2016年10月24日星期一

How to say goodbye to the sewage pump jam

Sewage pump anti-clogging performance will be more and more important? That mainly comes from two aspects: one is increase the cost of sewage disposal. Industrial companies are working to reduce water consumption per unit product production, the solid material in the sewage and fiber content is higher and higher. 2 it is used more and more sewage pump the means of energy conservation, is the speed adjusting drive mode, and the speed adjusting is cannot guarantee sewage pump will be blocked.
Aiming at the problem of frequent clogging impurities machine pump impeller, equipment operation early every wall shall be clear, air is not for the night. Although this avoids the shutdown, but often remove the pump body, cause the machine components such as pump inlet ring wear at the same time each time the air cost a lot of manpower. In order to change this situation, adding of carbon steel in the pump inlet line resistance box, and 45. Tilt Angle. Used in the filter to filter impurities again, avoid congestion. Team fouling resistance for 1 ~ 3 times a month of sewage disposal.
This scheme received certain effect, human consumption. Fouling resistance department have a vent valve at the bottom, but there is still a corner. Part of the sewage and impurities in the corner after the accumulation, in cleaning up minor gas poisoning easy cause personnel injury, is not conducive to safe operation.
Sewage pump rotor blade shape can be divided into two kinds, respectively of swirling blade and cutting blade, the blade in the form of two kinds of the most widely used. Vortex flow impeller is not in the medium to be delivered, according to the principle of fluid dynamics to boot into the pump chamber, pumping medium by pumping medium flow from the impeller. In this way, by pumping liquid medium long fiber or solid material also be pumped out together. And cutting blade, can cut up larger block solid material, which is no longer blocked.
To ensure the safe operation of the key equipment
Catalyst of metering pump is mainly used for catalyst note, prompting oligomer in polycondensation reactor, the final polycondensation reactor in polycondensation reaction. Technological requirements of polyester catalysts must note by certain proportion, and stop on time can't more than 15 rain. Otherwise will reduce the melt viscosity, product quality, etc. In order to ensure the catalyst pump running smoothly, some guarantee measures must be taken.
Replace lubricating oil and wear parts on a regular basis
Catalyst metering pump inside the main moving parts are worm, worm wheel, slider, set new piston and so on. These parts to reduce wear and tear will directly lead to pump or not, the current solution is replaced periodically lubricant, wear parts, and regular cleaning of the hydraulic chamber.
Catalyst metering pump operating rules strictly
Catalyst metering pump start and stop should be used in strict accordance with the requirements of operation. At startup, zero output open pump, to pump discharge has a certain pressure before for voltage plate filling nitrogen. Avoid diaphragm deformation is caused by the nitrogen filling, prevent diaphragm rupture; Increase the pump output to slowly; When the pump is stopped, also should slowly reduce the output of the pump.
Strengthen the maintenance of the pump
During the running of pump in the regular inspection, the key to check the oil, machine oil pump sound, outlet pressure, nitrogen gas buffer tank pressure, etc. The diaphragm of the diaphragm pump body, nitrogen gas buffer tank on a regular basis for replacement, in order to effectively prevent damage of the pump at the same time cause catalyst note the happening of the accident.

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