News about the reason why sewage pump equipment does not produce water

The news of the pump manufacturer on the reason why the sewage pump equipment does not discharge water The reason why the sewage pump equipment does not discharge water The sewage promotion pump does not discharge water, and there is air in the inlet pipe and the pump body. How to express the technical level of the product? Answer: The isg type single-stage single-suction vertical centrifugal is designed and manufactured using iso88 international standards and j/t89 national standards. It is a hydraulic model for the most advanced predecessors of domestic water experts. It was developed with the assistance of experts from Shenyang Water Research Institute. The level of craftsmanship is leading domestically and has reached the technological level of similar products abroad at the end of 80 years. But sometimes in order to achieve the required displacement of the pump, the driving pressure needs to be set a little higher. (1 Check the tightness of each adjoining place. Which department group does the isg type have? What is the sequence of disassembly and assembly? Answer: It consists of the motor, shaft, impeller, body, water retaining ring, end cover, bleed plug, and pressure Plug, machinery, flat construction, impeller nut, drain plug set. Before the sewage pump equipment is started, enough water is not filled, sometimes it seems that the filled water has overflowed from the vent hole, but the pump shaft is not moved to completely discharge the air, causing a little Air remains in the inlet pipe or pump body. Therefore, any method of flow velocity inside the gate is used to obtain the economic flow velocity vpu003d .m, and the solution of suction δh: δh. The response method: a. Adjust the flow rate and close the small valve., What is the external installation size? How to classify it? Answer: Mainly refers to the flange diameter, center hole distance, number of bolts, size, and foot outline size and foot screw hole size and hole distance. With pump equipment The horizontal section of the water inlet pipe that is in contact with the reverse flow standard should be used with a descending gradient of more than 0.5%, and the end adjacent to the inlet of the pump equipment is the highest, not completely horizontal. 8. ηu003d0.6 The flange selection is generally based on Caliber classification. Suitable for transporting oil and flammable and explosive liquids in oil depots, oil refineries, chemical industries and other industries. The temperature is below ℃, and the medium density is plkg/. Anything refers to the parameter value specified on the product catalog sample. Single suction multi-stage: For multiple impellers, the first impeller has a suction inlet, the first impeller row chamber is the second impeller suction inlet, and so on. Note: The caliber should be /h according to type is, and the caliber should be /h flow. The reason why the sewage water pump equipment does not produce water, the suction stroke is too large. Some water sources are deeper, and the outer terrain of some water sources is relatively flat, and the permitted suction stroke of the pump equipment is ignored, which will result in less water absorption or no water absorption at all. pa. If the suction pressure is greater than pa and the selected 8m Yang is selected, the system pressure will exceed. d. Open the upper cover or open the exhaust valve to exhaust the air. This is correct in most situations . Possible reasons: a. The flow rate is too large and the operation is overloaded. e. The motor is overloaded and running with a fever. How many common centrifugals are there? Answer: is type, type, a type, sh type (double suction), d type, l type, tswa type, h type mixed flow, corrosion resistance, f type, f type, fs type, y type, yw type diving, fy oil. In terms: is type centrifugal uses asbestos, leakage is serious, while isg type uses machinery , No leakage. The weird structure does not even need to remove the system, it can be overhauled as long as the cover nut is removed, and the overhaul is extremely convenient. Commonly used installation methods? Vertical and horizontal (high-voltage submersible pump and high-voltage submersible electric idea power supply The voltage is 3000v, 6000v or higher. The power is generally 300~400kw and above, up to 3000kw or more, such as qksc type mines, high-pressure submersible pumps for wells, water-filled high-pressure submersible devices for yqsg wells Excellent). Water pump manufactureru003c/pu003e
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