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Speed-type expander and organic Rankine circulation power generation system

An expander, speed technology, applied in the direction of machine/engine, non-variable-capacity engine, mechanical equipment, etc., can solve the problems of large gas flow energy loss and the impact of expander efficiency.

Pending Publication Date: 2019-02-19
HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a speed type expander and an organic Rankine cycle power generation system, which solves or partially solves the problem in the prior art that in the speed type expander turbine, the flow energy loss of the gas is large and seriously affects the efficiency of the expander technical problem

Method used

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  • Speed-type expander and organic Rankine circulation power generation system

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Embodiment Construction

[0020] see figure 1 , A speed expander provided by an embodiment of the present invention includes: an outer cylinder body 1 , an inner cylinder body 2 , a first steam pipeline 3 , a second steam pipeline 4 and a transmission shaft 5 .

[0021] The inner cylinder body 2 is arranged in the outer cylinder body 1, and N steam conduits 6 are arranged along the radial direction of the inner cylinder body 2, and the N steam conduits 6 communicate with the inner cylinder body 2, N≥2.

[0022] The end of the steam conduit 6 away from the inner cylinder 2 is provided with a nozzle 7 , and the opening direction of the nozzle 7 is consistent with the tangential direction of the inner cylinder 2 .

[0023] The first end of the inner cylinder body 2 communicates with the first end of the second steam pipeline 4 , and the second end of the inner cylinder body 2 is connected with the first end of the transmission shaft 5 .

[0024] The second end of the second steam pipe 4 rotatably passes ...

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Abstract

The invention discloses a speed-type expander and an organic Rankine circulation power generation system, and belongs to the technical field of organic Rankine circulation power generation. The speed-type expander comprises an inner cylinder which is arranged in an outer cylinder; N steam guide pipes are arranged on the inner cylinder in the radial direction and communicate with the inner cylinder, and N is greater than or equal to 2; the end part, which is far away from the inner cylinder, of each steam guide pipe is provided with a nozzle of which the opening direction is consistent with thetangent direction of the inner cylinder; the first end of the inner cylinder communicates with the first end of a second steam pipeline; the second end of the inner cylinder is connected to the firstend of a transmission shaft; the second end of the second steam pipeline rotatably penetrates through the outer cylinder to communicate with a first steam pipeline; and the second end of the transmission shaft rotatably penetrates through the outer cylinder. By adopting the speed-type expander and the organic Rankine circulation power generation system, the efficiency of the expander is improved.

Description

technical field [0001] The invention relates to the technical field of organic Rankine cycle power generation, in particular to a speed expander and an organic Rankine cycle power generation system. Background technique [0002] The organic Rankine cycle power generation system is similar to the ordinary steam Rankine cycle system. The main difference is that the organic Rankine cycle system uses low boiling point and low critical point organic matter as the working medium, and can efficiently utilize low-grade steam between 100°C and 350°C Thermal energy, such as solar energy, geothermal energy, and low-temperature waste heat; therefore, the organic Rankine cycle has a very high utilization rate for renewable energy. [0003] The organic Rankine cycle system is mainly composed of four parts: heater, expander, condenser and working medium pump. The low-temperature and low-pressure liquid organic working medium enters the heater to absorb heat through the compression of the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D1/32F01D1/34F01D25/00
CPCF01D1/32F01D1/34F01D25/00
Inventor 张仰凯乔凤林钟建张佩佩王景帅
Owner HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL