Triangular flash circulating system and method thereof

A circulation system and flash evaporation technology, which is applied in the direction of steam engine devices, intermeshing engines, machines/engines, etc., can solve the problems of thermal energy to be improved, and achieve the effect of improving waste heat utilization efficiency, making full use of waste heat resources

Inactive Publication Date: 2010-10-27
江西华电电力有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whether it is a single-cycle system or a double-cycle system, the recovery and utilization efficiency of heat energy needs to be improved. Therefore, it is urgent to invent a screw expansion power machine system that can improve the efficiency of heat energy recovery and utilization.

Method used

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  • Triangular flash circulating system and method thereof
  • Triangular flash circulating system and method thereof
  • Triangular flash circulating system and method thereof

Examples

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Effect test

Embodiment 1

[0028] See figure 1 , which is a schematic structural diagram of a triangular flash cycle system in Example 1 of the present invention.

[0029] The triangular flash cycle system provided in this embodiment includes a decompression mechanism, an evaporator 3, a first screw expansion power machine 10, and a condenser 12, and the evaporator 3, a decompression mechanism, the first screw expansion power machine 10, and a condenser 12 pass through The pipelines are connected in sequence to form a working medium circulation passage S2, the evaporator 3 is provided with a heating passage S1 for heating the working medium in the working medium circulation passage S2, and the condenser 12 is provided with a cooling passage S3 for cooling the working medium in the working medium circulation passage S2 .

Embodiment 2

[0031] In the triangular flash cycle system provided in this embodiment, the heating path S1 includes a heat source body 1, a second screw expansion power machine 8, and an evaporator 3, and the heat source body 1, the second screw expansion power machine 8, and the evaporator 3 are formed by sequentially connecting through pipelines The heating passage; the working fluid circulation passage S2 includes the evaporator 3 in the heating passage S1, the decompression mechanism (not shown in the figure), the first screw expansion power machine 10, the condenser 12, the evaporator 3, the decompression mechanism, the first The screw expansion power machine 10 and the condenser 12 are sequentially connected by pipelines to form a working medium circulation passage S2; the condenser 12 is provided with a cooling passage S3 for cooling the working medium circulating in the working medium circulation passage S2; the cooling passage S3 includes a cold water source body 14. The cold water ...

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Abstract

The invention discloses a triangular flash circulating system, wherein, an evaporator, a decompression mechanism, a first screw expansion power machine and a condenser are sequentially connected together through a pipeline to form a working medium circulating passage; the evaporator is equipped with a heating passage for heating the working medium in the working medium circulating passage; and the condenser is equipped with a cooling passage for cooling the working medium in the working medium circulating passage. In addition, the invention further provides a triangular flash circulating method, comprising the following steps: A. heating the working medium in the working medium circulating passage through the heating passage; B. decompressing the heated working medium so that the working medium reaches a flash critical state; C. allowing the working medium in the flash critical state to enter the screw expansion power machine for flash work; and D. cooling the working medium flowing out of the screw expansion power machine through the cooling passage, and then repeatedly operating the above steps. The triangular flash circulating system and the method thereof provided by the invention can fully utilize residual heat resources and improve residual heat utilization ratio.

Description

technical field [0001] The invention relates to the field of expansion power machine systems, in particular to a triangular flash cycle system and method. Background technique [0002] The screw expansion power machine mainly uses industrial power sources such as steam, hot water, hot liquid or vapor-liquid two-phase fluid to convert heat energy into power, drive generators to generate electricity, or directly drive fans, water pumps, compressors, mixers, mills, etc. Mechanical equipment such as coal machines and pulverizers can replace electric motors, or replace the expansion valves of large refrigerators to recover power. The screw expansion power machine includes two (female and male) screw rotors, casings, bearings and sealing devices. When working, the medium of the heat source body first enters the tooth groove of the screw in the machine, and drives the screw to rotate. With the rotation of the screw, the volume increases continuously. . [0003] At present, my co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01K11/00F01C1/16F01C13/00
Inventor 胡达胡亮光罗欣
Owner 江西华电电力有限责任公司
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