CN208732993U - A kind of reacting furnace of the suitable higher CDBP carbon black of production - Google Patents
A kind of reacting furnace of the suitable higher CDBP carbon black of production Download PDFInfo
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- CN208732993U CN208732993U CN201820976514.4U CN201820976514U CN208732993U CN 208732993 U CN208732993 U CN 208732993U CN 201820976514 U CN201820976514 U CN 201820976514U CN 208732993 U CN208732993 U CN 208732993U
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Abstract
The utility model discloses a kind of reacting furnaces of suitable higher CDBP carbon black of production of rubber grade carbon black production technical field, including distribution plenum, combustion chamber, trunnion section, reaction chamber and quench zone, the second arc structure is provided on the right side of first arc structure, the right side of second arc structure is connect with the left side of the trunnion section, air inlet is provided at the top of the distribution plenum, burning indoor type part is streamlined, closer to the shape of flame, air and fuel combustion chamber expand position burning after, into it is streamlined when, high-temperature gas is accelerated, due to reducing the influence of dog-ear, resistance suffered by high temperature gas flow is small, it is inevitable that trunnion section is entered with bigger speed, to the feedstock oil radially sprayed into sufficient atomizing, more primary particles are necessarily generated after feedstock oil gasification cracking, and due to air-flow Pressure, turbulivity are higher, substantially increase the CDBP of product.
Description
Technical field
The utility model relates to rubber grade carbon black production technical field, specially a kind of suitable higher CDBP carbon black of production
Reacting furnace.
Background technique
Rubber grade carbon black has three big characteristics: specific surface area, structure, surface-active, and wherein structure is the second largest spy of carbon black
Property.The structure of carbon black divides primary structure and secondary structure, and secondary structure is between carbon black agglomerate with the weak of Van der Waals force formation
Structural body, and primary structure is the structural body formed between agglomerate with strong chemical bond force, and CDBP and DBP are respectively intended to table
Levy the primary structure and secondary structure value of carbon black.
Carbon black raw oil is cracked into micro-molecular gas or ion under high temperature environment first, then these ions or
Molecule deposition nucleation, and form the primary particle of carbon black.Melt polymerization forms agglomerate, carbon black to these primary particles at high temperature
Primary structure just refer between these agglomerates and internal gap.The agglomerate of formation further rely on Van der Waals force into
Row aggregation, forms aggregation.Between aggregation and internal structure is unstable structure, is not belonging to permanent structure.So
Carbon black forms the brief moment after primary particle, if the primary particle concentration of system is higher, air-flow pressure is higher, turbulent flow
It spends larger, is just easier to form the higher agglomerate of primary structure i.e. CDBP；, whereas if the carbon black in system is primary at this time
Particle concentration is lower, and the pressure of air-flow is lower, turbulivity is lower, then is easier to form the lower agglomerate of CDBP.
However, for main oven process hard (carbon) black (especially super abrasive and middle super abrasive), in the prevalence of
CDBP relatively low phenomenon, and adjust means and also limited to very much.For this purpose, it is proposed that a kind of suitable production higher CDBP carbon black
Reacting furnace.
Utility model content
The purpose of this utility model is to provide a kind of reacting furnaces of suitable higher CDBP carbon black of production, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of higher CDBP carbon black of suitable production
Reacting furnace, including distribution plenum, combustion chamber, trunnion section, reaction chamber and quench zone, the distribution plenum, combustion chamber, trunnion section, reaction
The sequentially coaxially horizontal connection of room and quench zone forms a column, is provided with the first arc structure on the right side of the combustion chamber, and described the
It is provided with the second arc structure on the right side of one arc structure, is connected on the left of the right side of second arc structure and the trunnion section
It connects, is provided with air inlet at the top of the distribution plenum.
Preferably, the center of circle of first arc structure is arranged towards combustion chamber, and the center of circle of second arc structure is remote
It is arranged from combustion chamber.
Preferably, the quench zone is made using alumina hollow ball layer and white fused alumina brick layer.
Preferably, the white fused alumina brick layer is located at the inside of quench zone, and the alumina hollow ball layer is located at quench zone
It is external.
Preferably, the combustion chamber, trunnion section and reaction chamber are the double-layer structure of ectonexine, and internal layer is high temperature resistant
Layer, outer layer is thermal insulation layer.
Compared with prior art, the utility model has the beneficial effects that the utility model propose one kind be suitble to production compared with
The reacting furnace of high CDBP carbon black, burning indoor type part be it is streamlined, closer to the shape of flame, air and fuel are burning
Room expand position burning after, into it is streamlined when, high-temperature gas is accelerated, due to reducing the influence of dog-ear, high temperature gas flow
Suffered resistance is small, inevitable to enter trunnion section with bigger speed, to the feedstock oil radially sprayed into sufficient atomizing,
More primary particles are necessarily generated after feedstock oil gasification cracking, and since the pressure of air-flow, turbulivity are higher, are greatly improved
The CDBP of product.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is existing reacting furnace structural schematic diagram.
In figure: 1 distribution plenum, 2 combustion chambers, 3 trunnion sections, 4 reaction chambers, 5 quench zones, 6 air inlets, 7 first arc structures, 8
Second arc structure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of reaction of the suitable higher CDBP carbon black of production
Furnace, including distribution plenum 1, combustion chamber 2, trunnion section 3, reaction chamber 4 and quench zone 5, the distribution plenum 1, combustion chamber 2, trunnion section 3,
Reaction chamber 4 and the sequentially coaxially horizontal connection of quench zone 5 form a column, and the right side of the combustion chamber 2 is provided with the first arc structure
7, the second arc structure 8, the right side of second arc structure 8 and the trunnion are provided on the right side of first arc structure 7
The left side connection of section 3, the top of the distribution plenum 1 is provided with air inlet 6.
Wherein, the center of circle of first arc structure 7 is arranged towards combustion chamber 2, and the center of circle of second arc structure 8 is remote
It is arranged from combustion chamber 2, the quench zone 5 is made using alumina hollow ball layer and white fused alumina brick layer, the white fused alumina brick
Layer is located at the inside of quench zone 5, and the alumina hollow ball layer is located at the outside of quench zone 5, the combustion chamber 2,3 and of trunnion section
Reaction chamber 4 is the double-layer structure of ectonexine, and internal layer is high-temperature-resistant layer, and outer layer is thermal insulation layer, and internal layer is using zirconium oxide, oxidation
The complex fire resistant material layer of chromium and aluminium oxide composition, outer layer use the insulation material layer of alumina hollow ball composition.
Specifically, referring to Fig.2, existing burning indoor type is generally a truncated cone-shaped, sectional area lesser one section and larynx
Pipeline section axially connects, and trunnion section is connected with columnar reaction chamber, and followed by quench zone, production of carbon black is that raw material hydrocarbon exists
Trunnion section is in mist injection high temperature oxygen flow, partial thermal decomposition occurs wherein for raw material hydrocarbon, and then spray cooling terminates
It reacts this mode to carry out, high-temperature gas is generated and fuel burns in the combustion chamber with preheated air
, when high-temperature gas enters trunnion from combustion chamber, because there are an angle, meetings for the wall surface junction of burning zone and trunnion
There is rotational gas flow there are one for the inlet of trunnion, the angle of cone angle is bigger, has the range of rotational gas flow also bigger, there is the shape of rotational gas flow
At the energy that air-flow will be lost, after air-flow reaches at trunnion, because of the limitation of air total amount, flow velocity will not be reduced, however its
Hydrostatic head can reduce, that is, density declines, and causes the ability of aerodynamic atomization oil droplet to decline, causes the primary grain of carbon black initial stage
Sub- concentration is low, and the pressure of air-flow is low, and turbulivity is low, so the CDBP of product is also relatively low.
According to Hydrodynamics Theory, the utility model will be designed as at the combustion chamber 2 of reacting furnace by 7 He of the first arc structure
The shaped form of second arc structure 8 composition please refers to shown in FIG. 1 then the loss of fluid energy can be greatly reduced
Reacting furnace, variable diameter connecting portion are constituted using two sections of camber lines, the 2 inner mold part of combustion chamber of this reacting furnace be it is streamlined, more connect
Be bordering on the shape of flame, air and fuel combustion chamber expand position burning after, into it is streamlined when, high-temperature gas is added
Speed, due to reducing the influence of dog-ear, resistance suffered by high temperature gas flow is small, inevitable to enter trunnion section 3 with bigger speed, gives
The feedstock oil radially sprayed into necessarily generates more primary particles after feedstock oil gasification cracking with sufficient atomizing, and
Since the pressure of air-flow, turbulivity are higher, the CDBP of product is also inevitable higher.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of reacting furnace of the suitable higher CDBP carbon black of production, including distribution plenum (1), combustion chamber (2), trunnion section (3), reaction
Room (4) and quench zone (5), it is characterised in that: the distribution plenum (1), combustion chamber (2), trunnion section (3), reaction chamber (4) and chilling
Section (5) sequentially coaxially horizontal connection forms a column, is provided with the first arc structure (7) on the right side of the combustion chamber (2), and described the
It is provided with the second arc structure (8) on the right side of one arc structure (7), the right side of second arc structure (8) and the trunnion section
(3) left side connects, and is provided with air inlet (6) at the top of the distribution plenum (1).
2. a kind of reacting furnace of suitable higher CDBP carbon black of production according to claim 1, it is characterised in that: described first
The center of circle of arc structure (7) is arranged towards combustion chamber (2), and the center of circle of second arc structure (8) is set far from combustion chamber (2)
It sets.
3. a kind of reacting furnace of suitable higher CDBP carbon black of production according to claim 1, it is characterised in that: the chilling
Section (5) is made using alumina hollow ball layer and white fused alumina brick layer.
4. a kind of reacting furnace of suitable higher CDBP carbon black of production according to claim 3, it is characterised in that: described white rigid
Beautiful brick layer is located at the inside of quench zone (5), and the alumina hollow ball layer is located at the outside of quench zone (5).
5. a kind of reacting furnace of suitable higher CDBP carbon black of production according to claim 1, it is characterised in that: the burning
Room (2), trunnion section (3) and reaction chamber (4) are the double-layer structure of ectonexine, and internal layer is high-temperature-resistant layer, and outer layer is thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976514.4U CN208732993U (en) | 2018-06-25 | 2018-06-25 | A kind of reacting furnace of the suitable higher CDBP carbon black of production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976514.4U CN208732993U (en) | 2018-06-25 | 2018-06-25 | A kind of reacting furnace of the suitable higher CDBP carbon black of production |
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| CN208732993U true CN208732993U (en) | 2019-04-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667327A (en) * | 2021-09-17 | 2021-11-19 | 山西焦化股份有限公司 | Production method of 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 |
-
2018
- 2018-06-25 CN CN201820976514.4U patent/CN208732993U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667327A (en) * | 2021-09-17 | 2021-11-19 | 山西焦化股份有限公司 | Production method of 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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Denomination of utility model: A reaction furnace suitable for producing high CDBP carbon black Effective date of registration: 20230918 Granted publication date: 20190412 Pledgee: China Construction Bank Corporation Shahe Branch Pledgor: LONGXING CHEMICAL STOCK Co.,Ltd. Registration number: Y2023980057352 |