CN207279962U - waste heat recycling system - Google Patents
waste heat recycling system Download PDFInfo
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- CN207279962U CN207279962U CN201721350715.5U CN201721350715U CN207279962U CN 207279962 U CN207279962 U CN 207279962U CN 201721350715 U CN201721350715 U CN 201721350715U CN 207279962 U CN207279962 U CN 207279962U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The utility model discloses a kind of waste heat recycling system, which includes：For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；The water outlet is connected with hot water outlet pipe；The first waste heat recovery portion with entrance and exit, the entrance are used to be used as tap water water inlet end, and the outlet can be used to exporting the warm water when tap water flows through the first waste heat recovery portion and after wastewater heat exchange；The heating system that can be heated at least part warm water of the outlet outflow, the heating system are connected with the water inlet；The Flow distributing element being arranged on the hot water outlet pipe；The Flow distributing element has the mixed mouth of a river connected with the outlet or tap water water inlet end.The utility model can adapt to the actual change operating mode of complexity automatically so that system starts and stable and reliable operation, while solves output water temperature fluctuation problem, greatly improves the usage experience of user.
Description
Technical field
It the utility model is related to waste water residual heat recovery technology field, more particularly to a kind of waste heat recycling system.
Background technology
As energy conservation and environmental protection theory is increasingly taken seriously, waste water residual heat recovery technology is wrapped extensively using to every field
Include daily life field and field of industrial production.
In daily life field, by taking the waste water that shower produces as an example, before not being improved, these temperature are higher
Waste water is all introduced directly into sewer and discharges, that is to say, that contains substantial amounts of waste heat in the spent hot water discharged during shower also just
It is wasted.For the heat recovery to waste water caused by shower, also provided in currently available technology some
The technical solution of the device of waste water residual heat recycling is installed in water heater, to recycle the waste heat in waste water, reaches the mesh of energy-saving and emission-reduction
's.
Wherein, Chinese patent specification CN203349509U provides a kind of spent hot water's afterheat recovery type heat of electrified heating
Pump water heater, as shown in Figure 1, the water heater has the multiple function of recovering waste heat of hot water for shower, it mainly includes：By compressor 1,
The closure heating circuit that condenser 2, throttle valve 3 and evaporator 4 are formed, further include the water tank 5 of Teat pump boiler, collect it is useless
The header tank 6 of hot water and the heat exchanger 7 being serially connected in the running water inlet channel of water tank 5, wherein condenser 2 are installed on
In water tank 5, heat exchanger 7 and evaporator 4 are from top to bottom sequentially arranged in header tank 6, are also equipped with the water tank 5
Electric heater 8.The header tank 6 is installed on the bottom in bathroom.
When starting shower, Teat pump boiler work, for hot water after the ejection of shower bath 9, the spent hot water of generation is flowed to collection
Exchange heat first with the tap water in heat exchanger 7 in water tank 6.Wherein, into the first via tap water quilt of the heat exchanger 7
After spent hot water's preheating, the cold water port of the water mixing valve of shower bath 9 is entered by pipeline.
The spent hot water flows through evaporator 4 after heat exchanger 7 absorbs waste water residual heat, with the refrigerant in 4 pipeline of evaporator
Exhausted after carrying out heat exchange.The second road tap water being preheated after over-heat-exchanger 7 carries out heat exchange with condenser 2, reaches
, can be with entering the first via of cold water port certainly into the hot water port of 9 water mixing valve of shower bath to after preset heating temperature
Water gushes out after converging from shower bath 9.
On the whole, above-mentioned Teat pump boiler simply make use of merely spent hot water to carry out the low temperature tap water of entrance once pre-
Heat and to after once being preheated hot tap-water to be added carry out secondary preheating, not with reference to the actual change of Teat pump boiler complexity
Start building condition, including tap water hydraulic fluctuation, compressor cold start-up etc. are made it may be further contemplated, in residual neat recovering system, at present
Aided in more using huge tanks, do not coordinate tap water pre- using evaporator with heat pump under operation in real process
The two-stage afterheat recovery system of thermosetting possesses straight thermal property.On the whole, current Teat pump boiler in use, can not also gram
It is excessive to take compressor start load, causes leaving water temperature to fluctuate under the influence of power condition changing, compressor operating is unstable etc. asks
Topic.This not only have impact on the reliability of Teat pump boiler in itself, while also reduce the usage experience of user.
Therefore, it is necessary to for produced problem in the prior art, there is provided a kind of waste heat recycling system and its control
Method, can adapt to the actual change operating mode of complexity automatically so that system starts and stable and reliable operation, while solves water outlet water
Warm fluctuation problem, greatly improves the usage experience of user.
Utility model content
The purpose of this utility model is to provide a kind of waste heat recycling system, can adapt to compressor start state automatically
Load excessive, the adjust automatically operating mode in complicated actual motion so that system starts and stable and reliable operation, while solution has decided
Water fluctuating temperature problem, greatly improves the usage experience of user.
The above-mentioned purpose of the utility model can be realized using following technical proposal：
A kind of waste heat recycling system, including：
For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；It is described
Water outlet is connected with hot water outlet pipe；
The first waste heat recovery portion with entrance and exit, the entrance are used to be used as tap water water inlet end, the outlet
Can be used to exporting when the tap water flows through the first waste heat recovery portion with the warm water after wastewater heat exchange；
Can to the heating system that be heated of at least part warm water of the outlet outflow, the heating system with it is described enter
The mouth of a river is connected；
The Flow distributing element being arranged on the hot water outlet pipe；The Flow distributing element have with it is described outlet or
The mixed mouth of a river of tap water water inlet end connection.
Further, the hot water output device is the water tank for being provided with heating element, and the hot water output device is to set
It is equipped with the water tank of heating element.
Further, the waste heat recycling system, further includes water mixing valve, and the water mixing valve, which has, to be used for into hot water
Hot water inlet and for the cooling water inlet into tap water, the water outlet of the hot water outlet pipe and the hot water inlet of the water mixing valve
It is connected.
Further, the form of the heating system include it is following in any one：Electrical heating, gas heating, heat pump.
Further, the heating system is heat pump system, and the heat pump system includes：The steaming connected by refrigerant pipeline
Device, compressor, condenser are sent out, wherein, the condenser is used to heat at least part water of the outlet outflow, described
Evaporator is as the second waste heat recovery portion.
Further, the first waste heat recovery portion is at least partially disposed at the upstream in the second waste heat recovery portion, prior to
The second waste heat recovery portion and wastewater heat exchange.
Further, the water tank and the compressor are located in same housing.
Further, the volume of the water tank is：8 rise to 20 liters.
Further, the water outlet is arranged on the tank top, and the water inlet is arranged on the side wall of the water tank
On, the height of the water inlet to the water outlet and the height ratio scope of the water outlet to the water tank bottom are 1/3-
1/2。
Further, the Flow distributing element for water temperature be controlled electronically or Mechanical course threeway part, the threeway
Component includes temperature-sensitive portion, and the temperature-sensitive portion passes through the hot water output device output water temperature or the Flow distributing element water outlet
Water temperature, automatic distribution export the water flow for entering the heating system from the first waste heat recovery portion and flow into the threeway portion
The water flow of part.
Further, the first waste heat recovery portion outlet by shunt connector respectively with the Flow distributing element
The mixed mouth of a river is connected with heating system.
The technical solution provided by above the application embodiment is as it can be seen that by setting the hot water with pooling feature to export
Device, Flow distributing element is set in its water outlet position, and the first waste heat recovery portion can be preheated extremely in the connection of its water outlet
The heating system that small part warm water is heated, in use, the Flow distributing element can be adjusted in real time, ensures to enter described add
Water in hot systems is in demand the state of adjust automatically, and system relies on the first waste heat recovery portion and heated for entering
Water temperature in system is ensured, especially when the heating system thermal output load has maximum, it is ensured that system has
There is the characteristic of directly-heated output hot water.
When the heating system is heat pump system, in startup stage, the hot water output device is described as hot water source
Flow adjustment element adjust automatically enters the just gentle of heating system in the water guarantee system in heating system and starts；Exchanging work
During condition, such as when water pressure fluctuations cause changes in flow rate, can the hot water output device as buffer container, it is of short duration to maintain compression
Machine running frequency, then the water flow in heating system that is adjusted into by Flow distributing element, coordinate adjustment compressor operating frequency
Rate, with alloing whole heat pump system water route and coolant loop can stable operation provide a user thermostatted water hot water, carry significantly
The usage experience of high user, certain system can also be realized by invariable frequency compressor, can by the introducing of Flow distributing element
Be always ensured that heat pump system output water temperature it is higher (starting state compressor output load a small amount of water can be rapidly heated to
Maximum temperature, is realized and hot water output device coordinates the quick function of recovering hot water).
Further, can be shunted from the warm water of the outlet outflow in the first waste heat recovery portion, a part of warm water of outflow into
Enter heating system and carry out reheating, another part warm water enters the mixed mouth of a river and the hot water output device water outlet of Flow distributing element
The hot water of mouthful outflow is mixed, so that waste heat of maximum the restrictions degree ground in utilization waste water, reduces the energy consumption of system.
Brief description of the drawings
Fig. 1 is a kind of spent hot water's hot-pump water heater with waste-heat recovery structure diagram of electrified heating in the prior art；
Fig. 2 is the structure diagram for the waste heat recycling system that one embodiment of the application provides；
Fig. 3 is the structure diagram for the waste heat recycling system that the application another embodiment provides；
Fig. 4 is the step flow chart of the control method for the waste heat recycling system that one embodiment of the application provides.
Description of reference numerals：
Hot water output device 1；Water tank 11；Heating element 12；Water inlet 13；Water outlet 14；Hot water outlet pipe 2；More than first
Heat recovery section 3；Entrance 31；Outlet 32；Heating system 4；Second waste heat recovery portion 40；Compressor 41；Condenser 42；Assignment of traffic
Element 5；The mixed mouth of a river 50；Water mixing valve 6；Cooling water inlet 61；Hot water inlet 62；Three-way connection 7；Tap water water inlet end A.
Embodiment
Below in conjunction with the drawings and specific embodiments, elaborate to the technical solution of the utility model, it should be understood that this
A little embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model, read the utility model it
Afterwards, modification of the those skilled in the art to the various equivalent forms of the utility model each falls within the application appended claims and is limited
In fixed scope.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " on ",
" under ", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The normally understood implication of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
For water heater, when carrying out heated in real-time to the water flowed into from tap water supply end and exporting in real time, its
Actual condition is complex, how to ensure in actual use, particularly startup stage heating system, such as compress function
With preferable rate-adaptive pacemaker, so that on the premise of stable and reliable operation, the efficiency of heating surface is saved, can be provided to the user all the time pre-
The hot water of constant temperature degree is the target that water heater is pursued.
The utility model provides a kind of waste heat recycling system, can adapt to the actual change operating mode of complexity automatically, make
The system of obtaining starts and stable and reliable operation, while solves output water temperature fluctuation problem, greatly improves the usage experience of user.
Fig. 2 and Fig. 3 are referred to, a kind of waste heat recycling system provided in the application embodiment can include：With
In the hot water output device 1 of output hot water, the hot water output device 1 is provided with water inlet 13 and water outlet 14；The water outlet
Mouth 14 is connected with hot water outlet pipe 2；The first waste heat recovery portion 3 with entrance 31 and outlet 32, the entrance 31 are used for conduct
Tap water water inlet end A, the outlet 32 can be used to export when the tap water flows through the first waste heat recovery portion 3 to be changed with waste water
Warm water after heat；The heating system 4 that at least part warm water of the outflow of outlet 32 can be heated, the heating system 4
It is connected with the water inlet 13；The Flow distributing element 5 being arranged on the hot water outlet pipe 2；The Flow distributing element 5
With the mixed mouth of a river 50 connected with 32 or tap water water inlet end A of the outlet.
In the present embodiment, 1 one side of hot water output device is used to export hot water, on the other hand hot water output
Device 1 has the water tank 11 for being used for storing a small amount of hot water.Specifically, the hot water output device 1 can be with heating function
Hot water generating machine.Certainly, hot water output device 1 can also be connected with thermal water source, and hot water is provided it by thermal water source.
When the hot water output device 1 has heating function, the hot water output device 1 can be the water for being provided with heating element 12
Case 11.Wherein, the heating element 12 can be electrically heated rod, and certainly, the hot water output device 1 can also be other shapes
Formula.The heating element 12 can also be other forms, such as solar energy heating, and air can exchange heat etc., specific the application
Specific limit is not made herein.The water tank 11 can be in the hollow cylindrical of rule, and certainly, the water tank 11 can also be
Other structures, the application do not make specific limit herein.
Water inlet 13 and water outlet 14 are provided with the hot water output device 1.Wherein, the water outlet 14 is used for heat
Water outlet pipe 2 provides hot water, and the water inlet 13 can be connected by pipeline heating system 4, receive heated system 4 and heat
Water.When the hot water output device 1 is to be provided with the water tank 11 of heating element 12, correspondingly, the water outlet 14 can be with
The top of the water tank 11 is arranged on, can be specifically the position of the roof or close roof that are arranged on the water tank 11, with
Just the higher water of 11 middle and upper part temperature of water tank is exported.The water inlet 13 can be arranged on the side wall of the water tank 11, place
In the middle and upper part of the water tank 11.
In the present embodiment, the first waste heat recovery portion 3 is used to circulate feeds waste heat time from tap water water inlet end A
Receive the tap water using system.The first waste heat recovery portion 3 is used for as certainly with entrance 31 and outlet 32, the entrance 31
Water water inlet end A, the outlet 32 can be used to exporting when the tap water flows through the first waste heat recovery portion 3 and wastewater heat exchange
Warm water afterwards.
In the present embodiment, after the heating system 4 can be used for flowing through the preheating of the first waste heat recovery portion 3
The heating system 4 that at least part warm water is heated.Specifically, as shown in Fig. 2, from the outlet in the first waste heat recovery portion 3
The warm water being preheated of 32 outflows can be divided into two-way, wherein, heated all the way into the heating system 4.Implement in Fig. 2
In mode, in some cases, such as when water temperature in water tank 11 is relatively low, it is also possible to from going out for the first waste heat recovery portion 3
The warm water being preheated of the outflow of mouth 32 fully enter heating system 4 and are heated.In addition, as shown in figure 3, from first waste heat
The warm water by waste heat that the outlet 32 of recoverer 3 is flowed out can fully enter the heating system 4 and be heated.
Wherein, the form of the heating system 4 can include it is following in any one：Electrical heating, gas heating, heat
Pump.When the heating system 4 is electrically heated form, the component of its core can include：Electrically heated rod.When the heating system
When system 4 is the form of gas heating, its core component can include：Burner and heat exchanger.The heating system 4 is heat pump
During form, its core component can include：Evaporator, compressor 41, condenser 42.Certainly, which can also include
Other supporting components, such as throttling arrangement for adjusting cold medium flux etc..
In the present embodiment, mainly it is illustrated using the preferable heat pump of energy saving as heating system 4, other add
Refer to the being adapted to property of form of hot systems 4 form of heat pump.
When the heating system 4 is the form of heat pump, the heat pump system can include：Connected by refrigerant pipeline
Evaporator, compressor 41, condenser 42.Wherein, the condenser 42 be used for it is described outlet 32 outflow at least part water into
Row heating.The evaporator is as the second waste heat recovery portion 40, the warm water that make use of first order waste heat recovery portion 3 to preheat at this time,
Maximum load is exported with reference to Teat pump boiler, directly-heated heating effect is produced as far as possible in stable operation stage.When waste water is directed to
During evaporator, evaporator can absorb the heat in waste water.
In one embodiment, the first waste heat recovery portion 3 is at least partially disposed at the second waste heat recovery portion 40
Upstream, prior to the second waste heat recovery portion 40 and wastewater heat exchange.
In the present embodiment, since the internal circulation in the first waste heat recovery portion 3 is tap water, and described second
Circulation is refrigerant in heat pump system in waste heat recovery portion 40, the temperature of the temperature of refrigerant well below tap water.Namely
Say, tap water and the waste water temperature difference are smaller, and refrigerant and the waste water temperature difference are big, and the ability of refrigerant heat absorption is far longer than water.In order to ensure
Tap water in first waste heat recovery portion 3 can be absorbed to the heat in waste water, and at least part circulation is had the first of tap water
Waste heat recovery portion 3 is arranged on the upstream in the second waste heat recovery portion 40.When the heat of waste water is by the first waste heat recovery portion 3
In tap water sponge a part of heat after, can also be further by the second waste heat when flowing through the second waste heat recovery portion 40
Refrigerant heat absorption in recoverer 40.
In the present embodiment, the evaporator of the heat pump is as the second waste heat recovery portion 40, the second waste heat recovery portion
40 can be the form of heat exchange coil.The form in the first waste heat recovery portion 3 can be with the form in the second waste heat recovery portion 40
It is similar, it is the form of heat exchange coil, to increase heat exchange area, improves heat transfer effect.Generally, the waste heat recycling system
The lower section of wastewater outlet can be provided with drip tray.The waste water that wastewater outlet flows out can be imported into first by the drip tray
In 3 and second waste heat recovery portion 40 of waste heat recovery portion.Such as the scene of shower, it can set and connect in the lower section of shower
Water pond.The waste water that shower flows out can be imported into the first waste heat recovery portion 3 and the second waste heat recovery portion 40 by the drip tray.Institute
The tail end for stating the first waste heat recovery portion 3 can be mutually close with the head end in the second waste heat recovery portion 40, both at grade according to
Secondary arrangement.In addition, the first waste heat recovery portion 3 and the second waste heat recovery portion 40 can also partial intersection, for example, the first waste heat recovery
Portion 3 is furnished with the heat exchanger tube of 40 head end of the second waste heat recovery portion by staggered row between the heat exchanger tube of caudal part.
In the present embodiment, the Flow distributing element 5 can automatically adjust the hot water of inflow and the ratio of warm water, make
Healed water flow in heating circuit is obtained to be in operating mode and specific aim change.Specifically, the Flow distributing element 5 is water temperature
The threeway part of electronic control or Mechanical course.For example, the threeway part includes temperature-sensitive portion.The temperature-sensitive portion passes through the heat
5 output water temperature of 1 output water temperature of water output device or the Flow distributing element, it is automatic to distribute from the first waste heat recovery portion
3 outlets 32 enter the water flow of the heating system 4 and flow into the water flow of the threeway part.Wherein, the assignment of traffic
Element 5 can also be electrically connected with controller, can be stored with the controller for contrasting benchmark with the temperature-sensitive portion
Target temperature.Temperature-sensitive portion is by measuring the actual temperature obtained compared with the target temperature, to distribute from described more than first
The outlet of heat recovery section 3 32 enters the water flow of the heating system 4 and flows into the water flow of the threeway part.The controller
The target temperature can be adaptively adjusted with the change of ambient temperature or corresponding different environment temperature is set
Multiple target temperatures, corresponding different environment temperature, Flow distributing element 5 can export matched temperature, so as to improve system
It is intelligent, improve the usage experience of user.Specifically, working as in environment temperature relatively low winter, which can be set
Surely it is of a relatively high；When in environment temperature higher summer, target temperature being set relatively low.
In one embodiment, the waste heat recycling system can also include water mixing valve 6, and the water mixing valve 6 has
Be useful for into the hot water inlet 62 of hot water and for the cooling water inlet 61 into tap water, the water outlet of the hot water outlet pipe 2 with
The hot water inlet 62 of the water mixing valve 6 is connected.
In practical application, the output terminal of the water mixing valve 6 is used to be connected with water terminal.For example, under the scene that takes a shower,
Water mixing valve 6 can be to be connected with shower, for controlling the adjusting of the break-make of current and output water temperature at shower.Specifically, should
Water mixing valve 6 can be the valve adjusted manually, it, which has, is used for into the hot water inlet 62 of hot water and for the cold water into tap water
Import 61, the water outlet of the hot water outlet pipe 2 are connected with the hot water inlet 62 of the water mixing valve 6.User is in use, can be with
According to the actual requirements, the water mixing valve 6 is adjusted, changes the aperture of hot water inlet 62 and cooling water inlet 61, adjusting water outlet water temperature.When
So, the form of the water mixing valve 6 can also be other forms, specifically, the application does not make specific limit herein.
In the present embodiment, it is first with heat pump system and assignment of traffic when the water tank 11 of the hot water output device 1 uses
Part 5 coordinates, for as the buffer container for alleviating leaving water temperature fluctuation.In system start-up phase, in order to ensure heat pump system
Normal operation, the compressor 41 of heat pump system cannot be started with excessive load.If compressor 41 (fixed frequency or frequency conversion pressure
Contracting machine) instantaneous load is excessive, 41 operation irregularity of compressor is may result in, for instance in stoppage protection state.That is,
System start-up phase, 41 Optimum Operation of compressor are smaller for the load of output.At this time, when enter heat pump system in water flow compared with
When big, generally the water for flowing into heat pump system can not be heated to user's design temperature.At this time, 1 conduct of hot water output device
Thermal water source, by taking water tank 11 as an example, 11 internal hot-water temperature of water tank is higher at this time, and Flow distributing element 5 can be by greater flow
Water directly exports hot water with water tank 11 and mixes, and then the water flow entered in heat pump system is smaller, heat pump system in guarantee system
Compressor 41 can be with relatively low load soft start, while maximum temperature hot water can be inputted into water tank 11 again, ensured quick
Recover the effect of 11 water temperature of water tank, user, which supplies water, also easily reaches the water of user's design temperature.After a period of time has been run, heat
After pumping system is transitioned into normal operating condition from startup stage, the rise of 41 operating load of compressor, heat pump system possesses stronger
Heating efficiency.Heat pump system is as the main heat source for providing hot water at this time, and the water temperature in water tank 11 reduces, the assignment of traffic member
Part 5 mixes the water flow of water by reducing automatically according to water temperature into Flow distributing element 5, and then enters the water flow in heat pump system
It will increase, heat pump system realizes the effect of directly-heated output hot water, and whole system can stably provide a user what is met the requirements
Hot water.In addition, in system operation, to cause fluctuating temperature larger if there are water pressure fluctuations or the exception of compressor 41,
At this time, just enter hot water outlet pipe 2 after flowing through the water tank 11 due to the water of heat pump system heating, front and rear can there will be temperature
The water temperature of difference exports after being mixed.To sum up, in this waste heat recycling system, by two-stage waste heat recovery portion and heat
Pumping system condenser 42 coordinates, and stable operation stage system can reach the effect of directly-heated output hot water, and the water tank 11 is main
As the thermal water source of startup stage, the follow-up operation stage, and need not be in water tank 11 mainly as the buffer container of fluctuating temperature
In or water tank 11 on condenser is set again.Therefore, the volume of the water tank 11 can be configured relatively small.It is specifically, described
The volume of water tank 11 can be：8 rise to 20 liters.Relative in the prior art, the water tank 11 in water heater is generally more than 50 liters
When, the overall volume of system can be substantially reduced, reduces installation space.
In one embodiment, the water tank 11 and the compressor 41 are located in same housing.Generally, in order to right
The water being heated in water tank 11 carries out insulation, and shell, the shell and the water tank 11 are provided with the outside of water tank 11
Between be provided with insulating layer.When the compressor 41 and the water tank 11 are located in same housing, the compressor 41 works
Caused noise can be absorbed with insulation layer, and the water tank 11 also constitutes noise transmission with the water inside water tank 11 in addition
Buffer element on path, can also absorb 41 noise of compressor.For waste heat recycling system, its position installed
In the family much contributed to, in use, when the noise of compressor 41 is smaller, be very beneficial for raising user uses body
Test.
In one embodiment, the water inlet 13 is to height and the water outlet 14 of the water outlet 14 to described
The height ratio of 11 bottom of water tank may range from 1/3-1/2.
Generally, the water in the water tank 11, in heating process, water temperature is along gravity direction layer distributed and gradually drops
It is low.And heat pump system startup stage, 41 frequency of compressor are relatively low, heat pump system heating capacity is weaker, after heat pump system heats
The general temperature of water into water tank 11 is relatively low, if water inlet 13 set it is excessive, can cause from water outlet 14 flow out water
Temperature is too low.When in operational process, if heat pump system exception occurs or tap water hydraulic fluctuates, equally existing from warp
Enter the relatively low situation of the coolant-temperature gage of water tank 11 after heat pump system heating, at this time, be also not suitable for setting water inlet 13 excessive.This
Outside, when the higher hot water of the temperature in operational process, stored originally in water tank 11 has been consumed, the water temperature in water tank 11 at this time
When degree already close to the design temperature of user, may be even lower than the design temperature of user.And at the same time, heating system 4 is just
Often operation, heating capacity is preferable, can provide temperature higher hot water to water tank 11.In these cases, if water inlet 13
Set too low, then the higher water of temperature can flow into the bottom of water tank 11, can not preferably improve the output water temperature of water outlet 14.
To sum up, the position of water inlet 13 needs to be arranged on rational position, just can guarantee that the stable operation of system, remains preferable
Output water temperature.
Referring to Fig. 2, in one embodiment, the outlet 32 in the first waste heat recovery portion 3 passes through shunt connector point
It is not connected with the mixed mouth of a river 50 of the Flow distributing element 5 and heating system 4.
In the present embodiment, the tap water being preheated that the outlet 32 in the first waste heat recovery portion 3 is flowed out can divide
For two-way, it is further heated all the way into the mixed mouth of a river 50 of Flow distributing element 5, another way into heating system 4.Wherein,
The shunt connector can be the form of three-way connection 7, which there is the outlet 32 with the first waste heat recovery portion 3 to connect
The water inlet connect, and the first water outlet connected for the mixed mouth of a river 50 with Flow distributing element 5, for being with the heating
Second water outlet of the connection of system 4.After the tap water warm water heated by the first waste heat recovery portion 3 flows through three-way connection 7, match somebody with somebody
Flow distributing element 5 is closed, the tap water after can will heat up distributes automatically, all the way into the mixed mouth of a river 50 of Flow distributing element 5,
Exported after being mixed with the water of 1 water outlet 14 of hot water output device outflow, it is remaining to be risen again into heating system 4 all the way
Temperature, can reach energy saving to greatest extent.In present embodiment, the first waste heat recovery portion 3 and more than second in heat pump system
Heat recovery section 40 can cooperate, and realize energy saving to greatest extent.
In the prior art, although Preliminary Exploitation has been carried out in the waste water produced to shower, the technological means used
Mainly：The waste water produced using shower preheats tap water, and the refrigerant in evaporator 4 is preheated.Subsequently
The tap water being preheated enters the cold water port of shower bath 9 by cold water pipeline；In addition passed through all the way by the tap water of waste heat
Hot water road pipeline, which enters in water tank 5, to be heated, and subsequently enters back into the hot water port of shower bath 9.Due in the prior art,
Cold water pipeline and hot water line are mutually independent, only to user terminal location, i.e., until just being converged at shower bath 9
Close.On the one hand, when its heat pump system heats, the operating mode of complexity cannot still be overcome, it is impossible to ensure to be supplied to the water of hot water port
All the time constant value is maintained after being mixed with the water of cold water port, is maintained in other words in the less scope of fluctuation.
Further, since hot water line of the prior art does not associate with cold water pipeline independently of each other, there is no phase
Mutually coordinate, heated accordingly, with respect to can further be heated system 4 by the water of 3 waste heat of the first waste heat recovery portion in the application
Embodiment for, its utilization rate to thermal energy is relatively low, and firing rate is slower, can not also realize by starting to stable operation
Directly-heated pattern automatic conversion.
The waste heat recycling system provided in the application embodiment, by setting the hot water with pooling feature to export
Device 1, Flow distributing element 5 is set in its 14 position of water outlet, can be pre- to the first waste heat recovery portion 3 in the connection of its water outlet 14
The heating system 4 that at least part warm water of heat is heated, in use, the Flow distributing element 5 can be adjusted in real time, ensures water
Flow is according to the distribution of situation real-time monitoring.In startup stage, which is used as hot water source, adds in guarantee system
The normal gentle soft start of hot systems 4；In variable working condition, such as when water pressure fluctuations cause changes in flow rate, can the hot water it is defeated
Go out device 1 and be used as buffer container, exported after the front and rear water temperature with the temperature difference is mixed, to buffer the variation of water temperature, at the same time
Coordinate Flow distributing element 5, thermostatted water can be provided a user, greatly improve the usage experience of user.
Further, the warm water flowed out from the outlet 32 in the first waste heat recovery portion 3 can shunt, a part of warm water of outflow
Reheating is carried out into heating system 4, another part warm water enters the mixed mouth of a river 50 of Flow distributing element 5 and hot water output fills
The hot water for putting the outflow of 1 water outlet 14 is mixed, so that waste heat of maximum the restrictions degree ground in utilization waste water, reduces the energy of system
Consumption；Assignment of traffic adjustment is carried out using the warm water of the first waste heat recovery portion 3 outflow, it is possible to achieve starting stage bigger at the same time
Flow current enter Flow distributing element 5, and warm water for the treatment of further to heat as few as possible enters in heat pump system, at utmost
41 output loading of compressor when reducing startup, ensures 41 soft start of compressor, is shut down caused by without entering big load existing
As.
Referring to Fig. 4, a kind of control method of the waste heat recycling system provided in the application embodiment can wrap
Include following steps：
Step S10：Start hot water output device 1, the water in the hot water output device 1 is heated to predetermined temperature；
Step S12：Receiving with scheduled duration startup heat pump system is spaced after water signal, started with preset frequency and compressed
Machine 41, and gradually increase 41 frequency of compressor on the basis of the preset frequency.
The control method of waste heat recycling system disclosed in present embodiment, it is to combine above-mentioned heat recovery
Specific expansion after all parts in system, it can realize the above-mentioned waste heat recycling system embodiment of the application simultaneously
Reach the technique effect of device embodiments.
In the present embodiment, before the startup stage of system is entered, hot water output device 1 can be first pre-actuated, will
Water in the hot water output device 1 is heated to predetermined temperature.The predetermined temperature can according to the setting leaving water temperature of user or
Person is determined that certainly, which can also determine by other means according to the temperature stored in controller accordingly,
The application does not make specific limit herein.Generally, the predetermined temperature can be higher, the leaving water temperature of user's setting is higher by.
When being not received by with before water signal, heat pump system may be at keeping warm mode.Furthermore it is possible to by defeated in hot water
Go out set temperature detection unit in device 1, the water temperature in hot water output device 1 is detected in real time, when water temperature is less than certain temperature
When, hot water output device 1 can be started, the water of its inside is reheated.
When receive use water signal when, can be spaced scheduled duration start heat pump system, with preset frequency start compressor
41, and gradually increase 41 frequency of compressor on the basis of the preset frequency.Start since hot water output device 1 can be used as
The buffer container in stage, provides a user hot water, therefore, starts heat pump system after being spaced scheduled duration.The scheduled duration
It can be 0-10 seconds.Also, compressor 41 can be started in startup stage with relatively low frequency, follow-up gradually increase work frequency
Rate, to ensure 41 steady reliability service of compressor.Certainly, the compressor 41 described in present embodiment is (right for frequency-changeable compressor
And invariable frequency compressor coordinates Flow distributing element 5 to realize that the fast quick-recovery of hot water or system stable operation scheme can also be realized, but
It is that it relies primarily on current and the adjustment of heat source amount to realize, does not elaborate herein).
In the present embodiment, the water signal can include it is following in any one or its combination：Flow through waste heat
The water-flow signal of recoverer, the temperature signal in waste heat recovery portion, flows through the water-flow signal in the waste heat recycling system,
Or the user's open signal received.
That is, flow detection part can be set at waste heat recovery portion, when detecting in waste heat recovery portion there is current
During signal, user can be represented with water.Waste heat recovery portion described herein can include the first waste heat recovery portion 3, more than second
It is at least one in heat recovery section 40.Further, it is also possible to the set temperature detection piece at waste heat recovery portion, when detecting that waste heat returns
When having temperature change in receipts portion, user can be represented with water.In addition, for the waste heat recycling system, also may be used
With in the pipeline that current flow through set flow detection part, when having detected water-flow signal, may also indicate that user with
Water.Certainly, it can also be obtained and represented by other means with water signal, specific the application does not make specific limit herein
It is fixed.
In one embodiment, can be provided with the waste heat recycling system for detecting system current quantitative change
The flow detection unit of change, the detection unit can be by the water flow variable signal real-time Transmissions detected to controller.Work as control
Device processed judges when receiving the water flow variable signal in the waste heat recycling system：When the water flow of the system increases
When water flow that is big and flowing into heat pump system also increases, the running frequency of increase heat pump system compressor 41；When the system
Water flow reduces and the water flow of inflow heat pump system also increases hour, reduces the running frequency of the heat pump system compressor 41,
To ensure that the steady output temperature of system fluctuates small hot water.
In the present embodiment, it can be adjusted by combining mechanical structure and controller controls so that system steadily exports
The small hot water of temperature fluctuation, improves the usage experience of user.
Specifically, with reference to Fig. 2, exemplified by there is fluctuation in hydraulic pressure in use：When water flow increases, the hot water is defeated
Go out device 1 and export hot water, into the water flow of heat pump system, controller can be according to current for the increase of Flow distributing element 5
Signal, water temperature signal or at least one signal of time signal increase the running frequency of the heat pump system, the heat pump system
Export the hot water amount that bigger energy supplement recovers the hot water output device 1；The hot water output when the water flow reduces
Device 1 buffers more remaining hot waters, and the Flow distributing element 5 reduces the water flow into heat pump heating system 4, the controller according to
Reduce the running frequency of the heat pump system, institute according to the water-flow signal, water temperature signal or at least one signal of time signal
Stating the smaller energy of heat pump system output makes the hot water amount of the hot water output device 1 be unlikely to excessive.To sum up, waste heat recovery profit
It can adapt to the actual change operating mode of complexity automatically with system and its control method so that system starts and stable and reliable operation,
Output water temperature fluctuation problem is solved at the same time, greatly improves the usage experience of user.
In this application, controller can be implemented in any suitable manner.Specifically, for example, controller can be taken
Such as computer readable program code (the example that microprocessor or processor and storage can be performed by the microprocessor or processor
Such as software or firmware) computer-readable medium, logic gate, switch, application-specific integrated circuit (Application Specific
Integrated Circuit, ASIC), programmable logic controller (PLC) (Programmable Logic Controller, PLC)
With the form of embedded micro-control unit (Microcontroller Unit, MCU), the example of above-mentioned module include but not limited to
Lower micro-control unit：ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs
C8051F320.Those skilled in the art in a manner of pure computer readable program code it is to be understood that except realizing the control
, completely can be by the way that method and step be carried out programming in logic come control unit with logic gate, switch, special beyond the function of device
Identical function is realized with forms such as integrated circuit, programmable logic controller (PLC) and embedded micro-control units.
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the utility model, although the embodiment disclosed by the utility model is such as
On, but the content is only to facilitate the embodiment for understanding the utility model and using, it is new to be not intended to limit this practicality
Type.Any those skilled in the art of the present invention, are not departing from the spirit and scope disclosed by the utility model
On the premise of, any modification and change, but the patent of the utility model can be made in the formal and details of embodiment
Protection domain, must still be subject to the scope that the appended claims are defined.
Claims (11)
- A kind of 1. waste heat recycling system, it is characterised in that including：For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；The water outlet Mouth is connected with hot water outlet pipe；The first waste heat recovery portion with entrance and exit, the entrance are used to be used as tap water water inlet end, and the outlet can be used Warm water when exporting the tap water and flowing through the first waste heat recovery portion and after wastewater heat exchange；The heating system that at least part warm water of the outlet outflow can be heated, the heating system and the water inlet It is connected；The Flow distributing element being arranged on the hot water outlet pipe；The Flow distributing element is with the outlet or originally The mixed mouth of a river of water water inlet end connection.
- 2. waste heat recycling system as claimed in claim 1, it is characterised in that the hot water output device adds to be provided with The water tank of thermal element.
- 3. waste heat recycling system as claimed in claim 1 or 2, it is characterised in that further include water mixing valve, the water mixing valve With for the hot water inlet into hot water and for the cooling water inlet into tap water, the water outlet of the hot water outlet pipe with it is described The hot water inlet of water mixing valve is connected.
- 4. waste heat recycling system as claimed in claim 1 or 2, it is characterised in that the form of the heating system includes Any one in following：Electrical heating, gas heating, heat pump.
- 5. waste heat recycling system as claimed in claim 1 or 2, it is characterised in that the heating system is heat pump system, The heat pump system includes：By refrigerant pipeline connect evaporator, compressor, condenser, wherein, the condenser be used for pair At least part water of the outlet outflow is heated, and the evaporator is as the second waste heat recovery portion.
- 6. waste heat recycling system as claimed in claim 5, it is characterised in that the first waste heat recovery portion is at least partly Positioned at the upstream in the second waste heat recovery portion, prior to the second waste heat recovery portion and wastewater heat exchange.
- 7. waste heat recycling system as claimed in claim 6, it is characterised in that the hot water output device adds to be provided with The water tank of thermal element, the water tank and the compressor are located in same housing.
- 8. waste heat recycling system as claimed in claim 2, it is characterised in that the volume of the water tank is：8 rise to 20 Rise.
- 9. waste heat recycling system as claimed in claim 2, it is characterised in that the water outlet is arranged on the water tank top Portion, the water inlet are arranged on the side wall of the water tank, height and the water outlet of the water inlet to the water outlet Height ratio scope to the water tank bottom is 1/3-1/2.
- 10. waste heat recycling system as claimed in claim 1, it is characterised in that the Flow distributing element is water temperature electricity Son control or the threeway part of Mechanical course, the threeway part include temperature-sensitive portion, and the temperature-sensitive portion is exported by the hot water Device output water temperature or the Flow distributing element output water temperature, automatic distribution is exported from the first waste heat recovery portion to be entered The water flow of the heating system and the water flow for flowing into the threeway part.
- 11. waste heat recycling system as claimed in claim 1, it is characterised in that the outlet in the first waste heat recovery portion It is connected respectively with the mixed mouth of a river of the Flow distributing element and heating system by shunt connector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350715.5U CN207279962U (en) | 2017-10-19 | 2017-10-19 | waste heat recycling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350715.5U CN207279962U (en) | 2017-10-19 | 2017-10-19 | waste heat recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682067A (en) * | 2017-10-19 | 2019-04-26 | 艾欧史密斯(中国)热水器有限公司 | Waste heat recycling system and its control method |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682067A (en) * | 2017-10-19 | 2019-04-26 | 艾欧史密斯(中国)热水器有限公司 | Waste heat recycling system and its control method |
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