Biomass organic Rankine cycle combined cooling heating and power system and method for providing heat source

A technology of combined cooling, heating and power supply and Rankine cycle, which is applied in the direction of machine operation, combustion method, separation method, etc., can solve the problem of poor temperature matching between heat transfer oil and high-temperature heat source, limited range of selection of organic working fluid, and power generation efficiency. Low heat utilization rate and other issues, to achieve the effect of reducing irreversible heat loss, improving condensation effect, improving power generation efficiency and thermal efficiency

Pending Publication Date: 2022-02-11
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI +1
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Problems solved by technology

However, most organic working fluids have lower normal boiling points, critical temperatures and critical pressures, which limits the selection of organic working fluids in the ORC
In addition, the temperature matching between heat transfer oil and high-temperature heat source is generally poor, which will lead to low power generation efficiency and heat utilization rate of the system

Method used

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  • Biomass organic Rankine cycle combined cooling heating and power system and method for providing heat source
  • Biomass organic Rankine cycle combined cooling heating and power system and method for providing heat source
  • Biomass organic Rankine cycle combined cooling heating and power system and method for providing heat source

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0034] It should be noted, Figure 1 to Figure 4 What is shown is only a preferred example of the present disclosure to help those skilled in the art understand the technical content of the present disclosure, but does not mean that the implementation of the present disclosure is limited thereto. In the drawings or descriptions in the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the correspondin...

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Abstract

The invention provides a biomass organic Rankine cycle combined cooling heating and power system and a method for providing a heat source, wherein the system comprises a pressure-bearing hot water cycle loop, an organic Rankine cycle loop and a single-effect lithium bromide absorption refrigeration cycle loop, wherein the organic Rankine cycle loop and the single-effect lithium bromide absorption refrigeration cycle loop are sequentially connected in series in the pressure-bearing hot water cycle loop through pipelines; and the pressure-bearing hot water cycle loop is used for providing a heat source for the organic Rankine cycle loop and the single-effect lithium bromide absorption refrigeration cycle loop by taking pressure-bearing hot water as a medium.

Description

technical field [0001] The present disclosure relates to the technical field of renewable distributed energy, in particular to a biomass organic Rankine cycle cogeneration system and a method for providing a heat source. Background technique [0002] Biomass organic Rankine cycle combined heat and power system is a renewable distributed energy system, which uses "carbon neutral" energy with strong dispersion and low energy flow density to supply users with electricity, heating or domestic hot water. [0003] Traditional biomass organic Rankine cycle combined heat and power systems usually use heat transfer oil circulation to provide power. As a working medium, heat transfer oil has high temperature requirements, and its maximum temperature can reach 630K. In order to reasonably match the heat source, the evaporation temperature of the organic working medium in the organic Rankine cycle is usually set to 600K, and the condensation temperature is set to 370K. However, most or...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B29/00F25B15/06F25B41/20F25B49/04F23L15/00F23J15/00F23J15/02F23J15/04B01D53/78B01D53/62F01K25/10F01K25/06F01K27/00
CPCF25B29/006F25B15/06F25B41/20F25B49/04F23L15/00F23J15/006F23J15/02F23J15/04B01D53/78B01D53/62F01K25/10F01K25/06F01K27/00F23J2215/10F23J2215/50B01D2251/80B01D2258/0283Y02E20/34
Inventor 朱轶林徐玉杰周学志郭欢陈海生
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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