Industry News

Belt conveyor line safety requirements

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Update time : 2022-11-24 17:01:22
Conveyor line safety requirements stipulated in Belt Conveyor Safety Code are as follows:
(1) When multiple conveyors are used to jointly transport materials or a certain process, a central console should be set up for centralized control;
(2) The control of the conveyor line must ensure that the transmission performance and action are accurate and reliable, in case of emergency can quickly cut off the power supply and stop safely;
(3) In order to achieve accurate control, the central console must be equipped with devices that can display the start and stop of single machine and the operation of the accident switch by acoustic and optical signals;
(4) The conveyor in the conveyor line should follow the reverse material flow conveying direction to start machine by machine, along the material flow conveying direction delay machine by machine stop, on the premise of ensuring no overflow, also allowed to start or brake at the same time;
(5) The equipment in the conveyor line must be interlocked. When a conveyor fails to stop, the conveyor upstream of its material flow should stop immediately. The interlocking device is strictly prohibited to change or remove at will;
(6) The conveyor line or the conveyor used in the narrow and not open areas should be set up along the emergency pull wire switch;
(7) The conveying capacity of the receiving conveyor in the conveyor line must be greater than or equal to the conveying capacity of the feeding conveyor. The conveying capacity of the receiving conveyor and the feeding conveyor should be equal in the reversible conveying, but the conveying capacity of the receiving conveyor should be twice that of the feeding conveyor in the reverse conveying of load;
(8) There must be one or more emergency stop switches or devices near the operation position of the loading station at the transfer point, and stacking materials and other products is strictly prohibited;
(9) When remotely starting the conveyor, the sound and optical signal must be set, and the signal indication should be located in the location accessible to the sight and hearing of the operator;
(10) The conveyor line should be equipped with normal lighting and portable lighting. In the explosive gas, dust or dangerous mixture working environment, should choose safety lamps lighting;
(11) The conveyor stopped because of an accident, should be checked in advance before restarting, and find out the cause of the stop troubleshooting;
(12) Before the conveyor is stopped for more than one month and used again, all the mechanical and electrical equipment must be tested and checked by the competent mechanical and electrical technical supervision personnel, and can only be used after confirming that it is normal;
(13) Monitoring and protection devices should be installed in the conveyor line:
1) Limit protection device to prevent material blockage and overflow;
2) Speed protection device to protect the safe start and operation of conveyor;
3) Protection device to prevent reverse and overspeed of inclined conveyor;
4) Instantaneous tension detector should be installed in the automatic control conveyor line with dynamic tensioning device;
5) Protection devices should be set on the long-distance conveyor to prevent longitudinal tearing of the conveyor belt;
6) It is advisable to set up a device to prevent the conveyor belt from running off;
7) It is advisable to set the conveyor belt initial damage detector;
8) A monitoring device should be installed to prevent the conveyor belt from slipping on the driving drum;
9) In open air or coastal areas where there is a risk of high wind of level 6 or above, the conveyor used should be equipped with protection to prevent the conveyor belt from overturning
The device.
(14) The minimum width of the passageway between conveyors and the height of the protective railings on the side of the escalator and platform shall comply with the provisions of relevant standards;
(15) When the conveyor is running, it is not suitable to rest and stay between channels, near high-speed running parts or driving devices;
(16) The accumulation of inflammable and explosive materials and all oil and coal powder is strictly prohibited beside the conveyor or the relevant working room;
(17) Under normal circumstances, it is not allowed to use fire and electric welding to process the frame after the conveyor is installed with the conveyor belt, and necessary preventive measures should be taken in case of special needs;
(18) In operation, if the conveyor belt is on fire, it should first stop the machine and then extinguish the fire; if the idler is on fire, it should first extinguish the fire and then stop the machine.
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