CN213609852U - Gas-liquid distributor of rectifying packed tower and rectifying packed tower - Google Patents
Gas-liquid distributor of rectifying packed tower and rectifying packed tower Download PDFInfo
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- CN213609852U CN213609852U CN202022082963.4U CN202022082963U CN213609852U CN 213609852 U CN213609852 U CN 213609852U CN 202022082963 U CN202022082963 U CN 202022082963U CN 213609852 U CN213609852 U CN 213609852U
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- liquid distributor
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- packed tower
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Abstract
The utility model discloses a rectification packed tower gas-liquid distributor and rectification packed tower, the rectification packed tower gas-liquid distributor includes circular cell body, circular cell body includes floor and cell body lateral wall, set up a plurality of length and width on the circular cell body and different and with the gas lift passageway that the floor link up, form many interior liquid storage tanks between the gas lift passageway, form annular outer reservoir between gas lift passageway and cell body lateral wall, each interior liquid storage tank communicates with outer liquid storage tank each other; a liquid blocking hood with the shape adapting to the shape of the air lifting channel is arranged above the air lifting channel; the side walls of the two sides of the air lifting channel are provided with a plurality of liquid guide pipes, and the upper part of the part of each liquid guide pipe, which is opposite to the side wall of the air lifting channel, is provided with a pore canal which runs through the outer liquid storage tank and the liquid guide pipe. The rectification packed tower comprises a tower body and a solvent inlet arranged at the upper part of the tower body, the gas-liquid distributor of the rectification packed tower is adopted in the tower body, and the packing is arranged below the gas-liquid distributor of the rectification packed tower.
Description
Technical Field
The utility model relates to a rectification packed tower technical field especially relates to a rectification packed tower gas-liquid distributor and uses the rectification packed tower of above-mentioned gas-liquid distributor.
Background
The rectifying packed tower is a gas-liquid mass transfer device with a large amount of packing as an interphase contact member in the tower, the tower body of the rectifying packed tower is a vertical cylinder, the bottom of the rectifying packed tower is provided with a support plate, the packing is placed on the support plate in a random or integral mode, and a packing press plate is arranged above the packing to limit the movement of the packing along with ascending airflow. The packed tower belongs to continuous contact type gas-liquid mass transfer equipment, the composition of two phases continuously changes along the height of the tower, and under the normal operation state, a gas phase is a continuous phase, and a liquid phase is a dispersed phase.
The liquid distributor is an important functional part of the rectifying packed tower, and liquid is added from the top of the tower, sprayed onto the packing through the liquid distributor and flows down along the surface of the packing. The gas is fed from the bottom of the tower, distributed by the gas distribution device and continuously passes through the gaps of the packing layer in a countercurrent way with the liquid. The gas phase and the liquid phase are closely contacted on the surface of the filler for mass transfer. When the liquid flows down along the packing layer, the liquid tends to concentrate towards the tower wall gradually, so that a wall flow effect with gradually increased liquid flow is generated near the tower wall, and the gas-liquid two phases are unevenly distributed in the packing layer due to the wall flow effect, so that the mass transfer efficiency is reduced.
The liquid distributor in the prior art directly sprays the liquid received from the tower top onto the filler, the wall flow effect is serious, and the rectification effect is poor. Especially, in the separation occasions of liquid with large viscosity and containing solid suspended matters, the liquid distributor has poorer distribution performance and anti-fouling performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can reduce wall flow effect, packing layer gas-liquid two-phase distribution comparatively even and the effectual rectification packed column of rectification of rectifying packed column gas-liquid distributor and use this type of gas-liquid distributor.
The utility model relates to a technical scheme that rectification packed tower gas-liquid distributor adopted is: including circular cell body, circular cell body includes bed plate and cell body lateral wall, wherein:
a plurality of air lifting channels which are different in length and width and are communicated with the floor plate are arranged on the circular groove body, a plurality of inner liquid storage tanks are formed between the air lifting channels, annular outer liquid storage tanks are formed between the air lifting channels and the side wall of the groove body, and each inner liquid storage tank is communicated with each outer liquid storage tank;
a liquid blocking hood with the shape adapting to the shape of the air lifting channel is arranged above the air lifting channel;
the side walls of the two sides of the air lifting channel are provided with a plurality of liquid guide pipes, and the upper part of the part of each liquid guide pipe, which is opposite to the side wall of the air lifting channel, is provided with a pore canal which runs through the outer liquid storage tank and the liquid guide pipe.
The utility model discloses a preferred embodiment of rectification packed column gas-liquid distributor is, the quantity of lift gas passageway is 14.
The utility model discloses a preferred embodiment of rectification packed tower gas-liquid distributor is, it is V-arrangement to keep off liquid hood.
The utility model discloses a preferred embodiment of rectification packed column gas-liquid distributor is, every set up 1 catheter at the interval 8mm-15mm on every side lateral wall of lift gas passageway.
The utility model discloses a preferred embodiment of rectification packed tower gas-liquid distributor is, the shape in pore is the rectangle.
The utility model discloses a preferred embodiment of rectification packed tower gas-liquid distributor is, the shape in pore is triangle-shaped.
Furthermore, the included angle of the equal waist edges of the triangular pore canals is 20-40 degrees.
The utility model relates to a technical scheme that rectification packed column adopted is: the tower comprises a tower body and a solvent inlet arranged on the upper part of the tower body, wherein the tower body is internally provided with the gas-liquid distributor of the rectification packed tower, and packing is arranged below the gas-liquid distributor of the rectification packed tower.
The utility model has the advantages that: the floor and the side wall of the tank body form a circular tank body, a plurality of inner liquid storage tanks and outer liquid storage tanks in the circular tank body form a liquid storage space, a liquid blocking air cap is arranged on the air lifting channel, and liquid received by the liquid blocking air cap is initially divided into a plurality of streams which can slowly flow into the liquid storage space. After the liquid flowing into the liquid storage space rises to a certain height, the liquid enters the side walls at two sides of the air lifting channel through the pore channels, and is uniformly and dispersedly sprayed above the lower-layer filler. The wall flow effect can be avoided or reduced, the gas-liquid mass transfer efficiency in the tower is improved, the rectification effect is improved, and the energy consumption is reduced.
Drawings
Fig. 1 is a front view of a gas-liquid distributor according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is an enlarged view of a portion II of FIG. 2;
FIG. 5 is an enlarged view of a portion I of FIG. 3;
fig. 6 is a schematic structural section view of a packed distillation column according to an embodiment of the present invention.
The reference numbers in the figures denote: 1-round groove body, 2-groove body side wall, 3-pore channel, 6-inner liquid storage groove, 7-outer liquid storage groove, 11-air lifting channel, 12-liquid guide pipe, 13-liquid blocking hood, 14-plank, 20-tower body, 21-solvent inlet, 22-gas-liquid distributor, 23-filler, 24-gas distribution device and 25-liquid collector.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1-3, the gas-liquid distributor of the rectifying packed tower comprises a circular tank body 1, wherein the circular tank body 1 comprises a paving plate 14 and a tank body side wall 2. A plurality of air lifting channels 11 which are different in length and width and are communicated with the bed plate 14 are arranged on the circular trough body 1, and the number of the air lifting channels 11 is generally 14. An inner liquid storage tank 6 is formed between the air lifting channels 11, and the inner liquid storage tank 6 is substantially strip-shaped, and the length and the width of the inner liquid storage tank 6 are required to be adapted to the tank body because of the limitation of the tank body 1. An annular outer liquid storage tank 7 is formed between the gas lifting channel 11 and the side wall 2 of the tank body, the inner liquid storage tank 6 is communicated with the outer liquid storage tank 7, and the inner liquid storage tank 6 and the outer liquid storage tank 7 which are communicated form a liquid storage tank.
A liquid-blocking hood 13 with a shape adapted to the shape of the gas-lifting channel 11 is arranged above the gas-lifting channel 11, and the length and width of the liquid-blocking hood 13 are substantially the same as the shape of the gas-lifting channel 11. The liquid blocking hood 13 can be in an upward V shape, and the V-shaped liquid blocking hood can enable received liquid to stay for a certain time, so that the wall flow effect can be favorably reduced.
Referring to fig. 4 and 5, in order to more clearly show the communication structure between the air-lift channel and the internal liquid storage tank and other components, a small support for mounting a liquid blocking hood is omitted in fig. 4. A plurality of liquid guide pipes 12 are arranged on the side walls of both sides of the air lifting channel 11, and a duct 3 penetrating the outer liquid storage tank 7 and the liquid guide pipe 12 is arranged at the upper part of the part of each liquid guide pipe 12 opposite to the side wall of the air lifting channel 11. 1 liquid guide tube 12 can be arranged on each side wall of each air lifting channel 11 at intervals of 8mm-15 mm. The duct 3 can be rectangular or triangular, the included angle of the isosceles sides of the triangular duct 3 is generally 20-40 degrees, and the duct 3 has a good anti-blocking effect within the angle range.
Referring to fig. 6, the distillation packed column includes a column body 20 and a solvent inlet 21 disposed at an upper portion of the column body 20, the column body 20 employs a gas-liquid distributor 22 of the distillation packed column, and a packing 23 is installed below the gas-liquid distributor 22 of the distillation packed column. And further comprises a gas distribution device 24 and a liquid collector 25 arranged in the tower 20. The gas-liquid distributor of the rectifying packed tower ensures that liquid is uniformly distributed on the packing layer and flows down along the surface of the packing 23. The gas is fed from the gas inlet at the bottom of the tower, distributed by the gas distribution device 24, and continuously passes through the gaps of the packing layer in a countercurrent way with the liquid. Gas-liquid two phases are closely contacted on the surface of the filler for mass transfer, so that a better rectification effect can be obtained.
The working principle is that the liquid blocking wind cap 13 divides the received liquid into a plurality of streams, the streams slowly flow into a plurality of inner liquid storage tanks 6 and outer liquid storage tanks 7 in a circular groove body from the liquid blocking wind cap 13 to form a liquid storage space, the liquid flowing into the liquid storage space rises to a certain height, then enters the side walls at two sides of the air lifting channel 11 through the pore channel 3, is provided with a plurality of liquid guide pipes 12, and is uniformly and dispersedly sprayed above the lower-layer filler 23. The wall flow effect can be avoided or reduced, and the rectification effect is improved.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (8)
1. The utility model provides a rectification packed tower gas-liquid distributor, includes circular cell body (1), circular cell body (1) is including bed plate (14) and cell body lateral wall (2), its characterized in that:
a plurality of air lifting channels (11) which are different in length and width and are communicated with the floor plate (14) are arranged on the circular tank body (1), a plurality of inner liquid storage tanks (6) are formed between the air lifting channels (11), annular outer liquid storage tanks (7) are formed between the air lifting channels (11) and the side wall (2) of the tank body, and each inner liquid storage tank (6) is communicated with each outer liquid storage tank (7);
a liquid blocking hood (13) with the shape adapting to the shape of the air lifting channel (11) is arranged above the air lifting channel (11);
a plurality of liquid guide pipes (12) are arranged on the side walls of the two sides of the air lifting channel (11), and a pore channel (3) which penetrates through the outer liquid storage tank (7) and the liquid guide pipes (12) is arranged at the upper part of the part of each liquid guide pipe (12) opposite to the side wall of the air lifting channel (11).
2. A rectifying packed column gas-liquid distributor according to claim 1, characterized in that the number of lift gas channels (11) is 14.
3. The distillation packed column gas-liquid distributor according to claim 2, wherein the liquid-blocking hood (13) is V-shaped.
4. A rectifying packed column gas-liquid distributor according to claim 3, characterized in that 1 liquid guide tube (12) is provided on each side wall of each gas-lifting channel (11) at intervals of 8-15 mm.
5. A rectifying packed column gas-liquid distributor according to claim 1, characterized in that the shape of the portholes (3) is rectangular.
6. A rectifying packed column gas-liquid distributor according to claim 1, characterized in that the shape of the portholes (3) is triangular.
7. The gas-liquid distributor of the rectifying packed tower as claimed in claim 6, wherein the included angle of the equal waist edges of the triangular pore canal (3) is 20-40 °.
8. A rectifying packed column, comprising a column body (20) and a solvent inlet (21) arranged at the upper part of the column body (20), characterized in that a rectifying packed column gas-liquid distributor (22) as claimed in any one of claims 1 to 6 is adopted in the column body (20), and a packing (23) is arranged below the rectifying packed column gas-liquid distributor (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022082963.4U CN213609852U (en) | 2020-09-22 | 2020-09-22 | Gas-liquid distributor of rectifying packed tower and rectifying packed tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022082963.4U CN213609852U (en) | 2020-09-22 | 2020-09-22 | Gas-liquid distributor of rectifying packed tower and rectifying packed tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213609852U true CN213609852U (en) | 2021-07-06 |
Family
ID=76652736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022082963.4U Active CN213609852U (en) | 2020-09-22 | 2020-09-22 | Gas-liquid distributor of rectifying packed tower and rectifying packed tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213609852U (en) |
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2020
- 2020-09-22 CN CN202022082963.4U patent/CN213609852U/en active Active
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