Fire protection measures for electrical machinery and equipm
TIME: 2019-06-19
Electrical machinery fire is generally caused by the insulation aging of electrical machinery equipment, loose joints, overload or short circuit and other factors leading to overheating. Especially in flammable and explosive places, the above - mentioned electrical machinery line hidden danger damage is greater. It is necessary to adopt fire prevention measures in order to prevent fire accidents of electrical machinery.
(1) often check the operation of electrical mechanical equipment, check whether the joint is loose, whether there is any spark, electrical mechanical equipment overload, short circuit protection equipment performance is reliable, equipment insulation is outstanding.
(2) reasonable selection of electrical and mechanical equipment. In places with inflammable and explosive articles, explosion-proof electrical appliances should be used when using electrical and mechanical equipment. Insulated wires are necessary to be sealed and laid in steel pipes. Electrical equipment should be selected according to the grade of explosion risk site.
(3) stick to safe equipment location. It is one of the important measures for electrical machinery fire prevention to insist on the necessary safe distance. In order to prevent electrical and mechanical sparks and risk high temperature fire, where sparks and risk high temperature electrical and mechanical equipment around should not pile flammable and explosive articles.
(4) maintain normal operation of electrical and mechanical equipment. The sparks and high temperature during the operation of electrical machinery and equipment are the important causes of fire. In order to control excessive working sparks and risk high temperature and ensure the normal operation of electrical machinery and equipment, it shall be operated, protected and maintained by trained and qualified personnel.
(5) ventilation. Electrical machinery and equipment operating in inflammable and explosive risk areas shall have excellent ventilation to reduce the concentration of explosive mixtures. The ventilation system shall meet the relevant requirements.
(6) grounding. The grounding requirement in inflammable and explosive places is higher than that in general places. No matter how high or low the voltage is, normal non-live equipment should be firmly grounded according to relevant regulations.