Chemical plant circulating water pump, pipes, machinery and equipment such as antifreeze protection measures are introduced

With the coming of winter, the temperature was gradually reduced, for chemical plant in all sorts of equipment, such as circulation pumps, pipes, machinery and equipment of antifreeze protection arrangement is necessary, so in the operation of the equipment and backup facilities protection should take what measures? How to protection? 1. Thermal insulation for workshop dead zones in the circulating water pipe; Discontinuation of circulating water pump, back measures is adopted, and put a net. Workshop stop using the equipment, such as water pump, circulating pump, cooler, condenser, etc. , to adopt measures such as water, regular inspection. Compressor cooling water, regular inspection by the operating personnel, ensure water valve will remain long drive. 2. To do a good job of personal protection, wear warm, device in the process of the patrol to do a good job of tower under the tower on the antiskid. The situation of pressure gauge in the frozen wall will appear illusion, according to the experience to judge. Cannot be determined to report in a timely manner for processing. Construction and living water, try to into the gutter or not affect traffic, ice to abort at any time. 3. Strengthen the good inspection to check the temperature of each point. Purging frozen wall pipe, the steam purging elbow. Pay attention to the strengthening of gas pipeline fluid, so as to avoid the liquid into the boiler. Check gas line to prevent caused by frozen crystal structure. 4. 26. Workshop outside adsorption tower, desulfurization tower, washing tower, gas-liquid separator drainage pipeline, using electric tracing band to prevent frostbite. Workshop internal water separator, cooler in a timely manner when parking line freeze protection net. 5. Pay attention to instrument the level of the top and bottom level gauge field Angle valves are a frozen wall will affect the real level, far eastone level gauge meter place appear frozen wall will influence the mechanical rotation, current conduction, influence real level. Strengthening dewatering work emptied out all the moisture to prevent frozen wall. 。 Water pipeline should avoid close to death, keep long stream. Circulating water of low temperature is not easy to control, can not be less than 8 degrees, below the octave, will cause the cooler line frozen blocking phenomenon, serious when frost crack pipes. 6. If liquid hydrocarbon pipelines in frozen wall, steam purge line, pay attention to the physical explosion, purging don't mandatory, to warm up slowly. 7. Strengthen the inspection tour dehydration, the equipment is low and pipe low check dehydration, cooling water pump can't interrupt, heating, heating unblocked, pressure gauge, liquid level gauge to check, steam and water hose connection, head, keep often take steam running water. 。 Switch valve can't hard switching, mobile plate fixed car, may not be enabled. Congelation of iron valves with warm water or a small amount of steam heating slowly, prevent damage of sudden heat. 8. Workshop outside adsorption tower, desulfurization tower, washing tower, gas-liquid separator drainage pipeline, using electric tracing band to prevent frostbite. Workshop internal water separator, cooler in a timely manner when parking line freeze protection net. 9. It is forbidden to use high pressure steam heating, keep a high pressure steam into the low pressure system. High and low pressure steam return pipe is allowed to collude with each other. Steam heating radiator pipe to set up the pressure reducing valve, pressure reducing valve with pressure gauge to check the qualified, radiator can be used only to try on steam leakage. 10. Workshop on the ground, platform, if, after spraying the water to clean up immediately, to prevent freezing. Workshop personnel in the platforms and stairs, improve safety consciousness and awareness. Indoor heating stops workshop in tap water, eye bath, fire safety facilities, such as using electric tracing antifreeze. 11. Joint should stop using the equipment, pipeline and production system with good blind plate, and the water discharge, purging and clean. Idle equipment and outdoor exposure equipment, prevent water iced snow bad equipment. Carry out inspection and barring outdoor equipment to increase the number. 12. All production and living and temporary stop equipment, water vapor pipeline, control valves have freeze protection measures, discharge clean water or to maintain a small long steam flow, transgressions, reached the requirements of antifreeze and saving, water stop after steam purging of the system must be clean.
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