CN112197300A - Air distribution structure of combustion furnace - Google Patents
Air distribution structure of combustion furnace Download PDFInfo
- Publication number
- CN112197300A CN112197300A CN202011074468.7A CN202011074468A CN112197300A CN 112197300 A CN112197300 A CN 112197300A CN 202011074468 A CN202011074468 A CN 202011074468A CN 112197300 A CN112197300 A CN 112197300A
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- Prior art keywords
- air distribution
- metal
- inner shell
- distribution structure
- shell
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 68
- 238000009826 distribution Methods 0.000 title claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 67
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004449 solid propellant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
- F24B1/189—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers
- F24B1/19—Supplying combustion-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses an air distribution structure of a combustion furnace, which comprises a metal inner shell arranged between an upper stove and a furnace liner, wherein the inside of the metal inner shell is an inner circle fire channel, the lower part of the metal inner shell is an outwards inclined arc-shaped shell, the outer wall of the arc-shaped shell at the lower part of the metal inner shell is provided with a metal outer shell which is hermetically arranged with the metal inner shell, a cavity type air channel is formed between the lower part of the metal inner shell and the metal outer shell, the metal outer shell is provided with an air inlet pipe communicated with the cavity type air channel, the inner wall of the arc-shaped shell at the lower part of the metal inner shell is provided with a plurality of inclined convex air nozzles, the inclined convex air nozzles are annularly arranged on the same horizontal plane, and the inclined convex air nozzles blow air distribution in the cavity type air channel into. Through the mode, the fuel combustion device can enable fuel to be combusted, saves energy sources, reduces emission, protects environment, is suitable for mass production, can greatly reduce the manufacturing cost, and enables the combustion furnace to be installed and maintained more conveniently.
Description
Technical Field
The invention relates to the field of stoves, in particular to a combustion hearth air distribution structure.
Background
Traditional burning heating stove in the existing market, be the negative pressure stove basically, what adopt is that high-order chimney pulls out the wind naturally and carries out supplementary burning, also some adopt the malleation mode to blow from the furnace lower part, negative pressure stove low temperature burns inadequately, discharges difficult up to standard, pollutes seriously, and malleation stove fire is vigorous, and temperature control is difficult, and the environmental protection is handled complicacy after discharging, and the cost of manufacture is high, consequently still has not few troublesome problem in the aspect of environmental protection and energy saving, and the result that leads to is: the combustion furnace product technology is lagged behind, the environment-friendly and energy-saving effect is poor, large-scale production cannot be realized, and the popular demands of the market cannot be met, so that the problems of the conventional combustion heating furnace are solved, the technical development bottleneck of the conventional heating furnace is broken, and the combustion furnace becomes a common challenge in the industries of small-sized combustion heating furnaces, domestic water heaters, commercial boilers and industrial boilers.
Disclosure of Invention
The invention aims to provide a combustion furnace air distribution structure, which can enable fuel to be combusted more fully, save energy, reduce emission and protect environment.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a burning furnace air distribution structure, including setting up the metal inner shell between last kitchen range and stove courage, the inside of metal inner shell leads to the flame path for interior circle, the lower part of metal inner shell is the arc casing that leans out, the outer wall of the arc casing of metal inner shell lower part is equipped with it and forms cavity formula wind channel between metal casing and the metal casing lower part and the metal casing of sealed setting, be equipped with on the metal casing with the communicating air-supply line in cavity formula wind channel, the arc shells inner wall of metal inner shell lower part is equipped with a plurality of protruding tuyeres to one side, a plurality of protruding tuyeres to one side are located annular setting on the same horizontal plane, the air distribution in the cavity formula wind channel of protruding tuyeres to one side has inclination and blows in the furnace and forms whirlwind formula.
Further, the metal inner shell includes sill and excircle sill down including the interior circle of intercommunication setting, for interior circle fire path between sill and the excircle sill down on the interior circle, the sill is connected fixedly with last kitchen on the interior circle, the sill is connected fixedly with the stove courage under the excircle, the sill is used for the cover at stove courage excircle top to play the fixed action for perpendicular form circle hoop shape under the excircle, and the sill is formed by metal casing downwardly extending under the excircle.
Furthermore, at least one air inlet pipe is arranged.
Furthermore, the inclined convex air nozzle inclines towards the inner wall of the furnace pipe, the inclination angle is a, and meanwhile, an included angle is formed between the inclined convex air nozzle and the inner wall of the outer cylindrical lower ridge furnace pipe, and the included angle is b.
Further, the inclined convex type tuyere is inclined towards the inner wall direction of the furnace pipe, and the inclination angle a is 15 degrees.
Furthermore, an included angle is formed between the inclined convex tuyere and the inner wall of the outer cylindrical lower furnace pipe, and the included angle b is 15-55 degrees.
Further, the arc inner wall of the outer circle lower ridge is at least provided with a circle of inclined convex air nozzles which are annularly arranged.
Furthermore, when the inclined convex air nozzles are annularly arranged in the multiple circles, the inclined convex air nozzles of each circle are annularly distributed in a staggered manner.
Further, the metal inner shell, the metal outer shell, the air inlet pipe, the cavity type air duct and the inclined convex type air nozzle are all formed by adopting casting dies; and/or the metal inner shell, the metal outer shell, the air inlet pipe and the inclined convex air nozzle are formed by welding.
Furthermore, the air inlet pipe is externally connected with an oxygen supply and air distribution control device.
The invention has the beneficial effects that: the air distribution structure of the combustion furnace can enable fuel to be combusted more fully, save energy, reduce emission and protect environment, is suitable for mass production due to simple structure and convenient use, and can greatly reduce the manufacturing cost, so that the combustion furnace is simpler and more convenient to install and maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of an air distribution structure for a combustion chamber of the present invention;
FIG. 2 is a top view of an air distribution structure of a combustion chamber of the present invention;
FIG. 3 is a rear view of an air distribution structure for a combustion chamber of the present invention;
FIG. 4 is a bottom view of a combustion chamber air distribution structure of the present invention;
FIG. 5 is a right side view of a combustion chamber air distribution structure of the present invention;
FIG. 6 is a left side view of an air distribution structure of a combustion chamber of the present invention;
FIG. 7 is a perspective view of an air distribution structure for a combustion chamber of the present invention;
FIG. 8 is a cross-sectional view of an air distribution structure for a combustion chamber of the present invention;
FIG. 9 is a bottom view of a first embodiment of an air distribution structure for a combustion chamber of the present invention;
FIG. 10 is a front view of a first embodiment of an air distribution structure for a combustion chamber of the present invention;
FIG. 11 is a sectional view A-A of a first embodiment of an air distribution structure for a combustion chamber of the present invention;
fig. 12 is a B-B sectional view of a first embodiment of an air distribution structure of a combustion chamber according to the present invention.
1. The inner circle is provided with a ridge; 2. the inner circle is communicated with a flame path; 3. the outer circle is placed on the ridge; 4. an air inlet pipe; 5. a metal inner shell; 6. an oblique convex tuyere; 7. a metal housing; 8. cavity formula wind channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the drawings are exemplary only, and the invention is not limited to these embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Also, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 8, an embodiment of the present invention includes: the utility model provides a combustion furnace air distribution structure, is including setting up the metal inner shell 5 between last kitchen range and the stove courage, the inside of metal inner shell 5 leads to flame path 2 for interior circle, the lower part of metal inner shell 5 is the arc casing that leans out, the outer wall of the arc casing of metal inner shell 5 lower part is equipped with metal casing 7 and the sealed setting of metal inner shell 5 lower part with it and forms cavity formula wind channel 8 between metal casing 7, be equipped with on the metal casing 7 with the communicating air-supply line 4 in cavity formula wind channel 8, the arc shells inner wall of metal inner shell 5 lower part is equipped with a plurality of protruding tuyeres to one side, a plurality of protruding tuyeres to one side are located annular setting on the same horizontal plane, protruding tuyeres to one side have the air distribution in cavity formula wind channel 8 the slope blow in the furnace and form whirlwind formula burning.
Further, the metal inner shell 5 includes sill 1 and excircle sill 3 down on the interior circle that the intercommunication set up, be interior circle fire channel 2 between sill 1 and the excircle sill 3 down on the interior circle, sill 1 is connected fixedly with last kitchen on the interior circle, sill 3 is connected fixedly with furnace inner liner in the furnace under the excircle, sill 3 is down for the vertical form hoop shape by metal casing 7 downwardly extending constitution under the excircle.
Furthermore, at least one air inlet pipe is arranged.
Further, the inclined convex air nozzle inclines towards the inner wall of the furnace pipe, the inclination angle is a, and meanwhile, an included angle is formed between the inclined convex air nozzle and the inner wall of the outer lower ridge 3, and the included angle is b.
Further, the inclined convex type tuyere is inclined towards the inner wall direction of the furnace pipe, and the inclination angle a is 15 degrees.
Further, an included angle is formed between the inclined convex tuyere and the inner wall of the furnace pipe connected with the outer lower ridge 3, and the included angle b is 15-55 degrees.
Further, the arc-shaped inner wall of the outer circle lower ridge 3 is at least provided with a circle of inclined convex air nozzles which are annularly arranged.
Furthermore, when the inclined convex air nozzles are annularly arranged in the multiple circles, the inclined convex air nozzles of each circle are annularly distributed in a staggered manner.
Further, the metal inner shell 5, the metal outer shell 7, the through pipe and the oblique convex air nozzle are formed by a casting die, and the metal inner shell 5, the metal outer shell 7, the air inlet pipe and the oblique convex air nozzle can also be formed by welding.
Furthermore, the air inlet pipe is externally connected with an oxygen supply and air distribution control device.
The working principle is as follows: the combustion furnace air distribution structure is arranged in a furnace cavity of the combustion furnace, oxygen supply air distribution outside the combustion furnace is sent into an air inlet pipe 4 of the combustion furnace air distribution structure through an air distribution pipe, after the air distribution enters a cavity type air duct 8, the external air distribution outside the combustion furnace is uniformly blown into the furnace cavity through an annular inclined convex air nozzle 6 arranged on a metal inner shell 5 arranged in the cavity type air duct 8, cyclone firepower is formed in the furnace cavity, and fuel in the furnace cavity is rapidly heated. By adopting the method, the combustion temperature of the hearth is improved, the fuel in the hearth is combusted more fully, the energy is saved, the combustion hearth air distribution structure is an important part for fully combusting the combustion furnace, the heat efficiency is improved, and the environment-friendly emission is realized.
The air distribution structure of the combustion furnace is characterized in that a circular cavity type air channel 8 is formed by sealing upper and lower circular arc surfaces of a metal outer shell 7 and a metal inner shell 5, one or more air inlet pipes 4 are arranged on or on the upper surface or the side surface of the metal outer shell 7 and used for introducing furnace air distribution outside a combustion furnace, the furnace air distribution enters the cavity type air channel 8 through the air inlet pipes 4, the combustion furnace is uniformly distributed with air and blown into the furnace under the action of inclined convex air nozzles 6 arranged on the metal inner shell 5, adjustable rotary firepower during combustion of the furnace is formed, fuel in the furnace can be fully combusted, the effects of improving combustion efficiency, stabilizing combustion conditions in the furnace, saving energy, reducing emission and protecting the environment are achieved.
The air inlet pipe 4 of the air distribution structure of the combustion furnace enters the cavity type air channel 8, oxygen supply and air distribution are uniformly blown into the furnace through the inclined convex air nozzle 6 arranged on the metal shell 7 in the cavity type air channel 8, adjustable cyclone firepower is formed in the furnace, fuel in the furnace can be fully combusted, energy is saved, and environment-friendly emission is achieved.
The air distribution structure of the combustion hearth is characterized in that the annular inclined convex air nozzles 6 are arranged on the metal inner shell 5 and are distributed in an annular staggered manner.
The manufacturing of the combustion furnace air distribution structure adopts casting mold forming or welding forming, and the furnace air distribution structure of the combustion furnace is formed by assembling on a furnace pipe in the furnace, and has the characteristics of simple installation and convenient maintenance.
The combustion furnace air distribution structure can rapidly improve the combustion temperature of the furnace, can adjust the air distribution quantity according to the combustion working condition, and realizes the continuous and stable combustion working condition, so that the heat output of the furnace is stable, national fuel is fully combusted, energy is saved, the effects of emission reduction and environmental protection are obvious, and the installation and the maintenance are convenient.
An arc metal casing 7 and the circular back formation cavity formula wind channel 8 that seals in arc metal inner shell 5 both ends of a burning furnace air distribution structure, be provided with interior circle in the middle of the back of arc metal casing 7 and lead to flame 2 and be used for exporting the high temperature flame that the furnace burning produced, cavity formula wind channel 8 is sealed by upper and lower two-layer semicircle arc-shaped shell and forms, adopts mould shaping or weld forming.
As shown in fig. 9 to 12, the first embodiment of the present invention: the section of a metal shell of a combustion hearth air distribution structure is in a right-angle form.
The invention relates to a combustion hearth air distribution structure which is made of metal materials and arranged on an inner container of a combustion hearth to form the combustion hearth air distribution structure, and can adjust the combustion intensity and stabilize the combustion working condition through external air distribution in the combustion process of solid fuel, thereby realizing the sufficient combustion of the solid fuel in the hearth, improving the combustion efficiency of the fuel, saving energy and reducing emission. The structure is simple and convenient, the use is convenient, the device is suitable for mass production, the manufacturing cost can be greatly reduced, and the installation and the maintenance of the combustion furnace are simpler and more convenient. The combustion furnace cavity air distribution structure can be widely used in the fields of residential heating furnaces, domestic water heaters, commercial boilers, industrial boilers and the like
Furthermore, it should be noted that in the present specification, "include" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, a method, an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or further includes elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a burning furnace air distribution structure, its characterized in that is including setting up the metal inner shell between last kitchen range and stove courage, the inside of metal inner shell is interior circle and leads to the flame path, the lower part of metal inner shell is for leaning out's arc casing, the outer wall of the arc casing of metal inner shell lower part is equipped with the sealed metal casing that sets up with it and forms cavity formula wind channel between metal inner shell lower part and the metal casing, be equipped with on the metal casing with the communicating air-supply line in cavity formula wind channel, the arc shells inner wall of metal inner shell lower part is equipped with a plurality of protruding tuyeres to one side, a plurality of protruding tuyeres to one side are located annular setting on the same horizontal plane, protruding tuyeres to one side have the air distribution in the cavity formula wind channel the inclination blow in the furnace.
2. The combustion chamber air distribution structure of claim 1, characterized in that: the metal inner shell includes that the intercommunication sets up the bank under bank and the excircle on the inner circle, for interior circle through flue between the bank under bank and the excircle on the inner circle, the bank is connected fixedly with kitchen range and exhaust port on the inner circle, the bank is connected fixedly with the stove courage under the excircle, the bank is used for the cover at stove courage excircle top to play the fixed action for perpendicular form circle hoop shape under the excircle.
3. The combustion chamber air distribution structure of claim 1, characterized in that: at least one ventilation pipe is arranged.
4. The combustion chamber air distribution structure of any one of claims 1 or 2, characterized in that: the inclined convex tuyere inclines towards the inner wall of the furnace pipe, the inclination angle is a, and meanwhile, the inclined convex tuyere and the outer circle lower ridge inner wall are provided with an included angle, and the included angle is b.
5. The combustion chamber air distribution structure of claim 4, characterized in that: the inclined convex tuyere inclines towards the inner wall of the furnace pipe, and the inclination angle a is 15 degrees.
6. The combustion chamber air distribution structure of claim 4, characterized in that: the inclined convex air nozzle and the inner wall of the outer circle lower ridge form an included angle, and the included angle b is 15-55 degrees.
7. The combustion chamber air distribution structure of any one of claims 1 or 2, characterized in that: the inner wall of the excircle lower ridge is at least provided with a circle of inclined convex air nozzles which are annularly arranged.
8. The combustion chamber air distribution structure of claim 7, wherein: when the inclined convex air nozzles are annularly arranged in the multiple circles, the inclined convex air nozzles of each circle are annularly distributed in a staggered manner.
9. The combustion chamber air distribution structure of claim 1, characterized in that: the metal inner shell, the metal outer shell, the air inlet pipe, the cavity type air duct and the inclined convex type air nozzle are all formed by adopting casting dies; and/or the metal inner shell, the metal outer shell, the air inlet pipe and the inclined convex air nozzle are formed by welding.
10. The combustion chamber air distribution structure of claim 1, characterized in that: the air inlet pipe is externally connected with an oxygen supply and air distribution control device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011074468.7A CN112197300A (en) | 2020-10-09 | 2020-10-09 | Air distribution structure of combustion furnace |
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Application Number | Priority Date | Filing Date | Title |
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CN202011074468.7A CN112197300A (en) | 2020-10-09 | 2020-10-09 | Air distribution structure of combustion furnace |
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CN112197300A true CN112197300A (en) | 2021-01-08 |
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CN202011074468.7A Pending CN112197300A (en) | 2020-10-09 | 2020-10-09 | Air distribution structure of combustion furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114321982A (en) * | 2020-10-11 | 2022-04-12 | 万长江 | Combustion furnace tube type air distribution device |
CN114321983A (en) * | 2020-10-11 | 2022-04-12 | 万长江 | Combustion furnace chamber air distribution cover |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2811786Y (en) * | 2005-05-23 | 2006-08-30 | 陈志政 | Environment-friendly energy-saving range |
CN204962863U (en) * | 2015-05-15 | 2016-01-13 | 万长江 | Fire burning furnace air distribution cover |
CN111396930A (en) * | 2020-04-29 | 2020-07-10 | 马鞍山洁之燃信息科技有限公司 | Heating device using solid fuel |
-
2020
- 2020-10-09 CN CN202011074468.7A patent/CN112197300A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2811786Y (en) * | 2005-05-23 | 2006-08-30 | 陈志政 | Environment-friendly energy-saving range |
CN204962863U (en) * | 2015-05-15 | 2016-01-13 | 万长江 | Fire burning furnace air distribution cover |
CN111396930A (en) * | 2020-04-29 | 2020-07-10 | 马鞍山洁之燃信息科技有限公司 | Heating device using solid fuel |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114321982A (en) * | 2020-10-11 | 2022-04-12 | 万长江 | Combustion furnace tube type air distribution device |
CN114321983A (en) * | 2020-10-11 | 2022-04-12 | 万长江 | Combustion furnace chamber air distribution cover |
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