How to install the supporting water pump in the clean room workshop? -common problem
How to install the supporting water pump in the clean room workshop?
Small integral centrifugal pumps are commonly used in air conditioning and cleaning systems for clean rooms as air cooling and heat treatment, heat and moisture exchange, chilled water, and cooling circulation; pump alignment includes centerline alignment, level alignment, and elevation alignment. After leveling, the anchor bolt holes and the foundation can be...
Text label: clean room installation, clean room supporting water pump, china net global purification
How to install the matching water pump in the clean room pharmaceutical cleanroom?
Small integral centrifugal pumps are commonly used in air conditioning and cleaning systems for clean rooms as air cooling and heat treatment, heat and moisture exchange, chilled water, and cooling circulation; pump alignment includes centerline alignment, level alignment, and elevation alignment. After leveling, pour cement mortar into the anchor bolt holes and the gap between the foundation and the pump base, and then tighten the anchor bolts after the cement mortar solidifies, and recheck the position and level of the pump to prevent the pump from being in the second place. movement during secondary grouting or tightening of anchor bolts. Most of the pumps used in clean room air-conditioning projects are shipped as a whole. The installation unit does not need to reassemble the various components of the pump body. If no abnormality is found through visual inspection, disassembly inspection is generally not required. The installation procedure of the whole pump: positioning, draw the center line of the pump on the pump foundation and the pump base surface; hoisting, use the lifting equipment to lift the pump as a whole, and place it on the pump foundation in a balanced manner; position adjustment.
When the pump is in place, put the anchor bolts and washer nuts on the pump base, and adjust the position of the base so that the center line of the base and the center line of the foundation can coincide; in order to ensure that the pump can absorb water at the allowable height When working inside, use a level or steel ruler to check the elevation of the center of the water pump shaft. When the driving shaft and the driven shaft are connected by a coupling, the different axial degrees of the two shafts and the gap between the end faces of the two halves of the coupling should comply with the technical documents of the equipment. It is stipulated that after the driving shaft and the driven shaft are aligned and connected, the crank should be turned to check whether the rotation is flexible. After the secondary grouting and pipeline configuration of the water pump, in order to avoid misalignment and inclination caused by carelessness during the secondary grouting or pipeline configuration, the pump should be checked for alignment again. Or the dislocation caused by the pipeline configuration, etc., should be adjusted again. When piping, the pipeline and the pump body must not be forcibly combined and connected, and the quality of the pipeline cannot be attached to the pump body; when the water pump suction pipe is installed improperly, it will have a great impact on the efficiency and power of the pump. When the water pump does not fill the water, the water pump cannot work normally. Therefore, when the diameter of the suction pipe of the water pump is changed, an eccentric head should be used to prevent the occurrence of air pockets, and the plane should be upward, and the sloped section should be downward; There should be a straight pipe section with a length of 2-3 times the diameter of the pipe diameter, avoiding direct installation of elbows, otherwise the flow velocity distribution at the water inlet of the pump will be uneven, which will easily reduce the flow. The suction pipe should be provided with a support; the suction pipe should Connect to the pump inlet with a continuous rising slope along the direction of the water flow, and the slope should not be less than 0.005 to prevent the accumulation of air in the suction pipe and affect the operation of the pump; the suction pipe section should be short, with fewer pipes and elbows, and strive to reduce the pressure loss of the pipeline. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.
After the installation of the clean room water pump, a trial operation should be carried out. First, start the water pump to check whether the water pump vibrates and whether the sound is abnormal. Then observe whether the current of the water pump is stable and normal when the water pump is started and running, and check whether the water pump is running. Whether the leakage of the packing seal is normal; the measuring point and measuring position of the effective value of the vibration speed should be in the parts with large vibration such as the bearing shell, casing, machine base, etc., and each measuring position should be in the axial, horizontal and vertical three For measurement in one direction, the effective value of the vibration velocity should be the maximum value of the reading in each measuring point; the vibration measurement instrument should generally use a vibrometer and supporting sensors, amplifiers or impedance converters.
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