CN112344328A - Negative pressure nozzle - Google Patents
Negative pressure nozzle Download PDFInfo
- Publication number
- CN112344328A CN112344328A CN202011148382.4A CN202011148382A CN112344328A CN 112344328 A CN112344328 A CN 112344328A CN 202011148382 A CN202011148382 A CN 202011148382A CN 112344328 A CN112344328 A CN 112344328A
- Authority
- CN
- China
- Prior art keywords
- burner
- negative pressure
- nozzle
- cylinder
- fire
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
Abstract
The invention discloses a negative pressure fire nozzle, which is characterized in that a small seam is reserved between an inner fire nozzle barrel and an outer fire nozzle barrel by improving the structure of a hearth, wind passes through a wind pipe and a cyclone flow deflector and then is ejected from the small seam at a high speed, an invisible vacuum-like area is formed in front of a high-temperature resistant fire nozzle due to high wind speed, and fire in the hearth can be ejected at a high speed due to the existence of the vacuum area. Through the structure of improving furnace, burner inner tube and burner urceolus leave a slit, and wind passes through tuber pipe, whirlwind water conservancy diversion piece, then spouts from the slit high speed, because higher wind speed can form an intangible class vacuum region in high temperature resistant burner the place ahead, and the existence of this vacuum region can make the high-speed blowout of furnace's fire.
Description
Technical Field
The invention relates to the technical field of combustion furnaces, in particular to a negative pressure nozzle.
Background
A combustion furnace and an electric arc combustion furnace, also called a carbon-sulfur combustion furnace, are called electric arc furnaces for short, and utilize a high-voltage and high-frequency oscillation circuit to form an instantaneous large current to ignite a sample, so that mixed gas generated after the sample is rapidly combusted under an oxygen-enriched condition is subjected to a chemical analysis program to quantitatively and rapidly analyze the content of carbon and sulfur in the sample, and the physical and chemical workers in China perform crystallization in a long-term and hard work.
Due to the structural limitation of the hearth of the existing combustion furnace, the flame injection speed of the hearth is low.
Disclosure of Invention
The invention aims to provide a negative pressure burner, which is characterized in that a small seam is reserved between a burner inner cylinder and a burner outer cylinder by improving the structure of a hearth, wind passes through a wind pipe and a cyclone flow deflector and then is ejected from the small seam at a high speed, an invisible vacuum-like area is formed in front of a high-temperature-resistant burner due to high wind speed, fire in the hearth can be ejected at a high speed due to the existence of the vacuum area, and the problems in the prior art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a negative pressure nozzle, includes nozzle inner tube, nozzle urceolus, high temperature resistant nozzle, tuber pipe and whirlwind water conservancy diversion piece, nozzle urceolus cover is on the nozzle inner tube, the upper end and the lower extreme of nozzle urceolus all set up the tuber pipe, the partial surface that the nozzle inner tube is located the nozzle urceolus has seted up high temperature resistant nozzle, and the partial surface that the nozzle inner tube is located the nozzle urceolus still distributes and has the whirlwind water conservancy diversion piece.
Preferably, one of the air pipes is an air inlet pipe, and the other air pipe is an air outlet pipe.
Preferably, the included angle between the cyclone flow deflector and the central line of the inner cylinder of the fire nozzle is 12 degrees.
Preferably, the cyclone guide vanes are circularly and equally distributed on the surface of the inner cylinder of the fire nozzle.
Preferably, the outer burner barrel is axisymmetrical with the center line of the inner burner barrel.
Compared with the prior art, the invention has the following beneficial effects:
according to the negative pressure fire nozzle, the structure of the hearth is improved, the small gap is reserved between the inner fire nozzle barrel and the outer fire nozzle barrel, air passes through the air pipe and the cyclone flow deflector and then is ejected out from the small gap at a high speed, an invisible vacuum area is formed in front of the high-temperature-resistant fire nozzle due to high air speed, and fire in the hearth can be ejected out at a high speed due to the existence of the vacuum area.
Drawings
FIG. 1 is a front view of a negative pressure burner of the present invention;
fig. 2 is a side view of the negative pressure nozzle of the present invention.
In the figure: 1. a nozzle inner barrel; 2. a nozzle outer cylinder; 3. a high temperature resistant burner; 4. an air duct; 5. the whirlwind water conservancy diversion piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a negative pressure burner comprises a burner inner cylinder 1, a burner outer cylinder 2, a high temperature resistant burner 3, an air pipe 4 and a cyclone flow deflector 5, wherein the burner outer cylinder 2 is sleeved on the burner inner cylinder 1, the burner outer cylinder 2 is axisymmetric with the center line of the burner inner cylinder 1 to ensure that the air directions are crossed in front of the burner to form a vacuum area, a small gap is reserved between the burner inner cylinder 1 and the burner outer cylinder 2, the upper end and the lower end of the burner outer cylinder 2 are both provided with the air pipe 4, the part of the surface of the burner inner cylinder 1 in the burner outer cylinder 2 is provided with the high temperature resistant burner 3, the part of the surface of the burner inner cylinder 1 in the burner outer cylinder 2 is also distributed with the cyclone flow deflector 5, and air passes through the air pipe 4 and the cyclone flow deflector 5 to be ejected from the small gap at a high speed, and can form an intangible vacuum area in front of the high temperature resistant burner 3 due to high air speed, causing the fire in the furnace to be ejected at a high rate.
One of the air pipes 4 is an air inlet pipe, and the other air pipe 4 is an air outlet pipe, so that the normal air can be kept.
The included angle between the cyclone flow deflectors 5 and the central line of the inner burner barrel 1 is 12 degrees, the cyclone flow deflectors 5 are distributed on the surface of the inner burner barrel 1 in a circular and equal way, and the effect of high-speed fire spraying is improved.
In summary, according to the negative pressure burner of the present invention, by improving the structure of the furnace, a small gap is left between the inner burner barrel 1 and the outer burner barrel 2, and the air passes through the air duct 4 and the cyclone deflector 5 and is ejected from the small gap at a high speed, because of the high air speed, an invisible vacuum-like region is formed in front of the high temperature resistant burner 3, and the fire in the furnace can be ejected at a high speed due to the existence of the vacuum region.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a negative pressure nozzle, includes nozzle inner tube (1), nozzle urceolus (2), high temperature resistant nozzle (3), tuber pipe (4) and whirlwind water conservancy diversion piece (5), its characterized in that: the burner outer cylinder (2) is sleeved on the burner inner cylinder (1), the upper end and the lower end of the burner outer cylinder (2) are respectively provided with an air pipe (4), the part surface of the burner inner cylinder (1) located in the burner outer cylinder (2) is provided with a high-temperature-resistant burner (3), and the part surface of the burner inner cylinder (1) located in the burner outer cylinder (2) is also provided with cyclone flow deflectors (5).
2. The negative pressure burner of claim 1, wherein: one of the air pipes (4) is an air inlet pipe, and the other air pipe (4) is an air outlet pipe.
3. The negative pressure burner of claim 1, wherein: the included angle between the cyclone flow deflector (5) and the central line of the inner burner barrel (1) is 12 degrees.
4. The negative pressure burner of claim 1, wherein: the cyclone flow deflectors (5) are distributed on the surface of the inner burner barrel (1) in a circular and equal manner.
5. The negative pressure burner of claim 1, wherein: the outer burner cylinder (2) is axisymmetric with the central line of the inner burner cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148382.4A CN112344328A (en) | 2020-10-23 | 2020-10-23 | Negative pressure nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148382.4A CN112344328A (en) | 2020-10-23 | 2020-10-23 | Negative pressure nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112344328A true CN112344328A (en) | 2021-02-09 |
Family
ID=74360135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011148382.4A Pending CN112344328A (en) | 2020-10-23 | 2020-10-23 | Negative pressure nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112344328A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067495A (en) * | 2007-06-12 | 2007-11-07 | 上海诺特飞博燃烧设备有限公司 | Industrial combustor gas fuel and combustion-supporting air supermixing method and device thereof |
| CN101131235A (en) * | 2007-09-12 | 2008-02-27 | 北京科技大学 | Combustor implementing ultra-low oxidized burning loss during heating steel billet |
| CN201916905U (en) * | 2010-12-22 | 2011-08-03 | 武汉理工大学 | Double-gas-mixing type gas oxygen-enrichment energy-saving combustor for ceramic kiln |
| CN109579009A (en) * | 2019-01-16 | 2019-04-05 | 唐山冀东石油机械有限责任公司 | The burner apparatus of low-nitrogen oxide discharging |
| CN209991448U (en) * | 2019-06-14 | 2020-01-24 | 郴州华峰能源科技有限公司 | Straw combustion machine |
| CN213599363U (en) * | 2020-10-23 | 2021-07-02 | 郴州华峰能源科技有限公司 | Negative pressure nozzle |
-
2020
- 2020-10-23 CN CN202011148382.4A patent/CN112344328A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067495A (en) * | 2007-06-12 | 2007-11-07 | 上海诺特飞博燃烧设备有限公司 | Industrial combustor gas fuel and combustion-supporting air supermixing method and device thereof |
| CN101131235A (en) * | 2007-09-12 | 2008-02-27 | 北京科技大学 | Combustor implementing ultra-low oxidized burning loss during heating steel billet |
| CN201916905U (en) * | 2010-12-22 | 2011-08-03 | 武汉理工大学 | Double-gas-mixing type gas oxygen-enrichment energy-saving combustor for ceramic kiln |
| CN109579009A (en) * | 2019-01-16 | 2019-04-05 | 唐山冀东石油机械有限责任公司 | The burner apparatus of low-nitrogen oxide discharging |
| CN209991448U (en) * | 2019-06-14 | 2020-01-24 | 郴州华峰能源科技有限公司 | Straw combustion machine |
| CN213599363U (en) * | 2020-10-23 | 2021-07-02 | 郴州华峰能源科技有限公司 | Negative pressure nozzle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210209 |