CN207012599U - Circulating crystallizer and circulating crystal system - Google Patents
Circulating crystallizer and circulating crystal system Download PDFInfo
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- CN207012599U CN207012599U CN201720869989.9U CN201720869989U CN207012599U CN 207012599 U CN207012599 U CN 207012599U CN 201720869989 U CN201720869989 U CN 201720869989U CN 207012599 U CN207012599 U CN 207012599U
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Abstract
The utility model discloses a kind of circulating crystallizer and circulating crystal system, belong to crystallization technique field, a kind of can control from crystallizer is provided and enters the circulating crystallizer of contained crystal grain situation and circulating crystal system in the circulation fluid of circulation line, the circulating crystallizer, including crystallizing tank body, there is the floating brilliant sedimentation demixing zone for the floating brilliant sedimentation being used to make in slurries in the crystallizing tank body, the outlet of at least two circulation fluids is offered on the crystallization tank body, and different settling height position correspondences of each circulation fluid outlet respectively from floating brilliant sedimentation demixing zone connect.The utility model can control the situation into crystal grain contained by the circulation fluid in circulation line as needed by carrying out taking liquid respectively on the different settling height positions of floating brilliant sedimentation demixing zone；Meanwhile the utility model finally realizes the control to the brilliant situation of length of crystal grain and final Cheng Jing size of microcrystal etc..
Description
Technical field
It the utility model is related to crystallization technique field, more particularly to a kind of circulating crystallizer and a kind of circulating knot
Crystallographic system is united.
Background technology
Crystallizer is a kind of equipment for product crystallization operation.In process of production, it generally can be divided into evaporative crystallization
With two kinds of crystallization modes of crystallisation by cooling.So-called circulating crystallization, refers to being provided with circulation line in crystal system, will knot
Slurries in brilliant equipment are extracted out, and returned to again in crystallizer after exchanging heat accordingly and (heating or cool down) and circulated
Crystallization.
In existing circulation crystallization system, the circulation line of setting is nearly all a certain certain bits only out of crystallizer
The slurries in place's extraction crystallizer are put as circulation fluid, returns in crystallizer and follows again after then being exchanged heat to circulation fluid
Ring crystallizes.However, in above-mentioned endless form, taken liquid level to put by it and limited, caused in the circulation fluid that is taken out out of crystallizer
The content of contained crystal grain and particle diameter etc. are uncontrollable, so it is uncontrollable eventually pass through heat exchange after drain back to again in crystallizer
Circulation fluid in contained crystal grain content and particle diameter, therefore be unfavorable for controlling the brilliant situation of length and the final Cheng Jing of control of crystal grain
Size of microcrystal.
Utility model content
The technical problem that the utility model solves is to provide a kind of can control from crystallizer and enters following for circulation line
The circulating crystallizer of contained crystal grain situation and circulating crystal system in ring liquid, can be achieved to the brilliant situation of length of crystal grain and
The control of final Cheng Jing size of microcrystal.
Technical scheme is used by the utility model solves its technical problem：Circulating crystallizer, including crystallizing tank
Body, there is the floating brilliant sedimentation demixing zone for the floating brilliant sedimentation being used to make in slurries in the crystallizing tank body, in the crystallization tank body
On offer the outlet of at least two circulation fluids, and each circulation fluid outlet different settling heights from floating brilliant sedimentation demixing zone respectively
Position correspondence connects.
It is further：The circulation fluid outlet is provided with three, and three circulation fluid outlets settle demixing zone along floating crystalline substance
Settling height range interval is distributed.
It is further：Each circulation fluid exit is provided with control valve.
It is further：The bottom of the crystallization tank body is provided with the first products export, on the top of the crystallization tank body
Portion is provided with the second products export.
In addition, the utility model also provides a kind of circulating crystal system, it uses above-mentioned described in the utility model follow
Ring type crystallizer, in addition to circulation line, the arrival end of circulation line are in parallel with each circulation fluid outlet on crystallization tank body even
Logical, the port of export of circulation line stretches to the inside of crystallization tank body；On the circulation line positioned at arrival end and the port of export it
Between be provided with circulation fluid driving equipment and heat transmission equipment.
It is further：It is arranged at heat exchange along the arrival end of circulation line to the port of export, the circulation fluid driving equipment and sets
Standby upstream.
It is further：Upstream positioned at circulation fluid driving equipment on circulation line is provided with stoste supply mouth.
It is further：The bottom that the port of export of circulation line is stretched in crystallizing tank body, is located on circulation line
The termination at mouth end is provided with shrouding and blocked, and multiple cut is provided with the circumferential tube wall at the port of export on circulation line
To outlet, and the circulation fluid discharged by multiple described tangential outlets can produce eddy flow in crystallizing tank body.
It is further：The circumference of periphery tube wall of multiple described tangential outlets along circulation line at the port of export
It is uniformly distributed.
It is further：The circulation fluid driving equipment is circulating pump；The heat transmission equipment is pipe heat exchanger.
The beneficial effects of the utility model are：The utility model is gone out by opening up at least two circulation fluids on crystallization tank body
Mouthful, and then the slurry being located at respectively in crystallizing tank body in the floating brilliant sedimentation demixing zone of different height position can be exported from each circulation fluid
Liquid is extracted out using as circulation fluid, and due to contained crystalline substance in the slurries on the different settling height positions in floating brilliant sedimentation demixing zone
Grain content and particle diameter etc. is different, and be theoretically be located floating brilliant sedimentation demixing zone bottom crystal grain content is more and grain
Footpath is generally bigger, therefore by carrying out taking liquid respectively on the different settling height positions of floating brilliant sedimentation demixing zone, can be achieved will
Slurries containing different crystal grain amounts and different size of microcrystal are used as circulation fluid after extracting and mixing, thus can control as needed into
Enter the situation of crystal grain contained by the circulation fluid in circulation line.Therefore, the utility model can be realized to being extracted out of crystallizer
The content of contained crystal grain and particle diameter etc. controllable and realizing sets to draining back to crystallization again after cycle heat exchange in circulation fluid
The content of contained crystal grain and particle diameter is controllable in standby interior circulation fluid, and finally realizes to the brilliant situation of length of crystal grain and final
The control of Cheng Jing size of microcrystal etc..
Brief description of the drawings
Fig. 1 is the connection relationship diagram of circulating crystal system described in the utility model；
Fig. 2 is the enlarged diagram of regional area A in Fig. 1；
Fig. 3 is the sectional view of section B-B in Fig. 2；
Fig. 4 is the schematic diagram that tank interior slurries situation is crystallized when carrying out cooled crystallization；
Fig. 5 is to be evaporated the schematic diagram that tank interior slurries situation is crystallized during formula crystallization.
In figure mark for：Crystallization tank body 1, floating brilliant sedimentation demixing zone 2, circulation fluid outlet 3, control valve 4, the first product go out
The 5, second products export 6 of mouth, circulation line 7, the port of export 8 of circulation line, circulation fluid driving equipment 9, heat transmission equipment 10, stoste
Supply mouth 11, tangentially shrouding 12, outlet 13, heat transferring medium entrance 14, heat transferring medium outlet 15, vapor chamber 16.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.Circulation described in the utility model
Formula crystallizer, it is a portion equipment in circulating crystal system.And so-called circulating crystal system, it is to pass through
Corresponding circulation line is set to realize the system that slurries are carried out with circulation crystallization.
1 to shown in accompanying drawing 5 referring to the drawings, circulating crystallizer described in the utility model, including crystallization tank body 1,
There is the floating brilliant sedimentation demixing zone 2 for the floating brilliant sedimentation being used to make in slurries in the crystallization tank body 1, in the crystallization tank body 1
On offer at least two circulation fluids outlet 3, and each circulation fluid outlet 3 settles from floating brilliant the different of sedimentation demixing zone 2 respectively
Height and position is corresponding to be connected.
In addition, the first products export 5 can be also provided with the bottom of crystallization tank body 1 under normal circumstances, in crystallization tank body 1
Top is provided with the second products export 6.Wherein, the first products export 5 is for the crystallization deposition for crystallizing the inner bottom part of tank body 1 to be arranged
Go out；Second products export 6 is then by discharges such as the clear liquid at the top of crystallization tank body 1 or steam.Specifically it can refer to shown in accompanying drawing.
Signified floating brilliant sedimentation demixing zone 2 in above-mentioned the utility model, it is to be used to contain slurries in crystallization tank body 1
Region, acted on using free settling of the crystal grain in floating brilliant sedimentation demixing zone 2, realize the purpose that crystal grain deposits downwards.No
Generality is lost, shown in 4 and accompanying drawing 5, according to using evaporation and crystallization mode or crystallisation by cooling side in the utility model
The difference of formula, there is corresponding difference to shared region of the floating brilliant sedimentation demixing zone 2 in crystallization tank body 1；Referring for example in accompanying drawing 4
It is shown, when for cooled crystallization mode when, its whole cavity in crystallization tank body 1 can be it is floating brilliant settle demixing zone 2, now
The second products export 6 finally from the top of crystallization tank body 1 is discharged and can be collected by the clear liquid after crystal granula sedimentation, and is crystallized and sunk
The first products export 5 from crystallization tank body 1 bottom is discharged and can be collected by crystal grain product of the product in crystallization tank body 1 bottom；And
Referring to the drawings shown in 5, when for vaporation-type crystallization mode when, its lower part cavity in crystallization tank body 1 can be floating brilliant settles
Demixing zone 2, and certain space will be left as vapor chamber 16 in the top of floating brilliant sedimentation demixing zone 2, to realize the steaming of slurries
The second products export 6 finally from the top of crystallization tank body 1 is discharged and can be collected by hair, the steam now evaporated, corresponding knot
The first products export 5 from crystallization tank body 1 bottom is discharged and can received by the crystal grain product that crystalline substance is deposited on crystallization tank body 1 bottom
Collection.
In addition, without loss of generality, the crystallization tank body 1 in the utility model only can be made up of a tank body, also can be by two
Individual or multiple tank bodies, which are connected, to be formed；When for two or more tank bodies when, floating brilliant sedimentation can be determined according to the effect of each tank body
The corresponding scope of demixing zone 2, and floating brilliant sedimentation demixing zone 2 now can be simultaneously in different tank bodies.
The circulation fluid outlet 3 set in the utility model, its set location must sink with the difference of floating brilliant sedimentation demixing zone 2
Drop that height and position is corresponding to be connected, with realize the content of contained crystal grain in the circulation fluids discharged by different circulation fluid outlets 3 with
And particle diameter etc. is variant, and then by controlling each circulation fluid outlet 3 that the circulation fluid institute that control enters in circulation line 7 can be achieved
Situations such as content and particle diameter containing crystal grain.
More specifically, in order to realize above-mentioned control purpose, necessarily require to set on crystallization tank body 1 in the utility model to
Few two circulation fluids outlet 3.Certainly, without loss of generality, it is not tight for the particular number of circulation fluid outlet 3 in the utility model
Lattice limit；Referring for example to the concrete condition shown in accompanying drawing, circulation fluid outlet 3 is arranged to three, and three circulation fluids go out
Mouth 3 is distributed along the floating brilliant settling height range intervals for settling demixing zone 2.
In addition, when setting circulation fluid to export 3, it is preferably set to settle the middle and upper part of demixing zone 2, and position in floating crystalline substance
3 are exported in a circulation fluid of bottom, it should be arranged in floating brilliant sedimentation demixing zone 2 positioned at crystallization deposition in bottom as far as possible
Crystal grain above position, with avoid the crystal grain of crystallization deposition cause to circulation fluid outlet 3 blocking.In addition, follow-up described
When the port of export 8 of circulation line 7 is deeply extremely crystallized near the bottom in tank body 1, it will can go out positioned at bottom circulation fluid
Mouth 3 is preferably provided at positioned at the position of the port of export more than 8.
In addition, the flow of each circulation fluid outlet 3 is controlled in order to realize, further can be in each circulation in the utility model
Control valve 4 is provided with liquid outlet 3, as shown in the drawing.So, by corresponding control valve 4 each circulation fluid can be controlled to go out
The aperture regulation of mouth 3, and then the circulating fluid flow rate of each circulation fluid outlet 3 is controlled, therefore final can control enters circulation line 7
The flow-rate ratio of interior each circulation fluid outlet 3.As for control valve 4, it can use the valves such as common butterfly valve, ball valve, can also adopt
With autocontrol valves such as magnetic valves., can be by extra supporting corresponding control system with reality when using autocontrol valve
Now valve is automatically controlled.In addition, control valve 4 may also be arranged in addition to it can be set directly at circulation fluid outlet 3 and sentence
On the bye-pass that 3 corresponding connections are exported with each circulation fluid, the flow of each circulation fluid outlet 3 is controlled as long as it can be realized.
In addition, the utility model also provides a kind of circulating crystal system, using above-mentioned circulation described in the utility model
Formula crystallizer, while also include circulation line 7, the arrival end of circulation line 7 and each circulation fluid outlet 3 on crystallization tank body 1
Parallel communication, the port of export 8 of circulation line 7 stretch to the inside of crystallization tank body 1；It is located at arrival end on the circulation line 7
Circulation fluid driving equipment 9 and heat transmission equipment 10 are provided between the port of export 8.Certainly, circulating knot described in the utility model
Brilliant equipment can individually produce, sell and also form a complete production network, sell with circulating crystal system described in the utility model.
Wherein, the effect of circulation line 7 is that the slurries in crystallization tank body 1 are circulated for realizing, and passes through setting
Corresponding heat transmission equipment 10 is realized to exchange heat to the circulation fluid in circulation line 7；And circulation fluid driving equipment 9 is then used to
The equipment that circulation fluid provides driving force.For circulation fluid driving equipment 9, the conventional pump of generally use.In the utility model
According to the difference using evaporation and crystallization mode or crystallisation by cooling mode, heat transmission equipment 10 can be heated type heat transmission equipment or be cold
But formula heat transmission equipment.When heat transmission equipment 10 is heated type heat transmission equipment, it is corresponding by being additionally passed through into heat transmission equipment 10
Thermal medium, realize to by heat transmission equipment 10 circulation fluid heating；And when heat transmission equipment 10 is cooled heat transmission equipment,
It realizes the cooling to the circulation fluid by heat transmission equipment 10 by being additionally passed through corresponding cold medium into heat transmission equipment 10.
More specifically, the not strict limitation of specific constructive form in the utility model for heat transmission equipment 10, usual heat transmission equipment
10 can be adopted as pipe heat exchanger, and corresponding heat exchange is may be provided with heat transmission equipment 10 shown in 1 referring to the drawings
Medium inlet 14 and heat transferring medium export the interface that 15 grades are used for heat transferring medium disengaging.In addition, without loss of generality, heat transmission equipment 10
It can also use corresponding equipment or refrigeration plant etc. of directly heating to replace, that is, realize directly to flowing through following in heat transmission equipment 10
Ring liquid is heated or freezed.
It is furthermore preferred that in the utility model on the arrival end along circulation line 7 to the direction of the port of export 8, by circulation fluid
Driving equipment 9 is arranged at the upstream of heat transmission equipment 10；That is circulation fluid first passes through circulation fluid driving when being flowed along circulation line 7
Equipment 9, then pass through heat transmission equipment 10 again.The benefit so set is：When circulation fluid is after heat transmission equipment is exchanged heat, follow
The crystal grain contained in ring liquid may further grow brilliant increase, therefore can reduce obstruction when crystal grain passes through circulation fluid driving equipment 9,
Situation about being blocked in circulation fluid driving equipment 9 can be also avoided simultaneously；The situation for the crystallisation by cooling mode that is particularly suitable for use in.
More specifically, in the situation for the upstream that circulation fluid driving equipment 9 is arranged to heat transmission equipment 10 in the utility model
Under, upstream that can also be further positioned at circulation fluid driving equipment 9 on circulation line 7 is provided with stoste supply mouth 11.Wherein institute
The stoste supply mouth 11 of finger, it is the port that initial stoste is fed into whole circulating crystal system, passes through stoste supply mouth
11 constantly feed stoste into whole circulating crystal system, it can be ensured that continuous, the even running of system.In the utility model
Stoste supply mouth 11 is arranged at the upstream of circulation fluid driving equipment 9, so can be by controlling the liquid supplied from stoste supply mouth 11
The proportionate relationship of the scale of construction and the amount of liquid discharged from crystallization tank body 1 to circulation fluid outlet 3.Certainly, without loss of generality, for
The amount of liquid that circulation fluid outlet 3 is discharged can export the control valve 4 being correspondingly arranged on 3 by each circulation fluid and be controlled, and
The amount of liquid supplied for stoste supply mouth 11, then can be by further setting corresponding control valve in stoste supply mouth 11
Carry out flow control.In addition, the utility model is also had the following advantages that by above-mentioned setting：Supplied by stoste supply mouth 11
Liquid and the liquid discharged from circulation fluid outlet 3 can be so available to follow after preliminary mixing again by circulation fluid driving equipment 9
The agitaion of ring liquid driving equipment 9 improves the mixed effect of two strands of liquid.
In addition, referring to the drawings shown in 2 and accompanying drawing 3, the port of export 8 of circulation line 7 is stretched into knot in the utility model
Position in brilliant tank body 1 and near its bottom, as shown in the drawing；And further it is located on circulation line 7
The termination at mouth end 8 is provided with shrouding 12 and blocked, and is provided with circulation line 7 on the circumferential tube wall at the port of export 8
Multiple tangential outlets 13, and the circulation fluid discharged by multiple described tangential outlets 13 can produce eddy flow in crystallization tank body 1.
The benefit so set is：On the one hand by setting the structure of shrouding 12, can avoid directly impacting knot from the liquid that the port of export 8 is discharged
The bottom of brilliant tank body 1；On the other hand, by cyclonic action caused by the circulation fluids from the tangential discharge of outlet 13, can play pair
The agitaion of the liquid in tank body 1 is crystallized, and then can promote to grow brilliant effect and the uniformity of crystal grain.The utility model tangentially goes out
Mouth 13 should be arranged to the tangential direction of the circumferential tube wall approximately along the port of export 8, so that the liquid energy from the tangential discharge of outlet 13
Effectively cyclonic action is produced in crystallization tank body 1.In addition, the position stretched to for circulation line 7 in crystallization tank body 1, can
Referring to the drawings shown in 1, stretched to straight down inside crystallization tank body 1 from the top center position of crystallization tank body 1, and can make
The axis of part pipeline inside crystallization tank body 1 is conllinear with the axis for crystallizing tank body 1.
Certainly, without loss of generality, the above-mentioned eddy flow as caused by tangentially exporting 13 is preferably total to crystallizing the axis of tank body 1
Line, i.e., now each tangential outlet 13 should be total to along the axis of tube wall circumferentially with crystallizing the axis of tank body 1 at the port of export 8
Line, as shown in Figure 3.Also, in theory may be used in the utility model for the not strict limitation of quantity of tangential outlet 3
At least provided with one, the situation no less than two is preferably arranged to certainly；And should be ensured that each tangential outlet 3 goes out stream
Direction is consistent, to ensure to produce cyclonic action effectively, stable in crystallization tank body 1.Such as the concrete structure shown in accompanying drawing 3
In be provided with five tangential outlets 3；And circumferentially the circumferential of tube wall is uniformly divided it is furthermore preferred that five tangential outlets 3 can be set
Cloth.
In addition, without loss of generality, above-mentioned tangential outlet 13 can be to be set directly at circulation line 7 to be located at the port of export 8
Specially can on one section of pipeline or also be set at the port of export 8 of circulation line 7 a corresponding extra pipe structure for
Each tangential outlet 3 is set.
Claims (10)
1. circulating crystallizer, including crystallization tank body (1), have in the crystallization tank body (1) floating in slurries for making
Floating brilliant sedimentation demixing zone (2) of crystalline substance sedimentation, it is characterised in that：At least two circulation fluids are offered on the crystallization tank body (1)
Export (3), and different settling height position correspondences of each circulation fluid outlet (3) respectively from floating brilliant sedimentation demixing zone (2) connect.
2. circulating crystallizer as claimed in claim 1 is characterized in that：The circulation fluid outlet (3) is provided with three,
Three circulation fluid outlets (3) are distributed along the floating brilliant settling height range interval for settling demixing zone (2).
3. circulating crystallizer as claimed in claim 1, it is characterised in that：It is provided with each circulation fluid outlet (3) place
Control valve (4).
4. the circulating crystallizer as described in any one in claims 1 to 3, it is characterised in that：In the crystallization tank body
(1) bottom is provided with the first products export (5), and the second products export (6) is provided with the top of the crystallization tank body (1).
5. circulating crystal system, it is characterised in that：Including the circulating knot described in any one in the claims 1 to 4
Brilliant equipment, in addition to circulation line (7), the arrival end of circulation line (7) and each circulation fluid outlet (3) on crystallization tank body (1)
Parallel communication, the port of export (8) of circulation line (7) stretch to the inside of crystallization tank body (1)；It is upper in the circulation line (7)
Circulation fluid driving equipment (9) and heat transmission equipment (10) are provided between arrival end and the port of export (8).
6. circulating crystal system as claimed in claim 5, it is characterised in that：Extremely exported along the arrival end of circulation line (7)
Hold (8), the circulation fluid driving equipment (9) is arranged at the upstream of heat transmission equipment (10).
7. circulating crystal system as claimed in claim 6, it is characterised in that：Driven on circulation line (7) positioned at circulation fluid
The upstream of dynamic equipment (9) is provided with stoste supply mouth (11).
8. circulating crystal system as claimed in claim 5, it is characterised in that：The port of export (8) of circulation line (7) stretches to
The bottom in tank body (1) is crystallized, the termination of the port of export (8), which is provided with shrouding (12), on circulation line (7) is blocked,
Multiple tangential outlets (13) are provided with the circumferential tube wall at the port of export (8) place on circulation line (7), and by multiple institutes
The circulation fluid for tangential outlet (13) discharge stated can produce eddy flow in crystallization tank body (1).
9. circulating crystal system as claimed in claim 8, it is characterised in that：Multiple described tangential outlets (13) edge circulations
The circumference of periphery tube wall on pipeline (7) positioned at the port of export (8) place is uniformly distributed.
10. the circulating crystal system as described in any one in claim 5 to 9, it is characterised in that：The circulation fluid driving
Equipment (9) is circulating pump；The heat transmission equipment (10) is pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869989.9U CN207012599U (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869989.9U CN207012599U (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
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| Publication Number | Publication Date |
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| CN207012599U true CN207012599U (en) | 2018-02-16 |
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ID=61480645
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720869989.9U Active CN207012599U (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
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| Country | Link |
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| CN (1) | CN207012599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233745A (en) * | 2017-07-18 | 2017-10-10 | 四川思特瑞科技有限公司 | Circulating crystallizer and circulating crystal system |
-
2017
- 2017-07-18 CN CN201720869989.9U patent/CN207012599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233745A (en) * | 2017-07-18 | 2017-10-10 | 四川思特瑞科技有限公司 | Circulating crystallizer and circulating crystal system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210225 Address after: 618201 Sichuan Siteri lithium Co., Ltd., southwest of Industrial Avenue, de'a Industrial Park, Hanwang Town, Mianzhu City, Deyang City, Sichuan Province Patentee after: Sichuan Siteri Lithium Industry Co.,Ltd. Address before: No. 507, 5th floor, No. 18, Yangguang street, high tech Zone (West District), Chengdu, Sichuan 610000 Patentee before: SICHUAN SITERUI TECHNOLOGY Co.,Ltd. |