CN220038450U - Combustion nozzle for preparing carbon black by mixing benzene and acetylene - Google Patents
Combustion nozzle for preparing carbon black by mixing benzene and acetylene Download PDFInfo
- Publication number
- CN220038450U CN220038450U CN202321014079.4U CN202321014079U CN220038450U CN 220038450 U CN220038450 U CN 220038450U CN 202321014079 U CN202321014079 U CN 202321014079U CN 220038450 U CN220038450 U CN 220038450U
- Authority
- CN
- China
- Prior art keywords
- acetylene
- benzene
- gas inlet
- carbon black
- inlet pipeline
- 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
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 title claims abstract description 111
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title claims abstract description 41
- 239000006229 carbon black Substances 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000012495 reaction gas Substances 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 239000005997 Calcium carbide Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 monocyclic aromatic hydrocarbon Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The utility model discloses a combustion nozzle for preparing carbon black by mixing benzene and acetylene, which comprises an acetylene gas inlet pipeline, a benzene gas inlet pipeline and a reaction gas inlet device; the reaction gas inlet device comprises an outer pipe and an inner pipe, the inner pipe is connected with a benzene gas inlet pipeline, and the outer pipe is connected with an acetylene gas inlet pipeline; the inner diameter of the inner pipe and the inner diameter of the outer pipe are gradually reduced at the position close to the air outlet of the inner pipe, but the inner diameter of the outer pipe suddenly increases at the position of the air outlet of the inner pipe to form a mixing bin, benzene and acetylene are fully mixed in the mixing bin, and the other end of the mixing bin is connected with an air jet pipe which jets gas into the cracking furnace, so that carbon black is prepared. Through the inner diameter of the inner pipe and the inner diameter of the outer pipe become smaller gradually and then the outer pipe becomes larger suddenly to form a mixing bin, benzene and acetylene are fully mixed in the mixing bin, and then the mixture enters into exothermic reaction, so that the effect of fully reacting acetylene and benzene is achieved.
Description
Technical Field
The utility model relates to the technical field of carbon black preparation, in particular to a combustion nozzle for preparing carbon black by mixing benzene and acetylene.
Background
The traditional acetylene black is produced by reacting calcium carbide with water to produce acetylene, and pyrolyzing the acetylene to produce the carbon black. However, the yield of acetylene black produced by using calcium carbide is low, so that the cost of the method for producing the carbon black by using the calcium carbide is high.
The Chinese patent document (CN 115181434A) discloses a process and a device for preparing carbon black by mixing benzene and acetylene, wherein acetylene gas and gas monocyclic aromatic hydrocarbon are used as raw materials for preparing the carbon black, and the process replaces a part of acetylene gas by the gas monocyclic aromatic hydrocarbon to realize the production of the carbon black, so that the production cost of the carbon black is reduced, and on the basis, how to control the proportion of the benzene and the acetylene gas and how to better mix the benzene and the acetylene gas is a problem which needs to be solved at present because the quality of the prepared carbon black is influenced.
Disclosure of Invention
In view of the above-described problems in the background art, the present utility model provides a combustion nozzle for mixing benzene and acetylene to prepare carbon black, which aims to allow benzene and acetylene to be sufficiently mixed.
In order to achieve the above object, the present utility model provides the following solutions: the combustion nozzle for preparing carbon black by mixing benzene and acetylene comprises an acetylene gas inlet pipeline, a benzene gas inlet pipeline and a reaction gas inlet device; the reaction gas inlet device comprises an outer pipe and an inner pipe, the inner pipe is connected with a benzene gas inlet pipeline, and the outer pipe is connected with an acetylene gas inlet pipeline; the inner diameter of the inner pipe and the inner diameter of the outer pipe are gradually reduced at the position close to the air outlet of the inner pipe, but the inner diameter of the outer pipe suddenly increases at the position of the air outlet of the inner pipe to form a mixing bin, benzene and acetylene are fully mixed in the mixing bin, and the other end of the mixing bin is connected with an air jet pipe which jets gas into the cracking furnace, so that carbon black is prepared.
Further, the air outlet end of the air jet pipe is arranged in a horn shape.
Further, the diameter of the air inlet end of the inner tube is 6mm-10mm, and the diameter of the air inlet end of the outer tube is 55 mm-65 mm.
Further, the acetylene gas inlet pipeline and the benzene gas inlet pipeline are provided with a flowmeter and a control valve.
The utility model has the technical effects that: according to the combustion nozzle for preparing carbon black by mixing benzene and acetylene, the inner diameters of the inner pipe and the outer pipe are gradually reduced, and then the outer pipe is suddenly enlarged to form the mixing bin, so that the benzene and the acetylene are fully mixed in the mixing bin, and then enter into an exothermic reaction, and the effect of fully reacting the acetylene and the benzene is achieved.
Drawings
FIG. 1 is a schematic diagram of a combustion nozzle for preparing carbon black by mixing benzene and acetylene according to the present utility model;
in the figure, an acetylene gas inlet pipeline, a benzene gas inlet pipeline, a reaction gas inlet device, an outer pipe, an inner pipe, a gas outlet, a mixing bin, an air jet pipe, a flowmeter and a control valve are respectively arranged in sequence, wherein the acetylene gas inlet pipeline, the benzene gas inlet pipeline, the reaction gas inlet device, the outer pipe, the inner pipe, the gas outlet, the mixing bin, the air jet pipe and the control valve are respectively arranged in sequence, and the mixing bin, the air jet pipe, the flowmeter and the control valve are respectively arranged in sequence.
Detailed Description
In order that the manner in which the utility model is practiced, as well as the features and objects and advantages thereof, will be readily apparent from the accompanying drawings, detailed description of the utility model which follow.
Referring to fig. 1, the combustion nozzle for preparing carbon black by mixing benzene and acetylene provided by the utility model comprises an acetylene gas inlet pipeline 1, a benzene gas inlet pipeline 2 and a reaction gas inlet device 3; the reaction gas inlet device 3 comprises an outer tube 31 and an inner tube 32, the inner tube 32 is connected with the benzene gas inlet pipeline 2, and the outer tube 31 is connected with the acetylene gas inlet pipeline 1; at the position close to the air outlet 321 of the inner tube 32, the inner diameters of the inner tube 32 and the outer tube 31 are gradually reduced, but at the position of the air outlet 321 of the inner tube 32, the inner diameter of the outer tube is suddenly increased to form a mixing bin 33, benzene and acetylene are fully mixed in the mixing bin, the other end of the mixing bin 33 is connected with an air jet tube 34, and the air outlet end of the air jet tube 34 is arranged in a horn shape; the gas lance 34 injects a gas into the pyrolysis furnace to produce carbon black.
Preferably, the diameter of the air inlet end of the inner tube 32 is 6mm-10mm, and the diameter of the air inlet end of the outer tube 31 is 55 mm-65 mm.
Preferably, the acetylene gas inlet pipeline 1 and the benzene gas inlet pipeline 2 are provided with a flowmeter 4 and a control valve 5.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (4)
1. The combustion nozzle for preparing carbon black by mixing benzene and acetylene is characterized by comprising an acetylene gas inlet pipeline (1), a benzene gas inlet pipeline (2) and a reaction gas inlet device (3); the reaction gas inlet device (3) comprises an outer tube (31) and an inner tube (32), the inner tube (32) is connected with a benzene gas inlet pipeline (2), and the outer tube (31) is connected with an acetylene gas inlet pipeline (1); at the position close to the air outlet of the inner tube (32), the inner diameters of the inner tube (32) and the outer tube (31) are gradually reduced, but at the air outlet (321) of the inner tube (32), the inner diameter of the outer tube (31) is suddenly increased to form a mixing bin (33), and the other end of the mixing bin (33) is connected with an air ejector tube (34).
2. The burner nozzle for the preparation of carbon black by mixing benzene and acetylene according to claim 1, wherein the gas outlet end of the gas lance (34) is provided in a horn shape.
3. The burner nozzle for the preparation of carbon black by mixing benzene and acetylene according to claim 1, wherein the diameter of the inlet end of the inner tube (32) is 6mm to 10mm, and the diameter of the inlet end of the outer tube (31) is 55mm to 65mm.
4. The combustion nozzle for preparing carbon black by mixing benzene and acetylene according to claim 1, wherein a flowmeter (4) and a control valve (5) are arranged on the acetylene gas inlet pipeline (1) and the benzene gas inlet pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014079.4U CN220038450U (en) | 2023-04-28 | 2023-04-28 | Combustion nozzle for preparing carbon black by mixing benzene and acetylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014079.4U CN220038450U (en) | 2023-04-28 | 2023-04-28 | Combustion nozzle for preparing carbon black by mixing benzene and acetylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038450U true CN220038450U (en) | 2023-11-17 |
Family
ID=88727630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321014079.4U Active CN220038450U (en) | 2023-04-28 | 2023-04-28 | Combustion nozzle for preparing carbon black by mixing benzene and acetylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038450U (en) |
-
2023
- 2023-04-28 CN CN202321014079.4U patent/CN220038450U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100534893C (en) | Nozzle for preparing synthesized gas by partial oxidation of liquid fuel | |
| CN112607705B (en) | Steam methane reforming hydrogen production device and process | |
| PL1489145T3 (en) | Process for producing Furnace Black | |
| KR101864901B1 (en) | Carbon black reactor | |
| CN1928431A (en) | Beaming type gasification or combustion nozzle and its industrial use | |
| CN220038450U (en) | Combustion nozzle for preparing carbon black by mixing benzene and acetylene | |
| CN1762800A (en) | Process and apparatus for oxygenation and cyclic utilization of reaction tail gas from active carbon activation | |
| CN205062000U (en) | A multichannel nozzle for having more first ground paste gasification reaction ware | |
| CN100535517C (en) | Multi-channel liquid stage fuel partial oxidation generating synthesis gas burner and uses thereof | |
| CN105112104B (en) | It is a kind of for multi-channel nozzle of polynary slurry gasification reactor and application thereof | |
| CN105441137A (en) | Gasification reactor | |
| CN202359057U (en) | Hard carbon black reaction furnace applicable to coal tar material | |
| CN211035229U (en) | Reaction material input mechanism matched with integrated reforming hydrogen production device | |
| CN201834888U (en) | Incomplete burner for gasifying, heating and feeding pulverized coal at atmospheric pressure | |
| CN210434326U (en) | Dilution steam mixer | |
| CN216890134U (en) | Calcium carbonate carbonizing apparatus | |
| CN112899030A (en) | Method and equipment for preparing synthesis gas by blending, pressurizing and gasifying pulverized coal-natural gas | |
| CN101948699A (en) | Method and device for preparing water gas by using wastewater and gasification of partial semi-coke powder | |
| CN211814224U (en) | Low-screen residue carbon black reaction furnace | |
| CN209890527U (en) | Single-furnace reaction furnace for producing semi-reinforced carbon black | |
| CN219473730U (en) | Waste liquid spray gun for acid burning and firing process | |
| CN108218653B (en) | Method for producing acetylene and synthesis gas by partial oxidation of hydrocarbon | |
| CN204752637U (en) | Protruding formula subregion reactor | |
| CN102829477B (en) | Nozzle of hydrogen production reforming furnace | |
| CN209816006U (en) | Coke oven gas reaction furnace for producing hard carbon black |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |