Leaking corrosive liquids and gaseous media may cause different degrees of damage to the workers' limbs, clothing, and tools, and cause environmental pollution.
(1) Before the maintenance work, the process personnel must be contacted to remove the corrosive liquid and gaseous medium, set up, rinse, and pass the analysis, and go through the Operation Permit.
(2) The operating personnel should wear labor insurance products as required, and be familiar with the work content, especially the opinions signed by the relevant departments.
(3) In the low-lying area, there shall be no corrosive liquid accumulated in the site to prevent the person from slipping and hurting during operation.
(4) the working surface should be below the leg corrosive liquids, or personnel should contact erection scaffolding, to prevent residual liquid leaching physical injury, laundry, iron and the like but not to temporary expended.
(5) When working, wear rubber gloves, protective masks, rubber shoes and other special labor insurance products according to the specific conditions.
(6) When disassembling, the joint surface can be rinsed with clean water to reduce the corrosive effect of corrosive liquids and gaseous media.
(7) Limbs, clothing, tools, etc. exposed to corrosive media should be cleaned in time; if there is any discomfort, they should be treated promptly.
(8) After the completion of the operation, the net site of the work is cleared and the site is cleaned and sanitized.
When the equipment is overhauled, misoperation of the electric and steam sources may jeopardize the life and property safety of the maintenance personnel. When the equipment (or spare parts) is large (heavy), the safety measures may be improper and mechanical damage may occur.
(1) Before the maintenance work, the technician must be contacted to effectively isolate the system, and the flammable, explosive, toxic and harmful media in the fire maintenance equipment and pipelines should be drained, flushed and rejuvenated, and the analysis is reasonable. 》.
(2) When repairing the charged (steam) equipment, it is necessary to contact the relevant personnel and the team, cut off the electric (steam) source, and hang the signboard "No closing, some people working" on the switch box.
(3) The person in charge of the operation project shall implement the safety measures of the operation and handle the operation permit and approval; for the dangerous and large operation, the safety assessment shall be carried out together with the person in charge of the operation area to develop a safety operation plan.
(4) Operators should wear labor insurance products as required; familiar with the work content, especially the opinions signed by the relevant departments, must be carefully implemented before and during the operation.
(5) Disassembled parts and components shall be placed in a partition, and good protection shall be provided. Important parts or parts shall be assigned to watch on duty.
(6) When working with tools such as pneumatic, electric, hydraulic, etc., it is necessary to operate according to the "Safety Operation Instructions" and safely.
(7) Equipment (or spare parts) are large (heavy). When multiple types of work are required to work together, they must be unified and prohibited.
(8) Strengthen the management of oil substances, all waste oil should be poured into recycling bins.
(9) After the completion of the operation, the net site of the work is cleared and the site is cleaned and sanitized.
The working position is higher than the normal working position, and it is easy for people and things to fall and an accident occurs.
(1) The person in charge of the operation project shall arrange for the “Operation Permit†and “High Operation Permit†to be examined and approved according to the height of the operation; the person in charge of the production department where the operation is located shall sign the department's opinion.
(2) The person in charge of the operation project should check and implement the safety of scaffolding (ladders, hanging baskets), safety belts and ropes for high-altitude operations, and arrange the guardian at the job site; when necessary, set a warning line.
(3) The operating personnel should wear labor insurance products as required, and be familiar with the work contents, especially the opinions signed by the relevant departments; when using the safety belts, they should be carried out in accordance with the Regulations on the Use of Safety Belts; when working with ladders, follow the safety management of ladders. Regulations are enforced; when working with scaffolding, follow the “Safety Management Regulations for Scaffoldingâ€; when working in a basket or hanger, refer to the “Safety Management Regulations for Lifting Equipmentâ€.
(4) When working in a high place, it should not be moved up and down at the same time. In special cases, when vertical work must be carried out at the same time, it should be approved by the unit leader, and a special protective shed or other isolation measures should be set up.
(5) Avoid high-altitude operations at night. When high-level work must be carried out at night, it should be approved by the relevant department, and the person in charge of the operation should conduct risk assessment, develop safety measures, and ensure adequate lighting.
(6) In the event of severe weather, lightning, heavy rain, heavy fog, etc., which affects the visual and auditory conditions, or when there is no guarantee for personal safety, high-altitude operations are not allowed.
(7) During the operation of the high office, the safety guardian should always contact the high-level operation personnel, and must not engage in other work, and is not allowed to leave the job. When the production system has abnormal conditions, immediately notify the high-level operation personnel to stop the operation and evacuate. On-site; when there are major changes in operating conditions or operating environment, the "High Work Permit" must be re-applied.
(8) After the completion of the operation, the net site of the work is cleared and the site is cleaned and sanitized.
Heating, slag scattering, spark splash may cause burns, fires, explosions, arc radiation, electric shock, etc., and may also cause harm to the human body.
(1) Before the maintenance work, contact the craftsman to effectively isolate the system, and drain, flush and replace the flammable and explosive medium in the hot equipment and pipeline.
(2) After passing the analysis, handle the “Work Permit†and “Fire Work Permit†for approval; after sampling and analysis, no one shall change the process state; during the hot work, if it is interrupted for more than half an hour, it must be resampled. analysis.
(3) The Hot Work Permit is carried by the hot work personnel. All operators must be clear about the content of the work, especially the opinions signed by the relevant authorities.
(4) The operator must wear the labor insurance products as required, and hold the corresponding qualification certificate; before welding and cutting work, the surrounding combustible materials must be removed, the warning line should be set, the hanging mark should be clearly marked, and the range of the fire should not be expanded without authorization.
(5) There should be a guardian for the hot work, and a fire extinguisher should be provided; during the operation, irrelevant personnel are prohibited from entering the hot fire site. In the Class A fire-fighting area, the project leader shall notify the professional firefighters in advance to assist the guardian in accordance with the regulations.
(6) When performing electric welding work, check the joints and the lines are intact to prevent electric leakage and accidents.
(7) During gas welding operation, the distance between the oxygen cylinder and the acetylene cylinder should be kept above 5m, and the distance between the cylinder and the fire point should be kept above 10m, and the air pipe should be inspected intact.
(8) When welding and cutting in high places, it is necessary to place the fire basin to prevent sparks from splashing. At the same time, all the combustibles below should be removed, and the trenches, wells, cables, etc. should be covered.
(9) When the flammable gas is not pressurized, it is necessary to have an operation plan and implement safety measures. At the same time, the pressure inside the equipment shall not be less than 0.98kpa, and shall not exceed 1.5691mpa to ensure that no negative pressure will be formed; the oxygen content in the equipment shall not exceed 0.5%. Otherwise, no hot work should be carried out.
(10) When the operator leaves the fire site, the power supply used in the construction shall be cut off and the remaining fire source shall be extinguished without any hidden danger.
(11) After the completion of the operation, the net site of the work is cleared and the site is cleaned and sanitized.
There are hidden dangers such as lack of oxygen, high temperature, toxic and harmful, flammable and explosive gas in the confined space. Safety measures are not in place, and it is prone to burning and explosion, which may cause accidents such as casualties.
(1) Contact the craftsman to cut off the power supply connected to the outside of the equipment, and take the locking measures to add the warning sign; effectively isolate all equipment and pipelines connected to the limited space or container.
(2) After the confined space is discharged, isolated (blind plate), cleaned, replaced, ventilated, and sampled and analyzed, the operator shall handle the “Operation Permit†and “Entry for Confined Space Operation†and grading approval. No one shall change the state of the process after passing the sampling analysis.
(3) Prepare emergency relief supplies, including safety belts, safety ropes, long tube masks, safety voltage lighting up to 24V, protection against electric shock (leakage), and communication tools.
(4) The guardian should wear the labor insurance products as required, and choose the location of the safety guardian; during the monitoring process, contact the operator frequently, and immediately notify the operator to interrupt the operation and evacuate the dangerous area. At the same time, you must pay attention to your own protection.
(5) Workers should wear protective equipment as required. For the first time to enter the confined space, you must wear a gas mask (long tube or air respirator), you must wear a seat belt and a safety rope; be familiar with the work content, especially the opinions signed by the relevant departments; the confined space operators implement the shift system, on time Change shifts and evacuate to rest outside.
(6) After the cover is removed from the confined space, roadblocks, fences, lights, etc. must be installed to avoid accidents.
(7) If you enter a confined space, you must analyze it online. If there is any abnormality, you should evacuate it in time.
(8) After the completion of the operation, the net site of the work is cleared and the site is cleaned and sanitized.
During electrical maintenance work, there may be electric shock hazard, arc hazard or accident caused by sparks caused by short circuit, causing the human body to suffer from electric shock, arc caused by burns, arc caused by explosion shock and other injuries. In addition, electrical accidents can also cause fires, explosions, and equipment blackouts.
(1) Before the maintenance work, contact the operation personnel to cut off the power supply connected to the equipment, and take the locking measures, and hang the signs on the switch box or the main gate to avoid the “No closing, some people working†sign.
(2) All work on or near live equipment requires the operation permit and the License Management Procedure.
(3) The operator should wear labor insurance products as required (in accordance with the “personal protective equipment requirements for work at the substationâ€), and be familiar with the work content, especially the opinions signed by the operating personnel.
(4) Electrical work can only be completed by qualified personnel, and must be carried out by more than 2 people, one of them should be supervised.
(5) The electrical guardian must undergo professional training, obtain the qualification certificate, be qualified to cut off the power of the equipment, and activate the alarm signal; prevent unrelated personnel from entering dangerous areas during operation; no other work tasks should be performed.
(6) In maintenance and troubleshooting, no one may change or adjust the settings of the protection and automatic devices without authorization.
(7) Analysis and prevention of arc hazard. For equipment with energy greater than 5.016 J/m2, arc hazard analysis must be performed to ensure safe and effective operation.
(8) For processes or systems that are prone to static electricity during maintenance, electrostatic hazard analysis should be performed and appropriate measures and procedures should be developed to prevent electrostatic hazards.
(9) Metal ladders, chairs, stools, etc. cannot be used in electrical work.
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