CN208193702U - A kind of silica surface modified and drying device - Google Patents
A kind of silica surface modified and drying device Download PDFInfo
- Publication number
- CN208193702U CN208193702U CN201820438895.0U CN201820438895U CN208193702U CN 208193702 U CN208193702 U CN 208193702U CN 201820438895 U CN201820438895 U CN 201820438895U CN 208193702 U CN208193702 U CN 208193702U
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- stock tank
- tank shell
- silica
- degree
- surface modified
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Abstract
The utility model discloses a kind of silica surface modified and drying device, including stock tank and stock tank shell, speed reducer is provided on the top for being located at stock tank shell, there is skew wall between the top of stock tank shell and the vertical outer wall of stock tank shell, steam (vapor) outlet and feed inlet are respectively equipped on the two sides of the skew wall, it is characterized in that the lower outside in stock tank shell is equipped with heat source import, thermal source outlet is equipped in the upper outside of stock tank shell, cylindrical agitating shaft is equipped in stock tank shell, agitating shaft upper end is connect with speed reducer, discharge port is located at the center position of groove body bottom of stock tank, agitating shaft is equipped with three layers of agitating paddle of upper, middle and lower.Liquid pump is housed in discharge port, liquid pump is connected with the improved silica slurry import of spray-drying installation；The utility model can carry out surface modification to it while being beaten to silica filter cake, obtain dry improved silica, can reduce cost and improve production efficiency.
Description
Technical field
The device that the utility model relates to be dried after the surface modification in silica water phase.
Background technique
Silica is light, chemical stability is good, high temperature resistant, do not burn, hydrophily, electrical insulating property are strong, in chemical industry, light industry
Etc. be widely used in industries, such as rubber, plastics, papermaking, coating, ink and toothpaste.Since silica surface exists largely
Hydroxyl makes it in hydrophilic and oleophobic characteristic, is difficult to soak in organic phase and disperse, therefore limits the application model of silica
It encloses, influences products application performance.For this purpose, need to be modified, improve the lipophilicity of product and divide to the surface of silicon dioxide granule
Dissipate property.
Industrially common dry method is modified the surface of silica at present, and process is simple, aftertreatment technology is few, but
Modifying agent quota is high, operating condition is stringent, equipment requirement is high, and modified effect is also uneven.Using wet-process modified, technique letter
Single, modified effect is good, and product quality is easy to stablize, and modifying agent quota is lower, and reporting individually also occurs in reforming apparatus.But current
Reforming apparatus, it is undesirable without mashing function or beating results, that is, to needing modified silica to require, need by
Mashing is made after screened stock and can just be modified；And existing reforming apparatus is free of reflux unit, makes to modification temperature and modifying agent
At limitation.
Summary of the invention
Silica mashing and surface modification can be carried out simultaneously the purpose of the utility model is to provide one kind and are done
Dry device can be shortened the time of production improved silica, improve production efficiency.
The purpose of this utility model is achieved in that a kind of silica surface modified and drying device, including stock tank
With stock tank shell, it is provided with speed reducer on the top for being located at stock tank shell, in the top of stock tank shell and erecting for stock tank shell
There is skew wall between straight outer wall, is respectively equipped with steam (vapor) outlet and feed inlet on the two sides of the skew wall, it is characterised in that in stock tank shell
The lower outside of body is equipped with heat source import, thermal source outlet is equipped in the upper outside of stock tank shell, in the middle and lower part of stock tank shell
Outside is equipped with temperature-shrink crack, and a thermocouple is connect after the inside and outside wall of stock tank shell with temperature-shrink crack, in stock tank shell
Equipped with cylindrical agitating shaft, agitating shaft upper end is connect with speed reducer, and discharge port is located at the center position of the groove body bottom of stock tank
Place, agitating shaft are equipped with three layers of agitating paddle of upper, middle and lower；Discharge port is starched by the improved silica of liquid pump and spray-drying installation
Material import is connected；The spray-drying installation includes drying tower, and centrifugal spray equipment, drying tower are provided at the top of drying tower
Bottom be improved silica discharge port, improved silica discharge port connect a tape pulse bag hose, in drying tower
Left and right sides are provided with stream pressure spraying apparatus, and stream pressure spraying apparatus includes compressed air inlet and modified titanium dioxide
Silicon slurry import.
The speed reducer, liquid pump, centrifugal spray equipment, stream pressure spraying apparatus are connect with microprocessor.
Overlooking in the upper layer stirrer paddle and middle layer stirrer paddle being located on agitating shaft is in 90 degree each other, upper layer agitating paddle
Leaf and lower layer's stirrer paddle are overlooked in 45 degree each other, and middle layer stirrer paddle and lower layer's stirrer paddle are overlooked in 45 degree each other.
The upper layer stirrer paddle and horizontal direction angle are in -45~-65 degree.
Middle layer stirrer paddle and horizontal direction angle are in -45~-65 degree.
Lower layer's stirrer paddle and horizontal direction angle are in -160~-165 degree.
The advantages of the utility model: four hinged joint paddle agitating paddles are selected in lower layer's stirring, and small power consumption when operation can make fluid exist
Upper and lower interlayer circulation, achieve the effect that it is fully dispersed by silica modified dose, but also system temperature is uniform；Upper layer and middle layer
Two-fold leaf paddle agitating paddle is selected in stirring, and fluid can be promoted to form big axial circulation, provides big shearing force, energy will be from slot bottom
The silica agglomerate that portion's circulation is come up is crushed and is dispersed；Guarantee broken silica filter cake and dispersion and modifying agent point
It is 100-150 mm, upper layer stirring at a distance from the vertical inner wall of stock tank shell by upper layer stirrer paddle under the premise of dissipating effect
In -45~-65 degree, middle layer stirrer paddle is 180-250 at a distance from stock tank shell vertical inner wall for blade and horizontal direction angle
Mm, middle layer stirrer paddle and horizontal direction angle in -45~-65 degree, lower layer's stirrer paddle and stock tank shell vertical inner wall away from
From to be 15-25 mm at a distance from 20-40 mm, with the groove body bottom of stock tank；Lower layer's stirrer paddle and horizontal direction angle in-
160~-165 degree, to reduce operation power consumption, save the cost.The discharging of shaft bottom and the groove body bottom center for being located at stock tank
Mouth stirs shaft diameter 20-30 mm smaller than the bore of discharge port, the small agglomerate of silica can be effectively prevented at a distance of 15-25 mm
Into discharge port.The setting of steam (vapor) outlet can choose whether connection reflux unit according to the difference of modified technique and modifying agent,
The optional range for expanding modification temperature and modifying agent, also avoids the loss of modifying agent and solvent.The utility model is sprayed
Drying device has stream pressure spraying apparatus.The finished particle degree of this press atomization equipment production can be roughened, by centrifugal spray
Equipment and stream pressure spraying apparatus both equipment are combined together, to achieve the effect that a tower is multi-purpose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the silica surface modified device of the utility model.
Fig. 1-1 is the structural schematic diagram for the spray-drying installation that the discharge port of the device modified with the surface of Fig. 1 is connect.
Fig. 1-2 is control principle block diagram.
Fig. 2 is the structural schematic diagram of Fig. 1 agitating paddle at the middle and upper levels.
Fig. 3 is the structural schematic diagram of middle layer agitating paddle in Fig. 1.
Fig. 4 is the structural schematic diagram of Tu1Zhong lower layer agitating paddle.
Fig. 5 is Fig. 1 structure top view with middle layer agitating paddle at the middle and upper levels.
Fig. 6 is the top view of Tu1Zhong lower layer agitating paddle.
Fig. 7 is the structure top view in middle layer and lower layer's agitating paddle in Fig. 1.
Fig. 8 is the blade A-A schematic cross-sectional view of Fig. 2 agitating paddle at the middle and upper levels.
Fig. 9 is the blade B-B schematic cross-sectional view of middle layer agitating paddle in Fig. 3.
Figure 10 is the blade C-C schematic cross-sectional view of Tu4Zhong lower layer agitating paddle.
In figure: 1, stock tank shell；2, speed reducer；3, steam (vapor) outlet；4, feed inlet；5, agitating shaft；6, thermal source outlet；7, on
Layer stirrer paddle；8, middle layer stirrer paddle；9, thermocouple；10, temperature-shrink crack；11, lower layer's stirrer paddle；12, heat source import；
13, groove body bottom；14, discharge port；15, drying tower；16, centrifugal spray equipment；17, improved silica discharge port；18, bag is filtered
Device；19, stream pressure spraying apparatus；20, compressed air inlet；21, improved silica slurry import.
Specific embodiment
The structure of the utility model and working principle and the course of work are carried out specifically with reference to the accompanying drawings and examples
It is bright:
As shown in the picture, the silica surface modified device of one kind described in the utility model, it includes stock tank and slurry
Slot shell 1 is provided with speed reducer 2 on the top outside stock tank shell 1, the top outside stock tank shell 1 and stock tank shell 1
There is skew wall between vertical outer wall, is respectively equipped with 3 He of steam (vapor) outlet on the skew wall of the two sides at the top being located at outside stock tank shell 1
Feed inlet 4, be additionally provided with outside stock tank shell 1 heat source import 12, thermal source outlet and one through 1 inside and outside wall of stock tank shell and with temperature number
The thermocouple 9 that aobvious instrument 10 is connected, stock tank shell 1 is interior to be equipped with cylindrical agitating shaft 5, and 5 upper end of agitating shaft is connect with speed reducer 2,
Discharge port 14 is located at 13 center position of groove body bottom, and agitating shaft 5 is equipped with three layers of agitating paddle of upper, middle and lower, upper layer stirrer paddle 7 with
Middle layer stirrer paddle 8 is overlooked in 90 degree each other, and upper layer stirrer paddle 7 and the vertical view of lower layer's stirrer paddle 11 are in 45 degree each other, middle layer
Stirrer paddle 8 and lower layer's stirrer paddle 11 are overlooked in 45 degree each other.1 bottom of agitating shaft and the discharging for being located at the center of groove body bottom 13
For mouth 14 at a distance of 15 mm, 5 diameter of agitating shaft is 20 mm smaller than 14 bore of discharge port, and the small agglomerate of silica can be effectively prevented and enter
Discharge port.
As Figure 1-1, the spray-drying installation structure being connect for the discharge port 14 of the device modified with the surface of Fig. 1
Figure, discharge port 14 are connected by liquid pump 22 with the improved silica slurry import 21 of spray-drying installation.It is described spraying dry
Dry device includes drying tower 15, and the top of drying tower 15 is provided with centrifugal spray equipment 16, and the bottom of drying tower 15 is modified two
Silica discharge port 17, improved silica discharge port 17 connect the bag hose 18 of a tape pulse, set in the side of drying tower 15
It is equipped with stream pressure spraying apparatus 19, stream pressure spraying apparatus 19 is the prior art, it includes compressed air inlet 20 and changes
Property silica slurry import 21, is generally respectively equipped with a stream pressure spraying apparatus in the left and right sides of drying tower 15
19, the installation number of certain stream pressure spraying apparatus 19 can also be installed on demand.
As shown in Figs. 1-2, the speed reducer, liquid pump, centrifugal spray equipment, stream pressure spraying apparatus, microprocessor
It (MCU) is the prior art, the speed reducer, liquid pump, centrifugal spray equipment, stream pressure spraying apparatus are connect with microprocessor
And it is controlled by microprocessor, speed reducer, liquid pump, centrifugal spray equipment, stream pressure spraying apparatus, microprocessor (MCU) are by existing
There is the power circuit of technology to power；When utility model works, microprocessor controls speed reducer rotation, makes shown in FIG. 1 two
The modified device work of silicon oxide surface, silica is modified in stock tank, after the completion of modification, microprocessor control from
Heart spraying apparatus, the work of stream pressure spraying apparatus then control liquid pump work, pass through the improved silica slurry in stock tank
Discharge port 14 is dried through improved silica slurry import 21 into drying tower 15 after coming out, when the modification dioxy in stock tank
After SiClx slurry pumps out substantially, microprocessor control speed reducer and liquid pump stop working, when the modification titanium dioxide in drying tower 15
After silicon completes drying, microprocessor control centrifugal spray equipment, stream pressure spraying apparatus stop working, and open drying tower at this time
The improved silica discharge port 17 of 15 bottom discharges.
The upper layer stirrer paddle 7 at a distance from the vertical inner wall of stock tank shell 1 be 100 mm, upper layer stirrer paddle 7 with
Horizontal direction angle is in -45 degree；Middle layer stirrer paddle 8 is 180 mm, middle layer agitating paddle at a distance from 1 vertical inner wall of stock tank shell
Leaf 8 and horizontal direction angle are in -45 degree；Lower layer's stirrer paddle 11 is 20 mm at a distance from 1 vertical inner wall of stock tank shell, with slurry
The distance of the groove body bottom 13 of slot is 15 mm；Lower layer's stirrer paddle 11 and horizontal direction angle are in -160 degree.The stirrer paddle
It is made of stainless steel material.
The heat source import 12 is located on the side outer wall of stock tank shell 1 away from 100 mm of groove body bottom, and can temperature control
Heat source generating device be connected, other side outer wall away from 1 bottom 4/5 of stock tank shell be equipped with thermal source outlet.One thermocouple 9 runs through
1 inside and outside wall of stock tank shell, be between 8 height of upper layer stirrer paddle 7 and middle layer stirrer paddle be mounted on it is ipsilateral with thermocouple 9
And the temperature-shrink crack 10 being on 1 outer wall of stock tank shell of sustained height is connected, for monitoring 1 inner body of stock tank shell in real time
It is temperature.
Steam (vapor) outlet 3 is arranged on the side skew wall at the top outside stock tank shell 1, according to selected modification temperature and
The type of modifying agent chooses whether to connect with reflux unit, is avoided that the loss of modifying agent and solvent.
Lower layer's stirrer paddle 11 selects four hinged joint paddle agitating paddles, and power consumption is smaller when operation, fluid can be made upper and lower
Interlayer circulation, achieve the effect that it is fully dispersed by silica modified dose, but also system temperature is uniform；Upper layer stirrer paddle 7
Two-fold leaf paddle agitating paddle is selected with middle layer stirrer paddle 8, fluid can be promoted to form big axial circulation, big shearing is provided
The silica agglomerate to come up from the circulation of groove body bottom 13 can be crushed and be dispersed by power, also that modifying agent is fully dispersed, with
Silica comes into full contact with, and reaches good modified effect.
Claims (6)
1. a kind of silica surface modified and drying device, including stock tank and stock tank shell (1) are being located at stock tank shell (1)
Top on be provided with speed reducer (2), have skew wall between the top of stock tank shell (1) and the vertical outer wall of stock tank shell (1),
Steam (vapor) outlet (3) and feed inlet (4) are respectively equipped on the two sides of the skew wall, it is characterised in that in the lower part of stock tank shell (1)
Outside is equipped with heat source import (12), thermal source outlet (6) is equipped in the upper outside of stock tank shell (1), in stock tank shell (1)
Lower outside be equipped with temperature-shrink crack (10), a thermocouple (9) through stock tank shell (1) inside and outside wall after with temperature-shrink crack
(10) it connects, cylindrical agitating shaft (5) is equipped in stock tank shell (1), agitating shaft (5) upper end is connect with speed reducer (2), is discharged
Mouth (14) is located at the center position of groove body bottom (13) of stock tank, and agitating shaft (5) is equipped with three layers of agitating paddle of upper, middle and lower；Discharging
Mouth (14) is connected by liquid pump with the improved silica slurry import of spray-drying installation；The spray-drying installation includes
Drying tower (15), centrifugal spray equipment is provided at the top of drying tower (15), and the bottom of drying tower (15) is improved silica
Discharge port (17), improved silica discharge port (17) connects the bag hose (18) of a tape pulse, in the left and right of drying tower (15)
Two sides are provided with stream pressure spraying apparatus (19), and stream pressure spraying apparatus (19) includes compressed air inlet (20) and changes
Property silica slurry import (21).
2. one kind according to claim 1 is silica surface modified and drying device, it is characterised in that the deceleration
Machine, liquid pump, centrifugal spray equipment, stream pressure spraying apparatus are connect with microprocessor.
3. one kind according to claim 1 is silica surface modified and drying device, it is characterised in that be located at stirring
Upper layer stirrer paddle (7) and middle layer stirrer paddle (8) on axis are overlooked in 90 degree each other, and upper layer stirrer paddle (7) is stirred with lower layer
It mixes blade (11) to overlook in 45 degree each other, middle layer stirrer paddle (8) and lower layer's stirrer paddle (11) are overlooked in 45 degree each other.
4. one kind according to claim 3 is silica surface modified and drying device, it is characterised in that the upper layer is stirred
Blade (7) and horizontal direction angle are mixed in -45~-65 degree.
5. one kind according to claim 3 is silica surface modified and drying device, it is characterised in that middle layer agitating paddle
Leaf and horizontal direction angle are in -45~-65 degree.
6. one kind according to claim 3 is silica surface modified and drying device, it is characterised in that lower layer's agitating paddle
Leaf and horizontal direction angle are in -160~-165 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438895.0U CN208193702U (en) | 2018-03-29 | 2018-03-29 | A kind of silica surface modified and drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438895.0U CN208193702U (en) | 2018-03-29 | 2018-03-29 | A kind of silica surface modified and drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208193702U true CN208193702U (en) | 2018-12-07 |
Family
ID=64525919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438895.0U Expired - Fee Related CN208193702U (en) | 2018-03-29 | 2018-03-29 | A kind of silica surface modified and drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208193702U (en) |
-
2018
- 2018-03-29 CN CN201820438895.0U patent/CN208193702U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20210329 |