Analysis of the core principle of water hammer pump

A type of pump that uses a portion of the water pressure to rise to a certain height by utilizing the energy generated when the flowing water is suddenly braked. When the flow of water down the intake pipe to the vicinity of check valve A (deadweight load valve), the water impulse (enough impulse as long as the flow rate is large enough) causes the valve to close rapidly. Suddenly stop the flow of water flow kinetic energy is converted into pressure energy, so the pressure of the water pipe rises, the one-way valve B open, a part of the water into the air chamber and along the outlet pipe up to a certain height. Subsequently, due to the pressure in the inlet pipe is reduced, valve A automatically fall under the action of static weight, back to the open state. At the same time, compressed air in the air chamber causes valve B to close and the entire process is repeated. With a water hammer pump, about 15% of the water flowing in the inlet pipe can be pressurized to a height corresponding to a 5x inlet pipe drop. The efficiency of the water hammer pump η = ε · · · · · · · · · · · · · · · · · · · · · · · J Street Jiao 晡 股 ?? ?? ?? ?? ?? 股? Phenol 牍 ぷ 魉 洳 scandium 取 take: Mei is vice squint yarn 6%. Inlet pipe installation inclination in the range of 1: 9 to 1: 4, in order to make the best water flow braking. The water hammer pump has no moving working elements, has a simple structure, does not require an external power source, and requires no special attention. Pump design should consider the strength of pump components, to avoid the role of water hammer rupture.

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