CN220981339U - Cement rotary kiln burner - Google Patents
Cement rotary kiln burner Download PDFInfo
- Publication number
- CN220981339U CN220981339U CN202322389517.1U CN202322389517U CN220981339U CN 220981339 U CN220981339 U CN 220981339U CN 202322389517 U CN202322389517 U CN 202322389517U CN 220981339 U CN220981339 U CN 220981339U
- Authority
- CN
- China
- Prior art keywords
- tube
- baffle
- gas
- partition plate
- center
- 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
- 239000004568 cement Substances 0.000 title claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 43
- 239000002737 fuel gas Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000004927 fusion Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a cement rotary kiln burner, which relates to the technical field of rotary kilns and comprises a central tube, wherein an outer sleeve is sleeved outside the central tube, an air cavity is formed between the central tube and the outer sleeve, a first partition plate is fixedly arranged on one side of the air cavity, a plurality of first air distribution holes are formed in the first partition plate, a second partition plate, a third partition plate and a rectifying block are sequentially arranged on one side of the central tube in the outer sleeve, a plurality of second air distribution holes are formed in the second partition plate, a central hole is formed in the center of the third partition plate, and a plurality of air holes are formed in the rectifying block.
Description
Technical Field
The utility model relates to the technical field of rotary kilns, in particular to a cement rotary kiln burner.
Background
The burner of the rotary kiln is generally arranged at the discharge end of the rotary kiln, and the burner is burnt by spraying flame to provide heat required by heating the material of the rotary kiln; as disclosed in the patent of the utility model with publication number CN210624518U, a burner for rotary kiln is disclosed, comprising a burner outer cylinder, wherein the burner outer cylinder is fixedly connected with a flame tube near the front end, the lower end of the burner outer cylinder is fixedly connected with a blower access tube, the burner outer cylinder is fixedly connected with a natural gas access tube near the rear end, the inner end of the burner outer cylinder is provided with a mixing cavity tube, the lower end of the mixing cavity tube is in through connection with the blower access tube, one end of the natural gas access tube penetrates through the burner outer cylinder and is in through connection with the mixing cavity tube, the inner end of the burner outer cylinder is fixedly provided with a first fixing plate, the mixing cavity tube is in through embedding connection with the first fixing plate near the front end, and the inner end of the flame tube is provided with a flame tube;
however, when the fuel gas and the combustion-supporting gas are mixed, uneven mixing is easy to occur, and the full combustion of the fuel is not facilitated.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a cement rotary kiln burner, which solves the technical problem of uneven mixing of combustion-supporting gas and fuel gas in the prior device.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a cement rotary kiln combustor, includes the center tube, center tube outside cover is equipped with the outer tube, the center tube with form the air cavity between the outer tube, one side of air cavity is fixed to be provided with first baffle, a plurality of first gas distribution holes have been seted up on the first baffle, be located in the outer tube one side of center tube is equipped with second baffle, third baffle and rectification piece in proper order, a plurality of second gas distribution holes have been seted up on the second baffle, the center hole has been seted up in third baffle center department, a plurality of bleeder vents have been seted up in the rectification piece, the outer tube is close to one side of rectification piece is installed the nozzle, the center tube is connected with the gas pipe, the outer tube is connected with the combustion-supporting trachea.
Preferably, a heating plate is arranged in the side wall of the central tube.
Preferably, a spiral partition plate is fixedly arranged in the air cavity.
Preferably, a diversion cone is fixedly arranged on one side of the second partition plate, which is close to the central tube.
Preferably, the nozzle is connected to the outer sleeve in a threaded connection.
Preferably, the second partition plate, the third partition plate and the rectifying block are all inserted into the outer sleeve and are separated by a spacer sleeve.
Advantageous effects
The utility model provides a cement rotary kiln burner which has the beneficial effects that fuel gas discharged from a central pipe can be dispersed through the arrangement of a flow guide cone, the dispersed fuel gas can be mixed with combustion-supporting gas sprayed by a first air distribution hole, then the mixed fuel gas is discharged through a second air distribution hole, the gas discharged by the second air distribution hole can be gathered through a central hole on a third partition plate, the fusion of secondary gas is realized, the flow route of the mixed gas can be changed through an air hole on a rectifying block, and finally the mixed fuel gas is sprayed out through a nozzle; the heating plate can heat the fuel gas and the combustion-supporting gas at the same time, and the heating time of the combustion-supporting gas can be prolonged by the spiral partition plate.
Drawings
Fig. 1 is a front view internal structural diagram of the present utility model.
In the figure: 1. an outer sleeve; 2. a central tube; 3. an air cavity; 4. a first separator; 5. a first air distribution hole; 6. a second separator; 7. a second air distribution hole; 8. a diversion cone; 9. a third separator; 10. a central bore; 11. a rectifying block; 12. ventilation holes; 13. a nozzle; 14. a spacer sleeve; 15. a heating plate; 16. a gas pipe; 17. a combustion-supporting air pipe; 18. a spiral separator.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a cement rotary kiln combustor, including center tube 2, center tube 2 outside cover is equipped with outer tube 1, form the air cavity 3 that supplies combustion-supporting gas to flow between center tube 2 and the outer tube 1, one side of air cavity 3 is fixed to be provided with first baffle 4, a plurality of first gas distribution holes 5 have been seted up on the first baffle 4, one side that lies in center tube 2 in the outer tube 1 is equipped with second baffle 6 in proper order, third baffle 9 and rectification piece 11, a plurality of second gas distribution holes 7 have been seted up on the second baffle 6, center hole 10 has been seted up in the third baffle 9 center department, a plurality of bleeder vents 12 have been seted up in the rectification piece 11, nozzle 13 is installed to one side that is close to rectification piece 11 in outer tube 1, center tube 2 is connected with gas pipe 16, outer tube 1 is connected with combustion-supporting trachea 17, gas and combustion-supporting gas carry out preliminary mixing in outer tube 1 between first baffle 4 and second baffle 6, the gas after the mixing flows towards center hole 10 through a plurality of second gas distribution holes 7, then through a plurality of 12 rectification, make its flow direction and outer tube 1 axial direction parallel, then spout through nozzle 13.
As an embodiment of the utility model, the heating plate 15 is arranged in the side wall of the central tube 2, and the heating plate 15 can heat the fuel gas in the central tube 2 and the combustion-supporting gas in the air cavity 3 to prevent the gas with lower temperature from entering the rotary kiln.
As an embodiment of the present utility model, the spiral partition 18 is fixedly arranged in the air cavity 3, and the flow path of the combustion-supporting gas in the air cavity can be increased through the spiral partition 18, so that the heating time is increased.
As an embodiment of the present utility model, a flow guiding cone 8 is fixedly arranged on one side of the second partition plate 6 close to the central tube 2, so that the fuel gas discharged from the central tube 2 can be dispersed conveniently by arranging the flow guiding cone 8.
As an embodiment of the utility model, the nozzle 13 is connected to the outer sleeve 1 in a threaded connection manner, so that the nozzle 13 is convenient to replace.
As an embodiment of the present utility model, the second partition plate 6, the third partition plate 9, and the rectifying block 11 are inserted into the outer sleeve 1, and the rectifying block 11, the third partition plate 9, and the second partition plate 6 can be sequentially taken out by unscrewing the nozzle 13 with the spacer 14 interposed therebetween.
The working principle and the using flow of the utility model are as follows: when the gas-fired rectifier is used, gas enters between the first partition plate 4 and the second partition plate 6 through the central pipe 2, combustion-supporting gas enters between the first partition plate 4 and the second partition plate 6 through the air cavity 3 and is mixed with the gas, the gas discharged from the central pipe 2 can be dispersed through the gas guide cone 8, the dispersed gas can be mixed with the combustion-supporting gas sprayed by the first gas distribution holes 5, then the gas is discharged through the second gas distribution holes 7, the gas discharged from the second gas distribution holes 7 can be gathered through the central holes 10 on the third partition plate 9, the fusion of the secondary gas is realized, finally, the flow route of the mixed gas is changed through the air holes 12 on the rectifying block 11, and finally, the gas is sprayed out through the nozzle 13; the heating plate 15 can raise the temperature of the central tube 2, and the gas and the combustion-supporting gas are both in contact with the central tube 2, so that the gas and the combustion-supporting gas can be heated at the same time, and the heating time of the combustion-supporting gas can be increased by providing the spiral separator 18.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cement rotary kiln combustor, its characterized in that, includes center tube (2), center tube (2) outside cover is equipped with outer tube (1), center tube (2) with form air cavity (3) between outer tube (1), one side of air cavity (3) is fixed to be provided with first baffle (4), a plurality of first gas distribution holes (5) have been seted up on first baffle (4), be located in outer tube (1) one side of center tube (2) is equipped with second baffle (6), third baffle (9) and rectification piece (11) in proper order, a plurality of second gas distribution holes (7) have been seted up on second baffle (6), center hole (10) have been seted up in third baffle (9) center department, a plurality of bleeder vents (12) have been seted up in rectification piece (11), outer tube (1) are close to nozzle (13) are installed to one side of rectification piece (11), center tube (2) are connected with gas pipe (16), outer tube (1) are connected with combustion-supporting gas pipe (17).
2. A rotary cement kiln burner according to claim 1, characterized in that a heating plate (15) is provided in the side wall of the central tube (2).
3. A rotary cement kiln burner according to claim 2, characterized in that a spiral partition (18) is fixedly arranged in the air chamber (3).
4. A rotary cement kiln burner according to claim 1, characterized in that the side of the second partition (6) adjacent to the central tube (2) is fixedly provided with a flow guide cone (8).
5. A rotary cement kiln burner according to claim 1, characterized in that the nozzle (13) is screwed to the outer sleeve (1).
6. A rotary cement kiln burner according to claim 5, characterized in that the second partition (6), the third partition (9) and the rectifying block (11) are all inserted in the outer sleeve (1) and are separated by a spacer sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389517.1U CN220981339U (en) | 2023-09-04 | 2023-09-04 | Cement rotary kiln burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389517.1U CN220981339U (en) | 2023-09-04 | 2023-09-04 | Cement rotary kiln burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220981339U true CN220981339U (en) | 2024-05-17 |
Family
ID=91062409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322389517.1U Active CN220981339U (en) | 2023-09-04 | 2023-09-04 | Cement rotary kiln burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220981339U (en) |
-
2023
- 2023-09-04 CN CN202322389517.1U patent/CN220981339U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |