CN109205629A - A kind of circulation type fumed silica deacidification system - Google Patents
A kind of circulation type fumed silica deacidification system Download PDFInfo
- Publication number
- CN109205629A CN109205629A CN201811391547.3A CN201811391547A CN109205629A CN 109205629 A CN109205629 A CN 109205629A CN 201811391547 A CN201811391547 A CN 201811391547A CN 109205629 A CN109205629 A CN 109205629A
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- section
- deacidification
- furnace
- wind inlet
- bringing
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910021485 fumed silica Inorganic materials 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000005204 segregation Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000004581 coalescence Methods 0.000 abstract description 7
- 238000005054 agglomeration Methods 0.000 abstract description 6
- 230000002776 aggregation Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 description 4
- 239000008119 colloidal silica Substances 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 238000005243 fluidization Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of circulation type fumed silica deacidification system, solve that existing deacidification furnace air-flow is unstable, uneven heating is even, material becomes larger, coalescence, secondary agglomeration, the problem of influencing deacidification effect.The present apparatus includes several deacidification furnaces being sequentially connected in series, deacidification furnace sets gradually wind inlet section, bringing-up section, collection section, segregation section from top to bottom, bringing-up section bottom end is equipped with feed inlet, collection section is equipped with discharge port, in adjacent deacidification furnace, the discharge port of previous deacidification furnace and after between the feed inlet of deacidification furnace be equipped with cyclone separator, between the wind inlet section and bringing-up section the lower section of feed inlet be equipped with distribution cone, depickling furnace bottom is equipped with vapor import and hot wind inlet, and top is equipped with air outlet.The present invention vapor and hot wind proportion different by each stage, improve deacidification effect；Circulation is formed in bringing-up section by guide cone, air-flow is increased in the stroke of bringing-up section, improves in bringing-up section flow velocity, reduce coalescence, the secondary agglomeration of material, further improve deacidification effect.
Description
Technical field
The invention belongs to white carbon black production technical fields, are related to a kind of white carbon black deacidification system, in particular to a kind of circulation
Formula fumed silica deacidification system.
Background technique
Due to fume colloidal silica have particle it is small, large specific surface area, superior stability, reinforcing, thickening property and
Thixotropy is used widely in many industrial circles such as rubber, coating, medicine, papermaking, is extremely important ultra tiny nothing
One of machine new material.Gas-phase silica depickling is one of highly important link in entire fume colloidal silica production process, directly
It connects and is related to the last quality of product and surface property.
In entire fume colloidal silica production technology, product depickling processing is core technology, direct relation product purity
And the physical property of product parameter.The depickling processing of fume colloidal silica generally realized using deacidification furnace, endfeed and is sent under deacidification furnace
Enter vapor, blows material using ascension air-flow and form boiling fluid effect, hammer the acid in hanging object material into shape.In the convection current of deacidification furnace middle section
Compound material is heated, and better deacidification effect is had reached.For existing deacidification furnace, air-flow during goods fluid depickling
It is unstable, uneven heating is even, it is easy to cause material to become larger, coalescence, secondary agglomeration, influence deacidification effect.
Summary of the invention
The present invention is unstable primarily directed to existing deacidification furnace air-flow, uneven heating is even, and material becomes larger, coalescence, secondary
The problem of reuniting, influencing deacidification effect, provide a kind of circulation type fumed silica deacidification system.
The purpose of the present invention is mainly to be achieved by following proposal: a kind of circulation type fumed silica deacidification system
System, including several deacidification furnaces being sequentially connected in series, the deacidification furnace sets gradually wind inlet section from top to bottom, bringing-up section, collection section, divides
From section, it is characterised in that: the side wall of the bringing-up section bottom end is equipped with feed inlet, and the side wall of collection section is equipped with discharge port, adjacent de-
In sour furnace, the discharge port of previous deacidification furnace and after between the feed inlet of deacidification furnace be equipped with cyclone separator, the wind inlet section and
It is equipped with distribution cone in the lower section of feed inlet between bringing-up section, deacidification furnace is respectively arranged below with vapor import and heat distribution cone
The top of wind inlet, the deacidification furnace is equipped with air outlet.The present apparatus passes through the air inlet adjustment of vapor import and hot wind inlet, can
It carries out realizing different air inlet proportions with the deacidification furnace to different location, deacidification furnace vapor proportion more rearward is smaller, meets
Demand is entered the wind in different drying stages, guarantees reasonable steam ratio, improves deacidification effect.
Preferably, the distribution cone includes opening up the taper bucket, the taper bucket surface uniformly opens up ventilation hole, described
The axial location of the taper bucket is vertically arranged shaft, is equipped with impeller below shaft, impeller be arranged in the lower section of the taper bucket, vapor into
The top of mouth and hot wind inlet, shaft top are equipped with guide cone, and the lower surface of guide cone is inverted cone surface.Fill inside the taper bucket
The air inlet of material, vapor import and hot wind inlet proportion passes through ventilation hole from the bottom up, stirs the material in the taper bucket, is material
In the air inlet fluidization boiling of airflow function, comes into full contact with, improve efficiency in bringing-up section and heating tube.Air inlet from the bottom up passes through
Impeller location drives shaft rotation, so that guide cone be driven to rotate, the material to boil upwards from the taper bucket is directed to the back taper of cone
Whipping is faced out, circulation effect is formed, increases air-flow in the stroke of bringing-up section, is improved in bringing-up section flow velocity, sufficiently distribution material,
Coalescence, the secondary agglomeration for reducing material, further improve deacidification effect, in the deacidification system that identical quantity deacidification furnace is connected in series
In, deacidification effect is further promoted, the quality of final products is promoted.
Preferably, the upper surface of the guide cone is the cambered surface heaved upwards or the conical surface.The upper surface of guide cone is
Intermediate cambered surface or slope surface high, ring week is low, reduce material in the accumulation of guide cone upper surface.
Preferably, the guide cone is stainless steel hollow shell.Guide cone is hollow shell, and weight is small, and driving requires
It is low, it loads small.
Preferably, being respectively erected with the bearing of support shaft at the lower vertex of a cone of the taper bucket and at the center of upper surface.
Preferably, the wind inlet section is inverted cone-shaped structure, the bottom end of wind inlet section is arranged in, along de- in the vapor import
For sour furnace axis to upper air inlet, the side wall of wind inlet section is arranged in the hot wind inlet, and hot wind inlet passes through the hot air pipe of 90 degree of bendings
Protrude into wind inlet section along deacidification furnace axis to upper air inlet.
Preferably, the internal diameter of the segregation section is greater than the internal diameter of bringing-up section, the collection section is internal diameter even transition
Conical section.
Preferably, the vapor import of each deacidification furnace is connected by vapor general pipeline, the hot wind inlet of each deacidification furnace is logical
Cross hot-blast main's series connection.
The present invention vapor and hot wind proportion different by each stage, rationally adjust air inlet moisture content, improve depickling
Effect；By the material of the outside whipping boiling fluidisation of the guide cone of rotation, circulation is formed in bringing-up section, increases air-flow in bringing-up section
Stroke, improve in bringing-up section flow velocity, sufficiently distribution material, reduce coalescence, the secondary agglomeration of material, further improve depickling effect
Fruit.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Attached drawing 1 is a kind of structural schematic diagram of the present invention.
Attached drawing 2 is deacidification furnace feeding structure schematic diagram of the invention.
It illustrates: 1, deacidification furnace, 2, wind inlet section, 3, bringing-up section, 4, collection section, 5, segregation section, 6, feed inlet, 7, discharging
Mouthful, 8, cyclone separator, 9, vapor import, 10, hot wind inlet, 11, air outlet, 12, vapor general pipeline, 13, hot-blast main,
14, the taper bucket, 15, shaft, 16, guide cone, 17, impeller.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of circulation type fumed silica deacidification system, as shown in Figure 1.The present apparatus includes being sequentially connected in series
Several deacidification furnaces 1, the deacidification furnace set gradually wind inlet section 2, bringing-up section 3, collection section 4, segregation section 5 from top to bottom.Deacidification furnace 1
The side wall of 3 bottom end of bringing-up section is equipped with feed inlet 6, and the side wall of collection section is equipped with discharge port 7, in adjacent deacidification furnace, previous deacidification furnace
Discharge port 7 and after between the feed inlet 6 of deacidification furnace be equipped with cyclone separator 8.Between the wind inlet section 2 and bringing-up section 3
The lower section of feed inlet 6 is equipped with distribution cone, and deacidification furnace is respectively arranged below with vapor import 9 and hot wind inlet 10 distribution cone,
The top of the deacidification furnace is equipped with air outlet 11.Wind inlet section 2 is inverted cone-shaped structure, and the vapor import 9 is arranged in wind inlet section
Bottom end, along deacidification furnace axis to upper air inlet, the hot wind inlet 10 is arranged in the side wall of wind inlet section, and hot wind inlet passes through 90 degree
The hot air pipe of bending protrude into wind inlet section along deacidification furnace axis to upper air inlet.The vapor import 9 of each deacidification furnace 1 passes through vapor
General pipeline 12 connects, and the hot wind inlet 10 of each deacidification furnace is connected by hot-blast main 13.The internal diameter of segregation section 5 is greater than bringing-up section 3
Internal diameter, the collection section 3 are the conical section of the internal diameter even transition between segregation section and bringing-up section.
Charging punishment cloth wimble structure is as shown in Fig. 2, distribution cone includes opening up the taper bucket 14, the taper bucket surface
Ventilation hole is uniformly opened up, the axial location of the taper bucket is vertically arranged shaft 15, and impeller 17, impeller setting are equipped with below shaft
In the lower section of the taper bucket, the top of vapor import and hot wind inlet, guide cone 16, the lower surface of guide cone are equipped with above shaft
For inverted cone surface, the upper surface of guide cone is the conical surface heaved upwards.Guide cone is stainless steel hollow shell.The lower vertex of a cone of the taper bucket
The bearing of support shaft is respectively erected at place and upper surface center.
The present apparatus passes through the air inlet adjustment of vapor import and hot wind inlet, can carry out to the deacidification furnace of different location real
Existing different air inlet proportion, deacidification furnace vapor proportion more rearward is smaller, meets in different drying stages and enters the wind demand, guarantees
Reasonable steam ratio, improves deacidification effect.Material, the air inlet of vapor import and hot wind inlet proportion are loaded inside the taper bucket
Ventilation hole is passed through from the bottom up, stirs the material in the taper bucket, is material in the air inlet fluidization boiling of airflow function, in bringing-up section
It comes into full contact with, improves efficiency with heating tube.Air inlet from the bottom up is driven shaft rotation, is led to drive by impeller location
It is rotated to cone, the back taper that the material to boil upwards from the taper bucket is directed to cone faces out whipping, forms circulation effect, increases air-flow
In the stroke of bringing-up section, improves in bringing-up section flow velocity, sufficiently distribution material, reduce coalescence, the secondary agglomeration of material, further change
Kind deacidification effect further promotes deacidification effect in the deacidification system that identical quantity deacidification furnace is connected in series, and promotes final produce
The quality of product.
Claims (8)
1. a kind of circulation type fumed silica deacidification system, including several deacidification furnaces being sequentially connected in series, the deacidification furnace is under
To above setting gradually wind inlet section, bringing-up section, collection section, segregation section, it is characterised in that: the side wall of the bringing-up section bottom end be equipped with into
Material mouth, the side wall of collection section are equipped with discharge port, in adjacent deacidification furnace, the discharge port of previous deacidification furnace and after with the charging of deacidification furnace
It is equipped with cyclone separator between mouthful, is equipped with distribution cone in the lower section of feed inlet between the wind inlet section and bringing-up section, deacidification furnace exists
Distribution cone is respectively arranged below with vapor import and hot wind inlet, and the top of the deacidification furnace is equipped with air outlet.
2. a kind of circulation type fumed silica deacidification system according to claim 1, it is characterised in that: the distribution cone
Including opening up the taper bucket, the taper bucket surface uniformly opens up ventilation hole, and the axial location of the taper bucket, which is vertically arranged, to be turned
Axis, is equipped with impeller below shaft, and impeller is arranged in the top of the lower section of the taper bucket, vapor import and hot wind inlet, in shaft
Side is equipped with guide cone, and the lower surface of guide cone is inverted cone surface.
3. a kind of circulation type fumed silica deacidification system according to claim 2, it is characterised in that: the guide cone
Upper surface be the cambered surface heaved upwards or the conical surface.
4. a kind of circulation type fumed silica deacidification system according to claim 2 or 3, it is characterised in that: described to lead
It is stainless steel hollow shell to cone.
5. a kind of circulation type fumed silica deacidification system according to claim 2 or 3, it is characterised in that: the cone
The bearing of support shaft is respectively erected at the lower vertex of a cone of shape bucket and at the center of upper surface.
6. a kind of circulation type fumed silica deacidification system according to claim 1 or 2 or 3, it is characterised in that: described
Wind inlet section is inverted cone-shaped structure, the bottom end of wind inlet section is arranged in the vapor import, along deacidification furnace axis to upper air inlet, it is described
The side wall of wind inlet section is arranged in hot wind inlet, and hot wind inlet protrudes into wind inlet section along deacidification furnace axis by the hot air pipe of 90 degree of bendings
Line is to upper air inlet.
7. a kind of circulation type fumed silica deacidification system according to claim 1 or 2 or 3, it is characterised in that: described
The internal diameter of segregation section is greater than the internal diameter of bringing-up section, and the collection section is the conical section of internal diameter even transition.
8. a kind of circulation type fumed silica deacidification system according to claim 1 or 2 or 3, it is characterised in that: each de-
The vapor import of sour furnace is connected by vapor general pipeline, and the hot wind inlet of each deacidification furnace is connected by hot-blast main.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391547.3A CN109205629B (en) | 2018-11-21 | 2018-11-21 | Circulation formula gas phase method white carbon black deacidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391547.3A CN109205629B (en) | 2018-11-21 | 2018-11-21 | Circulation formula gas phase method white carbon black deacidification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109205629A true CN109205629A (en) | 2019-01-15 |
| CN109205629B CN109205629B (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391547.3A Active CN109205629B (en) | 2018-11-21 | 2018-11-21 | Circulation formula gas phase method white carbon black deacidification system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109205629B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116081631A (en) * | 2022-12-30 | 2023-05-09 | 浙江工程设计有限公司 | Deacidification method for gas-phase white carbon black |
| CN116081631B (en) * | 2022-12-30 | 2024-05-31 | 浙江工程设计有限公司 | Deacidification method for gas-phase white carbon black |
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| CN116081631B (en) * | 2022-12-30 | 2024-05-31 | 浙江工程设计有限公司 | Deacidification method for gas-phase white carbon black |
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| CN109205629B (en) | 2023-11-14 |
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