CN104595888A - Device for co-combusting oil-based fuels and alcohol-based fuels - Google Patents
Device for co-combusting oil-based fuels and alcohol-based fuels Download PDFInfo
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- CN104595888A CN104595888A CN201510040206.1A CN201510040206A CN104595888A CN 104595888 A CN104595888 A CN 104595888A CN 201510040206 A CN201510040206 A CN 201510040206A CN 104595888 A CN104595888 A CN 104595888A
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- based fuel
- oil
- alcohol
- air
- combustor
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 188
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000002485 combustion reaction Methods 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000008016 vaporization Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 70
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000000295 fuel oil Substances 0.000 description 9
- 238000009834 vaporization Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a device for co-combusting oil-based fuels and alcohol-based fuels. The device comprises an oil-based fuel conveying system, an alcohol-based fuel conveying system, an air feeding system, an ignition system, a combustion engine, a monitoring system and an electrical control system, wherein the oil-based fuel conveying system is positioned at one side of the combustion engine and used for providing oil-based fuels to the combustion engine; the alcohol-based fuel conveying system is positioned at the other side of the combustion engine and used for providing alcohol-based fuels to the combustion engine; the air feeding system is positioned between the oil-based fuel conveying system and the alcohol-based fuel conveying system for feeding air with predetermined air speed and air quantity to the combustion engine; the ignition system is used for providing a fire source to the combustion engine; the combustion engine is used for mixing the fuels with air for combusting, and spitting flames; the monitoring system is used for acquiring the flame state data, the pressure state data and/or the temperature state data, and providing the data to the electrical control system; the electrical control system is used for controlling the oil-based fuel conveying system or/and the alcohol-based fuel conveying system and the air feeding system to coordinately work according to the flame state data, the pressure state data and/or the temperature state data acquired by the monitoring system. The device can independently combust the oil-based or alcohol-based fuels, and also can combust the oil-based fuels and the alcohol-based fuels simultaneously.
Description
Technical Field
The invention relates to a device for co-combusting oil-based fuel and alcohol-based fuel. Particularly, the fuel oil and the methanol are used as fuels, which is beneficial to the complementation of the quality of the two fuels, reduces the operation cost and reduces the environmental pollution. And the combustion device can ensure the long-term safe operation of the equipment and the sufficient combustion of the fuel.
Background
The conventional light oil burner used in the current market has high cost of fuel oil, low heat conversion rate and incomplete combustion; the waste gas in the gas emission causes pollution to the environment. The pure methanol burner also has certain defects, and the combustion heat value of the methanol is low. The advantages are rich methanol source, low cost, high conversion rate of oxygen-containing heat in molecule, less waste gas discharge and no pollution. Therefore, it is necessary to develop a new burner to complement the advantages and disadvantages of two fuels. The combustion device can reduce the cost, reduce the environmental pollution and realize long-term safe operation and sufficient combustion of fuel.
Disclosure of Invention
In order to overcome the problems, the invention provides a device for co-combusting oil-based fuel and alcohol-based fuel, which can exert the advantages of the two fuels as much as possible, overcome the defects of independent combustion of the two fuels, supplement each other, fully combust, work stably, be beneficial to long-term safe operation and reduce the use cost of the fuel and is more environment-friendly.
The technical scheme of the invention is as follows: the device for co-combustion of the oil-based fuel and the alcohol-based fuel comprises an oil-based fuel conveying system, an alcohol-based fuel conveying system, an air supply system, an ignition system, a combustor, a monitoring system and an electrical control system; wherein,
the oil-based fuel delivery system is positioned at one side of the combustion machine and is used for providing oil-based fuel for the combustion machine;
the alcohol-based fuel conveying system is positioned on the other side of the combustor and used for providing alcohol-based fuel for the combustor;
the air supply system is positioned between the oil-based fuel conveying system and the alcohol-based fuel conveying system and is used for supplying air with preset air speed and air quantity to the combustor;
the ignition system comprises an ignition transformer and an ignition electrode, wherein the ignition electrode is positioned in the combustor, and the ignition transformer and the ignition electrode are connected through a high-voltage cable to provide a fire source for the combustor;
the combustor burns fuel and air after mixing and spits out flame;
the monitoring system comprises a flame monitor, a pressure monitor and/or a temperature monitor, and is used for acquiring flame state data, pressure state data and/or temperature state data and providing the flame state data, the pressure state data and/or the temperature state data to the electrical control system;
the electric control system comprises a program controller and peripheral elements thereof, and is used for controlling the oil-based fuel delivery system or/and the alcohol-based fuel delivery system and the air supply system to work in coordination according to flame state data, pressure state data and/or temperature state data acquired by the monitoring system.
The combustor comprises a cylinder body, one end of the cylinder body is provided with an opening, the other end of the cylinder body is provided with a connecting disc, an arc-shaped bottom is arranged in the cylinder body to divide an inner cavity of the cylinder body into a left part and a right part, an oil-based combustor with the outer diameter smaller than the inner diameter of the cylinder body is arranged in the center of the arc-shaped bottom and penetrates through the arc-shaped bottom, and the right part of the oil-based combustor is divided into an alcohol-based fuel vaporizing chamber, an oil-based fuel combustion chamber and an alcohol-based fuel; the oil-based combustor is provided with a cyclone groove disc for differentiating air, an oil-based fuel nozzle and an ignition electrode which penetrate through the cyclone groove disc, and the front end of the oil-based fuel nozzle is provided with an oil-based fuel flame stabilizing disc; and at least two alcohol-based fuel nozzles penetrating through the arc-shaped bottom are arranged on the oil-based combustor.
The air supply system comprises a fan, an air gun fire tube, an air door controller and an air door control plate, wherein the air gun fire tube is connected with an air outlet on the fan, the air gun fire tube is internally provided with the air door control plate for controlling air quantity or air speed, and the air door control plate is controlled by the air door controller.
As an improvement to the present invention, the oil-based fuel delivery system includes an oil-based fuel pump and an oil-based fuel delivery pipe in which an oil-based fuel electromagnetic valve controlled by the electrical control system is provided, and an outlet end of the oil-based fuel delivery pipe is connected to the oil-based fuel nozzle.
As an improvement of the invention, the alcohol-based fuel delivery system comprises an alcohol-based fuel pump and an alcohol-based fuel delivery pipe, an alcohol-based fuel electromagnetic valve controlled by the electric control system is arranged in the alcohol-based fuel delivery pipe, and the outlet end of the alcohol-based fuel delivery pipe is connected with an alcohol-based fuel nozzle.
The invention can exert the advantages of the oil-based fuel and the alcohol-based fuel as much as possible, overcomes the defects of independent combustion of the oil-based fuel and the alcohol-based fuel, supplements each other, fully combusts, works stably, is beneficial to long-term safe operation and reduces the use cost of the fuel, and has the advantage of more environment-friendly co-combustion of the oil-based fuel and the alcohol-based fuel.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the burner of fig. 1.
Fig. 3 is a schematic side view of a-a in fig. 2.
Detailed Description
The structure of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, fig. 1 to 3 disclose an apparatus for co-combusting an oil-based fuel and an alcohol-based fuel, which includes an oil-based fuel delivery system 1, an alcohol-based fuel delivery system 2, an air supply system 3, an ignition system 4, a combustion engine 5, a monitoring system 6 and an electrical control system 7; wherein,
the oil-based fuel delivery system 1, located at one side of the burner 5, for supplying the oil-based fuel to the burner 5; the oil-based fuel delivery system 1 includes an oil-based fuel pump 11 and an oil-based fuel delivery pipe 12, an oil-based fuel electromagnetic valve 13 controlled by the electric control system 7 is provided in the oil-based fuel delivery pipe 12, and the outlet end of the oil-based fuel delivery pipe 12 is connected to an oil-based fuel nozzle 562; the oil-based fuel enters the oil-based fuel pump 11 from the oil-based bunker 14 after passing through the oil-based filter 15, a first oil-based manual valve 16 may be provided at the oil-based filter 15 and the oil-based fuel pump 11 for convenience of adjustment and control, and a plurality of oil-based parameter tables 17 may be provided at the oil-based fuel delivery pipe 12 for detection of various oil-based parameters of the oil-based fuel delivery pipe 12.
The alcohol-based fuel delivery system 2 is positioned on the other side of the combustor 5 and is used for providing alcohol-based fuel for the combustor 5; alcohol-based fuel enters alcohol-based fuel pump 21 from alcohol-based fuel storage hopper 24 after passing through alcohol-based filter 25, and for the regulation and control convenience, can set up a first alcohol-based manual valve 26 at alcohol-based filter 25 and alcohol-based fuel pump 21, and for detecting various parameters of alcohol-based fuel delivery pipe 22, can set up a plurality of alcohol-based parameter tables 27 on alcohol-based fuel delivery pipe 12.
The air supply system 3 is positioned between the oil-based fuel conveying system 1 and the alcohol-based fuel conveying system 2, and is used for supplying air with preset air speed and air volume to the combustor 5, the air speed is displayed by an air speed gauge 35, and the pressure is displayed by a pressure gauge;
the ignition system 4 comprises an ignition transformer and an ignition electrode, the ignition electrode is positioned in the combustor 5, and the ignition transformer and the ignition electrode are connected through a high-voltage cable to provide a fire source for the combustor 5;
the combustor 5 is used for mixing fuel and air and then combusting the mixture, and spitting out flame;
the monitoring system 6 comprises a flame monitor, a pressure monitor and/or a temperature monitor, and is used for acquiring flame state data, pressure state data and/or temperature state data of a heated device 8 (which can be a boiler or a furnace channel and the like) and providing the flame state data, the pressure state data and/or the temperature state data to the electrical control system 7;
and the electric control system 7 comprises a program controller and peripheral elements thereof, and is used for controlling the oil-based fuel delivery system 1 or/and the alcohol-based fuel delivery system 2 and the air supply system 3 to work in coordination according to the flame state data, the pressure state data and/or the temperature state data acquired by the monitoring system 6. The monitoring system 6 and the electrical control system 7 can be selected appropriately according to actual conditions, and are not described in detail herein.
In the invention, the burner 5 comprises a cylinder 50 with an opening 51 at one end and a connecting disc 52 at the other end, an arc bottom 53 is arranged in the cylinder to divide the inner cavity of the cylinder into a left part 54 and a right part 55, an oil-based burner 56 with the outer diameter smaller than the inner diameter of the cylinder 50 is arranged in the center of the arc bottom 53 and penetrates through the arc bottom 53, and the right part 55 is divided into an alcohol-based fuel vaporizing chamber 541, an oil-based fuel combustion chamber 542 and an alcohol-based fuel combustion chamber 543 by the oil-based burner 56; the oil-based burner 56 is provided with a cyclone fluted disc 561 for dividing air, an oil-based fuel nozzle 562 and an ignition electrode 563 which penetrate through the cyclone fluted disc 561, and the front end of the oil-based fuel nozzle 562 is provided with an oil-based fuel flame stabilizing disc 564; at least two alcohol-based fuel nozzles 57 (3 are shown in fig. 3, and indeed more than two are possible) are provided through the arcuate bottom 53 at the oil-based burner 56. The combustor 5 can burn either an oil-based fuel alone or an alcohol-based fuel alone, or both. The problem that the traditional combustor can only burn single fuel is solved.
In the present invention, the air supply system 3 includes a fan 31, an air gun fire tube 32, an air door controller 33 and an air door control board 34, the air gun fire tube 32 is connected to an air outlet of the fan 31, the air door control board 34 for controlling an air volume or an air speed is disposed in the air gun fire tube 32, and the air door control board 34 is controlled by the air door controller 33.
In the present invention, the alcohol-based fuel delivery system 2 includes an alcohol-based fuel pump 21 and an alcohol-based fuel delivery pipe 22, the alcohol-based fuel delivery pipe 22 is provided with an alcohol-based fuel solenoid valve 23 that is controlled by the electrical control system 7, and an outlet end of the alcohol-based fuel delivery pipe 22 is connected to an alcohol-based fuel nozzle 57.
When the alcohol-based fuel atomizing device is used, alcohol-based fuel is atomized at high pressure through an alcohol-based fuel pipeline system (comprising an alcohol-based fuel special pump, an alcohol-based fuel special quick-closing valve, an alcohol-based fuel pressure regulating valve and an alcohol-based fuel atomizing nozzle) and sprayed into an alcohol-based fuel vaporizing chamber. The fuel oil is atomized into the fuel oil combustion chamber at high pressure through the fuel oil pipeline system (comprising an oil pump, a fuel quick-closing valve, a return oil pressure regulating valve and a fuel oil atomizing nozzle), and the oil mist entering the fuel oil combustion chamber is ignited through the ignition system (comprising an ignition transformer, a high-pressure circuit and an ignition electrode). The sprayed oil is burnt to release heat, and simultaneously the temperature of the alcohol-based fuel vaporization chamber is heated to be more than 300 ℃, so that the sprayed alcohol-based fuel is rapidly vaporized in the vaporization chamber and enters the combustion chamber to be rapidly combusted by contacting with the flame of the fuel.
When the device works, oil fuel is pressurized by the oil pump and then provides high-pressure oil to the oil conveying pipeline system, the oil fuel is atomized and sprayed into the fuel oil combustion chamber through the fuel oil nozzle, and the atomized oil fuel is mixed with air fed by the combustion-supporting air duct and is ignited and combusted through the ignition system.
After the alcohol-based fuel is ignited normally and stably for 5 minutes, the temperature of the vaporization chamber of the alcohol-based fuel reaches more than 300 ℃, the alcohol-based fuel pump is started, the electromagnetic valve of the alcohol-based fuel is opened simultaneously, the special pump for the alcohol-based fuel is pressurized and then provides more than 18bar pressure, the pressure is sprayed into the vaporization chamber through the alcohol-based fuel atomizing nozzle, the vaporization chamber is rapidly vaporized at more than 300 ℃, the vaporized fuel enters the combustion chamber and meets with fuel flame to be rapidly combusted, and meanwhile, the air door is driven by the servo motor. And the feeding amount of the alcohol-based fuel is properly adjusted according to the air pressure and the combustion condition of the hearth, so that the purpose of stable and efficient combustion is achieved. In addition, the whole combustion process, a flame detector and an air pressure switch are used for monitoring the combustion machine.
When the combustion engine is closed, the alcohol-based fuel feeding system is closed, and the fuel combustion system is closed after 5 minutes.
Claims (5)
1. The utility model provides a device that oil base fuel and alcohol base fuel were burnt jointly which characterized in that: the device comprises an oil-based fuel conveying system (1), an alcohol-based fuel conveying system (2), an air supply system (3), an ignition system (4), a combustor (5), a monitoring system (6) and an electrical control system (7); wherein,
the oil-based fuel delivery system (1) is positioned at one side of the combustor (5) and is used for providing oil-based fuel for the combustor (5);
the alcohol-based fuel delivery system (2) is positioned at the other side of the combustor (5) and is used for providing alcohol-based fuel for the combustor (5);
the air supply system (3) is positioned between the oil-based fuel conveying system (1) and the alcohol-based fuel conveying system (2) and is used for supplying air with preset air speed and air quantity to the combustor (5);
the ignition system (4) comprises an ignition transformer and an ignition electrode, the ignition electrode is positioned in the combustor (5), and the ignition transformer and the ignition electrode are connected through a high-voltage cable to provide a fire source for the combustor (5);
the combustor (5) is used for mixing fuel and air and then combusting the mixture, and spitting out flame;
the monitoring system (6) comprises a flame monitor, a pressure monitor and/or a temperature monitor, and is used for acquiring flame state data, pressure state data and/or temperature state data and providing the flame state data, the pressure state data and/or the temperature state data to the electrical control system (7);
the electric control system (7) comprises a program controller and peripheral elements thereof, and is used for controlling the oil-based fuel delivery system (1) or/and the alcohol-based fuel delivery system (2) and the air supply system (3) to work in coordination according to the flame state data, the pressure state data and/or the temperature state data acquired by the monitoring system (6).
2. The apparatus for co-combusting an oil-based fuel and an alcohol-based fuel as claimed in claim 1, wherein: the combustor (5) comprises a cylinder (50) with an opening (51) at one end and a connecting disc (52) at the other end, an arc-shaped bottom (53) is arranged in the cylinder to divide the inner cavity of the cylinder into a left part and a right part (54 and 55), an oil-based combustor (56) with the outer diameter smaller than the inner diameter of the cylinder (50) is arranged in the center of the arc-shaped bottom (53) through the arc-shaped bottom (53), and the right part (55) is divided into an alcohol-based fuel vaporizing chamber (541), an oil-based fuel combustion chamber (542) and an alcohol-based fuel combustion chamber (543) by the oil-based combustor (56); the oil-based burner (56) is provided with a cyclone fluted disc (561) for dividing air, an oil-based fuel nozzle (562) and an ignition electrode (563) which penetrate through the cyclone fluted disc (561), and the front end of the oil-based fuel nozzle (562) is provided with an oil-based fuel flame stabilizing disc (564); at least two alcohol-based fuel nozzles (57) are provided through the arcuate floor (53) at the oil-based burner (56).
3. The device for co-combusting an oil-based fuel and an alcohol-based fuel according to claim 1 or 2, wherein: the air supply system (3) comprises a fan (31), an air gun fire tube (32), an air door controller (33) and an air door control plate (34), the air gun fire tube (32) is connected with an air outlet in the fan (31), the air door control plate (34) used for controlling air quantity or air speed is arranged in the air gun fire tube (32), and the air door control plate (34) is controlled by the air door controller (33).
4. The device for co-combusting an oil-based fuel and an alcohol-based fuel according to claim 1 or 2, wherein: the oil-based fuel delivery system (1) comprises an oil-based fuel pump (11) and an oil-based fuel delivery pipe (12), an oil-based fuel electromagnetic valve (13) controlled by the electric control system (7) is arranged in the oil-based fuel delivery pipe (12), and the outlet end of the oil-based fuel delivery pipe (12) is connected with an oil-based fuel nozzle (562).
5. The apparatus for co-combusting an oil-based fuel and an alcohol-based fuel as claimed in claim 1, wherein: the alcohol-based fuel delivery system (2) comprises an alcohol-based fuel pump (21) and an alcohol-based fuel delivery pipe (22), an alcohol-based fuel electromagnetic valve (23) controlled by the electric control system (7) is arranged in the alcohol-based fuel delivery pipe (22), and the outlet end of the alcohol-based fuel delivery pipe (22) is connected with an alcohol-based fuel nozzle (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040206.1A CN104595888B (en) | 2015-01-27 | 2015-01-27 | The device of oil-based fuel and alcohol-group fuel co-fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040206.1A CN104595888B (en) | 2015-01-27 | 2015-01-27 | The device of oil-based fuel and alcohol-group fuel co-fire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595888A true CN104595888A (en) | 2015-05-06 |
| CN104595888B CN104595888B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510040206.1A Expired - Fee Related CN104595888B (en) | 2015-01-27 | 2015-01-27 | The device of oil-based fuel and alcohol-group fuel co-fire |
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| Country | Link |
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| CN (1) | CN104595888B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114550A (en) * | 2018-08-27 | 2019-01-01 | 三汽车制造有限公司 | Burner, combustion system and bituminous mixing plant |
| CN109268832A (en) * | 2018-11-04 | 2019-01-25 | 东华理工大学 | A kind of combustion method and device of the burning of natural gas starting alcohol radical combusting vaporization and realization vigorous fire |
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| FR2375546A1 (en) * | 1976-12-22 | 1978-07-21 | Jaulois Robert | Dual fuel industrial burner - has tubular piston with liquid inlet and gas inlet in body |
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| CN200958751Y (en) * | 2006-01-05 | 2007-10-10 | 刘恒孝 | Multi-fuel gasified automatically-controlled burner |
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| CN102506427A (en) * | 2011-11-10 | 2012-06-20 | 厦门鑫烨盛能源科技有限公司 | Dual-fuel combustor for kitchen |
| CN103672945A (en) * | 2012-09-04 | 2014-03-26 | 重庆思微新能源有限公司 | Dual-fuel supply control system |
| CN204005980U (en) * | 2014-08-25 | 2014-12-10 | 刘恒孝 | Automatic control methyl alcohol, light hydrocarbon combustion machine are for oil combustion device |
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2015
- 2015-01-27 CN CN201510040206.1A patent/CN104595888B/en not_active Expired - Fee Related
Patent Citations (10)
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|---|---|---|---|---|
| FR2296821B1 (en) * | 1975-01-03 | 1979-08-24 | Fruchard Georges | |
| FR2375546A1 (en) * | 1976-12-22 | 1978-07-21 | Jaulois Robert | Dual fuel industrial burner - has tubular piston with liquid inlet and gas inlet in body |
| CN2869624Y (en) * | 2005-12-21 | 2007-02-14 | 刘端肃 | Liquid, gas multi-fuel range controlled by microcomputer |
| CN200958751Y (en) * | 2006-01-05 | 2007-10-10 | 刘恒孝 | Multi-fuel gasified automatically-controlled burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114550A (en) * | 2018-08-27 | 2019-01-01 | 三汽车制造有限公司 | Burner, combustion system and bituminous mixing plant |
| CN109268832A (en) * | 2018-11-04 | 2019-01-25 | 东华理工大学 | A kind of combustion method and device of the burning of natural gas starting alcohol radical combusting vaporization and realization vigorous fire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104595888B (en) | 2015-09-09 |
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Effective date of registration: 20160418 Address after: 518000 Guangdong city of Shenzhen province Luohu District Garden Street No. 5016 Shennan East Road, Kingkey one hundred building A building 5001-03 unit Patentee after: Shenzhen GUI Source Energy Ltd. Address before: Shenzhen City, Guangdong province Futian District 518000 Road four, Ferndean Nga Court A block 26P Patentee before: Song Guizhong |
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Granted publication date: 20150909 |
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