CN210399571U - Absorption type refrigerator generator and refrigerator with same - Google Patents
Absorption type refrigerator generator and refrigerator with same Download PDFInfo
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- CN210399571U CN210399571U CN201921274720.1U CN201921274720U CN210399571U CN 210399571 U CN210399571 U CN 210399571U CN 201921274720 U CN201921274720 U CN 201921274720U CN 210399571 U CN210399571 U CN 210399571U
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- flue gas
- generator
- heat exchange
- cavity
- heat
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model provides an absorption refrigerator generator, include: a flue gas heat exchange cavity having a flue gas inlet and a flue gas outlet; the evaporation cavity is suitable for containing a mixed solution of absorption liquid and refrigerant liquid, and is arranged above the flue gas heat exchange cavity; a heat pipe comprising a first portion disposed in the flue gas heat exchange chamber and a second portion disposed in the evaporation chamber and immersed in the mixed solution, the heat pipe adapted to transfer heat from the first portion to the second portion; the extending direction of the first part in the smoke heat exchange cavity is intersected with the flowing direction of the smoke. By applying the technical scheme, the heat exchange efficiency of the generator of the absorption refrigerator can be enhanced, the equipment investment is low, and the occupied space is small.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective cryogenic field specifically indicates an absorption refrigerator generator.
Background
With the rapid development of economy and society, the consumption rate of energy is obvious, and in order to effectively carry out energy-saving reconstruction on the existing energy utilization system, waste gas heat recovery is one of the modes of utilizing energy-saving reconstruction. The waste heat is recycled, so that a large amount of electric energy can be saved for users. The conventional absorption refrigerator generator needs to be provided with a flue gas waste heat recoverer, a secondary heat medium circulating pump set, a secondary heat medium circulating pipe network and a secondary heat medium circulating solution, and has low heat exchange efficiency, large equipment investment and large occupied space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an absorption refrigerator generator, which is not required to be provided with a flue gas waste heat recoverer, a secondary heat medium circulating pump set and a secondary heat medium circulating pipe network and saves secondary heat medium circulating solution, optimizes an absorption refrigerator system, improves the heat exchange efficiency, reduces the equipment investment, and is more economical in operation and maintenance compared with the conventional absorption refrigerator generator; the conventional large absorption refrigeration system can be optimized into a highly integrated unit, the equipment is convenient to arrange, and the embarrassing situation that the waste heat recovery heat source is sufficient but the equipment is not arranged and reconstructed in a sufficient place is avoided.
In order to solve the technical problem, the utility model provides a refrigerator generator, a serial communication port, include:
a flue gas heat exchange cavity having a flue gas inlet and a flue gas outlet;
the evaporation cavity is suitable for containing a mixed solution of absorption liquid and refrigerant liquid, and the evaporation cavity is arranged on the flue gas heat exchange cavity;
a heat pipe comprising a first portion disposed in the flue gas heat exchange chamber and a second portion disposed in the evaporation chamber and immersed in the mixed solution, the heat pipe adapted to transfer heat from the first portion to the second portion;
the extending direction of the first part in the smoke heat exchange cavity is intersected with the flowing direction of the smoke.
Preferably, the extending direction of the first part in the flue gas heat exchange cavity is perpendicular to the flowing direction of the flue gas.
Preferably, a plurality of the heat pipes are arranged in a parallel array.
Preferably, the device further comprises a regulating valve, a temperature sensor and a controller;
the flue gas inlet is also provided with a flue gas flow guide device, and the flue gas flow guide device is provided with an adjusting valve; the regulating valve is used for controlling the output of the heat of the flue gas;
the evaporation cavity also comprises an inlet and an outlet of the mixed solution, and a pipeline connecting the solution outlet end with the outside is provided with a temperature sensor which is used for sensing the temperature of the solution output from the evaporation cavity;
the temperature sensor, the regulating valve and the controller are electrically connected.
Preferably, the controller controls the regulating valve to be gradually closed when the temperature sensor senses that the temperature of the solution output from the evaporation cavity is higher than an artificial set value, and controls the regulating valve to be gradually opened when the temperature sensor senses that the temperature of the solution output from the evaporation cavity is lower than the artificial set value.
Preferably, the device also comprises a sound wave ash removing device arranged on the smoke diversion device.
Preferably, an ash collecting device is arranged at the bottom of the flue gas heat exchange cavity and used for collecting ash in flue gas, and an ash cleaning port is arranged on the side surface of the ash collecting device and used for cleaning the ash accumulated in the ash collecting device at regular time.
Preferably, a valve is arranged at the bottom of the evaporation cavity and used for controlling the suction and the discharge of the mixed solution.
An absorption chiller comprising the generator.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
(1) the absorption type refrigerating machine generator can realize that heat of absorbed smoke is used as a power source of a waste heat refrigerating device, and heat is transferred through gas phase change of absorption liquid and refrigerant liquid, so that the temperature of refrigerating water is reduced, and a refrigerating effect is achieved.
(2) The heat input of the flue gas can be automatically adjusted, the refrigeration effect is optimized, and the stable operation of refrigeration is realized.
(3) The flue gas inlet and outlet guide device is provided with the ultrasonic ash removal device, so that ash adhered to the flue gas heat exchange cavity can be effectively removed.
(4) The bottom of the flue gas heat exchange cavity is provided with an ash collecting device and an ash removing port, so that the accumulated ash in the flue gas can be effectively collected
Ash and can perform ash cleaning operation at regular time.
(5) The bottom of the evaporation cavity is provided with a valve which is used for controlling the suction and the discharge of the solution in the evaporation cavity. Can effectively prevent the frozen pipe from cracking.
Drawings
FIG. 1 is a schematic diagram of a generator in a preferred embodiment of the invention;
fig. 2 is a schematic diagram of an absorption refrigerator according to a preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.
The terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1, an absorption chiller generator 1 includes a flue gas heat exchange chamber 11, the flue gas heat exchange chamber 11 having a flue gas inlet 111 and a flue gas outlet 112; the evaporation cavity 12 is suitable for containing a mixed solution of absorption liquid and refrigerant liquid, and the evaporation cavity 12 is arranged on the flue gas heat exchange cavity 11; a heat pipe comprising a first portion 131 disposed in the flue gas heat exchange chamber 11 and a second portion 132 disposed in the evaporation chamber 12 and immersed in the mixed solution, the heat pipe being adapted to transfer heat from the first portion 131 to the second portion 132; the extension direction of the first portion 131 in the flue gas heat exchange cavity 11 intersects the flow direction of the flue gas. Therefore, the contact area between the first part 131 and the flue gas is large, and the heat exchange efficiency is high.
The heat pipe is filled with a phase-change heat-conducting medium, the phase-change heat-conducting medium located in the first portion 131 absorbs heat in the flue gas heat exchange cavity 11 to evaporate, the gas rises to the second portion 132 to exchange heat with the mixed solution, the purpose of heating the heat flow to recover the solution is achieved, and meanwhile, heat-conducting medium steam flows back to the first portion 131 after being cooled and condensed.
The extending direction of the first part 131 in the flue gas heat exchange cavity 11 is perpendicular to the flowing direction of the flue gas, the generator 1 is provided with a plurality of heat pipes which are arranged in parallel in an array mode, the heat exchange efficiency is higher, and the heat pipes are made of corrosion-resistant materials.
The generator 1 further comprises an adjusting valve 14, a temperature sensor 15 and a controller, the flue gas inlet 111 is further provided with a flue gas flow guiding device 17, the flue gas flow guiding device 17 is located on two sides of the flue gas heat exchange cavity 11 and is used for uniformly distributing flue gas flow directions, so that a heat exchange tube is uniformly heated, the phenomenon that the service life of the heat exchange tube is shortened due to partial serious scouring is avoided, the phenomenon that the temperature of partial flue gas is too low and is lower than the acid dew point of the flue gas, and the service life of the heat exchange tube is seriously influenced is avoided, and the adjusting valve 14 is arranged at one end; the regulating valve 14 is used for controlling the output of the heat of the flue gas; the evaporation cavity 12 further comprises an inlet and an outlet of the mixed solution, the temperature sensor 15 is arranged on a pipeline connecting the solution outlet end 18 with the outside and used for sensing the temperature of the solution output from the evaporation cavity 12, and the temperature sensor 15, the regulating valve 14 and the controller are electrically connected. The controller controls the regulating valve 14 to be gradually closed when the temperature sensor 15 senses that the temperature of the solution output from the evaporation cavity 12 is higher than a preset value, and controls the regulating valve 14 to be gradually opened when the temperature sensor 15 senses that the temperature of the solution output from the evaporation cavity 12 is lower than the preset value.
The generator 1 further comprises an ultrasonic ash removal device 19 arranged on the flue gas guide device 17. The bottom of the flue gas heat exchange cavity 11 is provided with an ash collecting device 20 for collecting ash in flue gas, and the side surface of the ash collecting device 20 is provided with an ash cleaning port 21 for regularly cleaning the ash accumulated in the ash collecting device 20. The bottom of the evaporation cavity 12 is also provided with a valve for controlling the suction and discharge of the mixed solution.
Referring to fig. 2, a schematic diagram of an absorption chiller comprising an absorber 2, the generator 1, a condenser 3 and an evaporator 4 is shown.
The absorber 2 stores a mixed solution of an absorption liquid and a refrigerant liquid. The absorption liquid dilute solution from the absorber 2 is boosted by an absorption liquid pump 5 through a heat exchanger 6, and enters the generator 1 after the heating temperature is increased by the high-temperature concentrated solution from the generator 1. The absorption solution is heated in the generator 1 by the second part of the heat pipe, the temperature of the solution increases until boiling, the water in the solution gradually evaporates, and the concentration of the solution increases continuously. The water vapor evaporated from the generator 1 passes upward through a liquid baffle (not shown) to enter the condenser 3, and the liquid baffle plays a role in vapor-liquid separation to prevent liquid drops from entering the condenser 3 along with the vapor. Since cooling water is introduced into the heat transfer tubes 31 of the condenser 3, the refrigerant vapor outside the tubes is cooled by the cooling water and condensed into water, that is, refrigerant water.
The refrigerant water accumulated in the lower part of the condenser 3 flows into the evaporator 4 after throttling because the pressure in the condenser 3 is higher than that in the evaporator 4. After the refrigerant water enters the evaporator 4, a part of the refrigerant water vapor is firstly flashed off due to the pressure reduction. The evaporator 4 is a spray type heat exchanger, and the spraying amount is many times larger than the evaporation amount, so most of the refrigerant water is gathered in a water tray of the evaporator 4, then is sent into the spray pipe 42 of the evaporator 4 after being boosted by the refrigerant pump 41, is sprayed onto the outer surface of the spray pipe 42 through a nozzle, and is evaporated into low-pressure refrigerant water vapor after absorbing the heat of the chilled water flowing through the spray pipe 42. Due to the low pressure in the evaporator 4, the low-temperature chilled water required by the production process or the air conditioning system can be obtained, and the low-temperature chilled water can be delivered to the user 7 needing cooling.
The evaporated refrigerant vapor is separated from liquid drops carried by the refrigerant vapor by the liquid baffle plate and then enters the absorber 2 to be absorbed by the intermediate solution, and the solution becomes dilute again. The intermediate solution is obtained by mixing the concentrated solution which releases heat and is cooled from the heat exchanger 6 with the dilute solution in the absorber 2. In order to ensure the continuous operation of the absorption process, the heat released in the absorption process needs to be taken away in time by the cooling water in the heat transfer pipe 31, and the heat transfer pipe 31 passes through the absorber 2 and the condenser 3 respectively. The intermediate solution absorbs a certain amount of water vapor to become a dilute solution, and is collected in the bottom of the absorber 2 and then sent to the generator 1 by the absorption liquid pump 5, so that the dilute solution is circulated.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (9)
1. An absorption chiller generator, comprising:
a flue gas heat exchange cavity having a flue gas inlet and a flue gas outlet;
the evaporation cavity is suitable for containing a mixed solution of absorption liquid and refrigerant liquid, and is arranged above the flue gas heat exchange cavity;
a heat pipe comprising a first portion disposed in the flue gas heat exchange chamber and a second portion disposed in the evaporation chamber and immersed in the mixed solution, the heat pipe adapted to transfer heat from the first portion to the second portion;
the extending direction of the first part in the smoke heat exchange cavity is intersected with the flowing direction of the smoke.
2. The generator of claim 1, wherein: the extending direction of the first part in the smoke heat exchange cavity is vertical to the flowing direction of the smoke.
3. The generator of claim 2, wherein: a plurality of heat pipes are arranged in parallel array.
4. The generator of any one of claims 1-3, wherein: the device also comprises a regulating valve, a temperature sensor and a controller;
the flue gas inlet is also provided with a flue gas flow guide device, and the flue gas flow guide device is provided with an adjusting valve; the regulating valve is used for controlling the output of the heat of the flue gas;
the evaporation cavity also comprises an inlet and an outlet of the mixed solution, and a pipeline connecting the solution outlet end with the outside is provided with a temperature sensor which is used for sensing the temperature of the solution output from the evaporation cavity;
the temperature sensor, the regulating valve and the controller are electrically connected.
5. The generator of claim 4, wherein: the controller controls the regulating valve to be gradually closed when the temperature sensor senses that the temperature of the solution output from the evaporation cavity is higher than a preset value, and controls the regulating valve to be gradually opened when the temperature sensor senses that the temperature of the solution output from the evaporation cavity is lower than the preset value.
6. The generator of claim 5, wherein: the device also comprises an ultrasonic ash removal device arranged on the flue gas guide device.
7. The generator of claim 6, wherein: the bottom of the flue gas heat exchange cavity is provided with an ash collecting device for collecting ash in flue gas, and the side surface of the ash collecting device is provided with an ash cleaning port for cleaning the ash accumulated in the ash collecting device.
8. The generator of any one of claims 5-7, wherein: and the bottom of the evaporation cavity is also provided with a valve for controlling the suction and discharge of the mixed solution.
9. An absorption chiller characterized by: comprising a generator according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274720.1U CN210399571U (en) | 2019-08-07 | 2019-08-07 | Absorption type refrigerator generator and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274720.1U CN210399571U (en) | 2019-08-07 | 2019-08-07 | Absorption type refrigerator generator and refrigerator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210399571U true CN210399571U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921274720.1U Active CN210399571U (en) | 2019-08-07 | 2019-08-07 | Absorption type refrigerator generator and refrigerator with same |
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| Country | Link |
|---|---|
| CN (1) | CN210399571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116474527A (en) * | 2023-05-18 | 2023-07-25 | 北京天地融创科技股份有限公司 | Multistage flue gas absorption system |
-
2019
- 2019-08-07 CN CN201921274720.1U patent/CN210399571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116474527A (en) * | 2023-05-18 | 2023-07-25 | 北京天地融创科技股份有限公司 | Multistage flue gas absorption system |
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