CN207716464U - A kind of partly-premixed gas porosity medium gas-cooker - Google Patents
A kind of partly-premixed gas porosity medium gas-cooker Download PDFInfo
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- CN207716464U CN207716464U CN201820036594.5U CN201820036594U CN207716464U CN 207716464 U CN207716464 U CN 207716464U CN 201820036594 U CN201820036594 U CN 201820036594U CN 207716464 U CN207716464 U CN 207716464U
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- gas
- porous media
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- combustion
- cooker
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Abstract
A kind of partly-premixed gas porosity medium gas-cooker, it is related to a kind of gas medium gas-cooker, including nozzle, radiation column, radiation disk, nozzle region porous media, thermal insulating liner, gas-cooker shell, combustion zone porous media, anti-backfire area porous media, homogenizing plate, premix barrel, air intake, fuel gas inlet.The premixed combustion in the porous media of combustion zone of partly-premixed gas, the diffusion combustion above nozzle region porous media and nozzle.Combustion zone porous media has heat accumulation function, can improve radiation disk and radiation column surface temperature, strengthen radiation heat transfer.Changing section premixed gas excess air coefficient can adjust combustion gas share in premixed combustion and diffusive combustion process.Combustion zone porous media and nozzle region porous media have heat accumulation function, can effectively reduce heat loss due to exhaust gas, improve the thermal efficiency.The utility model efficiency of combustion and the thermal efficiency are high, and the pollutant emissions such as CO and NOx are low, and Load Regulation is flexible.
Description
Technical field
The utility model is related to a kind of gas medium gas-cookers, are fired more particularly to a kind of partly-premixed gas porosity medium
Gas kitchen.
Background technology
The clean and effective of the energy utilizes the important channel for being solution energy supply and demand contradiction and environmental pollution.Gaseous fuel is in energy
Accounting is very big in source, and wherein domestic gas kitchen range are the important ways of gaseous fuel consumption, therefore the cleaning of domestic gas kitchen range is high
Imitating research on utilization has very important realistic meaning.
Civil kitchen range can be divided into two kinds of atmospheric gas stove and complete pre-mixing type gas-cooker by combustion system currently on the market
Mode.Wherein atmospheric gas stove in a manner of heat convection based on, have higher heat transfer intensity, flame holding is good, but its
Exhaust gas heat loss becomes estranged, and radiation loss is higher, and the gas cooker thermal efficiency is low, and contains the production of the imperfect combustions such as CO and carbon black in flue gas
Object, disadvantage are notable；And complete pre-mixing type gas-cooker in a manner of radiation heat transfer based on, efficiency of combustion is higher, and the thermal efficiency is compared to big
Gas formula gas-cooker is high, but its flame holding is not so good as atmospheric gas stove.In recent years since multi-hole medium combustion technology has fuel
The technology is introduced civil kitchen range field to improve by applied widely, the advantages that power-adjustable range is big, some research institutions
Gas-cooker combustion technology.The utility model patent " full premix energy conservation and environmental protection gas-cooker " of Publication No. CN206131080U, profit
With metal porous agent burns premixed gas, kitchen range coats infrared coating to radiation heat transfer, devises closed furnace and reduce heat
Loss；Patent of invention " the fire radiant of more injection circle of contact premixing porous medium gas-cookers of Publication No. CN103528060A
And combustion method ", circle of contact injection is carried out using multiple Venturi transmission ejectors, partly-premixed gas is radiated in multi-hole medium combustion
It burns in device, while realizing heat reflux overheavy firing；" air blast is rotary premixed more for the patent of invention of Publication No. CN103528062A
The fire radiant and its combustion method of hole medium gas-cooker " is realized using the fuel gas inlet and air intake of arranged tangential
The mixing of air-flow, premixed gas burn in multi-hole medium combustion radiator, while realizing heat reflux overheavy firing.
In the application of the above multi-hole medium combustion technology, efficiency of combustion is improved, enhances heat exchange, but its heat exchange mode
Still based on radiation heat transfer, while using the porous-medium gas hot stove of premixed combustion gas, the temperature in porous media region
It is excessively high, it be easy to cause thermal NO x discharges and increases, the material service life in porous media region is impacted.
Invention content
The purpose of this utility model is to provide a kind of partly-premixed gas porosity medium gas-cooker, which uses spoke
It penetrates and the work of heat convection two ways, the advantages of absorbing two kinds of heat exchange modes, while utilizing multi-hole medium combustion technology solution
In gas-cooker of having determined work the problem of high-efficiency low-pollution object.
The purpose of this utility model is achieved through the following technical solutions：
A kind of partly-premixed gas porosity medium gas-cooker, the gas-cooker include nozzle, radiation column, radiation disk, nozzle
Area's porous media, thermal insulating liner, gas-cooker shell, combustion zone porous media, anti-backfire area porous media, homogenizing plate, premix barrel,
Air intake and fuel gas inlet；Air intake, fuel gas inlet are connected with premix barrel, premix barrel be sequentially arranged above homogenizing plate,
Anti-backfire area porous media, combustion zone porous media, radiation disk；Radiation disk is connected with radiation column radiating surface, internal cavities phase
It is logical；It radiates column internal cavities and fills combustion zone porous media；Nozzle is communicated with radiation column internal cavities, applying nozzle area in nozzle
Porous media.
A kind of partly-premixed gas porosity medium gas-cooker, the radiation column are at least 2.
A kind of partly-premixed gas porosity medium gas-cooker, the radiation column circumferentially equivalent arrangements.
A kind of partly-premixed gas porosity medium gas-cooker, the gas-cooker enclosure arrange thermal insulating liner.
A kind of partly-premixed gas porosity medium gas-cooker, the radiation disk are sealed with the radiating surface for radiating column
It closes.
The advantages of the utility model is with effect：
The utility model is arranged combustion zone porous media inside gas-cooker, mixed gas in the porous media of combustion zone into
The heat of row premixed combustion, release of burning carries out radiation heat transfer by radiating disk and radiation column with cookware；Remaining fuel gas is logical
Nozzle is crossed, porous media and top are diffused burning, diffusion flame and flue gas and carry out heat convection with cookware in nozzle region；
Gas Load distributes the diffusion combustion region above combustion zone porous media, nozzle region porous media and nozzle, reduces office
Portion's thermic load, advantageously reduces NOx emission；The super-thermal insulating burning characteristic of porous media can effectively reduce the life of CO and carbon black etc.
At；Combustion zone porous media and nozzle region porous media have heat accumulation function, can effectively reduce heat loss due to exhaust gas, improve heat
Efficiency.
The premixed combustion in the porous media of combustion zone of the partly-premixed gas of the utility model, porous media and spray in nozzle region
Diffusion combustion above mouth.Combustion zone porous media has heat accumulation function, can improve radiation disk and radiation column surface temperature, strengthen
Radiation heat transfer.Changing section premixed gas excess air coefficient can adjust combustion gas part in premixed combustion and diffusive combustion process
Volume.Combustion zone porous media and nozzle region porous media have heat accumulation function, can effectively reduce heat loss due to exhaust gas, improve heat
Efficiency.The utility model efficiency of combustion and the thermal efficiency are high, and the pollutant emissions such as CO and NOx are low, and Load Regulation is flexible.
Description of the drawings
Fig. 1 is the structural schematic diagram of utility model device.
Each part numbers are as follows in figure：
1, nozzle, 2, radiation column, 3, radiation disk, 4, nozzle region porous media, 5, thermal insulating liner, 6, gas-cooker shell, 7,
Combustion zone porous media, 8, anti-backfire area porous media, 9, homogenizing plate, 10, premix barrel, 11, air intake, 12, fuel gas inlet.
Specific implementation mode
The utility model is described in detail in illustrated embodiment below in conjunction with the accompanying drawings.
A kind of partly-premixed gas porosity medium gas-cooker of the utility model, including nozzle 1, radiation column 2, radiation disk 3, spray
Mouth area porous media 4, thermal insulating liner 5, gas-cooker shell 6, combustion zone porous media 7, anti-backfire area porous media 8, homogenizing plate
9, premix barrel 10, air intake 11 and fuel gas inlet 12；Air intake 11, fuel gas inlet 12 are connected with premix barrel 10, premix
10 top of pipe is sequentially arranged homogenizing plate 9, anti-backfire area porous media 8, combustion zone porous media 7, radiation disk 3.Radiate disk 3 and spoke
It penetrates 2 radiating surface of column to be connected, internal cavities communicate.It radiates 2 internal cavities of column and fills combustion zone porous media 7.Nozzle 1 and radiation
2 internal cavities of column communicate, applying nozzle area porous media 4 in nozzle 1.It radiates column 2 and is at least 2；It is circumferentially impartial to radiate column 2
Arrangement；Thermal insulating liner 5 is arranged in 6 inside of gas-cooker shell.
Embodiment
The concrete structure of the utility model is described in detail according to Fig. 1.The utility model is partly-premixed using combustion gas and air
Mode, including nozzle, radiation column, radiation disk, nozzle region porous media, thermal insulating liner, gas-cooker shell, porous Jie in combustion zone
Matter, anti-backfire area porous media, homogenizing plate, premix barrel, air intake, fuel gas inlet.Air intake 11, fuel gas inlet 12 with it is pre-
Mixed pipe 10 is connected, and 10 top of premix barrel is sequentially arranged homogenizing plate 9, anti-backfire area porous media 8, combustion zone porous media 7, spoke
Penetrate disk 3.Radiation disk 3 is connected with radiation 2 radiating surface of column, and internal cavities communicate.It is porous to radiate 2 internal cavities of column filling combustion zone
Medium 7.Nozzle 1 is communicated with radiation 2 internal cavities of column, applying nozzle area porous media 4 in nozzle 1.Combustion gas is porous in combustion zone
Flue gas after medium 7 burns is sprayed from nozzle 1, and radiation disk 3 is closed with the radiating surface for radiating column 2.
Combustion gas and air mix in premix barrel, and excess air coefficient is less than 1 in mixed partly-premixed gas, is firing
It burns in area's porous media, air carries out superadiabatic premixed combustion with corresponding combustion gas, and remaining combustion gas is mixed with combustion product flue gas
Enter nozzle after conjunction, porous media conjunction depressed with nozzle outer space is diffused burning in nozzle region, and Gas Load distribution is being burnt
Above area's porous media, nozzle region porous media and nozzle, local Gas Load reduces, and advantageously reduces NOx emission.Porous Jie
The super-thermal insulating burning characteristic of matter can effectively reduce the generation of CO and carbon black etc..Combustion zone porous media and nozzle region porous media
Have heat accumulation function, heat loss due to exhaust gas can be effectively reduced, improves the thermal efficiency.Combustion zone porous media has heat accumulation function,
Radiation disk can be improved and radiate the radiative surface temperature of column, strengthen radiation heat transfer.Pass through the mistake in changing section premixed gas
Air coefficient is measured, gas consumption share in premixed combustion and diffusive combustion process can be adjusted, be conducive to the load tune of gas-cooker
Section.Anti-backfire area porous media uses tapered cross-section and small porosity porous media, by improving air velocity in porous media,
It prevents from being tempered.Radiation loss can effectively be reduced by being arranged in the thermal insulating liner of gas-cooker enclosure, improve the thermal efficiency.
Claims (5)
1. a kind of partly-premixed gas porosity medium gas-cooker, which is characterized in that the gas-cooker includes nozzle（1）, radiation column
（2）, radiation disk（3）, nozzle region porous media（4）, thermal insulating liner（5）, gas-cooker shell（6）, combustion zone porous media（7）、
Anti-backfire area porous media（8）, homogenizing plate（9）, premix barrel（10）, air intake（11）And fuel gas inlet（12）；Air intake
（11）, fuel gas inlet（12）With premix barrel（10）It is connected, premix barrel（10）It is sequentially arranged above homogenizing plate（9）, anti-backfire area
Porous media（8）, combustion zone porous media（7）, radiation disk（3）；Radiate disk（3）With radiation column（2）Radiating surface is connected, internal
Cavity communicates；Radiate column（2）Internal cavities fill combustion zone porous media（7）；Nozzle（1）With radiation column（2）Internal cavities phase
It is logical, nozzle（1）Middle applying nozzle area porous media（4）.
2. a kind of partly-premixed gas porosity medium gas-cooker according to claim 1, which is characterized in that the radiation column
（2）At least 2.
3. a kind of partly-premixed gas porosity medium gas-cooker according to claim 2, which is characterized in that the radiation column
（2）Circumferentially equivalent arrangements.
4. a kind of partly-premixed gas porosity medium gas-cooker according to claim 1, which is characterized in that the gas-cooker
Shell（6）Inside arrangement thermal insulating liner（5）.
5. a kind of partly-premixed gas porosity medium gas-cooker according to claim 1, which is characterized in that the radiation disk
（3）With radiation column（2）Radiating surface closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036594.5U CN207716464U (en) | 2018-01-10 | 2018-01-10 | A kind of partly-premixed gas porosity medium gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036594.5U CN207716464U (en) | 2018-01-10 | 2018-01-10 | A kind of partly-premixed gas porosity medium gas-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716464U true CN207716464U (en) | 2018-08-10 |
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ID=63055125
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820036594.5U Expired - Fee Related CN207716464U (en) | 2018-01-10 | 2018-01-10 | A kind of partly-premixed gas porosity medium gas-cooker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180507A (en) * | 2018-01-10 | 2018-06-19 | 沈阳工程学院 | A kind of partly-premixed gas porosity medium gas-cooker |
| CN111121021A (en) * | 2019-12-18 | 2020-05-08 | 史星宇 | Low-nitrogen combustion device with free diffusion premixed combustion layer and combustion head thereof |
| CN111947146A (en) * | 2020-07-17 | 2020-11-17 | 浙江吉成新材股份有限公司 | Radiation heating method and heating device for premixing combustion of porous material |
-
2018
- 2018-01-10 CN CN201820036594.5U patent/CN207716464U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180507A (en) * | 2018-01-10 | 2018-06-19 | 沈阳工程学院 | A kind of partly-premixed gas porosity medium gas-cooker |
| CN108180507B (en) * | 2018-01-10 | 2023-08-22 | 沈阳工程学院 | Partially premixed gas porous medium gas stove |
| CN111121021A (en) * | 2019-12-18 | 2020-05-08 | 史星宇 | Low-nitrogen combustion device with free diffusion premixed combustion layer and combustion head thereof |
| CN111947146A (en) * | 2020-07-17 | 2020-11-17 | 浙江吉成新材股份有限公司 | Radiation heating method and heating device for premixing combustion of porous material |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20200110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |