CN109607583A - The Ageing solution recovery system and recovery method of modified aluminas production technology - Google Patents
The Ageing solution recovery system and recovery method of modified aluminas production technology Download PDFInfo
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- CN109607583A CN109607583A CN201910081888.9A CN201910081888A CN109607583A CN 109607583 A CN109607583 A CN 109607583A CN 201910081888 A CN201910081888 A CN 201910081888A CN 109607583 A CN109607583 A CN 109607583A
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- 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
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Abstract
The present invention relates to heavy chemicals production technical fields, more particularly to the Ageing solution recovery system and recovery method for being a kind of modified aluminas production technology, including liquid storage tank after ageing tank, aging filter press and aging, liquid exports after aging trench bottom is provided with aging, aging pressing filtering liquid entrance is provided at the top of liquid storage tank after aging, liquid storage tank lower part is provided with the outlet of aging pressing filtering liquid after aging, liquid outlet is connected to by delivery pipe with aging pressing filtering liquid entrance after aging, aging filter press is located in delivery pipe, and the outlet of aging pressing filtering liquid is connected to subsider.It solves and Ageing solution is directly discharged in trench treatment tank in existing modified aluminas production technology, it is unified to carry out sewage treatment, since consumption is bigger than normal in modified aluminas production technology for sodium nitrate and aluminium hydroxide, the problem of sewage discharge processing causes certain wasting of resources is directly carried out.
Description
Technical field
The present invention relates to heavy chemicals production technical fields, and in particular to is the Ageing solution time of modified aluminas production technology
Receipts system and recovery method.
Background technique
It is Ageing solution precipitating the filtrate for being separated by filtration out after aging in modified aluminas production technology,
It is mostly that Ageing solution is direct in existing production technology containing the substances such as water, sodium nitrate 15g/L, aluminium hydroxide fine grained in Ageing solution
It is emitted into trench treatment tank, it is unified to carry out sewage treatment, since sodium nitrate and aluminium hydroxide are produced in modified aluminas
Consumption is bigger than normal in technique, directly carries out sewage discharge processing and causes certain wasting of resources.
Summary of the invention
The present invention is directed in existing modified aluminas production technology and Ageing solution is directly discharged in trench treatment tank,
It is unified to carry out sewage treatment, since sodium nitrate and aluminium hydroxide consumption in modified aluminas production technology are bigger than normal, directly into
The problem of row sewage discharge processing causes certain wasting of resources provides a kind of Ageing solution recycling of modified aluminas production technology
System and recovery method.
The present invention solves above-mentioned technical problem, the technical solution adopted is that, the Ageing solution of modified aluminas production technology returns
Receipts system includes liquid storage tank after ageing tank, aging filter press and aging, and liquid exports after aging trench bottom is provided with aging, after aging
It is provided with aging pressing filtering liquid entrance at the top of liquid storage tank, liquid storage tank lower part is provided with the outlet of aging pressing filtering liquid, liquid after aging after aging
Outlet is connected to by delivery pipe with aging pressing filtering liquid entrance, and aging filter press is located in delivery pipe, and the outlet of aging pressing filtering liquid passes through
Connecting tube is connected to the thin seed subsider in alumina producing system decomposition of crystal seed.
The purpose designed in this way is, forms aging by liquid storage tank after ageing tank, aging filter press and aging by being arranged
Ageing solution is made in liquid recovery system, ageing tank, and aging filter press carries out filters pressing processing to Ageing solution, applies a level pressure to Ageing solution
Power, so that wherein substance dialysis comes out, then is kept in pressing filtering liquid by liquid storage tank after aging, it is brilliant for aluminium oxide production system
Thin seed subsider in kind decomposition uses, and completes Ageing solution recycling and reusing.
It solves and Ageing solution is directly discharged in trench treatment tank in existing modified aluminas production technology, it is unified
Sewage treatment is carried out, since sodium nitrate and aluminium hydroxide consumption in modified aluminas production technology are bigger than normal, is directly carried out dirty
Water emission treatment causes the problem of certain wasting of resources.
Further, it is provided with slot cover at the top of ageing tank, vallecular cavity is provided in ageing tank, is provided with rotating electric machine in slot cover
With liquid entrance after precipitating, rotation axis connection in the power output end of rotating electric machine and insertion vallecular cavity is connected in rotary shaft and stirs
Mix mechanism.
Further, rabbling mechanism includes the first rabbling mechanism and the second rabbling mechanism, and the first rabbling mechanism is located at rotation
In the middle part of axis, the second rabbling mechanism is located at rotary shaft bottom.
Optionally, the first rabbling mechanism includes the first rabbling mechanism attachment base, the first blade and the second blade, the first stirring
Mechanism attachment base is socketed on the rotary shaft, and the first rabbling mechanism attachment base is connect with the first blade and the second blade respectively, and second
Rabbling mechanism includes the second rabbling mechanism attachment base, third blade and quaterfoil, and the second rabbling mechanism attachment base is socketed in rotation
In shaft, the second rabbling mechanism attachment base is connect with third blade and quaterfoil respectively.
Optionally, the first blade is located above the second blade, and the first rabbling mechanism attachment base and the first blade lower part connect
It connects, the first rabbling mechanism attachment base is connect with the second blade top, and third blade is located above quaterfoil, and the second blender
Structure attachment base is connect with third blade lower part, and the second rabbling mechanism attachment base is connect with quaterfoil top.
Optionally, the first blade, the second blade, third blade are identical with quaterfoil size, and surface is provided with and leads
Chute.
Optionally, heating rod is additionally provided in vallecular cavity, heating rod is located at below rabbling mechanism, and ageing tank outer wall, which is coated with, to be protected
Warm layer.
Optionally, aging trench bottom is conical structure, and the bus angle with horizontal plane of conical structure is 20 °, after aging
Liquid outlet is located at conical structure bottom, and liquid storage tank side wall is provided with manhole after aging.
Present invention also provides a kind of Ageing solution recovery methods of modified aluminas production technology, comprising the following steps:
The first step imports liquid after the precipitating in precipitation tank in vallecular cavity from liquid entrance after the precipitating that ageing tank top slot covers, into
Ageing solution is made in row aging reaction；
Ageing solution is delivered in aging filter press by liquid outlet after aging through delivery pipe, after filters pressing, is made by second step
Aging pressing filtering liquid；
Third step, by aging pressing filtering liquid, by delivery pipe, the liquid storage tank after aging pressing filtering liquid entrance is delivered to aging is kept in；
Aging pressing filtering liquid after aging in liquid storage tank is delivered to subsider by the outlet of aging pressing filtering liquid, completed old by the 4th step
Change liquid recycling and reusing.
Beneficial effects of the present invention include at least following one；
1, Ageing solution recovery system is formed by liquid storage tank after setting ageing tank, aging filter press and aging, ageing tank is made old
Change liquid, aging filter press carries out filters pressing processing to Ageing solution, applies certain pressure to Ageing solution, so that wherein substance dialysis goes out
Come, then kept in pressing filtering liquid by liquid storage tank after aging, used for subsider, completes Ageing solution recycling and reusing.
2, it solves and Ageing solution is directly discharged in trench treatment tank in existing modified aluminas production technology, unite
One carries out sewage treatment, since sodium nitrate and aluminium hydroxide consumption in modified aluminas production technology are bigger than normal, directly carries out
The problem of sewage discharge processing causes certain wasting of resources.
Detailed description of the invention
Fig. 1 is the Ageing solution recovery system structural schematic diagram of modified aluminas production technology；
Fig. 2 is rabbling mechanism structural schematic diagram；
In the figure, it is marked as 1 being ageing tank, 2 being slot cover, 3 be vallecular cavity, 4 be rotating electric machine, 5 be heating rod, 6 being that liquid goes out after aging
Mouthful, 7 be delivery pipe, 8 be aging filter press, 9 be aging pressing filtering liquid entrance, 10 be the first rabbling mechanism, 1001 be the first stirring
Mechanism attachment base, 11 be the second rabbling mechanism, 1101 be the second rabbling mechanism attachment base, 12 be liquid storage tank after aging, 13 be old
Change pressing filtering liquid outlet, 14 be manhole, 15 be the first blade, 16 be the second blade, 17 be third blade, 18 be quaterfoil,
19 it is diversion trench, 20 be rotary shaft, 21 be connecting tube, 22 is subsider.
Specific embodiment
It is clear in order to enable the objectives, technical solutions, and advantages of the present invention to be more clear, below in conjunction with attached drawing and implementation
The present invention will be described in further detail for example.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention protection content.
Embodiment 1
As shown in Figure 1, as shown in Figure 1, the Ageing solution recovery system of modified aluminas production technology includes ageing tank 1, aging pressure
Liquid storage tank 12 after filter 8 and aging, 1 bottom of ageing tank are provided with liquid outlet 6 after aging, are provided at the top of liquid storage tank 12 after aging
Aging pressing filtering liquid entrance 9,12 lower part of liquid storage tank is provided with aging pressing filtering liquid outlet 13 after aging, and liquid outlet 6 is by defeated after aging
Pipe 7 is sent to be connected to aging pressing filtering liquid entrance 9, aging filter press 8 is located in delivery pipe 7, and aging pressing filtering liquid outlet 13 passes through connection
Pipe 21 is connected to subsider 22.
In use, liquid storage tank forms Ageing solution recovery system, ageing tank system after setting ageing tank, aging filter press and aging
Ageing solution is obtained, aging filter press carries out filters pressing processing to Ageing solution, applies certain pressure to Ageing solution, so that wherein substance dialysis
Out, then by liquid storage tank after aging by pressing filtering liquid it keeps in, is used for subsider, complete Ageing solution recycling and reusing.Solution
Ageing solution is directly discharged in trench treatment tank in existing modified aluminas production technology of having determined, it is unified to carry out at sewage
Reason, since sodium nitrate and aluminium hydroxide consumption in modified aluminas production technology are bigger than normal, directly progress sewage discharge processing
The problem of causing certain wasting of resources.
Embodiment 2
Based on embodiment 1, it is provided with slot cover 2 at the top of ageing tank 1, vallecular cavity 3 is provided in ageing tank 1, rotation is provided in slot cover 2
The power output end of liquid entrance after motor 4 and precipitating, rotating electric machine 4 is connect with the rotary shaft 20 in insertion vallecular cavity 3, rotary shaft 20
On be connected with rabbling mechanism.Rabbling mechanism includes the first rabbling mechanism 10 and the second rabbling mechanism 11, the first rabbling mechanism 10
In 20 middle part of rotary shaft, the second rabbling mechanism 11 is located at 20 bottom of rotary shaft.
In use, being arranged rotating electric machine on groove body top, aging material can preferably be stirred, band of being more convenient for
The dynamic aging material for being deposited on groove body bottom is mobile.The first rabbling mechanism positioned at middle part and the second stirring positioned at bottom are set
Mechanism is stirred from two levels, has the function that the effect for reinforcing being stirred when ingredient.
Embodiment 3
Based on embodiment 2, as shown in Fig. 2, the first rabbling mechanism 10 includes the first rabbling mechanism attachment base 1001, the first blade 15
With the second blade 16, the first rabbling mechanism attachment base 1001 is socketed in rotary shaft 20, and the first rabbling mechanism attachment base 1001 divides
It is not connect with the first blade 15 and the second blade 16, the second rabbling mechanism 11 includes the second rabbling mechanism attachment base 1101, third
Blade 17 and quaterfoil 18, the second rabbling mechanism attachment base 1101 are socketed in rotary shaft 20, the second rabbling mechanism attachment base
1101 connect with third blade 17 and quaterfoil 18 respectively.First blade 15 is located at 16 top of the second blade, and the first stirring
Mechanism attachment base 1001 is connect with 15 lower part of the first blade, and the first rabbling mechanism attachment base 1001 and 16 top of the second blade connect
It connecing, third blade 17 is located at 18 top of quaterfoil, and the second rabbling mechanism attachment base 1101 is connect with 17 lower part of third blade,
Second rabbling mechanism attachment base 1101 is connect with 18 top of quaterfoil.
In use, being arranged by the way that the first rabbling mechanism being made of the first blade and the second blade is arranged by third blade
With the second rabbling mechanism of quaterfoil composition, it is stirred in rotating electric machine rotation, due to the first blade and the second blade,
Third blade and quaterfoil are to shift to install, and one on the other, the vortex that when rotation generates can improve whole from upper and flow downward
Body agitation and dilution effect.
Embodiment 4
Based on embodiment 3, the first blade 15, the second blade 16, third blade 17 are identical with 18 size of quaterfoil, and surface is equal
It is provided with diversion trench 19.
In use, the guidance for enabling raw material with upper and lower eddy motion in diversion trench by the way that diversion trench is arranged
Under, it further quickly moves up or down, improves whole agitation and dilution effect.
Embodiment 5
Based on embodiment 1, heating rod 5 is additionally provided in vallecular cavity 3, heating rod 5 is located at below rabbling mechanism, and 1 outer wall of ageing tank applies
It is covered with insulating layer.
In use, heating by the heating rod being arranged to aging material, the efficiency of aging reaction is improved, in ageing tank
Heat damages can be greatly reduced in the insulating layer of outer wall coating asbestos material, improve heat insulation effect.
Embodiment 6
Based on embodiment 1,1 bottom of ageing tank is conical structure, and the bus angle with horizontal plane of conical structure is 20 °, aging
Liquid outlet 6 is located at conical structure bottom afterwards, and 12 side wall of liquid storage tank is provided with manhole 14 after aging.
In use, the slot bottom of ageing tank uses conical structure, precipitating is produced as intermittent, element of cone angle with horizontal plane
It is 20 °, can be all transported out and easy to clean after aging compared to its material of flat-bottom slot.
Embodiment 7
A kind of Ageing solution recovery method of modified aluminas production technology, comprising the following steps:
The first step imports liquid after the precipitating in precipitation tank in vallecular cavity 3 from liquid entrance after the precipitating in 1 top slot cover 2 of ageing tank,
Aging reaction is carried out, Ageing solution is made；
Ageing solution is delivered in aging filter press 8 by liquid outlet 6 after aging through delivery pipe 7 by second step, after filters pressing,
Aging pressing filtering liquid is made；
Third step carries out aging pressing filtering liquid temporarily by the liquid storage tank 12 after aging pressing filtering liquid entrance 9 is delivered to aging of delivery pipe 7
It deposits；
Aging pressing filtering liquid after aging in liquid storage tank 12 is delivered to subsider by aging pressing filtering liquid outlet 13 by the 4th step, complete
At Ageing solution recycling and reusing.
In use, Ageing solution is made by ageing tank, aging filter press carries out filters pressing processing to Ageing solution, applies to Ageing solution
Add certain pressure, so that wherein substance dialysis comes out, then is kept in pressing filtering liquid by liquid storage tank after aging, and pass through aging
The pump housing built in liquid storage tank is delivered to subsider afterwards, uses for subsider, completes Ageing solution recycling and reusing.Solves existing modification
Ageing solution is directly discharged in trench treatment tank in process for making alumina, it is unified to carry out sewage treatment, due to nitric acid
Sodium and aluminium hydroxide consumption in modified aluminas production technology are bigger than normal, directly carry out sewage discharge processing and cause certain money
The problem of source wastes.
Claims (9)
1. the Ageing solution recovery system of modified aluminas production technology, it is characterised in that: including ageing tank (1), aging filter press
(8) and after aging liquid storage tank (12), ageing tank (1) bottom are provided with liquid outlet (6) after aging, liquid storage tank after the aging
(12) top is provided with aging pressing filtering liquid entrance (9), and liquid storage tank (12) lower part is provided with aging pressing filtering liquid outlet (13) after aging,
Liquid outlet (6) is connected to by delivery pipe (7) with aging pressing filtering liquid entrance (9) after the aging, and the aging filter press (8) is located at
In delivery pipe (7), the aging pressing filtering liquid outlet (13) is connected to by connecting tube (21) with subsider (22).
2. the Ageing solution recovery system of modified aluminas production technology according to claim 1, it is characterised in that: described old
Change and be provided with slot cover (2) at the top of slot (1), is provided with vallecular cavity (3) in ageing tank (1), is provided with rotating electric machine on the slot cover (2)
(4) and after precipitating liquid entrance, the power output end of the rotating electric machine (4) are connect with the rotary shaft (20) in insertion vallecular cavity (3),
Rabbling mechanism is connected on the rotary shaft (20).
3. the Ageing solution recovery system of modified aluminas production technology according to claim 2, it is characterised in that: described to stir
Mixing mechanism includes the first rabbling mechanism (10) and the second rabbling mechanism (11), and first rabbling mechanism (10) is located at rotary shaft
(20) middle part, the second rabbling mechanism (11) are located at rotary shaft (20) bottom.
4. the Ageing solution recovery system of modified aluminas production technology according to claim 3, it is characterised in that: described
One rabbling mechanism (10) includes the first rabbling mechanism attachment base (1001), the first blade (15) and the second blade (16), and described the
One rabbling mechanism attachment base (1001) is socketed on rotary shaft (20), the first rabbling mechanism attachment base (1001) respectively with the first leaf
Piece (15) and the second blade (16) connection, second rabbling mechanism (11) include the second rabbling mechanism attachment base (1101), the
Three blades (17) and quaterfoil (18), the second rabbling mechanism attachment base (1101) are socketed on rotary shaft (20), and second
Rabbling mechanism attachment base (1101) is connect with third blade (17) and quaterfoil (18) respectively.
5. the Ageing solution recovery system of modified aluminas production technology according to claim 4, it is characterised in that: described
One blade (15) is located above the second blade (16), and the first rabbling mechanism attachment base (1001) and the first blade (15) lower part connect
It connects, the first rabbling mechanism attachment base (1001) is connect with the second blade (16) top, and the third blade (17) is located at the 4th leaf
Above piece (18), and the second rabbling mechanism attachment base (1101) is connect with third blade (17) lower part, the connection of the second rabbling mechanism
Seat (1101) is connect with quaterfoil (18) top.
6. the Ageing solution recovery system of modified aluminas production technology according to claim 5, it is characterised in that: described
One blade (15), the second blade (16), third blade (17) are identical with quaterfoil (18) size, and surface is provided with water conservancy diversion
Slot (19).
7. the Ageing solution recovery system of modified aluminas production technology according to claim 2, it is characterised in that: the slot
It is additionally provided with heating rod (5) in chamber (3), heating rod (5) is located at below rabbling mechanism, and ageing tank (1) outer wall, which is coated with, to be protected
Warm layer.
8. the Ageing solution recovery system of modified aluminas production technology according to claim 1, it is characterised in that: described old
Change slot (1) bottom is conical structure, and the bus angle with horizontal plane of conical structure is 20 °, and liquid outlet (6) is located at circle after aging
Wimble structure bottom, liquid storage tank (12) side wall is provided with manhole (14) after the aging.
9. the Ageing solution recovery method of modified aluminas production technology, it is characterised in that: the following steps are included:
Liquid after precipitating in precipitation tank is imported vallecular cavity from liquid entrance after the precipitating at the top of ageing tank (1) in slot cover (2) by the first step
(3) in, aging reaction is carried out, Ageing solution is made；
Ageing solution is delivered in aging filter press (8) by liquid outlet (6) after aging through delivery pipe (7), through over-voltage by second step
After filter, aging pressing filtering liquid is made；
Aging pressing filtering liquid is passed through delivery pipe (7) liquid storage tank (12) after aging pressing filtering liquid entrance (9) is delivered to aging by third step
It is kept in；
Aging pressing filtering liquid after aging in liquid storage tank (12) is delivered to sedimentation by aging pressing filtering liquid outlet (13) by the 4th step
Slot completes Ageing solution recycling and reusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910081888.9A CN109607583A (en) | 2019-01-28 | 2019-01-28 | The Ageing solution recovery system and recovery method of modified aluminas production technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910081888.9A CN109607583A (en) | 2019-01-28 | 2019-01-28 | The Ageing solution recovery system and recovery method of modified aluminas production technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127857A (en) * | 2011-12-05 | 2013-06-05 | 沈阳铝镁设计研究院有限公司 | High-performance arc surface mixing propeller provided with diversion trench |
| CN203609931U (en) * | 2014-01-21 | 2014-05-28 | 山东宝力生物质能源股份有限公司 | Conical settling pool |
| CN104085907A (en) * | 2014-07-22 | 2014-10-08 | 温州精晶氧化铝有限公司 | Method for preparing large-pore-volume high-viscosity pseudo bohemite |
-
2019
- 2019-01-28 CN CN201910081888.9A patent/CN109607583A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127857A (en) * | 2011-12-05 | 2013-06-05 | 沈阳铝镁设计研究院有限公司 | High-performance arc surface mixing propeller provided with diversion trench |
| CN203609931U (en) * | 2014-01-21 | 2014-05-28 | 山东宝力生物质能源股份有限公司 | Conical settling pool |
| CN104085907A (en) * | 2014-07-22 | 2014-10-08 | 温州精晶氧化铝有限公司 | Method for preparing large-pore-volume high-viscosity pseudo bohemite |
Non-Patent Citations (1)
| Title |
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| 厉衡隆等: "《铝冶炼生产技术手册.上册》", 31 July 2011, 冶金工业出版社 * |
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