How to control the vibration of the water pump?
A. Install spring isolator:
a. Water pump spring vibration isolator style selection:
Generally choose self-propelled spring shock absorber, its advantages of simple structure, low cost; spring exposed, easy to observe the status of the spring at any time, for the spring to be replaced in advance to avoid excessive spring damage caused by the sudden settling of the pump caused by equipment Injury and tearing of pipes, etc.
b. Spring selection:
The springs used by general shock absorber manufacturers must meet the following requirements: The spring diameter should not be less than 0.8 times the height under the rated load; the spring must have a certain extra stroke; the vortex flowmeter should be at least equal to 50% of the rated static deflection; The horizontal stiffness is at least 100% of the straightness to ensure the stability of the shock absorber.
c. Selection of spring damper deflection;
Normally, the spring damper's rated deflection (the spring's rated compression) is usually 25 MM (from the frequency value of 3-4HZ). The deflection can be applied to the vibration isolation of a 650 rpm pump. When the rotation speed is lower than 650, a spring isolator with a deflection below 40 is recommended.
B. Install rubber isolator:
The choice of rubber isolators: The material is generally neoprene (CR), natural rubber (NR); generally used compression rubber shock absorbers, for lighter weight pumps, can choose shear rubber shock absorber;
Compared with the spring damper, the vibration isolation performance of the rubber shock absorber is relatively different.
C. retrofitted base:
In order to meet more stringent vibration standards, the use of spring isolators is undoubtedly the best choice when retrofitting the base.
The specification of the inert base: the weight of the base is about 1-2 times more than the weight of the water pump; the frame is made of slot iron and the height is not less than 1/12 of the length, but not less than 150mm, not more than 300mm; long The wide size should cover the entire pump and 10-15 cents on each side. It is also advisable to cover the area of ​​Bay Head; pour the cement and place a layer of reinforcement mesh at one third of the height; add a spring isolator to separate the base from the foundation to 3-5 cm.
Second, the water pump vibration control effect:
Based on the condition of the pump equipment, the above-mentioned method can achieve a vibration isolation effect of 85-99% or more, which fundamentally solves the problem that the vibration of the water pump brings people's lives and industrial production.
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