CN108548177B - Combustor with flue gas collection function - Google Patents
Combustor with flue gas collection function Download PDFInfo
- Publication number
- CN108548177B CN108548177B CN201810486804.5A CN201810486804A CN108548177B CN 108548177 B CN108548177 B CN 108548177B CN 201810486804 A CN201810486804 A CN 201810486804A CN 108548177 B CN108548177 B CN 108548177B
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- China
- Prior art keywords
- flue gas
- recovery
- combustion chamber
- communicated
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000003546 flue gas Substances 0.000 title claims abstract description 110
- 238000011084 recovery Methods 0.000 claims abstract description 65
- 238000002485 combustion reaction Methods 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 29
- 239000000428 dust Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 description 11
- 239000002737 fuel gas Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/38—Torches, e.g. for brazing or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/465—Details, e.g. noise reduction means for torches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
- F23J11/08—Devices for conducting smoke or fumes, e.g. flues for portable apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention provides a burner with a flue gas collection function, which comprises: the combustion chamber is provided with a plurality of air outlet holes along the axial direction on one side; a mixed gas supply pipe communicated with the combustion chamber; and the flue gas recovery part is communicated with the combustion chamber. The burner with the flue gas collecting function can provide uniform and stable flame and collect smoke dust in the combustion process.
Description
Technical Field
The invention belongs to the field of waterproof construction engineering equipment, and particularly relates to a combustor with a flue gas collection function.
Background
With the continuous development and progress of the economy in China, a plurality of important foundation engineering constructions are carried out annually in China, and the foundation engineering constructions relate to buildings, roads, bridges, tunnels and the like, and the rapid growth of real estate construction is carried out, and the waterproof construction is carried out in the projects.
The existing waterproof coiled material paving construction is generally to fully heat the waterproof coiled material and then lay the waterproof coiled material on a part needing to be waterproof, and then compact the waterproof coiled material through rollers. The common manual heating operation is that a worker holds a blast lamp to heat the coiled material for a certain time and then lays the coiled material. Because the coiled material surface width is bigger, so the hand-held blowtorch is required to transversely heat in a reciprocating way, the heating effect is uneven and the time consumption is longer. If a plurality of torches are used for simultaneous heating, at least two workers are required to be responsible for the heating at the same time, increasing man-hours and costs.
In addition, some existing hot melt paves waterproofing membrane car, fix a plurality of blowlamps on the shelf, heat to the coiled material after igniting, although saved the human cost, the inhomogeneous problem of heating still exists, and fuel consumption is great moreover, and extravagant serious can produce very big smoke and dust simultaneously, is unfavorable for observing the baking condition of combustor.
Therefore, it is necessary to develop a burner with a smoke collection function which has a uniform amount of fire, is sufficient in fuel gas, saves energy and reduces emission, and can prevent smoke from affecting the laying effect.
The information disclosed in the background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a burner with a flue gas collecting function, which can provide uniform and stable flame and collect smoke dust in a combustion process.
In order to achieve the above object, the present invention provides a burner with a smoke collection function, the burner with a smoke collection function comprising:
The combustion chamber is provided with a plurality of air outlet holes along the axial direction on one side;
a mixed gas supply pipe communicated with the combustion chamber;
and the flue gas recovery part is communicated with the combustion chamber.
Preferably, the flue gas recovery part comprises a recovery shell, a flue gas diversion pipeline, a flue gas recovery pipeline and a drainage fan, wherein the recovery shell is arranged at the top of the combustion chamber and is communicated with the combustion chamber, one end of the flue gas diversion pipeline is communicated with the recovery shell, the other end of the flue gas diversion pipeline is communicated with the middle part of the flue gas recovery pipeline, and the drainage fan is arranged at the communication position of the flue gas diversion pipeline and the flue gas recovery pipeline.
Preferably, the device further comprises a driving motor, a catalyst support frame and a three-way catalyst, wherein the driving motor is arranged on one side of the flue gas recovery pipeline, an output shaft is connected with the drainage fan, the catalyst support frame is arranged on the other side of the flue gas recovery pipeline, and the three-way catalyst is arranged on the catalyst support frame.
Preferably, the drainage fan further comprises a connecting shaft and a heat insulation sleeve, wherein the driving motor is connected with the drainage fan through the connecting shaft, and the heat insulation sleeve is sleeved on the connecting shaft.
Preferably, the flue gas recovery device further comprises a triangular fixing frame, and the heat insulation sleeve is connected to the flue gas recovery pipeline through the triangular fixing frame.
Preferably, the flue gas diversion pipeline comprises a flaring end and a closing end, the closing end of the flue gas diversion pipeline is communicated with the flue gas recovery pipeline, and the flaring end is communicated with the recovery shell.
Preferably, the two flue gas diversion pipelines are respectively communicated with the long side direction of the recovery shell, and the two flue gas recovery pipelines are respectively connected with the two flue gas diversion pipelines.
Preferably, the recycling device further comprises a flue gas separation plate, and the flue gas separation plate is arranged in the middle of the recycling shell.
Preferably, a plurality of the air outlet holes are provided on the surface of the combustion chamber in an array or staggered manner along the axial direction of the combustion chamber.
Preferably, the mixed gas supply pipe comprises a fuel inlet end, an air inlet end and a gas outlet end, and the gas outlet end is communicated with two sides of the combustion chamber.
The invention has the beneficial effects that:
1) Through offer a plurality of ventholes in combustion chamber one side, provide the gas mixture of gas and air through mixing the air supply pipe, make the combustor that has the flue gas and collect the function can provide stable flame.
2) Through the setting of flue gas recovery portion, collect the flue gas that produces in the gas combustion process, prevent that the production of flue gas from blockking user's sight.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic structural view of a burner having a smoke collection function according to an embodiment of the present invention.
FIG. 2 illustrates a side view of a burner with a flue gas collection function according to one embodiment of the present invention.
Description of the reference numerals
1. A combustion chamber; 2. a mixed gas supply pipe; 3. a flue gas recovery unit; 4. a recovery housing; 5. a flue gas diversion pipeline; 6. a flue gas recovery duct; 7. a drainage fan; 8. a driving motor; 9. and closing the end.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a burner with a flue gas collection function, which comprises:
The combustion chamber is provided with a plurality of air outlet holes along the axial direction on one side;
a mixed gas supply pipe communicated with the combustion chamber;
and the flue gas recovery part is communicated with the combustion chamber.
Specifically, the burner with the flue gas collecting function is used for baking coiled materials, then the coiled materials are paved, the air outlet holes are uniformly formed in one side of the combustion chamber, the mixed gas of fuel gas and air is provided through the mixed air supply pipe, the mixed gas is sprayed out through the air outlet holes, uniform and stable flame can be formed, and meanwhile, the combustion of the mixed gas of fuel gas and air is more sufficient, so that the effects of energy conservation and emission reduction are achieved.
Specifically, retrieve through the flue gas that sets up in gas burning production of flue gas recovery portion, prevent that the smoke and dust from blockking user's sight, influence the laying effect of coiled material.
As the preferred scheme, flue gas recovery portion is including retrieving casing, flue gas water conservancy diversion pipeline, flue gas recovery pipeline and drainage fan, retrieve the casing setting in combustion chamber top, communicate in the combustion chamber, flue gas water conservancy diversion pipeline one end communicate in retrieve the casing, the other end communicate in the middle part of flue gas recovery pipeline, the drainage fan sets up flue gas water conservancy diversion pipeline with the department of communicating of flue gas recovery pipeline.
Specifically, in the use, retrieve the casing knot and establish at the combustion chamber top, the drainage fan rotates, and the wind of production is collected the smoke and dust through retrieving casing department, then flows into the flue gas recovery pipeline through the flue gas water conservancy diversion pipeline, prevents that the smoke and dust from influencing user's field of vision.
As the preferred scheme, still include driving motor, catalyst support frame and three way catalyst, driving motor set up in flue gas recovery pipeline one side, output shaft in drainage fan, the catalyst support frame set up in flue gas recovery pipeline opposite side, three way catalyst sets up on the catalyst support frame.
Specifically, a sealing device is arranged on one side of the flue gas recovery pipeline, on which the driving motor is arranged, so that smoke dust orderly passes through the catalyst support frame and the three-way catalyst.
Specifically, the smoke dust flows through the catalyst support frame and the three-way catalyst through the smoke gas recovery pipeline after being collected by the wind of the drainage fan, and the smoke dust is treated through the three-way catalyst, so that the environment is protected.
Specifically, through the setting of drainage fan, can play combustion-supporting, the effect of gathering to the flame of combustor simultaneously.
As the preferable scheme, the novel drainage fan further comprises a connecting shaft and a heat insulation sleeve, wherein the driving motor is connected with the drainage fan through the connecting shaft, and the heat insulation sleeve is sleeved on the connecting shaft.
Specifically, a heat insulation sleeve is sleeved on the connecting shaft. The connecting shaft is prevented from being aged and deformed by heat without being hindered from rotating.
The smoke recycling device is characterized by further comprising a triangular fixing frame, wherein the heat insulation sleeve is connected with the smoke recycling pipeline through the triangular fixing frame.
Specifically, through the fixed insulating tube of triangle mount, effectively reduce the contact point, prevent to do benefit to the circulation of smoke and dust, fix insulating tube through the three points simultaneously, firm effect is better.
As a preferable scheme, the flue gas diversion pipeline comprises a flaring end and a closing end, the closing end of the flue gas diversion pipeline is communicated with the flue gas recovery pipeline, and the flaring end is communicated with the recovery shell.
Specifically, through the effective area that the setting through the flaring end improved flue gas water conservancy diversion pipeline flue gas and collect, be convenient for absorb the flue gas through the drainage fan, through the setting of the end of binding off, collect the fan of drainage fan, be convenient for collect the smoke and dust.
As an optimal scheme, the number of the smoke diversion pipelines is two, the smoke diversion pipelines are respectively communicated with the long side direction of the recovery shell, and the number of the smoke recovery pipelines is two and respectively connected with the two smoke diversion pipelines.
Specifically, through the setting of two flue gas honeycomb ducts, set up respectively in retrieving the casing both ends, improved the collection efficiency of smoke and dust.
As a preferable scheme, the recycling device further comprises a smoke isolation plate, wherein the smoke isolation plate is arranged in the middle of the recycling shell.
Specifically, through the setting of flue gas division board, make two flue gas water conservancy diversion pipelines carry out the flue gas collection for retrieving the casing both ends respectively, mutually noninterfere, improved the flue gas rate of recovery greatly, realize the orderly emission of smoke and dust.
Preferably, the plurality of air outlet holes are arranged on the surface of the combustion chamber in an array form or a staggered form along the axial direction of the combustion chamber.
Specifically, the arrangement mode of the array form can enable flames to be more uniform, and the arrangement of the staggered form can enable flame spraying directions to be different and baking to be more uniform.
Preferably, the mixed air supply pipe comprises a fuel inlet end, an air inlet end and a fuel gas outlet end, and the fuel gas outlet end is communicated with two sides of the combustion chamber.
Specifically, the fuel gas can be combusted more sufficiently by supplying air through the air inlet port, supplying fuel gas through the fuel gas inlet port, mixing the fuel gas with the air in the mixed air supply pipe, and then discharging the mixture through the fuel gas outlet port.
Examples
Fig. 1 shows a schematic structural view of a burner having a smoke collection function according to an embodiment of the present invention. FIG. 2 illustrates a side view of a burner with a flue gas collection function according to one embodiment of the present invention.
As shown in fig. 1 to 2, the burner with a smoke collection function includes:
A combustion chamber 1, wherein a plurality of air outlet holes (not shown) are formed on one side of the combustion chamber 1 along the axial direction;
A mixed gas supply pipe 2, the mixed gas supply pipe 2 being communicated with the combustion chamber 1;
The flue gas recovery portion 3, flue gas recovery portion 3 is including retrieving casing 4, flue gas water conservancy diversion pipeline 5, flue gas recovery pipeline 6, drainage fan 7, driving motor 8, catalyst support frame (not shown) and three way catalyst (not shown), retrieve casing 4 set up the combustion chamber 1 top, communicate in combustion chamber 1, flue gas water conservancy diversion pipeline 5 one end communicate in retrieve casing 4, the other end communicate in the middle part of flue gas recovery pipeline 6, drainage fan 7 set up flue gas water conservancy diversion pipeline 5 with the intercommunication department of flue gas recovery pipeline 6, driving motor 8 set up in flue gas recovery pipeline 6 one side, output shaft (not shown) connect in drainage fan 7, the catalyst support frame set up in flue gas recovery pipeline 6 opposite side, three way catalyst sets up on the catalyst support frame.
The air conditioner further comprises a connecting shaft (not shown) and a heat insulation sleeve (not shown), wherein the driving motor 8 is connected to the drainage fan 7 through the connecting shaft, and the heat insulation sleeve is sleeved on the connecting shaft.
Wherein, still include triangle mount (not shown), the insulating sleeve pipe passes through triangle mount connect to flue gas recovery pipeline 3.
The flue gas diversion pipeline 5 comprises a flaring end and a closing end 9, the closing end 9 of the flue gas diversion pipeline 5 is communicated with the flue gas recovery pipeline 6, and the flaring end is communicated with the recovery shell 4.
The two flue gas diversion pipelines 5 are respectively communicated with the long side direction of the recovery shell 4, and the two flue gas recovery pipelines 6 are respectively connected with the two flue gas diversion pipelines 5.
Wherein, still include flue gas division board (not shown), the flue gas division board set up in retrieve casing 4 middle part.
Wherein, a plurality of the air outlet holes are arranged on the surface of the combustion chamber 1 in an array form or a staggered form along the axial direction of the combustion chamber.
The mixed gas supply pipe 2 comprises a fuel inlet end, an air inlet end and a gas outlet end, and the gas outlet end is communicated with two sides of the combustion chamber.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (6)
1. The utility model provides a combustor with flue gas collection function which characterized in that, this combustor with flue gas collection function includes:
The combustion chamber is provided with a plurality of air outlet holes along the axial direction on one side;
a mixed gas supply pipe communicated with the combustion chamber;
the flue gas recovery part is communicated with the combustion chamber;
The flue gas recovery part comprises a recovery shell, a flue gas diversion pipeline, a flue gas recovery pipeline and a drainage fan, wherein the recovery shell is arranged at the top of the combustion chamber and is communicated with the combustion chamber, one end of the flue gas diversion pipeline is communicated with the recovery shell, the other end of the flue gas diversion pipeline is communicated with the middle part of the flue gas recovery pipeline, and the drainage fan is arranged at the communication part of the flue gas diversion pipeline and the flue gas recovery pipeline;
the flue gas diversion pipeline comprises a flaring end and a closing end, the closing end of the flue gas diversion pipeline is communicated with the flue gas recovery pipeline, and the flaring end is communicated with the recovery shell;
the two flue gas guide pipelines are respectively communicated with the long side direction of the recovery shell, and the two flue gas recovery pipelines are respectively connected with the two flue gas guide pipelines;
and the flue gas isolation plate is arranged in the middle of the recovery shell.
2. The burner with the flue gas collection function according to claim 1, further comprising a driving motor, a catalyst support frame and a three-way catalyst, wherein the driving motor is arranged on one side of the flue gas recovery pipeline, an output shaft is connected to the drainage fan, the catalyst support frame is arranged on the other side of the flue gas recovery pipeline, and the three-way catalyst is arranged on the catalyst support frame.
3. The burner with the flue gas collection function according to claim 2, further comprising a connecting shaft and a heat insulation sleeve, wherein the driving motor is connected to the drainage fan through the connecting shaft, and the heat insulation sleeve is sleeved on the connecting shaft.
4. A burner with flue gas collection function according to claim 3, further comprising a triangular mount through which the insulating sleeve is connected to the flue gas recovery duct.
5. The burner with a flue gas collecting function according to claim 2, wherein a plurality of the gas outlet holes are provided in an array form or a staggered form on a surface of the combustion chamber along an axial direction of the combustion chamber.
6. The burner with flue gas collection function according to claim 1, wherein the mixed gas supply tube includes a fuel inlet end, an air inlet end, and a gas outlet end, the gas outlet end being communicated with both sides of the combustion chamber.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486804.5A CN108548177B (en) | 2018-05-21 | 2018-05-21 | Combustor with flue gas collection function |
| PCT/CN2018/098462 WO2019029440A1 (en) | 2017-08-09 | 2018-08-03 | Burner and locomotive for spreading waterproof coil in hot melt manner |
| US16/637,041 US11668056B2 (en) | 2017-08-09 | 2018-08-03 | Burner and locomotive for spreading waterproof coil in hot melt manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486804.5A CN108548177B (en) | 2018-05-21 | 2018-05-21 | Combustor with flue gas collection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548177A CN108548177A (en) | 2018-09-18 |
| CN108548177B true CN108548177B (en) | 2024-07-09 |
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ID=63495395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810486804.5A Active CN108548177B (en) | 2017-08-09 | 2018-05-21 | Combustor with flue gas collection function |
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| Country | Link |
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| CN (1) | CN108548177B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822422A (en) * | 2019-11-28 | 2020-02-21 | 遂宁永荣高科技有限公司 | Forced ventilation burner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355784A (en) * | 2017-08-09 | 2017-11-17 | 北京东方雨虹防水技术股份有限公司 | A kind of burner |
| CN208859601U (en) * | 2018-05-21 | 2019-05-14 | 北京东方雨虹防水技术股份有限公司 | Burner with fume collection function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378443A (en) * | 1992-01-03 | 1995-01-03 | A. Ahlstrom Corporation | Method for reducing emissions when burning nitrogen containing fuels |
| CN103196139B (en) * | 2013-04-27 | 2015-04-15 | 重庆大学 | Smoke reflux vaporized alcohol-based fuel burner |
| CN106765087A (en) * | 2016-12-16 | 2017-05-31 | 北京神雾环境能源科技集团股份有限公司 | A kind of Multifunction combustion device |
| CN206519424U (en) * | 2017-02-13 | 2017-09-26 | 石家庄泽辰新能源科技有限公司 | A kind of welding fume dedusting device for reducing dust |
-
2018
- 2018-05-21 CN CN201810486804.5A patent/CN108548177B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355784A (en) * | 2017-08-09 | 2017-11-17 | 北京东方雨虹防水技术股份有限公司 | A kind of burner |
| CN208859601U (en) * | 2018-05-21 | 2019-05-14 | 北京东方雨虹防水技术股份有限公司 | Burner with fume collection function |
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| Publication number | Publication date |
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| CN108548177A (en) | 2018-09-18 |
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