CN203615551U - Air-conditioning cooling water system with waste heat recovery device - Google Patents
Air-conditioning cooling water system with waste heat recovery device Download PDFInfo
- Publication number
- CN203615551U CN203615551U CN201320817748.1U CN201320817748U CN203615551U CN 203615551 U CN203615551 U CN 203615551U CN 201320817748 U CN201320817748 U CN 201320817748U CN 203615551 U CN203615551 U CN 203615551U
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- water
- cooling water
- waste heat
- heat recovery
- air conditioning
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- 239000000498 cooling water Substances 0.000 title claims abstract description 122
- 239000002918 waste heat Substances 0.000 title claims abstract description 60
- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 169
- 239000002699 waste material Substances 0.000 claims abstract description 29
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 13
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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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]
- Y02B30/56—Heat recovery units
Abstract
The utility model relates to the technical field of heat recovery, and in particularly relates to an air-conditioning cooling water system with a waste heat recovery device; the air-conditioning cooling water system with the waste heat recovery device comprises a cooling water system, a water-cooling water chiller unit and a cold water supply system which are sequentially connected through water inlet and outlet pipe sections, wherein the water inlet pipe section, of the cooling water system, connected with the water-cooling water chiller unit is provided with a cooling water waste heat recovery device; the cooling water waste heat recovery device is provided with a waste heat recoverer; the waste heat recoverer is provided with a first water inlet and a first water outlet; the first water inlet is connected with the water outlet pipe section of the water-cooling water chiller unit; the first water outlet is connected with the water inlet pipe section of the cooling water system. According to the air-conditioning cooling water system provided by the utility model, the cooling water waste heat recovery device is arranged on the water inlet pipe section, of the cooling water system, connected with the water-cooling water chiller unit; so that the system can well recovery the heat of waste condensate water of the air-conditioning cooling water system, fully utilize renewable resources and reduce atmospheric pollution, and thus the purpose of energy conservation and emission reduction is achieved.
Description
Technical field
The utility model relates to heat recovery technical field, more specifically, relates to a kind of air conditioning cooling water system with waste heat recovery plant.
Background technology
Existing air conditioning cooling water system is just installed merely cooling tower, cooling water pump and cooling water pipe conventionally.And handpiece Water Chilling Units is in operation and can produces a large amount of condenser heat, condenser heat is delivered to cooling tower by cooling water pump and cooling water pipe, be distributed in atmosphere by cooling tower, condenser heat enters cooling tower by cooling water pump through pipeline and enters in atmosphere under normal circumstances.The condenser heat of handpiece Water Chilling Units just in a disguised form discharges used heat to surrounding environment, surrounding environment is caused to thermal pollution, and be not recycled utilization, and therefore existing air conditioning cooling water system can cause the waste of thermal pollution and heat energy, electric energy etc. to surrounding environment.
Under operation of air conditioner operating mode, the cooling water temperature that enters cooling tower is 37 ℃, after cooling tower heat radiation, reduces to 32 ℃, and continuous circulation.In recent years, in order to reclaim the condenser heat of handpiece Water Chilling Units, some handpiece Water Chilling Units manufacturing firm has released the refrigeration unit reclaiming with condensation heat, a heat reclamation device is set in handpiece Water Chilling Units inside, the high-temperature high-pressure refrigerant gas that compressor is discharged enters heat reclamation device, after heating domestic water, is condensed into liquid.The heat recovery efficiency of this equipment is higher, and hot water temperature can reach 50 ℃ of left and right, but equipment price is higher, maintenance difficult, and handpiece Water Chilling Units will have stable hot water demand can reach the Energy Efficiency Ratio of expection in running.
Summary of the invention
The utility model is at least one defect overcoming described in above-mentioned prior art, and a kind of air conditioning cooling water system with waste heat recovery plant is provided, and it is simple in structure, operating cost is cheap, and energy consumption is low, can realize the Waste Heat Recovery of air conditioning cooling water.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of air conditioning cooling water system with waste heat recovery plant is provided, comprise the cooling water system, water-cooled handpiece Water Chilling Units and the cooling water supply system that connect successively by Inlet and outlet water pipeline section, the water inlet segment that described cooling water system is connected with water-cooled handpiece Water Chilling Units is provided with cooling water waste retracting device, described cooling water waste retracting device is provided with waste heat recoverer, waste heat recoverer is provided with the first water inlet and the first delivery port, described the first water inlet is connected with the water outlet pipeline section of water-cooled handpiece Water Chilling Units, and the first delivery port is connected with the water inlet segment of cooling water system.
On the water inlet segment that the utility model air conditioning cooling water system is connected with water-cooled handpiece Water Chilling Units at cooling water system, cooling water waste retracting device is set, when system works, cooling water supply system is to water-cooled handpiece Water Chilling Units for cold water, and the water of discharging after the operation of water-cooled handpiece Water Chilling Units enters cooling water system through cooling water waste retracting device; When through cooling water waste retracting device, cooling water through waste heat recoverer wherein by Waste Heat Recovery and or be used, make air conditioning cooling water cooling be back to again water-cooled handpiece Water Chilling Units or outflow.This air conditioning cooling water system can reclaim the cooling water heat of air conditioning cooling water system well, makes full use of renewable resource, reduces atmosphere pollution, reaches the object of energy-saving and emission-reduction.
Enter one of to change, on described cooling water waste retracting device, be also provided with water-water jet and bypass pipe, described water-water jet is connected in series and is arranged at waste heat recoverer on the water inlet segment that described cooling water system is connected with waste heat recoverer, and one end of bypass pipe is connected with described water-water jet, the other end is connected on the water outlet pipeline section that described water-cooled handpiece Water Chilling Units is connected with waste heat recoverer.The setting of water-water jet and bypass pipe can improve the stability of system, water-water jet can balance through the pressure that converges of the cooling water of waste heat recoverer water outlet pipeline section and bypass pipe current.
Further, described bypass pipe is provided with the first control valve.
Two of improvement, described cooling water waste retracting device is provided with return duct outward, the water inlet end of described return duct is connected with the water inlet segment of described cooling water system, the water side of return duct is connected on the water outlet pipeline section that described cooling water system is connected with water-cooled handpiece Water Chilling Units, the cooling water that part flows out from cooling water waste retracting device can directly be back to water-cooled handpiece Water Chilling Units by return duct and reuse, the stability that both can improve air conditioning cooling water system entirety, economizes on resources again and energy consumption.
Further, described return duct is provided with the second control valve.
Three of improvement, described air conditioning cooling water system also comprises hot water supply system, described hot water supply system is connected with described cooling water waste retracting device.The cooling water waste that cooling water waste retracting device reclaims can be used, and for the hot water supply system increasing provides heat with preheating cold water, improves the practicality of system, makes full use of renewable resource, more energy-conserving and environment-protective.
Further, on described cooling water waste retracting device, be also provided with thermal storage water tank, described waste heat recoverer is provided with the second delivery port, and described thermal storage water tank's water inlet is connected with described the second delivery port, and thermal storage water tank's delivery port is connected with described hot water supply system.Thermal storage water tank's the heating part water in advance that arranges resupplies hot water supply system, increases the rate of recovery to used heat resource, simultaneously also easy to use more timely.
Further, described waste heat recoverer is provided with the second water inlet, and described the second water inlet is connected with life cold water inlet.Waste heat recoverer can directly be connected life cold water inlet, at any time cold water is preheated, and makes it reach certain serviceability temperature.
In such scheme, in described waste heat recoverer, be provided with the chilled water coil and the hot-water coil pipe that are arranged in parallel, the water inlet of described chilled water coil is connected with described the first water inlet, delivery port is connected with described the first delivery port, and the water inlet of described hot-water coil pipe is connected with described the second water inlet, delivery port is connected with described the second delivery port.
Four of improvement, described thermal storage water tank is provided with level sensor, affects normal operation in case water level in thermal storage water tank is too high.
Compared with prior art, the beneficial effect of technical scheme that the utility model adopts is as follows:
On the water inlet segment that the utility model air conditioning cooling water system is connected with water-cooled handpiece Water Chilling Units at cooling water system, cooling water waste retracting device is set, make system can reclaim well the discarded condensed water heat of air conditioning cooling water system, make full use of renewable resource, reduce atmosphere pollution, reach the object of energy-saving and emission-reduction.
This air conditioning cooling water system is because cooling water waste retracting device is arranged at outside water-cooled handpiece Water Chilling Units, therefore simple in structure, control conveniently, and its small investment, operation and maintenance expense are cheap.Have again, air conditioning cooling water system of the present utility model can regulate according to using amount of hot water the flow of cooling water, and therefore its use is more flexible, if this system has stable hot water user, can also reduce the energy consumption of air conditioning cooling water system, further reach the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the structural representation that embodiment has the air conditioning cooling water system of waste heat recovery plant.
Fig. 2 is the structural representation of the waste heat recoverer part of embodiment air conditioning cooling water system.
The specific embodiment
In the utility model, term " on ", D score, " left side ", " right side ", 'fornt', 'back', " top ", " end ", " interior ", " outward ", " in ", orientation or the position relationship of the indication such as " vertically ", " level ", " laterally ", " longitudinally " be based on orientation shown in the drawings or position relationship.These terms are mainly in order to describe better the utility model and embodiment, are not intended to limit indicated device, element or part and must have particular orientation, or construct and operate with particular orientation.
And above-mentioned part term is except can orientation or position relationship, being also used for representing other implications for representing, for example term " on " also may be used for representing in some cases certain relations of dependence or annexation.For those of ordinary skills, can understand as the case may be the concrete meaning of these terms in the utility model.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " being connected " should be interpreted broadly.For example, can be to be fixedly connected with, removably connect, or monolithic construction; Can be mechanical connection, or electrical connection; Can be to be directly connected, or indirectly be connected by intermediary, or be connection inner between two devices, element or parts.For those of ordinary skills, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (concrete kind is identical with structure possibility also may be different), not for showing or imply relative importance and the quantity of indicated device, element or part.Except as otherwise noted, the implication of " multiple " is two or more.
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further described.
Be the embodiment that the utlity model has the air conditioning cooling water system of waste heat recovery plant as shown in Figure 1 to Figure 2, comprise the cooling water system 100, water-cooled handpiece Water Chilling Units 200 and the cooling water supply system 300 that connect successively by Inlet and outlet water pipeline section, also comprise hot water supply system 400.Wherein, the water inlet segment that cooling water system 100 is connected with water-cooled handpiece Water Chilling Units 200 is provided with cooling water waste retracting device 500, hot water supply system 400 is connected with cooling water waste retracting device 500, cooling water waste retracting device 500 is provided with waste heat recoverer 510, water-water jet 520, bypass pipe 530 and thermal storage water tank 540, water-water jet 520 and waste heat recoverer 510 are connected in series and are arranged on the water inlet segment that cooling water system 100 is connected with waste heat recoverer 510, one end of bypass pipe 530 is connected with water-water jet 520, the other end is connected on the water outlet pipeline section that water-cooled handpiece Water Chilling Units 200 is connected with waste heat recoverer 510, thermal storage water tank 540 water inlet 541 is connected with waste heat recoverer 510, delivery port 542 is connected with hot water supply system 400.In order to use and easy to adjust, the first control valve 531 is set on bypass pipe 530, the heat regulation open degree that this first control valve 531 needs according to life cold water.Meanwhile, in order to prevent that water level in thermal storage water tank 540 is too high and affect normal operation, level sensor 543 is set on thermal storage water tank 540.
As shown in Figure 2, waste heat recoverer 510 is provided with the first water inlet 511, the second water inlet 512 and the first delivery port 513, the second delivery port 514, the first water inlet 511 is connected with the water outlet pipeline section of water-cooled handpiece Water Chilling Units 200, and the first delivery port 513 is connected with the water inlet segment of cooling water system 100; The second water inlet 512 is connected with life cold water inlet 600, and the second delivery port 514 is connected with thermal storage water tank 540 water inlet 541.In the present embodiment, in waste heat recoverer 510, be provided with the chilled water coil 501 and the hot-water coil pipe 502 that are arranged in parallel, the water inlet of chilled water coil 501 is connected with the first water inlet 511, delivery port is connected with the first delivery port 513, and the water inlet of hot-water coil pipe 502 is connected with the second water inlet 512, delivery port is connected with the second delivery port 514.
As shown in Figure 1, the outer return duct 550 that is provided with of cooling water waste retracting device 500, the water inlet end of return duct 550 is connected with the water inlet segment of cooling water system 100, the water side of return duct 550 is connected on the water outlet pipeline section that cooling water system 100 is connected with water-cooled handpiece Water Chilling Units 200, the cooling water that part flows out from cooling water waste retracting device 500 can directly be back to water-cooled handpiece Water Chilling Units 200 by return duct 550 and reuse, the stability that both can improve air conditioning cooling water system entirety, economizes on resources again and energy consumption.In addition, on return duct 550, be provided with the second control valve 551.
When actual use, when water-cooled handpiece Water Chilling Units 200 is moved, discharge the cooling water of 37 ℃, through waste heat recoverer 510 and the heat exchange of life cold water, life cold water is preheated to 30 ℃ by 15 ℃, and cooling water is down to 32 ~ 34 ℃ by 37 ℃, return to water-cooled handpiece Water Chilling Units 200 through further cooling (or through cooling tower bypass pipe).Because preheating domestic water institute calorific requirement is only a part for air conditioning cooling water system heat release, in order to save area and the cost of waste heat recoverer 510, at waste heat recoverer 510 cooling water pipeline sections, bypass pipe 530 is set, part cooling water flow to water-water jet 520 through bypass pipe 530.Wherein, the large I of waste heat recoverer 510 is determined as calculated according to hot water water consumption.Life cold water absorbs cooling water heat through waste heat recoverer 510, and temperature deposits thermal storage water tank in after reaching 30 ℃.
The cooling water waste retracting device of the present embodiment air conditioning cooling water system is conventionally to enter atmosphere condensation waste heat preheating domestic water.Conventionally earth's surface coolant-temperature gage is about 10 ~ 15 ℃ in southern area, and the north is about 4 ℃, after the preheating of cooling water waste retracting device, can reach 30 ℃ of left and right, and it is temperature required that hot water can adopt other thermals source to be further heated to.
Be example take hotel, if the domestic hot-water of hotel consumption 100m
3/ day, as domestic hot-water is preheating to 30 ℃ by 15 ℃, needing heat is 1744kW.Refrigerating capacity is the refrigeration unit of 1054kW, and cooling water inflow is about 210m
3/ h, it is 732kW/h that cooling water temperature is down to 34 ℃ of liberated heats from 37 ℃.Waste heat recoverer 60 m that flow through per hour
3can meet the requirement of preheating Living Water.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.All any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (10)
1. one kind has the air conditioning cooling water system of waste heat recovery plant, comprise the cooling water system connecting successively by Inlet and outlet water pipeline section, water-cooled handpiece Water Chilling Units and cooling water supply system, it is characterized in that, the water inlet segment that described cooling water system is connected with water-cooled handpiece Water Chilling Units is provided with cooling water waste retracting device, described cooling water waste retracting device is provided with waste heat recoverer, waste heat recoverer is provided with the first water inlet and the first delivery port, described the first water inlet is connected with the water outlet pipeline section of water-cooled handpiece Water Chilling Units, the first delivery port is connected with the water inlet segment of cooling water system.
2. the air conditioning cooling water system with waste heat recovery plant according to claim 1, it is characterized in that, on described cooling water waste retracting device, be also provided with water-water jet and bypass pipe, described water-water jet is connected in series and is arranged at waste heat recoverer on the water inlet segment that described cooling water system is connected with waste heat recoverer, and one end of bypass pipe is connected with described water-water jet, the other end is connected on the water outlet pipeline section that described water-cooled handpiece Water Chilling Units is connected with waste heat recoverer.
3. the air conditioning cooling water system with waste heat recovery plant according to claim 2, is characterized in that, described bypass pipe is provided with the first control valve.
4. the air conditioning cooling water system with waste heat recovery plant according to claim 1, it is characterized in that, described cooling water waste retracting device is provided with return duct outward, the water inlet end of described return duct is connected with the water inlet segment of described cooling water system, and the water side of return duct is connected on the water outlet pipeline section that described cooling water system is connected with water-cooled handpiece Water Chilling Units.
5. the air conditioning cooling water system with waste heat recovery plant according to claim 4, is characterized in that, described return duct is provided with the second control valve.
6. according to the air conditioning cooling water system with waste heat recovery plant described in claim 1 to 5 any one, it is characterized in that, described air conditioning cooling water system also comprises hot water supply system, and described hot water supply system is connected with described cooling water waste retracting device.
7. the air conditioning cooling water system with waste heat recovery plant according to claim 6, it is characterized in that, on described cooling water waste retracting device, be also provided with thermal storage water tank, described waste heat recoverer is provided with the second delivery port, described thermal storage water tank's water inlet is connected with described the second delivery port, and thermal storage water tank's delivery port is connected with described hot water supply system.
8. the air conditioning cooling water system with waste heat recovery plant according to claim 7, is characterized in that, described waste heat recoverer is provided with the second water inlet, and described the second water inlet is connected with life cold water inlet.
9. the air conditioning cooling water system with waste heat recovery plant according to claim 8, it is characterized in that, in described waste heat recoverer, be provided with the chilled water coil and the hot-water coil pipe that are arranged in parallel, the water inlet of described chilled water coil is connected with described the first water inlet, delivery port is connected with described the first delivery port, and the water inlet of described hot-water coil pipe is connected with described the second water inlet, delivery port is connected with described the second delivery port.
10. the air conditioning cooling water system with waste heat recovery plant according to claim 7, is characterized in that, described thermal storage water tank is provided with level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817748.1U CN203615551U (en) | 2013-12-11 | 2013-12-11 | Air-conditioning cooling water system with waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817748.1U CN203615551U (en) | 2013-12-11 | 2013-12-11 | Air-conditioning cooling water system with waste heat recovery device |
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| Publication Number | Publication Date |
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| CN203615551U true CN203615551U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320817748.1U Expired - Lifetime CN203615551U (en) | 2013-12-11 | 2013-12-11 | Air-conditioning cooling water system with waste heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033973A (en) * | 2014-06-23 | 2014-09-10 | 钱月珍 | Mosquito-repelling air conditioner |
-
2013
- 2013-12-11 CN CN201320817748.1U patent/CN203615551U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033973A (en) * | 2014-06-23 | 2014-09-10 | 钱月珍 | Mosquito-repelling air conditioner |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
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| CX01 | Expiry of patent term |