CN100544804C - Circulation-type crystallizer - Google Patents
Circulation-type crystallizer Download PDFInfo
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- CN100544804C CN100544804C CNB2007100688863A CN200710068886A CN100544804C CN 100544804 C CN100544804 C CN 100544804C CN B2007100688863 A CNB2007100688863 A CN B2007100688863A CN 200710068886 A CN200710068886 A CN 200710068886A CN 100544804 C CN100544804 C CN 100544804C
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- tank
- circulation
- crystallizing tank
- circulation line
- crystallization
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Abstract
A kind of circulation-type crystallizer, comprise crystallizing tank, cooling sandwith layer around the crystallizing tank layout, be provided with splash bar in the described crystallizing tank, crystallizing tank is provided with inlet, liquid outlet, be provided with circulation line between described liquid outlet and the inlet, arrange the middle pond that is provided with gap on the described circulation line successively, be used to store the crystallization head tank of solution just, condenser, described circulation line also is equipped with circulation mercury, described crystallizing tank below also is provided with the crystal solution outlet, the crystal solution outlet is communicated with crystallization tank, and described crystallization tank is provided with the mother liquor that is communicated with crystallizing tank and returns a jar pipeline, and described mother liquor returns a jar pipeline and is provided with vavuum pump.This circulation-type crystallizer Recycling Mother Solution is got back in the crystallizing tank, the efficient height, and energy consumes low.
Description
(1) technical field
The present invention relates to a kind of circulation-type crystallizer.
(2) background technology
Existing crystallizer is that highly enriched solution is placed the crystallizing tank of establishing the liquid in-out mouth, arrange cooling sandwith layer around crystallizing tank, establish the but coil pipe of medium circulation of cooling in the cooling sandwith layer, establish splash bar in the crystallizing tank, Yi Bian use splash bar to stir highly enriched solution, Yi Bian cool off, treat after the highly enriched solution cooling, highly enriched solution crystallization is poured out the mother liquor of top in the crystallizing tank bottom, can take out crystallization.So, get crystallization inconvenience, it is slow to conduct heat, incrustation is serious, and crystallization time is long, inefficiency, energy consumption is big, and highly concentrated solution is sharply lowered the temperature, and solution supersaturation fluctuation is bigger, first nucleation very easily appears in crystal in growth course, prepared crystal morphology is not good enough, and particle is less, the water content height, increased the oven dry energy consumption, the granule crystal is easy moisture absorption caking when depositing, and is not easy to store.
(3) summary of the invention
Get crystallization inconvenience in the prior art in order to overcome, it is slow to conduct heat, and incrustation is serious, crystallization time is long, inefficiency, and energy consumption is big, crystalline particle is less, the deficiency that water content is high, and the utility model provides a kind of crystallization of getting automatically, it is fast to conduct heat, do not have incrustation, crystallization time is short, the efficient height, energy consumes low, makes the bigger a kind of circulation-type crystallizer of crystalline particle.
Technical scheme of the present invention is:
A kind of circulation-type crystallizer, comprise crystallizing tank, cooling sandwith layer around the crystallizing tank layout, be provided with the but coil pipe of medium circulation of cooling in the described cooling sandwith layer, be provided with splash bar in the described crystallizing tank, crystallizing tank is provided with inlet, liquid outlet, be provided with circulation line between described liquid outlet and the inlet, arrange the middle pond that is provided with gap on the described circulation line successively, be used to store the crystallization head tank of solution just, condenser, described liquid outlet feeds described middle pond, and the gap in described middle pond is communicated with circulation line, and described head tank is connected by the head tank communicating pipe and the circulation line that are provided with valve, described condenser is located at and leans on an into end of inlet on the circulation line, described circulation line also is equipped with circulation mercury, and described crystallizing tank below also is provided with the crystal solution outlet, and the crystal solution outlet is communicated with crystallization tank, described crystallization tank is provided with the mother liquor that is communicated with crystallizing tank and returns a jar pipeline, and described mother liquor returns a jar pipeline and is provided with vavuum pump.
Preferred described circulation mercury is located on the circulation line between condenser and the head tank.
Mother liquor of the present invention returns jar pipeline and can be communicated with inlet, described mother liquor returns a jar pipeline and is provided with valve, can make the crystal solution of mixing in the crystallizing tank put into crystallization tank like this from the crystal solution outlet, lower floor's crystallization, the mother liquor on upper strata is directly returned in the crystallizing tank by inlet by vavuum pump again, can directly regulate the concentration of the crystal solution in the crystallizing tank.
Mother liquor of the present invention returns jar pipeline and also can be communicated with middle pond, can make the mother liquor on crystallization Cao's upper strata squeeze into middle pond like this by vavuum pump, get back in the crystallizing tank circulation line from the gap in middle pond again, finally get back to crystallizing tank, but the concentration of the crystal solution in the indirect regulation crystallizing tank.
The beneficial effect of circulation-type crystallizer described in the utility model mainly shows: 1, the crystallizing tank below is provided with the crystal solution outlet, can directly emit crystal solution, stays crystallization, and mother liquor then is circulated back in the crystallizing tank, the efficient height, and energy consumes low; 2, lean on the circulation line into that an end of inlet is provided with condenser, just cool off earlier before advancing crystallizing tank, it is fast to conduct heat, and does not have incrustation, the crystallization time weak point, and crystalline particle is bigger.
(4) description of drawings
Fig. 1 is the structural representation of the utility model circulation-type crystallizer.
Fig. 2 is another structural representation of the utility model circulation-type crystallizer.
(5) specific embodiment
Below in conjunction with accompanying drawing the present invention is further described, but protection scope of the present invention is not limited to this.
A kind of circulation-type crystallizer, comprise crystallizing tank 1, cooling sandwith layer 2 around crystallizing tank 1 layout, be provided with the but coil pipe of medium circulation of cooling in the described cooling sandwith layer 2, be provided with splash bar 4 in the described crystallizing tank 1, crystallizing tank 1 is provided with inlet 5, liquid outlet 6, be provided with circulation line between described liquid outlet 6 and the inlet 5, arrange the middle pond 8 that is provided with gap 7 on the described circulation line successively, be used to store the crystallization head tank 9 of solution just, condenser 10, described liquid outlet 6 feeds described middle pond 8, the gap 7 in pond 8 is communicated with circulation line in the middle of described, described head tank 9 was connected with circulation line by the head tank communicating pipe 14 that is provided with valve, described condenser 10 is located on the circulation line end near inlet 5, and described circulation line also is equipped with circulation mercury 11, and described circulation mercury 11 is located on the circulation line between condenser 10 and the head tank 9.Described crystallizing tank 1 below also is provided with crystal solution outlet 12, and crystal solution outlet 12 is communicated with crystallization tank 13, and described crystallization tank 13 is provided with the mother liquor that is communicated with crystallizing tank 1 and returns a jar pipeline, and described mother liquor returns a jar pipeline and is provided with vavuum pump 3.
Described mother liquor returns jar pipeline and is communicated with inlet 5, described mother liquor returns a jar pipeline and is provided with valve, the crystal solution of mixing in the crystallizing tank 1 can be put into the crystallization of crystallization tank 13 lower floors from crystal solution outlet 12 like this, the mother liquor on upper strata is directly returned in the crystallizing tank 1 by inlet 5 by vavuum pump 3 again, can directly regulate the concentration of the crystal solution in the crystallizing tank 1.
Referring to accompanying drawing 1:
During work, the first solution of crystallization is placed head tank 9, cool off by condenser 10 when flowing through circulation line, send into then in the crystallizing tank 1, in crystallizing tank 1 under the effect of splash bar 4, constantly there are the small amount of crystalline and the mother liquor on upper strata to flow into middle pond 8 from liquid outlet 6, middle pond 8 lower floor's accumulative crystallizations, but gap 7 constantly has mother liquor to flow out and feeds in the circulation line.Behind the certain hour interval, crystallization solution fully is mixed in crystallizing tank 1, and the heavy collection of increasing crystallization is in crystallizing tank 1 bottom.Put down crystallization that some be mixed with mother liquor to crystallization tank 13 from the crystal solution of crystallizing tank 1 bottom outlet 12 this moment, by vavuum pump 3 mother liquor sucking-off to the mother liquor on crystallization tank 13 upper stratas returned a jar pipeline, directly gets back to the crystallizing tank 1 from the inlet 5 of crystallizing tank 1.
Embodiment two:
A kind of circulation-type crystallizer is communicated with middle pond except that mother liquor returns jar pipeline, and other structure and embodiment one are identical.
Referring to accompanying drawing 2:
During work, the first solution of crystallization is placed head tank 9, cool off by condenser 10 when flowing through circulation line, send into then in the crystallizing tank 1, in crystallizing tank 1 under the effect of splash bar 4, constantly there are the small amount of crystalline and the mother liquor on upper strata to flow into middle pond 8 from liquid outlet 6, middle pond 8 lower floor's accumulative crystallizations, but gap 7 constantly has mother liquor to flow out and feeds in the circulation line.Behind the certain hour interval, crystallization solution fully is mixed in crystallizing tank 1, and the heavy collection of increasing crystallization is in crystallizing tank 1 bottom.Put down crystallization that some be mixed with mother liquor to crystallization tank 13 from the crystal solution of crystallizing tank 1 bottom outlet 12 this moment, by vavuum pump 3 mother liquor sucking-off to the mother liquor on crystallization tank 13 upper stratas returned a jar pipeline, in the middle of sending in the pond 8 again.
The present embodiment mother liquor returns jar pipeline and is communicated with middle pond 8, can make the mother liquor on the upper strata of crystallization tank 1 squeeze into middle pond 8 like this by vavuum pump 3, get back in the crystallizing tank circulation line from the gap 7 in middle pond 8 again, finally get back to crystallizing tank 1, but the concentration of the crystal solution in the indirect regulation crystallizing tank 1.
Claims (4)
1. circulation-type crystallizer, comprise crystallizing tank, cooling sandwith layer around the crystallizing tank layout, be provided with the but coil pipe of medium circulation of cooling in the described cooling sandwith layer, be provided with splash bar in the described crystallizing tank, crystallizing tank is provided with inlet, liquid outlet, it is characterized in that, be provided with circulation line between described liquid outlet and the inlet, arrange the middle pond that is provided with gap on the described circulation line successively, be used to store the crystallization just head tank and the condenser of solution, described liquid outlet feeds described middle pond, and the gap in described middle pond is communicated with circulation line, and described head tank is connected by the head tank communicating pipe and the circulation line that are provided with valve, described condenser is located at an end of close inlet on the circulation line, described circulation line also is equipped with circulating pump, and described crystallizing tank below also is provided with the crystal solution outlet, and the crystal solution outlet is communicated with crystallization tank, described crystallization tank is provided with the mother liquor that is communicated with crystallizing tank and returns a jar pipeline, and described mother liquor returns a jar pipeline and is provided with vavuum pump.
2. circulation-type crystallizer as claimed in claim 1 is characterized in that described circulating pump is located on the circulation line between condenser and the head tank.
3. circulation-type crystallizer as claimed in claim 1 is characterized in that described mother liquor returns jar pipeline and is communicated with inlet, and described mother liquor returns a jar pipeline and is provided with valve.
4. circulation-type crystallizer, comprise crystallizing tank, cooling sandwith layer around the crystallizing tank layout, be provided with the but coil pipe of medium circulation of cooling in the described cooling sandwith layer, be provided with splash bar in the described crystallizing tank, crystallizing tank is provided with inlet, liquid outlet, it is characterized in that, be provided with circulation line between described liquid outlet and the inlet, arrange the middle pond that is provided with gap on the described circulation line successively, be used to store the crystallization just head tank and the condenser of solution, described liquid outlet feeds described middle pond, and the gap in described middle pond is communicated with circulation line, and described head tank is connected by the head tank communicating pipe and the circulation line that are provided with valve, described condenser is located at an end of close inlet on the circulation line, described circulation line also is equipped with circulating pump, and described crystallizing tank below also is provided with the crystal solution outlet, and the crystal solution outlet is communicated with crystallization tank, described crystallization tank is provided with the mother liquor that is communicated with middle pond and returns a jar pipeline, and described mother liquor returns a jar pipeline and is provided with vavuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100688863A CN100544804C (en) | 2007-05-23 | 2007-05-23 | Circulation-type crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100688863A CN100544804C (en) | 2007-05-23 | 2007-05-23 | Circulation-type crystallizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101143269A CN101143269A (en) | 2008-03-19 |
| CN100544804C true CN100544804C (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100688863A Expired - Fee Related CN100544804C (en) | 2007-05-23 | 2007-05-23 | Circulation-type crystallizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN100544804C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353262B (en) * | 2014-11-07 | 2017-11-07 | 安徽泰合森能源科技有限责任公司 | A kind of combined air air cooling device |
| CN104353261B (en) * | 2014-11-07 | 2017-11-07 | 安徽泰合森能源科技有限责任公司 | A kind of vertical cooling device |
| CN105731403A (en) * | 2016-01-15 | 2016-07-06 | 江苏新泰材料科技股份有限公司 | Lithium hexafluorophosphate crystallization device and crystallization method capable of lowering energy consumption |
| CN107261542B (en) * | 2017-06-28 | 2023-01-24 | 河北诺达化工设备有限公司 | OSLO crystallization device |
| CN110041387A (en) * | 2019-04-01 | 2019-07-23 | 于发东 | The wastewater treatment circulation recycling device and method of scutelloside are extracted with radix scutellariae |
-
2007
- 2007-05-23 CN CNB2007100688863A patent/CN100544804C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101143269A (en) | 2008-03-19 |
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Granted publication date: 20090930 Termination date: 20150523 |
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