CN205199000U - Pipe type falling -film evaporator - Google Patents
Pipe type falling -film evaporator Download PDFInfo
- Publication number
- CN205199000U CN205199000U CN201520976139.XU CN201520976139U CN205199000U CN 205199000 U CN205199000 U CN 205199000U CN 201520976139 U CN201520976139 U CN 201520976139U CN 205199000 U CN205199000 U CN 205199000U
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- CN
- China
- Prior art keywords
- distributing disc
- distributing
- perforated plate
- liquid
- vaporization chamber
- 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 - Fee Related
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Abstract
The utility model discloses a pipe type falling -film evaporator, including the evaporating chamber, going up tube sheet, heating pipe, closing cap, inlet pipe and cloth liquid structure, wherein the evaporating chamber is cylindric, inside upward the evaporating chamber is located to the tube sheet, goes up the tube sheet and is connected with evaporating chamber inner wall leakproofness all around, the heating pipe is located on the tube sheet and its top protrusion in last tube sheet upper surface, and a section of being higher than the tube sheet of heating pipe is equipped with liquid separation hole, the evaporating chamber upper end is located to the closing cap, and the closing cap top is located to the inlet pipe, tube sheet top is located to cloth liquid structure, and including first distribution dish, second distribution dish, overflow tray and overflow platform, and overflow tray is equipped with overflow baffle all around, and the overflow tray center is equipped with the spout hole, the radius of overflow tray, second distribution dish and first distribution dish in proper order from small to large, the first cloth liquid hole of first distribution dish is crisscross set up with the heating pipe in the vertical direction with the second cloth liquid hole of second distribution dish, second cloth liquid hole. The utility model discloses simple structure, the processing cost is low, and cloth liquid homogeneity is good, and it is convenient to dismantle.
Description
Technical field
The utility model relates to chemical separating apparatus field, especially a kind of tube-type down-flow evaporator.
Background technology
Falling film evaporator is widely used in the industries such as medicine, food, chemical industry, light industry and concentrates about the single-action of water or organic solvent solution or multiple-effect evaporation, is particularly useful for the evaporation of heat sensitive material.Wherein determine that the key technology of falling film evaporator efficiency is the cloth liquid efficiency of the cloth liquid structure of falling film evaporator, material can be distributed among each heating tube by efficient cloth liquid structure uniformly, and flows downward in heating tube inwall film-like.The cloth liquid structure of tradition falling film evaporator be broadly divided into overflow type and plug-in type (flow guiding type), wherein overflow type structure is simple, but distributed effect not easily ensures, is applicable to the occasion that Spreading requirements is not high; Plug-in type generally can ensure that liquid cloth liquid in single tube is even, but not easily ensures that uniform liquid is assigned on all heating tubes, and flow resistance is large, easily blocks, and processes, installation requirement is high.
Utility model content
For the problems referred to above of the prior art, the utility model proposes a kind of tube-type down-flow evaporator.
The technical solution of the utility model is: a kind of tube-type down-flow evaporator, comprise vaporization chamber, upper perforated plate, heating tube, capping, feed pipe and cloth liquid structure, wherein: described vaporization chamber entirety is cylindric, described upper perforated plate is located at the inside of vaporization chamber, and the surrounding of described upper perforated plate is connected with the inner wall sealing of vaporization chamber;
Described heating tube is vertically located at the upper surface that on upper perforated plate and the top of heating tube protrudes from upper perforated plate, and the sidewall of a section higher than upper perforated plate of described heating tube is provided with a point fluid apertures;
Described capping is connected to the upper end of vaporization chamber by flange arrangement, and the top of capping is located at by described feed pipe;
Described cloth liquid structure comprises the first distributing disc be located at above upper perforated plate, the second distributing disc above the first distributing disc is located at by the first pillar, the seal cup above the second distributing disc is located at by the second pillar, be located at the overflow platform at the second distributing disc upper surface center, described first distributing disc is provided with some first liquid distributing holes, described second distributing disc is provided with some second liquid distributing holes, the surrounding of described seal cup is provided with overflow baffle, the center of described seal cup is provided with spout hole, described seal cup, the radius of the second distributing disc and the first distributing disc successively from small to large, described first liquid distributing hole and the second liquid distributing hole, described second liquid distributing hole and heating tube are in vertical direction and are crisscross arranged.
Further, the inwall of described vaporization chamber is provided with ring-shaped step, and described first distributing disc is located on ring-shaped step.
Further, the surrounding of described first distributing disc is provided with back-up ring.
Further, described point of fluid apertures is divided into some layers, and a described adjacent two layers point fluid apertures is crisscross arranged in the vertical direction.
Compared with prior art, the beneficial effects of the utility model are: cloth liquid structure of the present utility model is simple, processing cost is low, disassembly, cleaning are convenient; After feed liquid enters from feed pipe, successively by seal cup, the second distributing disc and the first distributing disc achieve even cloth liquid, improve cloth liquid efficiency, and not easily block, there is good market popularization value.Meanwhile, point fluid apertures be crisscross arranged by layering, feed liquid falling liquid film in heating tube is more even, improves the efficiency of heating surface.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the apex structure schematic diagram of heating tube described in the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical scheme in the utility model is further illustrated.
As shown in Figure 1, the utility model comprises vaporization chamber 1, upper perforated plate 2, heating tube 3, capping 4, feed pipe 5 and cloth liquid structure 6, wherein: described vaporization chamber 1 entirety is cylindric, described upper perforated plate 2 is located at the inside of vaporization chamber 1, and the surrounding of described upper perforated plate 2 is connected with the inner wall sealing of vaporization chamber 1, the inwall of described vaporization chamber 1 is provided with ring-shaped step 11;
As shown in Figure 2, described heating tube 3 is vertically located at the upper surface that on the upper perforated plate 2 and top of heating tube 3 protrudes from upper perforated plate 2, and the sidewall of a section higher than upper perforated plate of described heating tube 3 is provided with point fluid apertures 31, described point of fluid apertures 31 is divided into some layers, and described adjacent two layers point fluid apertures 31 is crisscross arranged in the vertical direction;
Described capping 4 is connected to the upper end of vaporization chamber 1 by flange arrangement 7, the top of capping 4 is located at by described feed pipe 5;
Described cloth liquid structure 6 comprises to be located on ring-shaped step 11 and the first distributing disc 61 be positioned at above upper perforated plate 2, the second distributing disc 63 above the first distributing disc 61 is located at by the first pillar 62, the seal cup 65 above the second distributing disc 63 is located at by the second pillar 64, be located at the overflow platform 66 at the second distributing disc 63 upper surface center, described first distributing disc 61 surrounding is provided with back-up ring 611, some first liquid distributing holes 612 on described first distributing disc, described second distributing disc 63 is provided with some second liquid distributing holes 631, the surrounding of described seal cup 65 is provided with overflow baffle 651, the center of described seal cup 65 is provided with spout hole 652, described seal cup 65, the radius of the second distributing disc 63 and the first distributing disc 61 successively from small to large, described first liquid distributing hole 611 and the second liquid distributing hole 631, described second liquid distributing hole 631 is in vertical direction with heating tube 3 and is crisscross arranged.
Feed liquid enters from feed pipe, first flow on seal cup, part feed liquid is also diverted to the second distributing disc by overflow baffle from surrounding spilling equably, another part feed liquid is diverted on overflow platform by spout hole, the second distributing disc is evenly overflowed to surrounding again by overflow platform, feed liquid on second distributing disc is diverted to the first distributing disc equably by the surrounding of the second liquid distributing hole and the second distributing disc again, feed liquid is blocked to avoid its surrounding from the first distributing disc outwards to overflow by the back-up ring on the first distributing disc and from the junction seepage of capping and vaporization chamber, and upper perforated plate can only be diverted to equably by the first liquid distributing hole, heating tube is entered again by point fluid apertures on heating tube, and then even falling liquid film is carried out in heating tube.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a tube-type down-flow evaporator, it is characterized in that: comprise vaporization chamber, upper perforated plate, heating tube, capping, feed pipe and cloth liquid structure, wherein: described vaporization chamber entirety is cylindric, described upper perforated plate is located at the inside of vaporization chamber, and the surrounding of described upper perforated plate is connected with the inner wall sealing of vaporization chamber;
Described heating tube is vertically located at the upper surface that on upper perforated plate and the top of heating tube protrudes from upper perforated plate, and the sidewall of a section higher than upper perforated plate of described heating tube is provided with a point fluid apertures;
Described capping is connected to the upper end of vaporization chamber by flange arrangement, and the top of capping is located at by described feed pipe;
Described cloth liquid structure comprises the first distributing disc be located at above upper perforated plate, the second distributing disc above the first distributing disc is located at by the first pillar, the seal cup above the second distributing disc is located at by the second pillar, be located at the overflow platform at the second distributing disc upper surface center, described first distributing disc is provided with some first liquid distributing holes, described second distributing disc is provided with some second liquid distributing holes, the surrounding of described seal cup is provided with overflow baffle, the center of described seal cup is provided with spout hole, described seal cup, the radius of the second distributing disc and the first distributing disc successively from small to large, described first liquid distributing hole and the second liquid distributing hole, described second liquid distributing hole and heating tube are in vertical direction and are crisscross arranged.
2. a kind of tube-type down-flow evaporator as claimed in claim 1, is characterized in that: the inwall of described vaporization chamber is provided with ring-shaped step, described first distributing disc is located on ring-shaped step.
3. a kind of tube-type down-flow evaporator as claimed in claim 1, is characterized in that: the surrounding of described first distributing disc is provided with back-up ring.
4. a kind of tube-type down-flow evaporator as claimed in claim 1, is characterized in that: described point of fluid apertures is divided into some layers, and a described adjacent two layers point fluid apertures is crisscross arranged in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976139.XU CN205199000U (en) | 2015-11-30 | 2015-11-30 | Pipe type falling -film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976139.XU CN205199000U (en) | 2015-11-30 | 2015-11-30 | Pipe type falling -film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205199000U true CN205199000U (en) | 2016-05-04 |
Family
ID=55836745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520976139.XU Expired - Fee Related CN205199000U (en) | 2015-11-30 | 2015-11-30 | Pipe type falling -film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205199000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694486A (en) * | 2017-11-20 | 2018-02-16 | 宣城市楷昂化工有限公司 | A kind of liquid re-distributor with supporting role |
| CN110025969A (en) * | 2019-03-29 | 2019-07-19 | 无锡化工装备股份有限公司 | A kind of downward film evaporator and liquid distribution method |
| CN113209655A (en) * | 2021-07-12 | 2021-08-06 | 联仕(昆山)化学材料有限公司 | Liquid ammonia evaporation deoiling impurity removing device for electronic grade ammonia water production |
-
2015
- 2015-11-30 CN CN201520976139.XU patent/CN205199000U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694486A (en) * | 2017-11-20 | 2018-02-16 | 宣城市楷昂化工有限公司 | A kind of liquid re-distributor with supporting role |
| CN110025969A (en) * | 2019-03-29 | 2019-07-19 | 无锡化工装备股份有限公司 | A kind of downward film evaporator and liquid distribution method |
| CN113209655A (en) * | 2021-07-12 | 2021-08-06 | 联仕(昆山)化学材料有限公司 | Liquid ammonia evaporation deoiling impurity removing device for electronic grade ammonia water production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |