CN206168388U - But solid -liquid separation's hydrothermal reaction device - Google Patents
But solid -liquid separation's hydrothermal reaction device Download PDFInfo
- Publication number
- CN206168388U CN206168388U CN201621192018.7U CN201621192018U CN206168388U CN 206168388 U CN206168388 U CN 206168388U CN 201621192018 U CN201621192018 U CN 201621192018U CN 206168388 U CN206168388 U CN 206168388U
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- solid
- inner bag
- liquid separation
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Abstract
The utility model relates to a hydrothermal reaction technical field especially relates to a but solid -liquid separation's hydrothermal reaction device. The utility model discloses an inner bag, inner bag cover and the shell, and the shell outside is provided with the connecting rod around being equipped with the resistance wire in the inner bag, and connecting rod one end is connected with centrifugal filter screen, and the other end stretches out in the inner bag lid outside and is connected with the motor, and reaction unit includes still that elevating gear is used for realizing the relative motion of centrifugal filter screen and inner bag. The utility model discloses a centrifugal filter screen with be used for realizing the relative motion elevating gear of centrifugal filter screen with the inner bag, can realize under the highly compressed environment of hydrothermal cauldron high temperature, direct separation solid and liquid, guarantee by purification solid particle whole purification in -process until separate all be in high temperature and high pressure environment under, thereby can reduce and rise the dissolve loss of the solid particle of high -solvency reduction at the purification in -process along with the temperature, can also solve simultaneously owing to collect the aqueous solution and handle the extravagant problem of the manpower that leads to the fact and cost.
Description
Technical field
This utility model is related to hydro-thermal reaction engineering device technique field, more particularly to it is a kind of can solid-liquid separation hydro-thermal reaction dress
Put.
Background technology
Pure Lithium Carbonate is the important source material for preparing the cell positive materials such as LiFePO4, LiMn2O4, with low-carbon economy
With the intensification of New Energy Industry, the range of application of lithium carbonate constantly expands, and demand is growing, and its purity requirement is also got over
Come higher.Industry lithium processed is limited mainly by salt lake bittern and lithium brightness mining and metallurgy gold by its own condition, and primary lithium product is all work
Industry level lithium carbonate, and recently as the maturation of lithium technology is put forward, the international market supply and demand of industrial level lithium carbonate have tended to saturation, valency
Lattice significantly decline, therefore it is directly most economical method by raw material of industrial level lithium carbonate to prepare pure Lithium Carbonate.At present with
Industrial level lithium carbonate mainly has recrystallization method, causticizing process, electrolysis, carbonizatin method etc. for feedstock purification lithium carbonate.Recrystallization method letter
Single easy, mother solution can be recycled, but the material production cycle is long, and energy consumption is big;Causticizing process is big to the consumption of acid-base reagent, and
And the requirement to equipment is higher;Product purity is higher obtained in electrolysis, but production cost is higher, is unfavorable for large-scale production;
The purity and granularity of the easily controllable product of carbonizatin method, but production cost is high, and the response rate of lithium is low.
In the production and purge process of lithium carbonate, water-fast impurity such as Ca2+, Mg2+, Fe3+Etc. carbon can be passed through
The methods such as change, causticization are removed from lithium solution, and easily by water-soluble sodium salt, potassium salt in the last crystallization process of lithium carbonate
It is wrapped in intra-die, it is impossible to remove by simple washing.If to above-mentioned crystal grain again by methods such as dissolving, carbonizations
Internal impurity is discharged, then will consume a large amount of heat energy, water resource and reagent, and finally crystallize the solid carbonic acid for obtaining
Lithium still can unavoidably adulterate lithium carbonate impurity.
Soluble impurity Na has been contained for crystal structure inside+, K+, Cl-, SO4 2-Deng lithium carbonate, it is possible to use high pressure
Hydro-thermal method is removing these soluble impurities.First, the liquid in high-pressure hydrothermal reaction kettle can destroy under elevated pressure conditions carbon
The structure of sour lithium granule, and penetrating into inside granule so as in soluble impurity dissolution.Secondly, the dissolubility of lithium carbonate with
Temperature is raised and reduced.
But hydro-thermal method purification lithium carbonate there are two aspect technological difficulties, first, lithium carbonate has certain in water
Dissolubility, so inevitably there is solution loss during purification, although can collect aqueous solution is carried out back
Receive, but to expend a certain amount of heat energy and reagent;Secondly as water heating kettle be closed structure and also conduct oneself with dignity it is larger, it is difficult to
By the solid-liquid mass transport process in mechanical means intervention, reinforcing kettle.
Utility model content
The purpose of this utility model be propose it is a kind of can solid-liquid separation hydro-thermal reaction device come solve with temperature raise it is molten
There is larger solution loss problem in purification process in the solid particle that is purified that Xie Du is reduced, while can also solve due to collecting
Aqueous solution simultaneously carries out processing the waste problem of caused manpower and cost.
It is that, up to this purpose, this utility model is employed the following technical solutions:
It is a kind of can solid-liquid separation hydro-thermal reaction device, including inner bag, inner bladder cover and shell, the outer side is arranged with
Resistance wire, is provided with connecting rod in the inner bag, described connecting rod one end is connected with centrifugal filter, and the other end is stretched out in described
Bile cover outside is simultaneously connected with motor, and the reaction unit also includes that lowering or hoisting gear is used to realize centrifugal filter with the relative fortune of inner bag
It is dynamic.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, the outer casing bottom be provided with lifting dress
Put.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, the inner bag lower rotation is provided with slurry
Leaf, the paddle upper end is connected together with the connecting rod lower end.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, be provided with the inner bag bottom paddle turn
Axle, the paddle rotating shaft is connected with paddle, and the paddle upper end offers paddle buckle, and the connecting rod lower end is connected to described
Inside paddle buckle.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, the paddle include at least two blades.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, resistance wire outside is provided with insulation
Layer, the insulation layer material is heat-preservation cotton.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, thermocouple, institute are provided with the shell
State resistance wire to be connected in external control circuit with the thermocouple, be collectively forming feedback temperature control heating system.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, draw-in groove, institute are provided with the inner bladder cover
State inner bag upper end to be connected in inside the draw-in groove.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, be provided with sealing ring on the inner bladder cover,
The connecting rod passes through the sealing ring.
As it is a kind of can solid-liquid separation hydro-thermal reaction device preferred version, the material of the centrifugal filter is stainless
Steel.
The beneficial effects of the utility model are:
This utility model employs centrifugal filter and the lowering or hoisting gear for realizing centrifugal filter and the relative motion of inner bag,
After purification process is basically completed, when lowering or hoisting gear is in compressive state, centrifugal filter is separated with paddle, and is risen to anti-
Answer more than liquid level, motor drives centrifugal filter to rotate at a high speed, so as to realize being purified at high temperature under high pressure filling for granule and liquid
Separate so that rise solution loss of the solid particle of high-dissolvability reduction in purification process with temperature and reduce, and then guarantee
Turnover rate of such solid particle in purification process reaches minimum.Additionally, reducing the work collected aqueous solution and processed
Sequence, can reduce the waste of manpower and cost.
Description of the drawings
Technical scheme in order to be illustrated more clearly that this utility model embodiment, below will be to this utility model embodiment
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the content and these accompanying drawings of this utility model embodiment.
Fig. 1 be this utility model specific embodiment provide can solid-liquid separation hydro-thermal reaction device structural representation
Figure;
Fig. 2 be this utility model specific embodiment provide can solid-liquid separation hydro-thermal reaction device solid-liquid separation work
State diagram.
Labelling is as follows in figure:
1- inner bags;2- inner bladder covers;3- shells;4- resistance wires;5- connecting rods;6- centrifugal filters;7- lowering or hoisting gears;8- is starched
Leaf;9- motors;10- paddle rotating shafts;11- paddle buckles;12- heat-insulation layers;13- thermocouples;14 sealing rings.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and pass through
Specific embodiment is further illustrating the technical solution of the utility model.
The working method of this specific embodiment is:When lowering or hoisting gear 7 is in elongation state (such as Fig. 1), centrifugal filtration
Net 6 is located under liquid level of solution, the clamping of paddle buckle 11 that the connecting rod 5 of the bottom of centrifugal filter 6 and the upper end of paddle 8 offer,
Now, motor 9 drives connecting rod 5 to rotate, while also driving centrifugal filter 6 and paddle 8 to rotate, the mass transfer for playing reinforcing impurity is made
With raising impurity meltage in a liquid.
After purified reaction terminates, lowering or hoisting gear 7 is in compressive state (such as Fig. 2), and centrifugal filter 6 departs from paddle 8, and
On liquid level of solution, now, motor 9 drives centrifugal filter 6 to rotate at a high speed, and realization is carried under the temperature and pressure of hydro-thermal
Pure solid particle is sufficiently separated with liquid.
As Figure 1-Figure 2, this specific embodiment provide it is a kind of can solid-liquid separation hydro-thermal reaction device, it is including interior
Gallbladder 1, inner bladder cover 2 and shell 3, the outside of shell 3 is arranged with resistance wire 4, inner bag 1 and is provided with connecting rod 5, and the one end of connecting rod 5 connects
Centrifugal filter 6 is connected to, the other end stretches out in the outside of inner bladder cover 2 and is connected with motor 9, and reaction unit is also used including lowering or hoisting gear 7
In the relative motion for realizing centrifugal filter 6 and inner bag 1.
The bottom of shell 3 is provided with lowering or hoisting gear 7, the effect of lowering or hoisting gear 7 is, after purification process is basically completed,
When lowering or hoisting gear 7 is in contraction state (such as Fig. 2), centrifugal filter 6 is separated with the paddle 8 of the bottom of inner bag 1, and rises to reaction
More than liquid level, motor 9 drives centrifugal filter 6 to rotate at a high speed, so as to realize being purified at high temperature under high pressure filling for granule and liquid
Separate so that rise solution loss of the solid particle of high-dissolvability reduction in purification process with temperature and reduce, and then guarantee
Turnover rate of such solid particle in purification process reaches minimum.Additionally it is possible to reduce collecting aqueous solution and being processed
Operation, it is possible to reduce the waste of manpower and cost.
Can be stretched by lowering or hoisting gear 7 with being provided with lowering or hoisting gear 7 in the upper end of connecting rod 5, it is possible to achieve connection
The motion of bar 5, so as to drive centrifugal filter 6 to move, and then realizes the relative motion of centrifugal filter 6 and inner bag 1;Or in shell
3 tops are provided with lowering or hoisting gear 7, by the flexible of lowering or hoisting gear 7, realize the motion of shell 3 and inner bag 1, and then realize centrifugation
The relative motion of filter screen 6 and inner bag 1;Or connecting rod 5 itself can be stretched by external control, such that it is able to drive centrifugation
Filter screen 6 moves up and down, and then realizes the relative motion of centrifugal filter 6 and inner bag 1;Or lowering or hoisting gear 7 can also adopt above-mentioned
The MULTIPLE COMPOSITE of structure.Additionally, for the lowering or hoisting gear 7 of each above-mentioned different attachment structure, lowering or hoisting gear 7 can be arranged
For multigroup.
Paddle rotating shaft 10 is provided with the bottom of inner bag 1, paddle rotating shaft 10 is connected with paddle 8, two leaves are included in paddle 8
Piece, the upper end of paddle 8 offers paddle buckle 11, and the lower end of connecting rod 5 is connected to inside paddle buckle 11, and the upper end of connecting rod 5 is arranged
There is motor 9.When lowering or hoisting gear 7 is in elongation state (such as Fig. 1), centrifugal filter 6 is in below reaction liquid level, centrifugal filter 6
In the solid particle being purified among the reaction liquid, motor 9 can drive connecting rod 5 to rotate after being powered, connecting rod 5
Paddle 8 by driving the centrifugal filter 6 being fixed thereon and by being fixed in connecting rod 5 is rotated, so, external electrical
Machine 9 drives centrifugal filter 6 and paddle 8 low speed rotation together, play the effect of mass transmitting of reinforcing impurity, improves impurity in a liquid
Meltage.
Resistance wire 4 is wrapped in the periphery of inner bag 1, and thermocouple 13 is provided with shell 3, and resistance wire 4 is connected to thermocouple 13
In external control circuit, resistance wire 4, thermocouple 13 and external circuit composition feedback temperature control heating system.The material of resistance wire 4 is
Siderochrome nickel, its function is to convert electrical energy into interior energy, plays a part of to add hot liquid and is purified solid.Thermocouple 13 is temperature
The temperature element commonly used in measuring instrumentss, the temperature on its direct measurement shell 3, and temperature signal is converted into thermo-electromotive force letter
Number, the temperature of measured medium is converted into by electric meter.Whole feedback control system can realize reacting by heating kettle to setting
The purpose of temperature.Additionally, the outside of resistance wire 4 is provided with heat-insulation layer 12, the material of heat-insulation layer 12 is heat-preservation cotton.Heat-preservation cotton is by high-purity
Nontoxic, harmless, free of contamination novel heat insulation material made by the raw materials such as chamotte, alumina powder, Cab-O-sil, the chromium sand of degree
Material.Heat-preservation cotton can be further processed into the products such as tapetum fibrosum, plate, paper, cloth, rope.By adding heat-insulation layer 12, it is ensured that inner bag
Heat inside 1 do not allow it is easy to lose, so as to the temperature allowed inside inner bag 1 keeps constant.
Draw-in groove is provided with inner bladder cover 2, the upper end of inner bag 1 is connected in inside draw-in groove, so can by open inner bladder cover 2 to
The solid being purified is placed in the centrifugal filter 6 inside inner bag 1, the top of inner bag 1 is buckled in by inner bladder cover is 2-in-1, can be played
The effect of insulation, while avoid when carrying out purification process or carrying out solid- liquid separation process, liquid inside inner bag 1 or
Person's solid spills, it is ensured that the seal of whole reaction vessel.Additionally, being provided with sealing ring 14 on inner bladder cover 2, connecting rod 5 is worn
The sealing ring 14 of inner bag 1 is crossed, can so avoid having gap between inner bladder cover 2 and connecting rod 5, strengthen the close of whole reaction vessel
Closing property.
The material of centrifugal filter 6 is rustless steel, and rustless steel outside is coated with politef, and politef has anti-each
Organic solvent and resistant to elevated temperatures feature are planted, so centrifugal filter 6 has taken into account holding power and etch-proof need required during centrifugation
Ask.Additionally, for the system without chemical attack uses general rustless steel hard material.
Note, ultimate principle of the present utility model and principal character and of the present utility model excellent has been shown and described above
Point.It should be understood by those skilled in the art that, this utility model is not limited to the embodiments described above, and above-mentioned embodiment and says
Simply principle of the present utility model is illustrated described in bright book, on the premise of without departing from this utility model spirit and scope, this
Utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed this utility model,
Claimed scope of the present utility model is by appending claims and its equivalent thereof.
Claims (10)
1. it is a kind of can solid-liquid separation hydro-thermal reaction device, including inner bag (1), inner bladder cover (2) and shell (3), the shell (3)
Outside is arranged with resistance wire (4), it is characterised in that be provided with connecting rod (5), described connecting rod (5) one end in the inner bag (1)
Centrifugal filter (6) is connected with, the other end stretches out in the inner bladder cover (2) outside and is connected with motor (9), and the reaction unit is also
Including lowering or hoisting gear (7) for realizing the relative motion of centrifugal filter (6) and inner bag (1).
2. it is according to claim 1 can solid-liquid separation hydro-thermal reaction device, it is characterised in that shell (3) bottom
It is provided with lowering or hoisting gear (7).
3. it is according to claim 2 can solid-liquid separation hydro-thermal reaction device, it is characterised in that inner bag (1) bottom
Rotation is provided with paddle (8), and paddle (8) upper end is connected together with the connecting rod (5) lower end.
4. it is according to claim 3 can solid-liquid separation hydro-thermal reaction device, it is characterised in that inner bag (1) bottom
On be provided with paddle rotating shaft (10), the paddle rotating shaft (10) is connected with paddle (8), and paddle (8) upper end offers paddle
Buckle (11), it is internal that connecting rod (5) lower end is connected to the paddle buckle (11).
5. it is according to claim 4 can solid-liquid separation hydro-thermal reaction device, it is characterised in that the paddle (8) includes
At least two blades.
6. according to any one of claim 1-5 can solid-liquid separation hydro-thermal reaction device, it is characterised in that the resistance
Silk (4) outside is provided with heat-insulation layer (12), and heat-insulation layer (12) material is heat-preservation cotton.
7. it is according to claim 6 can solid-liquid separation hydro-thermal reaction device, it is characterised in that set on the shell (3)
Thermocouple (13) is equipped with, during the resistance wire (4) is connected to external control circuit with the thermocouple (13), feedback is collectively forming
Temperature control heating system.
8. according to any one of claim 1-5 can solid-liquid separation hydro-thermal reaction device, it is characterised in that the inner bag
Draw-in groove is provided with lid (2), inner bag (1) upper end is connected in inside the draw-in groove.
9. it is according to claim 8 can solid-liquid separation hydro-thermal reaction device, it is characterised in that on the inner bladder cover (2)
It is provided with sealing ring (14), the connecting rod (5) is through the sealing ring (14).
10. according to any one of claim 1-5 can solid-liquid separation hydro-thermal reaction device, it is characterised in that it is described from
The material of heart filter screen (6) is rustless steel.
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CN201621192018.7U CN206168388U (en) | 2016-10-27 | 2016-10-27 | But solid -liquid separation's hydrothermal reaction device |
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CN201621192018.7U CN206168388U (en) | 2016-10-27 | 2016-10-27 | But solid -liquid separation's hydrothermal reaction device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107983269A (en) * | 2016-10-27 | 2018-05-04 | 中国科学院过程工程研究所 | It is a kind of can separation of solid and liquid hydro-thermal reaction device |
CN108899603A (en) * | 2018-06-21 | 2018-11-27 | 南充中芯新能源科技有限公司 | A kind of processing method of waste lithium cell positive electrode and the recovery processing technique of waste lithium cell |
CN109939747A (en) * | 2019-04-24 | 2019-06-28 | 南京威安新材料科技有限公司 | A kind of preparation facilities and method of the support type perovskite catalyst for oxidative degradation organic-fuel |
CN111233011A (en) * | 2020-02-13 | 2020-06-05 | 雅化锂业(雅安)有限公司 | A purification system for lithium carbonate |
CN113143764A (en) * | 2021-04-29 | 2021-07-23 | 广州雾普康生物科技有限公司 | Herbal liquid extraction method capable of atomizing |
-
2016
- 2016-10-27 CN CN201621192018.7U patent/CN206168388U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107983269A (en) * | 2016-10-27 | 2018-05-04 | 中国科学院过程工程研究所 | It is a kind of can separation of solid and liquid hydro-thermal reaction device |
CN108899603A (en) * | 2018-06-21 | 2018-11-27 | 南充中芯新能源科技有限公司 | A kind of processing method of waste lithium cell positive electrode and the recovery processing technique of waste lithium cell |
CN109939747A (en) * | 2019-04-24 | 2019-06-28 | 南京威安新材料科技有限公司 | A kind of preparation facilities and method of the support type perovskite catalyst for oxidative degradation organic-fuel |
CN109939747B (en) * | 2019-04-24 | 2023-10-03 | 南京威安新材料科技有限公司 | Preparation device and method of supported perovskite catalyst for oxidative degradation of organic fuel |
CN111233011A (en) * | 2020-02-13 | 2020-06-05 | 雅化锂业(雅安)有限公司 | A purification system for lithium carbonate |
CN113143764A (en) * | 2021-04-29 | 2021-07-23 | 广州雾普康生物科技有限公司 | Herbal liquid extraction method capable of atomizing |
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