Water ring vacuum pump exhaust - detonating preventive measures

when we use the water ring vacuum pump, will meet exhaust explosion phenomenon. How can we prevent it?

a. Filtering

water ring vacuum pump suction process, a small amount of some materials and the residual liquid will be suction pump valve plate, at the same time some lubricating oil will be attached on the pump valve plate. These substances at high temperature for a long time to form carbide carbon sediment. Under certain conditions, combustible gas mixture is easy to cause explosion, explosion released out through the exhaust pipe, forming explosion.

solution: it can be installed on the gas pipeline to pump filter unit, to filter dust or residual liquid, and can be regular cleaning filter facilities, to ensure that the device performance. At the same time, we should safeguard the pump body, and clean valve plate in a timely manner. Practice has proved that the work shall be once every 3 months.

2. Cooling

shenzhen water ring vacuum water pump piston within the cylinder reciprocating motion, pump through high temperature, provide conditions for carbide material, cause an accident.

solution: start the pump before, require operators to open the pump cooling system, and ensure that the system of in and out of the water clear. High temperature caused by not open cooling water water pump through the main cause of the accident is operator responsibility is not enough, violation of operating procedures and negligence.

three, washing buffer

equipment before adding water and buffer tank, which can effectively eliminate the residual liquid suction, also have certain cooling effect to air mixture.

in the practical work, often appear the following two phenomena:

first of all, when the amount of residual liquid tank, a small amount of material liquid will be sucked into the pump body, material liquid at high temperature carbonization.

second, when residual liquid is larger, if not timely discharge, water ring vacuum pump is likely to be inhaled material liquid and washing pump, causing large equipment accident.

the solution: in the process of production, workers should have strong sense of responsibility, residual liquid in time, avoid the accident.

4, exhaust pipe blockage or open to prevent

the exhaust pipe blockage or congestion causes gas mixture containing methanol steam not discharge in time and accumulated to a certain extent, resulting in strong leakage, explosion, and even explode. The causes of this phenomenon are many, may be due to the design defects, lead to the exhaust pipe position is relatively low, the tube water or oil, or due to some man-made or natural factors, for example, the valve open or not fully open, the rain cover collapse, leading to poor exhaust, etc.

solution: in the design of vacuum pump, the main exhaust pipe of the position and related accessories design is more important.

the other is control of exhaust gas. Strengthen exhaust control is a very important safety technical measures. Vacuum pump discharge of tail gas is mainly contains a lot of methanol steam mixed gas. According to the physical and chemical properties and working practice of poisoning, first in the buffer tank before installing a set or more sets of condensing unit ( General use - 10 ℃ ice salt water) For condensate gas mixture; Second, condensing devices are installed on the exhaust gas main pipe also, to condensing exhaust, which would reduce concentration of exhaust gas of methanol steam below the lower explosive limit, to protect the environment. However, it is necessary in the process of condensation condensation water flow is controlled properly. If the traffic is too small, could easily lead to the cooling effect is not good. If the traffic is too big, due to the cooling is too strong, easy to cause blockage, affect the vacuum effect.

the above is to prevent the medical water ring vacuum water pump exhaust explosion method. At ordinary times, we should improve safety consciousness, the standard equipment operation. In order to prevent vacuum pump exhaust gas explosion, we may, in accordance with the above methods to prevention, so that we can obtain good effect.

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