CN208990284U - A kind of material directly contacts cooling crystallizer with refrigerant - Google Patents
A kind of material directly contacts cooling crystallizer with refrigerant Download PDFInfo
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- CN208990284U CN208990284U CN201821678674.7U CN201821678674U CN208990284U CN 208990284 U CN208990284 U CN 208990284U CN 201821678674 U CN201821678674 U CN 201821678674U CN 208990284 U CN208990284 U CN 208990284U
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Abstract
The utility model belongs to machinery field, and specially a kind of material directly contacts cooling crystallizer with refrigerant.The equipment includes crystallizer ontology (1), distribution rings (2), nozzle (3), inlet valve (4), gas phase refrigerant outlet (A), material solution import (B), liquid phase refrigerant inlet (C) and material suspended liquid outlet (F).Multi-layer annular liquid phase refrigerant distribution rings (2) are disposed in crystallizer ontology (1) middle and lower part, entry nozzle (3) are arranged in every layer of distribution rings (2) lower part, inlet valve (4) are arranged in distribution rings (2) front end, the liquid phase refrigerant inlet in each layer annular liquid phase refrigerant distribution rings (2) is controlled by inlet valve (4), to reach control crystallizer ontology (1) interior crystalline mother solution degree of supersaturation, make to form crystal nucleus generation region in crystallizer in vertical direction, crystal growth area, the equipment and its internal setting can be effectively controlled the falling temperature gradient of material, the advantages that granule size of the crystallization rate of crystal and crystal.
Description
Technical field
The utility model belongs to mechanical equipment technical field, and specially a kind of material directly contacts cooling crystallization with refrigerant
Equipment.
Background technique
In chemical industry, the solubility of some substances is more sensitive to temperature change, generallys use the side for changing temperature
Method makes it crystallize out from solution, to achieve the purpose that separation.Crystallisation by cooling is one of the most common type method, crystallizer
Just therefore give birth to.Crystallizer is also known as crystallizer.Equipment for carrying out crystallization operation.Usually by saturated solution cooling or steaming
Hair makes to reach certain degree of super saturation and precipitates crystal.And it is the most universal in such a way that heat exchanger cool down indirectly, this
Method advantage is that solution enters without other substances, will not foul solution, but disadvantage is obvious, and indirect cooling heat-exchanging system exists
During long-term operation, crystal is attached to cooling device outer surface, reduces heat transfer effect, needs to stop and be cleaned, shadow
The disadvantages of ringing equipment long-term operation.
Summary of the invention
The utility model main purpose is in view of the above-mentioned problems, providing a kind of material directly contacts cooling crystallization with refrigerant
Equipment.In the device, material and low temperature liquid phase refrigerant direct contact heat transfer, the heated vaporization of refrigerant, take away amount of heat, thus
Achieve the purpose that make material decrease temperature crystalline.The equipment is for avoiding indirect heat exchange equipment list in the crystallisation by cooling operation of material
Face scale problems improve heat transfer efficiency, extend service life.
In order to realize the above goal of the invention, the utility model the specific technical proposal is:
A kind of material directly contacts cooling crystallizer, including crystallizer ontology, annular liquid phase refrigerant inlet with refrigerant
Pipe, entry nozzle, inlet valve, gas phase refrigerant outlet, material solution import, liquid phase refrigerant inlet and the outlet of material suspended liquid,
The crystallizer ontology is cylinder type equipment, and bottom is inverted triangular structure, is disposed with multilayer in crystallizer ontology middle and lower part
Entry nozzle, annular liquid phase refrigerant inlet is arranged in the lower part of annular liquid phase refrigerant inlet pipe, every layer of annular liquid phase refrigerant inlet pipe
The front end of pipe by setting inlet valve connect with liquid phase refrigerant inlet, can be controlled by inlet valve each layer annular liquid phase refrigerant into
Liquid phase refrigerant inlet in mouth pipe.At the top of crystallizer ontology, setting gas phase refrigerant is exported, in the bottom of crystallizer ontology,
Arranging thing pulp suspension exports i.e. on the angle of up-side down triangle, and material is arranged on the crystallizer ontology of liquid phase refrigerant inlet upper end
Solution inlet port.
Preferably, the draw ratio of the crystallizer ontology is 5 ~ 10.
The annular liquid phase refrigerant inlet pipe is 2 ~ 5 layers.The lower part setting import of every layer of annular liquid phase refrigerant inlet pipe is sprayed
The quantity of mouth is N number of, N > 1.
The positive effect of the present invention is embodied in:
(1), in the device, material and low temperature liquid phase refrigerant direct contact heat transfer, the heated vaporization of refrigerant, take away a large amount of
Heat, to achieve the purpose that make material decrease temperature crystalline.
(2), the equipment is for avoiding indirect heat exchange equipment surface scale problems, mentioning in the crystallisation by cooling operation of material
High heat transfer efficiency extends service life.
(3), the liquid phase refrigerant inlet in each layer annular liquid phase refrigerant inlet pipe is controlled by inlet valve, to reach control
Crystalline mother solution degree of supersaturation in crystallizer ontology processed makes to form crystal nucleus generation region, crystal growth in crystallizer in vertical direction
Area, the equipment and its internal setting can be effectively controlled the granule size of the falling temperature gradient of material, the crystallization rate of crystal and crystal
The advantages that.
Detailed description of the invention
Fig. 1 shows for the structure that material described in the utility model embodiment 1 directly contacts cooling crystallizer with refrigerant
It is intended to.
Wherein, 1 --- crystallizer ontology, 2 --- annular liquid phase refrigerant inlet pipe, 3 --- entry nozzle, 4 --- imports
--- gas phase refrigerant outlet, B --- the material suspended liquid outlet of material solution import, C --- liquid phase refrigerant inlet, F --- of valve, A.
Specific embodiment
In order to make the contents of the present invention easily facilitate understanding, With reference to embodiment to it is heretofore described from
Sintering carbon graphite sealing material and preparation method thereof is further elaborated.But this should not be interpreted as to the above-mentioned theme of the present invention
Range is only limitted to following embodiments.
Embodiment 1:
As shown in Figure 1, a kind of make material and refrigerant directly contact the crystallizer of cooling down, which includes knot
Brilliant device ontology 1, liquid phase refrigerant inlet pipe 2, nozzle 3, inlet valve 4, gas phase refrigerant export A, material solution import B, liquid phase refrigerant
One C of import, two D of liquid phase refrigerant inlet, three E of liquid phase refrigerant inlet, material suspended liquid export F.Crystallizer ontology 1 is cylinder first
Shape equipment, bottom are inverted triangular structure, arrange the liquid phase refrigerant inlet pipe 2 that haves three layers in 1 middle and lower part of crystallizer ontology, liquid phase is cold
Matchmaker's inlet tube is ring structure, and 30 nozzles 3, annular liquid phase refrigerant inlet is arranged every layer of 2 lower part of liquid phase refrigerant inlet pipe
The front end of pipe 2 is connect by the inlet valve 4 of setting with liquid phase refrigerant inlet C/D/E.At the top of crystallizer ontology 1, gas phase is set
Refrigerant exit A, in the bottom of crystallizer ontology 1, i.e., arranging thing pulp suspension exports F on the angle of up-side down triangle, cold in liquid phase
Material solution inlet port B is set on the crystallizer ontology 1 of the upper end matchmaker import C.Each layer annular liquid phase refrigerant can be controlled by inlet valve 4
Liquid phase refrigerant inlet in inlet tube 2.
Specific production process:
In process of production, material solution enters crystallizer ontology 1 by material solution import B, exports F through material suspended liquid
Crystallizer ontology is flowed out, liquid phase refrigerant enters liquid phase refrigerant inlet pipe 2 by liquid phase refrigerant inlet (C/D/E), and through entry nozzle 3
It is sent into crystallizer ontology 1, after vaporizing in crystallizer ontology, passes through material solution, enter exterior tube through gas phase refrigerant outlet A
Road.Liquid phase refrigerant absorbs heat in the solution and vaporizes, and material solution gradually cools down in top-down flow process,
It forms supersaturated solution and generates nucleus, because crystallizer ontology is cylindrical shape, and draw ratio is 7, and solution stops in crystallizer
Time is longer, and distribution rings are upper and lower multi-tier arrangement, and every layer has refrigerant vaporescence, by adjusting each layer inlet valve 4, can make
The degree of supersaturation control of solution, if crystal grain in material suspended liquid outlet F is too small, can be reduced within the scope of relatively more reasonable
The refrigerant inlet of each layer nozzle.Nucleus is gradually grown up in downward flow process, for avoid crystal enter liquid phase refrigerant into
Mouth 2 inner nozzle of pipe, plug nozzle are special that nozzle is arranged in 2 lower part of liquid phase refrigerant inlet pipe.
The liquid phase refrigerant inlet in each layer annular liquid phase refrigerant inlet pipe 2 is controlled by inlet valve 4 in the equipment, to reach
Crystalline mother solution degree of supersaturation in control crystallizer ontology 1, makes to form crystal nucleus generation region, crystal in crystallizer in vertical direction
Vitellarium, the equipment and its internal setting can be effectively controlled the granularity of the falling temperature gradient of material, the crystallization rate of crystal and crystal
The advantages that size.
Embodiment 2:
As shown in Figure 1, a kind of make material and refrigerant directly contact the crystallizer of cooling down, which includes knot
Brilliant device ontology 1, liquid phase refrigerant inlet pipe 2, nozzle 3, inlet valve 4, gas phase refrigerant export A, material solution import B, liquid phase refrigerant
One C of import, two D of liquid phase refrigerant inlet, three E of liquid phase refrigerant inlet, material suspended liquid export F.Crystallizer ontology 1 is cylinder first
Shape equipment, bottom are inverted triangular structure, arrange the liquid phase refrigerant inlet pipe 2 that haves three layers in 1 middle and lower part of crystallizer ontology, liquid phase is cold
Matchmaker's inlet tube is ring structure, and 40 nozzles 3, annular liquid phase refrigerant inlet is arranged every layer of 2 lower part of liquid phase refrigerant inlet pipe
The front end of pipe 2 is connect by the inlet valve 4 of setting with liquid phase refrigerant inlet C/D/E.At the top of crystallizer ontology 1, gas phase is set
Refrigerant exit A, in the bottom of crystallizer ontology 1, i.e., arranging thing pulp suspension exports F on the angle of up-side down triangle, cold in liquid phase
Material solution inlet port B is set on the crystallizer ontology 1 of the upper end matchmaker import C.Each layer annular liquid phase refrigerant can be controlled by inlet valve 4
Liquid phase refrigerant inlet in inlet tube 2.
Specific production process:
In process of production, material solution enters crystallizer ontology 1 by material solution import B, exports F through material suspended liquid
Crystallizer ontology is flowed out, liquid phase refrigerant enters liquid phase refrigerant inlet pipe 2 by liquid phase refrigerant inlet (C/D/E), and through entry nozzle 3
It is sent into crystallizer ontology 1, after vaporizing in crystallizer ontology, passes through material solution, enter exterior tube through gas phase refrigerant outlet A
Road.Liquid phase refrigerant absorbs heat in the solution and vaporizes, and material solution gradually cools down in top-down flow process,
It forms supersaturated solution and generates nucleus, because crystallizer ontology is cylindrical shape, and draw ratio is 9, and solution stops in crystallizer
Time is longer, and distribution rings are upper and lower multi-tier arrangement, and every layer has refrigerant vaporescence, by adjusting each layer inlet valve 4, can make
The degree of supersaturation control of solution, if crystal grain in material suspended liquid outlet F is too small, can be reduced within the scope of relatively more reasonable
The refrigerant inlet of each layer nozzle.Nucleus is gradually grown up in downward flow process, for avoid crystal enter liquid phase refrigerant into
Mouth 2 inner nozzle of pipe, plug nozzle are special that nozzle is arranged in 2 lower part of liquid phase refrigerant inlet pipe.
The liquid phase refrigerant inlet in each layer annular liquid phase refrigerant inlet pipe 2 is controlled by inlet valve 4 in the equipment, to reach
Crystalline mother solution degree of supersaturation in control crystallizer ontology 1, makes to form crystal nucleus generation region, crystal in crystallizer in vertical direction
Vitellarium, the equipment and its internal setting can be effectively controlled the granularity of the falling temperature gradient of material, the crystallization rate of crystal and crystal
The advantages that size.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of material directly contacts cooling crystallizer, including crystallizer ontology (1), annular liquid phase refrigerant inlet with refrigerant
Manage (2), entry nozzle (3), inlet valve (4), gas phase refrigerant outlet (A), material solution import (B), liquid phase refrigerant inlet (C) and
Material suspended liquid exports (F), it is characterised in that: the crystallizer ontology (1) is cylinder type equipment, and bottom is up-side down triangle knot
Structure is disposed with multi-layer annular liquid phase refrigerant inlet pipe (2), every layer of annular liquid phase refrigerant inlet in crystallizer ontology (1) middle and lower part
Entry nozzle (3) are arranged in the lower part for managing (2), the inlet valve (4) and liquid that the front end of annular liquid phase refrigerant inlet pipe (2) passes through setting
Phase refrigerant inlet (C) connection, at the top of crystallizer ontology (1), setting gas phase refrigerant exports (A), in crystallizer ontology (1)
Bottom, i.e., arranging thing pulp suspension outlet (F), the crystallizer sheet in the upper end liquid phase refrigerant inlet (C) on the angle of up-side down triangle
Material solution inlet port (B) is set on body (1).
2. material directly contacts cooling crystallizer with refrigerant according to claim 1, it is characterised in that: the crystallization
The draw ratio of device ontology (1) is 5 ~ 10.
3. material directly contacts cooling crystallizer with refrigerant according to claim 1, it is characterised in that: the annular liquid
Phase refrigerant inlet pipe (2) is 2 ~ 5 layers.
4. material directly contacts cooling crystallizer with refrigerant according to claim 1, it is characterised in that: every layer of annular liquid
The quantity that entry nozzle (3) are arranged in phase refrigerant inlet pipe (2) lower part is N number of, N > 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821678674.7U CN208990284U (en) | 2018-10-17 | 2018-10-17 | A kind of material directly contacts cooling crystallizer with refrigerant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678674.7U CN208990284U (en) | 2018-10-17 | 2018-10-17 | A kind of material directly contacts cooling crystallizer with refrigerant |
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| CN208990284U true CN208990284U (en) | 2019-06-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180209A (en) * | 2019-06-19 | 2019-08-30 | 陕西宏元化工技术有限公司 | A kind of cooling crystallization method directly to exchange heat |
| CN114768294A (en) * | 2022-06-21 | 2022-07-22 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
-
2018
- 2018-10-17 CN CN201821678674.7U patent/CN208990284U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180209A (en) * | 2019-06-19 | 2019-08-30 | 陕西宏元化工技术有限公司 | A kind of cooling crystallization method directly to exchange heat |
| CN114768294A (en) * | 2022-06-21 | 2022-07-22 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
| CN114768294B (en) * | 2022-06-21 | 2022-08-30 | 河北纽思泰伦环保科技有限公司 | Continuous crystallization system of thiourea |
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