CN211814224U - Low-screen residue carbon black reaction furnace - Google Patents
Low-screen residue carbon black reaction furnace Download PDFInfo
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- CN211814224U CN211814224U CN202020050307.3U CN202020050307U CN211814224U CN 211814224 U CN211814224 U CN 211814224U CN 202020050307 U CN202020050307 U CN 202020050307U CN 211814224 U CN211814224 U CN 211814224U
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Abstract
The utility model provides a low screen residue carbon black reacting furnace, including carbon black reacting furnace body, carbon black reacting furnace body one end is connected with the oxidant and gets into the cavity, and the other end is carbon black export, its characterized in that: the oxidant inlet cavity is inserted with a fuel hydrocarbon inlet cavity coaxial with the oxidant inlet cavity, and the radial circumference of the tail end of the fuel hydrocarbon inlet cavity is provided with a fuel hydrocarbon ejection hole; the fuel hydrocarbon inlet cavity is inserted with a raw material hydrocarbon inlet cavity coaxial with the fuel hydrocarbon inlet cavity, and the tail end of the raw material hydrocarbon inlet cavity is axially provided with a raw material hydrocarbon ejection hole. The utility model discloses make raw materials hydrocarbon spout into the position and arrange at the middle part of fuel hydrocarbon flame, adopt high temperature flame parcel raw materials hydrocarbon, isolated raw materials hydrocarbon and the contact of reacting furnace inner wall reduce carbon black formation in-process carbon coke production, improve carbon black product quality.
Description
Technical Field
The utility model relates to a carbon black production technical field specifically is a low sieve excess carbon black reacting furnace.
Background
Furnace carbon black is produced by using gaseous hydrocarbon, liquid hydrocarbon or their mixture as material, feeding proper amount of air, forming a closed turbulent system inside the reactor, burning partial hydrocarbon and air to produce high temperature and cracking the other part to produce carbon black. Carbon black is a black powdery substance obtained by incomplete combustion or pyrolysis of hydrocarbons in a gaseous phase under strictly controlled process conditions, the main component of which is elemental carbon and contains a small amount of oxygen, hydrogen, sulfur, and the like. The carbon black particles are approximately spherical and have a particle diameter of 10-500 mu m. The carbon black product is used in rubber processing and is added into rubber as reinforcing agent and filler through mixing.
The common furnace carbon black reaction furnace technology is that raw material hydrocarbon is injected at the rear part of the flame formation of fuel hydrocarbon, and the defect is that the raw material hydrocarbon is easy to generate carbon coke at the rear part of high-temperature flame, thereby influencing the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide a low surplus carbon black reacting furnace of sieve, raw materials hydrocarbon spouts the position and arranges at the middle part of fuel hydrocarbon flame, adopts high temperature flame parcel raw materials hydrocarbon, and isolated raw materials hydrocarbon and the contact of reacting furnace inner wall reduce carbon black formation in-process carbon coke production, improve carbon black product quality.
The utility model provides a low screen residue carbon black reacting furnace, including the carbon black reacting furnace body, carbon black reacting furnace body one end is connected with the oxidant and gets into the cavity, and the other end is the carbon black export. The oxidant inlet cavity is inserted with a fuel hydrocarbon inlet cavity coaxial with the oxidant inlet cavity, and the radial circumference of the tail end of the fuel hydrocarbon inlet cavity is provided with a fuel hydrocarbon ejection hole; the fuel hydrocarbon inlet cavity is inserted with a raw material hydrocarbon inlet cavity coaxial with the fuel hydrocarbon inlet cavity, and the tail end of the raw material hydrocarbon inlet cavity is axially provided with a raw material hydrocarbon ejection hole.
In a further improvement, the fuel hydrocarbon ejecting holes are arranged along the axial direction in a plurality of rows, the number of the rows is 3-6, and 6-8 holes are uniformly arranged along the circumference of each row.
The further improvement is that the diameter of the raw material hydrocarbon entering cavity is D1, the diameter of the fuel hydrocarbon entering cavity is D2, the diameter of the oxidant entering cavity is D3, the length of the part of the raw material hydrocarbon entering cavity inserted into the furnace body of the carbon black reaction furnace is L1, the distance from the tail end of the raw material hydrocarbon entering cavity to the carbon black outlet is L2, and then L2/D4 is 1.5-5; L2/L1 is 3-5; D3/D2 is 4-6; D2/D1 is 2-3.
The utility model also provides a low screen residue carbon black reaction method, make raw materials hydrocarbon spout the position and arrange at the middle part of fuel hydrocarbon flame, adopt high temperature flame parcel raw materials hydrocarbon, isolated raw materials hydrocarbon and the contact of reacting furnace inner wall.
The reaction comprises the following specific processes:
1) the fuel hydrocarbon enters the cavity through the fuel hydrocarbon and is sprayed out from the fuel hydrocarbon spraying hole, and is mixed with the oxidant entering the cavity and then is ignited to form high-temperature flue gas flow for combustion,
2) the raw material hydrocarbon enters the raw material hydrocarbon ejection hole of the cavity through the raw material hydrocarbon and is ejected to form a raw material hydrocarbon fluid, the raw material hydrocarbon fluid is wrapped in the coaxial center by the high-temperature flue gas flow, simultaneously, heat is instantly and quickly transferred to the raw material hydrocarbon fluid, and the raw material hydrocarbon fluid generates carbon black after being heated
3) The carbon black flows out of the carbon black outlet and is collected by a conventional carbon black collecting mode.
The utility model has the advantages that: the spraying position of the raw material hydrocarbon is arranged in the middle of the fuel hydrocarbon flame, the raw material hydrocarbon is wrapped by the high-temperature flame, the raw material hydrocarbon is isolated from contacting with the inner wall of the reaction furnace, the generation of carbon coke in the carbon black generation process is reduced, and the quality of carbon black products is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model provides a low screen residue carbon black reacting furnace, the structure is as shown in figure 1, including the carbon black reacting furnace body, carbon black reacting furnace body one end is connected with the oxidant and gets into cavity 3, and the other end is carbon black export 9. The oxidant inlet 3 is inserted with a fuel hydrocarbon inlet cavity 2 which is coaxial with the oxidant inlet 3, and the radial circumference of the tail end of the fuel hydrocarbon inlet cavity 2 is provided with a fuel hydrocarbon ejection hole 5; the fuel hydrocarbon inlet cavity 2 is inserted with a raw material hydrocarbon inlet cavity 1 which is coaxial with the fuel hydrocarbon inlet cavity 2, and the tail end of the raw material hydrocarbon inlet cavity 1 is axially provided with a raw material hydrocarbon ejection hole.
In a further improvement, the fuel hydrocarbon ejection holes 5 are arranged along the axial direction in a plurality of rows, the number of the rows is 3-6, and 6-8 holes are uniformly arranged along the circumference of each row.
The further improvement is that the diameter of the raw material hydrocarbon entering cavity 1 is D1, the diameter of the fuel hydrocarbon entering cavity 2 is D2, the diameter of the oxidant entering cavity 3 is D3, the length of the part 8 of the raw material hydrocarbon entering cavity 1, which is inserted into the furnace body of the carbon black reaction furnace, is L1, the distance from the tail end of the raw material hydrocarbon entering cavity 1 to the carbon black outlet 9 is L2, and then L2/D4 is 1.5-5; L2/L1 is 3-5; D3/D2 is 4-6; D2/D1 is 2-3.
The utility model also provides a low screen residue carbon black reaction method, make raw materials hydrocarbon spout the position and arrange at the middle part of fuel hydrocarbon flame, adopt high temperature flame parcel raw materials hydrocarbon, isolated raw materials hydrocarbon and the contact of reacting furnace inner wall.
The reaction comprises the following specific processes:
1) the fuel hydrocarbon enters the cavity 2 through the fuel hydrocarbon and then is sprayed out from the fuel hydrocarbon spraying holes 5, and is mixed with the oxidant entering the cavity 3 and then is ignited to form a high-temperature flue gas flow 6,
2) the raw material hydrocarbon enters the raw material hydrocarbon ejection hole of the cavity 1 through the raw material hydrocarbon to be ejected to form a raw material hydrocarbon fluid 7, the raw material hydrocarbon fluid 7 is wrapped in the coaxial center by the high-temperature flue gas flow 6, meanwhile, heat is instantly and rapidly transferred to the raw material hydrocarbon fluid, and the raw material hydrocarbon fluid generates carbon black after being heated
3) The carbon black flows out of the carbon black outlet 9 and is collected by a conventional carbon black collecting means.
Three specific examples were selected and tested to produce 45 μm screen residue as follows:
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 (3)
1. The utility model provides a low screen residue carbon black reacting furnace, includes carbon black reacting furnace body, and carbon black reacting furnace body one end is connected with the oxidant and gets into the cavity, and the other end is the carbon black export, its characterized in that: the oxidant inlet cavity is inserted with a fuel hydrocarbon inlet cavity coaxial with the oxidant inlet cavity, and the radial circumference of the tail end of the fuel hydrocarbon inlet cavity is provided with a fuel hydrocarbon ejection hole; the fuel hydrocarbon inlet cavity is inserted with a raw material hydrocarbon inlet cavity coaxial with the fuel hydrocarbon inlet cavity, and the tail end of the raw material hydrocarbon inlet cavity is axially provided with a raw material hydrocarbon ejection hole.
2. The low screenplay carbon black reactor furnace of claim 1, wherein: the fuel hydrocarbon ejection holes are arranged along the axial direction in a plurality of rows, the number of the rows is 3-6, and 6-8 holes are uniformly arranged along the circumference of each row.
3. The low screenplay carbon black reactor furnace of claim 1, wherein: the diameter of a raw material hydrocarbon entering cavity is D1, the diameter of a fuel hydrocarbon entering cavity is D2, the diameter of an oxidant entering cavity is D3, the length of a part of the raw material hydrocarbon entering cavity, which is inserted into a carbon black reaction furnace body, is L1, the distance from the tail end of the raw material hydrocarbon entering cavity to a carbon black outlet is L2, and then L2/D4 is 1.5-5; L2/L1 is 3-5; D3/D2 is 4-6; D2/D1 is 2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020050307.3U CN211814224U (en) | 2020-01-10 | 2020-01-10 | Low-screen residue carbon black reaction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020050307.3U CN211814224U (en) | 2020-01-10 | 2020-01-10 | Low-screen residue carbon black reaction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211814224U true CN211814224U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020050307.3U Active CN211814224U (en) | 2020-01-10 | 2020-01-10 | Low-screen residue carbon black reaction furnace |
Country Status (1)
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| CN (1) | CN211814224U (en) |
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2020
- 2020-01-10 CN CN202020050307.3U patent/CN211814224U/en active Active
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