Type D horizontal sectional multi-stage centrifugal pump installation sequence and structure diagram

To master the correct installation sequence, can better use the horizontal multistage pump, therefore understanding the sectional multi-stage centrifugal water pump is necessary to correct installation order. Order to regulate the management, ensure the quality, improve efficiency, to D, DG, DF, MD, sectional multi-stage pump installation, such as the following procedures:

a, horizontal sectional multi-stage centrifugal pump the preparing work before installation:

1, ready to install the tools and lifting equipment;

2, check each part of the pump unit ever loose and damaged in transit;

3, check whether base level.

horizontal sectional multi-stage centrifugal pump installation diagram:

2, horizontal sectional multi-stage centrifugal pump installation order:

1, when the horizontal multistage pump transportation to the site, the pump and motor has been with the calibration. A flat base without having to remove the pump and motor, installation is convenient;

2, base on the base, wedge iron is placed near the base screw, flat, base 20 ~ 40 mm, is used for filling slurry;

3, use level to check the height of the base, water base mud filling after leveling, and check again after the cement dry water level;

4, when the unit power is larger, pump, motor and the base can be individually packaged with convenient transportation. At this point, the user need to install and calibrate the pump unit. Method is as follows:

a, remove the base, pump base and motor base plane support on dirt, and put the pump and motor in the base;

b, adjust the height of the pump shaft. After leveling, the pump with bolt fixed on the base in order to prevent the mobile;

c, filed a motor to match the pump coupling and motor shaft coupling, and then cut motor pedestal on the corresponding position;

d, adjust the clearance between the two coupling to about 5 mm, and correction of the axis of the motor shaft and pump shaft axis is coincidence. Method is to put the ruler on the coupling of two coupling diameter should be such as to the feet. Flat, if not, adjust the relative position of motor or pump, or use a thin iron adjust pad

e, in order to check the installation precision, the clearance between the two coupling surface thickness gauge should be used in coupling measure several different positions on the circumference of a circle. Coupling in the plane of the difference between the maximum and minimum clearance shall not exceed 0. 3 mm。 At the ends of the bottom, left, and the difference between the center line of the right should not exceed 0. 1 mm。

5, when a device without the base, the need to install directly. This method is similar to 4, but should pay more attention to correction.

3, horizontal sectional multi-stage centrifugal pump installation note:

1, the installation shall not carry on horizontal multistage pump pipe, otherwise the pump will be damaged.

2, installation must tighten the anchor bolts, and check the equipment, in order to prevent the loose time interval, in order to avoid strong vibration of the pump to run impact on the performance of the pump;

3, before installing the water pump, please check carefully if there are any hard objects ( Such as stones, iron ore, etc. ) Affect the operation of the pump in the pump flow, in order to avoid damage when operating flow components;

4, for the convenience of maintenance and use of safety, shall be installed on the inlet and outlet pipe of pump control valve, and pressure gauge installed in the water pump inlet and outlet flange. For high lift pump, to prevent water hammer, install a check valve in front of the exit gate, in an effort to combat sudden power outages and other power loss of the accident, at the best possible conditions to ensure the pump running, prolong the service life of pump;

5, when the pump used to pump should be equipped with a bottom valve, inlet piping should not have too much bending, there should be no leakage or leakage, in order to avoid the influence on the performance of the pump suction;

6, in order to prevent impurities into the pump. Stop the wheel impact performance, shall be installed in front of the pump inlet filter;

7, before installing the pipe rotating rotor pump parts. There should be no friction or stuck. Otherwise, should remove the pump for inspection.

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