Horizontal method to the sad alkali pump installation, a picture is solved

Horizontal centrifugal pump acid alkali pump belongs to a kind of centrifugal pump, usually do not have self-priming function, acid alkali pump installation, for installation of low level for many users the inconvenience, so how will pump will not install line, below the liquid level installation method of application of acid alkali pump a figure solution; A, basic coordinates, elevation, size, reserved holes should meet the design requirements. Based on the surface of flat, concrete strength meet the requirements of equipment installation. 1, alkali pump foundation surface and the anchor bolt hole in the greasy dirt, gravel, clay, water and so on should be cleared; Thread the embedded anchor bolts and nuts should be well protected; Place mat iron parts surface should be cut flat. 2, acid alkali pump base plane size, without base isolation when installation should be a pump around the 100 ~ 150 mm wide; Vibration isolation when installation should have a water pump vibration isolation base all around the 150 mm wide. Base at the top level, no vibration isolation when installation should be completed in a higher pump room ground surface above 100 mm, have complete isolation when installed above the pump room ground surface above 50 mm, and not to form water. Infrastructure surrounding the periphery set drainage, easy to repair the drainage or exclude leaking accident. Second, the centrifugal pump in place, place the centrifugal pump on the basis, the centrifugal pump with shim is leveling. Centrifugal pump is installed the same set of shim should be spot-welded together, in order to avoid stress when is loose. Water pump alignment after leveling, mount anchor bolt, screw should be vertical, screw the leakage length appropriate for 1/2 the diameter of the screw. Secondary grouting bolt, the strength of the concrete should be higher than the base level 1 ~ 2, and no less than C25; Grouting should be compacted, should make the anchor bolt tilting and not affect the installation precision of pump unit. Horizontal vibration isolation measures of the pump unit is in the reinforced concrete base or steel base, the installation of rubber shock absorber ( Mat) Or spring shock absorbers. Three, alkali pump and motor in place. In place before the motor if you need for a core pulling test, should guarantee don't knock against the motor rotor and the stator winding of enameled wire. Check whether there is any foreign body on the stator slot; Sweep test rotor and stator gap even, do you have any waist phenomenon; The motor bearings are in good condition. Change the lubricating oil. Water pump for cleaning, need to collapse. Need to be detected when the bearing shell form, bearing clearance, avoid loose or holding shaft occurred. Base of the pump and motor coupling, with key and axes required to install a right. Can use square or level measurement. Ready to put in place. Four, check the pump oil cup and refueling, disc coupling, pump turning should be flexible, no abnormal phenomenon. After the inspection qualified, open the water valve, water pump exhaust valve, make the pump filled with water, the water pump outlet pipe on the valve closed. at first, for exception, whether to conform to the requirements of the pump to the motor. Then start the pump, slowly open the valve outlet pipe, check the workings of the water pump, motor and the bearing temperature, pressure and vacuum gauge pointer value, the pipe connection situation, should be normal and comply with the design requirements.
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