CN202647771U - Peripheral distribution type burner of natural gas channel - Google Patents
Peripheral distribution type burner of natural gas channel Download PDFInfo
- Publication number
- CN202647771U CN202647771U CN2012203512722U CN201220351272U CN202647771U CN 202647771 U CN202647771 U CN 202647771U CN 2012203512722 U CN2012203512722 U CN 2012203512722U CN 201220351272 U CN201220351272 U CN 201220351272U CN 202647771 U CN202647771 U CN 202647771U
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- Prior art keywords
- natural gas
- burner
- combustion air
- gas passage
- passage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a peripheral distribution type burner of a natural gas channel and belongs to the technical field of a gas combustor which is not in a premixing station. The peripheral distribution type burner comprises a burner brick body, a combustion-supporting air channel and natural gas channels, wherein the combustion-supporting air channel is in a pipe-shaped structure and is located inside the burner brick body; two or more natural gas channels are arranged in the peripheral direction of the combustion-supporting air channel; the natural gas channels are buried in the burner brick body; an axial included angle formed between a nozzle section at the front end of each natural gas channel and the center of the combustion-supporting air channel is alpha and the alpha is more than or equal to 0 and less than or equal to 90; and the nozzle section and the combustion-supporting air channel are arranged in the same direction and are combined at the front end of the burner. The peripheral distribution type burner has the thinning and flow splitting effects on natural gas so that the contact area between the natural gas and combustion-supporting air can be enlarged, the incomplete combustion amount of the natural gas is greatly reduced and the content of CO2 in discharged smoke is reduced; and compared with the conventional natural gas heat storage type burner, energy is saved by 8-10%; and the peripheral distribution type burner has the obvious benefits of saving the energy and reducing the consumption, and the service life of the burner is greatly prolonged.
Description
Technical field
The utility model belongs to the not gas burner technical field of premix, more particularly, relates to the circumferential distributed burner of a kind of natural gas passage, especially is suitable for regenerative burner system.
Background technology
Be called HTAC(High Temperature Air Combustion abroad) heat accumulating type high temperature air combustion technology, be the combustion technology of the external a kind of novel concept that proposes of eighties of last century.This technology is Mist heat recovering and efficient burning and reduce NO
xOrganically combine etc. technology, it is preheated to 800 ~ 1000 ℃ high temperature by the high-efficiency thermal storage material with combustion air from room temperature, thereby has realized that the limit is energy-conservation, the limit reduces NO
xThe dual purpose of discharge capacity.
Although the regenerative high temperature combustion technology technology is the new and high technology of energy-saving and environmental protection.But domestic regenerative natural gas burner does not have ripe structure.What natural gas and combustion air adopted at present is traditional exterior mixing structure, therefore natural gas in combustion process owing to can not fully mix, cause methane cracking in the natural gas to produce carbon black and waste energy, calculate and actual the detection through theory, contain 8 ~ 10% combustible in the flue gas of traditional regenerative natural gas burner burning imperfect combustion.
China Patent No. ZL200920104554.0, Granted publication day is on May 12nd, 2010, invention and created name is: a kind of regenerative natural gas burner, this application case comprises metal shell and is arranged at the interior heat storage tank of described metal shell, is provided with natural gas passage and air accumulation of heat passage in the described heat storage tank; Described natural gas passage and described air accumulation of heat passage are coaxial tubulose, described air accumulation of heat channel sleeve is connected to outside the described natural gas passage, be filled with square hole-shaped extruded honeycomb body and cast shape circular hole honeycomb ceramics in the described air accumulation of heat passage, described natural gas channel outlet has an opening of gradually opening, described air accumulation of heat passage has open channel, and described open channel and described natural gas passage have angle; Described square hole-shaped extruded honeycomb body and the axial conducting of casting type circular hole honeycomb ceramics have two or more axial square holes in the described square hole-shaped extruded honeycomb body, have two or more axial circular holes in the described casting type circular hole honeycomb ceramics.The air accumulation of heat channel end of this application case arranges a plurality of open channels, to improve the mixing situation of natural gas and preheated air, it is inner that but the natural gas passage in this application case is positioned at air accumulation of heat channel center, the easy scaling loss of the opening that the natural gas channel exit is gradually opened, cause burner short service life, the natural gas passage needs about 6 months to change in the prior art, and the mixed problem for natural gas and preheated air does not thoroughly solve in this application case, still needs further to improve.
In addition, China Patent No. ZL02151238.8, invention and created name is: multichannel preparing synthetic gas by natural gas partial oxidation burner; China Patent No. ZL90207479.2, invention and created name is: nozzle of burner for combustion of gas; China Patent No. ZL200480028218.2, invention and created name is: the operation method of burner and gas turbine.Above-mentioned patent scheme is for the improvement of nozzle structure, all is based on improving the situation of mixing of fuel and air, and its structure is comparatively complicated, fully still is further improved on the mixed problem in combustion process for improving fuel.
Summary of the invention
The technical problem that utility model will solve
The purpose of this utility model is to overcome in the prior art gas fuel can not well-mixed deficiency in combustion process, provide a kind of natural gas passage circumferential distributed burner, the utility model can improve the imperfect combustion situation of natural gas, a large amount of content that reduce CO in the smoke evacuation play energy-saving and cost-reducing effect.
Technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The circumferential distributed burner of a kind of natural gas passage of the present utility model comprises burner block body, combustion air passage and natural gas passage, and described combustion air passage is tubular structure, is positioned at the inside of burner block body; Described natural gas passage circumferentially distributes two or more around the combustion air passage, this natural gas passage is embedded in the burner block body, the spout section of natural gas passage front end and the central shaft of combustion air passage are α to angle, and 0 °≤α≤90 °, above-mentioned spout section and combustion air passage are arranged in the same way, and are converged at the burner front end.The utility model is by arranging two or more natural gas passage in combustion air passage periphery, be divided into the multiply thread so that come from natural gas house steward's natural gas, many the natural gas passage is centered around combustion air passage periphery, the natural gas that passes into and the contact area of combustion air have been increased, so that the air-flow mixing fully, thereby greatly reduce the imperfect combustion amount of natural gas.
Further improve as the utility model, described combustion air passage is the quadrangle hollow structure, and the natural gas passage is distributed in the both sides of quadrangle combustion air passage periphery or more than the both sides.When combustion air passage of the present utility model adopts the quadrangle hollow structure, as long as distribute many natural gas passages in the both sides of combustion air passage periphery or more than the both sides, can play good refinement shunting action, strengthen the contact area of natural gas and combustion air.
Further improve as the utility model, described natural gas passage is uniformly distributed in four sides of quadrangle combustion air passage periphery, the natural gas passage layout that is parallel to each other on each side, the spacing of adjacent combustion air passage is greater than the twice of combustion air passage caliber on the same side.In the utility model the natural gas passage be distributed in the combustion air passage around, the mixed effect of natural gas and combustion air is best, and cooling condition is good, the natural gas passage is embedded in the burner block body interior simultaneously, the natural gas passage is consistent with the life-span of burner block body, and need not change convenience easy to maintenance in the use procedure; In addition, the spacing of adjacent combustion air passage has guaranteed fully mixing of natural gas and combustion air on the same side.
Further improve as the utility model, the spout section of described natural gas passage front end and the central shaft of combustion air passage are to 3 °≤α of angle≤20 °.
Further improve as the utility model, the caliber of described natural gas passage is Φ 5 ~ 20 mm.The design of the caliber of natural gas passage in the utility model has guaranteed fully mixing of natural gas and combustion air, has avoided simultaneously the tempering problem.
Further improve as the utility model, the spout section of described natural gas passage front end and the central shaft of combustion air passage are 6 ° to angle α; Adjacent two combustion air channel pitch are 50 mm on the same side, and the caliber of natural gas passage is Φ 10 mm.
Further improve as the utility model, described natural gas passage also comprises inserting paragraph, and the front end of this inserting paragraph connects the spout section, and with spout Duan Chengyi bending, the end of this inserting paragraph connects the natural gas house steward.Inserting paragraph in the utility model is embedded in the refractory material of burner block body, even the natural gas passage is burnt, the passage of burner block body interior still can guarantee the normal use of burner.
Further improve as the utility model, the central shaft of described inserting paragraph and combustion air passage is β to angle, and 30 °≤β≤60 °.
Beneficial effect
The technical scheme that adopts the utility model to provide is compared with existing known technology, has following remarkable result:
(1) the circumferential distributed burner of a kind of natural gas passage of the present utility model, its natural gas passage around combustion air passage peripheral distribution two or more, the effect that gas fuel is had the refinement shunting, can increase the contact area of natural gas and combustion air, accelerated the mixing velocity of natural gas and combustion air, greatly reduce the imperfect combustion amount of natural gas, thereby reduce the content of CO in the smoke evacuation, improved the effective rate of utilization of gas fuel;
(2) the circumferential distributed burner of a kind of natural gas passage of the present utility model, because natural gas and the abundant mixed combustion of combustion air, so that energy-saving effect is outstanding, more traditional regenerative natural gas burner energy-conservation 8 ~ 10%, after burner of the present utility model is applied to natural gas heat accumulating type forge furnace, ton steel Coal-fired capacity is marked coal/be reduced to more than the t steel 50 ~ 75Kg mark coal/below the t steel, have energy-saving and cost-reducing remarkable benefit by 120Kg;
(3) the circumferential distributed burner of a kind of natural gas passage of the present utility model, its natural gas passage is distributed in combustion air passage periphery, cooling condition is good, the natural gas passage is embedded in the burner block body interior simultaneously, and is consistent with the life-span of burner block, so the service life of natural gas passage was greater than 2 years, the service life of middle natural gas passage about 6 months compared to existing technology, greatly improved the service life of burner, and need not change in the use procedure, convenience easy to maintenance;
(4) the circumferential distributed burner of a kind of natural gas passage of the present utility model, this nozzle structure is simple, and is cheap for manufacturing cost.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the circumferential distributed burner of a kind of natural gas passage of embodiment 1;
Fig. 2 is the A-A sectional structure schematic diagram among Fig. 1;
Fig. 3 is the B-B sectional structure schematic diagram among Fig. 1.
Label declaration in the schematic diagram:
1-burner block body; 2-combustion air passage; 3-natural gas passage; 31-spout section; The 32-inserting paragraph.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the circumferential distributed burner of a kind of natural gas passage of the present embodiment mainly is comprised of burner block body 1, combustion air passage 2 and natural gas passage 3, and its natural gas passage 3 comprises spout section 31 and inserting paragraph 32 two parts.
After the burner of the present embodiment is applied to natural gas heat accumulating type forge furnace, ton steel Coal-fired capacity is marked coal/be reduced to more than the t steel 50 ~ 75Kg mark coal/below the t steel by 120Kg, the discharge capacity of CO reduces 8% ~ 10% in the flue gas, has energy-saving and cost-reducing remarkable benefit, greatly reduce production cost, bring considerable society and economic benefit for enterprise and society, the circumferential distributed burner of natural gas passage of the present utility model is a kind of remarkably productive energy-saving environmental protection device.
The basic structure of the present embodiment is with embodiment 1, difference is: 3 in the natural gas passage of burner is distributed on two opposition sides of quadrangle combustion air passage 2 peripheries, adjacent two combustion air passages, 2 spacings are 60 mm on the same side, and the caliber of natural gas passage 3 is Φ 20 mm; The spout section 31 of natural gas passage 3 front ends is 20 ° with the central shaft of combustion air passage 2 to angle α, and inserting paragraph 32 is 30 ° with the central shaft of combustion air passage 2 to angle β.
The basic structure of the present embodiment is with embodiment 1, difference is: 3 in the natural gas passage of burner is distributed on three sides of quadrangle combustion air passage 2 peripheries, adjacent two combustion air passages, 2 spacings are 40 mm on the same side, and the caliber of natural gas passage 3 is Φ 5 mm; The spout section 31 of natural gas passage 3 front ends is 3 ° with the central shaft of combustion air passage 2 to angle α, and inserting paragraph 32 is 60 ° with the central shaft of combustion air passage 2 to angle β.
After the burner of embodiment 2 ~ 3 was applied to natural gas heat accumulating type forge furnace, its energy-saving effect was obvious, and the discharge capacity of CO reduces about 8% in the flue gas, and ton steel Coal-fired capacity is about 75Kg mark coal/t steel.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, create aim in the situation that do not break away from the utility model, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (8)
1. circumferential distributed burner of natural gas passage, comprise burner block body (1), combustion air passage (2) and natural gas passage (3), it is characterized in that: described combustion air passage (2) is tubular structure, is positioned at the inside of burner block body (1); Described natural gas passage (3) circumferentially distributes two or more around combustion air passage (2), this natural gas passage (3) is embedded in the burner block body (1), the spout section (31) of natural gas passage (3) front end is α with the central shaft of combustion air passage (2) to angle, and 0 °≤α≤90 °, above-mentioned spout section (31) is arranged in the same way with combustion air passage (2), and is converged at the burner front end.
2. the circumferential distributed burner of a kind of natural gas passage according to claim 1, it is characterized in that: described combustion air passage (2) is the quadrangle hollow structure, and natural gas passage (3) is distributed in the both sides of quadrangle combustion air passage (2) periphery or more than the both sides.
3. the circumferential distributed burner of a kind of natural gas passage according to claim 2, it is characterized in that: described natural gas passage (3) is uniformly distributed in four sides of quadrangle combustion air passage (2) periphery, natural gas passage (3) layout that is parallel to each other on each side, the spacing of adjacent combustion air passage (2) is greater than the twice of combustion air passage (2) caliber on the same side.
4. it is characterized in that according to claim 2 or the circumferential distributed burner of 3 described a kind of natural gas passages: the spout section (31) of described natural gas passage (3) front end and the central shaft of combustion air passage (2) are to 3 °≤α of angle≤20 °.
5. the circumferential distributed burner of a kind of natural gas passage according to claim 3, it is characterized in that: the caliber of described natural gas passage (3) is Φ 5 ~ 20 mm.
6. the circumferential distributed burner of a kind of natural gas passage according to claim 5 is characterized in that: the spout section (31) of described natural gas passage (3) front end is 6 ° with the central shaft of combustion air passage (2) to angle α; Adjacent two combustion air passage (2) spacings are 50 mm on the same side, and the caliber of natural gas passage (3) is Φ 10 mm.
7. the circumferential distributed burner of a kind of natural gas passage according to claim 6, it is characterized in that: described natural gas passage (3) also comprises inserting paragraph (32), the front end of this inserting paragraph (32) connects spout section (31), and be a bending with spout section (31), the end of this inserting paragraph (32) connects the natural gas house steward.
8. the circumferential distributed burner of a kind of natural gas passage according to claim 7 is characterized in that: described inserting paragraph (32) is β with the central shaft of combustion air passage (2) to angle, and 30 °≤β≤60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203512722U CN202647771U (en) | 2012-07-19 | 2012-07-19 | Peripheral distribution type burner of natural gas channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203512722U CN202647771U (en) | 2012-07-19 | 2012-07-19 | Peripheral distribution type burner of natural gas channel |
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| Publication Number | Publication Date |
|---|---|
| CN202647771U true CN202647771U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203512722U Expired - Lifetime CN202647771U (en) | 2012-07-19 | 2012-07-19 | Peripheral distribution type burner of natural gas channel |
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| Country | Link |
|---|---|
| CN (1) | CN202647771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777915A (en) * | 2012-07-19 | 2012-11-14 | 马鞍山天洲节能工程科技有限公司 | Circumferentially distributed burner of natural gas channels |
-
2012
- 2012-07-19 CN CN2012203512722U patent/CN202647771U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777915A (en) * | 2012-07-19 | 2012-11-14 | 马鞍山天洲节能工程科技有限公司 | Circumferentially distributed burner of natural gas channels |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |