CN110260309A - Air heating device and gas water heater - Google Patents
Air heating device and gas water heater Download PDFInfo
- Publication number
- CN110260309A CN110260309A CN201910492873.1A CN201910492873A CN110260309A CN 110260309 A CN110260309 A CN 110260309A CN 201910492873 A CN201910492873 A CN 201910492873A CN 110260309 A CN110260309 A CN 110260309A
- Authority
- CN
- China
- Prior art keywords
- air
- heating
- heating apparatus
- shell
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 127
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 61
- 238000001914 filtration Methods 0.000 claims description 35
- 239000000567 combustion gas Substances 0.000 claims description 33
- 238000002485 combustion reaction Methods 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention provides an air heating device and a gas water heater, wherein the air heating device is communicated with an air guide port for guiding air into the gas water heater, and the air heating device comprises: the heating shell is used for limiting a heating cavity, the heating cavity is communicated with the air guide opening, and the heating shell is provided with an air inlet; the heating part is arranged in the heating cavity and is configured to heat air in the heating cavity; the air heating device is configured to enable external air to enter the heating cavity from the air inlet and be guided to the air guide opening after being heated. The air heating device can heat the air entering the gas water heater, and the nitrogen-hydrogen compounds generated after the heated air and the gas are mixed and combusted are obviously reduced. Therefore, the air heating device can effectively improve the safety performance of the gas water heater.
Description
Technical field
The present invention relates to heating device technology area, in particular to a kind of air heating apparatus and gas heater.
Background technique
Gas heater has become one of machine for kitchen use equipment indispensable in Modern Family, the combustion even of burner
Property, the key performances such as discharge of harmful substance are one of core index of gas heater.Wherein all-premixing burner is because of its dirt
It is low to contaminate object discharge, combustion intensity is high, adjustable range is big, is not easy the features such as being tempered, to be widely adopted.In this background,
Research high combustion efficiency, pollutant emission low fuel gas buring technology and burner, for improving the gear of domestic gas tool,
The application that combustion gas is widened in industrial circle has important theory significance and practical application value.
In recent years, it is desirable that reduce burning pollutant discharge cry it is increasingly strong, it is some country oneself promulgated successively strictly
Discharge standard, including the discharge standard of the pollutants such as civilian burning appliance nitrogen oxides.Civilian burning appliance uses indoors,
Even if the pollutant of discharge also tends to be more than concentration limit as defined in Indoor Air Quality standards under good ventilation condition, because
The industrial combustion equipment and civilian burning appliance of this exploitation low pollution are imperative.
Summary of the invention
The purpose of the present invention is to provide a kind of air heating apparatus and gas heaters, it is intended to which solution is fired in the prior art
Oxynitrides production quantity in gas water heater is high, the problem of safety difference.
The invention is realized in this way a kind of air heating apparatus, the air heating apparatus and gas heater are led
Enter the air guide port connection of air, the air heating apparatus includes:
Heated shell limits heating chamber, and the heating chamber is connected to the air guide port, and the heated shell has air inlet
Mouthful；
Heating part is set to the heating chamber, is configured to heat the air in the heating chamber；
Wherein, the air heating apparatus is configured to make outside air to be entered in the heating chamber by the air inlet to heat
After be oriented to the air guide port.
Further, further includes:
Air filtering assembly, the air inlet being set in the heating chamber are configured to filtering and enter the heating
The air of chamber.
Further, the air filtering assembly includes air-inlet grille；And/or
The air filtering assembly includes filter screen；And/or
The air filtering assembly includes filtering sponge.
Further, the air filtering assembly includes air-inlet grille, filter screen and filtering sponge；
The air-inlet grille, the filter screen and the filtering sponge are sequentially set to the air inlet from outside to inside
Mouthful.
Further, the heating part is set to the inner sidewall opposite with the air inlet of the heated shell.
Further, the heated shell limits the heating chamber in cuboid.
The second aspect of the present invention additionally provides a kind of gas heater,
Including air heating apparatus described in any of the above embodiments.
Further, comprising:
External shell, the air heating apparatus are set to outside the external shell；
Drainage pipe is connected to the air heating apparatus, is configured to the sky after heating in the air heating apparatus
Conductance is into the external shell.
Further, further includes:
Heat exchanger, including fluid line are provided with hot water to be added in the fluid line；
Combustion section, for lighting the combustion gas flowed through, to heat the heat exchanger；
Jet flow portion is configured to the mixture of the combustion gas and the air spraying to the combustion section；
Mixed flow set, is socketed the jet flow portion, and the mixed flow set is connected to the external pipe, is configured to the exterior tube
The combustion gas mixing of air derived from road and jet flow portion injection.
Further, the mixed flow set is funnel-shaped, and the jet flow portion is connected with the tip that the mixed flow covers.
Compared with prior art, the air heating apparatus in the present invention can carry out the air entered in gas heater
Heating, the hydronitrogen that the air after heating generates after being mixed and burned with combustion gas significantly reduce.Therefore the sky in the present invention
Gas heating device can effectively improve the security performance of gas heater.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram for the gas heater that an embodiment of the present invention provides；
Fig. 2 is the schematic front view for the gas heater that an embodiment of the present invention provides；
Fig. 3 is the schematic cross-sectional view for the gas heater that an embodiment of the present invention provides；
Fig. 4 is the partial enlargement diagram at the A of Fig. 3；
Fig. 5 is the stereoscopic schematic diagram for the gas heater that another embodiment of the invention provides；
Fig. 6 is the schematic front view for the gas heater that another embodiment of the invention provides；
Fig. 7 is the first schematic cross-sectional view of the gas heater that another embodiment of the invention provides；
Fig. 8 is the second schematic cross-sectional view of the gas heater that another embodiment of the invention provides；
Fig. 9 is the second section view for showing outside air and flowing to for the gas heater that another embodiment of the invention provides
Schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is preferred embodiments of the present invention as described in Fig. 1-9.
The present invention provides a kind of air heating apparatus 200, and the heating device is for the air guide port with gas heater 100
Connection, and air guide port will be imported after heating external air.Air heating apparatus 200 includes heated shell 210 and heating part
250.Heated shell 210 limits heating chamber, and heating chamber is connected to air guide port, and heated shell 210 has air inlet.Heating part
250 are set to heating chamber, and are configured to heat the air in heating chamber.Heating part 250 is specifically as follows electric heating wire.
Outside air is heated portion 250 and is heated after being entered in heating chamber by the air inlet of heating shell, the sky after heating
Gas is imported in gas heater 100 by the air guide port of gas heater 100 and is mixed with the combustion gas in gas heater 100
Burning.
Air heating apparatus 200 in the present embodiment can heat the air entered in gas heater 100, add
The hydronitrogen that air after heat generates after being mixed and burned with combustion gas significantly reduces.Therefore the air heating in the present embodiment
Device 200 can effectively improve the security performance of gas heater 100.
Air heating apparatus 200 can also further include air filtering assembly.Air filtering assembly is set in heating chamber
Air inlet, and it is configured to the air that filtering enters in heating chamber.Specifically, air filtering assembly may include air-inlet grille
220 and/or filter screen 230 and/or filtering sponge 240.When air filtering assembly includes simultaneously above-mentioned three, by outside extremely
It is interior, air-inlet grille 220, filter screen 230 and filtering sponge 240, i.e. outside air sequentially can be set and first pass through air inlet grille
Grid 220, after sponge 240 and eventually entered into heating chamber by filter screen 230, using filtering.
In a kind of embodiment, whole heated shell 210 can be in cuboid, and have that there are six wall surfaces.Heated shell 210
Limit the heating chamber in cuboid.Heating part 250 can be attached at one of inner sidewall of heated shell 210, and
The air inlet of heated shell 210 can be set on opposite with heating part 250 wall surface for heated shell 210, in this way may be used
The temperature generated to avoid heating part 250 destroys air filtering assembly.In other examples, heated shell 210
It can also be other arbitrary shapes.
The second aspect of the present invention additionally provides a kind of gas heater 100, for heating to water.The gas and hot water
Device 100 includes the air heating apparatus 200 of any of the above-described.Further, gas heater 100 further includes external shell 130
And drainage pipe 131.Air heating apparatus 200 is set to outside external shell 130, can specifically be installed on external shell 130
Lower end.Drainage pipe 131 is connected to air heating apparatus 200, is configured to the air after heating in air heating apparatus 200
In directed outwards shell 130.It on the one hand can be convenient replacement air filtration by the way that heating device to be set to outside external shell 130
On the other hand device also facilitates the maintenance of air heating apparatus 200.
Gas heater 100 further includes heat exchanger 140, combustion section 150, jet flow portion 170 and mixed flow set 132.Heat exchanger
140 include fluid line 141, is provided with hot water to be added in fluid line 141.Combustion section 150 is used to light the combustion gas flowed through, with
Heating heat exchanger 140.Jet flow portion 170 is configured to the mixture of combustion gas and air spraying to combustion section 150.132 socket of mixed flow set
Jet flow portion 170, mixed flow set 132 are connected to external pipe, are configured to spray air derived from external pipe with jet flow portion 170
Combustion gas mixing.Further, mixed flow set 132 is funnel-shaped, and jet flow portion is connected with the tip of mixed flow set 132.
The present invention also provides a kind of air burner that can utilize waste heat, which may be disposed at arbitrary benefit
With in the equipment of gas heating, such as the gas heater 100 of household.Air burner also may include heat exchanger 140, combustion section
150, jet flow portion 170 and heating channel 123.
Heat exchanger 140 includes fluid line 141 and the fin being set to outside fluid line 141, fin and fluid line
141 connections improve the heat exchange efficiency of fluid line 141 for increasing the heat exchange area of fluid line 141.In fluid line 141
It is provided with fluid to be heated, specifically, when air burner is the gas heater 100 of household, in fluid line 141
Fluid can be tap water.Certainly, in other examples, fluid can also be other flowing materials for needing to heat.
For combustion section 150 for lighting the combustion gas flowed through, i.e. combustion gas is burned the height that portion 150 generates after passing through combustion section 150
Warm spot combustion.The temperature that combustion gas after lighting generates is used for heating heat exchanger 140, so that the fluid in fluid line 141 heats up.
Specifically, combustion section 150 conducting electric current and can generate the heating steel sheet or steel wire of high temperature for one piece, while combustion section
150 can also be that can produce pyrophoric igniter.It should be noted that any component that combustion gas can be made to be ignited, can
It is considered as the combustion section 150 in the present embodiment.
Jet flow portion 170 is configured to the mixture of combustion gas and air spraying to combustion section 150.Combustion gas is directed to jet flow portion 170
It is sprayed afterwards by jet flow portion 170 and is oriented to combustion section 150, so that combustion gas is ignited.
Heating channel 123 is used to guide the air with combustion gas mixing burning, and channel 123 of heating up is configured to make the sky in it
Aspiration combustion gas is oriented to jet flow portion 170 after being ignited generated heat.Burning can be absorbed in the air to heat up in channel 123
The heat and heating, the air after heating in portion 150 are directed to jet flow portion 170, and latter with combustion gas mixing derived from jet flow portion 170
Play guiding combustion section 150.Specifically, heating channel 123 can be individually pipeline in a tubular form and be also possible to other and can draw
The channel of flow guide.Air in heating channel 123 can directly absorb the heat that the flame lighted in burned portion 150 generates,
The heat that the flame lighted in burned portion 150 generates can also be absorbed indirectly.When directly absorbing, combustion gas can be made to light generation
Flame directly act on heating channel 123.When indirect absorb, heating channel 123 can be made to absorb its being heated by the flame
The heat of his component.
Air burner in the present embodiment is by will be sent to again combustion section after the air to burn with combustion gas mixing heating
150, so that higher with the temperature of the air of gas reaction, pole is conducive to reduce the oxynitrides generated after fuel gas buring, so that
Air burner is safer.
On the one hand particularly, the heat that flame after the present invention is ignited using the combustion gas of itself generates heats air,
The additional cost for increasing heating device is saved, on the other hand also reduces the volume of air burner, another aspect can be with
The waste heat for making full use of burner, reduces energy consumption, has more practical application value.
In a kind of embodiment, air burner can also include first shell 110.First shell 110 limits combustion chamber
Room.Heat exchanger 140, combustion section 150 are all set in combustion chamber, and first shell 110 includes air inlet 112 and gas outlet
1111, first shell 110 is configured to enter the mixture of combustion gas and air after combustion chamber burning by outlet by air inlet 112
Mouth 1111 exports.As shown in fig. 7, the mixture of combustion gas and air enters first shell by the air inlet 112 of first shell 110
Combustion section 150 is directed to after in 110, combustion gas is burned portion 150 and lights and generate flame, and flame is used for heating heat exchanger 140, and
First shell 110 is discharged by gas outlet 1111 in the exhaust gas generated after fuel gas buring.In a kind of embodiment, heating pipeline passes through absorption
The temperature of first shell 110 and heat the air in it.Specifically, heating channel 123 can be made to be attached at first shell 110
Outer surface.
Air supply device 160 is provided at the air inlet 112 of first shell 110, air supply device 160 is configured to make air and combustion
The accelerated guiding combustion section 150 of the mixture of gas.Specifically, air supply device 160 can be axial flow blower, the flabellum of axial flow blower
Power is generated by rotation, the power of generation is used to push the mixture of combustion gas and air.
In a kind of embodiment, air burner further includes second shell 120, and second shell 120 is sheathed on first shell 110
Outside, and with first shell 110 heating channel 123 is limited jointly.Cavity i.e. between second shell 120 and first shell 110
For channel 123 of heating up, the air in heating channel 123 can be made to fully absorb the heat in first shell 110 in this way, reduce energy
Source loss improves heating efficiency.Certainly, in other examples, second shell 120 can also only be attached at first shell
110 one of surface.
As shown in Fig. 7 to Fig. 8, second shell 120 has the jet port 122 opposite with air inlet 112, and jet flow portion 170 is wrapped
Gas nozzle is included, gas nozzle is set to jet port 122, and gas nozzle is configured to spraying to combustion gas into air inlet 112, so that rising
Air in warm channel 123 follows combustion gas to be imported into first shell 110 together.The air to heat up in pipeline can be by jet flow
Portion 170 generate injection power and drive and flow to combustion section 150.Certainly, after being provided with air supply device 160, air is moved
Power source is mainly provided by air supply device 160.
First shell 110 includes escape pipe 111 in a tubular form, and the valve of control exhaust gas discharge is additionally provided in escape pipe 111
The end of door 1112, escape pipe 111 has gas outlet 1111.Second shell 120 further includes air guide port 121, and air guide port 121 is in ring
Shape, and limited jointly by second shell 120 and escape pipe 111.The gas outlet of first shell 110 can be preferably solved in this way
1111 the problem of being also easy to produce location conflicts with the air guide port 121 of second shell 120.And it but also flows into heating channel 123
The flowing of air and the exhaust gas in discharge first shell 110 is independent of each other.
In order to achieve the purpose that air that purification flows into heating channel 123, in the present embodiment, may be used also at air guide port 121
Air filtering assembly 180 is arranged.Air filtering assembly 180 may include air-inlet grille and/or filter screen and/or filtering sea
It is continuous.When air filtering assembly 180 includes simultaneously the above three, air-inlet grille, filter screen can be set in sequence from outside to inside
And filtering sponge.Air filtering assembly 180 can be isolated well into the impurity in the air in heating channel 123, protection
The internal element of air burner extends the service life of air burner.
In a kind of embodiment, when air burner includes simultaneously above-mentioned first shell 110 and second shell 120.
It can also include the first external pipe 142 and the second external pipe 143.First exterior line is for directing fluid into fluid
Pipeline 141, the first exterior line by sequentially pass through outside second shell 120 after second shell 120 and first shell 110 with fluid
Pipeline 141 is connected to.Second exterior line is used to export the fluid in fluid line 141, and the second exterior line is by first shell
First shell 110 and second shell 120 are sequentially passed through in 110 and export fluid to outside second shell 120.The above structure can
To make the fluid after heating carry out flow circuit well.The external fluid of low temperature is by 142 incoming fluid pipe of the first external pipe
It is exported and is used by the second external pipe 143 after being heated in road 141.
In another embodiment of the present invention, there is also provided a kind of gas heater 100, which includes upper
The air burner in any embodiment is stated, wherein the fluid in fluid line 141 is water.I.e. tap water is by the first external pipe
It is flowed out and is used by the second external pipe 143 after being heated in 142 incoming fluid pipelines 141.
As shown in figure 9, the specific flow process of air for combustion are as follows: be first filtered by air filtering assembly 180
And entering the heating channel 123 between first shell 110 and second shell 120, air is by absorbing first when heating channel 123
After the heat of shell 110 be oriented to jet flow portion 170 and with jet flow portion 170 spray combustion gas mixed, mixed mixture by
Air supply device 160 is oriented to combustion section 150, the tap water in 150 burning mixts of combustion section and heating heat exchanger 140, mixture
The exhaust gas generated after burning is then exported outside gas heater 100 by gas outlet 1111.
Gas heater 100 further includes external shell 130, and first shell 110 is coated, is used for by external shell 130
Protect its internal element.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of air heating apparatus, which is characterized in that the importing air of the air heating apparatus and gas heater is led
Port connection, the air heating apparatus include:
Heated shell limits heating chamber, and the heating chamber is connected to the air guide port, and the heated shell has air inlet；
Heating part is set to the heating chamber, is configured to heat the air in the heating chamber；
Wherein, the air heating apparatus be configured to make outside air entered in the heating chamber by the air inlet heat after lead
To the air guide port.
2. air heating apparatus as described in claim 1, which is characterized in that further include:
Air filtering assembly, the air inlet being set in the heating chamber are configured to filtering and enter the heating chamber
Air.
3. air heating apparatus as claimed in claim 2, which is characterized in that
The air filtering assembly includes air-inlet grille；And/or
The air filtering assembly includes filter screen；And/or
The air filtering assembly includes filtering sponge.
4. air heating apparatus as claimed in claim 2, which is characterized in that
The air filtering assembly includes air-inlet grille, filter screen and filtering sponge；
The air-inlet grille, the filter screen and the filtering sponge are sequentially set to the air inlet from outside to inside.
5. the air heating apparatus as described in claim 1-4 is any, which is characterized in that
The heating part is set to the inner sidewall opposite with the air inlet of the heated shell.
6. air heating apparatus as claimed in claim 5, which is characterized in that
The heated shell limits the heating chamber in cuboid.
7. a kind of gas heater, which is characterized in that
Including air heating apparatus as claimed in any one of claims 1 to 6.
8. gas heater as claimed in claim 7 characterized by comprising
External shell, the air heating apparatus are set to outside the external shell；
Drainage pipe is connected to the air heating apparatus, is configured to lead the air after heating in the air heating apparatus
Into the external shell.
9. gas heater as claimed in claim 8, which is characterized in that further include:
Heat exchanger, including fluid line are provided with hot water to be added in the fluid line；
Combustion section, for lighting the combustion gas flowed through, to heat the heat exchanger；
Jet flow portion is configured to the mixture of the combustion gas and the air spraying to the combustion section；
Mixed flow set, is socketed the jet flow portion, and the mixed flow set is connected to the external pipe, is configured to lead the external pipe
The combustion gas mixing of air and jet flow portion injection out.
10. gas heater as claimed in claim 9, which is characterized in that
The mixed flow set is funnel-shaped, and the jet flow portion is connected with the tip that the mixed flow covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492873.1A CN110260309A (en) | 2019-06-06 | 2019-06-06 | Air heating device and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492873.1A CN110260309A (en) | 2019-06-06 | 2019-06-06 | Air heating device and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110260309A true CN110260309A (en) | 2019-09-20 |
Family
ID=67917129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910492873.1A Pending CN110260309A (en) | 2019-06-06 | 2019-06-06 | Air heating device and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110260309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021244493A1 (en) * | 2019-10-17 | 2021-12-09 | 芜湖美的厨卫电器制造有限公司 | Burner and gas water heater |
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| WO2017193479A1 (en) * | 2016-05-13 | 2017-11-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN108954799A (en) * | 2018-08-13 | 2018-12-07 | 芜湖美的厨卫电器制造有限公司 | Combustion heat-exchange device, burnt gas wall hanging furnace and gas heater |
| CN109708299A (en) * | 2017-10-25 | 2019-05-03 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN210772156U (en) * | 2019-06-06 | 2020-06-16 | 华帝股份有限公司 | Air heating device and gas water heater |
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2019
- 2019-06-06 CN CN201910492873.1A patent/CN110260309A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017193479A1 (en) * | 2016-05-13 | 2017-11-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN106931558A (en) * | 2017-03-31 | 2017-07-07 | 赵勇 | A kind of fully-automatic intelligent air cleaning unit |
| CN109708299A (en) * | 2017-10-25 | 2019-05-03 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN108954799A (en) * | 2018-08-13 | 2018-12-07 | 芜湖美的厨卫电器制造有限公司 | Combustion heat-exchange device, burnt gas wall hanging furnace and gas heater |
| CN210772156U (en) * | 2019-06-06 | 2020-06-16 | 华帝股份有限公司 | Air heating device and gas water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021244493A1 (en) * | 2019-10-17 | 2021-12-09 | 芜湖美的厨卫电器制造有限公司 | Burner and gas water heater |
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