CN106082293A - A kind of aluminium fluoride raw materials for production drying system of improvement - Google Patents
A kind of aluminium fluoride raw materials for production drying system of improvement Download PDFInfo
- Publication number
- CN106082293A CN106082293A CN201610405862.1A CN201610405862A CN106082293A CN 106082293 A CN106082293 A CN 106082293A CN 201610405862 A CN201610405862 A CN 201610405862A CN 106082293 A CN106082293 A CN 106082293A
- Authority
- CN
- China
- Prior art keywords
- sack cleaner
- air
- raw materials
- drying system
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
Abstract
The present invention relates to the aluminium fluoride raw materials for production drying system of a kind of improvement, including air stove, flash distillation dryer, cyclone separator, first sack cleaner, first air-introduced machine, feed bin, second sack cleaner, second air-introduced machine, air stove connects flash distillation dryer, flash distillation dryer connects the charging aperture of cyclone separator, the separation products export of cyclone separator and separation gas outlet connect feed bin and the first sack cleaner respectively, the separation products export of the first sack cleaner and separation gas outlet connect feed bin and the first air-introduced machine respectively, feed bin top arranges the second sack cleaner, the separation gas outlet of the second sack cleaner connects the second air-introduced machine.The aluminium fluoride raw materials for production drying system of a kind of improvement of the present invention uses flash distillation dryer to coordinate two-stage sack cleaner, can not only improve drying efficiency, reduces drying time, more can reclaim raw material in dry gas stream to greatest extent, reduces the waste of raw material.
Description
Technical field
The present invention relates to technical field of aluminum fluoride production, be dried particularly to the aluminium fluoride raw materials for production of a kind of improvement and be
System.
Background technology
Aluminium fluoride is a kind of cosolvent in aluminum electrolysis and regulator, and its production method includes dry and wet, its
Middle dry method is the most relatively conventional.Aluminium hydroxide is that aluminum fluoride by dry process produces one of main raw material(s), its moisture
5～10%, and aluminum fluoride by dry process produces its technological requirement raw material aluminium hydroxide and moisture must be made after drying to be less than
0.1% can be used for producing.The dry usual way of aluminium hydroxide is pneumatic conveying drying, and heated thermal current is high in pipeline
Speed flowing, wet stock is moved towards pipe outlet by high velocity air band after entering pipeline and runs；Pass due to convection heat transfer' heat-transfer by convection during this
The effect of matter water vapour simultaneously is evaporated.Broken up the two by high velocity air after entering pipeline due to material to be sufficiently mixed, at pipeline
Outlet cyclone separator carries out gas-solid two-phase and must separate, and waste gas is discharged through exhaust blower.Regardless of material initial water content, one
As material moisture be reduced to 0.3%～0.5%, be difficult to obtain the dry products that water content is lower.Obviously dry method fluorine can not be met
Change aluminum to produce, the requirement less than 0.1% of the aluminium hydroxide dried moisture.It addition, pneumatic conveying drying, it is necessary to there is dynamical powder
Dirt collection device, the dust that otherwise tail gas carries will result in the biggest waste, also can be to the pollution formed environment.
Summary of the invention
Technical scheme can be realized by techniques below measure: the aluminium fluoride raw materials for production of a kind of improvement are done
Drying system, including air stove, flash distillation dryer, cyclone separator, the first sack cleaner, the first air-introduced machine, feed bin, the second cloth
Bag dust collector, the second air-introduced machine, described air stove connects described flash distillation dryer, and described flash distillation dryer connects described whirlwind and divides
From the charging aperture of device, the products export that separates of described cyclone separator exports the charging aperture connecting described feed bin respectively with separation gas
With the charging aperture of described first sack cleaner, the separation products export of described first sack cleaner and separation gas outlet respectively
Connecting the charging aperture of described feed bin and described first air-introduced machine, described feed bin top arranges the second sack cleaner, and described second
The separation gas outlet of sack cleaner connects described second air-introduced machine, and described bin bottom is provided with discharging opening, and described discharging opening is even
It is connected to product packing device.
Further, between described first sack cleaner and described first air-introduced machine and described second sack cleaner
And it is respectively connected with chimney, described chimney and atmosphere between described second air-introduced machine.
Further, described Combustion of Hot Air Furnace temperature is 300 DEG C～350 DEG C, and wind speed is 25m/s～35m/s.
Further, described cyclone separator pressure parameter is 3KPa～3.5KPa.
Further, described first sack cleaner and described second sack cleaner are respectively arranged with it are automatically adjusted mixed wind
Valve, described in be automatically adjusted mixer selector valve with temperature inductor, when temperature inductor senses that the mixing air temperature of entrance is higher than 150
DEG C time, be automatically adjusted mixer selector valve and open, mix Cryogenic air.
Further, the upper inside of described first sack cleaner is provided with at least two dust-removal cloth-bag, and described first
The bottom of sack cleaner is provided with filter screen, and described filter screen is provided with grey leakage port, being arranged with and inverted cone of described filter screen
Ash bucket, the position that the downside of described first sack cleaner is positioned on described filter screen is provided with air intake vent.
Further, the upper inside of described second sack cleaner is provided with at least two dust-removal cloth-bag, and described second
Sack cleaner is provided with filter screen with the junction of described feed bin, and described filter screen is provided with grey leakage port, the charging aperture of described feed bin
It is positioned under described filter screen.
Further, the grey leakage port of described filter screen is equal in the annulus apart from 240mm to 500mm place, the described filter screen center of circle
Even distribution.
Further, a diameter of 5mm of described grey leakage port.
Compared with prior art, technical scheme has the advantages that the fluorination of a kind of improvement of the present invention
Aluminum raw materials for production drying system uses flash distillation dryer to coordinate cyclone separator and two-stage sack cleaner, can not only improve dry
Dry efficiency, reduces drying time, more can reclaim raw material in dry gas stream to greatest extent, reduces the waste of raw material.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System.
Fig. 1 is the structural representation of the aluminium fluoride raw materials for production drying system that the present invention improves；
Fig. 2 is the structural representation of the aluminium fluoride raw materials for production drying system filter screen that the present invention improves.
Detailed description of the invention
For making the present invention easier to understand, the specific embodiment of the present invention is further illustrated below.
As shown in Figure 1-2, the aluminium fluoride raw materials for production drying system of a modification of the present invention, including air stove 1, flash distillation
Exsiccator 2, cyclone separator the 3, first sack cleaner the 4, first air-introduced machine 5, feed bin the 6, second sack cleaner 7, second draw
Blower fan 8, described air stove 1 connects described flash distillation dryer 2, and described flash distillation dryer 2 connects the charging of described cyclone separator 3
Mouthful, the separating products export and separate gas outlet and connect the air inlet and described the of described feed bin 6 respectively of described cyclone separator 3
The air inlet of one sack cleaner 4, the separation products export of described first sack cleaner 4 and separation gas outlet connect institute respectively
Stating the air inlet of feed bin 6 and described first air-introduced machine 5, described feed bin 6 top arranges the second sack cleaner 7, described second cloth
The separation gas outlet of bag dust collector 7 connects described second air-introduced machine 8, is provided with discharging opening 9, described discharging opening 9 bottom described feed bin 6
Connect and have product packing device.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described first bag-type dust
It is respectively connected with between device 4 and described first air-introduced machine 5 and between described second sack cleaner 7 and described second air-introduced machine 8
Chimney 10, described chimney 10 and atmosphere, described first air-introduced machine 5 and the second air-introduced machine 8 provide negative pressure power for system.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described air stove 1 is burnt
Temperature is 300 DEG C～350 DEG C, and wind speed is 25m/s～35m/s.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described cyclone separator 3
Pressure parameter is 3KPa～3.5KPa.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described first bag-type dust
Be respectively arranged with on device 4 and described second sack cleaner 7 and be automatically adjusted mixer selector valve, described in be automatically adjusted mixer selector valve with temperature sense
Device, when temperature inductor senses the mixing air temperature of entrance higher than 150 DEG C, is automatically adjusted mixer selector valve and opens, mix low temperature
Air.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described first bag-type dust
The upper inside of device 4 is provided with at least two dust-removal cloth-bag, and the bottom of described first sack cleaner 4 is provided with filter screen 11, institute
State and on filter screen 11, be provided with grey leakage port 12, described filter screen 11 be arranged with inverted cone ash bucket 15, described first sack cleaner 4
The position that is positioned on described filter screen 11, downside be provided with air intake vent 13.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, described second bag-type dust
The upper inside of device 7 is provided with at least two dust-removal cloth-bag, and described second sack cleaner 7 sets with the junction of described feed bin 6
Having filter screen 11, described filter screen 11 is provided with grey leakage port 12, the charging aperture of described feed bin 6 is positioned under described filter screen 11.
As the preferred implementation of the aluminium fluoride raw materials for production drying system that the present invention improves, the leakage ash of described filter screen 11
Mouth 12 is uniformly distributed in the annulus apart from 240mm to 500mm place, described filter screen 11 center of circle.
The preferred implementation of aluminium fluoride raw materials for production drying system improved as the present invention, described grey leakage port 12 straight
Footpath is 5mm.
The work process of the present invention is as follows:
The high-temperature gas that air stove 1 produces tangentially enters flash distillation dryer 2, drives the material to be dried warp broken up
Cross fluidisation, dry and that classification, degree of drying and granularity are qualified material powders enters cyclonic separation with hot blast from flash distillation dryer
Device 3, cyclone separator 3 carries out flash trapping stage to material, and the dry products of collection enters product pipeline 14 from separating products export
Entering back into feed bin 6, separate in gas and be also entrained with more product microgranule after flash trapping stage, these separate gas through cyclone separator
The separation gas outlet of 3 enters the first sack cleaner 4, again collects dry products, and the product collected enters from ash bucket 15
Product pipeline 14 is entering feed bin 6, and the air-flow after filtration is directly discharged into air, and the first air-introduced machine 5 provides the first sack cleaner 4
Negative pressure power.The product being dried enters feed bin 6 from product pipeline 14, owing to product is powder, can produce in feed bin 6
Bigger dust pressure, the second sack cleaner 7 is under the negative pressure power that the second air-introduced machine 8 provides, by the dust on feed bin 6 top
Again collect, also allow for the discharge of feed bin 6.Grey leakage port 12 design of filter screen 11 is avoided falling into product pipeline 14 or feed bin 6
The product of bottom is picked up under suction function again.
In sum, the aluminium fluoride raw materials for production drying system of a kind of improvement of the present invention uses flash distillation dryer 2 to coordinate rotation
Wind separator 3 and two-stage sack cleaner, can not only improve drying efficiency, reduces drying time, more can be to greatest extent
Reclaim raw material in dry gas stream, reduce the waste of raw material.
Last institute is it should be noted that, the present invention is only protected by above example in order to technical scheme to be described
Protecting the restriction of scope, although being explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Understand, technical scheme can be modified or equivalent, without deviating from the essence of technical solution of the present invention
And scope.
Claims (9)
1. the aluminium fluoride raw materials for production drying system improved, it is characterised in that include air stove, flash distillation dryer, whirlwind
Separator, the first sack cleaner, the first air-introduced machine, feed bin, the second sack cleaner, the second air-introduced machine, described air stove is even
Connecing described flash distillation dryer, described flash distillation dryer connects the charging aperture of described cyclone separator, dividing of described cyclone separator
Charging aperture and the charging aperture of described first sack cleaner, the institute of described feed bin is connected respectively from products export and separation gas outlet
The products export that separates stating the first sack cleaner exports the charging aperture and described first connecting described feed bin respectively with separation gas
Air-introduced machine, described feed bin top arranges the second sack cleaner, and the separation gas outlet of described second sack cleaner connects described
Second air-introduced machine, described bin bottom is provided with discharging opening, and described discharging opening connects product packing device.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described first cloth bag
It is respectively connected with between cleaner unit and described first air-introduced machine and between described second sack cleaner and described second air-introduced machine
Chimney, described chimney and atmosphere.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described air stove is fired
Burning temperature is 300 DEG C～350 DEG C, and wind speed is 25m/s～35m/s.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described cyclonic separation
Device pressure parameter is 3KPa～3.5KPa.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described first cloth bag
Be respectively arranged with on cleaner unit and described second sack cleaner and be automatically adjusted mixer selector valve, described in be automatically adjusted mixer selector valve with temperature sense
Answer device, when temperature inductor senses the mixing air temperature of entrance higher than 150 DEG C, be automatically adjusted mixer selector valve and open, mix low
Warm air.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described first cloth bag
The upper inside of cleaner unit is provided with at least two dust-removal cloth-bag, and the bottom of described first sack cleaner is provided with filter screen, institute
State and on filter screen, be provided with grey leakage port, described filter screen be arranged with inverted cone ash bucket, the position, downside of described first sack cleaner
Position on described filter screen is provided with air intake vent.
The aluminium fluoride raw materials for production drying system of improvement the most according to claim 1, it is characterised in that described second cloth bag
The upper inside of cleaner unit is provided with at least two dust-removal cloth-bag, and described second sack cleaner sets with the junction of described feed bin
Having filter screen, described filter screen is provided with grey leakage port, the charging aperture of described feed bin is positioned under described filter screen.
8. according to the aluminium fluoride raw materials for production drying system of the improvement described in claim 6 and 7, it is characterised in that described first
Filter screen, the grey leakage port of the second filter screen are uniformly distributed in the annulus apart from 240mm to 500mm place, the described filter screen center of circle.
9. according to the aluminium fluoride raw materials for production drying system of the improvement described in claim 6 and 7, it is characterised in that described leakage ash
A diameter of 5mm of mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405862.1A CN106082293A (en) | 2016-06-08 | 2016-06-08 | A kind of aluminium fluoride raw materials for production drying system of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405862.1A CN106082293A (en) | 2016-06-08 | 2016-06-08 | A kind of aluminium fluoride raw materials for production drying system of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106082293A true CN106082293A (en) | 2016-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610405862.1A Pending CN106082293A (en) | 2016-06-08 | 2016-06-08 | A kind of aluminium fluoride raw materials for production drying system of improvement |
Country Status (1)
| Country | Link |
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| CN (1) | CN106082293A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529267A (en) * | 2018-03-08 | 2018-09-14 | 广西科穗环境科技有限公司 | A kind of Dust Improvement device and method |
| CN109433381A (en) * | 2018-12-18 | 2019-03-08 | 潍坊正远粉体工程设备有限公司 | Superheated steam air-flow crushing production line |
| CN112880341A (en) * | 2021-01-13 | 2021-06-01 | 中建材蚌埠玻璃工业设计研究院有限公司 | Dry-method automatic sorting, drying and impurity removing system for waste glass |
| CN114322540A (en) * | 2022-02-28 | 2022-04-12 | 山东宝阳干燥设备科技有限公司 | Special roasting system for lithium iron phosphate reclaimed materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529267A (en) * | 2018-03-08 | 2018-09-14 | 广西科穗环境科技有限公司 | A kind of Dust Improvement device and method |
| CN109433381A (en) * | 2018-12-18 | 2019-03-08 | 潍坊正远粉体工程设备有限公司 | Superheated steam air-flow crushing production line |
| CN112880341A (en) * | 2021-01-13 | 2021-06-01 | 中建材蚌埠玻璃工业设计研究院有限公司 | Dry-method automatic sorting, drying and impurity removing system for waste glass |
| CN114322540A (en) * | 2022-02-28 | 2022-04-12 | 山东宝阳干燥设备科技有限公司 | Special roasting system for lithium iron phosphate reclaimed materials |
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Application publication date: 20161109 |
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