CN203861939U - Scraper type film evaporator - Google Patents
Scraper type film evaporator Download PDFInfo
- Publication number
- CN203861939U CN203861939U CN201420218356.8U CN201420218356U CN203861939U CN 203861939 U CN203861939 U CN 203861939U CN 201420218356 U CN201420218356 U CN 201420218356U CN 203861939 U CN203861939 U CN 203861939U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- rotating shaft
- evaporator body
- evaporative cylinder
- distributing 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 abstract description 14
- 230000008020 evaporation Effects 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract 3
- 238000003754 machining Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a scraper type film evaporator, which includes a motor, an evaporator body and a rotating shaft, wherein the motor is arranged outside the evaporator body; the rotating shaft is arranged along the vertical axial line of the evaporator body; the evaporator body includes a separation cylinder, an evaporation cylinder and a bottom head that are sequentially arranged from top to bottom; a plurality of scrapers are arranged on the periphery of the inner wall of the evaporation cylinder, and are connected with the rotating shaft through a rotor; the rotor and the rotating shaft are driven by the motor respectively; a distributing device is arranged inside the separation cylinder; a gas-liquid separator is arranged above the distributing device; a secondary evaporation outlet is formed in the upper part of the gas-liquid separator, corresponding to the separation cylinder. According to the utility model, the inner wall of the evaporation cylinder is machined and polished by a special lathe, and the flange joint faces at the two ends are formed by one-time machining, so that the central angle of the equipment is guaranteed; the polished inner wall of the evaporated is smooth and bright, and is less prone to sticking and scaling, thereby effectively guaranteeing the high heat transfer coefficient of the equipment.
Description
Technical field
The utility model relates to a kind of chemical mechanical equipment, especially relates to a kind of scraper film evaporator.
Background technology
Rotary scraper type thin film evaporator, is a kind ofly by rotor segment, to force film forming, can under vacuum condition, carry out the new and effective evaporimeter of falling film evaporation.Its heat transfer coefficient is large, evaporation intensity is high, the overcurrent time is short, operating flexibility is large, and especially suitable heat sensitive material, high-viscosity material and easy crystallization are containing evaporation and concentration, degassed precipitation, the distilation of granule materials.Therefore, in industries such as chemical industry, petrochemical industry, medicine, agricultural chemicals, daily use chemicals, food, fine chemistry industries, obtain extensive use.
In prior art, on the one hand, common evaporimeter heat transfer coefficient is little, and evaporation intensity is not high, does not reach desirable process efficiency and technological requirement; On the other hand, the applicable material viscosity of common evaporimeter is limited in scope, and surface is difficult for producing coking, fouling.
Utility model content
The deficiency existing in order to overcome conventional art, the utility model provides the scraper film evaporator that a kind of heat transfer coefficient is larger, evaporation intensity is higher, the overcurrent time is shorter, operating flexibility is larger.
A kind of scraper film evaporator, comprise motor, evaporator body and rotating shaft, described motor is arranged on evaporator body outside, rotating shaft arranges along evaporator body longitudinal axis center line, described evaporator body comprises cylinder, evaporative cylinder and the bottom (head) from top to bottom arranging in turn, described evaporative cylinder inwall surrounding is provided with some scraper plates, and described scraper plate is connected with rotating shaft by rotor, and described rotor, rotating shaft are driven by motor respectively; In described cylinder, be provided with distributing device, described distributing device top is provided with gas-liquid separator, the indirect steam that is provided with of the corresponding cylinder of gas-liquid separator exports, the corresponding cylinder of described distributing device both sides are respectively equipped with the first charging aperture, the second charging aperture, on described evaporative cylinder, be at least provided with a vapour inlet, described bottom (head) bottom is provided with conical discharge port.
Preferably, described distributing device is arranged in rotating shaft.Reasonably design, makes to enter from tangential direction the material of evaporimeter, by the distributing device of rotation, by continuous uniform be film and be distributed on evaporative cylinder inwall.
Preferably, described evaporative cylinder comprises evaporative cylinder and lower evaporative cylinder, and the upper end of described upper evaporative cylinder is provided with the first steam inlet, and the upper end of lower evaporative cylinder is provided with the second steam inlet.
Preferably, the bottom of described upper evaporative cylinder is provided with the first water inlet, and the bottom of lower evaporative cylinder is provided with the second water inlet.
Preferably, described motor is arranged on cylinder top.
Preferably, described evaporator body diameter is 300～500mm.Evaporator body diameter is unsuitable excessive, high to reach heat transfer coefficient, the objects such as efficiency height.
The utility model evaporative cylinder inwall is processed and polishing through special purpose machine tool, and with two ends flange connection surface time processing just, guarantees Whole Equipment center of circle degree.Evaporative cylinder inner wall smooth through polishing is clean bright, is difficult for sizing and fouling, has effectively guaranteed the high heat transfer coefficient of equipment.
Material tangentially enters evaporator body by the charging aperture that is located at cylinder bottom, and the distributing device in being arranged on cylinder by continuous uniform be distributed in evaporative cylinder inwall, the indirect steam evaporating from evaporative cylinder rises to cylinder, gas-liquid separator in being arranged on, the drop that indirect steam may be carried under one's arms or foam are separated, and indirect steam is drawn evaporator body from the indirect steam outlet of separator upper end.
The utility model scraper plate can not only carry out lateral circumferential motion under rotating shaft drives, and can under rotor drives, carry out longitudinal circular motion, thereby makes feed liquid can well form even liquid film, reaches the effect of good thin film evaporation; The utlity model has the features such as heat transfer coefficient is large, evaporation intensity is high, the overcurrent time is short, operating flexibility is large; The especially suitable heat sensitive material of the utility model, high-viscosity material and easy crystallization are containing evaporation and concentration, degassed precipitation, the distilation of granule materials.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model top view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, Fig. 2, a kind of scraper film evaporator, comprise motor 1, evaporator body and rotating shaft 2, described motor 1 is arranged on evaporator body outside, and rotating shaft 2 arranges along evaporator body longitudinal axis center line, described evaporator body comprises cylinder 3, evaporative cylinder and the bottom (head) 4 from top to bottom arranging in turn, described evaporative cylinder comprises evaporative cylinder 5 and lower evaporative cylinder 6, and a side upper end of described upper evaporative cylinder 5 is provided with the first steam inlet 7, and the bottom of opposite side is provided with the first water inlet 8; One side upper end of lower evaporative cylinder is provided with the second steam inlet 9, and the bottom of opposite side is provided with the second water inlet 10.Described motor 1 is arranged on cylinder 3 tops.
Described evaporative cylinder inwall surrounding is provided with some scraper plates 11, and described scraper plate 11 is connected with rotating shaft 2 by rotor 12, and described rotor 12, rotating shaft 2 are driven by motor 1 respectively; In described cylinder 3, be provided with distributing device 13, described distributing device 13 is arranged in rotating shaft 2.Reasonably design, makes to enter from tangential direction the material of evaporimeter, by the distributing device of rotation, by continuous uniform be film and be distributed on evaporative cylinder inwall.Described distributing device 13 tops are provided with gas-liquid separator 14, the corresponding cylinder 3 of gas-liquid separator 14 is provided with indirect steam outlet 15, the corresponding cylinder of described distributing device 13 3 both sides are respectively equipped with the first charging aperture 16, the second charging aperture 17, and described bottom (head) 4 bottoms are provided with conical discharge port 18.
Described evaporator body diameter is 300～500mm.Evaporator body diameter is unsuitable excessive, high to reach heat transfer coefficient, the objects such as efficiency height.
Material tangentially enters evaporator body by the first charging aperture 16, the second charging aperture 17 that are located at cylinder 3 bottoms, and the distributing device in being arranged on cylinder 3 13 by continuous uniform be distributed in evaporative cylinder inwall, then, scraper plate 11 by material continuous uniform on evaporative cylinder inwall, spread to the uniform liquid film of thickness, and advance downwards with helical form; In this process, the scraper plate of the rotation that can longitudinally move in a circle under rotor drives guarantees that continuous and uniform liquid film produces high velocity turbulent flow, and stop liquid film in heating surface coking, fouling, thereby improve, pass overall coefficient, light component is formed by evaporation to indirect steam stream and rises to cylinder, gas-liquid separator 14 in being arranged on cylinder, the drop that indirect steam may be carried under one's arms or foam are separated, and indirect steam is drawn evaporator body from the indirect steam outlet 15 of cylinder 3 upper ends; Heavy component is discharged from the conical discharge port 18 of evaporator body bottom.
Claims (6)
1. a scraper film evaporator, comprise motor, evaporator body and rotating shaft, described motor is arranged on evaporator body outside, rotating shaft arranges along evaporator body longitudinal axis center line, described evaporator body comprises cylinder, evaporative cylinder and the bottom (head) from top to bottom arranging in turn, it is characterized in that: described evaporative cylinder inwall surrounding is provided with some scraper plates, and described scraper plate is connected with rotating shaft by rotor, and described rotor, rotating shaft are driven by motor respectively; In described cylinder, be provided with distributing device, described distributing device top is provided with gas-liquid separator, the indirect steam that is provided with of the corresponding cylinder of gas-liquid separator exports, the corresponding cylinder of described distributing device both sides are respectively equipped with the first charging aperture, the second charging aperture, on described evaporative cylinder, be at least provided with a vapour inlet, described bottom (head) bottom is provided with conical discharge port.
2. scraper film evaporator according to claim 1, is characterized in that: described distributing device is arranged in rotating shaft.
3. scraper film evaporator according to claim 1, is characterized in that: described evaporative cylinder comprises evaporative cylinder and lower evaporative cylinder, and the upper end of described upper evaporative cylinder is provided with the first steam inlet, and the upper end of lower evaporative cylinder is provided with the second steam inlet.
4. scraper film evaporator according to claim 3, is characterized in that: the bottom of described upper evaporative cylinder is provided with the first water inlet, and the bottom of lower evaporative cylinder is provided with the second water inlet.
5. scraper film evaporator according to claim 1, is characterized in that: described motor is arranged on cylinder top.
6. scraper film evaporator according to claim 1, is characterized in that: described evaporator body diameter is 300～500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218356.8U CN203861939U (en) | 2014-04-30 | 2014-04-30 | Scraper type film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218356.8U CN203861939U (en) | 2014-04-30 | 2014-04-30 | Scraper type film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203861939U true CN203861939U (en) | 2014-10-08 |
Family
ID=51642930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420218356.8U Expired - Lifetime CN203861939U (en) | 2014-04-30 | 2014-04-30 | Scraper type film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203861939U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402730A (en) * | 2014-12-12 | 2015-03-11 | 山东凯盛新材料有限公司 | Method and equipment for preparing paranitrobenzoyl chloride |
| CN105879415A (en) * | 2014-12-23 | 2016-08-24 | 江南大学 | Method for manufacturing thin-layer multi-turn-surface evaporator |
| CN106110696A (en) * | 2016-08-04 | 2016-11-16 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | The multifunctional evaporating equipment separated for thick product in oxo process class commercial plant |
| WO2020228553A1 (en) * | 2019-05-12 | 2020-11-19 | 江苏嘉泰蒸发设备股份有限公司 | Integrated evaporation and crystallization device |
-
2014
- 2014-04-30 CN CN201420218356.8U patent/CN203861939U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402730A (en) * | 2014-12-12 | 2015-03-11 | 山东凯盛新材料有限公司 | Method and equipment for preparing paranitrobenzoyl chloride |
| CN105879415A (en) * | 2014-12-23 | 2016-08-24 | 江南大学 | Method for manufacturing thin-layer multi-turn-surface evaporator |
| CN106110696A (en) * | 2016-08-04 | 2016-11-16 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | The multifunctional evaporating equipment separated for thick product in oxo process class commercial plant |
| CN106110696B (en) * | 2016-08-04 | 2018-10-16 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Multifunctional evaporating equipment in carbonylation synthesis class commercial plant for crude product separation |
| WO2020228553A1 (en) * | 2019-05-12 | 2020-11-19 | 江苏嘉泰蒸发设备股份有限公司 | Integrated evaporation and crystallization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |