CN211814226U - Carbon black reaction furnace - Google Patents
Carbon black reaction furnace Download PDFInfo
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- CN211814226U CN211814226U CN202020051762.5U CN202020051762U CN211814226U CN 211814226 U CN211814226 U CN 211814226U CN 202020051762 U CN202020051762 U CN 202020051762U CN 211814226 U CN211814226 U CN 211814226U
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Abstract
The utility model provides a carbon black reacting furnace, constitute by coaxial nested three-layer pipe, from outer to interior raw material hydrocarbon pipe in proper order, oxidant pipe and fuel hydrocarbon pipe, each layer pipe sets up the multirow respectively and corresponds the hole, the hole on every layer pipe is radially coaxial at the pipe, two rows of holes stagger the angle on the circumference around adjacent, the clearing hole gets into the oxidant pipe behind the fuel hydrocarbon gets into the fuel hydrocarbon pipe, the oxidant gets into and joins and burns into the cavity that flame clearing hole got into raw material hydrocarbon pipe with fuel hydrocarbon after the oxidant pipe gets into the oxidant pipe, raw material hydrocarbon gets into the intraductal cavity of raw material hydrocarbon and joins with burning flame from the hole on the raw material hydrocarbon pipe, join back raw material hydrocarbon and be heated the reaction and become carbon black and through the terminal outflow of raw material hydrocarbon pipe. The utility model discloses a reaction furnace embeds burning and reacts multistage to spouting the method, implements low temperature method production carbon black, reaches to reduce the production of reaction furnace coke grain, improves product quality purpose.
Description
Technical Field
The utility model relates to a carbon black apparatus for producing field specifically is a carbon black reacting furnace.
Background
In the furnace carbon black production process, a carbon black reaction furnace is a core device in the carbon black production process, and the temperature in the reaction process of the conventional furnace carbon black reaction furnace generally runs within the range of 1250-1900 ℃.
When the temperature of the conventional furnace carbon black reaction furnace in the reaction process is lower than 1250 ℃, in the endothermic cracking process of raw material hydrocarbon entering the reaction furnace, part of the raw material hydrocarbon can generate coke particles due to insufficient heat absorption, which affects the quality of carbon black products, and in the more serious process, the coke particles are accumulated on the inner wall of the reaction furnace and gradually increase, so that the inner cavity of the reaction furnace is filled, and the reaction furnace can not normally run.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide a carbon black reacting furnace and, adopt the built-in burning of reacting furnace and the multistage spouting method of reaction, implement low temperature method production carbon black, reach the purpose that improves the product yield.
The utility model discloses constitute by coaxial nested three-layer pipe, from outer to interior raw materials hydrocarbon pipe in proper order, oxidant pipe and fuel hydrocarbon pipe, each layer pipe sets up the multirow respectively and corresponds the hole, the hole on every layer pipe is coaxial in the footpath of pipe, two rows of holes stagger the angle on the circumference around adjacent, the fuel hydrocarbon gets into behind the fuel hydrocarbon pipe clearing hole and gets into the oxidant pipe, the oxidant gets into and joins and burns into the cavity that flame clearing hole got into the raw materials hydrocarbon pipe with fuel hydrocarbon after the oxidant pipe gets into the oxidant pipe, raw materials hydrocarbon gets into the intraductal cavity of raw materials hydrocarbon and joins with burning flame from the hole on the raw materials hydrocarbon pipe, join the back raw materials hydrocarbon and be heated to react into carbon black and through the terminal outflow of raw.
In a further improvement, the staggered angle of the adjacent front and back rows of holes on the circumference is 30-60 degrees, preferably 45 degrees.
In a further improvement, the fuel hydrocarbon nozzles 4 in the fuel hydrocarbon pipes 1 are composed of a plurality of rows, preferably 4 to 10 rows. 3-6 nozzles are uniformly arranged on each row of circumference, and fuel hydrocarbon in the nozzles is radially sprayed from the axial center to the circumference.
In a further improvement, the oxidant jet holes in the oxidant tube 2 are composed of a plurality of rows, and the number of the rows is preferably 4-10. 3-6 nozzles are uniformly arranged on the circumference of each row, and the oxidant in the nozzles is radially sprayed from the axis to the circumference.
In a further improvement, the raw hydrocarbon spray holes in the raw hydrocarbon pipe 3 are composed of a plurality of rows, and the number of rows is preferably 4-10. 3-6 nozzles are uniformly arranged on the circumference of each row, and raw material hydrocarbon in the nozzles is radially sprayed from the circumference to the axis.
In a further modification, the temperature in the chamber 7 which comes into contact with the fuel hydrocarbon flame after the feed hydrocarbon is introduced is referred to as the reaction temperature. The reaction temperature is preferably 900-1250 ℃.
The utility model also provides a carbon black reacting furnace's reaction method, fuel hydrocarbon gets into behind the fuel hydrocarbon pipe clearing hole entering oxidant pipe, joins and burns into the cavity that flame clearing hole got into raw materials hydrocarbon pipe with fuel hydrocarbon after the oxidant gets into the oxidant pipe, and raw materials hydrocarbon gets into the intraductal cavity of raw materials hydrocarbon and combustion flame from the hole on the raw materials hydrocarbon pipe and joins, joins back raw materials hydrocarbon and is heated the reaction and become carbon black and through the terminal outflow of raw materials hydrocarbon pipe.
The utility model has the advantages that: the method adopts a reaction furnace built-in combustion and reaction multi-stage opposite spraying method to produce the carbon black by implementing a low-temperature method, thereby achieving the purpose of improving the product yield.
Drawings
Fig. 1 is an internal cross-sectional view of the present invention.
FIG. 2 is a cross-sectional view of A-A, C-C, E-E of FIG. 1.
FIG. 3 is a cross-sectional view of B-B, D-D, F-F of FIG. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The utility model relates to a concrete embodiment is shown in fig. 1, comprises coaxial nested three-layer pipe, is raw materials hydrocarbon pipe 3, oxidant pipe 2 and fuel hydrocarbon pipe 1 from outer to interior in proper order, and the hole on every layer of pipe is coaxial in the footpath of pipe, and adjacent two rows of holes stagger certain angle M on the circumference around, and M is 30-60 scope, preferred 45.
The staggered angle of the adjacent front and back rows of holes on the circumference is 30-60 degrees, preferably 45 degrees.
The fuel hydrocarbon nozzles 4 in the fuel hydrocarbon pipes 1 are composed of a plurality of rows, and the number of rows is preferably 4-10. 3-6 nozzles are uniformly arranged on each row of circumference, and fuel hydrocarbon in the nozzles is radially sprayed from the axial center to the circumference.
The oxidant jet holes in the oxidant tube 2 are composed of a plurality of rows, and the row number is preferably 4-10 rows. 3-6 nozzles are uniformly arranged on the circumference of each row, and the oxidant in the nozzles is radially sprayed from the axis to the circumference.
The hydrocarbon injection holes in the hydrocarbon feed pipe 3 are formed in a plurality of rows, preferably 4 to 10 rows. 3-6 nozzles are uniformly arranged on the circumference of each row, and raw material hydrocarbon in the nozzles is radially sprayed from the circumference to the axis.
The temperature inside the chamber 7 that comes into contact with the fuel hydrocarbon flame after the feed hydrocarbon enters is called the reaction temperature. The reaction temperature is preferably 900-1250 ℃.
The fuel hydrocarbon pipe 1 is provided with a fuel hydrocarbon inlet channel 1-1 on the axial direction and a plurality of rows of nozzles 4 on the radial direction, and the fuel hydrocarbon is sprayed out from the nozzles 4; the inner part of the oxidant pipe 2 is provided with an inner cavity 5, the axial direction is provided with an oxidant inlet channel 2-2, the radial direction is provided with a plurality of rows of spray holes 6, the oxidant enters the cavity 5, the fuel hydrocarbon is sprayed out from the nozzle 4 and then is converged with the oxidant of the spray holes 6, and the fuel hydrocarbon starts to be combusted into flame in the cavity 5 after being converged. The shaft of the raw material hydrocarbon pipe 3 is internally provided with a cavity 7, the shaft is provided with a carbon black outlet 9, the shaft is provided with a hole 8 in the radial direction, the raw material hydrocarbon enters the cavity 7 from the hole 8 and is converged with the combustion flame of the spray hole 6, and the converged raw material hydrocarbon is heated and reacts to form the carbon black. The carbon black flows out from the carbon black outlet 9 and is collected by a conventional collecting device.
Example 1
Example 2
Example 3
The utility model discloses the concrete application way is many, and the above-mentioned only is the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a scope of protection.
Claims (7)
1. A carbon black reacting furnace is characterized in that: the carbon black fuel is composed of three layers of tubes which are coaxially nested, a raw material hydrocarbon tube, an oxidant tube and a fuel hydrocarbon tube are sequentially arranged from outside to inside, each layer of tube is provided with a plurality of rows of corresponding holes, the holes on each layer of tube are coaxial in the radial direction of the tube, two adjacent rows of holes are staggered in angle on the circumference, the fuel hydrocarbon enters the fuel hydrocarbon tube and then enters the oxidant tube through the holes, the oxidant enters the oxidant tube and then joins with the fuel hydrocarbon and burns into flame, the flame enters a cavity of the raw material hydrocarbon tube through the holes on the raw material hydrocarbon tube and joins with the burning flame, and the raw material hydrocarbon is heated and reacts into carbon black and flows out through the tail end of the raw material hydrocarbon tube after joining.
2. The carbon black reaction furnace according to claim 1, characterized in that: the fuel hydrocarbon nozzles 4 in the fuel hydrocarbon pipe 1 are composed of a plurality of rows, the number of the rows is 4-10, 3-6 nozzles are evenly distributed on the circumference of each row, and the fuel hydrocarbon in the nozzles is sprayed from the axis to the circumference in the radial direction.
3. The carbon black reaction furnace according to claim 1, characterized in that: the oxidant jet holes in the oxidant pipe 2 are composed of a plurality of rows, the number of the rows is 4-10, 3-6 nozzles are uniformly distributed on the circumference of each row, and the oxidant in the nozzles is radially sprayed from the axis to the circumference.
4. The carbon black reaction furnace according to claim 1, characterized in that: the raw material hydrocarbon spray holes in the raw material hydrocarbon pipe 3 are composed of a plurality of rows, the number of the rows is 4-10, 3-6 nozzles are uniformly distributed on the circumference of each row, and the raw material hydrocarbon in the nozzles is sprayed from the circumference to the axial center in the radial direction.
5. The carbon black reaction furnace according to claim 1, characterized in that: the temperature inside the chamber 7, which is in contact with the fuel hydrocarbon flame after the introduction of the raw hydrocarbon, is referred to as a reaction temperature, which is preferably 900-1250 ℃.
6. The carbon black reaction furnace according to claim 1, characterized in that: the adjacent front and back rows of holes are staggered by an angle of 30-60 degrees on the circumference.
7. The carbon black reaction furnace according to claim 6, wherein: the adjacent front and back rows of holes are staggered by an angle of 45 degrees on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051762.5U CN211814226U (en) | 2020-01-10 | 2020-01-10 | Carbon black reaction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051762.5U CN211814226U (en) | 2020-01-10 | 2020-01-10 | Carbon black reaction furnace |
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| CN211814226U true CN211814226U (en) | 2020-10-30 |
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| CN202020051762.5U Active CN211814226U (en) | 2020-01-10 | 2020-01-10 | Carbon black reaction furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187526A (en) * | 2020-01-10 | 2020-05-22 | 无锡双诚炭黑科技股份有限公司 | Carbon black reaction furnace and reaction method thereof |
| CN112745700A (en) * | 2021-01-13 | 2021-05-04 | 无锡东恒新能源科技有限公司 | Method and apparatus for producing carbon black |
| CN117249682A (en) * | 2023-11-15 | 2023-12-19 | 山东耐斯特炭黑有限公司 | Carbon black reaction furnace |
-
2020
- 2020-01-10 CN CN202020051762.5U patent/CN211814226U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187526A (en) * | 2020-01-10 | 2020-05-22 | 无锡双诚炭黑科技股份有限公司 | Carbon black reaction furnace and reaction method thereof |
| CN112745700A (en) * | 2021-01-13 | 2021-05-04 | 无锡东恒新能源科技有限公司 | Method and apparatus for producing carbon black |
| CN117249682A (en) * | 2023-11-15 | 2023-12-19 | 山东耐斯特炭黑有限公司 | Carbon black reaction furnace |
| CN117249682B (en) * | 2023-11-15 | 2024-01-09 | 山东耐斯特炭黑有限公司 | Carbon black reaction furnace |
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