Belt conveyor safety operation regulations

In order to ensure the reliable operation of the belt conveyor, the most important thing is to discover and eliminate possible faults in time. For this reason, the operator must observe the working conditions of the belt conveyor at any time, and deal with it in time if any abnormality is found. It is very important that mechanical workers should regularly inspect and inspect any conditions or parts that require attention. For example, an idler is not very important, but a high-speed conveyor belt that conveys worn materials may quickly wear through its shell, and a knife edge may appear. This knife edge may seriously damage an expensive conveyor belt. Trained workers or experienced staff can detect impending accidents in time and prevent them before they happen. The conveyor belt of the belt conveyor accounts for a considerable proportion of the overall conveyor cost. In order to reduce the cost of replacing and repairing the conveyor belt, it is necessary to pay attention to the training of operators and maintenance personnel on the operation and maintenance of the conveyor belt.1. The belt conveyor should be supervised by a designated personnel during the working process. The personnel must have general technical knowledge and be familiar with the performance of the conveyor.2. The company should formulate "equipment maintenance, overhaul, and safe operation procedures" for conveyors so that the guards can follow them. The guards must have a shift system.3. The feed to the belt conveyor should be uniform, and the feed funnel should not be filled with materials and overflow.4. During the working process of the conveyor, non-custodial personnel are not allowed to approach the machine, and no one is allowed to touch any rotating parts. When a fault occurs, the operation must be stopped immediately to eliminate the fault. If there are defects that are not easy to eliminate immediately but have no significant impact on the work, they should be recorded and eliminated when they are overhauled.5. When taking care of the conveyor, you should always observe the operation of each part, check the connecting bolts everywhere, and tighten them in time if they are loose. However, it is absolutely prohibited to clean and repair the moving parts of the conveyor when the conveyor is running.6. The screw tensioning device of the tail assembly should be adjusted appropriately to keep the conveyor belt with normal working tension. The personnel should always observe the working conditions of the conveyor belt. If the part is damaged, it should be decided whether to replace it immediately or to replace it when it is overhauled according to the degree of damage (whether it affects production). The removed conveyor belt should be used for other purposes depending on the degree of wear.7.  When taking care of the belt conveyor, it is necessary to observe its working status, clean, lubricate, check and adjust the spiral tension device and other sporadic tasks.8.  Under normal circumstances, the belt conveyor should be started when there is no load, and stopped after the material is unloaded.9.  In addition to maintaining normal lubrication and replacing individual damaged parts during operation, the conveyor must be overhauled every 6 months. During the overhaul, the defects in use and records must be eliminated, the damaged parts and the lubricating oil must be replaced.10.  The company can formulate the maintenance cycle according to the working conditions of the conveyor. SKE machinery is focusing on bulk material rubber belt conveyor handling products and solution, we will guide all our client for the regular maintenance for belt conveyor during its operation. Please kindly connect us for more information.

Nowadays, more and more belt conveyors are widely used in many different fields, not only Pursuing economy , but also the operators' safety has been paid more attention. And what should be noticed while operating a belt conveyor  or a conveyor system? SKE help you to know some Belt Conveyor Safety protection standards and general safety regulations.1, The conveyor should have sufficient stability and strength under normal working conditions.2,The design and installation of electrical devices must comply with the provisions of GB 4064 and GBJ 212.3, Without the consent of the design or manufacturing unit, the user should not make changes that affect the safety requirements of the original design, manufacture, and installation of the conveyor.4, The conveyor must be selected according to the characteristics of the material and the delivery volume. It must not be overloaded. It must prevent clogging and spillage and keep the transportation smooth.4.1 The conveyor belt should have a sufficient width suitable for the specific load and characteristics of the conveyed material;4.2 The inclination of the conveyor must be designed to prevent the material from slipping or rolling under normal working conditions;4.3 The conveyor should be equipped with a control device to ensure uniform feeding;4.4 The slope of the hopper or chute wall, the position and size of the discharge port must ensure that the material automatically flows out by its own gravity;4.5 The receiving point should be set in the horizontal section, and set the material guide plate. When the receiving point must be set at the inclined section, auxiliary loading facilities shall be provided;4.6 The vertical tensioning device section should be equipped with a blanking baffle; 1.4.7 The receiving point should take measures to reduce the impact force5, When conveying viscous materials, the surface of the drum and the belt surface of the return section should be equipped with appropriate cleaning devices. It is advisable to set up material blocking scrapers in front of the rollers at the rear of the inclined belt. Eliminate all hidden dangers that may cause the conveyor belt to deviate.6, The inclined conveyor shall be equipped with safety devices to prevent overspeed or reverse rotation. This device plays a protective role when the power is cut off or fails.7, The moving parts on the conveyor, whether manual or self-propelled, shall be equipped with limit devices after parking.8, It is strictly forbidden for people to cross over or pass under conveyors without special passages.9, When the conveyor crosses the worktable or above the channel, a protective device to prevent the material from falling should be installed.10, High-strength bolt connection must be handled according to the design technical requirements and tightened with special tools.While designing the belt conveyors or complete belt conveyor system, SKE will pay more attention to the protecting guards, our conveyor design can ensure the good operation quality and performance, and also ensure to protect the site operators or staff's safety. Contact SKE for more detail.

Before and during the operation of the tubular pipe belt conveyor, it must be inspected and monitored. During its operation, it is inspected twice a day, and detailed inspection is carried out at the unloading place. In order to prevent the conveyor belt from being jammed by the structural frame and the material guide groove, etc., causing damage to the conveyor belt and affecting the structural frame, the conveyor belt should be adjusted. Another purpose of adjusting the conveyor belt is to prevent the conveyed materials from leaking along the conveying line due to the incorrect overlapping position during the conveying process. The alignment and adaptation of the conveyor belt must be checked under no-load, half-load and full-load conditions. At the beginning of the adjustment and inspection, that is, when the conveyor is installed with the first conveyor belt and then replaced with a new conveyor belt, after all relevant components are completed, the conveyor must be started as a routine installation inspection. Start the conveyor without load and send someone to properly monitor the conveyor along the entire line.The adjustment of the conveyor belt is preferably carried out separately, so that on a longer conveyor line, the work of repeatedly adjusting the idlers can be omitted. In addition, the adjustment work should start from the rail pulley of the conveyor, along the feeding section, the bearing section to the head, so that the flat conveyor belt normally passes through the driving pulley, and then returns to the tail pulley through the tensioning device along the return section. In order to adjust the conveyor belt, there are two adjusting idlers on each idler panel installed with idler groups, which are located in the bearing section and the return section respectively. The adjustment idlers is usually located at the bottom of the hexagonal idler group opposite the overlap of the conveyor belt. When the conveyor passes through the horizontal bending section, the adjustment idler is usually skewed to the inside of the bending radius.When adjusting the conveyor belt, first confirm whether it is necessary to rotate the overlapping part of the conveyor belt clockwise or counterclockwise, so that the overlapping part is located at the top (bearing branch) or bottom (backward branch) of the polygonal idler set, and then determine which Which idlers at the idler panel need to be adjusted. After determining the roller frame to be adjusted, loosen its fixing nut to enable the roller frame to rotate. Then turn the idler frame to a correct direction. Take care to prevent excessive adjustment of the adjustment idler. The amount of adjustment should be smaller. Adjust 3 or 4 sets of adjacent adjustment idlers. Then observe for about 5 minutes to make this adjustment work and make further adjustments. Which idler has been adjusted should be marked on the idler panel for reference. Once the conveyor belt is running in the idler panel, it should be transported at half load, and then at full load test. After adjustment of the conveyor belt, all adjustment idler frames must be retightened.If it is found that the torsion of the conveyor belt has not been improved after adjusting a series of adjustment idlers, the adjusted adjustment idlers should be reset, and then the next series of adjustment idlers should be adjusted. In this way, an effective conveyor belt adjustment method can be obtained. Practice has shown that the diagonal idllers in the hexagonal roller set can not only support the load, but also adjust the operation of the conveyor belt by adjusting its forward tilt position, that is, it can be used to adjust the torsion of the conveyor belt, of course Will increase a certain power consumption. In the adjustment process of the conveyor belt, the methods of adjusting and adjusting the idler idller and the inclined idler  can be comprehensively used to obtain better results. Bending phenomenon often occurs in the curved section of the conveyor. On the one hand, the conveyor belt is deformed to increase the twisting and other unfavorable conditions. On the other hand, the running resistance and power consumption are increased. To this end, the guiding of the conveyor belt of the curved section is achieved. The horizontal idler and vertical idler in the picture can be adjusted to be inclined, just like the aforementioned adjustment idler, to correct the twist of the conveyor belt. The conveyor belt has the nature of running-in. After a period of running-in, it will show fixed running characteristics under certain specific constraints. As long as there is no major change in this specific constraint, the tubular belt conveyor will Maintain the existing operating state unchanged.

What should be done when installing the belt conveyor? The working principle of the belt conveyor is to use the open chute as a support for coal, vermiculite or materials, and fix the scraper on the chain (composing the scraper chain) as the traction member. When the head drive is started, the sprocket on the head shaft of the belt motor rotates, so that the scraper chain runs in a circular motion with the animal material shifting chute until it is unloaded at the top of the machine. The scraper chain runs around the sprocket for stepless closed loop operation to complete the conveying of materials. The installation of the belt conveyor requires the following:1. Positioning of the belt conveyor: First determine the position of the head and tail, and then determine the center line of the belt conveyor. Laying the middle trough: Lay the middle trough according to the determined conveyor centerline. If non-metal tanks are used, the middle tank is paved with bricks and prefabricated concrete slabs, and then cast stone linings are bonded. When laying the cast stone lining board, pay attention to straightness, as few seams as possible, and the longitudinal gaps should be staggered to prevent the gaps from being ground into grooves during work.2. The surface of the conveyor needs to be laid straight. If there is excessive bending in the plane of the conveyor, it will inevitably cause uneven force on the two chains, accelerate the wear between the chain and the cast stone on the groove wall, and even jam the chain. The overlap of each section of the tank body should be flat without steps. Due to the structural limitations of the slot body, the vertical deflection of adjacent intermediate slots should not be excessive. If the conveyor is not laid straight, the transportation power consumption will increase. Coal deposits or debris on the tunnel should be cleaned up.3. Install the nose and tail: The nose and tail should have a certain space to facilitate maintenance and repair. The centerline of the sprocket shall be perpendicular to the centerline of the conveyor and shall be horizontal. Installation of scraper chain: Before installing the scraper chain, the scraper chain should be connected in advance, and the scraper is evenly distributed in the chain. If it is two chains, choose the same length, or assemble the paired chains at the factory. The chain must not be twisted. The side of the circular chain welding seam is facing up to prevent the chain and the sprocket from being caught.

Do you know the steps and methods of correctly replacing the conveyor belt? The belt conveyor plays a significant role in today's fast-developing society. The industries involved include food light industry, logistics transportation, cement, mining, coal, etc Etc. However, as an indispensable part of the SKE belt conveyor, the conveyor belt needs to be replaced frequently. Some equipments are more convenient to replace, but some are more troublesome. The equipment is disassembled. Therefore, we must choose The actual situation of the equipment to buy open conveyor belt or endless belt.1. Turn off all power, remove the protective cover, loosen the mounting bolts of the motor, and then move the motor to make the conveyor belt loose, which is convenient for removing the damaged conveyor belt.2. If there is abnormal wear on the removed conveyor belt, it means that there is a problem with the transmission device, and then choose a suitable conveyor belt to be replaced.3. Check the protection devices such as anti-deviation, transmission protection, etc., if there are deviations, wear, etc., adjust and repair immediately4. Install the belt conveyor on the pulley, and then adjust the center distance of the transmission device, and test the conveyor belt to the proper tension with a tension meter; then tighten all the bolts of the motor, if it is tightened, it may cause the belt Performance of conveyors5. After the replacement is completed, run the belt conveyor to check the condition after the replacement. If there are noise and vibration, shut down immediately and check the motor and bearings.

Pulley is one of the critical components for belt conveyor, and the bearing is one of the most important part for pulley. In case there is some problem for bearing while operating the belt conveyor system, how to replace it? SKE will tell you the right operation.First, preparation beore operating(1) Accept the task;(2) Identify and evaluate risk sources, implement project safety technical measures, and confirm signatures;(3) Wear qualified labor protection articles and work with a certificate.Second, verify the spare partsCheck the specifications and technical parameters of the pulley bearings.Third, prepare tools and materialsPrepare wrenches, hand hammers and other tools and lifting appliances and materials, and transport them to the job site. The tools and lifting appliances are complete, applicable, intact, and complete.Safety Tips: The lifting equipment is integrated in the strong inspection, which complies with the standards.Fourth, apply for a power outage(1) A special person is responsible for applying to the central control room for power failure disposal of related equipment, and clarifying the maintenance content; (2) After the central control room confirms the power outage, it informs the power outage applicant for inspection.Five, electricity testOperation content: Check the power outage and confirm the power outage. After contacting the post operator for confirmation, jog the electricity.(Remarks: special environment, no detection of gas, coal dust concentration, prone to accidents.)Six, lockupLock the control of the power-off device. The lock is in right position and the key is kept by the locker.Seven, fixing veltThe special belt clamp clamps the lower belt and fastens and locates it. The lower belt is firmly fixed without movement.Safety Tip: Check explosion-proof coal dust concentration in explosion-proof area.Eight, loosen the tensioning device(1) Hang the tension weight; (2) Lift the weight; (3) Install the protection chain.Nine, remove the bearing seat(1) Hang the pulley; (2) Remove the bearing seat anchor bolts and place them in the designated position; (3) Remove the bearing seat end cap bolts and place them in the designated position; (4) Remove the bearing seat and place them in the designated position.Ten, remove the bearingRemove the shaft retainer and bearing and place it in the designated position.Eleven, clean-up&inspection(1) Clean the joint surface of the pulley bearing seat; (2) Clean and inspect the assembly position of the new bearing, the bearing seat and the shaft, and measure the assembly size.Twelve, install new bearings(1) Install the new bearing on the drum shaft and fill it with lubricant; (2) Install the shaft retaining spring.13、 Install the bearing seat(1) Install the bearing seat; (2) install the end cover of the bearing pedestal and fasten the bolts; (3) level and align the roller; (4) fasten the foundation bolts.14、 Remove the fixtureRemove the fixing belt clamp. The belt is not damaged.15、 Loosening tensioning device(1) Hang the tensioning counterweight; (2) dismantle the protective chain; (3) lower the counterweight.16、 Clean up the site(1) Check tools, materials and accessories; (2) clean up the sundries on site.17、 Apply for power transmission(1) The blackout person applies to the central control room for handling the power transmission formalities; (2)  Power delivers and the lock releases.18、 Commissioning and tracking(1) Inform the post operator to test; the roller operates stably without abnormal noise, and the temperature rise of bearing does not exceed 35 ℃; (2) operation tracking and recording.19、 Fill in the recordFill in record the maintenance contents.

Operators of mobile belt conveyors must be familiar with and abide by the operating regulations, and have the responsibility for the operation, maintenance and storage of the machine. SKE will show you how to operate the mobile belt conveyors:1.  Preparations before operation.1) All fasteners should be fastened reliably.2) Check the lubrication of each part.3) Clean up the remnants and stolen goods on the machine.4) No one or other equipment should be placed under the cantilever end of the mobile belt conveyor.5) Insufficient air pressure of the wheel tires should be inflated in time.6) If the ground is soft and the tail wheel sinks, a steel plate or wooden board should be placed under the wheel.7) The positioning pins of the lifting wheels of the movable belt conveyor should be inserted.2.  Operation and inspection after starting.1) Check according to various requirements during no-load test operation.2) The conveying operation can be started after qualified, and it should be evenly fed according to the rated conveying capacity. The material flow should be aligned with the center of the guide trough and the conveyor belt.It should not exceed 2 meters, and continuous conveying should be maintained as much as possible. There should be no dumping and accumulation of large amounts of materials and other conditions that affect the work of the conveyor.3.  Stop the feeding first, and then stop after the material is emptied on standby, cleaning and finishing.

Q:What are the installation and commissioning process instructions for mobile belt conveyor ？A:Installation and commissioning1. According to the dismantling and distribution of the mobile belt conveyor, the installation sequence in the using site is as follows:1) The front and rear frames are connected into a whole;2) Install electric drive conveyor pulley and electric control box;3) Install the tail wheels;4) Assemble the moving wheels and the lifting device first, and then assemble the assembly with the frame;5) Install each group of supporting idlers;6) Place the conveyor belt and make joints;7) Install spring cleaner and un-loading section cleaner(if there is);8) Install the material chute.3.Trial operation1) Preparation and inspection before trial operation,① All fasteners should be tightened and must not be loosened.② The insulation resistance between the stator windings of the motor and the frame in the electric pulley should be greater than 5 megohms, the grounding wire should be reliably grounded, and the lubricant should reach the height indicated by the oil level line.③ Return rollers, idlers, lifting devices, running wheels, tail wheels, etc. must not run without lubrication.④ There is no obvious obstacle when pulling the conveyor belt by hand.2) No-load trial run after turning on the power, the time shall not be less than two hours.3) During no-load trial operation, the following checks should be done:① Jog each button, the control should be effective. The running direction should be correct.②The temperature rising of the bearing is not more than 40 ℃, and the maximum temperature is not more than 80 ℃.③ The idler should be in contact with the conveyor belt, and it should rotate flexibly. If it does not rotate, tap the roller (axial) with a hammer by hand. If it still cannot be ruled out, it should be disassembled and inspected.④ The scraper of the cleaner, the rubber plate of the material guide groove and the conveyor belt are well attached.⑤ The conveyor belt is tight and suitable, and there is no deviation. If the conveyor belt deviates, it should be corrected according to the methods shown operation manual.⑥ The whole machine runs smoothly without obvious impact noise or excessive noise4) After no-load operation, check the following:① There should be no oil leakage in each lubrication point.② Each fastener must not be loose.③ There should be no obvious deformation of the entire structure, and the performance of each component should be good.5) Full-load trial operation can be carried out only after no-load trial operation is qualified. The procedures and inspection items are the same as above.

How to change / replace the drive pulley for belt conveyor?1. Preparation before operation(1) Accept the task;(2) Identify and evaluate the risk source, implement the project's technical safety measures, and sign for confirmation;(3) Wear qualified labor protection articles and work with a certificate.2. Verify the spare partsCheck the specifications and technical parameters of the drive pulley.3. Preparation of tools and materialsPrepare tools such as wrenches, hand hammers, lifting appliances and materials, and transport them to the job site. The tools and lifting appliances are complete, applicable and intact, and the materials are complete.safety warning:The lifting equipment meets the standards during the strong inspection period.4.  Power outage/cut-off application(1) A special person is responsible for applying to the centralized control room to handle the relevant equipment power failure formalities and clarify the maintenance content;(2) After the centralized control room confirms the power outage, notify the power outage applicant to check the electricity.5 ,Electricity testCheck the power outage and confirm the power outage. After contacting the post operator for confirmation, jog the electric test.safety warning:In special environments, gas and coal dust concentrations are not detected, which is prone to accidents.6. LockupLock the control of the power-off device. The lock is in right position and the key is kept by the locker.7. Fixing conveyor beltThe special belt clamp clamps the lower belt and fastens and locates it. The lower belt is firmly fixed without movement.safety warning:Check explosion-proof coal dust concentration in explosion-proof areas.8.  Loosen the tensioning device(1) Hanging tensioning weights;(2) Lifting counterweight;(3) Install a protection chain.9.  Separate the cleaner, Loosen the head beltUse special belt clamps to clamp the upper belt, separate the cleaner, and move the belt up to the head.10. Fixing conveyor beltThe special belt clamp clamps the lower belt and fastens and locates it. The lower belt is firmly fixed without movement.11. Remove the protective coverRemove the pulley guard and place it in the designated position.12. Remove the coupling connecting parts(1) Remove the fixing bolt of the elastic pin and place it in the designated position;(2) Remove the elastic pin and place it in the designated position.13.  Remove the drive Pulley (1) Hanging the pulley and hanging belt;(2) Remove the pulley anchor bolts;(3) Lift the pulley to the designated position.14.  Remove the coupling(1) Mark the installation position of the pulley coupling;(2) Remove the pulley coupling and place it in the designated position.15. Clean-up & inspection(1) Clean the bonding surface of the pulley;(2) Clean and inspect the assembly position of the new pulley and the coupling and measure the assembly size.16.Install the coupling17.install a new drive roller(1) Lift the new pulley to the installation position;(2) Level and locate the coupling;(3) Tighten the anchor bolts.18.Install the coupling connecting partsInstall the elastic pin and tighten the bolt.19 Install a protective cover20 Disassembly fixtureRemove the fixing belt clamp. No damage to the belt.21, Adjust the tensioning device(1) Remove the protection chain. Lay down on both sides at the same time;(2) Lower the weight. Adjust the counterweight to meet the operation requirements;(3) Reset the cleaner. The cleaner is in good contact with the tape.22. clean up the site(1) Inventory of tools, materials and accessories;(2) Clean up debris on site.23. Application for Power Transmission(1) Applies to the centralized control room for the power transmission formalities(2) Power transmitted, release the lock.24. Commissioning and tracking(1) Notify the operator for test; the pulley runs smoothly without abnormal noise, and the temperature rise of the bearing does not exceed 35 degrees Celsius;(2) Operation tracking and recording25. Fill in recordsFill record maintenance content.

 In the process of operation, improper operation will also seriously affect the work efficiency. The following points are about how to avoid or solve problems that occur during operating mobile belt conveyors;1. The accessories of the mobile belt conveyor should be installed on a solid foundation; the wheels should be wedged symmetrically before running. When working on multiple machines in parallel, a channel more than 1m should be left between each other. There should be no deposits that hinder work around the conveyor.2. Before starting, adjust the tightness of the conveyor belt, the buckle should be firm, the transmission components such as bearings, gears, chains should be in good position, the supporting idlers and protective devices should be complete, the electrical protection (zero or the grounding connection) should be in good position, the conveyor belt and roller width should be consistent.3. When the mobile belt conveyor is started before operation, it should be run without load. After the operation is normal, the material can be evenly loaded. Do not start after loading.4. When feeding, it should be aligned with the center of the conveyor belt and the height should be reduced to reduce the impact of the falling material on the conveyor belt and the idler. Feeding should be kept uniform.5. During operation, the running condition of the mobile belt conveyor should be observed at any time. When the conveyor belt is found to be loose or deviated, it should be stopped for adjustment.6. During operation, it is strictly forbidden for anyone to cross from below the conveyor belt and from above. When the conveyor belt is slipping, do not pull by hand. It is strictly forbidden to perform cleaning or maintenance operations during operation.

During the commissioning process of the tubular pipe belt conveyor, the head-to-tail transition section belt deflection and the intermediate load-bearing section return section distortion phenomenon are prone to occur. The specific solutions are as follows: When the head-to-tail transition section belt deflection is the same as the ordinary belt conveyor It is adjusted by adjusting the head and tail rollers and the supporting idlers. Drive section: The drive roller(pulley) must be installed in a straight line before starting. Adjusting the support idlers can precisely align the conveyor belt. The counter-clockwise rotation of the supporting idlers will cause the conveyor belt to shift to the left; therefore, the clockwise rotation of the supporting idlers will cause the conveyor belt to shift to the right;Tubular pipe belt conveyor return section: Before starting, the return roller (pulley) must be installed in a straight line. Adjusting the return section support idler can make the conveyor belt accurately aligned. The counterclockwise rotation of the return idler will cause the conveyor belt to shift to the left; therefore, the clockwise rotation of the return idler will cause the conveyor belt to shift to the right.When the belts in the middle section of the carrying section and the return section are twisted, the selection of the idlers to be adjusted should depend on the overlap position and the squeeze of the belt at each idler. The commissioning person specifies the idlers to be adjusted. There are two main adjustment methods:1. Cone block method. Loosen the nut of the PSK idler, insert the tapered horn between the SPK idler and the idler frame, and determine the position of the lifted idler according to the twist direction (clockwise or counterclockwise).2. Guide idler method. Adding to the fuselage section of the conveyor, the structure of this idler is similar to the guide idler that forms a tubular conveyor belt at the head and tail of the tubular tube belt conveyor. According to the twist direction, fix the installation direction and change the idler conveying direction.

Belt conveyors play an important role in the transportation of bulk materials in ports. There are two ways of loading and unloading transportation system : one is to unload coal from a truck then load it via a belt conveyor system; the other is to unload coal from a truck and It is stored in the yard by stacking conveyor, and then the coal is taken from the yard by the reclaimer and loaded by the belt conveyor.There are three ways to unload coal trucks. The materials unloaded in the three ways are directly or reproduced through a main belt conveyor with a bandwidth of 1800mm and  capacity of 3600t / h. The coal is piled into the coal yard by a stacker with a rotation radius of 30m.When loading the ship, coal is picked up by four bucket wheel reclaimers with a capacity of 3000t / h and a rotation radius of 45m. It is transported through two belt conveyors with a bandwidth of 2200mm with belt speed of 4.3m / s and capacity of 6000t / h. Ship loaders with a line capacity of 6000 t / h and a rotation radius of 33.5 to 49.5 m load coal into 100,000-ton or 25,000-ton coal hatches.The entire system consists of 25 belt conveyors. The conveyors are equipped with metal detectors and iron removers. Electronic scale is used to measure the instantaneous and cumulative conveying amount of materials on the conveyor belt. The electronic scale at the discharge end can send out sampling signals.The loading and unloading equipment is provided with a central control room, which uses centralized and automatic control to control and manage the entire system. The micro-controller is responsible for the control of the entire system. The console has manual control switches, automatic operation switches, on-site conversion operation switches, and the process is responsible for the entire system control. The console has manual control switches, automatic operation switches, on-site conversion operation switches, and process selection. Switches, various operation button indicator lights, alarm displays, etc. There are also synchronous display screens, industrial televisions, which can see the operation of the entire system loading and unloading equipment.Controls include: process control, degree control, synchronous multi-process control, stop and emergency stop control, collision protection control of movable equipment; sample preparation device, metal detection device, measurement device, start of dust removal device, etc. Control room display.

How to install a complete conveyor system, SKE advise you the safety specification while installing conveyors;The safety specifications of the conveyor system are as follows:(1) The equipment on the transmission line must be interlocked, and the interlocking device must not be changed or removed at will.(2) When multiple conveyors are used to transport materials or a certain process, a centralized control table should be set up.(3) The control of the conveying line must be able to ensure the accuracy and reliability of the conveying performance and movement. In case of emergency, the power must be quickly cut off and the conveyance is stopped safely.(4) The role of the center control table is to achieve control, hence the sound and light signals must be set to show the start and stop of a single machine and the action of the accident switch.5) The conveyors in the conveyor system should be started one by one along the material flow conveyance direction and stopped one by one along the material flow conveyance direction. If no leakage can be ensured, it can also start or brake at the same time.(6) The width of the aisle between the conveyors and the height of the escalator and the platform side guardrail shall comply with relevant standards.(7) The conveying capacity of the receiving conveyor on the conveying system must be greater than or equal to the conveying capacity of the feeding conveyor. During reversible conveyance, the conveying capacity of the receiving conveyor should be equal to the feeding conveyor, but while reversible conveying, the conveying capacity of the receiving conveyor should be twice that of the feed conveyor.(8) There must be one or more emergency stop switches or devices near the loading station at the reloading point. It is strictly prohibited to stack materials and other products.(9) When the conveyor is started by remote control, an acousto-optic signal must be set, and the signal indication should be within the operator's ability. (10) The conveying system should provide normal lighting or portable lighting. In case of working in explosive gases, dust or hazardous mixtures, safety lighting should be selected. (11) If the conveyor stops due to an accident, it should be checked in advance before restarting to check the cause of the shutdown and eliminate the fault in a timely manner.(12) Before the conveyor has been stopped for more than one month , all mechanical and electrical equipment must be tested and inspected by the mechanical and electrical technical supervisor before re-using it. Using the conveyor only after checking without any problems.(13) When the conveyor is running, it is not suitable to rest between aisles, near high-speed running parts or driving devices. (14) It is strictly forbidden to store flammable and explosive materials near the conveyor or the relevant operation room. (15) After the conveyor is installed, it is strictly forbidden to use lighter and welding machine frames. When there is a special need, necessary precautions should be taken. (16) In the running conveyor, if the conveyer is carrying a fire, it should be stopped before extinguishing the fire. If the idler is on fire, the fire should be extinguished first, and then the machine should be stopped.

Precautions for installation and commissioning1, Precautions during belt conveyor installation1). All rollers, idlers and driving devices shall rotate evenly and flexibly after installation;). During the test operation, if the belt deviates, adjust the mounting point or frame of E-pin to adjust the deviation;2, Test operation shall be carried out after installation1). Two hours of no-load and eight hours of load operation shall be carried out before putting into use.2).Check whether the arrangement of electrical signal and control device is correct；3). Start the motor to see whether the roller direction is correct, pay attention to the wiring of the control switch, and ensure that the belt conveyor is rotating forward；3,  Precautions during commissioning1). Check whether there is obvious noise in the operation of each fastener. 2). Check whether there is abnormal temperature rise of each bearing; 3). The rotation and fastening of the roller carrier;4). The control buttons of each electrical equipment shall be sensitive and reliable;