CN207006251U - A kind of gas-cooker with waste-heat recovery device - Google Patents
A kind of gas-cooker with waste-heat recovery device Download PDFInfo
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- CN207006251U CN207006251U CN201720386141.0U CN201720386141U CN207006251U CN 207006251 U CN207006251 U CN 207006251U CN 201720386141 U CN201720386141 U CN 201720386141U CN 207006251 U CN207006251 U CN 207006251U
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Abstract
The utility model discloses a kind of gas-cooker with waste-heat recovery device, including stove shell, cooktop, burner, combustion chamber, air inlet pipe and the second smoke exhaust pipe, there is exhaust opening on described combustion chamber, it is characterised in that also including heat-exchanging chamber；Described heat-exchanging chamber is hollow box body, including matrix heat-exchanging chamber inwall, heat-exchanging chamber outer wall, the first smoke exhaust pipe, the first air inlet and gas outlet.Described heat-exchanging chamber is enclosed in the lower section of described burner, is connected with burner.The utility model has the characteristics of can recycling the energy recovery that burner and pan distribute, while also has the function of isolating pan, room air with burner, burner easy to clean, safety durable.
Description
Technical field
Gas-cooker manufacturing field is the utility model is related to, more particularly to a kind of gas-cooker with waste-heat recovery device.
Background technology
At present, gas-fired stove cooking food is generally used in China people, gas-cooker has use cost low, and firepower is powerful
Feature.Most of gas-cooker on existing market is the gas-cooker for opening wide combustion-type, and the burner of gas-cooker is arranged on cooktop
Side.In actual use, this kind of gas-cooker is primarily present following five problems：
1st, prior art, the thermal efficiency of gas-cooker is generally relatively low, only 50%-60%, and energy waste problem is serious.Burner
At work, the top of generally only flame contacts with pan, and the surrounding of flame is completely exposed outside, part heat caused by flame
Measure invalid scatter and disappear.During using gas-fired stove cooking food, pan used is completely exposed outside, and the heat that pan distributes is invalid to be dissipated
Lose；
2nd, the burner on cooktop consume at work interior oxygen, while carbon dioxide caused by fuel gas buring and its
His waste gas affects to the air quality of interior, when fuel gas buring is insufficient, can produce carbon monoxide distribute to
Interior, cause danger；
3rd, when using gas-fired stove cooking food, soup is often had, oil spill goes out the situation of pollution combustor, burner is more
Cellular type structure, typical temperature is very high during pollution, is difficult thoroughly cleaning after pollution；
4th, after by dirt immunes such as soup, oil, the thermal efficiency, service life and the security of burner can all be affected,
Supporting blowout protection pin particularly on burner, domestic consumer of whether being failed after contaminated corrode is difficult to learn, once
Failed during accident extinguishing, consequence is serious；
5th, described gas-cooker uses naked light cooking food, there is the risk that the neighbouring article that ignites causes fire.
The content of the invention
To solve the above problems, the utility model provides a kind of gas-cooker with waste-heat recovery device, having will fire
The characteristics of energy recovery that burner and pan distribute recycles, while also have and isolate pan, room air with burner
Function, burner easy to clean, safety durable.
To achieve the above object, the utility model provides following technical scheme：A kind of combustion gas with waste-heat recovery device
Stove, including stove shell, cooktop, burner, combustion chamber, air inlet pipe and the second smoke exhaust pipe, there is exhaust opening on described combustion chamber, it is special
Sign is also to include heat-exchanging chamber；Described heat-exchanging chamber is outside hollow box body, including matrix heat-exchanging chamber inwall, heat-exchanging chamber
Wall, the first smoke exhaust pipe, the first air inlet and gas outlet；Described matrix heat-exchanging chamber inwall includes first side and the first bottom
Face；Described heat-exchanging chamber outer wall includes top surface, second side and the second bottom surface；Described matrix heat-exchanging chamber inwall is wrapped in
Outside combustion chamber；Described gas outlet is arranged on the first bottom surface of matrix heat-exchanging chamber inwall；The first described air inlet is set
Put in the second side of heat-exchanging chamber outer wall；The first described smoke exhaust pipe is arranged on matrix heat-exchanging chamber inwall and heat-exchanging chamber
In the casing that outer wall is formed, the first described smoke exhaust pipe has bending tubes end and smoke end, the smoke evacuation of described bending tubes end and combustion chamber
Mouth is connected, and described smoke end is connected with the second smoke exhaust pipe；The first described smoke exhaust pipe curl in heat-exchanging chamber
Or S shapes or arbitrary shape are set.
Preferably, it is provided with heat conduction fin on the inwall and/or outer wall of the first described smoke exhaust pipe.
Preferably, described combustion chamber is matrix combustion chamber, and described matrix combustion chamber is matrix hollow box body, in addition to
Inner Wall of Combustion Chamber, outer wall of combustion chamber, the second air inlet；The second described air inlet is arranged on the bottom of outer wall of combustion chamber, with
Gas outlet on one bottom surface is connected；Described exhaust opening is arranged on the top surface or side of outer wall of combustion chamber, with the first smoke evacuation
Pipe is connected；Described burner is arranged at the second air inlet of combustion chamber；Described combustion chamber is arranged on the top of cooktop
Or lower section；The material that described Inner Wall of Combustion Chamber is more than pure iron using thermal conductivity factor is made, the inner side of described outer wall of combustion chamber
On scribble heat-reflective coating, have fire proof heat-insulation layer on the outside of described outer wall of combustion chamber；Described Inner Wall of Combustion Chamber surrounds
One reverse frustoconic groove, described combustion chamber is configured with shape, specification and all kinds of pans of described groove match, described
Pan sidepiece and bottom can be brought into close contact with Inner Wall of Combustion Chamber.
Preferably, described air inlet pipe is connected with the air inlet of heat-exchanging chamber first, and described air inlet pipe is connected with outdoor
It is logical.
Preferably, the second described smoke exhaust pipe is arranged in air inlet pipe and is connected with outdoor, the second described smoke exhaust pipe
Heat conduction fin is provided with inwall and/or outer wall.
Preferably, pan handle is provided with described combustion chamber and places mouth, described pan handle, which is placed on mouth, envelope
Piece is closed, described closure plate is the relatively closed structure of two panels, and described closure plate is soft high-temperature resistance plastice material manufacture.
Preferably, there is temperature sensor on described combustion chamber, there is temperature indicator, described temperature on described cooktop
Sensor is electrically connected with temperature indicator, and the second described smoke exhaust pipe is provided with Fuel Gas Leak Alarm.
Preferably, the nozzle of described burner is in the colyliform arrangement of circular ring type year.
Preferably, there is fire-proof sound insulation thermal insulation layer on described heat-exchanging chamber outer wall.
Preferably, pressure fan is provided with the air inlet pipeline and/or smoke-exhaust pipeline, described blower setting is first
At air inlet, the air inlet of pressure fan is connected with air inlet pipe, and air outlet is connected with the first air inlet, is provided with outside pressure fan
Fire-proof sound insulation thermal insulation layer.
Include at following 8 points using the beneficial effect of above technical scheme：
First, in the utility model, the heat-exchanging chamber being arranged on outside combustion chamber has two effects, first, further reducing burning
Room heat scatters and disappears, second, in heat-exchanging chamber, in the first smoke exhaust pipe the heat of flue gas can more by heat-exchanging chamber from entering
The air that tracheae enters is absorbed, and heat is brought into combustion chamber again, is reached saving combustion gas, is improved the purpose of the thermal efficiency.The
Heat conduction fin on the inwall and/or outer wall of one smoke exhaust pipe can accelerated heat transmission；
The 2nd, combuster is set in the utility model, described combustion chamber can distribute burner flame top surface and side
The heat absorption gone out, while can be by the heat absorption in flue gas that flame emission goes out, and transfer heat in the groove of combustion chamber
Pan, reach saving combustion gas, improve the purpose of the thermal efficiency；
3rd, in the utility model, the heat that pan distributes in the groove of combustion chamber can be reflected back pan by described combustion chamber,
Reach and reduce pan heat energy dissipation, improve the purpose of the thermal efficiency；
4th, in the utility model, heat-reflective coating is scribbled on the inner side of described outer wall of combustion chamber, outside described combustion chamber
Have fire proof heat-insulation layer on the outside of wall, scattering and disappearing for heat in combustion chamber can be reduced；
5th, combustion chamber of the present utility model is configured with all kinds of pans of shape, specification and combustion chamber groove match.Cooking
During food processed, the sidepiece of all kinds of pans of shape, specification and combustion chamber groove match and bottom and Inner Wall of Combustion Chamber closely paste
Close, can effective transferring heat energy, improve the thermal efficiency；
6th, the utility model isolates the burner of gas-cooker with room air, and the air needed for burner combustion is complete
All discharge is outdoor for caused flue gas behind outdoor, burning.Consumption and the sky of indoor oxygen can be avoided using the utility model
The pollution of gas, dangerous generation can be avoided when gas leakage or the insufficient situation of burning occur for burner；
7th, in the utility model, described combustion chamber isolates pan with burner, can avoid the dirt immunes such as soup, oil
Burner, extend the service life of burner, reduce the generation of burner malfunctions, meanwhile, the groove of combustion chamber is easier to clean；
8th, the utility model flames of anger in use is exposed, can avoid the exposed risk for causing fire of naked light.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the gas-cooker embodiment 1 with waste-heat recovery device of the utility model.
Fig. 2 is a kind of top view of the gas-cooker embodiment 1 with waste-heat recovery device of the utility model.
Fig. 3 is a kind of structural representation of the gas-cooker embodiment 2 with waste-heat recovery device of the utility model.
In figure, 1 is stove shell；2 be cooktop；3 be burner；4 be combustion chamber；5 be air inlet pipe；6 be pressure fan；7 hand over for heat
Change room；8 be heat-exchanging chamber outer wall；9 be the first smoke exhaust pipe；10 be the second smoke exhaust pipe；11 be bending tubes end；12 be smoke end；13 are
Inner Wall of Combustion Chamber；14 be outer wall of combustion chamber；15 be that pan handle places mouth；16 be closure plate；17 be air inlet；18 be air-out
Mouthful；19 be the second air inlet；20 be exhaust opening；21 grooves；22 matrix heat-exchanging chamber inwalls；23 be the first air inlet；24 be
Gas port；25 be first side；26 be the first bottom surface；27 be top surface；28 be second side；29 be the second bottom surface；Arrow institute in figure
The direction of finger is the direction of gas motion.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig. 1, Fig. 2, as shown in wherein legend, a kind of gas-cooker with waste-heat recovery device, including stove shell 1, stove
Face 2, burner 3, combustion chamber 4, the smoke exhaust pipe 10 of air inlet pipe 5 and second, there is exhaust opening 20 on described combustion chamber 4, its feature exists
In also including heat-exchanging chamber 7；Described heat-exchanging chamber 7 is outside hollow box body, including matrix heat-exchanging chamber inwall 22, heat-exchanging chamber
Wall 8, the first smoke exhaust pipe 9, the first air inlet 23 and gas outlet 24；Described matrix heat-exchanging chamber inwall 22 includes first side 25
With the first bottom surface 26；Described heat-exchanging chamber outer wall 8 includes top surface 27, the bottom surface 29 of second side 28 and second；Described matrix
Heat-exchanging chamber inwall 22 is wrapped in outside combustion chamber 4；Described gas outlet 24 is arranged on the first of matrix heat-exchanging chamber inwall 22
On bottom surface 26；The first described air inlet 23 is arranged in the second side 28 of heat-exchanging chamber outer wall 8；The first described smoke exhaust pipe
9 are arranged in the casing that matrix heat-exchanging chamber inwall 22 and heat-exchanging chamber outer wall 8 are formed, and the first described smoke exhaust pipe 9 has into cigarette
End 11 and smoke end 12, described bending tubes end 11 are connected with the exhaust opening 20 of combustion chamber 4, described smoke end 12 and second row
Smoke pipe 10 is connected；The first described smoke exhaust pipe 9 curl or S shapes or arbitrary shape in heat-exchanging chamber 7 are set.Described
Heat conduction fin is provided with the inwall and/or outer wall of first smoke exhaust pipe 9.
Described combustion chamber 4 is matrix combustion chamber, and described matrix combustion chamber is matrix hollow box body, in addition to combustion chamber
Inwall 13, outer wall of combustion chamber 14, the second air inlet 19；The second described air inlet 19 is arranged on the bottom of outer wall of combustion chamber 14,
It is connected with the gas outlet 24 on the first bottom surface 26；Described exhaust opening 20 is arranged on the side of outer wall of combustion chamber 14, with
One smoke exhaust pipe 9 is connected；Described burner 3 is arranged at the second air inlet 19 of combustion chamber 4；Described combustion chamber 4 is set
In the lower section of cooktop 2；The material that described Inner Wall of Combustion Chamber 13 is more than pure iron using thermal conductivity factor is made, outside described combustion chamber
Heat-reflective coating is scribbled on the inner side of wall 14, has fire proof heat-insulation layer on the outside of described outer wall of combustion chamber 14；Described combustion
Burn chamber interior walls 13 and surround a reverse frustoconic groove 21, described combustion chamber 4 is configured with shape, specification and the described phase of groove 21
All kinds of pans of matching, the sidepiece of described pan and bottom can be brought into close contact with Inner Wall of Combustion Chamber 13.
Described air inlet pipe 5 is connected with the air inlet 23 of heat-exchanging chamber 7 first, and described air inlet pipe 5 is connected with outdoor.
The second described smoke exhaust pipe 10 is arranged in air inlet pipe 5 to be connected with outdoor, the second described smoke exhaust pipe 10 it is interior
Heat conduction fin is provided with wall and/or outer wall.
Pan handle is provided with described combustion chamber 4 and places mouth 15, described pan handle, which is placed on mouth 15, closing
Piece 16, described closure plate 16 are the relatively closed structure of two panels, and described closure plate 16 is soft high-temperature resistance plastice material manufacture.
There is temperature sensor on described combustion chamber 4, there is temperature indicator, described temperature sensor on described cooktop
It is electrically connected with temperature indicator, the second described smoke exhaust pipe 10 is provided with Fuel Gas Leak Alarm.
The nozzle of described burner 4 is in the colyliform arrangement of circular ring type year.
There is fire-proof sound insulation thermal insulation layer on described heat-exchanging chamber outer wall 8.
Pressure fan 6 is provided with the air inlet pipeline, described pressure fan 6 is arranged at the first air inlet 23, pressure fan 6
Air inlet 17 be connected with air inlet pipe 5, air outlet 18 is connected with the first air inlet 23, be provided with outside pressure fan 6 fire prevention every
Sound thermal insulation layer.
Embodiment 2
Referring to Fig. 3, as shown in wherein legend, other are same as Example 1, and difference is the bottom surface of Inner Wall of Combustion Chamber 13
For arcwall face, the nozzle of burner 3 is set to be distributed with the arcwall face camber of the bottom surface of Inner Wall of Combustion Chamber 13, burner 3 it is each
Nozzle is identical with the distance of the bottom surface of Inner Wall of Combustion Chamber 13.
Include at following 8 points using the beneficial effect of above technical scheme：
First, in the utility model, heat-exchanging chamber 7 is provided with outside described combustion chamber 4, described heat-exchanging chamber 7 there are two
Effect, first, scattering and disappearing for the heat of combustion chamber 4 is further reduced, second, in heat-exchanging chamber 7, the heat of flue gas in the first smoke exhaust pipe 9
Amount more can be absorbed by the air entered in heat-exchanging chamber 7 from air inlet pipe 5, and heat is brought into combustion chamber 4 again, be reached
Combustion gas is saved, improves the purpose of the thermal efficiency.Heat conduction fin on the inwall and/or outer wall of first smoke exhaust pipe 9 can accelerated heat
Transmission；
The 2nd, combuster 4 is set in the utility model, described combustion chamber 4 can dissipate the flame top surface of burner 3 and side
The heat absorption sent, while can be by the heat absorption in flue gas that flame emission goes out, and transfer heat to the groove of combustion chamber 4
Pan in 21, reach saving combustion gas, improve the purpose of the thermal efficiency；
3rd, in the utility model, described combustion chamber 4, the heat that pan distributes in combustion chamber 4 is reflected back pan, reached
To pan heat energy dissipation is reduced, the purpose of the thermal efficiency is improved；
4th, in the utility model, heat-reflective coating, described combustion chamber are scribbled on the inner side of described outer wall of combustion chamber 14
Have fire proof heat-insulation layer on the outside of outer wall 14, scattering and disappearing for heat in combustion chamber 4 can be reduced；
5th, combustion chamber 4 of the present utility model is configured with all kinds of pans that shape, specification and the groove 21 of combustion chamber 4 match.
In cook food, the sidepiece and bottom and Inner Wall of Combustion Chamber of all kinds of pans that shape, specification and the groove 21 of combustion chamber 4 match
13 are brought into close contact, effective transferring heat energy, improve the thermal efficiency；
6th, the utility model isolates the burner 3 of gas-cooker with room air, and the required air that burns of burner 3 is complete
Complete to come from outdoor, all discharge is outdoor for caused flue gas after burning.Using the utility model can avoid indoor oxygen consumption and
The pollution of air, dangerous generation can be avoided when gas leakage or the insufficient situation of burning occur for burner 3；
7th, in the utility model, combustion chamber 4 isolates pan with burner 3, and the dirt immunes such as soup, oil can be avoided to burn
Device 3, extend the service life of burner 3, reduce the generation of the failure of burner 3, meanwhile, Inner Wall of Combustion Chamber 13 is easier to clean；
8th, the utility model flames of anger in use is exposed, can avoid the exposed risk for causing fire of naked light.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (10)
1. a kind of gas-cooker with waste-heat recovery device, including stove shell（1）, cooktop（2）, burner（3）, combustion chamber（4）, enter
Tracheae（5）With the second smoke exhaust pipe（10）, described combustion chamber（4）On have exhaust opening（20）, it is characterised in that also including heat exchange
Room（7）；Described heat-exchanging chamber（7）For hollow box body, including matrix heat-exchanging chamber inwall（22）, heat-exchanging chamber outer wall（8）,
One smoke exhaust pipe（9）, the first air inlet（23）And gas outlet（24）；Described matrix heat-exchanging chamber inwall（22）Including first side
（25）With the first bottom surface（26）；Described heat-exchanging chamber outer wall（8）Including top surface（27）, second side（28）With the second bottom surface
（29）；Described matrix heat-exchanging chamber inwall（22）It is wrapped in combustion chamber（4）Outside；Described gas outlet（24）It is arranged on matrix
Heat-exchanging chamber inwall（22）The first bottom surface（26）On；The first described air inlet（23）It is arranged on heat-exchanging chamber outer wall（8）'s
Second side（28）On；The first described smoke exhaust pipe（9）It is arranged on matrix heat-exchanging chamber inwall（22）With heat-exchanging chamber outer wall（8）
In the casing of composition, the first described smoke exhaust pipe（9）There is bending tubes end（11）With smoke end（12）, described bending tubes end（11）With combustion
Burn room（4）Exhaust opening（20）It is connected, described smoke end（12）With the second smoke exhaust pipe（10）It is connected；Described first row
Smoke pipe（9）In heat-exchanging chamber（7）Interior curl or S shape or arbitrary shape are set.
A kind of 2. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described first row
Smoke pipe（9）Inwall and/or outer wall on be provided with heat conduction fin.
A kind of 3. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described combustion chamber
（4）For matrix combustion chamber, described matrix combustion chamber is matrix hollow box body, in addition to Inner Wall of Combustion Chamber（13）, outside combustion chamber
Wall（14）, the second air inlet（19）；The second described air inlet（19）It is arranged on outer wall of combustion chamber（14）Bottom, with the first bottom
Face（26）On gas outlet（24）It is connected；Described exhaust opening（20）It is arranged on outer wall of combustion chamber（14）Top surface or side
On, with the first smoke exhaust pipe（9）It is connected；Described burner（3）It is arranged on combustion chamber（4）The second air inlet（19）Place；Institute
The combustion chamber stated（4）It is arranged on cooktop（2）Above or below；Described Inner Wall of Combustion Chamber（13）It is more than using thermal conductivity factor pure
The material of iron is made, described outer wall of combustion chamber（14）Inner side on scribble heat-reflective coating, described outer wall of combustion chamber（14）
Outside on have fire proof heat-insulation layer；Described Inner Wall of Combustion Chamber（13）Surround a reverse frustoconic groove（21）, described combustion
Burn room（4）It is configured with shape, specification and described groove（21）All kinds of pans to match, the sidepiece of described pan and bottom
With Inner Wall of Combustion Chamber（13）It can be brought into close contact.
A kind of 4. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described air inlet pipe
（5）With heat-exchanging chamber（7）First air inlet（23）It is connected, described air inlet pipe（5）It is connected with outdoor.
A kind of 5. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described second row
Smoke pipe（10）It is arranged on air inlet pipe（5）The second interior to be connected with outdoor, described smoke exhaust pipe（10）Inwall and/or outer wall on set
It is equipped with heat conduction fin.
A kind of 6. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described combustion chamber
（4）On be provided with pan handle place mouth（15）, described pan handle places mouth（15）On have closure plate（16）, described envelope
Close piece（16）For the relatively closed structure of two panels, described closure plate（16）For soft high-temperature resistance plastice material manufacture.
A kind of 7. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described combustion chamber
（4）On have temperature sensor, have temperature indicator on described cooktop, described temperature sensor is connected with temperature indicator
Connect, the second described smoke exhaust pipe（10）It is provided with Fuel Gas Leak Alarm.
A kind of 8. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described burner
（3）Nozzle in circular ring type year colyliform arrangement.
A kind of 9. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that described heat exchange
Chamber outer wall（8）On have fire-proof sound insulation thermal insulation layer.
A kind of 10. gas-cooker with waste-heat recovery device according to claim 1, it is characterised in that the air inlet pipe
And/or pressure fan is provided with smoke exhaust pipe（6）, described pressure fan（6）It is arranged on the first air inlet（23）Place, pressure fan（6）
Air inlet（17）With air inlet pipe（5）It is connected, air outlet（18）With the first air inlet（23）It is connected, pressure fan（6）Peripheral hardware
It is equipped with fire-proof sound insulation thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386141.0U CN207006251U (en) | 2017-04-13 | 2017-04-13 | A kind of gas-cooker with waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386141.0U CN207006251U (en) | 2017-04-13 | 2017-04-13 | A kind of gas-cooker with waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207006251U true CN207006251U (en) | 2018-02-13 |
Family
ID=61442103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720386141.0U Expired - Fee Related CN207006251U (en) | 2017-04-13 | 2017-04-13 | A kind of gas-cooker with waste-heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207006251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500614A (en) * | 2019-08-30 | 2019-11-26 | 济南温嘉杉彬网络科技有限公司 | A kind of internal combustion type waste heat recycling gas-cooker |
-
2017
- 2017-04-13 CN CN201720386141.0U patent/CN207006251U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500614A (en) * | 2019-08-30 | 2019-11-26 | 济南温嘉杉彬网络科技有限公司 | A kind of internal combustion type waste heat recycling gas-cooker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20200413 |