CN112556189A - Gas heating water heater - Google Patents
Gas heating water heater Download PDFInfo
- Publication number
- CN112556189A CN112556189A CN202011397474.6A CN202011397474A CN112556189A CN 112556189 A CN112556189 A CN 112556189A CN 202011397474 A CN202011397474 A CN 202011397474A CN 112556189 A CN112556189 A CN 112556189A
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- Prior art keywords
- air
- channel
- air inlet
- heat exchanger
- gas
- 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.)
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- 239000008236 heating water Substances 0.000 title claims abstract description 30
- 239000002918 waste heat Substances 0.000 claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003546 flue gas Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a gas heating water heater, which comprises a furnace body; the waste heat exchanger is arranged in the furnace body, a first channel and a second channel which are mutually independent are arranged in the waste heat exchanger, high-temperature flue gas passes through the first channel, low-temperature air passes through the second channel, and the high-temperature flue gas and the low-temperature air exchange heat in the waste heat exchanger; the hot water furnace fan is arranged in the furnace body and connected with the air inlet end of the first channel, and the hot water furnace fan discharges high-temperature flue gas into the first channel; the air inlet pipe is connected with the air inlet end of the second channel and introduces air into the second channel; and the air outlet pipe is connected with the air outlet end of the second channel. This embodiment carries out heat exchange through high temperature flue gas and low temperature air in waste heat exchanger, and the air after the intensification discharges and holds the heating, and in the middle of the heat of high temperature flue gas directly enters into heating end air circumstance through the air promptly, raises the efficiency, reduces energy loss, and is more energy-conserving high-efficient.
Description
Technical Field
The invention relates to the field of gas equipment, in particular to a gas heating water heater.
Background
The smoke temperature of smoke pipe exhaust smoke of the conventional wall-mounted boiler is relatively wasted in heat emission at about 130 ℃ in the using process, and a condenser is arranged in part of the gas heating water heaters on the market, so that the heat of the smoke temperature is converted into return water through secondary heat exchange, the heat loss is reduced, and the heat efficiency is improved. For example, the chinese patent with the application number CN201420617424.8 discloses a condensing type secondary heat exchange wall-mounted furnace, which comprises a fan, a main heat exchanger, a burner, a plate heat exchanger and a combustion chamber; the main heat exchanger is connected with the combustor and the combustion chamber; the device also comprises a flue gas recoverer and a condensed water neutralizer; the flue gas recoverer is communicated with the combustion chamber, the tap water inlet, the main heat exchanger and the condensate water neutralizer, a heat exchange core formed by sequentially stacking a plurality of condensing sheet groups is arranged inside the flue gas recoverer, water enters the heat exchange core, and flue gas enters a flue gas channel on the heat exchange core, so that the water and the flue gas exchange heat, and secondary heat exchange is realized. However, in the heat exchange mode, the high-temperature flue gas passes through the secondary condenser, the heat of the high-temperature flue gas is transferred to the return water, the return water transfers the heat of the high-temperature flue gas to the air environment of the heating end through the radiating fins of the heating end, and due to the fact that the radiating fins are 'medium', part of the heat can be detained on the radiating fins, so that the heat cannot be transferred to the air environment of the heating end hundreds of percent, and energy waste is caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the gas heating water heater, which directly exchanges heat between high-temperature flue gas and air, reduces energy loss, and is more energy-saving and efficient.
The gas heating water heater according to the embodiment of the first aspect of the invention comprises a furnace body; the waste heat exchanger is arranged in the furnace body, a first channel and a second channel which are mutually independent are arranged in the waste heat exchanger, high-temperature smoke passes through the first channel, low-temperature air passes through the second channel, and the high-temperature smoke and the low-temperature air exchange heat in the waste heat exchanger; the hot water furnace fan is arranged in the furnace body and connected with the air inlet end of the first channel, and the hot water furnace fan discharges high-temperature flue gas into the first channel; the air inlet pipe is connected with the air inlet end of the second channel and introduces air into the second channel; and the air outlet pipe is connected with the air outlet end of the second channel.
The gas heating water heater provided by the embodiment of the invention at least has the following beneficial effects: contrast prior art, the gas heating water heater of this embodiment is provided with first passageway and second passageway in waste heat exchanger, lead to high temperature flue gas in the first passageway, lead to low temperature air in the second passageway, high temperature flue gas and low temperature air carry out the heat exchange in waste heat exchanger, the end of heating is discharged to the air after the intensification, the heat of high temperature flue gas directly enters into in the middle of the end air circumstance of heating through the air promptly, this "medium" of fin has been saved, make the heat after the exchange can hundred release in the air circumstance of the end of heating, the efficiency is improved, energy loss is reduced, energy saving and high efficiency more.
Some embodiments of the gas-fired water heating furnace according to the first aspect of the present invention further comprise an exhaust fan disposed in the air outlet pipe. The exhaust fan is arranged in the air outlet pipe and located on one side of air outlet of the waste heat exchanger, and compared with the exhaust fan arranged on one side of air inlet, the pressure loss of the whole air channel can be effectively reduced by a suction mode, so that the exhaust fan with smaller power can be used, and the noise of the whole machine is reduced.
According to some embodiments of the gas-fired heating water heater of the first aspect of the present invention, the air inlet pipe is provided with a first air inlet duct for introducing outdoor air and a second air inlet duct for introducing indoor air. The first air inlet duct and the second air inlet duct provide two air inlet modes which can be used alternatively. When outdoor air is introduced by adopting the first air inlet duct, the temperature difference between the flue gas temperature and the outdoor low-temperature air is large, the efficiency of the waste heat exchanger is high, and fresh air is obtained and enters the heating end; however, when outdoor air is introduced, since the outdoor air has a certain humidity, a small amount of condensed water is generated and stays on the wall surface of the waste heat exchanger when heat exchange is performed through the waste heat exchanger. When adopting second air inlet duct introduction indoor air to carry out the inner loop, because flue gas temperature is less with the indoor air temperature difference, heat exchange efficiency is slightly lower than when introducing outdoor air, but indoor air is comparatively dry, can not produce the comdenstion water in the heat transfer in-process, the comdenstion water that produces when the outdoor air inlet of accessible evaporation simultaneously was eliminated. Through the alternate use in first air inlet duct and second air inlet duct, further improve the heat exchange efficiency of flue gas and air heat transfer to realize the effect of new trend input and clear away the comdenstion water.
According to some embodiments of the gas-fired heating water heater of the first aspect of the present invention, a switch is disposed in the air inlet pipe, and the switch is configured to switch the first air inlet duct and the second air inlet duct, so that the first air inlet duct and the second air inlet duct are alternately connected to the second channel. The first air inlet channel and the second air inlet channel are switched through the selector switch, so that the outdoor air inlet and the indoor circulating air inlet can be used alternately, and the operating time proportion of two air inlet modes can be controlled by the selector switch.
According to some embodiments of the gas-fired heating water heater of the first aspect of the present invention, the gas-fired heating water heater further comprises a controller, wherein the first air inlet duct and the second air inlet duct are respectively provided with an electric control valve switch, and the controller is connected to the electric control valve switches. The first air inlet channel and the second air inlet channel are controlled to be switched between an open state and a closed state through an electric control valve switch and are controlled by a controller, when the first air inlet channel is opened, the second air inlet channel is closed, and when the second air inlet channel is opened, the first air inlet channel is closed; the controller can also control the operation time proportion of the two air inlet modes.
According to some embodiments of the gas heating water heater of the first aspect of the present invention, the waste heat exchanger is a plate heat exchanger, a plurality of layers of thin-walled channels are disposed in the waste heat exchanger, and the first channel and the second channel are alternately disposed in the waste heat exchanger.
According to some embodiments of the gas-fired water heating furnace of the first aspect of the present invention, the gas outlet end of the first channel is provided with a secondary condensation heat exchanger. A large amount of heat is still remained in the flue gas discharged from the first channel of the waste heat exchanger, and then the residual heat is partially exchanged into the return water through the secondary condensation heat exchanger, so that the heat of the flue gas is further utilized, and the energy efficiency is improved.
According to some embodiments of the gas-fired heating water heater of the first aspect of the present invention, two ends of the first channel are respectively provided with a first connection head, and the waste heat exchanger is respectively connected to the water heater fan and the smoke exhaust pipe through the first connection heads.
According to some embodiments of the gas-fired heating water heater of the first aspect of the present invention, the two ends of the second channel are respectively provided with a second connection head, and the waste heat exchanger is respectively connected to the air inlet pipe and the air outlet pipe through the second connection heads.
According to some embodiments of the gas-fired water heater of the first aspect of the present invention, an air filtering device is disposed inside the air inlet pipe, and the air filtering device is used for purifying fresh outdoor air and turbid indoor air.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a gas heating water heater according to the present invention.
The reference numbers illustrate:
the waste heat recovery device comprises a furnace body 100, a waste heat exchanger 200, a first connecting head 210, a second connecting head 220, a hot water furnace fan 300, an air inlet pipe 400, a first air inlet duct 410, a second air inlet duct 420, a change-over switch 430, an air outlet pipe 500 and a smoke exhaust pipe 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, several means are one or more, and more means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the embodiment of the gas-fired heating water heater provided by the invention comprises a furnace body 100, wherein a combustion part, a water heater fan 300 and a waste heat exchanger 200 are arranged in the furnace body 100.
In this embodiment, the waste heat exchanger 200 is preferably a plate heat exchanger, a plurality of layers of thin-wall channels are arranged in the waste heat exchanger 200, each thin-wall channel includes a first channel for introducing high-temperature flue gas and a second channel for introducing low-temperature air, and the high-temperature flue gas and the low-temperature air perform heat exchange in the waste heat exchanger 200; the first channel and the second channel are alternately arranged in the waste heat exchanger 200, so that the heat exchange efficiency is improved.
In addition, in other embodiments, the waste heat exchanger 200 may also adopt heat exchangers of other structures, and heat exchange between high-temperature flue gas and low-temperature air is realized by arranging a first channel and a second channel which are independent of each other.
Specifically, the waste heat exchanger 200 is further provided with a first connector 210 and a second connector 220. Two ends of a first channel of the waste heat exchanger 200 are respectively connected with the hot water furnace fan 300 and the smoke exhaust pipe 600 through the first connecting head 210, and high-temperature smoke is discharged through the hot water furnace fan 300 and enters the smoke exhaust pipe 600 after passing through the waste heat exchanger 200. Two ends of a second channel of the waste heat exchanger 200 are respectively connected with an air inlet pipe 400 and an air outlet pipe 500 through a second connector 220, the air inlet pipe 400 introduces air into the second channel of the waste heat exchanger 200, and the air is discharged into indoor air through the air outlet pipe 500 after being heated in the waste heat exchanger 200 for heating.
Preferably, be provided with the air exhauster in air-out pipe 500, the air exhauster is located the one side of waste heat exchanger 200 air-out, compares in setting up in the one side of air inlet, and the pressure loss in whole wind channel can effectively be reduced to the mode of suction to can use the air exhauster of less power, reduce the complete machine noise.
The working process of the heating water heater of the embodiment is as follows: the high-temperature flue gas after primary heat exchange is discharged from the fan 300 of the water heater and enters the first channel of the waste heat exchanger 200 through the first connecting head 210, meanwhile, the low-temperature air outside the furnace body 100 enters the second channel of the waste heat exchanger 200 from the air inlet pipe 400 under the action of the exhaust fan, and the low-temperature air in the second channel exchanges heat with the high-temperature flue gas in the first channel. The low-temperature air is heated by the waste heat exchanger 200 and then discharged into the indoor air through the air outlet pipe 500 for heating. Contrast prior art, the gas heating water heater of this embodiment is provided with first passageway and second passageway in waste heat exchanger 200, lead to high temperature flue gas in the first passageway, lead to low temperature air in the second passageway, high temperature flue gas and low temperature air carry out the heat exchange in waste heat exchanger 200, the end of heating is discharged to the air after the intensification, the heat of high temperature flue gas directly enters into in the middle of the end air circumstance of heating through the air promptly, this "medium" of fin has been saved, make the heat after the exchange can hundred percent release to the air circumstance of heating end, the efficiency is improved, energy loss is reduced, it is more energy-conserving high-efficient.
Further, referring to fig. 1, in the present embodiment, a first air inlet duct 410 and a second air inlet duct 420 are disposed on the air inlet pipe 400. The first air intake duct 410 extends to the outside for introducing outdoor air, and the second air intake duct 420 for introducing indoor air for heating by circulation heating. A switch 430 is disposed in the air inlet pipe 400, and the switch 430 is used for switching the first air inlet duct 410 and the second air inlet duct 420, so that the first air inlet duct 410 and the second air inlet duct 420 are alternately connected to the second channel. The first air inlet duct 410 and the second air inlet duct 420 of the present embodiment provide two air inlet manners, and the first air inlet duct 410 and the second air inlet duct 420 can be alternately used by the switch 430. When outdoor air is introduced by adopting the first air inlet duct 410, the waste heat exchanger 200 has high efficiency due to the large temperature difference between the flue gas temperature and the outdoor low-temperature air, and fresh air is obtained to enter a heating end; however, when outdoor air is introduced, since the outdoor air has a certain humidity, a small amount of condensed water is generated and stays on the wall surface of the waste heat exchanger 200 when heat exchange is performed by the waste heat exchanger 200. When the second air inlet duct 420 is used for introducing indoor air for internal circulation, the temperature difference between the flue gas and the indoor air is small, so that the heat exchange efficiency is slightly lower than that when outdoor air is introduced, but the indoor air is dry, condensed water cannot be generated in the heat exchange process, and the condensed water generated in the process of outdoor air inlet can be eliminated through evaporation. Through the alternative use of first air inlet duct 410 and second air inlet duct 420, further improve the heat exchange efficiency of flue gas and air heat transfer to realize the effect of new trend input and clear away the comdenstion water. The present embodiment can also control the operation time ratio of the two air intake modes by using the switch 430.
In addition, in the second embodiment of the present invention, the air inlet pipe 400 is provided with a first air inlet duct 410 and a second air inlet duct 420, and a controller, wherein the first air inlet duct 410 and the second air inlet duct 420 are respectively provided with an electrically controlled valve switch, and the controller is connected to the electrically controlled valve switch. The first air inlet duct 410 and the second air inlet duct 420 are controlled by an electric control valve switch to be switched between an open state and a closed state, the controller controls the first air inlet duct 410 and the second air inlet duct 420 to be switched off when the first air inlet duct 410 is opened, and the first air inlet duct 410 is switched off when the second air inlet duct 420 is opened; the controller can also control the operation time proportion of the two air inlet modes. It is easy to think that in other embodiments, the operating states of the first air inlet duct 410 and the second air inlet duct 420 can be switched by means other than the switch 430 and the electrically controlled valve switch.
Furthermore, the air outlet end of the first channel can be provided with a secondary condensation heat exchanger. A large amount of heat remains in the flue gas discharged from the first channel of the waste heat exchanger 200, and then the residual heat is partially exchanged into the return water through the secondary condensation heat exchanger, so that the heat of the flue gas is further utilized, the heat of the discharged flue gas is reduced, and the energy efficiency is improved.
Further, the air inlet pipe 400 can be internally provided with an air filtering device which can be an air filter screen and the like, and the air filtering device is used for purifying outdoor fresh air and indoor turbid air.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A gas heating water heater, characterized by that includes:
a furnace body (100);
the waste heat exchanger (200) is arranged in the furnace body (100), a first channel and a second channel which are independent of each other are arranged in the waste heat exchanger (200), high-temperature smoke passes through the first channel, low-temperature air passes through the second channel, and the high-temperature smoke and the low-temperature air exchange heat in the waste heat exchanger (200);
the hot water furnace fan (300) is arranged in the furnace body (100), the hot water furnace fan (300) is connected with the air inlet end of the first channel, and the hot water furnace fan (300) discharges high-temperature flue gas into the first channel;
the air inlet pipe (400), the air inlet end of said second channel of said air inlet pipe (400) connection, the said air inlet pipe (400) introduces the air into said second channel;
and the air outlet pipe (500) is connected with the air outlet end of the second channel (500).
2. The gas-fired heating water heater according to claim 1, further comprising an exhaust fan disposed in the air outlet pipe (500).
3. The gas-fired heating water heater according to claim 1 or 2, wherein a first air intake duct (410) and a second air intake duct (420) are provided on the air intake pipe (400), the first air intake duct (410) is used to introduce outdoor air, and the second air intake duct (420) is used to introduce indoor air.
4. The gas-fired heating water heater according to claim 3, wherein a switch (430) is disposed in the air inlet pipe (400), and the switch (430) is used for switching the first air inlet duct (410) and the second air inlet duct (420), so that the first air inlet duct (410) and the second air inlet duct (420) are alternately connected to the second channel.
5. The gas-fired heating water heater according to claim 3, further comprising a controller, wherein the first air intake duct (410) and the second air intake duct (420) are respectively provided with an electric control valve switch, and the controller is connected with the electric control valve switches.
6. The gas-fired heating water heater according to claim 1, wherein the waste heat exchanger (200) is a plate heat exchanger (200), a plurality of layers of thin-walled channels are arranged in the waste heat exchanger (200), and the first channel and the second channel are alternately arranged in the waste heat exchanger (200).
7. The gas-fired heating water heater according to claim 1, wherein a secondary condensing heat exchanger is provided at an outlet end of the first channel.
8. The gas-fired heating water heater according to claim 1, wherein both ends of the first passage are respectively provided with a first connector (210).
9. The gas-fired heating water heater according to claim 1, wherein both ends of the second channel are respectively provided with a second connector (220).
10. The gas-fired heating water heater according to claim 1, wherein an air filtering device is provided inside the air inlet pipe (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397474.6A CN112556189A (en) | 2020-12-04 | 2020-12-04 | Gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397474.6A CN112556189A (en) | 2020-12-04 | 2020-12-04 | Gas heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112556189A true CN112556189A (en) | 2021-03-26 |
Family
ID=75047811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397474.6A Pending CN112556189A (en) | 2020-12-04 | 2020-12-04 | Gas heating water heater |
Country Status (1)
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| CN (1) | CN112556189A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102908A (en) * | 2010-11-08 | 2012-05-31 | Nippon Thermoener Co Ltd | Heat recovery apparatus of exhaust gas in vacuum water heating machine and heat recovery method using the same |
| CN202403360U (en) * | 2012-01-04 | 2012-08-29 | 西安工程大学 | Gas type rotating wheel and evaporative cooling and mechanical refrigerating combined air conditioner |
| CN107062613A (en) * | 2017-06-29 | 2017-08-18 | 西安富凯能源科技有限责任公司 | A kind of method that wall-hung boiler is changed condensing by on-condensing |
| CN107131645A (en) * | 2017-06-29 | 2017-09-05 | 西安富凯能源科技有限责任公司 | A kind of deep condensation wall hanging furnace system |
| CN207050229U (en) * | 2017-04-21 | 2018-02-27 | 中山市樱雪集团有限公司 | Inverted combustion gas heating water heater |
| CN110254171A (en) * | 2019-06-28 | 2019-09-20 | 中原工学院 | A kind of air conditioning system for automotive vehicles with fast cooling dehumidifying defrosting function |
| CN110953893A (en) * | 2019-11-27 | 2020-04-03 | 佛山市步鹿节能科技有限公司 | High-efficient burning waste heat recovery system |
| CN214665245U (en) * | 2020-12-04 | 2021-11-09 | 广东万和热能科技有限公司 | Gas heating water heater |
-
2020
- 2020-12-04 CN CN202011397474.6A patent/CN112556189A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102908A (en) * | 2010-11-08 | 2012-05-31 | Nippon Thermoener Co Ltd | Heat recovery apparatus of exhaust gas in vacuum water heating machine and heat recovery method using the same |
| CN202403360U (en) * | 2012-01-04 | 2012-08-29 | 西安工程大学 | Gas type rotating wheel and evaporative cooling and mechanical refrigerating combined air conditioner |
| CN207050229U (en) * | 2017-04-21 | 2018-02-27 | 中山市樱雪集团有限公司 | Inverted combustion gas heating water heater |
| CN107062613A (en) * | 2017-06-29 | 2017-08-18 | 西安富凯能源科技有限责任公司 | A kind of method that wall-hung boiler is changed condensing by on-condensing |
| CN107131645A (en) * | 2017-06-29 | 2017-09-05 | 西安富凯能源科技有限责任公司 | A kind of deep condensation wall hanging furnace system |
| CN110254171A (en) * | 2019-06-28 | 2019-09-20 | 中原工学院 | A kind of air conditioning system for automotive vehicles with fast cooling dehumidifying defrosting function |
| CN110953893A (en) * | 2019-11-27 | 2020-04-03 | 佛山市步鹿节能科技有限公司 | High-efficient burning waste heat recovery system |
| CN214665245U (en) * | 2020-12-04 | 2021-11-09 | 广东万和热能科技有限公司 | Gas heating water heater |
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