CN216159379U - Absorption refrigeration system with optimized absorption performance - Google Patents
Absorption refrigeration system with optimized absorption performance Download PDFInfo
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- CN216159379U CN216159379U CN202122267063.1U CN202122267063U CN216159379U CN 216159379 U CN216159379 U CN 216159379U CN 202122267063 U CN202122267063 U CN 202122267063U CN 216159379 U CN216159379 U CN 216159379U
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- absorber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
Abstract
The utility model relates to an absorption refrigeration system with optimized absorption performance, which belongs to the field of heat-driven absorption refrigeration devices and comprises an absorber, a generator, a condenser and an evaporator, wherein a refrigerant outlet of the generator is connected to a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected to a refrigerant inlet of the evaporator, a refrigerant outlet of the evaporator is connected to a refrigerant inlet of the absorber, a working medium solution outlet of the generator is connected to a working medium solution inlet of the absorber, an ammonia fan is arranged on a pipeline between the refrigerant outlet of the evaporator and the refrigerant inlet of the absorber, a pressure regulating valve and a solution turbine are sequentially arranged on the pipeline between the generator and the absorber, and the ammonia fan is driven to rotate by the solution turbine. The pressure of the absorber is increased, so that the absorption effect of ammonia in the absorber is facilitated; the kinetic energy of the high-pressure working medium solution at the outlet of the generator is utilized, so that the surplus kinetic energy can be recovered, and the energy-saving effect of the device is improved.
Description
Technical Field
The utility model belongs to the field of heat-driven absorption refrigeration devices, and particularly relates to an absorption refrigeration system with optimized absorption performance.
Background
The waste heat refrigeration is a technology for driving a compression type or absorption type refrigerator to refrigerate by using gas or waste gas and waste liquid in the production process and heat discharged by certain power machinery as energy, and compared with the traditional compression refrigeration, the waste heat refrigeration technology can save energy consumption and reduce cost.
However, as shown in fig. 1, when the evaporation temperature of the existing absorption refrigeration device is low, the absorption effect is poor, the refrigeration capacity is limited at low temperature, and the surplus kinetic energy of the high-pressure working medium liquid from the generator is not utilized, which causes energy waste. An absorption refrigeration system with optimized absorption performance is therefore proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving the above problems and providing an absorption refrigeration system with simple structure and reasonable design to optimize absorption performance.
The utility model realizes the purpose through the following technical scheme:
the absorption refrigeration system comprises an absorber, a generator, a condenser and an evaporator, wherein a refrigerant outlet of the generator is connected to a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected to a refrigerant inlet of the evaporator, a refrigerant outlet of the evaporator is connected to a refrigerant inlet of the absorber, a working medium solution outlet of the generator is connected to a working medium solution inlet of the absorber, a working medium solution outlet of the absorber is connected to a working medium solution inlet of the generator, an ammonia fan is arranged on a pipeline between the refrigerant outlet of the evaporator and the refrigerant inlet of the absorber, a pressure regulating valve and a solution turbine are sequentially arranged on the pipeline between the generator and the absorber, and the ammonia fan is driven to rotate by the solution turbine.
As a further preferable aspect of the present invention, one end of the pressure regulating valve is connected to a pipe between the solution turbine and the absorber.
As a further preferable aspect of the present invention, a pressure reducing valve is provided between the refrigerant outlet of the condenser and the pipe of the refrigerant inlet of the evaporator.
As a further optimization scheme of the utility model, the working medium solution outlet of the absorber is connected with the working medium solution inlet of the generator through the solution pump.
As a further optimization scheme of the utility model, the generator further comprises a GAX heat exchanger, a working medium solution outlet of the generator is connected with a working medium solution inlet of the absorber through the GAX heat exchanger, and a working medium solution outlet of the absorber is connected with a working medium solution inlet of the generator through the GAX heat exchanger.
As a further optimization scheme of the utility model, the solution pump is positioned between the pipeline of the working medium solution outlet of the absorber and the pipeline of the working medium solution inlet of the GAX heat exchanger.
The utility model has the beneficial effects that: the pressure of the absorber is increased, so that the absorption effect of ammonia in the absorber is facilitated; the kinetic energy of the high-pressure working medium solution at the outlet of the generator is utilized, so that the surplus kinetic energy can be recovered, and the energy-saving effect of the device is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art absorption chiller;
fig. 2 is a schematic diagram of an absorption refrigeration system with optimized absorption performance according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in figure 2, the absorption refrigeration system with optimized absorption performance of the utility model comprises an absorber, a generator, a condenser and an evaporator, wherein a refrigerant outlet of the generator is connected to a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected to a refrigerant inlet of the evaporator through a pressure reducing valve, a refrigerant outlet of the evaporator is connected to a refrigerant inlet of the absorber, a working medium solution outlet of the generator is connected to a working medium solution inlet of the absorber through a GAX heat exchanger, a working medium solution outlet of the absorber is connected to a working medium solution inlet of the generator through a solution pump and the GAX heat exchanger in sequence, an ammonia fan is arranged on a pipeline between the refrigerant outlet of the evaporator and the refrigerant inlet of the absorber, a pressure regulating valve and a solution turbine are arranged on a pipeline between the generator and the absorber in sequence, one end of the pressure regulating valve is connected to a pipeline between the solution turbine and the absorber, the ammonia fan is driven to rotate by the solution turbine.
The high-pressure working medium liquid at the outlet of the generator enters a solution turbine to convert kinetic energy, and the low-pressure working medium liquid at the outlet of the turbine enters an absorber spray coil to be absorbed; the ammonia fan is driven by the solution turbine to rotate, low-pressure gas ammonia at the outlet of the evaporator is pressurized by the ammonia fan to enter the absorber, and the pressure of the absorber can be automatically adjusted by adjusting the opening of the pressure adjusting valve to the solution turbine. Wherein, what pressure regulating valve regulated finally is the pressure in the absorber, and its principle of realizing the regulation is: the larger the flow entering the solution turbine is, the more the work output by the ammonia fan is, the larger the outlet pressure is, and the higher the corresponding absorber pressure is; conversely, the smaller the flow into the solution turbine, the lower the absorber pressure.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. An absorption refrigeration system for optimizing absorption performance is characterized by comprising an absorber, a generator, a condenser and an evaporator, wherein a refrigerant outlet of the generator is connected to a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected to a refrigerant inlet of the evaporator, a refrigerant outlet of the evaporator is connected to a refrigerant inlet of the absorber, a working medium solution outlet of the generator is connected to a working medium solution inlet of the absorber, a working medium solution outlet of the absorber is connected to a working medium solution inlet of the generator, an ammonia fan is arranged on a pipeline between the refrigerant outlet of the evaporator and the refrigerant inlet of the absorber, a pressure regulating valve and a solution turbine are sequentially arranged on the pipeline between the generator and the absorber, and the ammonia fan is driven to rotate by the solution turbine.
2. An absorption refrigeration system according to claim 1 wherein one end of said pressure regulating valve is connected to a conduit between the solution turbine and the absorber.
3. An absorption refrigeration system according to claim 1 wherein a pressure reducing valve is provided between the refrigerant outlet of the condenser and the conduit of the refrigerant inlet of the evaporator.
4. An absorption refrigeration system according to claim 1 wherein the working fluid solution outlet of the absorber is connected to the working fluid solution inlet of the generator by a solution pump.
5. The absorption refrigeration system according to claim 4 further comprising a GAX heat exchanger, wherein the working fluid solution outlet of the generator is connected to the working fluid solution inlet of the absorber through the GAX heat exchanger, and the working fluid solution outlet of the absorber is connected to the working fluid solution inlet of the generator through the GAX heat exchanger.
6. An absorption refrigeration system according to claim 5 in which the solution pump is located between the line from the working solution outlet of the absorber to the working solution inlet of the GAX heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267063.1U CN216159379U (en) | 2021-09-18 | 2021-09-18 | Absorption refrigeration system with optimized absorption performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267063.1U CN216159379U (en) | 2021-09-18 | 2021-09-18 | Absorption refrigeration system with optimized absorption performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216159379U true CN216159379U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122267063.1U Active CN216159379U (en) | 2021-09-18 | 2021-09-18 | Absorption refrigeration system with optimized absorption performance |
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| Country | Link |
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| CN (1) | CN216159379U (en) |
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2021
- 2021-09-18 CN CN202122267063.1U patent/CN216159379U/en active Active
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