CN217311999U - Liquid phase distribution device of rectifying tower - Google Patents
Liquid phase distribution device of rectifying tower Download PDFInfo
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- CN217311999U CN217311999U CN202220166911.1U CN202220166911U CN217311999U CN 217311999 U CN217311999 U CN 217311999U CN 202220166911 U CN202220166911 U CN 202220166911U CN 217311999 U CN217311999 U CN 217311999U
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Abstract
The utility model relates to a rectifying column liquid phase distribution device, including bottom plate and the distribution unit of setting on the bottom plate, the distribution unit includes that vertical setting is on the bottom plate and runs through the gas-lift pipe and the liquid water conservancy diversion piece of slope setting above the gas-lift pipe of bottom plate, has seted up the through-hole on the lateral wall of gas-lift pipe. Compared with the prior art, the utility model discloses can provide better liquid phase distribution in the minor diameter rectifying column, and simple structure, the welding point is less, easily carries out surface treatment and polishing, is fit for the distributor as having the minor diameter rectifying column that surface treatment required such as polishing, can be used to the production of electron level product.
Description
Technical Field
The utility model belongs to the technical field of the rectification equipment, a rectifying column liquid phase distributor is related to.
Background
In the rectifying tower, the degree of gas-liquid contact is one of the determining factors for the high and low rectifying efficiency. The existence of the liquid phase distributor enables the liquid to be uniformly distributed in the rectifying tower, thereby improving the rectifying efficiency. The rectifying tower with smaller diameter is difficult to use the common tube array type, trough disc type and other distributors in the industry due to the narrow inner space, and generally uses simple funnel type, ring type and other distributors.
For example, in the production of electronic-grade fine chemicals, small-diameter rectification columns are often used because of the low batch yields. However, the funnel-type distributor has a complicated structure and is difficult to perform surface treatment such as polishing, and the ring-type distributor has a very limited distribution effect, and thus cannot meet the production requirements of electronic-grade products.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rectifying column liquid phase distribution device that simple structure, easy polishing, distribution effect are good.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a rectifying column liquid phase distribution device, the device includes the bottom plate and sets up the distribution unit on the bottom plate, the distribution unit include vertical setting on the bottom plate and run through the gas-lift pipe of bottom plate and the liquid water conservancy diversion piece of slope setting in the gas-lift pipe top, the lateral wall of gas-lift pipe on seted up the through-hole. The draft tube is preferably a round tube.
Furthermore, a supporting piece is arranged at the top of the air lifting pipe, and the liquid guide vanes are obliquely arranged on the supporting piece and separated from the top end of the corresponding air lifting pipe.
Furthermore, one or more distribution units are arranged on the bottom plate.
Preferably, the bottom plate is provided with a plurality of distribution units, the distribution units are arranged in one or more layers from inside to outside along the radial direction of the bottom plate, and the liquid guide vanes in two adjacent distribution units have different heights.
The bottom plate is uniformly distributed with a plurality of distribution units along the circumferential direction, and the liquid guide vanes in two adjacent distribution units have different heights.
Furthermore, the bottom plate is arranged along the horizontal direction and is matched with the inner wall of the rectifying tower.
Further, the projection of the liquid guide vane on the horizontal plane completely covers the projection of the corresponding gas lift pipe on the horizontal plane.
Furthermore, the lateral wall of gas-lift pipe on be equipped with a plurality of through-hole layers from bottom to top in proper order, every through-hole layer has evenly seted up a plurality of through-holes along circumference. All the through holes are positioned above the bottom plate.
Furthermore, the shapes and the sizes of a plurality of through holes in the same through hole layer are the same.
Furthermore, the inner wall of the riser is provided with a liquid diversion trench matched with the through hole along the vertical direction.
Furthermore, the top of the liquid diversion trench is connected with the corresponding through hole, and the bottom of the liquid diversion trench extends to the bottom end of the gas rising pipe.
Compared with the prior art, the utility model discloses can provide better liquid phase distribution in the minor diameter rectifying column, and simple structure, the welding point is less, easily carries out surface treatment and polishing, is fit for the distributor as having the minor diameter rectifying column that surface treatment required such as polishing, can be used to the production of electron level product.
Drawings
FIG. 1 is a schematic view of the entire structure of a liquid-phase distribution apparatus of a rectifying column in example 1;
FIG. 2 is a schematic sectional view showing a liquid phase distribution apparatus of a rectifying column in example 1;
fig. 3 is a schematic view of a vertical cross-sectional structure of a liquid-phase distribution device of a rectifying column in example 1;
FIG. 4 is a schematic sectional view showing a draft tube in accordance with example 1;
the notation in the figure is:
1-riser, 2-liquid water conservancy diversion piece, 3-bottom plate, 4-through-holes, 5-liquid guiding gutter, 6-support piece.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a rectifying column liquid phase distribution device, include: a bottom plate 3, a riser 1 and a liquid deflector 2. The gas lift pipe 1 vertically penetrates through the bottom plate 3, and the pipe wall of the gas lift pipe 1 is provided with one or more layers of through holes 4 which are circumferentially distributed; the liquid guide vane 2 is positioned above the gas lift pipe 1.
The gas lift pipe 1 is a circular pipe, the inner side of the pipe wall of the gas lift pipe 1 is provided with a vertical liquid guide groove 5, and the liquid guide groove 5 is positioned below the through hole 4.
The number of the draft tubes 1 is one or more, the through holes 4 are uniformly distributed in the circumferential direction of the tube wall of the draft tube 1, and the through holes 4 in the same layer in the circumferential direction have the same shape. The through holes 4 are all positioned above the bottom plate 3.
The liquid flow deflector 2 has a certain angle with the horizontal direction, and the liquid flow deflector 2 is supported above the gas lift pipe 1; the lower end of the liquid flow deflector 2 is at a certain distance from the upper end of the gas lift pipe 1.
When the device is used, gas phase in the rectifying tower passes through the liquid phase distribution device from bottom to top from the inner side of the gas lift pipe 1, liquid phase is guided by the liquid guide pieces 2 and accumulated on the outer side of the gas lift pipe 1, and along with continuous rising of liquid level, the liquid phase passes through the through holes 4 from the outer side of the gas lift pipe 1 to enter the inner side of the gas lift pipe 1 and passes through the gas lift pipe 1 from bottom to top under the guidance of the liquid guide grooves 5, so that uniform distribution of the liquid is realized.
Example 1:
as shown in fig. 1, 2, 3 and 4, the liquid phase distributor of the rectifying tower is provided with 4 identical gas risers 1, the gas risers 1 are circular tubes with the diameter of 30mm, the gas risers 1 are uniformly arranged in a square shape, and the center distance between every two adjacent gas risers 1 is 35 mm. The height of the air lift pipe 1 is 65mm, and the diameter of the bottom plate 3 is 100 mm.
Two layers of through holes 4 are formed in each gas lift pipe 1, each layer is provided with 4 through holes 4 which are evenly distributed in the circumferential direction, and all the through holes 4 are round holes. The diameter of the through hole 4 of the first layer is 1.5mm from bottom to top, and the diameter of the through hole 4 of the second layer is 2 mm. Each through hole 4 of the first layer is located under the corresponding through hole 4 of the second layer, the vertical height of the through hole 4 of the first layer from the bottom plate 3 is 25mm, and the vertical height of the through hole 4 of the second layer from the bottom plate 3 is 45 mm.
Above each draft tube 1 is a liquid deflector 2 supported at the upper end of the draft tube 1 by two thin iron sheets 3mm wide as support members 6. The distance between the lower end of the liquid guide vane 2 and the upper end of the corresponding gas lift pipe 1 is 25mm and 60mm, and the distance between the upper end of the adjacent gas lift pipe 1 and the lower end of the corresponding liquid guide vane 2 is different. The included angle between the liquid guide plate 2 and the horizontal plane is 10 degrees.
The inner side of the tube wall of the gas lift tube 1 is provided with a liquid guide groove 5 with the width of 1.5mm and the depth of 1mm, and the shape of the liquid guide groove 5 is V-shaped when viewed from the radial section of the gas lift tube 1. The liquid guiding groove 5 extends vertically from the lower end of the through hole 4 to the lower end of the gas lift pipe 1.
Example 2:
the utility model provides a rectifying column liquid phase distribution device, includes bottom plate 3 and the distribution unit of setting on bottom plate 3, and the distribution unit includes vertical setting on bottom plate 3 and runs through bottom plate 3's gas-lift pipe 1 and the liquid water conservancy diversion piece 2 of slope setting in gas-lift pipe 1 top, has seted up through-hole 4 on the lateral wall of gas-lift pipe 1.
Wherein, the top of the gas lift pipe 1 is provided with a support piece 6, and the liquid deflector 2 is obliquely arranged on the support piece 6 and separated from the top end of the corresponding gas lift pipe 1.
A plurality of distribution units are uniformly distributed on the bottom plate 3 along the circumferential direction, and the liquid guide vanes 2 in two adjacent distribution units have different heights.
The bottom plate 3 is arranged along the horizontal direction and is matched with the inner wall of the rectifying tower.
The projection of the liquid guide vane 2 on the horizontal plane completely covers the projection of the corresponding gas lift pipe 1 on the horizontal plane.
A plurality of through hole layers are sequentially arranged on the side wall of the gas lift pipe 1 from bottom to top, and a plurality of through holes 4 are uniformly formed in each through hole layer along the circumferential direction. The through holes 4 in the same through hole layer have the same shape and size. The diameter of the lower through hole 4 is smaller than that of the upper through hole 4.
The inner wall of the riser 1 is provided with a liquid diversion trench 5 matched with the through hole 4 along the vertical direction. The top of the liquid diversion groove 5 is connected with the corresponding through hole 4, and the bottom extends to the bottom end of the gas lift pipe 1.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a rectifying column liquid phase distribution device, its characterized in that, the device includes bottom plate (3) and sets up the distribution unit on bottom plate (3), the distribution unit include vertical setting on bottom plate (3) and run through gas-lift pipe (1) of bottom plate (3) and slope setting liquid water conservancy diversion piece (2) in gas-lift pipe (1) top, the lateral wall of gas-lift pipe (1) on seted up through-hole (4).
2. A rectifying column liquid phase distribution device according to claim 1, characterized in that the top of the gas lift tube (1) is provided with a support member (6), and the liquid deflector (2) is obliquely arranged on the support member (6) and separated from the top end of the corresponding gas lift tube (1).
3. A rectifying column liquid phase distribution apparatus according to claim 1, characterized in that said bottom plate (3) is provided with one or more distribution units.
4. A liquid phase distribution device for a rectifying tower according to claim 3, wherein the bottom plate (3) is provided with a plurality of distribution units, the plurality of distribution units are provided with one or more layers from inside to outside along the radial direction of the bottom plate (3), and the liquid deflectors (2) in two adjacent distribution units have different heights.
5. A rectifying tower liquid phase distribution device according to claim 1, characterized in that said bottom plate (3) is arranged horizontally and adapted to the inner wall of the rectifying tower.
6. A rectifying tower liquid-phase distribution device according to claim 1, characterized in that the projection of the liquid deflector (2) on the horizontal plane completely covers the projection of the corresponding gas riser (1) on the horizontal plane.
7. The liquid phase distribution device of the rectifying tower according to claim 1, wherein a plurality of through hole layers are sequentially arranged on the side wall of the gas rising pipe (1) from bottom to top, and each through hole layer is uniformly provided with a plurality of through holes (4) along the circumferential direction.
8. A rectifying column liquid-phase distribution device according to claim 7, characterized in that the through holes (4) in one and the same through hole layer are of the same shape and size.
9. The liquid phase distribution device of the rectifying tower according to claim 1, wherein the inner wall of the gas rising pipe (1) is provided with a liquid diversion trench (5) matched with the through hole (4) along the vertical direction.
10. The liquid phase distribution device of the rectifying tower according to claim 9, wherein the top of the liquid guiding groove (5) is connected with the corresponding through hole (4), and the bottom thereof extends to the bottom end of the gas rising pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166911.1U CN217311999U (en) | 2022-01-21 | 2022-01-21 | Liquid phase distribution device of rectifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166911.1U CN217311999U (en) | 2022-01-21 | 2022-01-21 | Liquid phase distribution device of rectifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217311999U true CN217311999U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220166911.1U Active CN217311999U (en) | 2022-01-21 | 2022-01-21 | Liquid phase distribution device of rectifying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217311999U (en) |
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2022
- 2022-01-21 CN CN202220166911.1U patent/CN217311999U/en active Active
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