CN103316493B - Evaporator for concentrating and desolventizing high-viscosity material - Google Patents
Evaporator for concentrating and desolventizing high-viscosity material Download PDFInfo
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- CN103316493B CN103316493B CN201310289624.5A CN201310289624A CN103316493B CN 103316493 B CN103316493 B CN 103316493B CN 201310289624 A CN201310289624 A CN 201310289624A CN 103316493 B CN103316493 B CN 103316493B
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- cloth
- low head
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 239000011552 falling film Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 46
- 230000008020 evaporation Effects 0.000 claims description 22
- 238000001556 precipitation Methods 0.000 claims description 19
- 241000237509 Patinopecten sp. Species 0.000 claims description 13
- 235000020637 scallop Nutrition 0.000 claims description 13
- 239000012141 concentrate Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000010408 film Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to an evaporator for concentrating and desolventizing a high-viscosity material. A distributing device is arranged on the top of an evaporator barrel, and comprises an upper head, a feeding pipe, a branched oil pipe, an upper pipe sheet, a middle pipe sheet and a distributor; the distributing device is used for uniformly distributing the material in a falling film evaporating device, the falling film evaporating device is arranged in the evaporator barrel, and comprises a plurality of vertically arranged heat exchange pipes, and the material is uniformly distributed on the outer wall of the heat exchange pipes through the distributing device to form a falling film; a heating medium flow in the heat exchange pipes to perform heat exchange with the material so as to finish the concentration and desolvention of the material through the falling film; a stirring discharge device is mounted at the bottom of the evaporator barrel, and comprises a stirring conveying assembly and a lower head, and the concentrated and desolventized material can be discharged from a discharge port of the lower head through the stirring conveying assembly. The evaporator provided by the invention is smart in structure, reasonable in design, capable of shortening the concentrating and desolventizing time of the high-viscosity material, less in occupied area, and low in manufacturing and operation cost.
Description
Technical field
The present invention relates to a kind of evaporimeter, specifically a kind of high viscosity material concentrates precipitation evaporimeter, belongs to chemical mechanical equipment technical field.
Background technology
The concentrated precipitation great majority of the high viscosity material used in chemical industry are through the technical process of scraping wall type evaporation to operate realization.Before the present invention proposes, the links operation of scraping wall type evaporation technology process is single, equipment use site area is large, process pipelines uses many, instrument to control complicated, and thus etc. reason causes equipment investment greatly, and brings larger difficulty to equipment control.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of high viscosity material is provided to concentrate precipitation evaporimeter, its structure is ingenious, reasonable in design, high viscosity material can not only be shortened and concentrate the Precipitation Reaction time, and owing to have employed vertical structure, floor space is little, effectively reduce manufacture and operating cost.
According to technical scheme provided by the invention: high viscosity material concentrates precipitation evaporimeter, comprise evaporator tube, distribution device, falling film evaporation device and stirring blanking device, it is characterized in that: described distribution device is arranged on evaporator tube top, distribution device comprises upper cover, feed pipe, oil distributing pipe, upper perforated plate, middle tube sheet and cloth distributor, described upper cover is arranged on evaporator tube top, upper cover top is provided with charging aperture, be provided with feed pipe in charging aperture, described feed pipe lower end is connected with some oil distributing pipes; Described upper perforated plate, middle tube sheet and cloth distributor are from up to down weldingly fixed in upper cover successively, and described oil distributing pipe is downwards successively through upper perforated plate and middle tube sheet, and pass in the space above cloth distributor, oil distributing pipe is for delivering to cloth distributor by material; Described cloth distributor is a plate body, which is provided with several cloth holes, and cloth distributor is used for material evenly to prepare burden in falling film evaporation device; Described falling film evaporation device is arranged in evaporator tube, falling film evaporation device comprises the some heat exchanger tubes vertically arranged, every root heat exchanger tube correspondence is inserted in the cloth hole on cloth distributor, gap is left between heat exchanger tube outer wall and cloth hole inwall, described material on heat exchanger tube outer wall, forms falling liquid film by this gap uniformity batching; Thermal medium, at heat exchange Bottomhole pressure, carries out heat exchange with material, makes material complete concentrated precipitation by falling film evaporation; Described stirring blanking device is arranged on bottom evaporator tube, stir blanking device and comprise stirring conveying assembly and low head, described low head is arranged on evaporator tube bottom, discharging opening is provided with bottom low head, described discharging opening is used for and next stage equipment connection, described stirring conveying assembly is arranged in low head, and the material after concentrated precipitation is discharged from the discharging opening of low head by stirring conveying assembly.
As a further improvement on the present invention, the cloth hole on described cloth distributor is circular hole.
As a further improvement on the present invention, the cloth hole on described cloth distributor is circular cone scallop, and described circular cone scallop upper end open is large, lower ending opening is little, and circular cone scallop inwall is provided with several oblique cone teeth be uniformly distributed circumferentially.
As a further improvement on the present invention, the cone mouth angle of described circular cone scallop is 60 ~ 65 degree, and oblique cone tooth depth is 5mm.
As a further improvement on the present invention, described heat exchanger tube is sleeve-type heat exchanging pipe, it comprises heat exchange outer tube and heat exchange inner tube, described heat exchange inner tube upper end open is connected with the seal cavity between upper perforated plate and upper cover, heat exchange inner tube lower ending opening is communicated with heat exchange outer tube, described heat exchange outer tube upper end open is connected with the seal cavity between upper perforated plate and middle tube sheet, and thermal medium enters from heat exchange inner tube upper end open, flows out from heat exchange outer tube upper end open.
As a further improvement on the present invention, described heat exchange outer tube is the reducer pipe that upper semisection is thick, lower semisection is thin, and upper semisection is connected by reducer with lower semisection.
As a further improvement on the present invention, the diameter of described heat exchange outer tube upper semisection is 57mm, and the diameter of lower semisection is 32mm.
As a further improvement on the present invention, described evaporator tube is outside equipped with heating and thermal insulation chuck, and evaporator tube top is provided with the Small molecular discharge line inside and outside a connection evaporator tube.
As a further improvement on the present invention, described stirring conveying assembly comprises gate stirrer, spiral transmits blade and rotating shaft, described gate stirrer is fixedly mounted on low head inwall, and on rotating shaft, end bearing is arranged on gate stirrer, and spiral transmits blades installation on the rotary shaft.
As a further improvement on the present invention, described low head is taper, and the cone angle of low head is 90 degree, and low head is outside equipped with insulation jacket.
compared with prior art, advantage is in the present invention:structure of the present invention is ingenious, reasonable in design, breach the technical barrier of high viscosity material cloth difficulty, difficult, the easy caking of evaporation and concentration, difficulty of transportation, high viscosity material can not only be shortened and concentrate the Precipitation Reaction time, and owing to have employed vertical structure, floor space is little, effectively reduces manufacture and operating cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the A portion enlarged diagram in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural representation of Fig. 1 heat exchanger tube.
Description of reference numerals: 1-material distribution device, 2-material falling film evaporation device, 3-material stirring blanking device, 4-upper cover, 5-feed pipe, 6-oil distributing pipe, 7-upper perforated plate, 8-middle tube sheet, 9-cloth distributor, 9a-cloth hole, 10-evaporator tube, 11-heating and thermal insulation chuck, 12-heat exchanger tube, 12a-heat exchange outer tube, 12a.1-upper semisection, 12a.2-reducer, 12a.3-lower semisection, 12b-heat exchange Inner manages, 13-Small molecular discharge line, 14-gate stirrer, 15-spiral transmits blade, 16-rotating shaft, 17-insulation jacket, 18-low head.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the high viscosity material in embodiment concentrates precipitation evaporimeter and forms primarily of evaporator tube 10, distribution device 1, falling film evaporation device 2 and stirring blanking device 3.
As shown in Fig. 1 ~ Fig. 4, described distribution device 1 is arranged on evaporator tube 10 top, distribution device 1 forms primarily of upper cover 4, feed pipe 5, oil distributing pipe 6, upper perforated plate 7, middle tube sheet 8 and cloth distributor 9, described upper cover 4 is arranged on evaporator tube 10 top, upper cover 4 top is provided with charging aperture, be provided with feed pipe 5 in charging aperture, described feed pipe 5 lower end is connected with some oil distributing pipes 6; Described upper perforated plate 7, middle tube sheet 8 and cloth distributor 9 are from up to down weldingly fixed in upper cover 4 successively, described oil distributing pipe 6 is downwards successively through upper perforated plate 7 and middle tube sheet 8, pass in the space above cloth distributor 9, oil distributing pipe 6 is for delivering to cloth distributor 9 by material; Described cloth distributor 9 is a plate body, and which is provided with several cloth holes 9a, cloth distributor 9 is for evenly preparing burden material in falling film evaporation device 2.
As shown in Fig. 1 ~ Fig. 4, described falling film evaporation device 2 is arranged in evaporator tube 10, falling film evaporation device 2 comprises the some heat exchanger tubes 12 vertically arranged, every root heat exchanger tube 12 correspondence is inserted in the cloth hole 9a on cloth distributor 9, gap is left between heat exchanger tube 12 outer wall and cloth hole 9a inwall, described material on heat exchanger tube 12 outer wall, forms falling liquid film by this gap uniformity batching; Thermal medium flows in heat exchanger tube 12, carries out heat exchange with material, makes material complete concentrated precipitation by falling film evaporation.
In the present invention, the cloth hole 9a on described cloth distributor 9 is circular hole or circular cone scallop.During cloth distributor 9 cloth, because the viscosity of material is high, if cloth hole 9a is circular hole, then not easily form film, so cloth hole 9a is preferably designed to circular cone scallop by the present invention, described circular cone scallop upper end open is large, lower ending opening is little, and circular cone scallop inwall is provided with several oblique cone teeth be uniformly distributed circumferentially.Like this by certain tapering and the dependence deadweight of material and the pressure of material inlet, express material can be become film-form to flow down along heat exchanger tube 12 outer wall.Found by test, the cone mouth angle [alpha] of described circular cone scallop is 60 ~ 65 degree, and when oblique cone tooth depth d is 5mm, material is more easily squeezed into film, can not condense into block and cause cloth distributor 9 to block.
In the embodiment of the present invention, described heat exchanger tube 12 is sleeve-type heat exchanging pipe 12, it is primarily of heat exchange outer tube 12a and heat exchange inner tube 12b composition, described heat exchange inner tube 12b upper end open is connected with the seal cavity between upper perforated plate 7 and upper cover 4, heat exchange inner tube 12b lower ending opening is communicated with heat exchange outer tube 12a, described heat exchange outer tube 12a upper end open is connected with the seal cavity between upper perforated plate 7 and middle tube sheet 8, first thermal medium injects in the seal cavity between upper perforated plate 7 and upper cover 4, enter from heat exchange inner tube 12b upper end open, from up to down flow in heat exchange inner tube 12b, then flow out from heat exchange inner tube 12b lower ending opening, and enter bottom-up flowing in the gap between heat exchange inner tube 12b and heat exchange outer tube 12a, finally flow out to the seal cavity between upper perforated plate 7 and middle tube sheet 8 from heat exchange outer tube 12a upper end open and discharge, heat exchange is realized in this flow process.Sleeve-type heat exchanging pipe 12 can make thermal medium conduct heat evenly, and material precipitation is abundant.
In the embodiment of the present invention, described heat exchange outer tube 12a is preferably set to the reducer pipe that upper semisection 12a.1 is thick, lower semisection 12a.3 is thin, upper semisection 12a.1 is connected by reducer 12a.2 with lower semisection 12a.3, the diameter of heat exchange outer tube 12a upper semisection 12a.1 is 57mm, and the diameter of lower semisection 12a.3 is 32mm.Material film flows through diameter when being the heat exchange outer tube 12a upper semisection 12a.1 outer wall of 57mm, and now thermal medium temperature is relatively low, tentatively by excessive water and the evaporation of volatile medium.Material small molecular amount medium, then through reducing, when to flow through diameter be the heat exchange outer tube 12a lower semisection 12a.3 outer wall of 32mm, because now thermal medium temperature is relatively high, can evaporate, thus obtain highly purified concentrate by material film further.Evaporator tube 10 top is provided with the Small molecular discharge line 13 inside and outside a connection evaporator tube 10, in heat exchanger tube 12 thermal medium heat transfer under, the small-molecular-weight in material, low boiling point working medium volatilization remove, discharge from Small molecular discharge line 13.
As shown in Figure 1, described evaporator tube 10 is outside equipped with heating and thermal insulation chuck 11, is conducive to the evaporating temperature that equipment maintains setting.In addition, evenly flow down along heat exchanger tube 12 wall smoothly to make material film, heat exchanger tube 12 is needed to carry out finishing polish, what adopt in this equipment is machine glazed finish to 0.1 μm, again through the further polishing of electrolysis, to meet the requirement that this equipment concentrates for the material falling film evaporation that intrinsic viscosity coefficient is greater than 1.0dl/g.
As shown in Figure 1, described stirring blanking device 3 is arranged on bottom evaporator tube 10, stir blanking device 3 to form primarily of stirring conveying assembly and low head 18, described low head 18 is arranged on evaporator tube 10 bottom, discharging opening is provided with bottom low head 18, described discharging opening is used for and next stage equipment connection, and described stirring conveying assembly is arranged in low head 18, and the material after concentrated precipitation is discharged from the discharging opening of low head 18 by stirring conveying assembly.In the embodiment of the present invention, described stirring conveying assembly forms primarily of gate stirrer 14, spiral transmission blade 15 and rotating shaft 16, described gate stirrer 14 is fixedly mounted on low head 18 inwall, the effect of gate stirrer 14 is that material prevented from caking is solidified, on rotating shaft 16, end bearing is arranged on gate stirrer 14, spiral transmits blade 15 and is arranged on rotating shaft 16, and spiral transmits blade 15 and stirs express material to go out, and makes material enter next stage production equipment.
As shown in Figure 1, described low head 18 is taper, and the cone angle of low head 18 is 90 degree, can facilitate the gathering of material like this; Described low head 18 is outside equipped with insulation jacket 17, prevents material from condensing into block by insulation.
Evaporimeter of the present invention combines falling film evaporation and stirs the operating process such as blanking, this evaporimeter is used to overcome the uneven problem making material precipitation insufficient of thermal medium heat transfer in the past, the Small molecular product that polycondensation is produced easily removes, and molecular weight can improve in a big way.
Claims (3)
1. high viscosity material concentrates precipitation evaporimeter, comprise evaporator tube (10), distribution device (1) and falling film evaporation device (2), described distribution device (1) is arranged on evaporator tube (10) top, distribution device (1) comprises upper cover (4), feed pipe (5), oil distributing pipe (6), upper perforated plate (7), middle tube sheet (8) and cloth distributor (9), described upper cover (4) is arranged on evaporator tube (10) top, upper cover (4) top is provided with charging aperture, feed pipe (5) is installed in charging aperture, described feed pipe (5) lower end is connected with some oil distributing pipes (6), described cloth distributor (9) is a plate body, which is provided with several cloth holes (9a), and cloth distributor (9) is for evenly preparing burden in falling film evaporation device (2) by material, described falling film evaporation device (2) is arranged in evaporator tube (10), falling film evaporation device (2) comprises the some heat exchanger tubes (12) vertically arranged, every root heat exchanger tube (12) correspondence is inserted in the cloth hole (9a) on cloth distributor (9), gap is left between heat exchanger tube (12) outer wall and cloth hole (9a) inwall, described material on heat exchanger tube (12) outer wall, forms falling liquid film by this gap uniformity batching, thermal medium flows in heat exchanger tube (12), carries out heat exchange with material, makes material complete concentrated precipitation by falling film evaporation,
Cloth hole (9a) on described cloth distributor (9) is circular cone scallop, and described circular cone scallop upper end open is large, lower ending opening is little, and circular cone scallop inwall is provided with several oblique cone teeth be uniformly distributed circumferentially;
It is characterized in that: described upper perforated plate (7), middle tube sheet (8) and cloth distributor (9) are from up to down weldingly fixed in upper cover (4) successively, described oil distributing pipe (6) is downwards successively through upper perforated plate (7) and middle tube sheet (8), pass in the space of cloth distributor (9) top, oil distributing pipe (6) is for delivering to cloth distributor (9) by material;
Also comprise and stir blanking device (3), described stirring blanking device (3) is arranged on evaporator tube (10) bottom, stir blanking device (3) and comprise stirring conveying assembly and low head (18), described low head (18) is arranged on evaporator tube (10) bottom, low head (18) bottom is provided with discharging opening, described discharging opening is used for and next stage equipment connection, described stirring conveying assembly is arranged in low head (18), and the material after concentrated precipitation is discharged from the discharging opening of low head (18) by stirring conveying assembly;
Described heat exchanger tube (12) is sleeve-type heat exchanging pipe (12), it comprises heat exchange outer tube (12a) and heat exchange inner tube (12b), described heat exchange inner tube (12b) upper end open is connected with the seal cavity between upper perforated plate (7) and upper cover (4), heat exchange inner tube (12b) lower ending opening is communicated with heat exchange outer tube (12a), described heat exchange outer tube (12a) upper end open is connected with the seal cavity between upper perforated plate (7) and middle tube sheet (8), thermal medium enters from heat exchange inner tube (12b) upper end open, flows out from heat exchange outer tube (12a) upper end open;
Described evaporator tube (10) is outside equipped with heating and thermal insulation chuck (11), and evaporator tube (10) top is provided with the Small molecular discharge line (13) inside and outside a connection evaporator tube (10);
Described stirring conveying assembly comprises gate stirrer (14), spiral transmits blade (15) and rotating shaft (16), described gate stirrer (14) is fixedly mounted on low head (18) inwall, the upper end bearing of rotating shaft (16) is arranged on gate stirrer (14), and spiral transmits blade (15) and is arranged on rotating shaft (16);
Described heat exchange outer tube (12a) is the reducer pipe that upper semisection (12a.1) is thick, lower semisection (12a.3) is thin, and upper semisection (12a.1) is connected by reducer (12a.2) with lower semisection (12a.3);
Described low head (18) is taper, and the cone angle of low head (18) is 90 degree, and low head (18) is outside equipped with insulation jacket (17).
2. high viscosity material as claimed in claim 1 concentrates precipitation evaporimeter, and it is characterized in that: the diameter of described heat exchange outer tube (12a) upper semisection (12a.1) is 57mm, the diameter of lower semisection (12a.3) is 32mm.
3. high viscosity material as claimed in claim 1 concentrates precipitation evaporimeter, it is characterized in that: the cone mouth angle (α) of described circular cone scallop is 60 ~ 65 degree, and oblique cone tooth depth (d) is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289624.5A CN103316493B (en) | 2013-07-10 | 2013-07-10 | Evaporator for concentrating and desolventizing high-viscosity material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289624.5A CN103316493B (en) | 2013-07-10 | 2013-07-10 | Evaporator for concentrating and desolventizing high-viscosity material |
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| Publication Number | Publication Date |
|---|---|
| CN103316493A CN103316493A (en) | 2013-09-25 |
| CN103316493B true CN103316493B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310289624.5A Active CN103316493B (en) | 2013-07-10 | 2013-07-10 | Evaporator for concentrating and desolventizing high-viscosity material |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194890B (en) * | 2015-10-09 | 2017-09-26 | 新疆丝凯食品研发中心（有限公司） | A kind of desolventizing equipment of extract concentrated solution |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201291074Y (en) * | 2008-11-10 | 2009-08-19 | 昆明克林轻工机械有限责任公司 | Liquid material distributor |
| CN201410374Y (en) * | 2009-06-03 | 2010-02-24 | 胡孝荣 | Frame planetary helical ribbon stirred tank |
| CN201855580U (en) * | 2010-08-27 | 2011-06-08 | 南通京通石墨设备有限公司 | Tube type graphite falling film evaporation heater |
| CN201880383U (en) * | 2010-11-05 | 2011-06-29 | 山东省临沂市三丰化工有限公司 | Shell-and-tube falling-film evaporator |
| CN203389347U (en) * | 2013-07-10 | 2014-01-15 | 无锡力马化工机械有限公司 | Evaporator for concentrating and desolventizing of high-viscosity materials |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2593200A2 (en) * | 2010-07-21 | 2013-05-22 | Aquaback Technologies Inc. | Distiller |
-
2013
- 2013-07-10 CN CN201310289624.5A patent/CN103316493B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201291074Y (en) * | 2008-11-10 | 2009-08-19 | 昆明克林轻工机械有限责任公司 | Liquid material distributor |
| CN201410374Y (en) * | 2009-06-03 | 2010-02-24 | 胡孝荣 | Frame planetary helical ribbon stirred tank |
| CN201855580U (en) * | 2010-08-27 | 2011-06-08 | 南通京通石墨设备有限公司 | Tube type graphite falling film evaporation heater |
| CN201880383U (en) * | 2010-11-05 | 2011-06-29 | 山东省临沂市三丰化工有限公司 | Shell-and-tube falling-film evaporator |
| CN203389347U (en) * | 2013-07-10 | 2014-01-15 | 无锡力马化工机械有限公司 | Evaporator for concentrating and desolventizing of high-viscosity materials |
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| CN103316493A (en) | 2013-09-25 |
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Effective date of registration: 20160918 Address after: 313026 Nanxun District, Zhejiang City, Huzhou province and Fu Fu Industrial Park Patentee after: ZHEJIANG UNIFULL INDUSTRIAL FIBRE Co.,Ltd. Address before: 214171 Jiangsu Province, Wuxi city Huishan District of Huishan Economic Development Zone Gold Road No. 558 Patentee before: Wuxi Lima Chemical Machinery Co.,Ltd. |
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