CN202020936U - Extraction tank with rapid clarifying function - Google Patents
Extraction tank with rapid clarifying function Download PDFInfo
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- CN202020936U CN202020936U CN2011201121912U CN201120112191U CN202020936U CN 202020936 U CN202020936 U CN 202020936U CN 2011201121912 U CN2011201121912 U CN 2011201121912U CN 201120112191 U CN201120112191 U CN 201120112191U CN 202020936 U CN202020936 U CN 202020936U
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- extraction tank
- clarifying
- cell body
- fleece
- extraction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses an extraction tank with a rapid clarifying function. Based on an existing structure of a whole extraction tank, at least one layer of fiber net is arranged in a clarifying chamber in a direction perpendicular to the liquid flowing direction, the fiber net is fixed on a hollow support frame or a hollow inserting plate, and the hollow support frame or the hollow inserting plate can vertically move in an inserting groove of the lateral wall of a tank body. Accordingly, when an oil-water mixing system passes through the fiber net, liquid drops of a dispersed phase are gathered and become large, the sedimentation velocity of the liquid drops in a continuous phase is greatly quickened, and the clarifying effect is improved correspondingly. The extraction tank is simple in structure, low in one-time investment cost, convenient in use and maintenance and good in separating effect, can improve the extraction stage efficiency when being applied to the production, improves product purity, reduces product impurities, lowers acid and alkali consumption, and reduces remains in the tank and pollutants in discharged waste water.
Description
Technical field
The utility model relates to hydrometallurgical extraction groove or mixer-settler extractor, is specifically related to a kind of extraction tank that is applicable to the quick clarification of rare metal or rare earth extraction.
Background technology
Extraction is mainly used to separating liquid or solid mixture, utilize the difference of each component solubility in appropriate solvent in the material liquid and realize the separation of component in the mixed liquor, in the mixed solution of extraction with the various ingredients coexistence, selectivity is transferred to a certain solute A in the extractant, thereby reaches the purpose of separating with enrichment.
Solvent extraction is in atomic energy, hydrometallurgy, biochemical industry, field of petrochemical industry extensive use, and at present, industrial extraction equipment commonly used mainly contains extraction column, centrifugal extractor, several big classes of mixer-settler.Wherein, mixer-settler because of its have high efficiency, operating flexibility big, enlarge design and be able to extensive use than advantage such as reliable.As far back as nineteen twenty-nine, Holley and Mott have promptly developed first mixer-settler extractor cell arrangement.Box mixer-settler is invented by Britain windscale factory the earliest, Britain wore dimension afterwards. and Margie company (Davy Mckee) develops " associating mixed settler extractor ", be also referred to as " CMS extractor " (CMS ConcePt), be considered to the major progress of mixer settler extractor development.Utilize the hydraulics equilibrium relation and shear centrifugal force by means of agitator to produce swabbing action, heavy phase enters mixing chamber by one-level clarifying chamber, back through the heavy phase mouth, and gently flows into mixing chamber voluntarily by the previous stage clarifying chamber.Mixed liquor enters this grade clarifying chamber and carries out phase-splitting.With regard to one-level, two-phase is and stream with regard to mixer-settler, but with regard to whole box mixer-settler, two-phase is an adverse current.
Existing rare metal or rare earth extraction separate the separation equipment extraction tank of purifying, generally self-flow pattern falls in feed type and organic facies, heavy phase depended on pressure under the latent chamber of employing band, its principle is the mixing chamber with organic facies and heavy phase introducing extraction tank, under the paddle effect of mixing chamber, make organic facies and heavy phase mixing, counterdiffusion realization response mutually, mixed phase flow is gone into the clarifying chamber, organic facies and heavy phase in mixing mutually are separated from each other and clarify under the gravity effect, finish the single extraction reaction.Organic facies of telling and heavy phase oppositely flow into adjacent another grade extraction tank and repeat above-mentioned organic facies and heavy phase is mixed, the layering clarification.Rare metal or Rare Earth Separation generally need be together in series 70-130 level extraction tank, just can finish the separation of rare metal or rare earth.The shortcoming of above-mentioned separation equipment maximum is that the extraction tank stage efficiency is low, therefore a lot of level of needs extraction tanks carry out separation repeatedly, acid and alkali consumption is big, extraction tank overstocks that extracted organic phase, rare metal or rare earth content are many, and power consumption is big, and floor space is wide, especially to separation difficulty, rare metal or rare earth that separation is little, need the technology and the extractant of technical sophistication, efficient is low, the expense height.
With regard to the low problem of extraction tank stage efficiency, forefathers have also done a lot of good tries.Application number is that CN200920050991.9, publication number are the patent application of CN201379987 " a kind of pair of clarifying chamber's adverse current hybrid extraction groove ", improves stage efficiency reduction acid and alkali consumption by change and two clarifying chamber of mixing chamber feeding manner.Application number is that CN02220427.X, publication number are the patent application of CN2533934 " a kind of improved Rare Earth Separation extraction tank ", adopt the glass fibre reinforced plastic integral structure, suitable for reading and peripheral stiffener (muscle) arranged, peripheral corner and bottom surface corner camber structure do not have the extraction dead angle.But above extraction tank exists processing inconvenience, and existing cell body is changed excessive problem, and stage efficiency improves the limited problem of effect, and all clarifying chambers all only adopt the gravity natural subsidence, and sinking speed is slow, and clarifying effect is poor.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of extraction tank of quick clarification, on existing extraction tank basis, by increasing the dispersion particle diameter in the continuous phase, improve the speed of particles settling, shortened settling time, improve stage efficiency.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of quick settler extractor comprises cell body; Cell body is divided into mixing chamber and clarifying chamber by first baffle plate of the top board fixed connection of upper end and cell body and the second baffle of lower end and cell body base plate fixed connection; In mixing chamber, be provided with agitator; The sidewall paneling position of terminal adjacent cell body is provided with the inlet that can connect with the mixing chamber of the adjacent cell body of front and back stages in the clarifying chamber, described inlet is located at leakage path under the water of return flow line and bottom on the organic facies on top respectively, in the clarifying chamber with the perpendicular setting of liquid flow direction one deck fleece at least.
Further, aforesaid extraction tank, described fleece place the water and the organic facies of clarifying chamber fully.
Further, aforesaid extraction tank, described fleece place the aqueous phase of bottom, clarifying chamber.
Further, aforesaid extraction tank, described fleece places the organic facies on top, clarifying chamber.
Further, aforesaid extraction tank, described fleece can be installed multistage, and the preferred fleece number of plies is a layer 2-4.
Further, aforesaid extraction tank,, described fleece is fixed on the hollow support frame or hollow plate of clarifying chamber.
Further, aforesaid extraction tank, but described fleece multilayer folding is fixed on hollow support frame or the hollow plate.
Further again, aforesaid extraction tank, described hollow support is placed in the slot of cell body sidewall, and hollow support frame can move up and down in slot.
Further, aforesaid extraction tank, described hollow plate places in the slot of cell body sidewall, and the hollow plate can move up and down in slot.
Effect of the present utility model is as follows: the utility model is because on the basis that does not change existing extraction tank general structure, increased the fleece that is fixed on hollow support frame or the hollow plate, thereby when making the decentralized photo process fleece of profit mixed system, the decentralized photo preferential wetting is at fiber surface, and constantly collide, be agglomerated into bigger drop, the particle disengaging fiber surface of growing up when running into the intersection of two fibers.Decentralized photo pools bigger particle at fiber surface and settles from continuous phase.Because growing up of particle improved sinking speed greatly, improved clarifying effect accordingly.The utility model is simple in structure, and disposable input cost is low, and working service is easy, can make extraction stage efficiency improve in being applied to produce, separating effect improves, and product purity improves, and product impurity reduces, acid and alkali consumption reduces, and reduces and deposits the groove amount, and pollutant reduces in the discharge of wastewater.
Description of drawings
Fig. 1 is the extraction tank profile among the utility model embodiment 1;
Fig. 2 is the extraction tank profile among the utility model embodiment 2;
Fig. 3 is the extraction tank profile among the utility model embodiment 3.
The specific embodiment
Core concept of the present utility model is: existing extraction tank exists the problem that processing is constant, stage efficiency is low, and the clarifying chamber all adopts the gravity natural subsidence, and sinking speed is slow, and clarifying effect is poor.The utility model is according to Stokes formula:
We know by formula: sinking speed V and water content in oil diameter D square are directly proportional, and are directly proportional with the density contrast P of water oil, and η is inversely proportional to oil viscosity.By increasing the moisture diameter, enlarge the profit density contrast, reduce oil viscosity and can improve sedimentation separation speed, thereby improve separative efficiency.In the extract and separate system, because determining of organic facies and water causes profit density contrast, viscosity all fixing, then can significantly increase sinking speed to improve clarifying efficiency if can increase the diameter of particle, shorten the sedimentation time.
Below in conjunction with Figure of description and specific embodiment the utility model is described in further detail.
Fig. 1 shows the profile of a kind of quick settler extractor among the utility model embodiment 1, and this extraction tank comprises cell body; Cell body is divided into mixing chamber 1 and clarifying chamber 2 by first baffle plate 3 of the top board fixed connection of upper end and cell body and the second baffle 4 of lower end and cell body base plate fixed connection; In mixing chamber, be provided with agitator 6; The sidewall paneling position of 2 terminal adjacent cell bodies is provided with the inlet that can connect with the mixing chamber of the adjacent cell body of front and back stages in the clarifying chamber, the organic facies II that inlet is located at top respectively goes up leakage path under the water I of return flow line and bottom, it is characterized in that: in the clarifying chamber 2 with the perpendicular setting of liquid flow direction one deck fleece 5 at least, fleece 5 is fixed on the hollow support frame or hollow plate of clarifying chamber 2, hollow support frame and hollow plate place in the slot of cell body sidewall, can move up and down in slot; Hollow support frame and hollow plate also can be made up of iron wire and waddy, play the effect of anchoring fiber net 5.
Wherein, fleece 5 can be installed multistage as required, preferably layer 2-4.Fleece 5 can insert in the clarifying chamber fully, and organic facies and water all pass through fleece; Fleece 5 also can be most of in the water I of bottom, clarifying chamber to accelerate the clarification of water; Fleece 5 also can be most of in the organic facies II on top, clarifying chamber to accelerate the clarification of organic facies; Fleece 5 is selected oleophilic drainage material or hydrophilic oleophobic material as required for use.The fiber of fleece 5 is selected from material or composites such as polytetrafluoroethylene (PTFE), polyester, polypropylene, polyethylene, nylon, glass, stainless steel.
Below in conjunction with specific embodiment the utility model is described further.
Fig. 1 shows the profile of the extraction tank among the embodiment 1, and the fleece 5 among this embodiment inserts among the water I and organic facies II of clarifying chamber fully, is applied to the extraction separation process of high-purity rare-earth.Increased by 4 layers of hollow plate that is coated with fleece 5 in the present embodiment in extraction tank, it is coalescent that organic facies and water pass through fleece fully, and the diameter of particle increases, and has significantly increased particle sinking speed, improves clarifying efficiency, shortens the sedimentation time.
By extraction tank described in the utility model, with the prior art equal conditions down relatively, clarifying effect obviously improves, rare earth is carried minimizing secretly, rare-earth products purity is increased to 99.999% by original 99.99%.
Fig. 2 shows the profile of extraction tank among the embodiment 2, fleece 5 most of insertions among the water I of clarifying chamber among this embodiment, to quicken the clarification of water, organic facies can be passed through naturally, be applied to the last of metal extraction, this moment, the metal ion of aqueous phase entered organic facies fully, and water discharges as extraction wastewater.Contain more organic facies drop in the waste water of conventional directly clarification discharging, cause waste discharge oil content, phosphorus, COD higher.Present embodiment has increased by 4 layers of hollow support frame that is coated with oleophilic drainage web material 5 in extraction tank, water passes through fast, and oil droplet is the coalescent floating upward quickly of growing up on fleece, and the oil content in the waste discharge, phosphorus, COD index all decline to a great extent.
Fig. 3 shows the profile of extraction tank among the embodiment 3, fleece 5 major parts among this embodiment are inserted among the organic facies II on top, clarifying chamber, to accelerate the clarification of organic facies, water can pass through naturally, be applied in the sulfuric acid rare earth P204 abstraction and type-reverting process, rare earth metal enters P 204 organic facies from water I, and water remnants are sulfuric acid solution.Because of the little water droplet that exists in the organic facies comprises sulfuric acid, cause the impure SO of final rare-earth products
4 2-Present embodiment has increased by 2 layers of hollow plate that is coated with hydrophilic oleophobic material fleece 5 in extraction tank, oil phase passes through fast, and water droplet coalescent growing up on fleece descends the SO that carries secretly in the organic facies fast
4 2-Obviously reduce more than 60%.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technology thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. an extraction tank of clarifying fast comprises cell body; Cell body is divided into mixing chamber (1) and clarifying chamber (2) by first baffle plate (3) of the top board fixed connection of upper end and cell body and the second baffle (4) of lower end and cell body base plate fixed connection; In mixing chamber (1), be provided with agitator (6); The sidewall paneling position of (2) terminal adjacent cell body is provided with the inlet that can connect with the mixing chamber of the adjacent cell body of front and back stages in the clarifying chamber, described inlet is located at the following leakage path of water (I) of the last return flow line of organic facies (II) and the bottom on top respectively, and it is characterized in that: the setting that clarifying chamber (2) are interior and liquid flow direction is perpendicular is one deck fleece (5) at least.
2. extraction tank as claimed in claim 1 is characterized in that: described fleece (5) places the water (I) and the organic facies (II) of clarifying chamber (2) fully.
3. extraction tank as claimed in claim 1 is characterized in that: described fleece (5) places the water (I) of bottom, clarifying chamber (2).
4. extraction tank as claimed in claim 1 is characterized in that: described fleece (5) places the organic facies (II) on top, clarifying chamber (2).
5. as any described extraction tank among the claim 1-4, it is characterized in that: the number of plies of described fleece (5) is a layer 2-4.
6. extraction tank as claimed in claim 1 is characterized in that: described fleece (5) is fixed on the hollow support frame or hollow plate of clarifying chamber.
7. extraction tank as claimed in claim 6 is characterized in that: described fleece (5) multilayer folding is fixed on hollow support frame or the hollow plate.
8. as claim 6 or 7 described extraction tanks, it is characterized in that: described hollow support is placed in the slot of cell body sidewall.
9. as claim 6 or 7 described extraction tanks, it is characterized in that: described hollow plate places in the slot of cell body sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201121912U CN202020936U (en) | 2011-04-15 | 2011-04-15 | Extraction tank with rapid clarifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201121912U CN202020936U (en) | 2011-04-15 | 2011-04-15 | Extraction tank with rapid clarifying function |
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| Publication Number | Publication Date |
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| CN202020936U true CN202020936U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201121912U Expired - Lifetime CN202020936U (en) | 2011-04-15 | 2011-04-15 | Extraction tank with rapid clarifying function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106756130A (en) * | 2016-12-30 | 2017-05-31 | 核工业北京化工冶金研究院 | The device and method of uranium are extracted in a kind of ore pulp from high density |
| CN109985414A (en) * | 2019-04-19 | 2019-07-09 | 杭州天易成环保设备股份有限公司 | New and effective hybrid extraction system and its extracting process |
| CN110819796A (en) * | 2019-11-18 | 2020-02-21 | 金川集团股份有限公司 | Rotary grating device for extraction box |
| CN113639821A (en) * | 2021-08-09 | 2021-11-12 | 中国北方稀土（集团）高科技股份有限公司 | Fault judgment device and fault judgment method for mixed clarification extractor |
| CN115124156A (en) * | 2022-06-02 | 2022-09-30 | 中国科学院赣江创新研究院 | Device and method for deoiling raffinate in rare earth extraction process |
-
2011
- 2011-04-15 CN CN2011201121912U patent/CN202020936U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106756130A (en) * | 2016-12-30 | 2017-05-31 | 核工业北京化工冶金研究院 | The device and method of uranium are extracted in a kind of ore pulp from high density |
| CN106756130B (en) * | 2016-12-30 | 2019-02-26 | 核工业北京化工冶金研究院 | A kind of device and method for extracting uranium from high density ore pulp |
| CN109985414A (en) * | 2019-04-19 | 2019-07-09 | 杭州天易成环保设备股份有限公司 | New and effective hybrid extraction system and its extracting process |
| CN109985414B (en) * | 2019-04-19 | 2023-12-08 | 杭州天易成新能源科技股份有限公司 | Novel efficient mixed extraction system and extraction method thereof |
| CN110819796A (en) * | 2019-11-18 | 2020-02-21 | 金川集团股份有限公司 | Rotary grating device for extraction box |
| CN113639821A (en) * | 2021-08-09 | 2021-11-12 | 中国北方稀土（集团）高科技股份有限公司 | Fault judgment device and fault judgment method for mixed clarification extractor |
| CN115124156A (en) * | 2022-06-02 | 2022-09-30 | 中国科学院赣江创新研究院 | Device and method for deoiling raffinate in rare earth extraction process |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180801 Address after: 341900 Ring Road East Road, Ganzhou County, Jiangxi Province Patentee after: Ding Nan Dahua new material resources Co., Ltd. Address before: 100085 12D-1, B block 28, information road, Haidian District, Beijing. Patentee before: Minmetals (Beijing) Rare Earth Research Institute Co Ltd |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |