CN112050225A - Garbage incinerator burner control system - Google Patents
Garbage incinerator burner control system Download PDFInfo
- Publication number
- CN112050225A CN112050225A CN202010885173.1A CN202010885173A CN112050225A CN 112050225 A CN112050225 A CN 112050225A CN 202010885173 A CN202010885173 A CN 202010885173A CN 112050225 A CN112050225 A CN 112050225A
- Authority
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- China
- Prior art keywords
- air outlet
- outlet pipe
- shell
- communicated
- ventilation cavity
- 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.)
- Pending
Links
- 239000010813 municipal solid waste Substances 0.000 title abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 abstract description 16
- 239000003921 oil Substances 0.000 abstract description 15
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a garbage incinerator burner control system, and relates to the technical field of burners. The invention comprises a shell, wherein a first ventilation cavity and a second ventilation cavity are arranged in the shell; one end of the shell is provided with an air outlet pipe communicated with the second ventilation cavity; the peripheral side of the air outlet pipe is provided with an air guide channel; the air outlet pipe is fixed with an atomizing nozzle through a mounting rack; an ignition electrode is fixed on the peripheral side surface of the air outlet pipe; the top of the shell is provided with a preheating box; the bottom in the preheating box is provided with a heating resistor and a circulating pump; the liquid outlet end of the circulating pump is communicated with an oil guide pipe; the other end of the oil guide pipe is communicated with the atomizing nozzle. The invention secondarily supports combustion of the ignited fuel oil through the impeller in the first ventilation cavity, increases the air inlet amount of air, ensures that garbage in the incinerator is fully combusted, and preheats and heats the low-temperature fuel oil through the heating resistor in the preheating tank, thereby reducing the heating and igniting time after fuel oil atomization, avoiding black smoke generated when the incinerator is started, and reducing the pollution to the environment.
Description
Technical Field
The invention belongs to the technical field of combustors, and particularly relates to a garbage incinerator combustor control system.
Background
The garbage incinerator is a harmless treatment device which is commonly used for harmless treatment of medical and domestic wastes and animals. The principle is that the objects to be treated are incinerated and carbonized at high temperature by utilizing the combustion of fuels such as coal, fuel oil, fuel gas and the like so as to achieve the aim of disinfection.
The single-section combustor that present waste incinerator used, the combustor is mostly, through the fan air supply, the ignition electrode directly ignites the rubbish of burning the intracavity to atomizing fuel, but this kind of structure, the amount of wind of air inlet is lower, it is insufficient easily to make the refuse combustion, and fuel is igniting the in-process, low temperature fuel need through atomizing and heating just can burn, at the fuel heating in-process, can lead to burning furnace and produce a large amount of black cigarettes when opening the use, great to the pollution of environment.
Disclosure of Invention
The invention aims to provide a garbage incinerator burner control system, which secondarily supports combustion of ignited fuel oil through an impeller in a first ventilation cavity, increases air inlet air quantity of air, and simultaneously preheats and heats low-temperature fuel oil through a heating resistor in a preheating box, so that heating and igniting time after fuel oil atomization is shortened. Solves the problems that the existing incinerator is insufficient in garbage combustion and easy to produce black smoke.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a garbage incinerator burner control system, which comprises a shell,
a first ventilation cavity and a second ventilation cavity are arranged in the shell; impellers are rotationally connected between the two side surfaces in the first ventilation cavity and the second ventilation cavity; servo motors which are mutually connected with the two impellers are fixed on the two sides of the shell respectively through bolts; one end of the shell is provided with an air outlet pipe communicated with the second ventilation cavity; the peripheral side surface of the bottom end of the air outlet pipe is provided with an air guide channel communicated with the first ventilation cavity;
one end of the air outlet pipe, which is far away from the shell, is in threaded connection with a connecting sleeve;
the mounting frame is arranged in the air outlet pipe; the air outlet pipe is fixedly provided with an atomizing nozzle through a mounting frame; an ignition electrode is fixed on the peripheral side surface of the air outlet pipe; the end part of the ignition electrode extends into the air outlet pipe;
a preheating box is arranged at the top of the shell; the bottom in the preheating box is provided with a heating resistor and a circulating pump; the liquid outlet end of the circulating pump is communicated with an oil guide pipe; the other end of the oil guide pipe is communicated with the atomizing nozzle.
Further, the impeller comprises a shaft rod which is connected with the rotating shaft end of the servo motor in an interconnecting way; the peripheral side surfaces of two ends of the shaft lever are provided with connecting frames; the end parts of the two connecting frames are respectively fixed with a limiting end ring; and fan blades are arranged between the opposite surfaces of the two limiting end rings in an annular array manner.
Furthermore, the connecting sleeve is arranged in a horn-shaped structure; the circumferential side surface of the open end of the connecting sleeve is provided with internal threads communicated with the end parts of the air outlet pipes; and a helical blade is arranged between the two ends of the inner wall of the connecting sleeve.
Furthermore, wind shields are arranged inside the wind guide channel and close to one end of the wind outlet pipe; the cross section of the wind deflector is of a V-shaped structure.
Further, the top of the preheating box is communicated with an oil inlet pipe; and a filter is communicated between the circulating pump and the oil guide pipe on one side of the preheating tank.
Further, an ignition transformer is arranged at the top of the shell; and the connecting end of the ignition transformer is electrically connected with the ignition electrode through a lead.
Further, the casing both sides just are located first ventilation chamber and second ventilation chamber and keep away from servo motor one end and all are equipped with the air inlet grid.
The invention has the following beneficial effects:
1. the invention supplies air for the first time under the action of the impeller in the second ventilation cavity, after the atomized fuel is ignited and combusted by the igniter, the impeller in the first ventilation cavity secondarily supports combustion for the ignited fuel, so that the air supply quantity of the air is increased, the garbage in the incinerator is ensured to be fully combusted, and the heating resistor in the preheating tank preheats and heats the low-temperature fuel, thereby reducing the heating and igniting time after the fuel is atomized, avoiding the generation of black smoke when the incinerator is started, and reducing the pollution to the environment.
2. When air is secondarily blown, the air guide channel enables the air to flow along the inner wall of the air outlet pipe, and ignited flame is sprayed out in a rotating mode under the action of the spiral blades on the inner wall of the connecting sleeve, so that the temperature of the flame is increased, the garbage in the incinerator is guaranteed to be fully combusted, and the garbage combustion efficiency in the incinerator is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a burner control system of a waste incinerator according to the present invention;
FIG. 2 is a cross-sectional structural view of a control system of a burner of a waste incinerator;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic view of a vertical cross-sectional cut-away view of a refuse incinerator burner control system;
FIG. 6 is a schematic structural view of an impeller;
FIG. 7 is a schematic view of the construction of the connection sleeve;
in the drawings, the components represented by the respective reference numerals are listed below:
1-shell, 2-impeller, 3-servomotor, 4-connecting sleeve, 5-atomizing nozzle, 6-ignition electrode, 7-heating resistor, 8-circulating pump, 9-oil guide pipe, 10-filter, 11-ignition transformer, 101-first ventilation cavity, 102-second ventilation cavity, 103-air outlet pipe, 104-air guide channel, 105-mounting rack, 106-preheating box, 107-wind shield, 108-oil inlet pipe, 109-air inlet grid, 201-shaft rod, 202-connecting rack, 203-limiting end ring, 204-fan blade, 401-internal thread, 402-helical blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention is a burner control system for a waste incineration furnace, including a housing 1,
a first ventilation cavity 101 and a second ventilation cavity 102 are arranged inside the shell 1; impellers 2 are rotatably connected between the two side surfaces in the first ventilation cavity 101 and the second ventilation cavity 102; two sides of the shell 1 are respectively fixed with a servo motor 3 which is connected with the two impellers 2 through bolts; one end of the shell 1 is provided with an air outlet pipe 103 communicated with the second ventilation cavity 102; the peripheral side surface of the bottom end of the air outlet pipe 103 is provided with an air guide channel 104 communicated with the first ventilation cavity 101;
one end of the air outlet pipe 103 far away from the shell 1 is connected with a connecting sleeve 4 through threads;
an installation frame 105 is arranged inside the air outlet pipe 103; the air outlet pipe 103 is fixed with an atomizing nozzle 5 through a mounting rack 105; an ignition electrode 6 is fixed on the peripheral side surface of the air outlet pipe 103; the end part of the ignition electrode 6 extends into the air outlet pipe 103;
the top of the shell 1 is provided with a preheating box 106; the bottom in the preheating box 106 is provided with a heating resistor 7 and a circulating pump 8; the liquid outlet end of the circulating pump 8 is communicated with an oil guide pipe 9; the other end of the oil guide pipe 9 is communicated with the atomizing nozzle 5.
Wherein, the impeller 2 comprises a shaft lever 201 which is connected with the rotating shaft end of the servo motor 3; the peripheral sides of the two ends of the shaft lever 201 are provided with connecting frames 202; the end parts of the two connecting frames 202 are both fixed with a limit end ring 203; the fan blades 204 are arranged in an annular array between the opposite surfaces of the two limit end rings 203.
Wherein, the connecting sleeve 4 is arranged in a trumpet-shaped structure; the circumferential side surface of the open end of the connecting sleeve 4 is provided with internal threads 401 which are communicated with the end parts of the air outlet pipes 103; the helical blades 402 are arranged between the two ends of the inner wall of the connecting sleeve 4, so that the ignited flame is sprayed out in a rotating mode, more air is sucked by the rotating flame to enter the rotating flame to participate in oxidation reaction under the double effects of the sucking action and the rotating action in the rotating flame, the flow rate of the air and the temperature of the flame are increased, and the garbage in the incinerator is guaranteed to be fully combusted.
Wherein, wind shields 107 are arranged in an array in the wind guide channel 104 near one end of the wind outlet pipe 103; the cross section of the wind deflector 107 is a V-shaped structure, so that the primary air in the second air ventilation cavity 102 is prevented from flowing into the wind guiding channel 104.
Wherein, the top of the preheating box 106 is communicated with an oil inlet pipe 108; a filter 10 is communicated between the circulating pump 8 and the oil guide pipe 9 on one side of the preheating tank 106 for filtering impurities in the fuel oil and avoiding the blockage of the atomizing nozzle 5.
Wherein, the top of the shell 1 is provided with an ignition transformer 11; the connection end of the ignition transformer 11 is electrically connected with the ignition electrode 6 through a lead.
Wherein, the casing 1 both sides just are located first ventilation chamber 101 and second ventilation chamber 102 and keep away from servo motor 3 one end and all are equipped with air inlet grid 109.
One specific application of this embodiment is: when the high-temperature fuel oil atomizing device is used, the impeller 2 in the second ventilation cavity 101 rotates under the action of the servo motor 3, so that air is directly guided into the air outlet pipe 103 through the air inlet grid, the fuel oil is guided into the preheating box 106 from the oil inlet pipe 108, the heating resistor 7 at the bottom in the preheating box 106 heats the low-temperature fuel oil to raise the temperature, the high-temperature fuel oil is guided into the atomizing nozzle 5 through the oil guide pipe 9 under the action of the circulating pump 8, impurities in the high-temperature fuel oil are filtered under the action of the filter 10 when the high-temperature fuel oil passes through the oil guide pipe 9, the atomizing nozzle 5 is prevented from being blocked, the high-temperature fuel oil is atomized and sprayed under the action of the atomizing nozzle 5, the ignition electrode is converted into light energy and heat energy through an arc discharge mode to ignite the fuel oil, the impeller 2 in the first ventilation cavity 102 enables the air to enter the air outlet pipe 103 through the air guide channel 104 under the action of the servo motor 3, the air led into the air outlet pipe 103 through the air guide channel 104 flows along the inner wall of the air outlet pipe 103, the ignited flame is sprayed in a rotating mode under the guiding effect of the spiral blades 402 on the inner wall of the connecting sleeve 4, more air is sucked by the rotating flame to enter the rotating flame to participate in oxidation reaction under the double effects of the sucking effect and the rotating effect in the rotating flame, the flow rate of the air and the temperature of the flame are increased, the garbage in the incinerator is guaranteed to be fully combusted, and the garbage combustion efficiency in the incinerator is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a waste incinerator combustor control system, includes casing (1), its characterized in that:
a first ventilation cavity (101) and a second ventilation cavity (102) are arranged in the shell (1); impellers (2) are rotatably connected between the two side surfaces in the first ventilation cavity (101) and the second ventilation cavity (102); servo motors (3) which are mutually connected with the two impellers (2) are respectively fixed on the two sides of the shell (1) through bolts; an air outlet pipe (103) communicated with the second ventilation cavity (102) is arranged at one end of the shell (1); the peripheral side surface of the bottom end of the air outlet pipe (103) is provided with an air guide channel (104) communicated with the first ventilation cavity (101);
one end of the air outlet pipe (103) far away from the shell (1) is connected with a connecting sleeve (4) in a threaded manner;
an installation frame (105) is arranged inside the air outlet pipe (103); the air outlet pipe (103) is fixedly provided with an atomizing nozzle (5) through a mounting rack (105); an ignition electrode (6) is fixed on the peripheral side surface of the air outlet pipe (103); the end part of the ignition electrode (6) extends into the air outlet pipe (103);
a preheating box (106) is arranged at the top of the shell (1); a heating resistor (7) and a circulating pump (8) are arranged at the bottom in the preheating tank (106); the liquid outlet end of the circulating pump (8) is communicated with an oil guide pipe (9); the other end of the oil guide pipe (9) is communicated with the atomizing nozzle (5).
2. A waste incinerator burner control system according to claim 1 characterized by that, the impeller (2) includes a shaft (201) interconnecting with the rotating shaft end of the servo motor (3); the peripheral side surfaces of two ends of the shaft lever (201) are respectively provided with a connecting frame (202); limiting end rings (203) are fixed at the end parts of the two connecting frames (202); and fan blades (204) are arranged between the opposite surfaces of the two limiting end rings (203) in an annular array.
3. The waste incinerator burner control system according to claim 1, characterized in that the connection sleeve (4) is arranged in a trumpet-shaped structure; the circumferential side surface of the open end of the connecting sleeve (4) is provided with internal threads (401) which are communicated with the end parts of the air outlet pipes (103); and a helical blade (402) is arranged between the two ends of the inner wall of the connecting sleeve (4).
4. The waste incinerator burner control system as claimed in claim 1, characterized in that wind deflectors (107) are arranged in an internal array at one end of the wind guide channel (104) close to the wind outlet pipe (103); the cross section of the wind deflector (107) is of a V-shaped structure.
5. The waste incinerator burner control system of claim 1, characterized in that the top of the preheating chamber (106) is connected with an oil inlet pipe (108); and a filter (10) is communicated between the circulating pump (8) and the oil guide pipe (9) on one side of the preheating tank (106).
6. A burner control system for a waste incinerator according to claim 1 characterized in that the top of the housing (1) is provided with ignition transformer (11); and the connecting end of the ignition transformer (11) is electrically connected with the ignition electrode (6) through a lead.
7. The waste incinerator burner control system according to claim 1, characterized in that air inlet grids (109) are arranged on both sides of the housing (1) and at ends of the first ventilation chamber (101) and the second ventilation chamber (102) away from the servo motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885173.1A CN112050225A (en) | 2020-08-28 | 2020-08-28 | Garbage incinerator burner control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885173.1A CN112050225A (en) | 2020-08-28 | 2020-08-28 | Garbage incinerator burner control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112050225A true CN112050225A (en) | 2020-12-08 |
Family
ID=73607922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010885173.1A Pending CN112050225A (en) | 2020-08-28 | 2020-08-28 | Garbage incinerator burner control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112050225A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228361A (en) * | 2017-07-06 | 2017-10-03 | 浙江明新能源科技有限公司 | Burner aids in preheating mechanism and burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140470Y (en) * | 1992-11-23 | 1993-08-18 | 孙昌楷 | High speed heavy oil burner |
| US20060127831A1 (en) * | 2004-12-13 | 2006-06-15 | Kagi Thomas Sr | Waste oil multi-fuel fired burner |
| CN101240895A (en) * | 2007-02-06 | 2008-08-13 | 上海凌云瑞升燃烧设备有限公司 | Biomass fuel oil combusting device atomized oil gun |
| CN202581307U (en) * | 2012-06-04 | 2012-12-05 | 清远市精旺环保设备有限公司 | High-efficiency energy-saving oil fuel burner |
| CN209445351U (en) * | 2018-12-28 | 2019-09-27 | 西安交大思源科技股份有限公司 | A kind of low nitrogen coal burner of adjustable swirl blade |
| CN209524510U (en) * | 2019-01-09 | 2019-10-22 | 青城有限公司 | A kind of pre-heated spiral flame flame gun |
-
2020
- 2020-08-28 CN CN202010885173.1A patent/CN112050225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140470Y (en) * | 1992-11-23 | 1993-08-18 | 孙昌楷 | High speed heavy oil burner |
| US20060127831A1 (en) * | 2004-12-13 | 2006-06-15 | Kagi Thomas Sr | Waste oil multi-fuel fired burner |
| CN101240895A (en) * | 2007-02-06 | 2008-08-13 | 上海凌云瑞升燃烧设备有限公司 | Biomass fuel oil combusting device atomized oil gun |
| CN202581307U (en) * | 2012-06-04 | 2012-12-05 | 清远市精旺环保设备有限公司 | High-efficiency energy-saving oil fuel burner |
| CN209445351U (en) * | 2018-12-28 | 2019-09-27 | 西安交大思源科技股份有限公司 | A kind of low nitrogen coal burner of adjustable swirl blade |
| CN209524510U (en) * | 2019-01-09 | 2019-10-22 | 青城有限公司 | A kind of pre-heated spiral flame flame gun |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228361A (en) * | 2017-07-06 | 2017-10-03 | 浙江明新能源科技有限公司 | Burner aids in preheating mechanism and burner |
| CN107228361B (en) * | 2017-07-06 | 2024-03-22 | 浙江明新能源科技有限公司 | Auxiliary preheating mechanism of burner and combustion device |
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| PB01 | Publication | ||
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Application publication date: 20201208 |
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| RJ01 | Rejection of invention patent application after publication |