CN108800915A - A kind of electrolyte recycling rotary furnace - Google Patents
A kind of electrolyte recycling rotary furnace Download PDFInfo
- Publication number
- CN108800915A CN108800915A CN201810877756.2A CN201810877756A CN108800915A CN 108800915 A CN108800915 A CN 108800915A CN 201810877756 A CN201810877756 A CN 201810877756A CN 108800915 A CN108800915 A CN 108800915A
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- furnace body
- bearing
- plate
- fire door
- support
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
Abstract
The invention belongs to electrolyte recovery technology fields, and in particular to a kind of electrolyte recycling rotary furnace.Including braced frame, braced frame includes top plate and bottom plate, it is connected by several upright bars between top plate and bottom plate, the furnace body of one end open is set up in braced frame, the opening of furnace body is fire door, bottom plate is equipped with first support and second support, the upper end of first support is rotatablely connected first bearing, it is arranged with roller outside first bearing, roller is in contact with the lateral wall of furnace body, form the structure that first bearing is rotated synchronously with furnace body, the upper end of second support is rotatablely connected second bearing, the axial plane of second bearing is parallel with the pedestal of furnace body and is rotatablely connected the bottom centre of furnace body, form the structure that second bearing is rotated synchronously with furnace body, revolution driving speed reducer is additionally provided on bottom plate, the output end connection gear of revolution driving speed reducer, environmental protection of the invention, organic efficiency is high.
Description
Technical field
The invention belongs to electrolyte recovery technology fields, and in particular to a kind of electrolyte recycling rotary furnace.
Background technology
In the production process of electrolytic aluminium, a part of charcoal falls off from anode, into electrolytic cell become breeze, this charcoal
Slag can not only influence the physical and chemical performance of aluminium electrolyte, also be impacted to the working condition of electrolytic cell and current efficiency, because
And need periodically to pull these breezes from electrolytic cell out, it has been adhered under the immersion of electrolyte and osmosis, in breeze big
The electrolyte of amount accounts for about the 60~70% of breeze weight, and the electrolyte in breeze is as electrolysis raw material, as can recycling and returning to electricity
It solves slot to re-use, can effectively reduce aluminum production cost, bring apparent economic benefit.
Currently, there are mainly three types of the common methods of domestic processing electrolytic cell breeze, the first is floatation, and principle is
Breeze plus water mill is thin, after reaching satisfactory granularity and concentration, floating agent is added and is stirred, subsequently into floating
It selects machine to import air and forms bubble, the material that can be floated at this time is just mixed in bubble floating to ore pulp surface, is taken from top with foam
Go out, surplus material is discharged from the bottom of flotation cell to achieve the purpose that sorting.But floatation technological process is complicated, recycling effect
Rate is low, and the electrolyte impurity content recycled is high, cannot directly return to electrolytic cell use, and the waste water after flotation need to be located
Reason qualification could discharge.Second is oxidizing roasting method, is directly to carry out aerobic roasting, charcoal after breeze that will contain electrolyte is levigate
After oxidation becomes carbon dioxide, the electrolyte in breeze is recycled.The thermal energy generated in this method combustion process is difficult to be used,
Economy is simultaneously uneconomical, and generates a large amount of fluoro-gas in combustion process and cause secondary pollution to environment.The third is acidolysis
Method first converts the fluoride salt in breeze to HF volatilizations with inorganic acid, then uses alkaline solution absorption.But acid hydrolyzation processing cost
Height, pollution is big, and waste liquid is difficult.The method that also Some Enterprises are melted using conventional melting stove heat, but breeze comparison of ingredients
Complexity, under its high temperature erosion, the general service life of traditional castable was at one month or so, and liner needs frequent overhaul, both shadow
The quality of electrolyte is rung, and greatly reduces utilization ratio, therefore the prior art needs further improve.
Invention content
The purpose of the present invention is to provide the high electrolyte recycling rotary furnaces of a kind of environmental protection, organic efficiency.
Based on above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of electrolyte recycling rotary furnace, including braced frame, braced frame includes top plate and bottom plate, between top plate and bottom plate
It is connected by several upright bars, the furnace body of one end open is set up in braced frame, the opening of furnace body is fire door, and bottom plate is equipped with
First support and second support, the upper end of first support are rotatablely connected first bearing, are arranged with roller outside first bearing, roller with
The lateral wall of furnace body is in contact, and forms the structure that first bearing is rotated synchronously with furnace body, and the upper end rotation of second support connects
Connect second bearing, the axial plane of second bearing is parallel with the pedestal of furnace body and is rotatablely connected the bottom centre of furnace body, forms the
The structure that two bearings and furnace body rotate synchronously is additionally provided with revolution driving speed reducer, the output of revolution driving speed reducer on bottom plate
Connection gear is held, the synchronization chain being used cooperatively with gear is arranged on furnace body, fire door is equipped with fire door, and fire door is fixedly connected with filter
Net, strainer are covered on fire door, and there is the interval to come in and go out for flue gas, fire door to be equipped with heating burner, stove between fire door and fire door
Door is hinged by articulation piece and upright bar, and dust-extraction unit is equipped with above the interval between fire door and fire door.
Further, the dust-extraction unit includes big flue gas cover, and big flue gas cover inner sleeve sets small flue gas cover, big flue gas cover
Smoke inlet and the smoke inlet of small flue gas cover are respectively positioned on above the interval between fire door and fire door, and small flue gas cover is connected to first pipe,
First pipe runs through big flue gas cover, and big flue gas cover is connected to second pipe, the first valve is equipped in first pipe, is set in second pipe
There is the second valve.
Further, the first support includes two the first support plates, and two the first support plates are connected by the first rotating bar
It connects, first bearing is set in the first rotating bar.
Further, the lateral wall of second bearing is fixed in the second support upper end, fixed in second bearing to be arranged the
Two rotating bars, the second rotating bar are fixedly connected with the bottom centre position of furnace body.
Further, the top plate and bottom plate are rectangular slab, and the plate face area of bottom plate is less than the plate face area of top plate, stands
The lower end of bar is located at the quadrangle of bottom plate.
Further, inclined pillar stand is additionally provided on the bottom plate, inclined pillar stand is two, and two inclined pillar stands are located at court
To the both ends of the bottom plate side in fire door direction, inclined pillar stand connects the second support plate by 3rd bearing, and the is arranged in 3rd bearing
One rotation axis, the first rotation axis run through the upper end of inclined pillar stand and the second support plate, form being hinged for the second support plate and inclined pillar stand
Structure.
Further, the first support is two and is located at the stage casing both sides of furnace body length direction, second
Holder is adjacent with the bottom of furnace body.
Further, the top plate is equipped with several fixed seats, and fixed seat is located towards the top of furnace body bottom direction
On two angles of plate, for fixed seat by hydraulic cylinder connect base, the lower end of fixed seat is equipped with the groove being inserted into for hydraulic cylinder upper end,
The upper end of hydraulic cylinder is hinged by the second rotation axis and fixed seat, and the lower end of hydraulic cylinder is hinged by third rotation axis and pedestal.
Further, the furnace body is cylindrical in shape, and the bottom of furnace body and fire door are circle, and opening area is less than stove sheet
The area of body bottom.
Further, the articulation piece includes the first connecting plate, and the first connecting plate is hinged the second connecting plate, and the one of door-plate
Side is fixedly connected with the first connecting plate, the second connecting plate connecting upright pole.
The present invention can effectively separate the electrolyte in breeze, increase the yield of electrolyte, and the present invention
Equipped with dust-extraction unit, effectively fume collection can be purified, reduce pollution, and service life of the present invention is long, cost is relatively low, high
Effect, environmental protection are easy to use.
Description of the drawings
Fig. 1 is usage state diagram when furnace body of the present invention rotates；
Fig. 2 is the location diagram of furnace body and revolution driving speed reducer；
Fig. 3 is the structural schematic diagram of first support；
Fig. 4 is the structural schematic diagram of second support；
Fig. 5 is the location diagram for heating burner and fire door；
Fig. 6 is the location diagram of fire door and fire door；
Fig. 7 is the structural schematic diagram of revolution driving speed reducer；
Fig. 8 is the structural schematic diagram of dust-extraction unit；
Fig. 9 is the location diagram of strainer and door-plate；
Figure 10 is the structural schematic diagram of door-plate；
Figure 11 is the location diagram of fixed seat and hydraulic cylinder；
Figure 12 is the location diagram of inclined pillar stand and the second support plate；
Figure 13 is the sectional view of A-A in Figure 12；
Figure 14 is the location diagram of furnace body and first bearing；
Figure 15 is the present invention in the usage state diagram for toppling over liquid electrolyte.
Specific implementation mode
A kind of electrolyte recycling rotary furnace as shown in figures 1-15, including braced frame 1, braced frame 1 include top plate 101
It with bottom plate 102, is connected by four upright bars 103 between top plate 101 and bottom plate 102, the stove of one end open is set up in braced frame 1
Ontology 2, the opening of furnace body 2 are fire door 201, and bottom plate 102 is equipped with first support 3 and second support 4, first support 3 it is upper
End rotation connection first bearing 301, first bearing 301 are arranged with roller outside, and roller is in contact with the lateral wall of furnace body 2, shape
At the structure that first bearing 301 and furnace body 2 rotate synchronously, the upper end of second support 4 is rotatablely connected second bearing 401, and second
The axial plane of bearing 401 is parallel with the pedestal 21 of furnace body 2 and is rotatablely connected the bottom centre of furnace body 2, forms second bearing 401
The structure rotated synchronously with furnace body 2 is additionally provided with revolution driving speed reducer 5, the output of revolution driving speed reducer 5 on bottom plate 102
Connection gear 501 is held, the synchronization chain 6 being used cooperatively with gear 501 is arranged on furnace body 2, fire door 201 is equipped with fire door 7, stove
Door 7 is fixedly connected with strainer 8, and strainer 8 is covered on fire door 201, has the interval to come in and go out for flue gas between fire door 7 and fire door 201,
Fire door 7 is equipped with heating burner 9, and fire door 7 is hinged by articulation piece 10 and upright bar 103, the interval between fire door 7 and fire door 201
Top is equipped with dust-extraction unit 11.The dust-extraction unit 11 includes big flue gas cover 1101, and small flue gas is arranged in big flue gas cover 1101
Cover 1102, the smoke inlet 1103 of big flue gas cover and the smoke inlet 1104 of small flue gas cover are respectively positioned on the interval between fire door 7 and opening
Top, small flue gas cover 1102 are connected to first pipe 1105, and first pipe 1105 runs through big flue gas cover 1101, and big flue gas cover 1101 connects
Logical second pipe 1106, first pipe 1105 is interior to be equipped with the first valve 1107, and the second valve 1108 is equipped in second pipe 1106,
First valve 1107 and the second valve 1108 are operated pneumatic valve, and the area of the fire door 7 is less than 201 area of fire door, is formed and supplied
The discharge port 22 of electrolyte outflow, strainer 8 are covered on discharge port 22, and fire door 7 is made of the split door-plate 701 of two panels, door-plate
701 side is bent towards discharging direction, and strainer 8 is fixedly connected on one of door-plate 701, and the first support 3 includes
Two the first support plates 302, two the first support plates 302 are connected by the first rotating bar 303, and first bearing 301 is set in first turn
In lever 303, the lateral wall of second bearing 401 is fixed in 4 upper end of second support, fixed in second bearing 401 to be arranged the
Two rotating bars 402, the second rotating bar 402 are fixedly connected with the bottom centre position of furnace body 2, the top plate 101 and bottom plate 102
For rectangular slab, the plate face area of bottom plate 102 is less than the plate face area of top plate 101, and the lower end of upright bar 103 is located at bottom plate 102
Quadrangle, inclined pillar stand 12 is additionally provided on bottom plate 102, inclined pillar stand 12 is two, and two inclined pillar stands 12 are located towards fire door 7
The both ends of 102 side of bottom plate in direction, inclined pillar stand 12 connect the second support plate 14,13 inner sleeve of 3rd bearing by 3rd bearing 13
If the first rotation axis 15, the first rotation axis 15 runs through the upper end of inclined pillar stand 12 and the second support plate 14, formed the second support plate 14 with
The articulated structure of inclined pillar stand 12, stage casing both sides of the first support 3 for two and positioned at 2 length direction of furnace body, the
Two holders 4 are adjacent with the bottom of furnace body 2, set on top plate 101 there are two fixed seat 16, fixed seat 16 is located towards furnace body 2
On two angles of the top plate 101 of bottom direction, by 17 connect base 21 of hydraulic cylinder, the lower end of fixed seat 16 is equipped with fixed seat 16
For the groove 18 that 17 upper end of hydraulic cylinder is inserted into, the upper end of hydraulic cylinder 17 is hinged by the second rotation axis 19 and fixed seat 16, hydraulic pressure
The lower end of cylinder 17 is hinged by third rotation axis 20 and pedestal 21, and the furnace body 2 is cylindrical in shape, the bottom of furnace body 2 and stove
Mouth 201 is circle, and opening area is less than the area of 2 bottom of furnace body, and the articulation piece 10 includes the first connecting plate 1001, the
One connecting plate 1001 is hinged the second connecting plate 1002, and the side of door-plate 701 is fixedly connected with the first connecting plate 1001, the second connecting plate
1002 connecting upright poles 103.
In use, the second support plate 14 is fixed on ground, pedestal 21 fixes on the ground, opens fire door 7, will be from aluminium electroloysis
The breeze being discharged in slot pours into furnace body 2, closes fire door 7, opens revolution driving speed reducer 5, and furnace body 2 starts to rotate, then
Heating burner 9 is opened, the temperature rise of furnace body 2 is 1200-1300 DEG C, and the flue gas in furnace body 2 is between fire door 7 and opening
Interval discharge, from interval be discharged flue gas enter small flue gas cover 1102, open first pipe 1105 in the first valve
1107, the second valve 1108 is closed, flue gas is discharged into purification system from first pipe 1105, the breeze after heating, in breeze
Remaining electrolyte is since liquid is presented in high temperature, and breeze remains as solid-state, opens the switch of hydraulic cylinder 17, and furnace body 2 is to stove
201 directions of mouth tilt, and electrolyte is flowed out from discharge port 22, then opens fire door 7, remaining breeze is discharged, when breeze is discharged,
The second valve 1108 is opened, flue gas flows into purification system from second pipe 1106.
Claims (10)
1. a kind of electrolyte recycling rotary furnace, which is characterized in that including braced frame, braced frame includes top plate and bottom plate,
It is connected by several upright bars between top plate and bottom plate, the furnace body of one end open is set up in braced frame, the opening of furnace body is
Fire door, bottom plate are equipped with first support and second support, and the upper end of first support is rotatablely connected first bearing, first bearing housing
Equipped with roller, roller is in contact with the lateral wall of furnace body, the structure that formation first bearing is rotated synchronously with furnace body, second
The upper end of frame is rotatablely connected second bearing, and the axial plane of second bearing is parallel with the pedestal of furnace body and is rotatablely connected the bottom of furnace body
Portion center forms the structure that second bearing is rotated synchronously with furnace body, revolution driving speed reducer, revolution driving is additionally provided on bottom plate
The output end connection gear of speed reducer, the synchronization chain being used cooperatively with gear is arranged on furnace body, and fire door is equipped with fire door, stove
Door is fixedly connected with strainer, and strainer is covered on fire door, and there is the interval to come in and go out for flue gas, fire door to be equipped between fire door and fire door
Burner is heated, fire door is hinged by articulation piece and upright bar, and dust-extraction unit is equipped with above the interval between fire door and fire door.
2. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the dust-extraction unit includes opium
Gas hood, big flue gas cover inner sleeve set small flue gas cover, and the smoke inlet of the smoke inlet of big flue gas cover and small flue gas cover is respectively positioned on fire door and stove
Above interval between mouthful, small flue gas cover is connected to first pipe, and first pipe runs through big flue gas cover, big the second pipe of flue gas cover connection
Road, first pipe is interior to be equipped with the first valve, and the second valve is equipped in second pipe.
3. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the first support includes two
First support plate, two the first support plates are connected by the first rotating bar, and first bearing is set in the first rotating bar.
4. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the second support upper end is fixed
The lateral wall of second bearing, in second bearing fixation be arranged the second rotating bar, the second rotating bar is fixedly connected with the bottom of furnace body
Center.
5. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the top plate and bottom plate is rectangle
Plate, the plate face area of bottom plate are less than the plate face area of top plate, and the lower end of upright bar is located at the quadrangle of bottom plate.
6. electrolyte recycling rotary furnace according to claim 1, which is characterized in that be additionally provided with inclination on the bottom plate
Column, inclined pillar stand are two, and two inclined pillar stands are located towards the both ends of the bottom plate side in fire door direction, and inclined pillar stand passes through
3rd bearing connects the second support plate, and the first rotation axis is arranged in 3rd bearing, and the first rotation axis runs through inclined pillar stand and second
The upper end of plate forms the articulated structure of the second support plate and inclined pillar stand.
7. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the first support be two and
The stage casing both sides of furnace body length direction are located at, second support is adjacent with the bottom of furnace body.
8. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the top plate is equipped with several solid
Reservation, fixed seat are located towards on two angles of the top plate of furnace body bottom direction, fixed seat by hydraulic cylinder connect base, Gu
The lower end of reservation is equipped with the groove being inserted into for hydraulic cylinder upper end, and the upper end of hydraulic cylinder is hinged by the second rotation axis and fixed seat,
The lower end of hydraulic cylinder is hinged by third rotation axis and pedestal.
9. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the furnace body is cylindrical in shape, stove
The bottom of ontology and fire door are circle, and opening area is less than the area of furnace body bottom.
10. electrolyte recycling rotary furnace according to claim 1, which is characterized in that the articulation piece includes first
Connecting plate, the first connecting plate are hinged the second connecting plate, and the side of door-plate is fixedly connected with the first connecting plate, and the connection of the second connecting plate is vertical
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877756.2A CN108800915A (en) | 2018-08-03 | 2018-08-03 | A kind of electrolyte recycling rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877756.2A CN108800915A (en) | 2018-08-03 | 2018-08-03 | A kind of electrolyte recycling rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108800915A true CN108800915A (en) | 2018-11-13 |
Family
ID=64079279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810877756.2A Pending CN108800915A (en) | 2018-08-03 | 2018-08-03 | A kind of electrolyte recycling rotary furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN108800915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618865A (en) * | 2022-02-28 | 2022-06-14 | 北京科技大学 | Recycling method of anode carbon slag |
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2018
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| CN114618865A (en) * | 2022-02-28 | 2022-06-14 | 北京科技大学 | Recycling method of anode carbon slag |
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