Washing powder processing needs to take good precautions

Sodium alkylbenzene sulfonate washing powder is made of chemical industrial raw materials such as petroleum, chlorine, benzene, sulfuric acid, caustic soda, etc., through chemical synthesis of monomers, and then under certain conditions, the monomers are mixed with additives such as sodium tripolyphosphate, sodium sulfate, etc. , a synthetic detergent made by spray drying in a high tower. Next, let’s briefly explain the precautions that need to be taken in washing powder processing: the raw materials used in the washing powder processing process, the intermediates produced, and semi-finished products. Finished products and waste gas, waste residue. Most of the wastewater is flammable, explosive, and highly corrosive dangerous goods, such as petroleum, benzene, sulfuric acid, caustic soda, alkylbenzene, chlorine, aluminum trichloride, mud foot, hydrogen chloride, etc. , taking measures to prevent fire and explosion. (1) Fire hazard characteristics of washing powder processing The fire hazard of synthetic washing powder can be analyzed from four aspects. A. From the perspective of raw material properties, raw materials. Most of the intermediate products and finished products are dangerous items with combustion, explosion and strong corrosion, and the fire hazard characteristics of the main raw materials. When the equipment system is not tight and there is leakage, the flammable gas and air in these substances will form an explosive mixture. When encountering mechanical sparks and static sparks generated by high heat, impact or friction during production, open flames for heating or maintenance, Immediately burn or explode. B. From the perspective of reflection and operating conditions, some reactions are exothermic, such as chlorine, condensation, sulfonation, and neutralization. Some work at high temperature, such as debenzene, deoiling, mud foot treatment, powder spraying molding. Some work under pressure, some work under high temperature and pressure, if the instrument fails during the production process. Improper temperature control and pressure control, wrong feeding, or interruption of cooling and stirring due to water and power outages, may lead to explosion of organisms and fire of punching materials. The material will ignite spontaneously when it is flushed out and meets air. In addition, the high temperature exceeding the spontaneous ignition point can cause the material to carbonize and coke in the equipment system. Or when the barrel is blocked and decoked, it encounters air spontaneous combustion, reaction and operating conditions, C. From the point of view of the ignition source, in addition to the power box maintenance and fire, there are many heating sources in production, usually steam and induction heating methods, induction heating Heating sometimes due to poor sealing, poor insulation, damp and electricity leakage, resulting in inter-turn short circuit, which can also cause leakage of combustibles to catch fire, such as inductive heating of deoiling towers. D. From the point of view of the production site, the chlorination, condensation, deoiling, debenzene, and sludge treatment processes in the production of alkylbenzene. Sulfonation, neutralization, pretreatment, air delivery, tower bottom, oil shed process, and liquefied raw material storage area in washing powder processing are prone to fire and explosion accidents. The above production sites are Class A fire hazards and must be done well. Precautions, because these parts are both combustible. Explosive medium, heat source, and power supply, as long as internal and external fire elements combine and interact, combustion or explosion will occur, affecting the entire production, so these parts are not only the key points of production, but also the focus of protection. (2) Fireproof and explosion-proof measures for washing powder Washing powder processing is composed of a main workshop synthesis workshop and a molding workshop. According to the degree of fire hazard, chlorination, condensation, and deoiling are carried out. Debenzene. deal with. Sulfonation, neutralization and other processes, oil sheds. 'Liquid raw material warehouses belong to Class A fire hazard, and other production parts belong to Class C.' Class A production areas should be fire-free, Class C is production areas, and fireworks are prohibited in all production areas. Their fire prevention measures are mainly reflected in buildings. equipment. Operations and management. The above is the introduction of precautionary measures for washing powder processing. Welcome to inquire: https://www.jingliang-pod.com/
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