1) Take fire prevention measures for the storage of activated carbon, and implement them in accordance with the relevant management regulations of dangerous goods.
2) The sewage treatment station shall not store sundries and various vehicles, indiscriminately connect power lines, and provide charging and maintenance for vehicles and high-power electrical equipment.
3) Water seals are set at the exhaust gas discharge ports of high-level sewage storage tanks that may produce CH4, H2S and other gases, and the setting of water seals is in accordance with relevant regulations.
4) The protective height of the grease trap should not be less than 400mm, and the grease trap should be provided with a cover plate of difficult-to-burn materialsThe joints between the manhole cover and the cover seat of the water seal well and the inspection well within 5m from the grease trap pool wall should be sealed, and the manhole cover shall not have holes.
5) Whether the metal devices on the structure (building) are treated with anti-corrosion according to the corrosion situation, and the anti-corrosion requirements of the pool such as the stock solution pool, the solution tank, the mud storage tank and the biochemical tank meet the specifications.
6) For the pipelines that transport liquid alkali, sodium hypochlorite, hydrochloric acid, waste water, and exhaust gas, pumps, fans and other conveying equipment in the plant area should be made of corrosion-resistant materials according to the characteristics of the materials.
7) The pool body of the sewage treatment tank adopts cast-in-place reinforced concrete structure, and the pool body should not be provided with expansion joints, and when it must be set, the structure should be tight to meet the requirements of anti-corrosion and deformation.
8) When liquid chlorine disinfection is used, the chlorine library shall be equipped with alarm devices and protective equipment;Formulate maintenance manuals and accident emergency plans and revise them regularlyThe acid and alkali pumps used for chemical cleaning in the chemical cleaning room are regularly inspected and maintained according to the requirements of equipment use.
9) The leakage of the above-ground open pipe and the pavement above the underground pipeline meet the safety management requirements.
10) The equipment is equipped with a static elimination device. Install fire and explosion-proof safety devices such as flame arresters, explosion-proof sheets, explosion-proof windows, fire-proof gates and safety valves for fire and explosion prevention of machinery and equipment.
Prevention and monitoring.
1) Whether the quantity and requirements of combustible gas alarms are set up in places where flammable and explosive gases are easily generated and gathered in sewage treatment facilities (fields and stations), and explosion-proof electrical equipment of sewage treatment systems meet the requirements.
2) The detection sequence of confined spaces includes oxygen content measurement, explosion measurement, toxic gas measurement, etc.
3) Automatic alarm devices and accident ventilation facilities shall be installed in workplaces where a large number of toxic substances or chemical substances that are prone to acute poisoning may suddenly escape, and the air inlet of the mechanical ventilation device shall be located in a place with clean outdoor air.
4) When the equipment is used in a high-quality gas environment, the main engine and accessories use explosion-proof equipment. When the equipment may produce ** gas when it is used, the fire prevention setting at the end (outside) of the exhaust hole (pipe) shall comply with the regulations.
Abnormal working conditions.
1) Regularly carry out effective testing and maintenance of the anaerobic system, if leakage is found, immediately stop the gas for repair, and carry out the air tightness test before the overhauled anaerobic reaction tank, pipeline and storage cabinet and other related facilities.
2) When entering the closed environment of the odor collection system for maintenance and maintenance, the ventilation situation and the safety of anti-virus operation should meet the relevant requirements.
3) When sewage treatment equipment and pipelines need to use open flames for maintenance and renovation, designate a special person to be responsible for taking various fire prevention measures and equip fire-fighting equipment.
4) Before the maintenance and repair of deep wells, pipelines, structures and other facilities and equipment that may contain toxic and harmful gases or flammable gases, there should be an on-site toxic and harmful gas detection certificate, and whether all personnel involved in the operation wear protective devices.
Disclaimer of Warranties
This article is based on:Environmental engineering water treatment.
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