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Gas-driven liquid pump

A gas-driven, liquid pump technology, used in pumps, pressure pumps, non-displacement pumps, etc., can solve the problems of many power equipment, high use and maintenance costs, complex pump structure, etc., to achieve low maintenance costs, stable operation, The effect of avoiding secondary pollution

Pending Publication Date: 2021-10-12
SINOPEC NANJING RES INST OF CHEM IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Chinese patent CN108591133B is a high-efficiency booster volumetric pump based on gas-liquid conversion, which solves the problems of pump body and component wear, but introduces air compressors, vacuum pumps and other components, making the pump complex in structure, with many power equipments, and costs for use and maintenance. high

Method used

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  • Gas-driven liquid pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] refer to figure 1 , open the top exhaust valve 2-2 of the liquid storage tank 2 to be transported, and vent the gas in the storage tank 2 of the liquid to be transported; put the liquid to be transported into the high level tank 3, open the high level tank connection valve 3-1, and the liquid to be transported enters the Transport liquid storage tank 2, close the connection valve 3-1 of the high level tank; high-pressure gas tank 1, input high-pressure gas through the lower valve 1-1 of the high-pressure gas tank, and then enter the liquid storage tank through the valve 1-2 connected with the liquid storage tank to be sent. In the liquid storage tank 2, the constant pressure is controlled by the pressure stabilizing valve, the discharge valve 2-1 at the bottom of the liquid storage tank 2 to be transported is opened, and the liquid to be transported is output at a constant pressure according to the valve-controlled flow rate.

Embodiment 2

[0027] refer to figure 1 , open the top exhaust valve 2-2 of the liquid storage tank 2 to be transported, and vent the gas in the storage tank 2 of the liquid to be transported; put the liquid to be transported into the high level tank 3, open the high level tank connection valve 3-1, and the liquid to be transported enters the Transport the liquid storage tank 2, close the connection valve 3-1 of the high level tank; the gas from the process gas pipeline enters the sent liquid storage tank 2 through the connection valve 1-2 of the process gas pipeline, and is controlled by the pressure stabilizing valve Constant pressure, open the discharge valve 2-1 at the bottom of the liquid storage tank 2 to be transported, and the liquid to be transported is output at a constant pressure according to the valve-controlled flow rate.

Embodiment 3

[0029] refer to figure 1 , open the top exhaust valve 2-2 of the transported liquid storage tank 2, and vent the gas in the transported liquid storage tank 2; the pipeline tap water enters the transported liquid storage tank through the opened valve (equivalent to the high-level tank connection valve 3-1 in the figure). Tank 2, close the valve (equivalent to the connection valve 3-1 of the high-level tank in the figure); high-pressure gas tank 1, input high-pressure gas through the lower valve 1-1 of the high-pressure gas tank, and then connect the valve 1- to the liquid storage tank through it 2 enters the transported liquid storage tank 2, controls the constant pressure through the pressure stabilizing valve, opens the bottom discharge valve 2-1 of the transported liquid storage tank 2, and the transported liquid is output at a constant pressure according to the valve-controlled flow rate.

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Abstract

The invention belongs to the field of fluid conveying pumps, and relates to a gas-driven liquid pump. The gas-driven liquid pump comprises a high-pressure gas source and a conveyed liquid storage tank; an exhaust valve is arranged at the top of the conveyed liquid storage tank; a discharge valve is arranged at the bottom of the conveyed liquid storage tank; and the conveyed liquid storage tank is connected with the high-pressure gas source through a pipeline and a valve. According to the invention, no direct electric power or internal combustion engine driving system is adopted, and thus, the gas-driven liquid pump is particularly suitable for conveying fluid and occasions with flammable and explosive gas or liquid in the using environment.

Description

technical field [0001] The invention belongs to the field of fluid conveying pumps, and in particular relates to a gas-driven liquid pump. Background technique [0002] Fluid transportation has a wide range of application requirements in industrial and agricultural production and daily life. Pumps are the core of fluid transportation. Traditional pumps mostly use power devices to drive impellers, blades, pistons, and gears to move relative to each other in the pump body to suck and discharge fluid. [0003] The pressure of the fluid conveyed by the traditional pump is unstable, and the main purpose is to adjust the flow. Mechanical relative motion wear will cause pollution to the transported liquid, such as secondary water supply for middle and high-rise residential properties, slurry transport in the food industry, etc. The fluid to be conveyed has strong acid, strong alkali, strong oxidizing and other corrosive fluids that are in direct contact with moving mechanical part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04F1/06
CPCF04F1/06
Inventor 吴结华袁浩然于杨孙远龙纪容昕
Owner SINOPEC NANJING RES INST OF CHEM IND CO LTD