CN202613826U - Recycling system of waste heat of waste hot water - Google Patents
Recycling system of waste heat of waste hot water Download PDFInfo
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- CN202613826U CN202613826U CN 201220237324 CN201220237324U CN202613826U CN 202613826 U CN202613826 U CN 202613826U CN 201220237324 CN201220237324 CN 201220237324 CN 201220237324 U CN201220237324 U CN 201220237324U CN 202613826 U CN202613826 U CN 202613826U
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Abstract
The utility model discloses two recycling systems of waste heat of waste hot water. One recycling system of waste heat of waste hot water comprises a water-water heat exchanger which is provided with a waste hot water inlet, a waste hot water outlet, a cold water inlet and a cold water outlet. The waste hot water inlet of the water-water heat exchanger is connected with an outlet of a waste hot water collector through a pipeline. The waste hot water outlet of the water-water heat exchanger is connected with a water discharging system through a pipeline. Water supplying of a waste hot water and hot water supplying system is subjected to heat exchanging at the water-water heat exchanger. The hot water supplying system is used for heating supplied water of the hot water supplying system by waste heat of discharged water, and accordingly energy saving is achieved. In addition, capacity of an electric heater and total size of a high-temperature water storage box can be reduced, occupied space is economized, and utilization of the whole space is given to critical play. The recycling system of waste heat of waste hot water is applicable as a large-sized system and is also applicable as a small-sized system, waste heat seeming to unable to be utilized is utilized, many a little makes a mickle, and energy is saved.
Description
Technical field
The utility model relates to a kind of heat recovery system, particularly relates to a kind of recycling system of discarded afterheat of hot water.
Background technology
At present; The heat recovery The Application of Technology is comparatively extensive, mainly contains: the heat recovery of waste gas residual heat recovery technology, waste water residual heat recovery heat pump techniques, gas-fired heat pump waste heat recovery, low temperature exhaust heat recovery, steam heating system, air-conditioning waste heat recovery or the like.In industrial processes, produce and wasted a large amount of various forms of waste heats.One of important method that UTILIZATION OF VESIDUAL HEAT IN adopted is exactly a heat pump techniques.Heat pump techniques has been applied to many industrial departments, has obtained good energy-saving effect.Low temperature exhaust heat is quite big because of the available energy share, be necessary very much to recycle, but because of investment is bigger, what use at present also is not very extensively.Aspect the UTILIZATION OF VESIDUAL HEAT IN of steam heating system, a lot of scholar experts have applied for a lot of patents, and technology is ripe relatively.In addition, the air-conditioning waste-heat recovery device is commercialization also, and the central air conditioner system in domestic a lot of areas all adopts central air-conditioning heat recovery system, utilizes the circulation of used heat to obtain free hot water, has not only practiced thrift the energy, and has reduced system operation cost.Above-mentioned heat recovery technology mainly is to use more large-scale system that the resource that a large amount of waste heats are arranged is used, and more complicated is inapplicable to the small-scale waste heat that thermal source disperses.
The utility model content
The utility model provides the recycling system of two kinds of discarded afterheat of hot water for solving the technical problem that exists in the known technology; Simple and the realization easily of these two kinds of systems; They utilize the additional water (feedwater) of the waste heat heat hot water supply system of the discarded hot water of hot water supply system, to reach the purpose of heat recovery.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of recycling system of discarded afterheat of hot water; It is characterized in that; Comprise water-water heat exchanger, said water-water heat exchanger is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; The discarded hot water inlet of water-water heat exchanger is connected by pipeline with discarded hot water captation outlet; The discarded hot water outlet of water-water heat exchanger is connected by pipeline with sewerage; The water-water heat exchanger cooling water inlet is connected by pipeline with running water system; The water-water heat exchanger cooling water outlet is connected by pipeline with heater storage tank water inlet; Heater storage tank delivery port is connected by pipeline with water device water inlet.
On the pipeline that connects said running water system and said water-water heat exchanger cooling water inlet, also be connected with the branch road that leads to said water device.
On the pipeline that connects said water-water heat exchanger cooling water outlet and said heater storage tank water inlet, also be connected with the branch road that leads to said water device.
Another technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of recycling system of discarded afterheat of hot water; It is characterized in that; Comprise water-water heat exchanger, said water-water heat exchanger is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; The discarded hot water inlet of water-water heat exchanger is connected through pipeline with the outlet of discarded hot water captation; The discarded hot water outlet of water-water heat exchanger is connected through pipeline with sewerage; The cooling water inlet of water-water heat exchanger is connected with running water system through pipeline respectively with heater storage tank water inlet; The delivery port of the cooling water outlet of water-water heat exchanger and heater storage tank is connected through the water inlet of pipeline with the water device respectively.
Advantage and the good effect that the utlity model has are: through increasing a water-water heat exchanger, utilize the feedwater heating of the waste heat of the discarded draining of hot water supply system with hot water supply system, thereby reached the purpose of energy savings.And can reduce the overall volume of the capacity and the high temperature storage tank of electric heater, saving takes up room, and the space utilization of integral body is played a key effect.The utility model not only can be applied in the large scale system, can also be applied in the mini-system, those is seemed unserviceable waste heat be used, and takes care of the pence energy savings.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3.
The specific embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
The utility model mainly is the additional water (feedwater) of waste heat heat hot water supply system that utilizes the discarded hot water of hot water supply system, to reach the purpose of heat recovery.For example; Generally speaking, it is about 40 ℃ that the water temperature of water for bathing is used in family's shower, and hot water can dissipate certain heat in the process that people have a bath; Water temperature descends to some extent; When arriving ground and be used as the waste water discharge, its temperature still likens to the temperature of the running water of feedwater is high a lot, and this point shows particularly evidently in the winter time.Therefore, the transfer of heat that can utilize a heat-exchanger rig will discard hot water is fully given feedwater.This utility model mainly contains the advantage of two aspects; At first, discarded afterheat of hot water utilization is one of means of energy savings, utilizes electrical heating directly to be heated to 40 ℃ of energy needed 1kg10 ℃ feedwater and is 126kJ; But; Afterwards give electric heater again if feedwater is heated to 25 ℃, then be heated 40 ℃ of required energy and be merely 63kJ, practiced thrift half the energy through heat-exchanger rig; Secondly, this system can reduce the requirement to the electric heater heating power, and can prolong the effective supply time of hot water.Because when using hot water, the storage tank of electric heater is constantly injected in the feedwater that the relative temperature of utilizing waste heat to heat is higher, under the certain condition of heater power, the water in the storage tank can satisfy water supply requirement in a long time.
Embodiment 1:
See also Fig. 1, a kind of recycling system of discarded afterheat of hot water comprises water-water heat exchanger 2, and water-water heat exchanger 2 is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; Water-water heat exchanger 2 discarded hot water inlets are connected through pipeline with the outlet of discarded hot water captation 5; Water-water heat exchanger 2 discarded hot water outlets are connected through pipeline with sewerage; Water-water heat exchanger 2 cooling water inlets are connected through pipeline with running water system; Water-water heat exchanger 2 cooling water outlets are connected through pipeline with the water inlet of heater storage tank 1; The delivery port of heater storage tank 1 is connected through pipeline with the water inlet of water device 6.On the pipeline that connects running water system and water-water heat exchanger 2 cooling water inlets, also be connected with towards the branch road of water device 6.
Running water as the low temperature feedwater comes out to be divided into two tributaries through valve 4-1; Water device 6 is directly sent into through triple valve 3, stop valve 4-2 in a tributary; Heater storage tank 1 is injected through triple valve 3, water-water heat exchanger 2, stop valve 4-3 in another tributary; The high temperature that heater storage tank 1 comes out supplies water and directly sends into water device 6 through valve 4-4, mixes with the low temperature feedwater, regulates the feedwater that reaches the temperature of satisfying the demand and supplies the user to use.Meanwhile, the hot water after the use collects the running water of sending into water-water heat exchanger 2 and flowing through water-water heat exchanger 2 through captation 5 and carries out heat exchange, discharges then and gets into sewerage; The running water that has been heated flows out water-water heat exchanger 2 and injects heater storage tanks 1 and heat; So back and forth, running water constantly obtains the heat of discarded hot water via water-water heat exchanger.This enforcement is the low temperature after heating through water-water heat exchanger to be fed water directly inject the heater storage tank, mixes with running water behind the heat temperature raising once more, regulates to reach the water temperature confession user use of satisfying the demand.
Embodiment 2:
See also Fig. 2, a kind of recycling system of discarded afterheat of hot water comprises water-water heat exchanger 2, and water-water heat exchanger 2 is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; Water-water heat exchanger 2 discarded hot water inlets are connected through pipeline with the outlet of discarded hot water captation 5; Water-water heat exchanger 2 discarded hot water outlets are connected through pipeline with sewerage; Water-water heat exchanger 2 cooling water inlets are connected through pipeline with running water system; Water-water heat exchanger 2 cooling water outlets are connected through pipeline with the water inlet of heater storage tank 1; The delivery port of heater storage tank 1 is connected through pipeline with the water inlet of water device 6.On the pipeline that connects water-water heat exchanger 2 cooling water outlets and heater storage tank 1 water inlet, also be connected with towards the branch road of water device 6.
Running water as the low temperature feedwater comes out to send into water-water heat exchanger 2 through valve 4-1; Carry out heat exchange with the hot water that flows through water-water heat exchanger 2 by after the captation 5 collected uses; Hot water after the cooling is discharged water-water heat exchanger 2 and is got into sewerage then; Running water is divided into two tributaries after flowing out water-water heat exchanger 2; Feed water as low temperature through triple valve 3, stop valve 4-2 and directly send into water device 6 in a tributary, heat through triple valve 3, stop valve 4-3 injection heater storage tank 1 in another tributary again, and the high temperature that the heater storage tank comes out supplies water and sends into water device 6 through valve 4-4; Mix with the low temperature feedwater, regulate the feedwater that reaches the temperature of satisfying the demand and supply the user to use.So back and forth, running water constantly obtains the heat of discarded hot water via water-water heat exchanger.Present embodiment is with directly injecting the heater storage tank through the feedwater of the low temperature after a water-water heat exchanger heating part, heat temperature raising once more, and a part is used for mixing with high-temperature water from the heater storage tank, regulates to reach the water temperature confession user use of satisfying the demand.
Embodiment 3:
See also Fig. 3, a kind of recycling system of discarded afterheat of hot water comprises water-water heat exchanger 2, and water-water heat exchanger 2 is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; The discarded hot water inlet of water-water heat exchanger 2 is connected through pipeline with the outlet of discarded hot water captation 5; The discarded hot water outlet of water-water heat exchanger 2 is connected through pipeline with sewerage; The cooling water inlet of water-water heat exchanger 2 is connected with running water system through pipeline respectively with heater storage tank 1 water inlet; The delivery port of the cooling water outlet of water-water heat exchanger 2 and heater storage tank 1 is connected through the water inlet of pipeline with water device 6 respectively.
Running water as the low temperature feedwater comes out to be divided into two tributaries through valve 4-1, and water device 6 is sent into through triple valve 3, water-water heat exchanger 2, stop valve 4-2 in a tributary; In water-water heat exchanger 2; The running water that flows through water-water heat exchanger 2 carries out heat exchange with the hot water by after the captation 5 collected uses that flows through water-water heat exchanger 2 and promotes its temperature, and the discarded hot water after the cooling is discharged water-water heat exchanger 2 and got into sewerage simultaneously; Another tributary is injected heater storage tank 1 through triple valve 3, stop valve 4-3 and is heated by heater; The high temperature that heater storage tank 1 comes out supplies water and directly sends into water device 6 through valve 4-4; Mix with running water feedwater, regulate the feedwater that reaches the temperature of satisfying the demand and supply the user to use through water-water heat exchanger 2 heating.So back and forth, running water constantly obtains the heat of discarded hot water via water-water heat exchanger.Present embodiment is that the feedwater of the low temperature after heating high-temperature water direct and from the heater storage tank is mixed, and adjusting reaches the water temperature of satisfying the demand and supplies the user to use.
The operation principle of the utility model is: will discard the side that hot water feeds water-water heat exchanger; And the opposite side of heat exchanger feeds the feedwater of hot water supply system; Utilize the low temperature feedwater of the waste heat heat hot water supply system of discarded hot water; Feed temperature is raise, and then it is sent into the heater storage tank heat, perhaps directly be used with cold water as temperature adjustment.Heat owing to low temperature being fed water, make it, therefore, reduced the demand that heater is added heat, reached the purpose of saving energy more near the temperature of hot-water supply through waste heat.Water-water heat exchanger can adopt reverse-flow double-tube heat exchanger, and the discarded hot water of outflow is managed in stream low temperature feedwater in the pipe, utilizes the heat running water of discarded hot water, so constitutes the recycle of heat.Equally, water-water heat exchanger also can adopt shell-and-tube heat exchanger, stream low temperature feedwater in the pipe, the discarded hot water of stream in the shell.For example; Such system just can be installed in Household bathroom the inside, heat exchanger is placed bottom the bathroom, when people when having a bath; Utilize discarded water for bathing to add hot tap-water through heat-exchanger rig, the running water after will heating up then injects the heater storage tank and heats.
The transfer of the utility model heat realizes through increasing a water-water heat exchanger.That is, low temperature feedwater and hot waste water are fed the both sides of a water-water heat exchanger respectively, make both carry out heat exchange, thus the recovery and reuse of realization waste heat.Such water-water heat exchanger can adopt double pipe heat exchanger or shell-and-tube heat exchanger or the like, can be directly installed between feedwater and the storage tank, and the structure that need not change any equipment, and also floor space is less.To pass through the low temperature feedwater heating of heat exchanger through the discarded hot water of heat exchanger, and inject the heater storage tank then or mixes as producing or the living water use with high-temperature water from the heater storage tank.So both saved energy, saved the volume (, then can prolong the service time of hot water) of heater storage tank again if do not change heater storage tank volume.If with this system applies bathroom in the family, then can prolong the water supply time of one-time heating, make and the bathing water amount that only reaches two people originally can satisfy three people's bathing requirement.If this system applies to large-scale bathroom or bath center, can be reduced the capacity requirement to heater, reduce the initial cost cost, be in operation simultaneously and can save mass energy, reduce operating cost.
Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
Claims (4)
1. the recycling system of a discarded afterheat of hot water is characterized in that, comprises water-water heat exchanger, and said water-water heat exchanger is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; The discarded hot water inlet of water-water heat exchanger is connected through pipeline with discarded hot water captation outlet; The discarded hot water outlet of water-water heat exchanger is connected through pipeline with sewerage; The water-water heat exchanger cooling water inlet is connected through pipeline with running water system; The water-water heat exchanger cooling water outlet is connected through pipeline with heater storage tank water inlet; Heater storage tank delivery port is connected through pipeline with water device water inlet.
2. the recycling system of discarded afterheat of hot water according to claim 1 is characterized in that, on the pipeline that connects said running water system and said water-water heat exchanger cooling water inlet, also is connected with the branch road that leads to said water device.
3. the recycling system of discarded afterheat of hot water according to claim 1 is characterized in that, on the pipeline that connects said water-water heat exchanger cooling water outlet and said heater storage tank water inlet, also is connected with the branch road that leads to said water device.
4. the recycling system of a discarded afterheat of hot water is characterized in that, comprises water-water heat exchanger, and said water-water heat exchanger is provided with discarded hot water inlet, discarded hot water outlet, cooling water inlet and cooling water outlet; The discarded hot water inlet of water-water heat exchanger is connected through pipeline with the outlet of discarded hot water captation; The discarded hot water outlet of water-water heat exchanger is connected through pipeline with sewerage; The cooling water inlet of water-water heat exchanger is connected with running water system through pipeline respectively with heater storage tank water inlet; The delivery port of the cooling water outlet of water-water heat exchanger and heater storage tank is connected through the water inlet of pipeline with the water device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237324 CN202613826U (en) | 2012-05-23 | 2012-05-23 | Recycling system of waste heat of waste hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237324 CN202613826U (en) | 2012-05-23 | 2012-05-23 | Recycling system of waste heat of waste hot water |
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| Publication Number | Publication Date |
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| CN202613826U true CN202613826U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220237324 Expired - Fee Related CN202613826U (en) | 2012-05-23 | 2012-05-23 | Recycling system of waste heat of waste hot water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827448A (en) * | 2019-03-04 | 2019-05-31 | 李智英 | A kind of sanitary wastewater heat reclaim unit |
| CN110108144A (en) * | 2019-05-16 | 2019-08-09 | 李永清 | A kind of bigeminy waste heat recovery of circulatory system |
| CN111306960A (en) * | 2020-02-12 | 2020-06-19 | 江南造船(集团)有限责任公司 | Ship waste heat utilization device and using method |
-
2012
- 2012-05-23 CN CN 201220237324 patent/CN202613826U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827448A (en) * | 2019-03-04 | 2019-05-31 | 李智英 | A kind of sanitary wastewater heat reclaim unit |
| CN110108144A (en) * | 2019-05-16 | 2019-08-09 | 李永清 | A kind of bigeminy waste heat recovery of circulatory system |
| CN111306960A (en) * | 2020-02-12 | 2020-06-19 | 江南造船(集团)有限责任公司 | Ship waste heat utilization device and using method |
| CN111306960B (en) * | 2020-02-12 | 2021-05-11 | 江南造船(集团)有限责任公司 | Ship waste heat utilization device and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20180523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |