CN208025853U - Gas heater - Google Patents
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- CN208025853U CN208025853U CN201820237450.6U CN201820237450U CN208025853U CN 208025853 U CN208025853 U CN 208025853U CN 201820237450 U CN201820237450 U CN 201820237450U CN 208025853 U CN208025853 U CN 208025853U
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- catalytic portions
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Abstract
The utility model provides a kind of gas heater, including：Shell；Heat exchanger is arranged in shell；At least two catalytic portions are arranged in shell, are spaced apart and arranged on heat exchanger.The utility model is by being arranged at least two catalytic portions, so that pernicious gas is converted into innocuous gas by the catalytic action of catalytic portions, and then ensure use reliability and the safety of product, and reduce pollution to external environment, simultaneously, at least two catalytic portions are spaced apart and arranged on heat exchanger, so that catalytic portions and the pernicious gas progress within the scope of different temperatures are comprehensive, the contact of multi-angle, and then enhance the catalysis reagentia of catalytic portions, since the installation position difference of catalytic portions makes the catalytic capability that catalytic portions can targetedly be arranged according to the trend of air-flow, and then reduce production cost while ensureing the performance of catalytic portions.
Description
Technical field
The utility model is related to household electrical appliance technical fields, in particular to a kind of gas heater.
Background technology
With popularizing for city gas pipeline, gas heater has been obtained wide with the rapid feature of its instant-heating, water outlet
General application, it should be noted that user is concerned about the most or safety problem.It will produce an oxidation when gas water heater working
The pollutants such as carbon and nitrogen oxides.
Wherein, the main harm of carbon monoxide：It is 2 hours small to 3 in environment in a concentration of 200ppm of carbon monoxide ppm
When after have it is slight have a headache, be dizzy, nausea；Forehead in 2 hours in environment in a concentration of 400ppm of carbon monoxide ppm
Bitterly, it will be in peril of one's life after 3 hours；It has a headache in 45 minutes in environment in a concentration of 800ppm of carbon monoxide ppm, nausea, 2
It is dead in hour to 3 hours；It has a headache in 20 minutes in environment in carbon monoxide ppm concentration 1600ppm, nausea, in 1 hour
It is dead.
Nitrogen oxides main harm：Be chronically exposed in the nitrogen oxides environment of 1~1.5mg/l can cause bronchitis with
The lesions such as pulmonary emphysema, can cause the formation of denatured hemoglobin and Central nervous system has an impact.Nitrogen oxides is in strong sun
A kind of toxic smog azury is generated under light action, e.g., photochemical fog, photochemical fog to the eye of people, nose, the heart, lung and
Hematopoietic tissue etc. has strong impulse and detrimental effect, has carcinogenesis.Nitrogen oxides and ozone layer O3It is reacted, is disappeared
Consume a large amount of O3, destroy ozone layer.Nitrogen oxides meets water and generates nitric acid and nitrous acid, and reaches ground with rainwater, forms acid rain
Or acid mist, it pollutes the environment.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, the first aspect of the utility model proposes a kind of gas heater.
In view of this, the first aspect of the utility model proposes a kind of gas heater, including：Shell；Heat exchanger, if
It sets in shell；At least two catalytic portions are arranged in shell, are spaced apart and arranged on heat exchanger
A kind of gas heater provided by the utility model includes shell, heat exchanger and at least two catalytic portions.By setting
At least two catalytic portions are set, to the high-temperature flue gas that is generated when gas water heater working (as containing carbon monoxide, nitrogen oxides
High-temperature flue gas) carry out multistage catalytic so that and such as carbon monoxide, nitrogen oxides pernicious gas are by the catalytic action of catalytic portions
It is converted into innocuous gas, and then ensures use reliability and the safety of product, and reduces the pollution to external environment, together
When, the quantity of catalytic portions is at least two, and at least two catalytic portions are spaced apart and arranged on heat exchanger so that catalytic portions with not
Pernicious gas in synthermal range carries out comprehensive, multi-angle contact, and then enhances the catalysis reagentia of catalytic portions,
And since the installation position difference of catalytic portions makes the catalytic capability that catalytic portions can targetedly be arranged according to the trend of air-flow,
And then production cost is reduced in the case where ensureing the performance of catalytic portions, improve the competitiveness of product in market；Further,
Catalytic portions are arranged on heat exchangers, and the existing structure of gas heater is rationally utilized, and reduce to gas heater inside sky
Between occupancy, be convenient for the rational deployment of other component, and then further reduced production cost.Meanwhile the structure setting is closed
Reason, easy to process, installation and subsequent demolition and maintenance.
According to the above-mentioned gas heater of the utility model, there can also be following additional technical feature：
In the above-mentioned technical solutions, it is preferable that catalytic portions include：Carrier；Catalyst is arranged on carrier.
In the technical scheme, catalytic portions include carrier and catalyst, and carrier provides architecture basics for catalytic portions, are ensured
The structural strength of catalytic portions, and then convenient for the assembly of catalytic portions, catalyst is used for harmful gas such as carbon monoxide, nitrogen oxides
Body is converted into innocuous gas.
In any of the above-described technical solution, it is preferable that catalyst is an integral structure with carrier.
In the technical scheme, catalyst is arranged in a manner of coating on carrier, that is, catalyst is integral type with carrier
Structure, compact-sized and reliable and stable, occupied space area is small, and processing technology is simple, takes less, production cost is low.
In any of the above-described technical solution, it is preferable that carrier is honeycomb ceramic carrier；Catalyst is catalyzed for alundum (Al2O3)
Agent.
In the technical scheme, carrier is honeycomb ceramic carrier, and honeycomb ceramic carrier has the characteristics that stephanoporate thin wall, significantly
It increases the geometrical surface of carrier and improves the thermal shock resistance of carrier, be convenient for the attachment of catalyst, improve attachment
Power ensure that the structure and assembly intensity of catalytic portions；Catalyst is aluminum trioxide catalyst, is had the characteristics that heat-resist.
In any of the above-described technical solution, it is preferable that gas heater further includes：Air inlet is arranged on shell, is located at
Below heat exchanger；At least two catalytic portions are spaced apart and arranged in towards heat exchanger orientation on heat exchanger along air inlet.
In the technical scheme, by the way that air inlet, catalytic portions and the position of heat exchanger is rationally arranged so that close to air inlet
Surrounding's flue-gas temperatures of catalytic portions be higher than surrounding's flue-gas temperatures of the catalytic portions far from air inlet, therefore, close to air inlet
The initiation temperature of catalytic portions is higher than the initiation temperature of the catalytic portions far from air inlet, and initiation temperature is lower, the cost of catalytic portions
It is lower, therefore, which reduces production cost in the case where ensureing the catalytic performance of catalytic portions, improves product
The market competitiveness.
In any of the above-described technical solution, it is preferable that catalytic portions include：At least one first catalytic portions；When at least one
When the quantity of first catalytic portions is multiple, multiple first catalytic portions are spaced apart and arranged in along preset direction on heat exchanger；Wherein, in advance
Set direction is perpendicular to air inlet towards the direction of heat exchanger.
In the technical scheme, when the quantity of at least one first catalytic portions is multiple, multiple first catalytic portions are along pre-
Set direction is spaced apart and arranged on heat exchanger, that is, is realized the first catalytic portions and high-temperature flue gas and is carried out comprehensive, multi-angle and more
It dimensionally contacts, enhances the catalysis reagentia of catalytic portions, be effectively catalyzed pernicious gas, avoid such as carbon monoxide, nitrogen oxygen
The case where poisonous gas leakages such as compound, occurs, and ensure that safety and reliability that product uses, improves the use of product
Performance and the market competitiveness.
In any of the above-described technical solution, it is preferable that gas heater further includes：Heating part is arranged in shell, is located at
Between heat exchanger and air inlet.
In the technical scheme, make heating part between heat exchanger and air inlet by setting, and then in heating part
With under the common cooperation of heat exchanger, it ensure that the efficiency of heating surface of gas heater, reduce energy consumption.
In any of the above-described technical solution, it is preferable that the quantity of catalytic portions is two；Wherein, when gas water heater working,
The value range of flue-gas temperature a around the catalytic portions of air inlet is：600℃≤a≤1200℃；Away from urging for air inlet
The value range of flue-gas temperature b around change portion is：200℃≤b≤600℃.
In the technical scheme, the existing structure and its operation principle of gas heater is rationally utilized so that catalytic portions
Quantity be two, close to import catalytic portions initiation temperature be greater than close to outlet catalytic portions initiation temperature, catalysis
The initiation temperature in portion is lower, and the cost of catalytic portions is lower, therefore, the structure setting is in the case of the catalytic performance for ensureing catalytic portions
Production cost is reduced, the competitiveness of product in market is improved.Meanwhile the installation position by the way that catalytic portions are rationally arranged so that
The value range of flue-gas temperature a around the catalytic portions of air inlet is：600℃≤a≤1200℃；Away from urging for air inlet
The value range of flue-gas temperature b around change portion is：200 DEG C≤b≤600 DEG C, flue-gas temperature a and flue-gas temperature b are in it
Catalytic portions in range provide suitable temperature, help to improve the efficiency of conversion pernicious gas, and be within its range
Catalytic portions are not likely to produce carbon distribution, and then extend the service life of catalytic portions.
In any of the above-described technical solution, it is preferable that heat exchanger includes：Multiple fins, catalytic portions pass through multiple fins, dress
With on heat exchangers.
In the technical scheme, by the way that the positions of catalytic portions is rationally arranged so that catalytic portions pass through multiple fins, increase
The contact area of catalytic portions and heat exchanger ensure that the reliability and stability of catalytic portions and heat exchanger assembly.
In any of the above-described technical solution, it is preferable that heat exchanger further includes：Hydrophilic coating is arranged on fin.
In the technical scheme, by the way that hydrophilic coating is arranged so that hydrophilic coating is arranged on fin, works as gas heater
When operation, the water droplet on fin can drip under the action of hydrophilic coating, reduce the probability that fin corrodes, extend
The service life of heat exchanger, meanwhile, being arranged to hydrophilic coating can play the role of self-cleaning, ensure that the cleaning of fin surface
Degree, improves the radiating efficiency of fin.
In any of the above-described technical solution, it is preferable that gas heater further includes：Water pipe is arranged in shell, water pipe
One end is close to heat exchanger.
In the technical scheme, by the way that the installation position of water pipe and heat exchanger is rationally arranged so that one end of water pipe is close
Heat exchanger shortens the gap between one end of water pipe and heat exchanger, improves the efficiency of heating surface of water, realizes gas heater
Instant-heating, the rapid purpose of water outlet.
The additional aspect and advantage of the utility model will become apparent in following description section, or new by this practicality
The practice of type is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 shows the structural schematic diagram of the gas heater of one embodiment of the utility model.
Wherein, the correspondence in Fig. 1 between reference numeral and component names is：
1 gas heater, 10 fins, 20 catalytic portions, the first catalytic portions of 20a, the second catalytic portions of 20b, 30 heating parts, 40 water
Pipe.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Referring to Fig. 1 descriptions according to gas heater 1 described in the utility model some embodiments.
As shown in Figure 1, the embodiment of the utility model first aspect proposes a kind of gas heater 1, including：Shell；
Heat exchanger is arranged in shell；At least two catalytic portions 20 are arranged in shell, are spaced apart and arranged on heat exchanger.
A kind of gas heater 1 provided by the utility model includes shell, heat exchanger and at least two catalytic portions 20.Pass through
At least two catalytic portions 20 are set, and the high-temperature flue gas generated when working gas heater 1 is (as containing carbon monoxide, nitrogen oxidation
The high-temperature flue gas of object etc.) carry out multistage catalytic so that and such as carbon monoxide, nitrogen oxides pernicious gas is urged by catalytic portions 20
Change acts on and is converted into innocuous gas, and then ensures use reliability and the safety of product, and reduces to external environment
Pollution, meanwhile, the quantity of catalytic portions 20 is at least two, and at least two catalytic portions 20 are spaced apart and arranged on heat exchanger, are made
It obtains catalytic portions 20 and carries out comprehensive, multi-angle contact with the pernicious gas within the scope of different temperatures, and then enhance catalytic portions
20 catalysis reagentia, and since the installation position difference of catalytic portions 20 targetedly to be set according to the trend of air-flow
The catalytic capability of catalytic portions 20 is set, and then production cost is reduced in the case where ensureing the performance of catalytic portions 20, improves production
The market competitiveness of product；Further, on heat exchangers, the existing knot of gas heater 1 is rationally utilized in the setting of catalytic portions 20
Structure reduces the occupancy to 1 inner space of gas heater, is convenient for the rational deployment of other component, and then further decreases
Production cost.Meanwhile the structure setting is reasonable, easy to process, installation and subsequent demolition and maintenance.
In one embodiment of the utility model, it is preferable that catalytic portions 20 include：Carrier；Catalyst is arranged in carrier
On.
In this embodiment, catalytic portions 20 include carrier and catalyst, and carrier is that catalytic portions 20 provide architecture basics, is protected
The structural strength of catalytic portions 20 is demonstrate,proved, and then convenient for the assembly of catalytic portions 20, catalyst is used for carbon monoxide, nitrogen oxides etc.
Pernicious gas is converted into innocuous gas.
In specific embodiment, the dosage positioned at the catalyst of the catalytic portions 20 of different location is different, and is thereby reduced
The dosage of catalyst reduces production cost while ensureing the performance of catalytic portions 20, and the market for improving product is competing
Strive power.
In one embodiment of the utility model, it is preferable that catalyst is an integral structure with carrier.
In this embodiment, catalyst is arranged in a manner of coating on carrier, that is, catalyst is integral type knot with carrier
Structure, compact-sized and reliable and stable, occupied space area is small, and processing technology is simple, takes less, production cost is low.
In one embodiment of the utility model, it is preferable that carrier is honeycomb ceramic carrier；Catalyst is three oxidations two
Al catalysts.
In this embodiment, carrier is honeycomb ceramic carrier, and honeycomb ceramic carrier has the characteristics that stephanoporate thin wall, increases greatly
Add the geometrical surface of carrier and improved the thermal shock resistance of carrier, has been convenient for the attachment of catalyst, improves adhesive force,
It ensure that the structure and assembly intensity of catalytic portions 20；Catalyst is aluminum trioxide catalyst, is had the characteristics that heat-resist.
In one embodiment of the utility model, it is preferable that gas heater further includes：Air inlet is arranged in shell
On, it is located at below heat exchanger；At least two catalytic portions 20 are spaced apart and arranged in towards heat exchanger orientation on heat exchanger along air inlet.
In this embodiment, by the way that the position of air inlet, catalytic portions 20 and heat exchanger is rationally arranged so that close to air inlet
Surrounding's flue-gas temperatures of catalytic portions 20 be higher than surrounding's flue-gas temperatures of the catalytic portions 20 far from air inlet, therefore, close to air inlet
The initiation temperature of the catalytic portions 20 of mouth is higher than the initiation temperature of the catalytic portions 20 far from air inlet, and initiation temperature is lower, catalysis
The cost in portion 20 is lower, therefore, which reduces production cost in the case where ensureing the catalytic performance of catalytic portions 20,
Improve the competitiveness of product in market.
In one embodiment of the utility model, it is preferable that catalytic portions 20 include：At least one first catalytic portions 20a；
When the quantity of at least one first catalytic portions 20a is multiple, multiple first catalytic portions 20a are spaced apart and arranged in along preset direction
On heat exchanger；Wherein, preset direction perpendicular to air inlet towards the direction of heat exchanger.
In this embodiment, when the quantity of at least one first catalytic portions 20a is multiple, multiple first catalytic portions 20a
It is spaced apart and arranged on heat exchanger along preset direction, that is, realize the first catalytic portions 20a and high-temperature flue gas progress is comprehensive, more
It contacts to angle and various dimensions, enhances the catalysis reagentia of catalytic portions 20, be effectively catalyzed pernicious gas, avoid such as an oxygen
The case where changing the poisonous gas leakages such as carbon, nitrogen oxides occurs, and ensure that the safety and reliability that product uses, improves production
The performance and the market competitiveness of product.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the quantity of catalytic portions 20 is two；Its
In, when gas heater 1 works, the value range of the flue-gas temperature a around the catalytic portions 20 of air inlet is：600℃≤a
≤1200℃；The value range of flue-gas temperature b around the catalytic portions 20 of air inlet is：200℃≤b≤600℃.
In this embodiment, the quantity of catalytic portions 20 is two, respectively the first catalytic portions 20a and the second catalytic portions 20b,
First catalytic portions 20a deviates from air inlet close to air inlet, the second catalytic portions 20b, and the initiation temperature of the first catalytic portions 20a is greater than
The initiation temperature of second catalytic portions 20b, the initiation temperature of catalytic portions 20 is lower, and the cost of catalytic portions 20 is lower, therefore, which sets
Set reduces production cost in the case where ensureing the catalytic performance of catalytic portions 20, improves the competitiveness of product in market.Specifically
The quantity on ground, catalytic portions 20 also can be for three, four and multiple.
In one embodiment of the utility model, it is preferable that heat exchanger includes：Multiple fins 10, catalytic portions 20 pass through
Multiple fins 10, assembly is on heat exchangers.
In this embodiment, by the way that the positions of catalytic portions 20 is rationally arranged so that catalytic portions 20 pass through multiple fins 10, increase
The big contact area of catalytic portions 20 and heat exchanger, ensure that reliability and stability that catalytic portions 20 are assembled with heat exchanger.
In one embodiment of the utility model, it is preferable that heat exchanger further includes：Hydrophilic coating is arranged in fin 10
On.
In this embodiment, by the way that hydrophilic coating is arranged so that hydrophilic coating is arranged on fin 10, works as gas heater
When 1 operation, the water droplet on fin 10 can drip under the action of hydrophilic coating, reduce the probability that fin 10 corrodes,
The service life of heat exchanger is extended, meanwhile, being arranged to hydrophilic coating can play the role of self-cleaning, ensure that 10 table of fin
The cleannes in face improve the radiating efficiency of fin 10.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, gas heater 1 further includes：Heating part
30, it is arranged in shell, between heat exchanger and air inlet.
In this embodiment, make heating part 30 between heat exchanger and air inlet by setting, and then in heating part
30, under the common cooperation of heat exchanger, ensure that the efficiency of heating surface of gas heater 1, reduce energy consumption.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, gas heater 1 further includes：Water pipe 40,
It is arranged in shell, one end of water pipe 40 is close to heat exchanger.
In this embodiment, by the way that the installation position of water pipe 40 and heat exchanger is rationally arranged so that one end of water pipe 40 is leaned on
Nearly heat exchanger shortens the gap between one end and heat exchanger of water pipe 40, improves the efficiency of heating surface of water, realizes combustion gas heat
1 instant-heating of hydrophone, the rapid purpose of water outlet.
In specific embodiment, as shown in Figure 1, arrow direction has indicated respectively the flowing side of hot water, air, combustion gas and cold water
To.The quantity of catalytic portions 20 is two, and respectively the first catalytic portions 20a and the second catalytic portions 20b, the first catalytic portions 20a are close
The value range of air inlet, the flue-gas temperature a around the first catalytic portions 20a is：600 DEG C≤a≤1200 DEG C, the second catalytic portions
20b deviates from air inlet, and the value range of the flue-gas temperature b around the second catalytic portions 20b is：200 DEG C≤b≤600 DEG C, first urges
The initiation temperature of change portion 20a is greater than the initiation temperature of the second catalytic portions 20b.The initiation temperature of catalytic portions 20 is lower, catalytic portions
20 cost is lower, therefore, which reduces production cost in the case where ensureing the catalytic performance of catalytic portions 20, is promoted
The competitiveness of product in market.Simultaneously as the initiation temperature of the first catalytic portions 20a is more than the ignition temperature of the second catalytic portions 20b
Degree, therefore, the dosage of the catalyst of the second catalytic portions 20b is less than the dosage of the catalyst of the first catalytic portions 20a, the structure setting
Production cost is reduced while ensureing the performance of catalytic portions 20, improves the competitiveness of product in market.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
Can be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gas heater, which is characterized in that including：
Shell；
Heat exchanger is arranged in the shell；
At least two catalytic portions are arranged in the shell, are spaced apart and arranged on the heat exchanger.
2. gas heater according to claim 1, which is characterized in that
The catalytic portions include：
Carrier；
Catalyst, setting is on the carrier.
3. gas heater according to claim 2, which is characterized in that
The catalyst is an integral structure with the carrier.
4. gas heater according to claim 2, which is characterized in that
The carrier is honeycomb ceramic carrier；
The catalyst is aluminum trioxide catalyst.
5. gas heater according to any one of claim 1 to 4, which is characterized in that further include：
Air inlet, setting on the housing, are located at below the heat exchanger；
At least two catalytic portions are spaced apart and arranged in towards the heat exchanger orientation on the heat exchanger along the air inlet.
6. gas heater according to claim 5, which is characterized in that
The catalytic portions include：
At least one first catalytic portions；
When the quantity of at least one first catalytic portions is multiple, multiple first catalytic portions are along preset direction compartment of terrain
It is arranged on the heat exchanger；
Wherein, the preset direction perpendicular to the air inlet towards the direction of the heat exchanger.
7. gas heater according to claim 5, which is characterized in that further include：
Heating part is arranged in the shell, between the heat exchanger and the air inlet.
8. gas heater according to any one of claim 1 to 4, which is characterized in that
The heat exchanger includes：
Multiple fins, the catalytic portions pass through multiple fins, are assemblied on the heat exchanger.
9. gas heater according to claim 8, which is characterized in that
The heat exchanger further includes：
Hydrophilic coating is arranged on the fin.
10. gas heater according to any one of claim 1 to 4, which is characterized in that further include：
Water pipe is arranged in the shell, and one end of the water pipe is close to the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237450.6U CN208025853U (en) | 2018-02-10 | 2018-02-10 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237450.6U CN208025853U (en) | 2018-02-10 | 2018-02-10 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208025853U true CN208025853U (en) | 2018-10-30 |
Family
ID=63904956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820237450.6U Active CN208025853U (en) | 2018-02-10 | 2018-02-10 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208025853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692754A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater with same |
-
2018
- 2018-02-10 CN CN201820237450.6U patent/CN208025853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692754A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater with same |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221102 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |