CN210495263U - Liquid distribution structure of distillation equipment - Google Patents
Liquid distribution structure of distillation equipment Download PDFInfo
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- CN210495263U CN210495263U CN201920399786.7U CN201920399786U CN210495263U CN 210495263 U CN210495263 U CN 210495263U CN 201920399786 U CN201920399786 U CN 201920399786U CN 210495263 U CN210495263 U CN 210495263U
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Abstract
The utility model discloses a distillation plant's cloth liquid structure for set up the distillation plant of casing and heat transfer tubulation, include: a liquid spraying cavity and a liquid separating device; the bottom plate of the liquid spraying cavity is a porous plate provided with a plurality of liquid separation holes, and the liquid separation holes are arranged corresponding to the heat exchange tubes; a liquid inlet is arranged at the top of the liquid spraying cavity; the liquid separating device comprises a liquid separating sheet bracket and a liquid separating sheet; divide the liquid piece to fix in the heat exchange tube through dividing the liquid piece support, divide the liquid piece to be greater than 45 degrees settings with the perpendicular or contained angle of heat exchange tube axis, divide liquid piece edge and heat exchange tube inner wall to leave the clearance. The utility model discloses make liquid distribute to each heat exchange tube uniformly on, because liquid distributes evenly to be favorable to the liquid evaporation, prevent to be heated inhomogeneous and cause liquid scale deposit in the heat exchange tube, and still have simple structure, install easy, convenient to use, difficult advantage of blockking up.
Description
Technical Field
The utility model relates to a distillation plant technical field, more specifically the cloth liquid structure that relates to a distillation plant that says so.
Background
Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire component, a unit operation that combines the two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, filtration crystallization and the like, the method has the advantage that other solvents except system components are not required, so that new impurities are not introduced.
The liquid distribution technology of the existing distillation or concentration equipment is laggard, for example, in the liquid distribution structure of a falling film evaporator, liquid entering the equipment flows onto a pore plate of a fixed tube array after being substantially equalized by one or more layers of pore plates, and then the liquid accumulated on the surface of the pore plate overflows into the tube array or enters the tube array through a seam hole and flows down along the tube wall; the distribution of the liquid is realized by a plurality of spray headers, although the distribution method adopting the spray headers can be basically uniform on the whole, the better uniformity of each part is difficult to realize, because each pipe orifice and the area nearby the pipe orifice are crossed and covered by the plurality of spray headers, the spraying conditions are different, and a considerable part of the liquid is sprayed on the pore plates outside the pipe orifices and enters the pipe orifices only in an overflow mode so as to flow down along the walls of the pipe orifices;
the existing liquid distribution mode requires that the installed liquid receiving pore plates have high-precision levelness, and the pipe orifices of all the tubes or the liquid inlet slotted holes are required to be on the same horizontal plane to realize uniform liquid distribution, which is harsh on the manufacturing and installation standards of equipment, and is more difficult to install especially for equipment with larger diameter.
Therefore, the solution distribution structure of the distillation equipment, which has the advantages of uniform solution distribution, simple structure and convenient installation, is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a distillation plant's cloth liquid structure to solve the problem that the above-mentioned background art part mentioned, make liquid distribute to each heat exchange tube uniformly on, because liquid distributes evenly, thereby be favorable to the liquid evaporation, prevent to be heated inhomogeneous and cause liquid scale deposit in the heat exchange tube, and still have simple structure, the installation is easy, convenient to use, the difficult advantage that blocks up.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid distribution structure of distillation equipment is used in the distillation equipment provided with a shell and a heat exchange tube nest, and comprises: a liquid spraying cavity and a liquid separating device; the bottom plate of the liquid spraying cavity is a porous plate provided with a plurality of liquid separation holes, and the liquid separation holes are arranged corresponding to the heat exchange tubes; a liquid inlet is formed in the top of the liquid spraying cavity;
the liquid separating device comprises a liquid separating sheet bracket and a liquid separating sheet; divide the liquid piece to pass through divide the liquid piece support to fix in the heat transfer shell row, divide the liquid piece with the heat exchange tube axis is perpendicular or the contained angle is greater than 45 degrees settings, divide liquid piece edge with the heat exchange tube inner wall leaves the clearance.
The distillation equipment is provided with a heat exchange tube mounting plate, the heat exchange tube mounting plate is arranged at the top of the shell to form a heat exchange tube cavity, and the heat exchange tube is positioned in the heat exchange tube cavity; a plurality of heat exchange tube mounting holes are uniformly distributed on the heat exchange tube mounting plate, one ends of the heat exchange tubes are inserted into the heat exchange tube mounting holes, and the outer walls of the heat exchange tubes are matched with the inner walls of the heat exchange tube mounting holes and are fixedly connected with the inner walls of the heat exchange tube mounting holes;
the perforated plate is arranged above the heat exchange tube mounting plate, and the liquid separation hole is correspondingly arranged with the heat exchange tube mounting hole
Preferably, in the cloth liquid structure of above-mentioned distillation plant, the hydrojet chamber by perforated plate and perforated plate apron constitute, the perforated plate apron is bowl-shaped structure, and the back-off is in the perforated plate top, and set up on the perforated plate apron the inlet, the inlet is connected with the feed liquor pipe.
Preferably, in the liquid distribution structure of the distillation equipment, the liquid separation device further comprises a steam reflux piece, the liquid separation piece and the steam reflux piece are both fixed in the heat exchange tube through the liquid separation piece support, the liquid separation piece is positioned above the steam reflux piece, the steam reflux piece is perpendicular to the axis of the heat exchange tube or has an included angle of more than 45 degrees, and a gap is reserved between the edge of the liquid separation piece and the inner wall of the heat exchange tube; and a backflow hole is formed in the middle of the steam backflow sheet.
Preferably, in the above-mentioned distillation plant's cloth liquid structure, divide the liquid piece support to constitute by three spinal branch poles, three spinal branch poles are connected respectively on the edge of steam reflux piece, and the branch top is provided with the horizontal pole, the horizontal pole stretches out to outside the heat exchange tube mouth of pipe, and with the mouth of pipe edge contact of heat exchange shell and tube, thus it is right divide the liquid piece with steam reflux piece position is spacing.
Preferably, in the liquid distribution structure of the distillation apparatus, the edge of the liquid separation sheet is connected to the support rod.
Preferably, in the liquid distribution structure of the distillation equipment, a liquid separation sheet mounting rod is arranged in the middle of the supporting rod, and the liquid separation sheet is mounted on the liquid separation sheet mounting rod.
Preferably, in above-mentioned distillation plant's cloth liquid structure, the hydrojet chamber dustcoat has the vapor recovery cover, the perforated plate with between the heat exchange tube mounting panel, all reserve steam between hydrojet chamber dustcoat and the vapor recovery cover and pass through the clearance, vapor outlet and feed liquor pipe mouth are seted up to vapor recovery cover top, vapor outlet is connected with steam pressure release pipeline, the feed liquor pipe warp feed liquor pipe mouth stretches out to outside the vapor recovery cover.
Preferably, in the liquid distribution structure of the distillation equipment, a plurality of downward bolts are arranged on the bottom surface of the liquid spraying cavity to form a supporting leg structure, the liquid spraying cavity is supported above the heat exchange tube nest, and the bolts are supported above the heat exchange tube mounting plate.
Preferably, in the liquid distribution structure of the distillation apparatus, the porous plate is horizontally arranged.
Preferably, in the liquid distribution structure of the distillation apparatus, the liquid distribution sheet is circular.
According to the technical scheme, compare with prior art, the utility model provides a distillation plant's cloth liquid structure, set up a perforated plate that is used for the hydrojet above the heat exchange tube, the heat transfer mouth of pipe of each pore pair below of perforated plate, the diameter in branch liquid hole is confirmed as required, all be equipped with the branch liquid piece that can take out in every heat exchange tube, divide the liquid piece through dividing liquid piece support setting in the heat exchange tube, because one of them branch top that divides liquid piece support is provided with the horizontal pole, the horizontal pole stretches out outside the heat exchange tube mouth of pipe, and with the mouth of pipe edge contact of heat exchange tube, thereby carry on spacingly to dividing the liquid piece, make divide the unable lapse of liquid piece, upwards pull divide liquid piece support alright take out from the heat exchange tube with.
Liquid enters from a liquid inlet pipe orifice arranged in the center of the top of the porous plate cover plate and flows onto the porous plate, then directly penetrates onto a liquid separating sheet in the heat exchange pipe orifice through a liquid separating hole of the porous plate, and the liquid directly penetrates onto the liquid separating sheet to splash or horizontally flow onto the inner wall of the heat exchange pipe and then flows down along the inner wall of the heat exchange pipe, so that the liquid is uniformly distributed on the inner wall of each heat exchange pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the liquid separating device;
fig. 3 is a schematic structural diagram of a liquid separating device provided with a steam reflux sheet.
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.
The embodiment of the utility model discloses distillation plant's cloth liquid structure makes on liquid can distribute each heat exchange tube uniformly, because liquid distribution is even to be favorable to the liquid evaporation, prevent to be heated inhomogeneous and cause liquid scale deposit in the heat exchange tube, and still have simple structure, install easy, convenient to use, be difficult for the advantage of jam.
Examples
With the accompanying drawings 1-2, the utility model discloses a liquid distribution structure of distillation equipment, which is used in the distillation equipment provided with a shell 1 and a heat exchange tube nest 2, and comprises: a liquid spraying cavity and a liquid separating device; the bottom plate of the liquid spraying cavity is a porous plate 4 provided with a plurality of liquid separation holes 7, and the liquid separation holes 7 are arranged corresponding to the heat exchange tubes 2; a liquid inlet is arranged at the top of the liquid spraying cavity;
the liquid separating device comprises a liquid separating sheet bracket 10 and a liquid separating sheet 9; divide liquid piece 9 to fix in heat transfer tubulation 2 through dividing liquid piece support 10, divide liquid piece 9 and heat exchange tube axis perpendicular or contained angle to be greater than 45 degrees settings, divide liquid piece 9 edge and heat exchange tube inner wall to leave the clearance.
The distillation equipment is provided with a heat exchange tube mounting plate 3, the heat exchange tube mounting plate 3 is arranged at the top of the shell 1 to form a heat exchange tube cavity, and the heat exchange tube is positioned in the heat exchange tube cavity; a plurality of heat exchange tube mounting holes 6 are uniformly distributed on the heat exchange tube mounting plate 3, one ends of the heat exchange tubes are inserted into the heat exchange tube mounting holes 6, and the outer walls of the heat exchange tubes are matched with the inner walls of the heat exchange tube mounting holes 6 and fixedly connected with the inner walls;
the porous plate 4 is arranged above the heat exchange tube mounting plate 3, and the liquid separation hole 7 is arranged corresponding to the heat exchange tube mounting hole 6.
In order to further optimize the technical scheme, the liquid spraying cavity is composed of a porous plate 4 and a porous plate cover plate 15, the porous plate cover plate 15 is of a bowl-shaped structure and is reversely buckled above the porous plate 4, a liquid inlet is formed in the porous plate cover plate 15, and the liquid inlet is connected with a liquid inlet pipe 16.
With reference to fig. 3, in order to further optimize the technical scheme, the liquid separating device further comprises a steam reflux sheet 19, the liquid separating sheet 9 and the steam reflux sheet 19 are both fixed in the heat exchange tube through a liquid separating sheet support 10, the liquid separating sheet 9 is positioned above the steam reflux sheet 19, the steam reflux sheet 19 is perpendicular to the axis of the heat exchange tube or has an included angle of more than 45 degrees, and a gap is reserved between the edge of the liquid separating sheet 9 and the inner wall of the heat exchange tube; the middle of the steam return sheet 19 is provided with a return hole.
In order to further optimize the technical scheme, the liquid separation sheet support 10 is composed of three support rods, the three support rods are respectively connected to the edge of the steam backflow sheet 19, a cross rod 11 is arranged at the top of each support rod, the cross rod 11 extends out of the opening of the heat exchange tube and is in contact with the opening edge of the heat exchange tube array 2, and therefore the positions of the liquid separation sheets 9 and the positions of the steam backflow sheet 19 are limited.
In order to further optimize the technical scheme, the edge of the liquid separation sheet 9 is connected to the support rod.
In order to further optimize the technical scheme, a liquid separation sheet mounting rod 20 is arranged in the middle of the supporting rod, and the liquid separation sheet 9 is mounted on the liquid separation sheet mounting rod 20.
In order to further optimize the technical scheme, the spray cavity is externally covered with the steam recovery cover 5, steam passing gaps are reserved between the porous plate 4 and the heat exchange tube mounting plate 3 and between the spray cavity outer cover and the steam recovery cover 5, the top of the steam recovery cover 5 is provided with a steam outlet 17 and a liquid inlet pipe orifice 8, the steam outlet 17 is connected with a steam pressure relief pipeline 18, and the liquid inlet pipe 16 extends out of the steam recovery cover 5 through the liquid inlet pipe orifice 8.
In order to further optimize the technical scheme, a plurality of downward bolts are arranged on the bottom surface of the liquid spraying cavity to form a supporting leg structure, and the liquid spraying cavity is supported above the heat exchange tube array 2.
In order to further optimize the above solution, the perforated plate 4 is arranged horizontally.
In order to further optimize the technical scheme, the liquid separation sheet 9 is circular.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A liquid distribution structure of distillation equipment is used in the distillation equipment provided with a shell (1) and a heat exchange tube nest (2), and is characterized by comprising: a liquid spraying cavity and a liquid separating device; the bottom plate of the liquid spraying cavity is a porous plate (4) provided with a plurality of liquid separation holes (7), and the liquid separation holes (7) are arranged corresponding to the heat exchange tubes (2); a liquid inlet is formed in the top of the liquid spraying cavity;
the liquid separation device comprises a liquid separation sheet bracket (10) and a liquid separation sheet (9); divide liquid piece (9) to pass through divide liquid piece support (10) to fix in heat transfer column pipe (2), divide liquid piece (9) with heat transfer column pipe (2) axis is perpendicular or the contained angle is greater than 45 degrees settings, divide liquid piece (9) edge with heat transfer column pipe (2) inner wall leaves the clearance.
2. The liquid distribution structure of distillation equipment according to claim 1, wherein the liquid spraying cavity is composed of the porous plate (4) and a porous plate cover plate (15), the porous plate cover plate (15) is a bowl-shaped structure and is buckled upside down on the porous plate (4), and the liquid inlet is arranged on the porous plate cover plate (15) and is connected with a liquid inlet pipe (16).
3. The liquid distribution structure of distillation equipment according to claim 2, wherein the liquid separation device further comprises a vapor return sheet (19), the liquid separation sheet (9) and the vapor return sheet (19) are both fixed in the heat exchange tube array (2) through the liquid separation sheet support (10), the liquid separation sheet (9) is positioned above the vapor return sheet (19), the vapor return sheet (19) is perpendicular to the axis of the heat exchange tube array (2) or has an included angle of more than 45 degrees, and a gap is reserved between the edge of the liquid separation sheet (9) and the inner wall of the heat exchange tube array (2); and a reflux hole is formed in the middle of the steam reflux sheet (19).
4. The liquid distribution structure of distillation equipment according to claim 3, wherein the liquid separation sheet support (10) is composed of three support bars, the three support bars are respectively connected to the edge of the steam reflux sheet (19), a cross bar (11) is arranged on the top of each support bar, and the cross bar (11) extends out of the opening of the heat exchange tube array (2) and is in contact with the opening edge of the heat exchange tube array (2), so that the positions of the liquid separation sheet (9) and the steam reflux sheet (19) are limited.
5. A liquid distribution structure of distillation equipment according to claim 4, wherein the edge of the liquid separation sheet (9) is connected to the support rod.
6. The liquid distribution structure of distillation equipment according to claim 4, wherein a liquid separation sheet mounting rod (20) is arranged in the middle of the supporting rod, and the liquid separation sheet (9) is mounted on the liquid separation sheet mounting rod (20).
7. The liquid distribution structure of distillation equipment according to claim 4, wherein a steam recovery cover (5) is covered outside the liquid spraying cavity, a steam passing gap is reserved between the porous plate (4) and the heat exchange tube array (2) mounting plate 3 and between the liquid spraying cavity cover and the steam recovery cover (5), a steam outlet (17) and a liquid inlet pipe orifice (8) are formed in the top of the steam recovery cover (5), the steam outlet (17) is connected with a steam pressure relief pipeline (18), and the liquid inlet pipe (16) extends out of the steam recovery cover (5) through the liquid inlet pipe orifice (8).
8. A liquid distribution structure of a distillation apparatus according to claim 7, wherein the bottom of the liquid spraying cavity is provided with a plurality of downward bolts to form a supporting leg structure, and the liquid spraying cavity is supported above the heat exchange tubes (2).
9. A liquid distribution structure of a distillation apparatus according to claim 1, wherein the porous plate (4) is horizontally disposed.
10. A liquid distribution structure of distillation equipment according to claim 1, wherein the liquid separation sheet (9) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399786.7U CN210495263U (en) | 2019-03-27 | 2019-03-27 | Liquid distribution structure of distillation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399786.7U CN210495263U (en) | 2019-03-27 | 2019-03-27 | Liquid distribution structure of distillation equipment |
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| CN210495263U true CN210495263U (en) | 2020-05-12 |
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| CN201920399786.7U Active CN210495263U (en) | 2019-03-27 | 2019-03-27 | Liquid distribution structure of distillation equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999522A (en) * | 2019-03-27 | 2019-07-12 | 合肥艾普拉斯环保科技有限公司 | A kind of cloth liquid structure of distillation equipment |
| CN112386933A (en) * | 2021-01-19 | 2021-02-23 | 潍坊惠米农业科技发展有限公司 | Distillation still with buffer function |
-
2019
- 2019-03-27 CN CN201920399786.7U patent/CN210495263U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999522A (en) * | 2019-03-27 | 2019-07-12 | 合肥艾普拉斯环保科技有限公司 | A kind of cloth liquid structure of distillation equipment |
| CN109999522B (en) * | 2019-03-27 | 2024-01-26 | 合肥艾普拉斯环保科技有限公司 | Liquid distribution structure of distillation equipment |
| CN112386933A (en) * | 2021-01-19 | 2021-02-23 | 潍坊惠米农业科技发展有限公司 | Distillation still with buffer function |
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