Xinhua reported.
Vietnam News Agency quoted An Huang Ling, Secretary of the Anping County Committee of the Communist Party of Vietnam, as saying that the accident occurred in a cement plant in the county. Workers were repairing the grinding equipment (or mill) in the afternoon when the equipment suddenly started, causing casualties. After the
accident, the relevant departments immediately rushed to the scene for investigation, and three of the injured were sent to the hospital. The cause of the accident is still under further investigation.
Cement production processes and procedures are complex and diverse, and the types of safety accidents in cement enterprises are diversified. Which links of cement plants are prone to safety accidents and how to prevent them? Collapse, fire, asphyxiation, poisoning, scalding, falling from height, vehicle injury, mechanical injury and other accidents often occur in the process of cleaning the cylindrical
cement silo, cleaning the blockage of the preheater, ignition and feeding of the pre-decomposition, maintenance of the mill and kiln system, and co-disposal of wastes. Coal mill system, fuel oil storage tank, denitrification system and other key areas in cement plants are prone to serious accidents such as fire and explosion.
Therefore, we must keep in mind the safety operation specifications of cement enterprises:
1. Before entering the production area or taking up the post, we must wear labor protection articles and dress neatly. It is strictly forbidden to enter the production post without wearing according to the regulations.
2、 should ensure adequate sleep time before going to work, have a good rest, concentrate on work, strictly prohibit going to work after drinking, and prohibit drinking before and during work.
3、 that there are dangerous areas such as downhill stairs, walking passages, maintenance platforms and high-altitude planes in this post, which must be clean and free of any sundries to prevent slipping and falling objects from injuring people.
4、, it is strictly prohibited to throw materials up and down from high places without permission. If it is really necessary to throw materials, it must be approved by the leader, set up roadblocks and partitions, hang reminders or warning signs at obvious places, assign special personnel to supervise, and ensure safety.
5、 must wear safety belts or protective ropes when working high above the ground, and hang them above the operators to ensure that they are solid and firm.
6、 personnel must be familiar with all kinds of signals such as equipment start-up warning, fault alarm, sound and light alarm, and take decisive measures in case of emergency. When operating in dangerous places such as warehouses, oil depots, oil tanks, pulverized coal silos and pulverized coal conveying pipelines,
7、 are strictly prohibited to smoke, scratch fire, and use electric and gas welding without permission, including the use of oil to clean the equipment. If it is necessary to use electric welding, it must be approved by the safety management personnel, go through the approval procedures for hot work, and take safety measures before operation. All personnel on duty at the
8、 must master the "three understandings and four skills". The "three understandings" refer to understanding the fire risk of the site, fire prevention measures and fire fighting methods. The "four skills" refer to being able to dial 119 alarm, use fire extinguishing equipment to fight the initial fire, organize personnel to evacuate safely, and carry out daily fire safety education. When the
9、 starts the equipment, the alarm bell must be started first according to the operating procedures, and the equipment can be operated only after confirming that the field personnel leave the equipment and there is no danger. The central control operator and the field personnel should do a good job of docking and confirmation. When maintaining or overhauling all the safety protection devices of the
10、, it must be ensured that they are reinstalled in place and kept in good condition; it is forbidden to dismantle or discard them without authorization.
The 11、 must not cross the various conveyor belts; it is forbidden to stand on the cutter cover, both stopped and running. It is strictly prohibited for the
12、 to stay in the lifting hole and under the lifting object; it is strictly prohibited to stand on the lifting object; it is strictly prohibited to lift the overweight object; it is strictly prohibited to command and operate against the rules. The
13、 must work out a plan in advance and take safety measures when cleaning the silos, warehouses and tanks. At least three people shall be responsible for cleaning the silos. Special personnel shall be responsible for on-site command, fastening safety belts or safety ropes, and taking preventive measures.
The 14、 shall be far away from the running parts of the equipment, and the equipment must be shut down for refueling, cleaning and handling hidden dangers at the rotating parts, especially for handling the adhesion of the belt roller or roller. The
15、 shall be shut down for maintenance, and the system of issuing invoices for power outage and power transmission shall be strictly implemented. The equipment with power outage shall be hung with warning signs such as "No Closing" and "Under Maintenance" on the control panel, and no one shall pick up or move them at will. On the electrical equipment and operation platform of the
16、, it is not allowed to place articles, sprinkle water or leak water at will; it is strictly prohibited to operate the electrical control buttons with wet or sweaty hands. In case of sudden electric shock at the
17、, the on-site personnel shall cut off the power supply with the pull rod as soon as possible, separate the electric shock victim from the power supply, and rescue him immediately.
The 18、 shall be far away from the high temperature points of the production post, especially the kiln head access door, observation hole and cold air valve. Pay attention to all warning signs and keep a safe distance to prevent scalding. When the
19、 is overhauled in the mill or container, it is necessary to hang a warning sign such as "Overhauling" at the entrance. No one is allowed to pick or move it at will to prevent misoperation. In case of inflammable, explosive, easily burned, highly toxic and other chemicals
20、, they shall be handled, stored and used correctly according to the safety operation rules, and the used articles shall be properly disposed of, and shall not be thrown or abandoned at will. The
21、 should hold the handrail when going up and down the stairs. It is forbidden to run or jump on the stairs or slide down the pole. In winter, when it snows or there are water marks, the snow on the road surface, platform, walkway and stairs should be cleaned up in time. The oil spilled during the maintenance of equipment should be cleaned up in time to prevent pedestrians from slipping. Hand-held lighting lamps used for on-site maintenance of
22、 must use safety portable lamps below 36 V, and lamps exceeding 36 V must be checked and wired by electricians, and all kinds of wiring must be done by electricians. When the
23、 is ignited or the kiln is dried, and when the pulverized coal is delivered for the first time, it is necessary to prevent people from being injured by backfire due to the intense combustion of the pulverized coal; when dealing with the blockage caused by skinning, it is necessary to wear fireproof clothes and masks, and it is forbidden to deal with it without any measures. When the
24、 inspects the pulverized coal bunker and coal bag dust collector, more than two persons must be arranged to prevent the failure of rescue after gas poisoning, and ventilation should be done in advance to ensure that there is enough oxygen.
25、, non-electricians are not allowed to tamper with electrical equipment, nor to disassemble and repair without permission.
26、 the fire extinguishers and fire-fighting appliances equipped for each post, and the post workers should do a good job of daily inspection and maintenance. The dry powder fire extinguisher is valid for one year, and should be replaced as soon as possible when it expires. When the
27、 roller mill is running, no one is allowed to walk back and forth under the mill, let alone work under the mill. When adding balls to the mill, there should be a person in charge to do a good job of safety supervision. No idle people are allowed to stand or intervene, so as to prevent the steel balls from splashing and injuring people. When using a ladder on a smooth and hard wall or ground
28、, at least two persons should cooperate to prevent the ladder from sliding and causing injury. If any potential safety hazard is found in the
29、 post, it shall be handled in time. If the post worker cannot solve the problem, he shall report to the department head immediately, formulate preventive measures and add warning signs until it is handled.
The 30、 shall strictly abide by the safety rules and regulations, strictly implement the safety operation rules and perform the duties of the post. All personnel of the
31、 have the right to refuse to execute the operation commanded against the rules.
