CN107982944A - A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat - Google Patents
A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat Download PDFInfo
- Publication number
- CN107982944A CN107982944A CN201711462720.XA CN201711462720A CN107982944A CN 107982944 A CN107982944 A CN 107982944A CN 201711462720 A CN201711462720 A CN 201711462720A CN 107982944 A CN107982944 A CN 107982944A
- Authority
- CN
- China
- Prior art keywords
- steam
- outlet
- crystallizing evaporator
- cutting machine
- crystallization device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002425 crystallisation Methods 0.000 title claims abstract description 26
- 230000008025 crystallization Effects 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 16
- 239000012452 mother liquor Substances 0.000 claims abstract description 12
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0031—Evaporation of components of the mixture to be separated by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention provides a kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat, including crystallizing evaporator, spiral cutting machine, crystal filter, steam condenser, vacuum pump assembly.Crystallizing evaporator is equipped with steam inlet, condensation-water drain, material inlet, steam (vapor) outlet, mother liquor entrance, material outlet；It is semi-spiral steam jacket outside crystallizing evaporator, inside sets scraper type agitating paddle, and bottom is cone, its material outlet is connected with spiral cutting machine entrance；Screw drives solids exit is set in spiral cutting machine, peripheral hardware cooling water pipe cooling material, material is exported through spiral cutting machine enters crystallization filter；Crystalline solid is obtained after filtering, and the mother liquor filtered out returns to steam crystallizer；Crystallizing evaporator steam (vapor) outlet is connected with steam condenser inlet, and what steam condenser was equipped with vacuumize interface is connected with vacuum pump assembly.By the optimization to crystallizing evaporator structure and the improvement of discharge method, effectively discharge blockage occurs the present invention for anti-locking apparatus.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to evaporated crystallization device.
Background technology
Evaporative crystallization is one of operation common in industrial production, is widely used in chemical industry, wastewater treatment, pharmacy, light industry etc.
Field.The most important equipment of evaporated crystallization device is crystallizing evaporator, and raw material liq reaches supersaturated shape in crystallizing evaporator
State separates out solute, obtains crystalline solid.
But in evaporation and crystal process, nucleus can be attached to heat-transfer surface inner surface and fouling, gently then influence heat exchange efficiency, weight
Can then device be blocked, seriously affect evaporated crystallization device normal operation.The material after evaporative crystallization was at the same time
Saturated liquid, crystal quickly separates out after cooling so that evaporated crystallization device unloading position easily blocks, it is necessary to often parking inspection
Repair, seriously affected the continuous operation of evaporated crystallization device.
The content of the invention
It is an object of the invention to overcome defect existing in the prior art, there is provided a kind of evaporation knot for preventing discharge blockage
Brilliant device, can effectively solve the problems, such as the fouling of crystallization apparatus heat-transfer surface and the blocking of unloading position.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of evaporated crystallization device for preventing discharge blockage, it is characterised in that：The evaporated crystallization device includes evaporation and ties
Brilliant device, spiral cutting machine, crystal filter, steam condenser, vacuum pump assembly.
The crystallizing evaporator is equipped with steam inlet, condensation-water drain, material inlet, steam (vapor) outlet, mother liquor entrance, thing
Material outlet；It is semi-spiral steam jacket outside crystallizing evaporator, inside sets scraper type agitating paddle, and bottom is cone, its material goes out
Mouth is connected with spiral cutting machine entrance.
Screw drives solids exit is set in the spiral cutting machine, peripheral hardware cooling water pipe cooling material, material is through spiral
Blanking machine outlet enters crystallization filter；Crystalline solid is obtained after filtering, and the mother liquor filtered out is returned to via mother liquor reflux entrance
Steam crystallizer.
The crystallizing evaporator steam (vapor) outlet is connected with steam condenser inlet, and what steam condenser was equipped with, which vacuumize, connects
Mouth is connected with vacuum pump assembly.
The beneficial effects of the invention are as follows：Liquid in steam heating evaporation crystallizer outside crystallizing evaporator in semi-spiral casing
Body evaporates the water to obtain supersaturated liquid precipitation crystallization, scraper type agitating paddle is in stirring in crystallizing evaporator to 50~95 DEG C
It can effectively prevent heat-transfer surface fouling at the same time；Base of evaporator is arranged to taper, prevents crystalline solid accumulation from blocking, ties at the same time
Brilliant solids exit connects the spiral cutting machine containing cooling water pipe, and crystallized stock is cooled to 30~70 DEG C in blanking machine,
So that crystal solution solids content increases, and the screw in blanking machine drives solid energy while can guarantee that solids content increase
Smoothly discharging.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
According to Fig. 1, the present invention includes crystallizing evaporator 1, spiral cutting machine 2, crystal filter 3, steam condenser 4, true
Empty pump assembly 5.
The crystallizing evaporator is equipped with steam inlet 105, condensation-water drain 109, material inlet 106, steam (vapor) outlet
107th, mother liquor entrance 108, material outlet 104；It is semi-spiral steam jacket 102 outside crystallizing evaporator, inside sets scraper type and stirs
Paddle 101 is mixed, bottom is cone 103, its material outlet 104 is connected with spiral cutting machine entrance 203.
Screw 201 is set in the spiral cutting machine 2 and drives solids exit, 202 cooling thing of peripheral hardware cooling water pipe
Material, material enter crystallization filter 3 through spiral cutting machine outlet 206；Crystalline solid is obtained after filtering, crystallizes filter mother liquor
Outlet 303 is connected with steam crystallizer mother liquor entrance 108.
The crystallizing evaporator steam (vapor) outlet 107 is connected with steam condenser inlet 401, what steam condenser 4 was equipped with
Vacuumize interface 403 and vacuum Pump Suction Nozzle 501, there is provided vapo(u)rization system vacuumizing condition.
The present invention is in use, liquid is to 50 in steam heating evaporation crystallizer outside crystallizing evaporator in semi-spiral casing
~95 DEG C, evaporate the water to obtain supersaturated liquid and separate out crystallization, under spiral containing cooling water pipe of crystalline solid discharging connection
Material machine, crystallized stock are cooled to 30~70 DEG C in blanking machine, and crystal solution solids content increases, the crystallized filter of crystal solution
After obtain crystalline product.
Claims (7)
- A kind of 1. evaporated crystallization device for preventing discharge blockage, efficiently turning heat, it is characterised in that：The evaporated crystallization device includes Crystallizing evaporator, spiral cutting machine, crystal filter, steam condenser, vacuum pump assembly.
- 2. the evaporated crystallization device according to claim 1 for preventing discharge blockage, it is characterised in that：The crystallizing evaporator It is equipped with steam inlet, condensation-water drain, material inlet, steam (vapor) outlet, mother liquor entrance, material outlet.
- 3. crystallizing evaporator according to claim 2, it is characterised in that：It is semi-spiral steam outside the crystallizing evaporator Casing, inside set scraper type agitating paddle, and bottom is cone.
- 4. the evaporated crystallization device according to claim 1 for preventing discharge blockage, it is characterised in that：The crystallizing evaporator Material outlet is connected with spiral cutting machine entrance.
- 5. the evaporated crystallization device according to claim 1 for preventing discharge blockage, it is characterised in that：The spiral cutting machine Screw driving solids exit is inside set, peripheral hardware cooling water pipe cooling material, material is through described in spiral cutting machine outlet entrance Crystallize filter.
- 6. the evaporated crystallization device according to claim 1 for preventing discharge blockage, it is characterised in that：The crystal filter Equipped with crystallization outlet and mother liquor outlet, the crystallization outlet exports crystalline solid, the mother liquor outlet and the crystallizing evaporator Mother liquor entrance is connected.
- 7. the evaporated crystallization device according to claim 1 for preventing discharge blockage, it is characterised in that：The crystallizing evaporator Steam (vapor) outlet is connected with the steam condenser inlet, and what the steam condenser was equipped with vacuumizes interface and vacuum pump assembly It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462720.XA CN107982944A (en) | 2017-12-28 | 2017-12-28 | A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462720.XA CN107982944A (en) | 2017-12-28 | 2017-12-28 | A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107982944A true CN107982944A (en) | 2018-05-04 |
Family
ID=62042283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462720.XA Pending CN107982944A (en) | 2017-12-28 | 2017-12-28 | A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107982944A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476883A (en) * | 2021-07-21 | 2021-10-08 | 赵军鑫 | Online salt discharging device for evaporative crystallization |
| CN115385407A (en) * | 2022-07-20 | 2022-11-25 | 中科嘉辞(昆山)环保科技有限公司 | Industrial wastewater zero-discharge clear liquid anti-blocking type crystallization evaporator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102366679A (en) * | 2011-08-31 | 2012-03-07 | 华南理工大学 | Horizontal spiral push-type supersonic cooling crystallization machine |
| CN203582508U (en) * | 2013-12-17 | 2014-05-07 | 上虞市佳和化工有限公司 | Improved sodium chloride recycling crystallization device |
| CN203944144U (en) * | 2014-07-03 | 2014-11-19 | 北京紫晶石精细化工技术有限公司 | A kind of deuterostrophies film vacuum drying system |
| CN104841147A (en) * | 2015-05-20 | 2015-08-19 | 浙江创兴化工设备有限公司 | Agitating type evaporator for salt-containing wastewater separation |
| CN106379920A (en) * | 2016-11-17 | 2017-02-08 | 河北言明化工设备有限公司 | Device and method of preparing pure lithium chloride solution by precipitating sodium through evaporation of mixed aqueous solution of lithium chloride and sodium chloride |
-
2017
- 2017-12-28 CN CN201711462720.XA patent/CN107982944A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102366679A (en) * | 2011-08-31 | 2012-03-07 | 华南理工大学 | Horizontal spiral push-type supersonic cooling crystallization machine |
| CN203582508U (en) * | 2013-12-17 | 2014-05-07 | 上虞市佳和化工有限公司 | Improved sodium chloride recycling crystallization device |
| CN203944144U (en) * | 2014-07-03 | 2014-11-19 | 北京紫晶石精细化工技术有限公司 | A kind of deuterostrophies film vacuum drying system |
| CN104841147A (en) * | 2015-05-20 | 2015-08-19 | 浙江创兴化工设备有限公司 | Agitating type evaporator for salt-containing wastewater separation |
| CN106379920A (en) * | 2016-11-17 | 2017-02-08 | 河北言明化工设备有限公司 | Device and method of preparing pure lithium chloride solution by precipitating sodium through evaporation of mixed aqueous solution of lithium chloride and sodium chloride |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476883A (en) * | 2021-07-21 | 2021-10-08 | 赵军鑫 | Online salt discharging device for evaporative crystallization |
| CN115385407A (en) * | 2022-07-20 | 2022-11-25 | 中科嘉辞(昆山)环保科技有限公司 | Industrial wastewater zero-discharge clear liquid anti-blocking type crystallization evaporator |
| CN115385407B (en) * | 2022-07-20 | 2024-01-12 | 中科嘉辞(昆山)环保科技有限公司 | Industrial wastewater zero-emission clear liquid anti-blocking crystallization evaporator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180504 |