CN218120237U - Heat exchange system - Google Patents
Heat exchange system Download PDFInfo
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- CN218120237U CN218120237U CN202222243014.9U CN202222243014U CN218120237U CN 218120237 U CN218120237 U CN 218120237U CN 202222243014 U CN202222243014 U CN 202222243014U CN 218120237 U CN218120237 U CN 218120237U
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- heat exchange
- exchange system
- condenser
- evaporator
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- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000003507 refrigerant Substances 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007710 freezing Methods 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides a heat exchange system, including compressor, vortex tube, first condenser, first draw and penetrate mechanism, first evaporimeter and vapour and liquid separator, the entry of vortex tube with the gas vent intercommunication of compressor. The utility model provides a heat transfer system, utilize first injection mechanism and second to draw the choke valve that the mechanism used in replacing prior art, thereby effectual reduction throttle loss, effectual promotion heat transfer system's heat transfer performance, utilize the vortex effect of vortex tube simultaneously, exhaust to the compressor is shunted, make under invariable exhaust pressure, the condenser can provide higher heat exchange efficiency, the refrigerant temperature that gets into the evaporimeter simultaneously further reduces, increase the heat exchange efficiency of evaporimeter, set up a plurality of evaporimeters simultaneously, realize the refrigeration of multi-temperature-zone, the air conditioner is adjusted, demands such as life hot water, improve heat transfer system's application scope.
Description
Technical Field
The utility model relates to a heat transfer technical field, especially a heat transfer system.
Background
With the progress of science and technology, the living standard of people is improved, and the energy consumption is increased. The energy consumption of buildings has become a huge energy consumption, wherein the energy consumption of the heating, ventilating and air conditioning industry accounts for most of the energy consumption. Under the background of the era of 'carbon peak reaching and carbon neutralization', energy conservation and emission reduction are in need.
In a traditional vapor compression refrigeration system, single-stage compression circulation is mostly adopted to realize refrigeration, and when the indoor and outdoor temperature difference is large, the compression ratio provided by a compressor is too small, so that the volume efficiency of the compressor is reduced, the throttling loss is increased, the exhaust temperature is too high, the refrigeration (or heating) capacity is reduced, and the operation energy efficiency is reduced; and an expansion valve is adopted in the system for throttling and pressure reduction, so that the high-pressure working medium is throttled to cause mechanical energy loss and influence the system performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the performance of a steam heat exchange system is affected due to throttling loss in the prior art, the heat exchange system with the vortex tube and the ejector is provided for overcoming the throttling loss.
A heat exchange system comprises a compressor, a vortex tube, a first condenser, a first injection mechanism, a first evaporator and a gas-liquid separator, wherein an inlet of the vortex tube is communicated with an exhaust port of the compressor, a hot end outlet of the vortex tube is communicated with a refrigerant inlet of the gas-liquid separator through the first condenser, a cold end outlet of the vortex tube is communicated with a main injection port of the first injection mechanism, an outlet of the first injection mechanism is communicated with a refrigerant inlet of the gas-liquid separator, an injected port of the first injection mechanism is communicated with the first evaporator, the first evaporator is communicated with a liquid refrigerant outlet of the gas-liquid separator through a first throttling mechanism, and a gaseous refrigerant outlet of the gas-liquid separator is communicated with an air suction port of the compressor.
The heat exchange system further comprises a second injection mechanism and a second evaporator, a main injection port of the second injection mechanism is communicated with the condenser, an injected port of the second injection mechanism is communicated with the second evaporator, an outlet of the second injection mechanism is communicated with a refrigerant inlet of the gas-liquid separator, and the second evaporator is communicated with a liquid refrigerant outlet of the gas-liquid separator.
The heat exchange system further comprises an economizer and a second throttling mechanism, the economizer is provided with a main pipeline and an auxiliary pipeline which exchange heat with each other, one end of the main pipeline is connected to the first condenser, the other end of the main pipeline is connected to a main injection port of the second injection mechanism, one end of the auxiliary pipeline is connected to the first condenser through the second throttling mechanism, and the other end of the auxiliary pipeline is connected to a gas supplementing port of the compressor.
The heat exchange system further comprises a third evaporator, a third condenser and a driving mechanism, the third evaporator, the third condenser and the driving mechanism are sequentially communicated to form a heat exchange cycle, and the third condenser exchanges heat with the liquid refrigerant in the gas-liquid separator.
And a heat exchange coil is arranged in the gas-liquid separator, and the heat exchange coil forms the third condenser.
The refrigerant in the heat exchange cycle comprises water or a glycol solution.
The heat exchange system further comprises a freezing mechanism, and the first evaporator is located in the freezing mechanism.
The heat exchange system further comprises a refrigerating mechanism, and the second evaporator is located in the refrigerating mechanism.
The heat exchange system further comprises a water heating mechanism, and the water heating mechanism is communicated with the first condenser.
The refrigerant within the heat exchange system comprises water vapor.
The utility model provides a heat transfer system, utilize first injection mechanism and second to draw the choke valve that the mechanism used in replacing prior art, thereby effectual reduction throttle loss, effectual promotion heat transfer system's heat transfer performance, utilize the vortex effect of vortex tube simultaneously, exhaust to the compressor is shunted, make under invariable exhaust pressure, the condenser can provide higher heat exchange efficiency, the refrigerant temperature that gets into the evaporimeter simultaneously further reduces, increase the heat exchange efficiency of evaporimeter, set up a plurality of evaporimeters simultaneously, realize the refrigeration of multi-temperature-zone, the air conditioner is adjusted, demands such as life hot water, improve heat transfer system's application scope.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchange system provided in an embodiment of the present invention;
in the figure:
1. a compressor; 2. a vortex tube; 3. a first condenser; 4. a first injection mechanism; 5. a first evaporator; 6. a gas-liquid separator; 7. a second injection mechanism; 8. a second evaporator; 9. an economizer; 10. a second throttling mechanism; 11. a third evaporator; 12. a third condenser; 13. a drive mechanism; 14. a first throttle mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The heat exchange system shown in fig. 1 includes a compressor 1, a vortex tube 2, a first condenser 3, a first ejector mechanism 4, a first evaporator 5 and a gas-liquid separator 6, an inlet of the vortex tube 2 is communicated with an exhaust port of the compressor 1, a hot end outlet of the vortex tube 2 is communicated with a refrigerant inlet of the gas-liquid separator 6 through the first condenser 3, a cold end outlet of the vortex tube 2 is communicated with a main ejector port of the first ejector mechanism 4, an outlet of the first ejector mechanism 4 is communicated with a refrigerant inlet of the gas-liquid separator 6, an ejected port of the first ejector mechanism 4 is communicated with the first evaporator 5, the first evaporator 5 is communicated with a liquid refrigerant outlet of the gas-liquid separator 6 through a first throttling mechanism 14, and a gaseous refrigerant outlet of the gas-liquid separator 6 is communicated with an air suction port of the compressor 1. Utilize first to draw and penetrate mechanism 4 and second to draw and penetrate the choke valve that the mechanism used among the replacement prior art to effectual reduction throttle loss, effectual promotion heat transfer system's heat transfer performance utilizes the vortex effect of vortex tube 2 simultaneously, shunts compressor 1's exhaust, makes under invariable discharge pressure, condensation mechanism (first condenser 3) can provide higher heat exchange efficiency, and the refrigerant temperature that gets into evaporation mechanism simultaneously further reduces, increases the heat exchange efficiency of evaporation mechanism (first evaporimeter 5).
Specifically, a refrigerant discharged from an exhaust port of the compressor 1 is divided into two streams, namely a cold stream and a hot stream, under the action of the vortex tube 2, one stream of refrigerant is discharged from a hot end outlet into the first condenser 3 for condensation and heat release, the refrigerant subjected to heat exchange flows back into the gas-liquid separator 6, the other stream of refrigerant enters the main injection port of the first injection mechanism 4 from a cold end outlet, and can flow back into the gas-liquid separator 6 through the outlet of the first injection mechanism 4, meanwhile, the injection port of the first injection mechanism 4 can generate negative pressure to suck the liquid refrigerant in the gas-liquid separator 6 into the first evaporator 5 for heat exchange, and the refrigerant subjected to heat exchange through the first evaporator 5 flows back into the gas-liquid separator 6 under the action of the first injection mechanism 4, so that the whole heat exchange cycle of the heat exchange system is completed. Wherein the temperature of the refrigerant discharged from the hot end outlet is higher than that of the refrigerant discharged from the cold end outlet, the first condenser 3 can provide higher heat exchange efficiency, and meanwhile, the temperature of the refrigerant entering the first evaporator 5 is further reduced compared with the prior art, so that the heat exchange efficiency of the first evaporator 5 is increased.
Optionally, the heat exchange system further includes a second injection mechanism 7 and a second evaporator 8, a main injection port of the second injection mechanism 7 is communicated with the condenser, an injected port of the second injection mechanism 7 is communicated with the second evaporator 8, an outlet of the second injection mechanism 7 is communicated with a refrigerant inlet of the gas-liquid separator 6, and the second evaporator 8 is communicated with a liquid refrigerant outlet of the gas-liquid separator 6. The refrigerant which flows into the gas-liquid separator 6 from the first condenser 3 and exchanges heat in the second evaporator 8 is injected into the gas-liquid separator 6, so that the second evaporator 8 can obtain the liquid refrigerant from the gas-liquid separator 6 to exchange heat, and the refrigerant which exchanges heat flows back to the gas-liquid separator 6 to complete heat exchange circulation.
Optionally, the heat exchange system further includes an economizer 9 and a second throttling mechanism 10, the economizer 9 has a main pipeline and an auxiliary pipeline which exchange heat with each other, one end of the main pipeline is connected to the first condenser 3, the other end of the main pipeline is connected to the main injection port of the second injection mechanism 7, one end of the auxiliary pipeline is connected to the first condenser 3 through the second throttling mechanism 10, and the other end of the auxiliary pipeline is connected to the air supplement port of the compressor 1. The economizer 9 is used for supplementing air and increasing enthalpy of the compressor 1, the heat exchange capacity of the heat exchange system is further improved, the operation energy efficiency ratio is improved, and the adaptability of the heat exchange system to indoor and outdoor temperature difference is further improved.
Preferably, the economizer 9 is a plate heat exchanger or a double pipe heat exchanger.
In order to enable the heat exchange system to realize the effect of multi-temperature-zone heat exchange, the heat exchange system further comprises a third evaporator 11, a third condenser 12 and a driving mechanism 13, wherein the third evaporator 11, the third condenser 12 and the driving mechanism 13 are sequentially communicated to form a heat exchange cycle, and the third condenser 12 exchanges heat with the liquid refrigerant in the gas-liquid separator 6. The refrigerant in the heat exchange cycle flows between the third evaporator 11 and the third condenser 12 under the driving of the driving mechanism 13, and the third condenser 12 can exchange heat with the liquid refrigerant in the gas-liquid separator 6, so that the refrigerant in the heat exchange cycle can release heat at the third condenser 12 and absorb heat at the third evaporator 11, and the heat exchange effect is realized. Wherein the drive mechanism 13 is a power pump.
Meanwhile, the first evaporator 5, the second evaporator 8 and the third evaporator 11 can be used for heat exchange of three areas as required, so that the effect of the heat exchange system on heat exchange of multiple temperature zones is achieved. Of course, in order to further increase the number of temperature zones, multiple sets of the third evaporator 11, the third condenser and the driving mechanism 13 may be optionally provided, and heat exchange for multiple temperature zones is realized through multiple third evaporators 11.
Preferably, the first evaporator 5 is a main evaporator, mainly plays a role of ensuring normal operation of the compressor 1, is a low-temperature evaporator with a lower temperature relative to the second evaporator 8 and the third evaporator 11; the second evaporator 8 is still connected in series in the heat exchange cycle in which the compressor 1 is located, and therefore its temperature is higher with respect to the temperature of the third evaporator 11, being a medium temperature evaporator; the third evaporator 11 is a surface cooler.
Therefore, the heat exchange system further comprises a refrigerating mechanism, the second evaporator 8 is located in the refrigerating mechanism, and the refrigerating function is achieved through the second evaporator 8. Similarly, the heat exchange system further comprises a freezing mechanism, and the first evaporator 5 is located in the freezing mechanism. The freezing function is realized by the first evaporator 5.
And a heat exchange coil is arranged in the gas-liquid separator 6, and the heat exchange coil forms the third condenser 12. That is, the gas-liquid separator 6 may be a shell-and-tube heat exchanger, and part or all of the heat exchange coil is located below the liquid level of the shell-and-tube heat exchanger, so as to achieve the effect of cooling the refrigerant in the heat exchange coil.
The refrigerant in the heat exchange cycle comprises water or a glycol solution.
The heat exchange system further comprises a water heating mechanism, and the water heating mechanism is communicated with the first condenser 3. By utilizing the vortex effect of the vortex tube 2, the heat exchange system can provide higher heat exchange effect for the first condenser 3 under the constant exhaust pressure, and hot water with higher temperature can be produced.
The refrigerant within the heat exchange system comprises water vapor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A heat exchange system, characterized in that: the compressor comprises a compressor (1), a vortex tube (2), a first condenser (3), a first ejector mechanism (4), a first evaporator (5) and a gas-liquid separator (6), wherein an inlet of the vortex tube (2) is communicated with an exhaust port of the compressor (1), a hot end outlet of the vortex tube (2) is communicated with a refrigerant inlet of the gas-liquid separator (6) through the first condenser (3), a cold end outlet of the vortex tube (2) is communicated with a main ejector port of the first ejector mechanism (4), an outlet of the first ejector mechanism (4) is communicated with a refrigerant inlet of the gas-liquid separator (6), an ejected port of the first ejector mechanism (4) is communicated with the first evaporator (5), the first evaporator (5) is communicated with a liquid refrigerant outlet of the gas-liquid separator (6) through a first throttling mechanism (14), and a gaseous refrigerant outlet of the gas-liquid separator (6) is communicated with a gas suction port of the compressor (1).
2. The heat exchange system of claim 1, wherein: the heat exchange system further comprises a second injection mechanism (7) and a second evaporator (8), a main injection port of the second injection mechanism (7) is communicated with the condenser, an injected port of the second injection mechanism (7) is communicated with the second evaporator (8), an outlet of the second injection mechanism (7) is communicated with a refrigerant inlet of the gas-liquid separator (6), and the second evaporator (8) is communicated with a liquid refrigerant outlet of the gas-liquid separator (6).
3. The heat exchange system of claim 2, wherein: the heat exchange system further comprises an economizer (9) and a second throttling mechanism (10), the economizer (9) is provided with a main pipeline and an auxiliary pipeline which exchange heat with each other, one end of the main pipeline is connected to the first condenser (3), the other end of the main pipeline is connected to a main injection port of the second injection mechanism (7), one end of the auxiliary pipeline is connected to the first condenser (3) through the second throttling mechanism (10), and the other end of the auxiliary pipeline is connected to a gas supplementing port of the compressor (1).
4. The heat exchange system of claim 1, wherein: the heat exchange system further comprises a third evaporator (11), a third condenser (12) and a driving mechanism (13), the third evaporator (11), the third condenser (12) and the driving mechanism (13) are sequentially communicated to form a heat exchange cycle, and the third condenser (12) and the liquid refrigerant in the gas-liquid separator (6) exchange heat.
5. The heat exchange system of claim 4, wherein: and a heat exchange coil is arranged in the gas-liquid separator (6), and the heat exchange coil forms the third condenser (12).
6. The heat exchange system of claim 4, wherein: the refrigerant in the heat exchange cycle comprises water or a glycol solution.
7. The heat exchange system of claim 2, wherein: the heat exchange system further comprises a freezing mechanism, and the first evaporator (5) is positioned in the freezing mechanism.
8. The heat exchange system of claim 2, wherein: the heat exchange system further comprises a refrigerating mechanism, and the second evaporator (8) is located in the refrigerating mechanism.
9. The heat exchange system of claim 1, wherein: the heat exchange system further comprises a water heating mechanism, and the water heating mechanism is communicated with the first condenser (3).
10. The heat exchange system of claim 1, wherein: the refrigerant within the heat exchange system comprises water vapor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243014.9U CN218120237U (en) | 2022-08-24 | 2022-08-24 | Heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243014.9U CN218120237U (en) | 2022-08-24 | 2022-08-24 | Heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218120237U true CN218120237U (en) | 2022-12-23 |
Family
ID=84523744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222243014.9U Active CN218120237U (en) | 2022-08-24 | 2022-08-24 | Heat exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218120237U (en) |
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2022
- 2022-08-24 CN CN202222243014.9U patent/CN218120237U/en active Active
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