CN211291129U - Central air conditioner waste heat recovery system with scale cleaning function - Google Patents
Central air conditioner waste heat recovery system with scale cleaning function Download PDFInfo
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- CN211291129U CN211291129U CN201921746276.9U CN201921746276U CN211291129U CN 211291129 U CN211291129 U CN 211291129U CN 201921746276 U CN201921746276 U CN 201921746276U CN 211291129 U CN211291129 U CN 211291129U
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- 238000011084 recovery Methods 0.000 title claims abstract description 80
- 239000002918 waste heat Substances 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 239000012459 cleaning agent Substances 0.000 claims abstract description 48
- 238000004378 air conditioning Methods 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 6
- 230000001502 supplementing effect Effects 0.000 claims abstract description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model discloses a central air-conditioning waste heat recovery system with scale cleaning function, which comprises a high-quality heat recovery system, a low-quality heat recovery system and a descaling system; the high-quality heat recovery system comprises a high-quality heat recovery device, a high-temperature hot water circulating pump, a high-temperature hot water tank water supplementing valve and a domestic hot water outlet valve; the low-quality heat recovery system comprises a low-quality heat recovery device, a low-temperature hot water circulating pump, a low-temperature hot water tank and a low-temperature hot water tank water replenishing valve; the descaling system comprises a cleaning agent circulating pump, a cleaning agent storage tank and a slag discharge valve, and the descaling system replaces a boiler to provide domestic hot water, so that the energy of the central air-conditioning system is utilized in an all-around manner, and the energy consumption of a user is reduced; simultaneously, adopt the two-stage heat transfer, the heat of different grades is retrieved in the segmentation, improves waste heat recovery rate, and high grade heat recovery device rear end is equipped with incrustation scale self-cleaning device, can effectively get rid of the incrustation scale and then improve high grade heat recovery device heat transfer coefficient.
Description
Technical Field
The utility model relates to a central air conditioning energy saving technology field specifically is a from central air conditioning waste heat recovery system who takes incrustation scale cleaning function.
Background
In the place of centralized supply of hot water and air conditioner, cold water set is mainly used to provide cold source, and boiler provides heat source. The boiler is used for preparing hot water, certain energy is consumed, certain greenhouse gas is emitted, greenhouse effect is generated, and global temperature rises; when the water chiller is used for refrigerating, the main machine emits a large amount of condensation heat which is about 1.3-1.5 times of refrigerating capacity, and the partial heat is discharged into the atmosphere, so that not only is heat waste caused, but also the environmental heat pollution is increased, and the urban heat island effect is aggravated.
According to investigation, the available waste heat resources of the central air conditioner are very abundant, so that the central air conditioner is not only a large household with energy consumption, but also a place with the largest waste heat recovery potential. If the waste heat of the central air conditioner can be recycled, the central air conditioner replaces a boiler to prepare domestic hot water, so that lost heat energy can be effectively utilized, the heat pollution of cities in summer is reduced to a certain extent, the opening time of the boiler can be shortened, and the emission of greenhouse gases is reduced.
The patents CN110081579A, CN203177409U, CN204006523U, CN204388303U, CN206257721U, etc. describe methods and devices for recovering waste heat of air conditioners, but all use single-stage heat exchange, the heat recovery rate is low, and the temperature of hot water is difficult to reach the required temperature, and at the same time, the influence of scale on the heat transfer coefficient of the heat exchanger is not considered. Therefore, it is necessary to design a central air conditioner waste heat recovery system with a scale cleaning function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from central air conditioning waste heat recovery system who takes incrustation scale cleaning function to solve the problem that provides among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a central air conditioner waste heat recovery system with a scale cleaning function comprises a high-quality heat recovery system, a low-quality heat recovery system and a descaling system.
Furthermore, the central air-conditioning waste heat recovery system is connected in series between a compressor and a condenser of the central air-conditioning, and the condenser, the throttle valve and the evaporator are connected in series in sequence.
Further, high-quality heat recovery system includes high-quality heat recovery unit, high temperature hot water circulating pump, high temperature hot water intaking valve, high temperature hot water outlet valve, high temperature hot water jar water supply valve and life hot water outlet valve, high temperature hot water intaking valve and high temperature hot water outlet valve are installed respectively to high-quality heat recovery unit's water inlet and delivery port, the one end of high temperature hot water outlet valve is passed through pipeline and high temperature hot water jar intercommunication, and high temperature hot water jar passes through high temperature hot water circulating pump and pipeline and high temperature hot water intaking valve connection, high temperature hot water jar still is connected with high temperature hot water jar water supply valve and pipeline, and is provided with life hot water outlet valve on the pipeline.
Further, low-quality heat recovery system includes low-quality heat recovery unit, low temperature hot water circulating pump, low temperature hot water intaking valve, low temperature hot water outlet valve, low temperature hot water jar and low temperature hot water jar water supply valve, low temperature hot water intaking valve and low temperature hot water outlet valve are installed respectively to low-quality heat recovery unit's water inlet and delivery port, the one end of low temperature hot water outlet valve passes through pipeline and low temperature hot water jar intercommunication, and low temperature hot water jar passes through low temperature hot water circulating pump and pipeline and low temperature hot water intaking valve connection, low temperature hot water intaking valve still passes through pipeline and high temperature hot water jar water supply valve and is connected, low temperature hot water jar passes through the pipeline and is connected with low temperature hot water jar water supply valve.
Further, the descaling system comprises a cleaning agent water inlet valve, a cleaning agent water outlet valve, a cleaning agent circulating pump, a cleaning agent storage tank and a slag discharge valve, wherein the cleaning agent water inlet valve and the cleaning agent water outlet valve are respectively connected with the high-quality heat recovery device through pipelines, the cleaning agent water inlet valve is communicated with the cleaning agent storage tank through a pipeline, the cleaning agent storage tank is connected with the cleaning agent water outlet valve through the cleaning agent circulating pump and the pipeline, the cleaning agent storage tank adopts a cone-shaped enamel storage tank, and the bottom of the cleaning agent storage tank is provided with.
Furthermore, the high-quality heat recovery device and the low-quality heat recovery device adopt brazed plate heat exchangers, and the rear end of the high-quality heat recovery device is connected with a descaling system.
Furthermore, the high-temperature hot water tank and the low-temperature hot water tank are both of vertical structures, are made of 314 stainless steel materials and are provided with heat insulation materials.
Furthermore, the cleaning agent circulating pump adopts a fluorine lining pump.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. the waste heat of the central air-conditioning equipment is fully utilized to prepare domestic hot water, so that the aim of saving energy is fulfilled;
2. reducing heat pollution and greenhouse gas emission;
3. the condensing pressure of the air conditioning unit is reduced through waste heat recovery, the refrigerant liquefaction effect is improved, the energy efficiency ratio of air conditioning equipment is improved, and the energy consumption is reduced;
4. the two-stage heat recovery device is adopted, so that the gradient recovery of heat is realized, and the heat recovery rate is high;
5. the high-quality heat recovery device is provided with the descaling system, so that water scale in the waste heat recovery device can be removed in time, and the reduction of the heat transfer coefficient is effectively avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a pipeline connection structure of a high-quality heat recovery system and a low-quality heat recovery system of the present invention;
FIG. 2 is a schematic view of the pipeline connection structure of the descaling system of the present invention;
in the figure: 1. a compressor; 2. a high quality heat recovery device; 3. a low quality heat recovery device; 4. a condenser; 5. a throttle valve; 6. an evaporator; 7. a high temperature hot water circulating pump; 8. a high temperature hot water inlet valve; 9. a high-temperature hot water outlet valve; 10. a high temperature hot water tank; 11. a low temperature hot water circulation pump; 12. a low temperature hot water inlet valve; 13. a low-temperature hot water outlet valve; 14. a low-temperature hot water tank; 15. a water replenishing valve of the high-temperature hot water tank; 16. a domestic hot water outlet valve; 17. a water replenishing valve of the low-temperature hot water tank; 18. a cleaning agent inlet valve; 19. a cleaning agent outlet valve; 20. a cleaning agent circulating pump; 21. a cleaning agent storage tank; 22. and a slag discharge valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a central air conditioner waste heat recovery system with a scale cleaning function comprises a high-quality heat recovery system, a low-quality heat recovery system and a descaling system; the central air-conditioning waste heat recovery system is connected in series between a compressor 1 and a condenser 4 of the central air-conditioning, and the condenser 4, a throttle valve 5 and an evaporator 6 are connected in series in sequence; the high-quality heat recovery system comprises a high-quality heat recovery device 2, a high-temperature hot water circulating pump 7, a high-temperature hot water inlet valve 8, a high-temperature hot water outlet valve 9, a high-temperature hot water tank 10, a high-temperature hot water tank water supplementing valve 15 and a domestic hot water outlet valve 16, wherein the high-temperature hot water inlet valve 8 and the high-temperature hot water outlet valve 9 are respectively installed at the water inlet and the water outlet of the high-quality heat recovery device 2, one end of the high-temperature hot water outlet valve 9 is communicated with the high-temperature hot water tank 10 through a pipeline, the high-temperature hot water tank 10 is connected with the high-temperature hot water inlet valve 8 through the high-temperature hot water circulating pump 7 and the pipeline, the high-temperature hot; the low-quality heat recovery system comprises a low-quality heat recovery device 3, a low-temperature hot water circulating pump 11, a low-temperature hot water inlet valve 12, a low-temperature hot water outlet valve 13, a low-temperature hot water tank 14 and a low-temperature hot water tank water replenishing valve 17, wherein the low-temperature hot water inlet valve 12 and the low-temperature hot water outlet valve 13 are respectively installed at the water inlet and the water outlet of the low-quality heat recovery device 3, a brazed plate heat exchanger is adopted for the high-quality heat recovery device 2 and the low-quality heat recovery device 3, the rear end of the high-quality heat recovery device 2 is connected with a descaling system, one end of the low-temperature hot water outlet valve 13 is communicated with the low-temperature hot water tank 14 through a pipeline, the low-temperature hot water tank 14 is connected with the low-temperature hot water inlet valve 12 through the low-temperature hot water circulating pump 11 and the pipeline, the high-temperature hot water tank 10 and the low-temperature hot water tank 14 both adopt vertical structures, are made of 314 stainless steel materials and are provided with heat insulation materials, so that the heat insulation effect is ensured, and waste caused by heat loss is avoided; the descaling system comprises a cleaning agent water inlet valve 18, a cleaning agent water outlet valve 19, a cleaning agent circulating pump 20, a cleaning agent storage tank 21 and a slag discharge valve 22, wherein the cleaning agent water inlet valve 18 and the cleaning agent water outlet valve 19 are respectively connected with the high-quality heat recovery device 2 through pipelines, the cleaning agent water inlet valve 18 is also communicated with the cleaning agent storage tank 21 through a pipeline, the cleaning agent storage tank 21 is connected with the cleaning agent water outlet valve 19 through the cleaning agent circulating pump 20 and a pipeline, the cleaning agent circulating pump 20 adopts a fluorine lining pump, the cleaning agent storage tank 21 adopts a cone-shaped enamel storage tank, and the; when the system works, tap water enters the hot water tank 14 through the low-temperature hot water tank water replenishing valve 17, is pumped to the low-quality heat recovery device 3 through the low-temperature hot water circulating pump 11, is heated and then returns to the hot water tank 14, and is circulated to prepare low-temperature hot water; low-temperature hot water in the hot water tank 14 enters the hot water tank 10 through the low-temperature hot water circulating pump 11 and the high-temperature hot water tank water replenishing valve 15, is pumped to the high-quality heat recovery device 2 through the high-temperature hot water circulating pump 7, is heated and then returns to the hot water tank 10, and is circulated to prepare domestic hot water; when the high-quality heat recovery device 2 is cleaned: closing the valve 8 and 9, pumping the cleaning agent in the tank 21 to the high-quality heat recovery device 2 by the circulating pump 20, then returning to the tank 21, circulating to clean the high-quality heat recovery device, and finally discharging the scale from the slag discharge valve 22 at the bottom of the tank 21.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a from central air conditioning waste heat recovery system who takes incrustation scale cleaning function which characterized in that: comprises a high-quality heat recovery system, a low-quality heat recovery system and a descaling system; the central air conditioner waste heat recovery system is connected in series between a compressor (1) and a condenser (4) of the central air conditioner, and the condenser (4), a throttle valve (5) and an evaporator (6) are sequentially connected in series; the high-quality heat recovery system comprises a high-quality heat recovery device (2), a high-temperature hot water circulating pump (7), a high-temperature hot water inlet valve (8), a high-temperature hot water outlet valve (9), a high-temperature hot water tank (10), a high-temperature hot water tank water supplementing valve (15) and a domestic hot water outlet valve (16), a high-temperature hot water inlet valve (8) and a high-temperature hot water outlet valve (9) are respectively arranged at the water inlet and the water outlet of the high-quality heat recovery device (2), one end of the high-temperature hot water outlet valve (9) is communicated with the high-temperature hot water tank (10) through a pipeline, and the high-temperature hot water tank (10) is connected with the high-temperature hot water inlet valve (8) through a high-temperature hot water circulating pump (7) and a pipeline, the high-temperature hot water tank (10) is also connected with a high-temperature hot water tank water replenishing valve (15) and a pipeline, and a domestic hot water outlet valve (16) is arranged on the pipeline; the low-quality heat recovery system comprises a low-quality heat recovery device (3), a low-temperature hot water circulating pump (11), a low-temperature hot water inlet valve (12), a low-temperature hot water outlet valve (13), a low-temperature hot water tank (14) and a low-temperature hot water tank water replenishing valve (17), a low-temperature hot water inlet valve (12) and a low-temperature hot water outlet valve (13) are respectively arranged at the water inlet and the water outlet of the low-quality heat recovery device (3), one end of the low-temperature hot water outlet valve (13) is communicated with the low-temperature hot water tank (14) through a pipeline, and the low-temperature hot water tank (14) is connected with the low-temperature hot water inlet valve (12) through a low-temperature hot water circulating pump (11) and a pipeline, the low-temperature hot water inlet valve (12) is also connected with a high-temperature hot water tank water replenishing valve (15) through a pipeline, the low-temperature hot water tank (14) is connected with a low-temperature hot water tank water replenishing valve (17) through a pipeline; the descaling system comprises a cleaning agent water inlet valve (18), a cleaning agent water outlet valve (19), a cleaning agent circulating pump (20), a cleaning agent storage tank (21) and a slag discharge valve (22), wherein the cleaning agent water inlet valve (18) and the cleaning agent water outlet valve (19) are respectively connected with a high-quality heat recovery device (2) through pipelines, the cleaning agent water inlet valve (18) is communicated with the cleaning agent storage tank (21) through a pipeline, the cleaning agent storage tank (21) is connected with the cleaning agent water outlet valve (19) through the cleaning agent circulating pump (20) and the pipeline, the cleaning agent storage tank (21) adopts a cone-shaped enamel storage tank, and the bottom of the cleaning agent storage tank is provided with.
2. The central air-conditioning waste heat recovery system with the scale cleaning function as claimed in claim 1, wherein the central air-conditioning waste heat recovery system comprises: the high-quality heat recovery device (2) and the low-quality heat recovery device (3) adopt brazed plate heat exchangers, and the rear end of the high-quality heat recovery device (2) is connected with a descaling system.
3. The central air-conditioning waste heat recovery system with the scale cleaning function as claimed in claim 1, wherein the central air-conditioning waste heat recovery system comprises: the high-temperature hot water tank (10) and the low-temperature hot water tank (14) both adopt vertical structures, are made of 314 stainless steel materials and are provided with heat insulation materials.
4. The central air-conditioning waste heat recovery system with the scale cleaning function as claimed in claim 1, wherein the central air-conditioning waste heat recovery system comprises: the cleaning agent circulating pump (20) adopts a fluorine lining pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921746276.9U CN211291129U (en) | 2019-10-17 | 2019-10-17 | Central air conditioner waste heat recovery system with scale cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921746276.9U CN211291129U (en) | 2019-10-17 | 2019-10-17 | Central air conditioner waste heat recovery system with scale cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291129U true CN211291129U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921746276.9U Expired - Fee Related CN211291129U (en) | 2019-10-17 | 2019-10-17 | Central air conditioner waste heat recovery system with scale cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291129U (en) |
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2019
- 2019-10-17 CN CN201921746276.9U patent/CN211291129U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |