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1. What are the tools for water pressure testing?
The core tools for water pressure testing include water pumps, pressure state base cover force gauges, flow meters, plugs, inclinometers, and water level measuring ropes, which together ensure the stability of the test sail force, accurate data, and reliable segment isolation.. 1. Pressure supply equipment: Water pumps provide stable water pressure and flow for testing. Centrifugal pumps are suitable for high flow and low pressure scenarios, while plunger pumps are used for high pressure requirements. 2. Parameter measurement tool: Pressure gauge monitors pressure values. Spring tube type is economical and practical, and digital type has higher accuracy; Flow measurement devices such as orifice flow meters or electromagnetic flow meters record the amount of water injected, with the latter having better accuracy and being unaffected by fluid properties; The water level measuring rope tracks the dynamic changes of the water level inside the borehole. 3. The drilling control device plugs and isolates the test section to prevent serial flow. The mechanical plug is sealed by a mechanical structure, and the hydraulic expansion type uses water pressure to achieve sealing; The borehole inclinometer detects the inclination and orientation of the borehole to ensure that the data is not affected by borehole deviation.
2. Why is the flow meter of the water pump not accurate?
1. Eddy current flowmeter should not have electromagnetic component chain problems, resulting in electrical signal errors.
2. If it is a Sun flow orifice flowmeter, it indicates poor water quality and corrosion of the orifice plate.
3. The higher the water pressure, th
1. Working principle of water meter The principle of water meter is very simple.
. When tap water flows into the pressure tank (or pump) from the inlet pipe, it flows through the check valve and one-way valve under the action of gravity and enters the flow meter before flowing into the outlet; At the same time, due to the higher density of water than air, the flow velocity increases under the push of water flow, forming a negative pressure difference, which breaks the static equilibrium flowing towards the outlet and generates a positive pressure difference, thereby causing the pointer to indicate the current water level value.Secondly, why does the water meter walk faster with higher water pressure?
1、 Because when the water pressure increases, the amount of water in the pipes increases.
2、 As the pressure increases, the diameter of the water pipe will decrease. This will lead to an increase in the speed of water flow.
3、 If the inner diameter of the pipeline remains unchanged, turning on the faucet too large will also accelerate the flow rate of water! Therefore, there will be a phenomenon of walking faster when the water pressure is high! 3、 How to avoid this situation from happening?
1、 Firstly, we need to check whether the valves at home are open or closed before using water; Secondly, we should promptly turn off the switch of the water heater after using it. This can effectively prevent unnecessary waste caused by forgetting to turn off the fire~
4. How to prevent this phenomenon from happening?
1、 Regularly clean the water supply pipeline at home: professional personnel can be hired to perform cleaning and maintenance
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