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Recovering device for liquid pressure energy based on piston type liquid switcher

A liquid switcher and liquid pressure technology, which is applied in the direction of osmosis/dialysis water/sewage treatment, seawater treatment, reverse osmosis, etc., can solve the problems of short service life and harsh valve requirements, and achieve convenient operation, low pressure loss, and power little effect

Active Publication Date: 2014-12-24
BEIJING UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a new type of liquid pressure energy recovery device based on a piston type liquid switcher, aiming to break through the foreign blockade of cutting-edge technology of such devices, and overcome the shortcomings of traditional positive displacement devices such as strict requirements on valves and short service life.

Method used

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  • Recovering device for liquid pressure energy based on piston type liquid switcher
  • Recovering device for liquid pressure energy based on piston type liquid switcher
  • Recovering device for liquid pressure energy based on piston type liquid switcher

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following examples.

[0032] figure 1 is the front view of the cylinder, figure 2 It is a side view of the cylinder body, and there are seven holes in the cylindrical cavity of the cylinder body, including a drive shaft installation hole, two high-pressure liquid pipe connection holes, two low-pressure liquid pipe connection holes and two connection pipe groups connection hole. The drive shaft mounting hole is located at the center of one end face, and the other holes are distributed on the circumferential surface of the cylinder cavity 1 . The central connection line between the first connection hole 2 of the high-pressure liquid pipe and the second connection hole 3 of the high-pressure liquid pipe, the central connection line between the first connection hole 4 of the low-pressure liquid pipe...

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Abstract

The invention discloses a recovering device for liquid pressure energy based on a piston type liquid switcher and belongs to the technical field of pressure energy recovery. The recovering device comprises a liquid switcher A, a liquid switcher B and a pipeline for connecting the two liquid switchers; each liquid switcher consists of a cylinder body and a special piston; a main part of each cylinder body is cylindrical cavity; six connecting holes are formed in each cylinder body; four arc-shaped grooves are formed in each special piston. The recovering device disclosed by the invention has the advantages of simple structure and easiness for processing and sealing; no complex pressure exchange equipment is required, so that the pressure loss is low and the mixing amount is low.

Description

technical field [0001] The device of the present invention is an energy recovery device which realizes the recovery of residual pressure energy of high-pressure liquid by completing the switching process of high and low pressure liquid through short-stroke piston movement, and belongs to the technical field of pressure energy recovery. The device can be used in reverse osmosis seawater desalination, petroleum, chemical and other fields to efficiently recover the pressure energy of high-pressure liquids such as concentrated brine, copper ammonia liquid, and liquid ammonia, and achieve energy saving effects by reducing power consumption. Background technique [0002] In many petrochemical, seawater desalination and other production processes, there are many processes that involve high-pressure liquids through pressure reducing valves to reduce the pressure to the required low pressure, or the liquid that needs to be discharged still has a high pressure. In these decompression a...

Claims

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Application Information

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IPC IPC(8): C02F1/44B01D61/06C02F103/08
Inventor 刘中良刘宁李艳霞
Owner BEIJING UNIV OF TECH
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