CN210448123U - Liquid distribution device applied to sleeve type falling film evaporator - Google Patents
Liquid distribution device applied to sleeve type falling film evaporator Download PDFInfo
- Publication number
- CN210448123U CN210448123U CN201920773723.3U CN201920773723U CN210448123U CN 210448123 U CN210448123 U CN 210448123U CN 201920773723 U CN201920773723 U CN 201920773723U CN 210448123 U CN210448123 U CN 210448123U
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- Prior art keywords
- distributor
- falling film
- falling
- pipe
- tube
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- 239000011552 falling film Substances 0.000 title claims abstract description 103
- 239000007788 liquid Substances 0.000 title claims abstract description 53
- 238000009826 distribution Methods 0.000 title claims description 33
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 abstract description 19
- 230000008020 evaporation Effects 0.000 abstract description 19
- 239000010408 film Substances 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model discloses a be applied to cloth liquid device of bushing type falling film evaporation ware, include: the membrane falling device comprises an upper distributor, a lower distributor and a membrane falling pipe, wherein the upper distributor is a cylindrical cavity, an annular partition plate is arranged in the upper distributor, and the annular partition plate divides the upper distributor into an inner membrane falling pipe upper distributor inside and an outer membrane falling pipe upper distributor outside; the lower distributor is communicated with the upper distributor through a liquid conveying pipeline, the lower distributor is a cylindrical cavity, a disc partition plate is arranged in the cylindrical cavity, and the lower distributor is divided into an upper inner falling film pipe lower distributor and a lower outer falling film pipe lower distributor; the film falling pipe comprises an inner film falling pipe and an outer film falling pipe, and the inner film falling pipe and the outer film falling pipe are coaxially arranged. The utility model discloses a cloth liquid device can carry out cloth liquid to the inside and outside membrane pipe that falls simultaneously, has improved cloth liquid efficiency, is provided with the cloth liquid hole on the inside and outside membrane pipe that falls, is favorable to guaranteeing the homogeneity of cloth liquid.
Description
Technical Field
The utility model relates to a falling film evaporation equipment specifically is a be applied to cloth liquid device of bushing type falling film evaporator.
Background
The falling film evaporator is used as an efficient and energy-saving evaporation device and is widely applied to the industrial fields of chemical industry, petroleum, food, power and the like. The material flows into a heat exchange pipe of the falling film evaporator through the film distributor, flows down in a film shape along the inner wall of the pipe of the film distributor under the action of the gravity of the material and flows into the falling film evaporator for evaporation.
The most widely used at present are disc distributors, which are divided into two types: one is a disk distributor and the other is a plate distributor. The disk distributor mainly comprises a distributing plate, an upper distributing disk and a lower distributing disk. The plate disc distributor mainly comprises a distributing plate and a distributing disc, and the distributing plate is not provided with the distributing disc for distributing materials uniformly, so that the distributing effect of the disc distributor is good, but the distributing efficiency of the existing disc distributor cannot completely meet the production requirement, and further improvement and promotion are needed.
Disclosure of Invention
An object of the utility model is to provide a be applied to cloth liquid device of bushing type falling film evaporation ware to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a liquid distribution device applied to a double-pipe type falling-film evaporator comprises: the membrane falling device comprises an upper distributor, a lower distributor and a membrane falling pipe, wherein the upper distributor is a cylindrical cavity, an annular partition plate is arranged in the upper distributor, the annular partition plate is concentric with the cavity, the upper distributor is divided into an inner membrane falling pipe upper distributor inside and an outer membrane falling pipe upper distributor outside, the inner membrane falling pipe upper distributor is communicated with a first feeding hole, and the outer membrane falling pipe upper distributor is communicated with a second feeding hole;
the lower distributor is communicated with the upper distributor through a liquid conveying pipeline, the lower distributor is a cylindrical cavity, a disc partition plate is arranged in the cylindrical cavity, the disc partition plate is horizontally arranged and divides the lower distributor into an upper inner falling film tube lower distributor and a lower outer falling film tube lower distributor, and a tube plate is arranged below the lower distributor; the falling film tube is arranged on the tube plate, the falling film tube comprises an inner falling film tube and an outer falling film tube, the inner falling film tube and the outer falling film tube are arranged on the tube plate in a coaxial mode, the outer falling film tube is communicated with the inner falling film tube lower distributor, and the inner falling film tube is communicated with the inner falling film tube upper distributor.
As a further aspect of the present invention: and a gap is reserved between the inner film falling pipe and the outer film falling pipe.
As a further aspect of the present invention: the inner falling film pipe is provided with an inner falling film pipe liquid distribution hole, the outer falling film pipe liquid distribution part is provided with an outer falling film pipe liquid distribution hole, and the outer falling film pipe liquid distribution hole and the inner falling film pipe liquid distribution hole are arranged in an inclined ring array on the inner falling film pipe and the outer falling film pipe respectively.
As a further aspect of the present invention: the bottom end of the first feed inlet is provided with a material distribution plate.
Compared with the prior art, the beneficial effects of the utility model are that: the liquid distribution device of the utility model is provided with two feed inlets, and the upper distributor and the lower distributor are divided into an inner part and an outer part by the partition plate, the design can realize the liquid distribution of the inner falling film pipe and the outer falling film pipe simultaneously, and the liquid distribution efficiency is improved; the liquid distribution part of the inner and outer falling film tubes of the utility model is provided with liquid distribution holes which are arranged along the tube ring at a certain angle, thus being beneficial to ensuring the uniformity of the liquid distribution; the utility model discloses an interior falling film pipe is concentric with outer falling film pipe position, forms first falling film evaporation passageway between inside and outside falling film intertube, and the inboard pipe wall of interior falling film pipe is second falling film evaporation passageway, has improved evaporation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the outer falling film tube of the present invention.
Fig. 3 is a schematic structural view of the inner falling film tube of the present invention.
In the figure: the device comprises a tube plate 1, an outer falling film tube distributor 2, an inner falling film tube distributor 3, an inner falling film tube distributor 4, an outer falling film tube distributor 5, a first feed port 6, a distribution plate 7, an annular partition plate 8, a second feed port 9, a disc partition plate 10, an inner falling film tube 11, an outer falling film tube 12, a first falling film evaporation channel 13, a second falling film evaporation channel 14, an outer falling film tube liquid distribution hole 15 and an inner falling film tube liquid distribution hole 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a liquid distribution device applied to a double-pipe falling-film evaporator includes: go up distributor, lower distributor, fall membrane tube, its innovation point lies in: divide into distributor 4 on the interior falling film pipe and distributor 5 on the outer falling film pipe with it through setting up annular baffle 8 in last distributor, divide into distributor 2 under outer falling film pipe and distributor 3 under the interior falling film pipe through setting up disc baffle 10 in distributor down, set up first feed inlet 6 on cloth liquid device top, distributor 4 on the interior falling film pipe is communicate to first feed inlet 6, distributor 4 and distributor 3 pass through the transfer line intercommunication under interior falling film pipe on the interior falling film pipe, second feed inlet 9 is perpendicular to first feed inlet 6 and sets up, distributor 5 on the outer falling film pipe is communicated to second feed inlet 9, distributor 5 and distributor 2 under the outer falling film pipe on the outer falling film pipe communicate through the transfer line, distributing plate 7 is all installed to two feed inlets, when the feed liquid from distributing plate 7 of two feed inlets respectively get into above in four distributors.
Falling the membrane tube and falling the membrane tube 11 and falling outer membrane tube 12 including interior, fall membrane tube 11 and outer falling membrane tube 12 and set up on tube sheet 1 of liquid distribution device below and coaxial setting, there is the clearance between interior outer falling membrane tube, form first falling film evaporation passageway 13, distributor 3 intercommunication under first falling film evaporation passageway 13 and the interior falling membrane tube, interior falling membrane tube 11 inboard is second falling film evaporation passageway 14, second falling film evaporation passageway 14 and interior falling membrane tube go up distributor 4 intercommunication, first falling film evaporation passageway 13 and second falling film evaporation passageway 14 guarantee that two evaporation passageways evaporate simultaneously, evaporation efficiency is improved.
The liquid distribution part of the inner falling film tube 11 is provided with liquid distribution holes 16 of the inner falling film tube, the liquid distribution part of the outer falling film tube 12 is provided with liquid distribution holes 15 of the outer falling film tube, the liquid distribution holes are arranged along the tube ring at a certain angle, the liquid material uniformly flows onto the tube plate 1 through the liquid distribution holes, the liquid distribution device is a key part of the falling film evaporator, the heat exchange intensity and the production capacity of the falling film evaporator substantially depend on the uniform degree of the liquid material distributed along the heat exchange tube, the uniform distribution not only means that the liquid is uniformly distributed in each tube, but also uniformly distributed along the whole periphery of each tube, and the uniformity is kept on the length of the whole tube, when the liquid material cannot uniformly wet the inner surfaces of all the heating tubes, the liquid lack or few liquid surfaces can be scaled due to evaporation, and the scaling surface reversely retards the flow of the liquid film, thereby further deteriorating the heat transfer conditions of the adjacent area, the design of the liquid distribution holes 15 and 16 of the outer falling film pipe and the inner falling film pipe is beneficial to ensuring the uniformity of liquid distribution.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A liquid distribution device applied to a double-pipe type falling-film evaporator comprises: go up distributor, lower distributor, fall membrane tube, its characterized in that: the upper distributor is a cylindrical cavity, an annular partition plate (8) is arranged in the upper distributor, the annular partition plate (8) is concentric with the cavity, the upper distributor is divided into an inner upper membrane descending pipe distributor (4) inside and an outer upper membrane descending pipe distributor (5), the inner upper membrane descending pipe distributor (4) is communicated with a first feeding hole (6), and the outer upper membrane descending pipe distributor (5) is communicated with a second feeding hole (9);
the lower distributor is communicated with the upper distributor through a liquid conveying pipeline, the lower distributor is a cylindrical cavity, a disc partition plate (10) is arranged in the cylindrical cavity, the disc partition plate (10) is horizontally arranged to divide the lower distributor into an upper inner falling film tube lower distributor (3) and a lower outer falling film tube lower distributor (2), and a tube plate (1) is arranged below the lower distributor; the falling film tube is arranged on the tube plate (1), the falling film tube comprises an inner falling film tube (11) and an outer falling film tube (12), the falling film tube is arranged on the tube plate (1), the inner falling film tube (11) and the outer falling film tube (12) are coaxially arranged, the outer falling film tube (12) is communicated with the inner falling film tube lower distributor (3), and the inner falling film tube (11) is communicated with the inner falling film tube upper distributor (4).
2. The liquid distribution device applied to the double-pipe type falling-film evaporator according to claim 1, wherein: a gap is reserved between the inner falling film tube (11) and the outer falling film tube (12).
3. The liquid distribution device applied to the double-pipe type falling-film evaporator according to claim 1 or 2, characterized in that: interior falling is provided with interior falling film pipe cloth liquid hole (16) on membrane tube (11), it is provided with outer falling film pipe cloth liquid hole (15) to fall membrane tube (12) cloth liquid part outward, outer falling film pipe cloth liquid hole (15) and interior falling film pipe cloth liquid hole (16) incline upward the ring row and arrange respectively in interior falling film tube (11) and outer falling film tube (12).
4. The liquid distribution device applied to the double-pipe type falling-film evaporator according to claim 1, wherein: the bottom end of the first feeding hole (6) is provided with a distributing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773723.3U CN210448123U (en) | 2019-05-27 | 2019-05-27 | Liquid distribution device applied to sleeve type falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773723.3U CN210448123U (en) | 2019-05-27 | 2019-05-27 | Liquid distribution device applied to sleeve type falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210448123U true CN210448123U (en) | 2020-05-05 |
Family
ID=70438605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920773723.3U Active CN210448123U (en) | 2019-05-27 | 2019-05-27 | Liquid distribution device applied to sleeve type falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210448123U (en) |
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2019
- 2019-05-27 CN CN201920773723.3U patent/CN210448123U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1-3, Lane 369, Changshi Road, Sijing Town, Songjiang District, Shanghai, 201600 Patentee after: Shanghai Zhongteng Equipment Technology Co.,Ltd. Country or region after: China Address before: 151 Wangdong Middle Road, Sijing Town, Songjiang District, Shanghai, 20101 Patentee before: SHANGHAI ZHONGTENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |