Installation Requirements and Operation Method of Deep Well Submersible Pump

Deep well pump installation requirements, deep well pump operation method
(1) installation requirements for deep well pumps
① This provision applies to the installation of long shaft deep well pumps and submersible pumps.
② Deep well pump cleaning and inspection should meet the following requirements: parts and parts of all the mating surface (thread, stop, end, etc.) should be clean and clean; factory assembled parts should not be dismounted j working parts (rotating part) The rotation should be flexible.
③ before the pump in place should be the following checks: well pipe diameter and well pipe straightness should be consistent with the provisions of the equipment technical documents, pump sets of wells in the well part of the wells should be free up and down, submersible pumps shall not damage the diving cable; (Figure 2-1); between the well pipe and the foundation should be placed on the soft isolation layer; the middle of the middle of the middle of the size of the gap should be consistent with the requirements of the connection between the pump and pump seat ; Pipe should be no sludge and sludge; salt pipe should be straight, threaded and flange surface should be no bruises, and should be clean and clean.
Long shaft deep well pump should be checked according to the following requirements: the working parts should be flexible rotation, the impeller shaft axial flow should be consistent with the provisions of the equipment technical documents; pump drive shaft end should be flat, end and thread should be no damage, and Should be clean and clean, the drive shaft at both ends of the case of support, the central radial runout should not be greater than 0.2ram; bearing bearings and rubber bearings should be intact, rubber bearings should not be contaminated with grease.
(2) the operation of deep well pump
① The operator must master the general part of the operating procedures.
② open pump operation: deep well submersible pump should be opened before the start of the release valve, and then shut, start the outlet valve should not be closed, can be slightly open some, to be opened immediately after the start, control to the appropriate location, submersible pump running smoothly Open the pressure gauge valve; submersible pump operation, observe the ammeter and voltmeter instructions whether there is a significant change in the operation of whether the noise, the normal working current should not be greater than the motor nameplate on the specified rating; pump should be within the specified flow range Use, the pump flow must not be too large, too large or too small should be appropriate to adjust the opening of the outlet valve; one of the following circumstances should immediately stop running, the pump working state has not changed, the voltage rating and current exceeds the rated value , The pump intermittent water, the water pipe has a significant vibration, issued a loud noise, frequent switching switch protection.
③ stop the pump: stop the pump operation, close the outlet valve and pressure gauge valve; pump stop, in order to reduce the water back, should cut off the circuit, turn off the valve; if restart, after 5min or more get on.