CN107233745A - Circulating crystallizer and circulating crystal system - Google Patents
Circulating crystallizer and circulating crystal system Download PDFInfo
- Publication number
- CN107233745A CN107233745A CN201710585220.9A CN201710585220A CN107233745A CN 107233745 A CN107233745 A CN 107233745A CN 201710585220 A CN201710585220 A CN 201710585220A CN 107233745 A CN107233745 A CN 107233745A
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- 239000013078 crystal Substances 0.000 title claims abstract description 46
- 230000004087 circulation Effects 0.000 claims abstract description 137
- 239000012530 fluid Substances 0.000 claims abstract description 88
- 238000002425 crystallisation Methods 0.000 claims abstract description 71
- 230000008025 crystallization Effects 0.000 claims abstract description 67
- 238000007667 floating Methods 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 19
- 239000013081 microcrystal Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000011868 grain product Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Peptides Or Proteins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of circulating crystallizer and circulating crystal system, belong to crystallization technique field, a kind of controllable circulating crystallizer and circulating crystal system that contained crystal grain situation in the circulation fluid of circulation line is entered from crystallizer is provided, the circulating crystallizer, including crystallization 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 the corresponding connection in different settling height positions of each circulation fluid outlet respectively from floating brilliant sedimentation demixing zone.It is of the invention to carry out taking liquid respectively on the different settling height positions of demixing zone by settling in floating crystalline substance, the situation of crystal grain contained by the circulation fluid into circulation line can be controlled as needed；Meanwhile, the present invention is final to realize the control to the long brilliant situation of crystal grain and final Cheng Jing size of microcrystal etc..
Description
Technical field
The present invention relates to crystallization technique field, more particularly to a kind of circulating crystallizer and a kind of circulating system of crystallization
System.
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 after heat exchange accordingly (heating is cooled down) and circulated in crystallizer
Crystallization.
In existing circulation crystallization system, the circulation line of setting is nearly all a certain certain bits only out of crystallizer
The slurries extracted in crystallizer at place are put to return in crystallizer and follow again as circulation fluid, after then exchanging heat to circulation fluid
Ring is crystallized.However, in above-mentioned endless form, being taken liquid level to put by it and being limited, caused from the circulation fluid taken out in crystallizer
The content and particle diameter of contained crystal grain 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 long brilliant situation of crystal grain and control final Cheng Jing
Size of microcrystal.
The content of the invention
Present invention solves the technical problem that being to provide a kind of controllable circulation fluid that circulation line is entered from crystallizer
The circulating crystallizer and circulating crystal system of interior contained crystal grain situation, can be achieved to the long brilliant situation of crystal grain and final
The control of Cheng Jing size of microcrystal.
The technical solution adopted for the present invention to solve the technical problems is：Circulating crystallizer, including crystallization 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, opened up on the crystallization tank body
There are the outlet of at least two circulation fluids, and the different settling height positions pair of each circulation fluid outlet respectively from floating brilliant sedimentation demixing zone
It should connect.
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 present invention also provides a kind of circulating crystal system, it uses the circulating crystallization described in the invention described above
Equipment, in addition to circulation line, the arrival end of circulation line and each circulation fluid outlet parallel communication on crystallization tank body, circulation pipe
The port of export on road stretches to the inside of crystallization tank body；It is located to be provided between arrival end and the port of export on the circulation line and follows
Ring liquid driving equipment and heat transmission equipment.
It is further：Along the arrival end of circulation line to the port of export, the circulation fluid driving equipment is arranged at heat exchange and set
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 is located on circulation line on the circumferential tube wall at the port of export and is provided with multiple cut
Eddy flow can be produced to outlet, and by the circulation fluid of multiple described tangential outlet discharges in crystallizing tank body.
It is further：Multiple described tangential outlets are located at the circumference of the periphery tube wall at the port of export along along circulation line
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 invention are as follows：The present invention is exported by opening up at least two circulation fluids on crystallization tank body, and then
It can export and respectively extract the slurries in crystallizing tank body in the floating brilliant sedimentation demixing zone of different height position out from each circulation fluid
Using as circulation fluid, and due to contained crystal grain content in the slurries on the different settling height positions in floating brilliant sedimentation demixing zone
It is different with particle diameter etc., and be theoretically be located floating brilliant sedimentation demixing zone bottom crystal grain content it is more and particle diameter is usual
It is bigger, therefore by carrying out taking liquid respectively on the different settling height positions of floating brilliant sedimentation demixing zone, can be achieved will be containing not
Slurries with crystal grain amount and different size of microcrystal extract and mix after as circulation fluid, therefore can control as needed enter circulation
The situation of crystal grain contained by circulation fluid in pipeline.Therefore, the present invention can be achieved to the institute from the circulation fluid extracted in crystallizer
Content and particle diameter containing crystal grain etc. controllable and realize circulation to being drained back to again in crystallizer after cycle heat exchange
The content of contained crystal grain and particle diameter is controllable in liquid, and finally realizes the long brilliant situation and final Cheng Jing crystal grain to crystal grain
The control of particle diameter etc..
Brief description of the drawings
Fig. 1 is the annexation schematic diagram of circulating crystal system of the present invention；
The enlarged diagram that Fig. 2 is regional area A in Fig. 1；
Fig. 3 is the sectional view of section B-B in Fig. 2；
The schematic diagram of tank interior slurries situation is crystallized when Fig. 4 is progress cooled crystallization；
Fig. 5 crystallizes the schematic diagram of tank interior slurries situation when being and being evaporated formula crystallization
Marked in figure：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 present invention is further described with reference to the accompanying drawings and detailed description.Circulating crystallization of the present invention is set
Standby, it is a portion equipment in circulating crystal system.And so-called circulating crystal system, it is corresponding by setting
Circulation line realize to slurries carry out circulation crystallization system.
1 to shown in accompanying drawing 5 referring to the drawings, circulating crystallizer of the present invention, including crystallization tank body 1, in institute
The floating brilliant sedimentation demixing zone 2 in crystallization tank body 1 with the floating brilliant sedimentation being used to make in slurries is stated, is opened on the crystallization tank body 1
Provided with least two circulation fluids outlet 3, and each circulation fluid outlet 3 settles the different settling heights of demixing zone 2 from floating crystalline substance respectively
Position correspondence is 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 liquids or steam at the top of crystallization tank body 1.Specifically it can refer to shown in accompanying drawing.
Signified floating brilliant sedimentation demixing zone 2 in the invention described above, it is the area for being used to contain slurries in crystallization tank body 1
Domain, is acted on using free settling of the crystal grain in floating brilliant sedimentation demixing zone 2, realizes the purpose that crystal grain is deposited downwards.Do not lose
Generality, shown in 4 and accompanying drawing 5, in the present invention according to use evaporation and crystallization mode or crystallisation by cooling mode not
Together, there is corresponding difference to shared region of the floating brilliant sedimentation demixing zone 2 in crystallization tank body 1；Shown in accompanying drawing 4,
When for cooled crystallization mode, it can be floating brilliant sedimentation demixing zone 2 crystallizing the whole cavity in tank body 1, now through crystalline substance
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 grain sedimentation, and crystallization deposition exists
The first products export 5 from crystallization tank body 1 bottom is discharged and can be collected by the crystal grain product of crystallization tank body 1 bottom；And reference
Shown in accompanying drawing 5, when for vaporation-type crystallization mode, it can be that floating brilliant sedimentation is layered crystallizing the lower part cavity in tank body 1
Area 2, and certain space will be left as vapor chamber 16 in the top of floating brilliant sedimentation demixing zone 2, to realize the evaporation of slurries, this
When the steam that evaporates the second products export 6 finally from the top of crystallization tank body 1 be discharged and can be collected, corresponding crystallization deposition
The first products export 5 from crystallization tank body 1 bottom is discharged and can be collected by the crystal grain product in crystallization tank body 1 bottom.
In addition, without loss of generality, the crystallization tank body 1 in the present invention only can be made up of a tank body, also can by two or
The multiple tank bodies of person, which are connected, to be formed；When for two or more tank bodies, it can determine that floating brilliant sedimentation is layered according to the effect of each tank body
The corresponding scope in area 2, and floating brilliant sedimentation demixing zone 2 now can be located in different tank bodies simultaneously.
The circulation fluid outlet 3 set in the present invention, its set location must be high from the different sedimentations of floating brilliant sedimentation demixing zone 2
Spend position correspondence to connect, to realize the content and grain of contained crystal grain in the circulation fluid by the different discharges of circulation fluid outlet 3
Footpath etc. is variant, and then brilliant contained by the circulation fluid that control enters in circulation line 7 by controlling each circulation fluid outlet 3 to can be achieved
Situations such as content and particle diameter of grain.
More specifically, necessarily require to set at least two on crystallization tank body 1 in above-mentioned control purpose, the present invention to realize
Individual circulation fluid outlet 3.Certainly, without loss of generality, do not limited strictly for the particular number that circulation fluid exports 3 in the present invention；
Referring for example to the concrete condition shown in accompanying drawing, circulation fluid outlet 3 is set to three, and three circulation fluids outlets 3 are along floating
The settling height range interval distribution of crystalline substance sedimentation demixing zone 2.
In addition, when setting circulation fluid to export 3, the middle and upper part for preferably setting it to settle demixing zone 2 in floating crystalline substance, and position
3 are exported in a circulation fluid of bottom, it should be arranged in floating brilliant sedimentation demixing zone 2 as far as possible is located at crystallization deposition in bottom
Crystal grain above position, with the crystal grain for avoiding crystallization deposition cause to circulation fluid export 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, in order to realize that the flow that 3 are exported to each circulation fluid is controlled, can further go out in the present invention in each circulation fluid
Control valve 4 is provided with mouth 3, as shown in the drawing.So, each circulation fluid outlet 3 can be controlled by corresponding control valve 4
Aperture regulation, and then the circulating fluid flow rate of each circulation fluid outlet 3 is controlled, therefore it is final controllable into each in circulation line 7
The flow-rate ratio of circulation fluid outlet 3.As for control valve 4, it can also use electromagnetism using valves such as common butterfly valve, ball valves
The autocontrol valves such as valve.When using autocontrol valve, it can be realized by extra supporting corresponding control system to valve
Door automatically control.In addition, control valve 4 may also be arranged on respectively following in addition to it can be set directly at circulation fluid outlet 3 and sentence
On the bye-pass of the correspondence connection of ring liquid outlet 3, as long as it can realize that the flow that 3 are exported to each circulation fluid is controlled.
In addition, the present invention also provides a kind of circulating crystal system, set using the circulating crystallization described in the invention described above
Standby, while also including circulation line 7, arrival end and each circulation fluid on crystallization tank body 1 of circulation line 7 export 3 parallel communications,
The port of export 8 of circulation line 7 stretches to the inside of crystallization tank body 1；It is located at arrival end and the port of export 8 on the circulation line 7
Between be provided with circulation fluid driving equipment 9 and heat transmission equipment 10.Certainly, circulating crystallizer of the present invention can individually give birth to
Production, sale can also form a complete production network with circulating crystal system of the present invention, sell.
Wherein, the effect of circulation line 7 is that the slurries in crystallization tank body 1 are circulated for realizing, and by 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, generally using conventional pump.Basis in the present invention
Using evaporation and crystallization mode or the difference of crystallisation by cooling mode, heat transmission equipment 10 can be heated type heat transmission equipment or be cooled
Heat transmission equipment.When heat transmission equipment 10 is heated type heat transmission equipment, it is by being additionally passed through corresponding heat into heat transmission equipment 10
Medium, realizes the heating to the circulation fluid by heat transmission equipment 10；And when heat transmission equipment 10 is cooled heat transmission equipment, it leads to
Cross and corresponding cold medium is additionally passed through into heat transmission equipment 10, realize the cooling to the circulation fluid by heat transmission equipment 10.More
Body, the specific constructive form in the present invention for heat transmission equipment 10 does not have strict limitation, and usual heat transmission equipment 10 can be used
For pipe heat exchanger, and referring to the drawings shown in 1, can be set on heat transmission equipment 10 has corresponding heat transferring medium entrance
14 and heat transferring medium export 15 grades be used for heat transferring medium pass in and out interface.In addition, without loss of generality, heat transmission equipment 10 can also be used
It is corresponding to directly heat the replacement such as equipment or refrigeration plant, that is, realize and directly carried out to flowing through the circulation fluid in heat transmission equipment 10
Heating is freezed.
It is furthermore preferred that circulation fluid is driven on the arrival end along circulation line 7 to the direction of the port of export 8 in the present invention
Equipment 9 is arranged at the upstream of heat transmission equipment 10；I.e. circulation fluid first passes through circulation fluid driving equipment when being flowed along circulation line 7
9, heat transmission equipment 10 is then passed through again.The benefit so set is：When circulation fluid is after heat transmission equipment is exchanged heat, in circulation fluid
The crystal grain contained may further grow brilliant increase, therefore can reduce crystal grain by obstruction during circulation fluid driving equipment 9, while
Situation about being blocked in circulation fluid driving equipment 9 can be avoided；The situation for the crystallisation by cooling mode that is particularly suitable for use in.
More specifically, in the present invention in the case where circulation fluid driving equipment 9 is arranged at into the upstream of heat transmission equipment 10, also
Upstream that can be further positioned at circulation fluid driving equipment 9 on circulation line 7 is provided with stoste supply mouth 11.Wherein signified original
Liquid supply mouth 11, it is the port that initial stoste is fed into whole circulating crystal system, continuous by stoste supply mouth 11
Ground feeds stoste into whole circulating crystal system, it can be ensured that continuous, the even running of system.Stoste supply mouth in the present invention
11 are arranged at the upstream of circulation fluid driving equipment 9, so can be by the amount of liquid that controls to supply from stoste supply mouth 11 and from knot
The proportionate relationship of 3 amount of liquid discharged is exported on brilliant tank body 1 to circulation fluid.Certainly, without loss of generality, exported for circulation fluid
3 amount of liquid discharged can export the control valve 4 being correspondingly arranged on 3 by each circulation fluid and be controlled, and be supplied for stoste
The amount of liquid supplied to mouth 11, then can be by further setting corresponding control valve to carry out flow control in stoste supply mouth 11
System.In addition, the present invention is also had the following advantages that by above-mentioned setting：The liquid that is supplied by stoste supply mouth 11 and from circulation fluid
The liquid of the discharge of outlet 3 can be after preliminary mixing again by circulation fluid driving equipment 9, so using circulation fluid driving equipment 9
Agitaion improve two strands of liquid mixed effect.
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 crystallizing tank in the present invention
Position in body 1 and near its bottom, as shown in the drawing；And further it is located at the port of export 8 on circulation line 7
Termination be provided with shrouding 12 and blocked, be located on circulation line 7 on the circumferential tube wall at the port of export 8 and be provided with multiple cut
To outlet 13, and the circulation fluid discharged by multiple described tangential outlets 13 can produce eddy flow in crystallization tank body 1.So set
The benefit put is：On the one hand by setting the structure of shrouding 12, it can avoid directly impacting crystallization tank body from the liquid that the port of export 8 is discharged
1 bottom；On the other hand, by that from the cyclonic action produced by the circulation fluid of the tangential discharge of outlet 13, can play to crystallizing tank
The agitaion of liquid in body 1, and then long brilliant effect and the uniformity of crystal grain can be promoted.Tangential outlet 13 of the invention should be set
The tangential direction of the circumferential tube wall approximately along the port of export 8 is set to, so that can be effectively in knot from the liquid of the tangential discharge of outlet 13
Cyclonic action is produced in brilliant tank body 1.In addition, the position stretched to for circulation line 7 in crystallization tank body 1, can refer in accompanying drawing 1
It is shown, stretched to straight down inside crystallization tank body 1 from the top center position of crystallization tank body 1, and can make to be located at crystallizing tank
The axis of part pipeline inside body 1 is conllinear with the axis for crystallizing tank body 1.
Certainly, without loss of generality, the above-mentioned eddy flow as produced 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, the quantity in the present invention for tangential outlet 3 does not have strict limitation, in theory can be at least
One is set, the situation no less than two is preferably arranged to certainly；And it should be ensured that each tangential outlet 3 goes out to flow direction
Unanimously, to ensure to produce cyclonic action effectively, stable in crystallization tank body 1.Set in concrete structure for example shown in accompanying drawing 3
It is equipped with five tangential outlets 3；And it is furthermore preferred that the circumference of settable five tangential outlets 3 circumferentially tube wall is uniformly distributed.
In addition, without loss of generality, above-mentioned tangential outlet 13 can be to be set directly at circulation line 7 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 floating in slurries for making in the crystallization tank body (1)
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 the corresponding connection in different settling height positions of each circulation fluid outlet (3) respectively from floating brilliant sedimentation demixing zone (2).
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) stretches 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：It is located at circulation fluid on circulation line (7) to drive
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) is stretched 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 |
|---|---|---|---|
| CN201710585220.9A CN107233745A (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
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| CN201710585220.9A CN107233745A (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
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| CN107233745A true CN107233745A (en) | 2017-10-10 |
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| CN201710585220.9A Pending CN107233745A (en) | 2017-07-18 | 2017-07-18 | Circulating crystallizer and circulating crystal system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109173329A (en) * | 2018-10-31 | 2019-01-11 | 浙江新和成股份有限公司 | Device for evaporative crystallization |
| CN112266062A (en) * | 2020-10-23 | 2021-01-26 | 中国科学院城市环境研究所 | Sewage treatment device and sewage treatment method capable of controlling product crystal size |
| CN113181679A (en) * | 2021-04-20 | 2021-07-30 | 金溪华香香料有限公司 | Recrystallization purification device of linalyl acetate |
| WO2021248775A1 (en) * | 2020-06-12 | 2021-12-16 | 金钾科技有限公司 | Potassium nitrate crystallizer internally provided with accelerating tubes |
| CN113926217A (en) * | 2021-11-25 | 2022-01-14 | 西安西热水务环保有限公司 | High-efficient regeneration system of calcium-removing fluidized bed crystal seed |
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| CN109173329A (en) * | 2018-10-31 | 2019-01-11 | 浙江新和成股份有限公司 | Device for evaporative crystallization |
| CN109173329B (en) * | 2018-10-31 | 2023-08-29 | 浙江新和成股份有限公司 | Device for evaporative crystallization |
| WO2021248775A1 (en) * | 2020-06-12 | 2021-12-16 | 金钾科技有限公司 | Potassium nitrate crystallizer internally provided with accelerating tubes |
| CN112266062A (en) * | 2020-10-23 | 2021-01-26 | 中国科学院城市环境研究所 | Sewage treatment device and sewage treatment method capable of controlling product crystal size |
| CN113181679A (en) * | 2021-04-20 | 2021-07-30 | 金溪华香香料有限公司 | Recrystallization purification device of linalyl acetate |
| CN113926217A (en) * | 2021-11-25 | 2022-01-14 | 西安西热水务环保有限公司 | High-efficient regeneration system of calcium-removing fluidized bed crystal seed |
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Effective date of registration: 20210219 Address after: 618201 Sichuan Siteri lithium Co., Ltd., southwest of Industrial Avenue, de'a Industrial Park, Hanwang Town, Mianzhu City, Deyang City, Sichuan Province Applicant 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 Applicant before: SICHUAN SITERUI TECHNOLOGY Co.,Ltd. |
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Application publication date: 20171010 |