CN208565078U - A kind of self-loopa waste heat recovery system of air compressor - Google Patents
A kind of self-loopa waste heat recovery system of air compressor Download PDFInfo
- Publication number
- CN208565078U CN208565078U CN201820981322.2U CN201820981322U CN208565078U CN 208565078 U CN208565078 U CN 208565078U CN 201820981322 U CN201820981322 U CN 201820981322U CN 208565078 U CN208565078 U CN 208565078U
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- China
- Prior art keywords
- water
- air compressor
- heat exchanger
- air
- aftercooler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims abstract description 4
- 238000005057 refrigeration Methods 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 8
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 22
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000002207 thermal evaporation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a kind of self-loopa waste heat recovery system of air compressor, including centrifugal air compressor and aftercooler, the centrifugal air compressor passes through cooling water lubrication and cools down, the aftercooler removes the heat of compressed air by cooling water, wherein, compressed gas tube road between the centrifugal air compressor and aftercooler is equipped with multistage air-water heat exchanger unit, and the hot water line of first order air-water heat exchanger unit connect with hot water operated absorption refrigerating machine, the cooling water pipeline of the hot water operated absorption refrigerating machine is connect with the cooling water pipeline of centrifugal air compressor or aftercooler respectively.Compared with prior art, while the utility model hot-water supply, cold water can be supplied, is not only resolved the main heating source of hot water operated absorption refrigerating machine, supply cold water only needs to expend the electricity of water pump and unit circulating pump, so that the cost for producing cold water substantially reduces；And the portion of cold water can also to be used for the cooling capacity supply of centrifugal heat exchanger and aftercooler.
Description
Technical field
The utility model relates to Compressor Technology fields, and in particular to a kind of self-loopa waste heat recovery system of air compressor.
Background technique
During the production of industrial compressed air, the high temperature compressed air that air compressor machine generates is carrying out post-processing it
Before, it needs to cool down in advance.Water-cooled air compressor is by the cooling compressed air of cooling water or lubricating oil and takes away heat, cold
But water is delivered to cooling tower by water pump and finally removes heat, and cooling water enters back into the cooler of air compressor machine after cooling
Among, in cycles, reciprocation cycle.But the speed of cooling water natural cooling is slower, and additional coolant is needed to carry out it
Cooling, to meet the requirement being recycled.
It can be said that inevitably having heat generation, but this partial heat in compressed air production, it is ultimately discharged into outer
Boundary does not fully utilize.So in recent years, the waste heat recycling of air compressor machine becomes an energy-efficient trend, increasingly
More compressed air systems is initially configured matched waste heat recovery apparatus, and the waste heat of air compressor machine is used for needed for heating production and living
Hot water, improve energy utilization rate, reduce the heating demand of boiler, and reduce matching for compressed air system cooling tower
It sets.
But in the practical application of residual neat recovering system, often caused because of the problems such as demand and required time of hot water
The case where utilization rate is lower than expected or waste heat excessively and nowhere utilizes.
Utility model content
The purpose of this utility model is exactly to provide a kind of self-loopa sky to overcome the problems of the above-mentioned prior art
Press residual neat recovering system.
The purpose of this utility model can be achieved through the following technical solutions: a kind of self-loopa residual heat of air compressor recycling system
System, the system include centrifugal air compressor and aftercooler, and the centrifugal air compressor passes through cooling water lubrication and cools down, institute
State the heat that aftercooler removes compressed air by cooling water, the compressed gas between the centrifugal air compressor and aftercooler
Pipeline is equipped with multistage air-water heat exchanger unit, and the hot water line of first order air-water heat exchanger unit and the absorption system of hot-water type
Cold connection, the cooling with centrifugal air compressor or aftercooler respectively of the cooling water pipeline of the hot water operated absorption refrigerating machine
Water lines connection.
The working principle of the utility model is as follows: when centrifugal air compressor is run, after entering before cooler, compression is empty
The temperature of gas makes high temperature compressed air first flow into first order air-water heat exchanger up to 120 DEG C, recycles heat, and high-temperature-hot-water is returned
Road is heated to 95 DEG C or so, it is possible to provide the heat source of hot water operated absorption refrigerating machine's refrigeration.Meanwhile passing through first order air-water heat exchanger
Cooling water is prepared in hot water operated absorption refrigerating machine's refrigeration, for centrifugal air compressor and rear cold in the heat of high temperature hot water
But device is cooling uses, certainly, if the inadequate centrifugal air compressor of cooling capacity that hot water operated absorption refrigerating machine is prepared and aftercooler
Refrigeration requirement can also provide cooling capacity by cooling tower.Compressed air by the first order air-water heat exchanger heat exchange after, at a temperature of
Drop, but still temperature is higher, passes through in subsequent air-water heat exchanger, water is heated, supply domestic hot-water uses side.By two-stage
Compressed air after heat exchange, passes through aftercooler, carries out heat exchange cooling with the original cooling water system of compressed air system, then
Into Bihend Processing Equipment of Compressed Air, gas equipment is supplied.
Air-water heat exchanger unit described in every level-one includes heat exchanger, water pump and thermostat valve, the tube side of the heat exchanger
Inlet and outlet connect with compressed gas pipeline, the inlet and outlet of the shell side of the heat exchanger are connect with hot water line, the heat exchanger with
Thermostat valve is arranged on hot water line.
The heat exchanger tube pass exit is equipped with the temperature sensor for monitoring compressed air temperature, every level-one institute
The air-water heat exchanger unit stated includes one for controlling the controller of temperature control valve opening, and the controller and temperature sensor connect
It connects.The temperature of compressed air is monitored by temperature sensor, the aperture of thermostat valve is then controlled by controller, to change use
In the flow of the water of heat exchange, so that temperature of the compressed air after by every level-one air-water heat exchanger is able to maintain stabilization.
Preferably, the controller is single-chip microcontroller.
The quantity of the air-water heat exchanger unit is 2 or 3, subsequent to obtain when air-water heat exchanger element number is too many
Hot water quality is not high, and equipment cost greatly improves instead, therefore the quantity of air-water heat exchanger unit is preferred in 2 or 3.
The hot water operated absorption refrigerating machine includes the generator for circuiting sequentially connection, condenser, absorber and evaporator,
Wherein, the generator is connect with the hot water line of first order air-water heat exchanger unit, the evaporator and centrifugal air compressor
Or the cooling water pipeline connection of aftercooler, the condenser is connect with extraneous running water pipe, in addition, in generator and absorber
Between be equipped with cryogenic fluid pump, flow controller is arranged between condenser and evaporator, the principle is as follows: the mixture of lithium bromide and water is defeated
Send into generator, carry out heat exchange with the hot water from first order air-water heat exchanger unit, water therein by thermal evaporation, into
Enter into condenser, and exchange heat and cool down with tap water, then by entering evaporator after throttle valve, evaporation endothermic will be from
The cooling water temperature of centrifugal air compressor and aftercooler, and the water evaporation in evaporator enters in absorber and is brominated lithium-absorbing,
Then it is delivered in generator, is circuited sequentially by cryogenic fluid pump.
Cooling medium in the hot water operated absorption refrigerating machine is water, and absorbing medium is lithium bromide.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects:
(1) heat that should be taken away by aftercooler in compressed air is recycled, production and living are used for, saves cooling tower fortune
Capable expense；
(2) when compressed air system is run, 60 DEG C or so of hot water of life can be simultaneously provided, other modes confession is reduced
The load and energy consumption of heat；
(3) while hot-water supply, cold water can be supplied, not only obtains the main heating source of hot water operated absorption refrigerating machine
It solves, supply cold water only needs to expend the electricity of water pump and unit circulating pump, so that the cost for producing cold water substantially reduces；But also
The portion of cold water can be used for the cooling capacity supply of centrifugal heat exchanger and aftercooler.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the utility model.
Wherein, 1 is centrifugal air compressor, and 2 be aftercooler, and 3 be first order air-water heat exchanger, and 4 be high temperature hot water pump, 5
It is second level air-water heat exchanger for the first thermostat valve, 6,7 be medium temperature heat-exchanger pump, and 8 be the second thermostat valve, and 9 is absorption for hot-water type
Refrigeration machine, 91 be generator, and 92 be cryogenic fluid pump, and 93 be condenser, and 94 be throttle valve, and 95 be evaporator, and 96 be absorber, and 10 are
Water service pump.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of self-loopa waste heat recovery system of air compressor, connection as shown in Figure 1, include centrifugal air compressor 1 and after
Cooler 2, centrifugal air compressor 1 pass through cooling water lubrication and cool down, and aftercooler 2 removes the heat of compressed air by cooling water
Amount, the compressed gas tube road between centrifugal air compressor and aftercooler 2 are successively arranged first order air-water heat exchanger 3 and the second level
Air-water heat exchanger 6, wherein the hot water line of first order air-water heat exchanger 3 is equipped with high temperature hot water pump 4 and the first thermostat valve 5, the
The hot water line of second level air-water heat exchanger 6 is equipped with medium temperature heat-exchanger pump 7 and the second thermostat valve 8.First order air-water heat exchanger 3 and
The tube side exit of second level air-water heat exchanger 6 is equipped with the temperature sensor for monitoring compressed air temperature, and two air waters change
Hot device unit includes one for controlling the single-chip microcontroller of temperature control valve opening, and single-chip microcontroller is connect with temperature sensor.First order air water
Heat exchanger 3 connect by hot water line with hot water operated absorption refrigerating machine 9, second level air-water heat exchanger 6 pass through hot water line and
Domestic hot-water's piping connection.
Hot water operated absorption refrigerating machine 9 includes the generator 91 for circuiting sequentially connection, condenser 93, absorber 96 and evaporation
Device 95, wherein generator 91 is connect with the hot water line of first order air-water heat exchanger unit, evaporator 95 and centrifugal air compressor
1 or aftercooler 2 cooling water pipeline connection, condenser 93 connect with external world's running water pipe, and is arranged originally on the pipeline
Water pump 10 is arranged between condenser 93 and evaporator 95 in addition, being equipped with cryogenic fluid pump 92 between generator 91 and absorber 96
Flow controller, the principle is as follows: the mixture of lithium bromide and water is delivered in generator 91, and from first order air-water heat exchanger
The hot water of unit carries out heat exchange, and water therein is entered in condenser 93 by thermal evaporation, and exchanges heat and cool down with tap water, so
Afterwards by entering evaporator 95 after throttle valve 94, evaporation endothermic will be dropped from the cooling water of centrifugal air compressor and aftercooler 2
Temperature, and the water evaporation in evaporator 95 enters in absorber 96 and is brominated lithium-absorbing, is then delivered to generation by cryogenic fluid pump 92
In device 91, circuit sequentially.
The working principle of this system is as follows: when centrifugal air compressor 1 is run, after entering before cooler 2, and compressed air
Temperature up to 120 DEG C, so that high temperature compressed air is first flowed into first order air-water heat exchanger, heat recycled, by high-temperature-hot-water circuit
It is heated to 95 DEG C or so, it is possible to provide the heat source of hot water operated absorption refrigerating machine's refrigeration.Meanwhile by first order air-water heat exchanger
Cooling water is prepared in hot water operated absorption refrigerating machine's refrigeration in the heat of high-temperature-hot-water, for centrifugal air compressor and rear cooling
Device 2 is cooling to be used, if the cooling capacity of the inadequate centrifugal air compressor of cooling capacity and aftercooler that hot water operated absorption refrigerating machine is prepared needs
It asks, can also provide cooling capacity by cooling tower.Compressed air is after the heat exchange of first order air-water heat exchanger, temperature decline, but still
Temperature is higher, passes through in subsequent air-water heat exchanger, water is heated, and supply domestic hot-water uses side.After two-stage exchanges heat
Compressed air, pass through aftercooler 2, carry out heat exchange cooling with the original cooling water system of compressed air system, enter back into
Bihend Processing Equipment of Compressed Air supplies gas equipment.The quantity of air-water heat exchanger unit is 2 or 3, when air-water heat exchanger unit number
When measuring too many, subsequent obtained hot water quality is not high, and equipment cost greatly improves instead, therefore the quantity of air-water heat exchanger unit
It is preferred in 2 or 3.
Claims (7)
1. a kind of self-loopa waste heat recovery system of air compressor, which includes centrifugal air compressor and aftercooler, it is described from
Core type air compressor machine passes through cooling water lubrication and cools down, and the aftercooler removes the heat of compressed air by cooling water, special
Sign is that the compressed gas tube road between the centrifugal air compressor and aftercooler is equipped with multistage air-water heat exchanger unit,
And the hot water line of first order air-water heat exchanger unit connect with hot water operated absorption refrigerating machine, the hot-water type absorption refrigeration
The cooling water pipeline of machine is connect with the cooling water pipeline of centrifugal air compressor or aftercooler respectively.
2. a kind of self-loopa waste heat recovery system of air compressor according to claim 1, which is characterized in that described in every level-one
Air-water heat exchanger unit includes heat exchanger, water pump and thermostat valve, the inlet and outlet and compressed gas pipeline of the tube side of the heat exchanger
Connection, the inlet and outlet of the shell side of the heat exchanger are connect with hot water line, and the heat exchanger and thermostat valve are arranged in hot water line
On.
3. a kind of self-loopa waste heat recovery system of air compressor according to claim 2, which is characterized in that the Tube Sheet of Heat Exchanger
Journey exit is equipped with the temperature sensor for monitoring compressed air temperature, air-water heat exchanger unit packet described in every level-one
One is included for controlling the controller of temperature control valve opening, the controller is connect with temperature sensor.
4. a kind of self-loopa waste heat recovery system of air compressor according to claim 3, which is characterized in that the controller is
Single-chip microcontroller.
5. a kind of self-loopa waste heat recovery system of air compressor according to any one of claims 1 to 4, which is characterized in that described
The quantity of air-water heat exchanger unit is 2 or 3.
6. a kind of self-loopa waste heat recovery system of air compressor according to claim 1, which is characterized in that the hot-water type is inhaled
Receipts formula refrigeration machine includes the generator for circuiting sequentially connection, condenser, absorber and evaporator, wherein the generator and
The hot water line of level-one air-water heat exchanger unit connects, the cooling water pipe of the evaporator and centrifugal air compressor or aftercooler
Road connection, the condenser are connect with extraneous running water pipe.
7. a kind of self-loopa waste heat recovery system of air compressor according to claim 1, which is characterized in that the hot-water type is inhaled
Cooling medium in receipts formula refrigeration machine is water, and absorbing medium is lithium bromide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981322.2U CN208565078U (en) | 2018-06-25 | 2018-06-25 | A kind of self-loopa waste heat recovery system of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981322.2U CN208565078U (en) | 2018-06-25 | 2018-06-25 | A kind of self-loopa waste heat recovery system of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565078U true CN208565078U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820981322.2U Expired - Fee Related CN208565078U (en) | 2018-06-25 | 2018-06-25 | A kind of self-loopa waste heat recovery system of air compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN208565078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691813A (en) * | 2018-06-25 | 2018-10-23 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of self-loopa waste heat recovery system of air compressor |
| CN110864470A (en) * | 2019-11-28 | 2020-03-06 | 广东美的制冷设备有限公司 | Compressed air heat exchange system |
-
2018
- 2018-06-25 CN CN201820981322.2U patent/CN208565078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691813A (en) * | 2018-06-25 | 2018-10-23 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of self-loopa waste heat recovery system of air compressor |
| CN110864470A (en) * | 2019-11-28 | 2020-03-06 | 广东美的制冷设备有限公司 | Compressed air heat exchange system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 |