Electric diaphragm pump industry market development trend forecast

the role of electric diaphragm pump way only when choosing pneumatic actuators, the role of way through positive and negative effect and positive effect of the valve actuator portfolio formation. There are four that are positive (combination Gas closed type) , positive and negative, Gas type) And anyway, Gas type) And reflect ( Gas closed type) , through the role of the diaphragm water pump the combination form four ways have both on and off. For the choice of the ways of DBY electric diaphragm pump function, mainly from three aspects: a) Process safety; b） The characteristics of medium; c) Electric diaphragm pump quality, economic loss is minimal. Electric diaphragm pump is a new type of pump, in recent years, due to the diaphragm material is made breakthrough progress, to application in petrochemical, ceramics, metallurgy and other industries, is characterized by without irrigation water diversion, electric diaphragm pump self-priming capacity of more than 7 meters. Particles under 10 mm in diameter, mud, etc all can easily pass. Electric diaphragm pump engine temperature is too high to how to solve: electric diaphragm pump engine temperature is too high the reason 1, leaking or insufficient cooling water cooling system; 2, water temperature table indicate no or failure; 3, the cooling system scale is too much, poor cooling effect; 4, radiator cover or radiator core ventilation is sundry jam, cause bad heat dissipation; 5, water pump, fan belt is too loose or broken; 6, water pump damage, fan blades installed backwards or deformation, damage of solar or lunar halo; 7, thermostat damage in the main valve closed position; 8, engine overload operation and delivery time is too late for a long time. Electric diaphragm pump engine temperature method when the engine work in the water temperature is too high, the fault should be paid attention to observe failure phenomenon, find out the reason to be ruled out. First to check whether the water thermometer is failure, if not or failure should be replaced; Then check whether water tank water inlet pipe, the radiator if leaks, in addition to the direct observation from outside, empathic method may also be used to check the leaking area. Radiator leaking soldering repair parts available, such as a discharge pipe burst on heavier, two head can be flat plug. Work found slight leakage, usable soap block, after waiting for parking, repair. Were it not for these reasons, should further check for cracks, motor shell resistance hydrosphere is damaged, also want to check whether the electric diaphragm water pump drainage hole is leaking. Final inspection radiator cover whether the exhaust valve failure, such as loss effect change. Without cooling water leakage problem, should be two cases to analyze fault excluded. 1, the sudden water temperature is too high. First check whether the radiator is overheating, if the radiator temperature is too high, cylinder pad broken to pieces, the attention to check whether the body on the plane with the cylinder head surface serious buckling deformation, deformation if should be timely repair. Such as radiator temperature is not high, the cooling water circulation, should check whether the fan belt is broken or serious skid. If normal, check whether the radiator outlet pipe sucked flat, inner hole with and without clogging, find out the reason to be excluded, emergency way is to put in the absorption of flat tube appropriate spring support. Check the thermostat expansion tube is broken, broken should be replaced. Such as the thermostat is normal, then electric diaphragm pump is damaged, should be carefully check water pump repair. 2, the sudden water temperature is too high. For high temperature phenomenon not suddenly appear, should increase the engine speed observe whether water mouth water, at the same time pay attention to is a large or a small amount of water. Like a lot of water, uneven and radiator temperature, explain some of the cooling pipe stuck, more attention should be paid to in cold winter. When adding water mouth, a small amount of double water after and before the engine temperature is low, suggests that water pipe is damaged or blocked, it should be replaced in a timely manner. Were it not for these reasons, may be excessive cooling system scale, channel not free. Such as water mouth don't turn over the water, the cooling system to cope with appearance and carefully analysis the mechanical parts of the engine. Should first check whether the shutters closed or open degree of insufficient fan operation is normal, if everything is normal, the engine is overheating, should check the fan air volume. Such as air flow is insufficient, should adjust the Angle of the fan blade, and the blade head bending or appropriate transformation fan blades. In the cooling system under normal circumstances, the engine is overheating, should consider to use reasons. All in all, there are many reasons for the electric diaphragm pump engine overheating, according to the specific circumstances flexible use of the above method to check out. Electric diaphragm pump flow characteristic of choice by theoretical calculation, but the method and equation are very complicated. Currently use experience more standard, concrete from the aspects to consider: (1) from the control system of regulating quality analysis and choice; (2) from the process piping is considered; (3) from the change of the load analysis. Choose good electric diaphragm pump flow characteristic, can according to the traffic characteristics determine the shape and structure of the valve core, but for like a diaphragm valve, high vacuum butterfly valve and so on, due to their structural characteristics, can not change the surface shape of valve core to achieve the required flow characteristic, at this time, but by changing the feedback of the valve positioner CAM contour.

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