Low-temperature hydraulic turbine closed type experimental system and test method

A technology of hydraulic turbine and experimental system, which is applied in the field of residual pressure recovery in the field of low-temperature liquefaction and low-temperature air separation, can solve the problem of not finding public information, and achieve the effects of low initial investment cost, easy implementation and wide application range.

Active Publication Date: 2014-01-15
开山(西安)透平机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in terms of domestic and foreign scope, no public information on this aspect has been found.

Method used

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  • Low-temperature hydraulic turbine closed type experimental system and test method

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Embodiment Construction

[0019] The present invention is described in further detail below in conjunction with accompanying drawing:

[0020] see figure 1 , the cryogenic hydraulic turbine closed experimental system of the present invention comprises a liquefied gas storage tank 1, a cryogenic pump 2, a vaporizer 3, an oil station 4, a hydraulic turbine 5 and a dynamometer 6; the liquefied gas storage tank 1 After the liquefied gas in the gas passes through the pipeline and the cryogenic pump 2 to increase the pressure, it enters the hydraulic turbine 5 through the pipeline all the way, and as the working medium of the hydraulic turbine 5 (Cryogenic Liquid Turbine), it is throttled down in the hydraulic turbine 5. The compressed liquefied gas returns to the liquefied gas storage tank 1 through the pipeline, and the other way enters the vaporizer 3 through the pipeline, where it is flashed into gas, and then introduced into the shaft seal seal chamber of the hydraulic turbine 5 through the pipeline, as...

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Abstract

The invention discloses a low-temperature hydraulic turbine closed type experimental system and a test method. Liquefied gas in a liquefied gas storage tank of the system passes through a pipeline, is pressurized by a low temperature pump, and enters a hydraulic turbine all the way through the pipeline. The liquefied gas throttled and decompressed in the hydraulic turbine returns to the liquefied gas storage tank through a pipeline, another path of liquefied gas enters a vaporizer and is led into a shaft seal cavity of the hydraulic turbine through a pipeline to serve as seal gas of the hydraulic turbine. The hydraulic turbine is connected with a dynamometer through a coupler, and an oil station is connected with the hydraulic turbine through an oil pipe.

Description

technical field [0001] The invention belongs to the technical field of residual pressure recovery in the fields of low-temperature liquefaction, low-temperature air separation, etc., and relates to an experimental system and a testing method, in particular to a closed-type low-temperature hydraulic turbine experimental system and testing method. Background technique [0002] The recovery of industrial waste energy in large energy-consuming devices is one of the key measures for energy conservation and emission reduction, and has great social and economic value. Cryogenic hydraulic turbine is a substitute for coke-soup liquid throttle valve in high-energy low-temperature circulation devices such as air separation and liquefied natural gas. It can effectively suppress vaporization and avoid cavitation while meeting the pressure reduction required by the process. The destruction and irreversible loss of high-pressure liquid energy, and the use of recovered high-pressure energy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 孙金菊王科宋鹏
Owner 开山(西安)透平机械有限公司
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