CN109777158A - A kind of new-type carbon black reacting furnace - Google Patents
A kind of new-type carbon black reacting furnace Download PDFInfo
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- CN109777158A CN109777158A CN201910162474.9A CN201910162474A CN109777158A CN 109777158 A CN109777158 A CN 109777158A CN 201910162474 A CN201910162474 A CN 201910162474A CN 109777158 A CN109777158 A CN 109777158A
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- carbon black
- direct expansion
- divergent segment
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- 239000006229 carbon black Substances 0.000 title claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 abstract description 10
- 230000035484 reaction time Effects 0.000 abstract description 4
- 150000003384 small molecules Chemical class 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 carbolineum Substances 0.000 description 1
- JUVGUSVNTPYZJL-UHFFFAOYSA-N chromium zirconium Chemical compound [Cr].[Zr] JUVGUSVNTPYZJL-UHFFFAOYSA-N 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Abstract
The invention discloses a kind of new-type carbon black reacting furnaces, including sequentially connected burning zone, trunnion section, conversion zone and cooling section；Conversion zone includes divergent segment and direct expansion section；Osculum one end of divergent segment is connect with trunnion section, and the one end great Kou is connect with direct expansion section, and the other end of direct expansion section is connect with cooling section；The end face diameter of the one end divergent segment great Kou is less than the diameter of section of direct expansion section.Using above-mentioned design, divergent segment can increase the flow velocity of flue gas in horn-like design and improve interparticle collision in carbon black generating process, and then the direct expansion section of divergent segment design can make high temperature gas flow flow velocity not continue to increase, so that the high temperature gas flow flow velocity by speedup is appropriate, and then extend the reaction time, nucleus is advantageously formed, production of carbon black efficiency is improved；The junction of divergent segment and direct expansion section is since there are pressure differences, so as to further promote the collision between carbon black small molecule.The present invention improves the quality of carbon black, and sieve residue and ash content are lower, and carbon black tint strength is high.
Description
Technical field
The present invention relates to carbon black production technology field, in particular to a kind of new-type carbon black reacting furnace.
Background technique
Carbon black is that feedstock oil (coal tar, carbolineum, ethylene bottom oil etc.) is endless under reacting furnace high temperature, the operating condition of high flow rate
What full burning generated.Most widely used equipment is six segmentation reacting furnaces in prior art production of carbon black comprising is sequentially connected
Burner, burning zone, trunnion section, six conversion zone, cooling section and stay segment parts.The working principle of the reacting furnace is: coal gas
Burning zone is entered by burner with air, then in burning zone completely burned, generates high-temperature high-speed airflow, subsequently enters trunnion section；
Feedstock oil is arranged through trunnion section at this time oil gun sprays into trunnion section, then in trunnion section and conversion zone with the height from burning zone
Warm high-speed flow contact mixing, feedstock oil rapid vaporization are simultaneously cracked to form carbon black；Subsequent carbon black enters cooling section and is rapidly cooled,
Stay segment is entered back into, is prepared for next process (processes such as granulation, drying or collection of carbon black).
In the reaction generating process of carbon black, the probability of reaction time and collision determines the yield and quality of carbon black,
That is the construction of black reactor conversion zone has significant impact to the yield and quality of carbon black.Traditional black reactor is anti-
Answering section usually is in following design: 1, the conversion zone connecting with trunnion section is in flared trumpet shape；2, the conversion zone being connect with trunnion section
In hollow cylinder shape, and the diameter of section of conversion zone is greater than the diameter of section with trunnion section coupling part.
For the first in above two design method since conversion zone is in flared trumpet shape, high temperature gas flow flow velocity is too fast, exists
It is complete that part material fails abundant effecting reaction；In second of design due to conversion zone reaction chamber is big, high temperature gas flow flow velocity is slow,
Interparticle collision probability is small in carbon black generating process.There is the lower skill of carbon black quality that reaction generates in above two design
It is higher to be mainly manifested in low carbon black tint strength, sieve residue and content of ashes for art problem.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of new-type carbon black reacting furnaces, and conventional carbon black reacting furnace is overcome to react
Section design since reaction chamber is big, high temperature gas flow flow velocity is slow or too fast, interparticle collision probability is small in carbon black generating process,
The low technical problem of caused carbon black quality.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of new-type carbon black reacting furnace, including sequentially connected burning zone, trunnion section, conversion zone and cooling section；It is described anti-
Answering section includes divergent segment and direct expansion section；Osculum one end of the divergent segment is connect with trunnion section, and the one end great Kou is connect with direct expansion section,
The other end of the direct expansion section is connect with cooling section；The section that the end face diameter of the one end the divergent segment great Kou is less than direct expansion section is straight
Diameter.
Preferably, the ratio of the length of the direct expansion section and flaring segment length is 1-2.5:1.
More preferably, the ratio of the length of the direct expansion section and flaring segment length is 2:1.
Preferably, the cone angle of the divergent segment is 30-60 °.
Preferably, front, middle part and the rear portion of the trunnion section are equipped with oil gun.
Preferably, axial equidistantly distributed of the oil gun along trunnion section.
Preferably, the oil gun is provided with 6 either 8, and the front of the trunnion section, middle part and rear portion setting
Oil gun projection be overlapped.
Preferably, the burning zone, trunnion section, conversion zone and cooling section inner wall from inside to outside successively include that zirconium chromium is rigid
Beautiful layer and alumina hollow ball layer.
The beneficial effects of the present invention are:
Black reactor in the present invention, conversion zone include divergent segment and direct expansion section；Osculum one end of the divergent segment
It is connect with trunnion section, the one end great Kou is connect with direct expansion section；The end face diameter of the one end the divergent segment great Kou is less than cutting for direct expansion section
Face diameter.Using above-mentioned design, divergent segment can increase the flow velocity of flue gas in horn-like design and improve carbon black generating process
In interparticle collision, but and then divergent segment design direct expansion section high temperature gas flow flow velocity can be made not continue to increase again,
So that the high temperature gas flow flow velocity by speedup is appropriate, and then extends the reaction time, nucleus is advantageously formed, improves production of carbon black effect
Rate；The junction of divergent segment and direct expansion section is since there are pressure differences, so as to further promote the collision between carbon black small molecule.With
Black reactor in the prior art compares, and the present invention improves the quality of carbon black, and sieve residue and ash content are lower, carbon black coloring
Intensity is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of burning zone of the present invention, trunnion section and conversion zone.
In figure, 1- burning zone, 2- trunnion section, 3- conversion zone, 4- oil gun, 5- zirconium pink fused alumina layer, 6- alumina hollow ball layer,
30- divergent segment, 31- direct expansion section.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of new-type carbon black reacting furnace, including sequentially connected burning zone 1, trunnion section 2, conversion zone 3 and cooling section；Burning
The structure of section 1, trunnion section 2 and conversion zone 3 is as shown in Figure 1, wherein the conversion zone 3 includes divergent segment 30 and direct expansion section 31, gradually
Expand section 30 in horn-like, direct expansion section 31 is in hollow cylinder shape；Osculum one end of divergent segment 30 is connect with trunnion section 2, big mouth one
End is connect with direct expansion section 31, and the other end of the direct expansion section 31 is connect with cooling section；Cooling section is equally in hollow cylinder shape,
Diameter of section is identical as the diameter of section of direct expansion section 31；The end face diameter of described 30 one end great Kou of divergent segment is less than direct expansion section 31
Diameter of section, using the design, when so that entering in direct expansion section 31 from the high temperature gas flow that 30 one end great Kou of divergent segment comes out, by
In the junction of divergent segment 30 and direct expansion section 31, there are pressure differences, so as to further promote the collision between carbon black small molecule.It needs
It is noted that not showing conventional arrangement of burner, cooling section and stay segment, ability in black reactor in attached drawing of the present invention
It will be appreciated that above structure uses conventional design, the present invention does not make further to limit field technique personnel.
Preferably, the ratio of the length of the direct expansion section 31 and 30 length of divergent segment is 1-2.5:1.By the design,
On the one hand speedup can be carried out to the high temperature gas flow flow velocity in carbon black process, improves the collision between carbon black particle；Another party
Face under the conditions of the length ratio, and can extend the reaction time, advantageously form nucleus, improve production of carbon black efficiency.
More preferably, the ratio of the length of the direct expansion section 31 and 30 length of divergent segment is 2:1.
Preferably, the cone angle of the divergent segment 30 is 30-60 °.Cone angle design is lesser words, the reacting furnace high temperature
Airflow channel is then more narrow；If cone angle design is larger, then make the volume of the reacting furnace excessively huge；Cone angle it is too small or
Person be it is excessive, be unfavorable for producing.
Preferably, front, middle part and the rear portion of the trunnion section 2 are equipped with oil gun 4.By the design, using multiple spot
The mode of oil spout, multistage combustion is conducive to further decrease sieve residue content so that reaction is more sufficiently, uniformly.
Preferably, axial equidistantly distributed of the oil gun 4 along trunnion section 2.
Preferably, the oil gun 4 is provided with 6 either 8, and front, middle part and the rear portion of the trunnion section 2 are set
The projection of oil gun 4 set is overlapped.Using the design, it is ensured that feedstock oil has enough penetration powers and covering surface, is conducive to original
Mist of oil is expected, to improve the formation efficiency of carbon black.
Preferably, the burning zone 1, trunnion section 2, conversion zone 3 and cooling section inner wall from inside to outside successively include zirconium
Pink fused alumina layer 5 and alumina hollow ball layer 6.
Specific embodiment 1
High-quality YFG501, YFG502 and YF503 carbon black is produced respectively using the black reactor in the present invention, with routine
The analysis of reacting furnace comparision of production.
Main supplementary material: feedstock oil is carbolineum and carbon black oil；Fuel is coke-stove gas；During feedstock oil atomizing steam is selected as
Press steam；Its specific main technologic parameters control is as shown in the table:
One production technology state modulator table of table
Two carbon black final product quality of table requires table
The carbon black final product quality table of three conventional carbon black reacting furnace of table production
The carbon black final product quality table of the new-type carbon black reacting furnace of table four production
From in above-mentioned table as can be seen that application the present invention in black reactor production high-quality YFG501, YFG502 and
YF503 carbon black, final product quality are preferable compared with the carbon black for the above-mentioned model that conventional carbon black reacting furnace produces, and product quality fully meets matter
Figureofmerit requirement, and also there is situation not up to standard in above-mentioned model carbon black even some indexs of conventional carbon black reacting furnace production.
Quality index is mainly reflected in: oil factor is higher, 45um sieve residue and content of ashes are lower.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (8)
1. a kind of new-type carbon black reacting furnace, including sequentially connected burning zone (1), trunnion section (2), conversion zone (3) and cooling section；
It is characterized by: the conversion zone (3) includes divergent segment (30) and direct expansion section (31)；Osculum one end of the divergent segment (30) with
Trunnion section (2) connection, the one end great Kou are connect with direct expansion section (31), and the other end of the direct expansion section (31) is connect with cooling section；Institute
The end face diameter for stating divergent segment (30) one end great Kou is less than the diameter of section of direct expansion section (31).
2. a kind of new-type carbon black reacting furnace according to claim 1, it is characterised in that: the length of the direct expansion section (31) with
The ratio of divergent segment (30) length is 1-2.5:1.
3. a kind of new-type carbon black reacting furnace according to claim 2, it is characterised in that: the length of the direct expansion section (31) with
The ratio of divergent segment (30) length is 2:1.
4. a kind of new-type carbon black reacting furnace according to claim 2, it is characterised in that: the cone angle of the divergent segment (30) is
30-60°。
5. a kind of new-type carbon black reacting furnace according to claim 4, it is characterised in that: the front of the trunnion section (2), in
Portion and rear portion are equipped with oil gun (4).
6. a kind of new-type carbon black reacting furnace according to claim 5, it is characterised in that: the oil gun (4) is along trunnion section (2)
Axial equidistantly distributed.
7. a kind of new-type carbon black reacting furnace according to claim 6, it is characterised in that: the oil gun (4) is respectively arranged with 6
It is a or 8, and oil gun (4) projection of the front of the trunnion section (2), middle part and rear portion setting is overlapped.
8. a kind of new-type carbon black reacting furnace according to any one of claims 1 to 7, it is characterised in that: the burning zone
(1), the inner wall of trunnion section (2), conversion zone (3) and cooling section successively includes that zirconium pink fused alumina layer (5) and aluminium oxide are empty from inside to outside
Bulbus cordis layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162474.9A CN109777158A (en) | 2019-03-05 | 2019-03-05 | A kind of new-type carbon black reacting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162474.9A CN109777158A (en) | 2019-03-05 | 2019-03-05 | A kind of new-type carbon black reacting furnace |
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| Publication Number | Publication Date |
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| CN109777158A true CN109777158A (en) | 2019-05-21 |
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| CN201910162474.9A Pending CN109777158A (en) | 2019-03-05 | 2019-03-05 | A kind of new-type carbon black reacting furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330816A (en) * | 2019-07-26 | 2019-10-15 | 邯郸黑猫炭黑有限责任公司 | A kind of formula oil and preparation method thereof for production of carbon black |
| CN110408242A (en) * | 2019-08-22 | 2019-11-05 | 乌海黑猫炭黑有限责任公司 | It is a kind of for efficiently producing the double-burner reacting furnace of special carbon black |
| CN110511599A (en) * | 2019-09-04 | 2019-11-29 | 山西三强新能源科技有限公司 | Hard (carbon) black reacting furnace |
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