CN108317871A - Hot water auxiliary heating apparatus - Google Patents
Hot water auxiliary heating apparatus Download PDFInfo
- Publication number
- CN108317871A CN108317871A CN201711414263.7A CN201711414263A CN108317871A CN 108317871 A CN108317871 A CN 108317871A CN 201711414263 A CN201711414263 A CN 201711414263A CN 108317871 A CN108317871 A CN 108317871A
- Authority
- CN
- China
- Prior art keywords
- water
- interface
- heat exchanger
- filter
- bellows
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000008399 tap water Substances 0.000 claims abstract description 31
- 235000020679 tap water Nutrition 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims description 31
- 239000010865 sewage Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000003973 irrigation Methods 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000003287 bathing Methods 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 238000012913 prioritisation Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
- B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/045—Greywater supply systems using household water
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention provides a kind of hot water auxiliary heating apparatus, including filter device, water pump, heat exchanger and control system, it is characterised in that：Spent hot water is filtered by filter device, then is pressurizeed by water pump, and spent hot water and tap water carry out heat exchange in internal heat exchanger adverse current, and tap water is heated；Heat exchanger uses bellows wound form heat exchanger, and after the cold and hot hydrothermal exchange of flows such as capable of realizing, tap water temperature achievees the purpose that assist heating tap water very close to waste heat coolant-temperature gage；Since bellows caliber is between 8 50 millimeters, bellows stream spent hot water, it is not easy to be blocked, tap water be flowed in shell gap, small flow resistance does not influence originally water flow；The present invention and water heater are used cooperatively, and are first heated tap water in advance by the present invention, then be heated to set temperature by water heater, 70% or more the energy can be saved, convenient for being promoted the use of in cosmetology and bathing place.
Description
Technical field
The present invention relates to heating, heat exchange and waste water filtering field, more particularly to a kind of hot water auxiliary heating apparatus.
Background technology
In daily life, using flowing away from sewer with a large amount of thermal energy after hot water bathing, thermal energy and waste water do not have for institute
It recycles.For energy saving and recycling waste water, need a kind of equipment that can recycle thermal energy and recycle useless in actual life
Water.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of hot water auxiliary heating apparatus.
To achieve the above object, present invention application following technical scheme：
A kind of hot water auxiliary heating apparatus of the present invention, including filter device, water pump, heat exchanger and control system, it is special
Sign is：The downcomer in the water inlet connection hot water place of filter device, the water inlet of the water outlet connection water pump of filter device,
4th interface of the water outlet connection heat exchanger of water pump, the third interface connection return water tank or sewer of heat exchanger, heat
The second interface of exchanger is connected with tap water interface, and the first interface of heat exchanger is connected with water heater or hot water；
The filter device is filter or water tank with strainer, and filter device has 1-3, and the second filter device and third filter device are pacified
Any position on the first filter device and heat exchanger connecting pipe.
Further, heat exchanger be bellows wound form heat exchanger, bellows wound form heat exchanger include shell,
Cylindrical object, bellows, first interface, second interface, third interface and the 4th interface, it is characterised in that：Pacify shell one end
Equipped with first interface and the 4th interface, the shell other end is equipped with second interface and third interface, and bellows is wrapped in cylinder
On object, cylindrical object and bellows are mounted in shell cavity, one end interface of bellows and the 4th orifice, bellows
Another end interface and third orifice, third interface, bellows and the 4th interface form heat exchanger first flow, in shell
Wall is connected to form heat exchanger second with the channel that the outer wall of cylindrical object and bellows forms with first interface, second interface
Runner.
Further, the filter include filtering container, filter screen, water outlet, water inlet, sewage draining exit, rinse mouth,
Motor-driven valve, nozzle, solenoid valve, filter screen are mounted in filtering container, and filter screen installation direction can be vertical, horizontal or just
Tiltedly, filter screen surrounds reservoir chamber and filter chamber by container cavity space is filtered, and filter chamber's container bottom is equipped with water inlet and row
Dirty mouth, filtering upper vessel portion are equipped with rinse mouth and nozzle, and nozzle is connected with rinse mouth, and water outlet is mounted on reservoir chamber container bottom
In portion or chamber wall, sewage draining exit is equipped with motor-driven valve, and rinse mouth is equipped with solenoid valve, and magnetic valve water inlet is connected with tap water,
Washing filter screen and filtering chamber wall when nozzle is sprayed water.
Further, the water tank with strainer includes filtering container, filter screen, water outlet, water inlet, sewage draining exit, spilling water
Mouth, motor-driven valve, container cover, rinse mouth, nozzle, solenoid valve, filter screen are mounted in filtering container, and filter screen installation direction can be with
It is vertical, horizontal or just oblique, filter screen surrounds reservoir chamber and filter chamber, filter chamber's container bottom by container cavity space is filtered
Or water inlet, sewage draining exit and gap are installed on chamber wall, water outlet is mounted on reservoir chamber container bottom or chamber wall, row
Dirty mouth is equipped with motor-driven valve, and rinse mouth and nozzle are equipped in container cover, and rinse mouth is connected with nozzle, and rinse mouth is also equipped with electricity
Magnet valve, magnetic valve water inlet are connected with tap water, washing filter screen and filtering chamber wall when nozzle is sprayed water.
Further, the nozzle is auto-rotating spray head, generates thrust when auto-rotating spray head is using water spray, automatically
Rotation, washing filter screen and filtering chamber wall, irrigation pressure is big, and it is big to rinse area.
Further, when the filter device and water pump are respectively water tank with strainer and immersible pump, immersible pump was mounted on
In the reservoir chamber of water filtering tank.
Its control method is：Tap water is first flowed into from heat exchanger second interface, when being flowed out from heat exchanger first interface,
Pump working, spent hot water are pressurizeed after filter device filters by water pump, and spent hot water flows into from the 4th interface of heat exchanger, flows through
It after the bellows of heat exchanger, is flowed out from the third interface of heat exchanger, tap water and spent hot water carry out in internal heat exchanger
Heat exchange, waste heat coolant-temperature gage reduce, and tap water temperature increases, and achieve the purpose that auxiliary heating tap water；When filter screen needs clearly
When washing, opening filter device sewage draining exit motor-driven valve blowdown, opening filter rinse mouth solenoid valve, nozzle spraying-rinsing filter screen,
Achieve the purpose that automatic pollution discharge and cleaning filter screen.
The present invention recycles thermal energy using bellows wound form heat exchanger, after the cold and hot hydrothermal exchange of flows such as capable of realizing,
Tap water temperature achievees the purpose that auxiliary heating tap water very close to waste heat coolant-temperature gage；Since bellows caliber is in 8-50 millis
Between rice, bellows stream spent hot water, it is not easy to be blocked, tap water, small flow resistance, to originally water flow are flowed in shell gap
Do not influence；The present invention and water heater are used cooperatively, and first heat tap water in advance by the present invention, then be heated to set by water heater
Temperature can save 70% or more the energy.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present invention installation water tank with strainer structural schematic diagram；
Fig. 3 is water tank with strainer structural schematic diagram of the present invention；
Fig. 4 is filter structure schematic representation of the present invention；
1, filter device；2, water pump；3, heat exchanger；
4, shell；5, cylindrical object；6, bellows；
7, first interface；8, the 4th interface；9, second interface；
10, third interface；11, container is filtered；12, filter screen；
13, reservoir chamber；14, filter chamber；15, water outlet；
16, water inlet；17, motor-driven valve；18, sewage draining exit；
19, rinse mouth；20, solenoid valve；21, nozzle；
22, container cover；23, gap；
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
A kind of hot water auxiliary heating apparatus of the present invention, including filter device 1, water pump 2, heat exchanger 3 and control system,
It is characterized in that：The water inlet 16 of filter device 1 connects the downcomer in hot water place, and the water outlet 15 of filter device 1 connects water pump 2
Water inlet, water pump 2 water outlet connection heat exchanger 3 the 4th interface 8, heat exchanger 3 third interface 10 connection recycling
The second interface 9 of water tank or sewer, heat exchanger 3 is connected with tap water interface, the first interface 7 and hot water of heat exchanger 3
Device or hot water connection；The filter device 1 is filter or water tank with strainer, and filter device 1 has 1-3, the second mistake
Filter any position of device and third filter device in 3 connecting pipe of the first filter device and heat exchanger.
As a kind of further prioritization scheme of hot water auxiliary heating apparatus of the present invention, heat exchanger 3 is handed over for bellows wound form heat
Parallel operation, bellows wound form heat exchanger include shell 4, cylindrical object 5, bellows 6, first interface 7, second interface 9,
Three interfaces 10 and the 4th interface 8, it is characterised in that：4 one end of shell is equipped with first interface 7 and the 4th interface 8, and shell 4 is another
End is equipped with second interface 9 and third interface 10, and bellows 6 is wrapped on cylindrical object 5, cylindrical object 5 and bellows 6
In 4 cavity of shell, 6 one end interface of bellows and the connection of the 4th interface 8,6 another end interface of bellows and third interface
10 connections, third interface 10, bellows 6 and the 4th interface 8 form 3 first flow of heat exchanger, 4 inner wall of shell and cylinder thing
The channel of the outer wall of body 5 and bellows 6 composition is connected to form heat exchanger second flow road with first interface 7, second interface 9.
As a kind of further prioritization scheme of hot water auxiliary heating apparatus of the present invention, the filter include filtering container 11,
Filter screen 12, water outlet 15, water inlet 16, sewage draining exit 18, rinse mouth 19, motor-driven valve 17, nozzle 21, solenoid valve 20, filter screen
12 are mounted in filtering container 11, and 12 installation direction of filter screen can be vertical, horizontal or just oblique, and filter screen 12 holds filtering
11 cavity space of device surrounds reservoir chamber 13 and filter chamber 14, and 14 container bottom of filter chamber is equipped with water inlet 16 and sewage draining exit 18,
11 top of filtering container is equipped with rinse mouth 19 and nozzle 21, and nozzle 21 and rinse mouth 19 connect, and water outlet 15 is mounted on water storage
On 13 container bottom of room or chamber wall, sewage draining exit 18 is equipped with motor-driven valve 17, and rinse mouth 19 is equipped with solenoid valve 20, solenoid valve 20
Water inlet is connected with tap water, washing filter screen 12 and filtering 11 wall of container when nozzle 21 is sprayed water.
As a kind of further prioritization scheme of hot water auxiliary heating apparatus of the present invention, the water tank with strainer includes filtering container
11, filter screen 12, water outlet 15, water inlet 16, sewage draining exit 18, gap 23, motor-driven valve 17, container cover 22, rinse mouth 19, spray
First 21, solenoid valve 20, filter screen 12 be mounted on filtering container 11 in, 12 installation direction of filter screen can be it is vertical, horizontal or
Just tiltedly, filter screen 12 surrounds reservoir chamber 13 and filter chamber 14,14 container bottom of filter chamber or appearance by 11 cavity space of container is filtered
Water inlet 16, sewage draining exit 18 and gap 23 are installed, sewage draining exit 18 is equipped with motor-driven valve 17, and water outlet 15 is mounted on wall
On 13 container bottom of reservoir chamber or chamber wall, rinse mouth 19 and nozzle 21, rinse mouth 19 and nozzle 21 are installed in container cover 22
Connection, rinse mouth 19 are also equipped with solenoid valve 20, and 20 water inlet of solenoid valve is connected with tap water, washing and filtering when nozzle 21 is sprayed water
Net 12 and filtering 11 wall of container.
As a kind of further prioritization scheme of hot water auxiliary heating apparatus of the present invention, the nozzle 21 is auto-rotating spray head,
Thrust is generated when auto-rotating spray head is using water spray, automatic to rotate, washing filter screen and filtering chamber wall, irrigation pressure is big, punching
Product of washing one's face is big.
As a kind of further prioritization scheme of hot water auxiliary heating apparatus of the present invention, the filter device 1 and water pump 2 are respectively
When water tank with strainer and immersible pump, immersible pump is mounted in the reservoir chamber 13 of water tank with strainer.
Its control method is：It flows into from 3 second interface 9 of heat exchanger when tap water is first, is flowed from heat exchanger first interface 7
When going out, water pump 2 works, and spent hot water is pressurizeed after the filtering of filter device 1 by water pump 2, and spent hot water is from the 4th interface 8 of heat exchanger 3
It flows into, after the bellows 6 for flowing through heat exchanger 3, is flowed out from the third interface 10 of heat exchanger 3, tap water and spent hot water are in heat
3 inside of exchanger carries out heat exchange, and waste heat coolant-temperature gage reduces, and tap water temperature increases, and achievees the purpose that auxiliary heating tap water；
When filter device 1 needs cleaning, 1 sewage draining exit of filter device, 18 motor-driven valve, 17 blowdown is opened, opens 19 electricity of filter rinse mouth
Magnet valve 20,21 spraying-rinsing filter screen 12 of nozzle achieve the purpose that automatic pollution discharge and cleaning filter screen 12.
The present invention recycles thermal energy using bellows wound form heat exchanger, after the cold and hot hydrothermal exchange of flows such as capable of realizing,
Tap water temperature achievees the purpose that auxiliary heating tap water very close to waste heat coolant-temperature gage；Since bellows caliber is in 8-50 millis
Between rice, bellows stream spent hot water, it is not easy to be blocked, tap water, small flow resistance, to originally water flow are flowed in shell gap
Do not influence；The present invention and water heater are used cooperatively, and first heat tap water in advance by the present invention, then be heated to set by water heater
Temperature can save 70% or more the energy.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application range,
The equivalent change or modification that feature and principle are done, is included within the scope of present patent application.
Claims (6)
1. a kind of hot water auxiliary heating apparatus, including filter device, water pump, heat exchanger and control system, it is characterised in that：Filter device
Water inlet connection hot water place downcomer, the water inlet of the water outlet connection water pump of filter device, the water outlet of water pump connects
The 4th interface of heat exchanger is connect, the third interface connection return water tank or sewer of heat exchanger, the second of heat exchanger connects
Mouth is connected with tap water interface, and the first interface of heat exchanger is connected with water heater or hot water；The filter device
For filter or water tank with strainer, filter device has 1-3, and the second filter device and third filter device are mounted on the first filtering and fill
It sets and any position in heat exchanger connecting pipe.
2. hot water auxiliary heating apparatus according to claim 1, it is characterised in that：Heat exchanger is bellows wound form heat exchange
Device, bellows wound form heat exchanger include shell, cylindrical object, bellows, first interface, second interface, third interface
With the 4th interface, it is characterised in that：Shell one end is equipped with first interface and the 4th interface, and the shell other end is equipped with second and connects
Mouth and third interface, bellows are wrapped on cylindrical object, and cylindrical object and bellows are mounted in shell cavity, ripple
One end interface of pipe and the 4th orifice, another end interface of bellows and third orifice, third interface, bellows and the 4th
Interface forms heat exchanger first flow, and the channel and first that inner wall of tube shell and the outer wall of cylindrical object and bellows form connects
Mouth, second interface are connected to form heat exchanger second flow road.
3. hot water auxiliary heating apparatus according to claim 1, it is characterised in that：The filter includes filtering container, filtering
Net, water outlet, water inlet, sewage draining exit, rinse mouth, motor-driven valve, nozzle, solenoid valve, filter screen are mounted in filtering container, filtering
Net surrounds reservoir chamber and filter chamber by container cavity space is filtered, and filter chamber's container bottom is equipped with water inlet and sewage draining exit, mistake
Filter upper vessel portion is equipped with rinse mouth and nozzle, and nozzle is connected with rinse mouth, and water outlet is mounted on reservoir chamber container bottom or appearance
On wall, sewage draining exit is equipped with motor-driven valve, and rinse mouth is equipped with solenoid valve, and magnetic valve water inlet is connected with tap water, nozzle spray
Washing filter screen and filtering chamber wall when water.
4. hot water auxiliary heating apparatus according to claim 1, it is characterised in that：The water tank with strainer includes filtering container, mistake
Strainer, water outlet, water inlet, sewage draining exit, gap, motor-driven valve, container cover, rinse mouth, nozzle, solenoid valve, filter screen installation
In filtering container, filter screen surrounds reservoir chamber and filter chamber, filter chamber's container bottom or container by container cavity space is filtered
Water inlet, sewage draining exit and gap are installed, water outlet is mounted on reservoir chamber container bottom or chamber wall, sewage draining exit peace on wall
Equipped with motor-driven valve, rinse mouth and nozzle being installed in container cover, rinse mouth is connected with nozzle, and rinse mouth is also equipped with solenoid valve,
Magnetic valve water inlet is connected with tap water, washing filter screen and filtering chamber wall when nozzle is sprayed water.
5. the hot water auxiliary heating apparatus according to claim 3 and 4, it is characterised in that：The nozzle is auto-rotating spray head, from
Thrust is generated when dynamic rotary nozzle is using water spray, automatic to rotate, washing filter screen and filtering chamber wall, irrigation pressure is big, rinses
Area is big.
6. hot water auxiliary heating apparatus according to claim 1, it is characterised in that：The filter device and water pump is respectively to filter
When water tank and immersible pump, immersible pump is mounted in the reservoir chamber of water tank with strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711414263.7A CN108317871A (en) | 2017-12-16 | 2017-12-16 | Hot water auxiliary heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711414263.7A CN108317871A (en) | 2017-12-16 | 2017-12-16 | Hot water auxiliary heating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317871A true CN108317871A (en) | 2018-07-24 |
Family
ID=62890985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711414263.7A Pending CN108317871A (en) | 2017-12-16 | 2017-12-16 | Hot water auxiliary heating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317871A (en) |
-
2017
- 2017-12-16 CN CN201711414263.7A patent/CN108317871A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |
|
| WD01 | Invention patent application deemed withdrawn after publication |