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Component separation type ORC coupling VCR system based on mixed working medium

A mixed working medium and separation technology, which is applied in cold treatment separation, refrigeration components, sustainable manufacturing/processing, etc., can solve the problems of system integration and efficiency, and achieve high efficiency

Active Publication Date: 2022-04-26
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a component-separated ORC coupling VCR system based on mixed working fluid to solve the system integration and efficiency existing in the traditional ORC coupling VCR system Difficult to balance

Method used

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  • Component separation type ORC coupling VCR system based on mixed working medium
  • Component separation type ORC coupling VCR system based on mixed working medium
  • Component separation type ORC coupling VCR system based on mixed working medium

Examples

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Effect test

no. 1 example

[0060] As shown in Figure 2(a), the component separation and condensation unit 3 adopts a liquid separation and condensation component separation method, including a high-temperature condenser 301, a gas-liquid separator 302, and a low-temperature condenser 303;

[0061] Wherein the high-temperature condenser 301 and the low-temperature condenser 303 are both heat exchange units;

[0062] The high-temperature condenser 301 includes a high-temperature condenser heat source input end, a high-temperature condenser heat source output end, a high-temperature condenser working fluid input end, and a high-temperature condenser working fluid output end;

[0063] The gas-liquid separator 302 includes a gas-liquid separator working medium input end, a gas-liquid separator gas working medium output end, and a gas-liquid separator liquid working medium output end;

[0064] The low temperature condenser 303 includes a low temperature condenser heat source input end, a low temperature conde...

no. 2 example

[0070] As shown in FIG. 2( a ), the component separation and condensation unit 3 adopts a rectification component separation method and includes a rectification tower 304 .

[0071] In the present invention, in the component separation and condensation unit 3, the working fluid passes through the high-temperature condenser to condense 301 into the set dryness and enters the gas-liquid separator 302, and the gas-liquid is separated into two streams with different components in the gas-liquid separator 302. The fluid and the saturated liquid enter the organic Rankine cycle system, and the saturated vapor enters the low-temperature condenser 303 to condense into a saturated liquid state, and then enters the vapor compression refrigeration cycle system;

[0072] The working medium entering the organic Rankine cycle system passes through the working medium pump 4 and then pressurized into the steam generator 1 to be heated into steam, and enters the expander 2 to expand and perform ...

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Abstract

The invention discloses a component separation type ORC coupling VCR system based on a mixed working medium. The component separation type ORC coupling VCR system comprises the mixed working medium as a system cycle working medium. The system comprises a steam generator, an expansion machine, a component separation and condensation unit, a working medium pump, a throttle valve, a refrigeration evaporator and a compressor. Compared with a traditional ORC-VCR system, new circulation can regulate and control working medium components of the ORC part and the VCR part through the component separation and condensation unit, and the energy efficiency ratio and efficiency of the new system are higher than those of a traditional integrated ORC-VCR system.

Description

technical field [0001] The invention belongs to the field of new energy and energy saving, and in particular relates to a component-separated ORC (Organic Rankine Cycle) coupled VCR (Vapor Compression Refrigeration Cycle) system based on mixed working fluid. Background technique [0002] Energy is the basis for human survival and social development. With the rapid development of the economy, the demand for energy has increased sharply, followed by a sharp shortage of fossil energy and the resulting environmental degradation. In order to save energy and protect the ecological environment, my country has formally put forward a carbon dioxide emission commitment, that is, striving to achieve carbon peaking by 2030 and carbon neutrality by 2060. [0003] In the development and utilization of renewable energy, there are various types of medium and low temperature thermal energy (temperature below 300°C), such as industrial waste heat, and the total amount of renewable energy (ge...

Claims

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Application Information

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IPC IPC(8): F25B1/00F25B41/40F25B43/00F25J3/02F25J5/00F01K11/00
CPCF25B1/00F25B43/00F25B41/40F25J3/0295F25J5/00F01K11/00F25J2270/14Y02P80/15
Inventor 杨兴洋付佳伟杨乐刘振华
Owner NANJING UNIV OF TECH