CN107782013A - A kind of integrated air recuperation of heat Hot water units - Google Patents
A kind of integrated air recuperation of heat Hot water units Download PDFInfo
- Publication number
- CN107782013A CN107782013A CN201610788851.6A CN201610788851A CN107782013A CN 107782013 A CN107782013 A CN 107782013A CN 201610788851 A CN201610788851 A CN 201610788851A CN 107782013 A CN107782013 A CN 107782013A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- hot water
- heat
- outlet pipe
- surface cooler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of integrated air recuperation of heat Hot water units, is related to a kind of heating water and saving energy technical field.The invention includes box frame, heat storage water tank, heat reclamation type air energy device, surface cooler, fan coil and switch board are installed in box frame, heat reclamation type air energy device includes First Heat Exchanger, evaporator fin, the second heat exchanger and the compressor for being in turn connected to form circulation closed-loop path, heat storage water tank connects with First Heat Exchanger, surface cooler respectively, fan coil and the second heat exchanger form closed loop by connecting line, and switch board is connected with heat storage water tank, heat reclamation type air energy device, surface cooler, fan coil respectively.The present invention realizes the unitary design of hot-water heating system, and install convenient is easy to use, simple to operate.
Description
Technical field
The present invention relates to a kind of heating water and saving energy technical field, more particularly to a kind of integrated air recuperation of heat hot water machine
Group.
Background technology
In existing heating technology, the measure taken is mainly electric heater, high energy consumption, is not saved；And air energy thermal
Hydrophone can not effectively carry out imitating recuperation of heat entirely, it is impossible to realize can separate refrigeration and individually heating, heat energy more than needed can also be passed through
Unit is sent to the place for needing heat energy, both freezed, and heated while mutually needed to compensate；Hot-water heating system is combined by multiple equipment
(heater, heat storage water tank, water pump, switch board, pipeline, valve, electric wire etc.), construction building site is moved each time all to be needed
These equipment Removals, installation are constantly repeated, lost labor and material (pump, valve, pipeline, insulation, electric wire etc.).
The content of the invention
Weak point present in regarding to the issue above, the present invention provide a kind of integrated air recuperation of heat Hot water units,
The unitary design of hot-water heating system is achieved, install convenient is easy to use, simple to operate.
In order to solve the above problems, the present invention provides a kind of integrated air recuperation of heat Hot water units, wherein, including it is box
Framework, heat storage water tank, heat reclamation type air energy device, surface cooler, fan coil and control are installed in the box frame
Cabinet, the heat reclamation type air energy device include being in turn connected to form the First Heat Exchanger of circulation closed-loop path, fin evaporation
Device, the second heat exchanger and compressor, the heat storage water tank connect with the First Heat Exchanger, the surface cooler respectively, the wind
Machine coil pipe and second heat exchanger form closed loop by connecting line, the switch board respectively with the water storage
Case, the heat reclamation type air energy device, the surface cooler, the fan coil are connected.
Preferably, First Heat Exchanger refrigerant outlet pipe and First Heat Exchanger refrigerant inlet pipe are provided with the First Heat Exchanger,
The second heat exchanger refrigerant outlet pipe and the second heat exchanger refrigerant inlet pipe are provided with second heat exchanger, the First Heat Exchanger leads to
Cross the First Heat Exchanger refrigerant outlet pipe to connect with the evaporator fin, the evaporator fin passes through second heat exchanger
Refrigerant inlet pipe connects with second heat exchanger, and second heat exchanger passes through the second heat exchanger refrigerant outlet pipe and the pressure
Contracting machine is connected, and the compressor is connected by the First Heat Exchanger refrigerant inlet pipe with the First Heat Exchanger.
Preferably, tank hot water's water inlet pipe and water tank cold water outlet pipe are provided with the heat storage water tank, described first changes
First Heat Exchanger hot water outlet pipe and First Heat Exchanger cold water inlet are provided with hot device, it is cold to be provided with table on the surface cooler
Device hot water inlet pipe and surface cooler cold water outlet pipe, tank hot water's water inlet pipe respectively with the First Heat Exchanger hot water effluent
Pipe, the surface cooler hot water inlet pipe connection, the water tank cold water outlet pipe respectively with the First Heat Exchanger cold water inlet,
The surface cooler cold water outlet pipe connection.
Preferably, the surface cooler switching electromagnetism being connected with the switch board is provided with the surface cooler hot water inlet pipe
Valve, the surface cooler switching solenoid valve is between tank hot water's water inlet pipe and the surface cooler hot water inlet pipe.
Preferably, the water tank surface cooler being connected with the switch board is provided with the First Heat Exchanger cold water inlet to follow
Ring pump, the water tank surface cooler circulating pump be located at the water tank cold water outlet pipe and the First Heat Exchanger cold water inlet it
Between.
Preferably, the second heat exchanger hot water inlet pipe and the second heat exchanger cold water water outlet are provided with second heat exchanger
Manage, fan coil hot water outlet pipe and fan coil cold water inlet, second heat exchanger are provided with the fan coil
Hot water inlet pipe connects with the fan coil hot water outlet pipe, the second heat exchanger cold water outlet pipe and the fan coil
Cold water inlet connects.
Preferably, it is provided with blower fan between the second heat exchanger hot water inlet pipe and the fan coil hot water outlet pipe
Coil pipe circulating pump, the second heat exchanger hot water inlet pipe are followed with the fan coil hot water outlet pipe by the fan coil
Ring pump connects.
Preferably, hot water outlet pipe and Recovery of the hot water pipe, the heat storage water tank and institute are additionally provided with the heat storage water tank
State and connected by supply-water pump between hot water outlet pipe, pass through backwater magnetic valve between the heat storage water tank and the Recovery of the hot water pipe
Connection.
Preferably, the heat storage water tank is connected by originally feed pipe with external water source, described originally to be set on feed pipe
There is feedwater electronic valve.
Preferably, the front and rear sides of the box frame are provided with some maintenance door-plates, and are being provided with unit side
The front and rear sides of box frame be provided with perforated steel plate.
Compared with prior art, the present invention has advantages below：
1st, the present invention can be integrated with switch board and heat storage water tank by heat reclamation type air, can carry out heat by heat storage water tank
Water stores, and forms the hot water water supply unit of heat storage type, composition is box can the individually same confession of water heating, separate refrigeration wind and cold air and hot water
Energy saving integral unit, hot water final temperature can meet user construction site in 38 DEG C~60 DEG C any regulations as needed
Construction period provides the demand of hot water and cold wind simultaneously, can also be used in small unit such as small-sized hotel and minimized office place
The occasion that bath apparatus and heating equipment and operation of air conditioning systems need；And convenient carrying, it is not necessary to repeat to dismount, can meet
The requirement move at any time, installed at any time；
2nd, the present invention passes through absorption air due to being mounted with surface cooler, and use heat reclamation type air energy in casing
In heat transfer feedwater heating, can lift indoor temperature provided with fan coil indoors and meet part refrigeration demand, work as water tank
Temperature starts surface cooler when reaching setting value, reaches separate refrigeration demand, meets multinomial demand, more saves.
Brief description of the drawings
Fig. 1 is embodiments of the invention structural representation；
Fig. 2 is embodiments of the invention internal structure schematic diagram；
Fig. 3 is another structural representation inside embodiments of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings with example to this
Invention is described in further detail, but example is not as a limitation of the invention.
As shown in figure 1, the present invention include box frame 9, box frame 9 is installed above have on lid 10, in box frame 9
Front and rear sides are provided with maintenance door-plate 11, are provided with perforated steel plate 12 in the front and rear sides of box frame 9 of installation unit side, have
Enter beneficial to air in casing, accelerate the speed of casing inner air flow, unit finned heat exchanger heat exchange efficiency is improved, box
Heat storage water tank 1, heat reclamation type air energy device 2, surface cooler 3 and switch board 8 are installed in framework 9.
As shown in Fig. 2 in the present embodiment, heat reclamation type air energy device 2 includes First Heat Exchanger 2-1, compressor 2-
3rd, be provided with the second heat exchanger 2-2 and evaporator fin 2-4, First Heat Exchanger 2-1 First Heat Exchanger hot water outlet pipe 2-11,
First Heat Exchanger cold water inlet 2-12, First Heat Exchanger refrigerant outlet pipe 2-13 and First Heat Exchanger refrigerant inlet pipe 2-14, second
The second heat exchanger hot water inlet pipe 2-21, the second heat exchanger cold water outlet pipe 2-22, the second heat exchanger are provided with heat exchanger 2-2
Refrigerant outlet pipe 2-23 and the second heat exchanger refrigerant inlet pipe 2-24, First Heat Exchanger refrigerant outlet pipe 2-13's and evaporator fin 2-4
Entrance point is connected, and the evaporator fin 2-4 port of export is connected with the second heat exchanger refrigerant inlet pipe 2-24, the second heat exchanger refrigerant
Outlet pipe 2-23 is connected with compressor 2-3 entrance point, compressor the 2-3 port of export and First Heat Exchanger refrigerant inlet pipe 2-14 phases
Even, a closed-loop path is formed, fan coil circulating pump 7 is installed on the second heat exchanger hot water inlet pipe 2-21.
Surface cooler hot water inlet pipe 3-1 and surface cooler cold water outlet pipe 3-2 are provided with surface cooler 3, is set in heat storage water tank 1
It is equipped with tank hot water's water inlet pipe 1-6 and water tank cold water outlet pipe 1-7, First Heat Exchanger cold water inlet 2-12 and water tank surface cooler
The port of export of circulating pump 6 is connected, and the aspiration port of water tank surface cooler circulating pump 6 is divided into two pipelines, one and surface cooler cold water water outlet
Pipe 3-2 is connected, and another is connected with water tank cold water outlet pipe 1-7, and First Heat Exchanger hot water outlet pipe 2-11 switches with surface cooler
Magnetic valve 5 is connected, and surface cooler switching solenoid valve 5 is connected with surface cooler hot water inlet pipe 3-1, First Heat Exchanger hot water outlet pipe 2-
A pipeline is separated between 11 and surface cooler switching solenoid valve 5 on pipeline with tank hot water's water inlet pipe 1-6 to be connected.
Heat storage water tank 1 is connected with tap water pipe 1-4, and water-suppling electromagnetic valve 1-5 is installed on tap water pipe 1-4,
Heat storage water tank 1 installs hot water outlet pipe 1-1 and hot water return pipe 1-2, supply-water pump 1-3 is installed on hot water outlet pipe 1-1, in heat
Water solenoid valve 1-8, hot water outlet pipe 1-1 and hot water return pipe 1-2 is installed back on water return pipe 1-2 with user terminal to be connected.
In use, being connected by the running water pipe 1-4 and water-suppling electromagnetic valve 1-5 and running water pipe of heat storage water tank 1, pass through storage
Boiler 1, supply-water pump 1-3, hot water outlet pipe 1-1 valves are connected with user terminal hot-water line, user terminal hot water pipe end and hot water
Return pipe 1-2 valves are connected.
When needing refrigeration, fan coil circulating pump 7 is entered by fan coil hot water outlet pipe 4-1 and fan coil cold water
Water pipe 4-2 connects with external user terminal fan coil 4.
When water heating works, it is that heat storage water tank 1 supplies water to first turn on feedwater electronic valve 1-5, when the water level of heat storage water tank 1 arrives
Up to moisturizing magnetic valve 1-8 is closed during limit value automatically；
When heat storage water tank 1 needs heating, system starts heat reclamation type air energy device 2, and then detection is externally freezed
Whether system starts, and decides whether to open fan coil circulating pump 7, if externally refrigeration does not start, heat reclamation type air
Energy device 2 is started working, will by heat in the evaporator fin 2-4 absorption airs in heat reclamation type air energy device 2
Recycle heat is imported into the First Heat Exchanger 2-1 in heat reclamation type air energy device 2, promotes heat reclamation type air energy to fill
Put 2 inner refrigerants evaporation absorption heat-exchange medium in heat, heat reclamation type air can by main frame internal unit run again
To heat lift after be sent in First Heat Exchanger 2-1, it is cold by First Heat Exchanger hot water outlet pipe 2-11 and First Heat Exchanger
Water water inlet pipe 2-12 injects recycle heat in heat storage water tank 1.
When the temperature of heat storage water tank 1 is not reaching to setting value, if there is refrigeration demand outside, system closes surface cooler automatically
Switching solenoid valve 5 while automatic start fan coil circulating pump 7, pass through the second heat exchanger refrigerant inlet pipe 2-24 and the second heat exchanger
Refrigerant outlet pipe 2-23, coolant media is inputted by the second heat exchanger hot water inlet pipe 2-21 and the second heat exchanger cold water outlet pipe 2-22
The heat brought is taken away, and needs circulating-heating during heating equally to be heated with above-mentioned heat storage water tank 1, then pass through the second heat exchanger
Hot water inlet pipe 2-21 is connected with fan coil cold water inlet 4-2 and the second heat exchanger cold water outlet pipe 2-22 and fan coil
Cold water inlet 4-2 connections, loop is formed, reaching can freeze again while hot water preparing.
When water tank temperature reaches setting value, if there are refrigeration demand, system automatic start surface cooler switching electromagnetism in outside
Valve 5 starts fan coil circulating pump 7 simultaneously, passes through the second heat exchanger refrigerant inlet pipe 2-24 and the second heat exchanger refrigerant outlet pipe 2-
23, the heat that input coolant media brings the second heat exchanger hot water inlet pipe 2-21 and the second heat exchanger cold water outlet pipe 2-22
Take away, by compressor 2-3, First Heat Exchanger refrigerant inlet pipe 2-14, First Heat Exchanger refrigerant outlet pipe 2-13 be by recycle heat band
Into First Heat Exchanger 2-1, then pass through surface cooler hot water inlet pipe 3-2, water tank surface cooler circulating pump 6, First Heat Exchanger cold water
Water inlet pipe 2-12, First Heat Exchanger hot water inlet pipe 2-11, surface cooler switching solenoid valve 5, surface cooler hot water inlet pipe's 3-1 shapes
Surface cooler 3 is transferred heat into loop, then heat is sent in outdoor air by surface cooler 3, circulation cooling, makes user terminal
Fan coil 4 reaches separate refrigeration demand.
As shown in figure 3, in the present embodiment, identical with above-mentioned embodiment, difference is surface cooler 3 being separately provided
Split air conditioner form is formed, surface cooler 3 can be so placed in outdoor or interior heat demand place, is advantageous to reduce all-in-one
Volume and weight.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of integrated air recuperation of heat Hot water units, it is characterised in that including box frame, installed in the box frame
There are heat storage water tank, heat reclamation type air energy device, surface cooler, fan coil and switch board, the heat reclamation type air energy
Device includes First Heat Exchanger, evaporator fin, the second heat exchanger and the compressor for being in turn connected to form circulation closed-loop path, institute
State heat storage water tank to connect with the First Heat Exchanger, the surface cooler respectively, the fan coil leads to second heat exchanger
Cross connecting line formed closed loop, the switch board respectively with the heat storage water tank, the heat reclamation type air energy
Device, the surface cooler, the fan coil are connected.
2. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that set on the First Heat Exchanger
First Heat Exchanger refrigerant outlet pipe and First Heat Exchanger refrigerant inlet pipe are equipped with, it is cold to be provided with the second heat exchanger on second heat exchanger
Matchmaker's outlet pipe and the second heat exchanger refrigerant inlet pipe, the First Heat Exchanger pass through the First Heat Exchanger refrigerant outlet pipe and the fin
Evaporator is connected, and the evaporator fin is connected by the second heat exchanger refrigerant inlet pipe with second heat exchanger, described
Second heat exchanger is connected by the second heat exchanger refrigerant outlet pipe with the compressor, and the compressor changes by described first
Hot device refrigerant inlet pipe connects with the First Heat Exchanger.
3. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that set on the heat storage water tank
Have tank hot water's water inlet pipe and water tank cold water outlet pipe, be provided with the First Heat Exchanger First Heat Exchanger hot water outlet pipe and
First Heat Exchanger cold water inlet, surface cooler hot water inlet pipe and surface cooler cold water outlet pipe, institute are provided with the surface cooler
Tank hot water's water inlet pipe is stated to connect with the First Heat Exchanger hot water outlet pipe, the surface cooler hot water inlet pipe respectively, it is described
Water tank cold water outlet pipe connects with the First Heat Exchanger cold water inlet, the surface cooler cold water outlet pipe respectively.
4. integrated air recuperation of heat Hot water units as claimed in claim 3, it is characterised in that the surface cooler hot water water inlet
The surface cooler switching solenoid valve being connected with the switch board is provided with pipe, the surface cooler switching solenoid valve is located at the water tank
Between hot water inlet pipe and the surface cooler hot water inlet pipe.
5. integrated air recuperation of heat Hot water units as claimed in claim 3, it is characterised in that the First Heat Exchanger cold water
The water tank surface cooler circulating pump being connected with the switch board is provided with water inlet pipe, the water tank surface cooler circulating pump is positioned at described
Between water tank cold water outlet pipe and the First Heat Exchanger cold water inlet.
6. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that set on second heat exchanger
The second heat exchanger hot water inlet pipe and the second heat exchanger cold water outlet pipe are equipped with, fan coil heat is provided with the fan coil
Water outlet pipe and fan coil cold water inlet, the second heat exchanger hot water inlet pipe and the fan coil hot water outlet pipe
Connection, the second heat exchanger cold water outlet pipe connect with the fan coil cold water inlet.
7. integrated air recuperation of heat Hot water units as claimed in claim 6, it is characterised in that the second heat exchanger hot water
Fan coil circulating pump, the second heat exchanger hot water water inlet are provided between water inlet pipe and the fan coil hot water outlet pipe
Pipe is connected with the fan coil hot water outlet pipe by the fan coil circulating pump.
8. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that also set on the heat storage water tank
Hot water outlet pipe and Recovery of the hot water pipe are equipped with, is connected between the heat storage water tank and the hot water outlet pipe by supply-water pump, institute
State and connected between heat storage water tank and the Recovery of the hot water pipe by backwater magnetic valve.
9. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that the heat storage water tank passes through certainly
Carry out feed pipe to connect with external water source, it is described that feedwater electronic valve is originally provided with feed pipe.
10. integrated air recuperation of heat Hot water units as claimed in claim 1, it is characterised in that before the box frame
Both sides are provided with some maintenance door-plates afterwards, and the front and rear sides for the box frame for being provided with unit side are provided with steel with holes
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788851.6A CN107782013A (en) | 2016-08-31 | 2016-08-31 | A kind of integrated air recuperation of heat Hot water units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788851.6A CN107782013A (en) | 2016-08-31 | 2016-08-31 | A kind of integrated air recuperation of heat Hot water units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107782013A true CN107782013A (en) | 2018-03-09 |
Family
ID=61451374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788851.6A Pending CN107782013A (en) | 2016-08-31 | 2016-08-31 | A kind of integrated air recuperation of heat Hot water units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107782013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539486A (en) * | 2020-12-16 | 2021-03-23 | 浙江洋光科技有限公司 | Take air conditioner hot water recovery all-in-one |
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| CN204301360U (en) * | 2014-11-20 | 2015-04-29 | 王永斌 | A kind of can the heat reclamation type source pump of separate refrigeration |
| CN205351853U (en) * | 2016-01-08 | 2016-06-29 | 沈阳万力源节能工程有限公司 | Multi -functional hot recovery type heat pump set |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101236597B1 (en) * | 2011-09-30 | 2013-02-22 | 한밭대학교 산학협력단 | Air conditioning system for multi-usage |
| CN103075774A (en) * | 2013-01-09 | 2013-05-01 | 合肥天鹅制冷科技有限公司 | Combined air handling unit driven by total heat recovery type heat pump |
| CN203704343U (en) * | 2014-02-21 | 2014-07-09 | 山东科进能源科技有限公司 | Energy-saving bathing waste heat recovery water heater unit |
| CN204084851U (en) * | 2014-08-22 | 2015-01-07 | 王永斌 | A kind of box cold and hot with supplying energy-saving hot water unit |
| CN204227695U (en) * | 2014-11-07 | 2015-03-25 | 王永斌 | A kind of Split hot reclaims source pump |
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| CN112539486A (en) * | 2020-12-16 | 2021-03-23 | 浙江洋光科技有限公司 | Take air conditioner hot water recovery all-in-one |
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Application publication date: 20180309 |
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