CN203375450U - Smoke backflow type high-heating-value gas heat storage burner - Google Patents
Smoke backflow type high-heating-value gas heat storage burner Download PDFInfo
- Publication number
- CN203375450U CN203375450U CN201320330707.XU CN201320330707U CN203375450U CN 203375450 U CN203375450 U CN 203375450U CN 201320330707 U CN201320330707 U CN 201320330707U CN 203375450 U CN203375450 U CN 203375450U
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- burner
- smoke
- heating value
- burner body
- smoke backflow
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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 relates to a smoke backflow type high-heating-value gas heat storage burner. An existing gas heat storage burner can not prolong the service life or suppress the generation of NOx. The smoke backflow type high-heating-value gas heat storage burner is characterized by comprising a burner body, a gas spraying head, a smoke guide pipe, a restriction orifice, a burning torch, an ultraviolet detector and a heat storage box body, wherein a core body is arranged in the burner body and divides the burner body into a jetting drainage cavity, a mixing cavity and a high-temperature air cavity, the burning torch and the ultraviolet detector are installed in the burner body, a box body outlet of the heat storage box body is communicated with the high-temperature air cavity, one end of the smoke guide pipe is communicated with the jetting drainage cavity, the other end of the smoke guide pipe is communicated with the inside of a furnace, the front portion of the gas spraying head is located in the jetting drainage cavity, the inlet of the mixing cavity is a mixing area of gas and smoke, the outlet end of the mixing cavity is a first-level burning area, and a second-level burning area is located in front of the restriction orifice. The smoke backflow type high-heating-value gas heat storage burner can prolong the service life, lower flame temperature, suppress the generation of NOx, and reduce exhaust of NOx.
Description
Technical field
The utility model relates to a kind of regenerator gas burner, especially relates to a kind of smoke backflow formula high heating value regenerator gas burner, mainly is applicable in the batch (-type) industrial furnace such as car type furnace, batch-type furnace, annular furnace and rotary hearth furnace etc.
Background technology
Heat accumulating type high temperature air combustion technology is a kind of application more energy-saving combustion technology, heat-accumulating burner research at present is more, and be combustion gas and the direct mixed combustion of high temperature air to high heating value regenerator gas burner more attention, but pay attention to not enough to utilizing smoke backflow and high heating value combustion gas to carry out mixed diluting burning heat-accumulating burner.
Due to high heating value combustion gas and the direct mixed combustion of high temperature air, combustion flame temperature is very high, thermal-flame impacts burner block, heat storage, fire resisting material of furnace body etc., have a strong impact on its service life, simultaneously gas stream in the stove layering, can not realize that multi-C stereo circulates, temperature uniformity is poor, and in combustion product, NOx content is very high, and environment is had to larger pollution.
In sum, also there is no at present a kind of reasonable in design, can improve burner service life, reduce flame temperature, suppress NOx and generate, reduce NOx emission, promote the high heating value regenerator gas burner that the gas stream in the stove multi-C stereo circulates.
The utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, can improve burner service life, reduce flame temperature, suppressing NOx generates, reduce NOx emission, promote the smoke backflow formula high heating value regenerator gas burner that the gas stream in the stove multi-C stereo circulates.
The technical scheme in the invention for solving the above technical problem is: the design feature of this smoke backflow formula high heating value regenerator gas burner is: comprise burner body, gas spray head, smoke tube, restriction orifice, burning torch, ultraviolet detector and accumulation of heat casing, be provided with core body in described burner body, this core body and restriction orifice coordinate, described core body is separated into the injection drainage lumens to burner body, mixing chamber and high temperature air chamber, described burning torch and ultraviolet detector are installed in burner body, be provided with casing outlet and casing interface in described accumulation of heat casing, this accumulation of heat casing and burner body are fixed, casing outlet in described accumulation of heat casing is communicated with the high temperature air chamber in burner body, one end of described smoke tube and the injection drainage lumens in burner body are communicated with, in the other end of this smoke tube and stove, be communicated with, the front portion of described gas spray head is arranged in the injection drainage lumens of burner body, the mixed zone that the entrance point of described mixing chamber is combustion gas and flue gas, the port of export of this mixing chamber is the one-level combustion zone, the place ahead of described restriction orifice is the secondary firing district.
As preferably, the core body in burner body described in the utility model is venturi tubulose structure.
As preferably, the rear portion of the core body in burner body described in the utility model along the circumferential direction is provided with high temperature air air admission hole of a circle.
As preferably, the front end of gas spray head described in the utility model is conical structure.
As preferably, the center of restriction orifice described in the utility model is provided with a big hole, and the surrounding of this restriction orifice is provided with six small circular holes uniformly.
As preferably, accumulation of heat casing described in the utility model is cylindrical structural.
As preferably, a high temperature air air admission hole described in the utility model radially is uniformly distributed along core body, and the angle between the center line of this high temperature air air admission hole and the axis of core body is the 50-70 degree.
The utility model compared with prior art, have the following advantages and effect: reasonable in design, adopt and spray the high heating value combustion gas, produce negative pressure in spraying drainage lumens, thereby suck flue gas by smoke tube, inner flue gas of the stove is back in burner body, the flue gas refluxed and the high heating value combustion gas of injection are after the hybrid chamber front end mixes, the high temperature air produced through the heat storage heat exchange before hybrid chamber rear end and restriction orifice carries out the burning of two-stage mixed at high speed, in order to the decrease combustion flame temperature, suppress the generation of NOx in combustion process, reduce the discharge of NOx, promote the gas stream in the stove multi-C stereo to circulate, improve the uniformity of furnace temperature, improve control of industrial furnace home.
The accompanying drawing explanation
Fig. 1 is the structural representation of smoke backflow formula high heating value regenerator gas burner in the utility model embodiment.
Fig. 2 is the sectional structure schematic diagram of A-A face in Fig. 1.
Fig. 3 is the structural representation that indicates the media flow direction in Fig. 1.
Fig. 4 is the structural representation that indicates the media flow direction in Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 4, the smoke backflow formula high heating value regenerator gas burner in the present embodiment comprises burner body 1, gas spray head 2, smoke tube 3, restriction orifice 4, burning torch 5, ultraviolet detector 6 and accumulation of heat casing 7.
Be provided with core body 11 in burner body 1 in the present embodiment, core body 11 is venturi tubulose structure, and core body entrance point 13 is the contraction-like structure of circular cone, belongs to contraction section; Core body middle part 14 is the straight tube-like structure, belongs to the trunnion section; The core body port of export 15 is circular cone diffusion type structure, belongs to diffuser; Contraction section, trunnion section and diffuser have formed venturi tubulose structure.The rear portion of the present embodiment core body 11 along the circumferential direction is provided with high temperature air air admission hole 12 of a circle, this high temperature air air admission hole 12 radially is uniformly distributed along core body 11, and the angle between the axis x of the center line of a high temperature air air admission hole 12 and core body 11 is usually at the 50-70 degree.
The center of the present embodiment restriction orifice 4 is provided with a big hole, and the surrounding of this restriction orifice 4 is provided with six small circular holes uniformly.Restriction orifice 4 is arranged in burner body 1, and core body 11 and restriction orifice 4 coordinate.Core body 11 is separated into burner body 1 to spray drainage lumens 16, mixing chamber 17 and high temperature air chamber 18, wherein, the mixed zone that the entrance point of mixing chamber 17 is combustion gas and flue gas, the port of export of this mixing chamber 17 is one-level combustion zone 9, the place ahead of restriction orifice 4 is secondary firing district 10.
Burning torch 5 and ultraviolet detector 6 in the present embodiment are installed in burner body 1.Accumulation of heat casing 7 is cylindrical structural, and ceramic heat storage body 72 is installed in accumulation of heat casing 7, is provided with casing outlet 71 and casing interface 73 in accumulation of heat casing 7.Accumulation of heat casing 7 in the present embodiment is fixing with burner body 1, and the casing outlet 71 in accumulation of heat casing 7 is communicated with the high temperature air chamber 18 in burner body 1.
One end of the smoke tube 3 in the present embodiment and the injection drainage lumens in burner body 1 16 are communicated with, in the other end of this smoke tube 3 and stove, 8 are communicated with, smoke backflow formula high heating value regenerator gas burner in the utility model is used in use usually together with industrial furnace, stove in the utility model interior 8 refers to the inside of industrial furnace, and this is common practise for a person skilled in the art.
Smoke backflow formula high heating value regenerator gas burner in the present embodiment utilizes the principle of Venturi tube, adopt and spray the high heating value combustion gas, spraying the interior generation negative pressure of drainage lumens 16, thereby suck flue gas by smoke tube 3, make the smoke backflow of stove interior 8 in burner body 1, the flue gas refluxed and the high heating value combustion gas of injection are after the front end of mixing chamber 17 mixes, rear end and the front high temperature air produced through accumulation of heat casing 7 heat exchange of restriction orifice 4 at mixing chamber 17 carry out the burning of two-stage mixed at high speed, in order to the decrease combustion flame temperature, suppress the generation of NOx in combustion process, reduce NOx emission, promote that in stove, 8 air-flow multi-C stereos circulate, improve temperature uniformity, improve control of industrial furnace home.
In addition, it should be noted that, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this specification is only to the explanation of the utility model structure example.Allly according to the utility model patent, conceive equivalence variation or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (7)
1. a smoke backflow formula high heating value regenerator gas burner, it is characterized in that: comprise burner body, gas spray head, smoke tube, restriction orifice, burning torch, ultraviolet detector and accumulation of heat casing, be provided with core body in described burner body, this core body and restriction orifice coordinate, described core body is separated into the injection drainage lumens to burner body, mixing chamber and high temperature air chamber, described burning torch and ultraviolet detector are installed in burner body, be provided with casing outlet and casing interface in described accumulation of heat casing, this accumulation of heat casing and burner body are fixed, casing outlet in described accumulation of heat casing is communicated with the high temperature air chamber in burner body, one end of described smoke tube and the injection drainage lumens in burner body are communicated with, in the other end of this smoke tube and stove, be communicated with, the front portion of described gas spray head is arranged in the injection drainage lumens of burner body, the mixed zone that the entrance point of described mixing chamber is combustion gas and flue gas, the port of export of this mixing chamber is the one-level combustion zone, the place ahead of described restriction orifice is the secondary firing district.
2. smoke backflow formula high heating value regenerator gas burner according to claim 1, it is characterized in that: the core body in described burner body is venturi tubulose structure.
3. smoke backflow formula high heating value regenerator gas burner according to claim 1, it is characterized in that: the rear portion of the core body in described burner body along the circumferential direction is provided with high temperature air air admission hole of a circle.
4. smoke backflow formula high heating value regenerator gas burner according to claim 1, it is characterized in that: the front end of described gas spray head is conical structure.
5. smoke backflow formula high heating value regenerator gas burner according to claim 1, it is characterized in that: the center of described restriction orifice is provided with a big hole, and the surrounding of this restriction orifice is provided with six small circular holes uniformly.
6. smoke backflow formula high heating value regenerator gas burner according to claim 1, it is characterized in that: described accumulation of heat casing is cylindrical structural.
7. smoke backflow formula high heating value regenerator gas burner according to claim 3, it is characterized in that: a described high temperature air air admission hole radially is uniformly distributed along core body, and the angle between the center line of this high temperature air air admission hole and the axis of core body is the 50-70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330707.XU CN203375450U (en) | 2013-06-08 | 2013-06-08 | Smoke backflow type high-heating-value gas heat storage burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330707.XU CN203375450U (en) | 2013-06-08 | 2013-06-08 | Smoke backflow type high-heating-value gas heat storage burner |
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| Publication Number | Publication Date |
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| CN203375450U true CN203375450U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320330707.XU Expired - Lifetime CN203375450U (en) | 2013-06-08 | 2013-06-08 | Smoke backflow type high-heating-value gas heat storage burner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006394A (en) * | 2014-06-06 | 2014-08-27 | 南通海鹰机电集团有限公司 | Blast furnace gas burning assisting device |
| CN104501136A (en) * | 2014-11-26 | 2015-04-08 | 广西大学 | Auxiliary combustion device |
| CN104949147A (en) * | 2014-03-31 | 2015-09-30 | 天津鼎熵节能科技有限公司 | Reinforcing burner |
| CN105698173A (en) * | 2016-03-21 | 2016-06-22 | 浙江尚鼎工业炉有限公司 | Low-NOx unsymmetrical combustor with Venturi tube |
| CN106801870A (en) * | 2017-01-23 | 2017-06-06 | 郑州釜鼎热能技术有限公司 | The heat accumulating type staged combustion device of combustion gas stabilization injection volume smoking gas and air |
| CN107750319A (en) * | 2015-06-16 | 2018-03-02 | 霍尼韦尔国际公司 | The burner of jet pump with combustion air driving |
| CN110285414A (en) * | 2019-05-27 | 2019-09-27 | 河北科技大学 | Flow back burner in the hypoxemia flue gas of chamber-type heating furnace |
| CN113154380A (en) * | 2021-04-09 | 2021-07-23 | 山东一然环保科技有限公司 | Low-nitrogen combustion system of regenerative heating furnace and working method thereof |
-
2013
- 2013-06-08 CN CN201320330707.XU patent/CN203375450U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949147A (en) * | 2014-03-31 | 2015-09-30 | 天津鼎熵节能科技有限公司 | Reinforcing burner |
| CN104006394A (en) * | 2014-06-06 | 2014-08-27 | 南通海鹰机电集团有限公司 | Blast furnace gas burning assisting device |
| CN104006394B (en) * | 2014-06-06 | 2016-05-25 | 南通海鹰机电集团有限公司 | A kind of blast furnace gas companion burns device |
| CN104501136A (en) * | 2014-11-26 | 2015-04-08 | 广西大学 | Auxiliary combustion device |
| CN107750319A (en) * | 2015-06-16 | 2018-03-02 | 霍尼韦尔国际公司 | The burner of jet pump with combustion air driving |
| CN105698173A (en) * | 2016-03-21 | 2016-06-22 | 浙江尚鼎工业炉有限公司 | Low-NOx unsymmetrical combustor with Venturi tube |
| CN105698173B (en) * | 2016-03-21 | 2017-12-01 | 长兴金诺机械有限公司 | A kind of low NOx asymmetrics burner with Venturi tube |
| CN106801870A (en) * | 2017-01-23 | 2017-06-06 | 郑州釜鼎热能技术有限公司 | The heat accumulating type staged combustion device of combustion gas stabilization injection volume smoking gas and air |
| CN110285414A (en) * | 2019-05-27 | 2019-09-27 | 河北科技大学 | Flow back burner in the hypoxemia flue gas of chamber-type heating furnace |
| CN113154380A (en) * | 2021-04-09 | 2021-07-23 | 山东一然环保科技有限公司 | Low-nitrogen combustion system of regenerative heating furnace and working method thereof |
| CN113154380B (en) * | 2021-04-09 | 2022-02-22 | 山东一然环保科技有限公司 | Low-nitrogen combustion system of regenerative heating furnace and working method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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| CX01 | Expiry of patent term |