CN204042898U - Gas burner - Google Patents
Gas burner Download PDFInfo
- Publication number
- CN204042898U CN204042898U CN201420483402.7U CN201420483402U CN204042898U CN 204042898 U CN204042898 U CN 204042898U CN 201420483402 U CN201420483402 U CN 201420483402U CN 204042898 U CN204042898 U CN 204042898U
- Authority
- CN
- China
- Prior art keywords
- air
- gas
- piping
- coal
- casing
- 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.)
- Active
Links
Landscapes
- Air Supply (AREA)
Abstract
A kind of burner, particularly relates to " coal changes gas " gas burner of a kind of a kind of burn coke-stove gas or producer gas be used on improved coal-burning boiler.Its casing bottom is air inlet, and air inlet is provided with louver, and casing front portion is combustion head, and combustion head is provided with mounting flange, and casing internal has end plates, end plates is welded multiple primary air piping, and primary air piping head is equipped with flow-disturbing ring; Air jet system top is provided with the air inlet mouth of pipe be connected with plenum chamber, and plenum chamber front portion welding many air jet pipes, air jet pipe extend in primary air piping.Because the utility model is provided with secondary louver, streams ring, the flame dispersion of generation, flame rigidity is little, flame intensity is low, First air air quantity is few, mixes in advance with combustion gas, by the disturbance of flow-disturbing ring, define strong turbulent flow, after ejection primary air piping, fully mix again with Secondary Air, burning completely, the thermal efficiency is high, especially adapts to " coal changes gas " project of coal-burning boiler.
Description
Technical field
The utility model relates to a kind of burner, particularly relates to " coal changes gas " gas burner of a kind of a kind of burn coke-stove gas or producer gas be used on improved coal-burning boiler.
Background technology
At present, the situation is tense in In The Atmosphere Over China pollution, becomes increasingly conspicuous with the regional atmospheric environment problem that pellet (PM10), fine particle (PM2.5) are characteristic contamination, and infringement body health of people affects social harmony and stablizes.Along with the deep propelling of Chinese Industrialization, urbanization, energy consumption continues to increase, and prevention and control of air pollution pressure continues to strengthen.For conscientiously improving air quality, country formulated " prevention and control of air pollution action plan " in 2013, strengthened industrial enterprise's atmosphere pollution comprehensive regulation.The coal-fired arcola of comprehensive regulation, accelerate to advance central heating, " coal changes gas ", " coal changes electricity " engineering construction, by 2017, except necessary reservation, region and above completed region of the city are substantially eliminated per hour 10 and are steamed ton and following coal-burning boiler, forbid the coal-burning boiler of below newly-built 20 steaming tons per hour; Coal-burning boiler below tons no longer newly-built per hour 10 is steamed in principle in other areas.In the area that heat supply gas transmission pipeline net work can not cover, use electricity, new forms of energy or Filter Tuber For Clean Coal instead, apply high-efficient energy-saving environment protection boiler.In Industrial agglomeration districts such as chemical industry, papermaking, printing and dyeing, process hides, pharmacy, progressively eliminate dispersion coal-burning boiler by concentrated construction cogeneration units.Therefore, focus is become to the transformation of coal-burning boiler, but existing " coal changes gas " burner does not mate with the coal-burning boiler type of furnace, seriously constrain central heating, " coal changes gas ", " coal changes electricity " engineering construction, a kind of gas burner adapting to coal-burning boiler is ready to appear for this reason.
Utility model content
The utility model is the problem for existing coal-burning boiler contaminated environment, for existing " coal changes gas " burner and the unmatched deficiency of the coal-burning boiler type of furnace, provide that a kind of thermal efficiency is high, safety and environmental protection, simple for structure, the gas burner that adapts to the existing type of furnace of coal-burning boiler.
The technical scheme realizing above-mentioned purpose employing is: a kind of gas burner, comprise casing, air jet system, described casing bottom is air inlet, air inlet is provided with louver, casing front portion is combustion head, and combustion head is provided with mounting flange, and casing internal has end plates, end plates is welded multiple primary air piping, primary air piping head is equipped with flow-disturbing ring; Described air jet system top is provided with the air inlet mouth of pipe, and the air inlet mouth of pipe is connected with plenum chamber, and plenum chamber front portion welding many air jet pipes, wherein air jet pipe extend in primary air piping.
Preferably, described louver is the manual louver of two-stage, is First air adjusting device and secondary air regulation device respectively.
Preferably, the flow-disturbing ring distance primary air piping end 45-60mm of described primary air piping inside.
Preferably, the end distance flow-disturbing ring 15-30mm of described air jet pipe.
Preferably, described air jet pipe is positioned at primary air piping inside.
Adopt technique scheme, compared with existing " coal changes gas " burner, due to vibrational power flow of the present utility model, particularly secondary louver, stream the setting of ring, the combustion type of the flame profile simulation coal fire produced, flame disperses, and flame rigidity is little, the length of flame is no more than 1500mm, is short fire design.In transformation process, remove coal bunker, burner is arranged on boiler front wall, and is positioned at the below of face arch, the length of flame can not exceed the upper edge of face arch, and after flame runs into turning back of rear arch, scatter downwards, tiling furnace bottom, now heat smoke is just uniform flows to top, be full of the burner hearth be made up of membrane wall, carry out radiation heat transfer, then heat convection is carried out in the convection bank entering boiler rear portion.The utility model flame intensity is low, and First air air quantity is few, mixes in advance with combustion gas, by the disturbance of flow-disturbing ring, define strong turbulent flow, after ejection primary air piping, fully mix with Secondary Air again, completely, the thermal efficiency is high in burning, especially adapts to " coal changes gas " project of coal-burning boiler.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the sectional view at the utility model combustion head position.
In figure: the air inlet mouth of pipe 1, plenum chamber 2, air jet pipe 3, casing 4, end plates 5, primary air piping 6, mounting flange 7, flow-disturbing ring 8, combustion head 9, sees fire tube 10, igniter burner 11, air inlet 12, First air adjusting device 13, secondary air regulation device 14.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
The present embodiment is a kind of " coal changes gas " gas burner, and this gas burner, is made up of casing 4 and air jet system, is that for improved coal-burning boiler, its structure is shown in accompanying drawing 1-2 with coke-stove gas or producer gas for fuel.
See accompanying drawing 1, air jet system is made up of the air inlet mouth of pipe 1, plenum chamber 2 and air jet pipe 3, and the air inlet mouth of pipe 1 is positioned at the top of air jet system, is connected with plenum chamber 2.Plenum chamber front portion welding many air jet pipes 3, air jet pipe 3 will stretch into the primary air piping 6 on casing.Air jet system is also furnished with four sight fire tubes, 10, two igniter burners 11.
Cabinet parts is made up of casing 4, end plates 5, many primary air piping 6, mounting flange 7, combustion head 9 and air inlets 12
.the front portion of casing 4 is combustion head 9, and combustion head 9 is provided with mounting flange 7, and there is end plates 5 casing 4 inside, end plates 5 is welded multiple primary air piping 6, and primary air piping 6 head is equipped with flow-disturbing ring 8.Air inlet 12 is positioned at the bottom of casing 4, air inlet 12 is divided into two passages by end plates 5, wherein be furnished with First air adjusting device 13 in First air passage, be furnished with secondary air regulation device 14 in secondary air channel, First air adjusting device 13 and secondary air regulation device 14 form the manual louver of two-stage.Primary air piping 6 communicates with First air passage, secondary air channel.Secondary air channel is made up of primary air piping 6 and combustion head 9.By regulating First air adjusting device 13, appropriate First air being sent in primary air piping 6, by regulating secondary air regulation device 14, appropriate Secondary Air being sent in the secondary air channel be made up of primary air piping 6 and combustion head 9.
Air jet system and casing 4 are bolted, and during connection, it is inner that air jet pipe 3 stretches into primary air piping 6, and tail end distance flow-disturbing ring 8 20mm of air jet pipe 3, flow-disturbing ring 8 is arranged in the 50mm place of the end of primary air piping 6.
Operation principle of the present utility model is:
Coke-stove gas or producer gas enter in plenum chamber 2 via the air inlet mouth of pipe 1, then are transported to uniformly in many air jet pipes 3.Meanwhile, combustion air enters casing 4 via air inlet 12, and a part enters many primary air piping 6 by First air adjusting device 13, and another part enters secondary air channel by secondary air regulation device 14.
Combustion gas and First air carry out premix in primary air piping 6, mist after premix is when flow-disturbing ring 8, form turbulent flow, strengthen mixing, ignited by igniter burner 11 immediately after ejection primary air piping, form stable flame, because First air deficiency in draught is to support to burn completely, need to be furnished with enough Secondary Airs.And the channel space of Secondary Air is comparatively large, reduce the jet velocity of combustion air, therefore the integral rigidity of flame is little, and intensity is low.First air and Secondary Air are direct current wind, can not form strong flame zone, be equipped with the installation site of burner again, flame sprays via under face arch, after running into the turning back of rear arch, tile downwards furnace bottom, and then heat smoke just can upwards enter the burner hearth be made up of membrane wall, form the thermal field with coal combustion basic simlarity, be applicable to " coal changes gas " project of coal-burning boiler.
Be only specific embodiment of the utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of, all should drops within protection domain of the present utility model.
Claims (5)
1. a gas burner, comprise casing, air jet system, it is characterized in that, described casing bottom is air inlet, and air inlet is provided with louver, and casing front portion is combustion head, combustion head is provided with mounting flange, casing internal has end plates, end plates is welded multiple primary air piping, and primary air piping head is equipped with flow-disturbing ring; Described air jet system top is provided with the air inlet mouth of pipe, and the air inlet mouth of pipe is connected with plenum chamber, and plenum chamber front portion welding many air jet pipes, wherein air jet pipe will stretch into the primary air piping on casing.
2. gas burner according to claim 1, is characterized in that, described louver is the manual louver of two-stage, is First air adjusting device and secondary air regulation device respectively.
3. gas burner according to claim 1, is characterized in that, the flow-disturbing ring distance primary air piping end 45-60mm of described primary air piping inside.
4. gas burner according to claim 1, is characterized in that, the end distance flow-disturbing ring 15-30mm of described air jet pipe.
5. gas burner according to claim 1, is characterized in that, described air jet pipe is positioned at primary air piping inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483402.7U CN204042898U (en) | 2014-08-26 | 2014-08-26 | Gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483402.7U CN204042898U (en) | 2014-08-26 | 2014-08-26 | Gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042898U true CN204042898U (en) | 2014-12-24 |
Family
ID=52243556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483402.7U Active CN204042898U (en) | 2014-08-26 | 2014-08-26 | Gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042593A (en) * | 2015-08-27 | 2015-11-11 | 武汉奥杰科技股份有限公司 | Gas combustion system |
| CN109395995A (en) * | 2018-11-28 | 2019-03-01 | 鞍钢集团工程技术有限公司 | A kind of liquefied natural gas furnace drying device |
-
2014
- 2014-08-26 CN CN201420483402.7U patent/CN204042898U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042593A (en) * | 2015-08-27 | 2015-11-11 | 武汉奥杰科技股份有限公司 | Gas combustion system |
| CN109395995A (en) * | 2018-11-28 | 2019-03-01 | 鞍钢集团工程技术有限公司 | A kind of liquefied natural gas furnace drying device |
| CN109395995B (en) * | 2018-11-28 | 2021-11-09 | 鞍钢集团工程技术有限公司 | Liquefied natural gas baker device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103438437B (en) | A kind of adherent wind system of Opposite Firing Boiler | |
| CN106402905A (en) | Staged-combustion torch head device | |
| CN202734221U (en) | Vertical energy-saving environmental-protection boiler | |
| CN204042898U (en) | Gas burner | |
| CN203442823U (en) | Self-suction top-mounted round nitrogen oxide gas burner with low flame fuel staging | |
| CN204693805U (en) | A kind of energy-saving, emission-reducing, environment friendly boiler | |
| CN202561725U (en) | Energy-saving and environment-protection boiler | |
| CN202328226U (en) | Dedicated combustor for energy-saving and environment-friendly garbage incinerator | |
| CN205119800U (en) | Air classification formula low -nitrogen combustion tube heating furnace | |
| CN203671598U (en) | Atomization spray gun | |
| CN201083385Y (en) | Generating plant coal-fuelling boiler ignition and combustion supporting combusting device | |
| CN104006405A (en) | Ceramic kiln oxygen enrichment combustion supporting and energy saving device | |
| CN202371811U (en) | Warming device for modern cultivation | |
| CN105020703A (en) | Novel combustion device | |
| CN204358948U (en) | A kind of second-time burning heating stove | |
| CN204665255U (en) | Modified vertical coal-fired boiler | |
| CN104075324B (en) | A kind of biological fuel gas high efficient mixed combustion unit and mixed burning method thereof | |
| CN103759260B (en) | A kind of atomizing lance | |
| CN206522783U (en) | A kind of burner assembly of utilization Coanda effect | |
| CN206648287U (en) | A kind of energy-saving, environmental protection boiler of Utilizing Energy Sources in Reason | |
| CN201259223Y (en) | High-efficiency thermal gas burner | |
| CN104296539B (en) | A kind of Carbon electric calcining furnace tail gas waste heat utilizing device | |
| CN205245170U (en) | Four -channel gas oxygen -enriched combustor in gas cupola furnace | |
| CN205579553U (en) | Ultralow NOx coal burner | |
| CN205383658U (en) | Steam cauldron stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 064400, Hebei, Qian'an, Tangshan City by the eastern side of the five road (modern equipment manufacturing industry gathering area) Patentee after: TANGSHAN JINSHA COMBUSTION HEAT ENERGY CO.,LTD. Address before: 064400, Hebei, Qian'an, Tangshan City by the eastern side of the five road (modern equipment manufacturing industry gathering area) Patentee before: TANGSHAN GOLD SAND COMBUSTION ENERGY TECHNOLOGY CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gas burner Effective date of registration: 20210624 Granted publication date: 20141224 Pledgee: Bank of China Limited Qian'an Branch Pledgor: TANGSHAN JINSHA COMBUSTION HEAT ENERGY Co.,Ltd. Registration number: Y2021990000552 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221111 Granted publication date: 20141224 Pledgee: Bank of China Limited Qian'an Branch Pledgor: TANGSHAN JINSHA COMBUSTION HEAT ENERGY CO.,LTD. Registration number: Y2021990000552 |