CN209260236U - A kind of automatic floatation system of aluminium oxide - Google Patents
A kind of automatic floatation system of aluminium oxide Download PDFInfo
- Publication number
- CN209260236U CN209260236U CN201822236321.8U CN201822236321U CN209260236U CN 209260236 U CN209260236 U CN 209260236U CN 201822236321 U CN201822236321 U CN 201822236321U CN 209260236 U CN209260236 U CN 209260236U
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- CN
- China
- Prior art keywords
- aluminium oxide
- flotation
- hopper
- deduster
- flue
- 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.)
- Expired - Fee Related
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model provides a kind of automatic floatation system of aluminium oxide, including flue and deduster, flue is connected to deduster, flotation hopper is equipped with below deduster, flotation hopper bottom is equipped with ebullated bed, the flotation hopper connection carries fluorine storehouse, the utility model can be different using the weight of aluminium oxide fluorinated volume, fluorinated alumina is in suspended state by ebullated bed, withdraw the biggish fluorinated alumina of fluorinated volume directly, aluminium oxide sufficiently adsorbs hydrogen fluoride gas, considerably increase the adsorption efficiency of hydrogen fluoride, reduce environmental pollution caused by pernicious gas hydrogen fluoride is discharged in air, fluorinated alumina can be again in the form of fluoride salt for Aluminum Electrolysis Production after entering electrolytic cell simultaneously, reduce fluoride salt consumption, hydrogen fluoride gas is set to turn waste into wealth, it is recycled in Aluminum Electrolysis Production, improve utility value, prevent chute putty With electrolytic cell bearth precipitation and anode effect.
Description
Technical field
The utility model relates to aluminium electricity electrolysis tech fields, and in particular to a kind of automatic floatation system of aluminium oxide.
Background technique
In aluminium electroloysis industry, need that a certain amount of fluoride salt is added during electrolytic production of aluminum, fluoride salt plays
The effects of reducing fusion temperature, separation of carbon slag and the raising electrolyte conductivity of electrolyte.Ton aluminium fluoride salt disappears in electrolytic process
Consumption is at 20 kilograms or so, but fluoride salt is volatile in the high temperature environment, caused by fluorine lose about 6.5 kilograms, xanthenes aluminium fluoride salt
32% or so of consumption.And fluorine exists mostly in the form of being pernicious gas hydrogen fluoride, mainly not only increases fluoride salt consumption, and
And pollution environment.Traditional hydrogen fluoride trealment technique, is inhaled with dry cleaning, is that alumina powder is defeated by ultra-dense phase
It send, is sprayed by negative pressure flue by VRI or venturi reactor with the state of gas material mixture, alumina powder and cigarette
Hydrogen fluoride gas contact in road, adsorbs pernicious gas.It is easy by this method to adsorb hydrogen fluoride pernicious gas
It causes to adsorb insufficient, wherein a large amount of hydrogen feedstock cannot recycle, increases the consumption of Aluminum Electrolysis Production villiaumite, directly
It is discharged into atmosphere and causes environmental pollution.Traditional second adsorption cannot effectively sort the size of aluminium oxide fluorinated volume, easy to operate
The problems such as fluorinated volume is unbalanced, causes chute putty, electrolytic cell bearth precipitation and anode effect.
Utility model content
The technical problems to be solved in the utility model be reduce Aluminum Electrolysis Production villiaumite consumption, prevent air pollution,
Chute putty, electrolytic cell bearth precipitation and anode effect, to solve the above problems, to provide a kind of aluminium oxide automatic for the utility model
Floatation system.
The purpose of this utility model is achieved in that
A kind of automatic floatation system of aluminium oxide, including flue and deduster, flue are connected to deduster, are equipped with below deduster
Flotation hopper, flotation hopper bottom are equipped with ebullated bed, and the flotation hopper connection carries fluorine storehouse.
Flotation hopper is equipped with feeding tube and discharge nozzle, and feeding tube connects deduster by ultra-dense phase chute, and discharge nozzle passes through
Ultra-dense phase recycles chute connection and carries fluorine storehouse, and flotation hopper bottom side is equipped with secondary cycle feed opening, and secondary cycle feed opening is logical
Cross secondary cycle pipe connection flue.
Ebullated bed is made of air inlet pipe, gas chamber and boiling cloth, and described air inlet pipe one end is equipped with air intake valve.
Flue side is equipped with alumina blanking pipe.
Feeding tube and discharge nozzle are staggered at least half of caliber.
The nozzle of discharge nozzle is higher than the height of boiling cloth.
Compared with the existing technology, the utility model can be different using the weight of aluminium oxide fluorinated volume, will by ebullated bed
Fluorinated alumina is in suspended state, withdraws the biggish fluorinated alumina of fluorinated volume directly, aluminium oxide sufficiently adsorbs hydrogen fluoride
Gas considerably increases the adsorption efficiency of hydrogen fluoride, reduces environmental pollution caused by pernicious gas hydrogen fluoride is discharged in air, together
When fluorinated alumina enter after electrolytic cell and can reduce fluoride salt again in the form of fluoride salt for Aluminum Electrolysis Production and disappear
Consumption, so that hydrogen fluoride gas is turned waste into wealth, recycled in Aluminum Electrolysis Production, improve utility value, prevent chute putty and
Electrolytic cell bearth precipitation and anode effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional adsorption reaction system.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of flotation hopper.
Wherein, 1. deduster, 2. ultra-dense phase chutes, 3. feeding tubes, 4. ebullated beds, 5. flotation hoppers, 6. feeder pipes 7. surpass
Concentrated phase recycling chute, 8. secondary cycle feed openings, 9. secondary cycle pipes, 10. flues, 11. alumina blanking pipes, 41. boiling cloth,
42. gas chamber, 43. air intake valves, 44. air inlet pipe.
Specific embodiment
As shown in attached drawing 1 to 3, a kind of automatic floatation system of aluminium oxide, including flue 10 and deduster 1, flue 10 are connected to
Deduster 1 is equipped with flotation hopper 5 below deduster 1, and 5 bottom of flotation hopper is equipped with ebullated bed 4, and the connection of flotation hopper 5 carries
Fluorine storehouse.
Further, flotation hopper 5 is equipped with feeding tube 3 and discharge nozzle, and feeding tube 3 connects deduster by ultra-dense phase chute 2
1, discharge nozzle by ultra-dense phase recycle chute 7 connection carry fluorine storehouse, 5 bottom side of flotation hopper be equipped with secondary cycle feed opening 8, two
Secondary circulation feed opening 8 connects flue 10 by secondary cycle pipe 9, carries out second adsorption, more preferably utilizes aluminium oxide, improves and removes effect
Rate.
Further, ebullated bed 4 by air inlet pipe 44, gas chamber 42 and boiling cloth 41 form, described 44 one end of air inlet pipe be equipped with into
Air valve 43, the air pressure in gas chamber 42 is controlled by air intake valve 43, and boiling 41 fluorinated alumina of cloth boiling suspends.
Further, 10 side of flue is equipped with alumina blanking pipe 116, is convenient for filler and charging, improves adsorption efficiency.
Further, feeding tube 3 and discharge nozzle are staggered at least half of caliber, prevent the fluorinated alumina not boiled from slipping away, wave
Take resource.
Further, the nozzle of discharge nozzle is higher than the height of boiling cloth 41, convenient for the big fluorinated alumina of discharge fluorinated volume.
The course of work of the utility model is as follows:
Alumina powder is added in flue 10, the flue gas with fluorine passes through the alumina powder of flue 10, fluorinated alumina is formed,
After dust catcher carries out an adsorption reaction, fluorinated alumina enters flotation hopper 5, flotation hopper 5 from super concentration phase chute
Bottom is equipped with ebullated bed 4, and fluorinated alumina boils suspension under the action of ebullated bed 4, the biggish fluorinated alumina powder of fluorinated volume
Relatively gently it is located at the upper layer of flotation material, the relatively small fluorinated alumina powder of fluorinated volume is located at the lower layer of flotation hopper 5, and upper layer carries fluorine
Aluminium oxide enters ultra-dense phase through feeder pipe 6 and recycles chute 7, mentions machine through sky and mentions to carrying fluorine storehouse, and the fluorinated alumina of lower layer is into crossing two
Secondary circulation feed opening 8 enters secondary cycle pipe 9, enters flue 10 by secondary cycle pipe 9, again with the smoke reaction with fluorine,
Generate adsorption reaction with flue gas again, by the adsorption recovery again of the fluorine in flue gas, increase aluminium oxide fluorinated volume, then again into
Enter deduster 1, by flotation hopper 5, enter ultra-dense phase from feeder pipe 6 and recycle chute 7, mentions machine through sky and mention to load fluorine storehouse.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as
The protection scope of the utility model.
Claims (6)
1. a kind of automatic floatation system of aluminium oxide, including flue and deduster, it is characterised in that: flue is connected to deduster, dedusting
Flotation hopper is equipped with below device, flotation hopper bottom is equipped with ebullated bed, and the flotation hopper connection carries fluorine storehouse.
2. the automatic floatation system of aluminium oxide according to claim 1, it is characterised in that: flotation hopper is equipped with feeding tube and goes out
Expects pipe, feeding tube connect deduster by ultra-dense phase chute, and discharge nozzle recycles chute connection by ultra-dense phase and carries fluorine storehouse, flotation material
Case bottom side is equipped with secondary cycle feed opening, and secondary cycle feed opening connects flue by secondary cycle pipe.
3. the automatic floatation system of aluminium oxide according to claim 1, it is characterised in that: ebullated bed by air inlet pipe, gas chamber and
Boil cloth composition, and described air inlet pipe one end is equipped with air intake valve.
4. the automatic floatation system of aluminium oxide according to claim 1, it is characterised in that: flue side is equipped with alumina blanking
Pipe.
5. the automatic floatation system of aluminium oxide according to claim 2, it is characterised in that: feeding tube and discharge nozzle are staggered at least
Half of caliber.
6. the automatic floatation system of aluminium oxide according to claim 3, it is characterised in that: the nozzle of discharge nozzle is higher than boiling cloth
Height.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822236321.8U CN209260236U (en) | 2018-12-28 | 2018-12-28 | A kind of automatic floatation system of aluminium oxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822236321.8U CN209260236U (en) | 2018-12-28 | 2018-12-28 | A kind of automatic floatation system of aluminium oxide |
Publications (1)
Publication Number | Publication Date |
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CN209260236U true CN209260236U (en) | 2019-08-16 |
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ID=67583721
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CN201822236321.8U Expired - Fee Related CN209260236U (en) | 2018-12-28 | 2018-12-28 | A kind of automatic floatation system of aluminium oxide |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109402676A (en) * | 2018-12-28 | 2019-03-01 | 河南神火煤电股份有限公司 | A kind of automatic floatation system of aluminium oxide |
-
2018
- 2018-12-28 CN CN201822236321.8U patent/CN209260236U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109402676A (en) * | 2018-12-28 | 2019-03-01 | 河南神火煤电股份有限公司 | A kind of automatic floatation system of aluminium oxide |
CN109402676B (en) * | 2018-12-28 | 2024-03-29 | 河南神火煤电股份有限公司 | Automatic flotation system of aluminium oxide |
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Legal Events
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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: 20190816 Termination date: 20191228 |