CN217887440U - Novel adsorption column - Google Patents

Abstract

The utility model discloses a novel adsorption column, which belongs to the technical field of waste gas treatment equipment and comprises a column body filled with an adsorbent, wherein the bottom of the column body is provided with an air inlet and an adsorbent discharge port; the top is equipped with gas outlet and adsorbent filler mouth, water inlet and delivery port have been seted up to the lower part of cylinder, the water inlet is connected with female pipe of intaking towards the cylinder inboard, the outside cover of female pipe of intaking is equipped with female pipe of going out water, female pipe of intaking has a plurality of minutes pipes of intaking to the inside top extension of cylinder, the branch pipe top of intaking is the opening, the branch outside cover of intaking is equipped with out the water branch pipe, it is the cecum to go out the water branch pipe top, go out water branch socle portion and collect to female pipe of going out water, the female union coupling delivery port of going out water, adsorption column heat exchange efficiency among the prior art is low has been solved, the heating and the cooling effect of adsorption column are unsatisfactory, influence the regeneration of adsorbent and the problem of adsorption efficiency.

Description

Novel adsorption column

Technical Field

The utility model belongs to the technical field of gas purification treatment equipment, concretely relates to novel adsorption column, purification treatment of process gas in the specially adapted polycrystalline silicon production.

Background

At present, a large amount of process waste gas is generated in the production of polycrystalline silicon, and production enterprises can treat and recycle the process gas from the aspects of raw material cost, environmental protection and the like. Wherein, the process gas purification section can use an adsorption column, and the adsorbent in the adsorption column adsorbs the impurity gas in the process gas so as to achieve the purpose of purification. When the adsorbent is saturated, the adsorbent needs to be heated, desorbed and regenerated, so that the adsorbent can be recycled.

The existing adsorption column structure is mostly an internal coil pipe, the half pipe of an external jacket is heated and cooled, cold water and hot water enter from the lower part of the adsorption column, and the cold water and the hot water are discharged from the top. For example, the publication number of CN215822721U, which is published by the intellectual property office in 2022, month 2 and day 15, is named as the technical scheme of a tail gas recovery system in the production of polycrystalline silicon, wherein the used activated carbon adsorption column is the adsorption column structure of the internal coil.

Because the inside coil pipe circulation medium of adsorption column is high temperature and high pressure water, then the coil pipe wall thickness is great, and this makes the camber of coil pipe not too big for the heat transfer area that the coil pipe provided is less, and the regeneration and the adsorption effect of adsorbent receive the influence, and along with adsorption column diameter increase, heat transfer area just is littleer in the unit volume, and the heating and the cooling effect of adsorption column become more and more poor, influence the regeneration and the adsorption efficiency of adsorbent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is low to aim at solving current coil pipe formula adsorption column heat exchange efficiency among the prior art, and the heating and the cooling effect of adsorption column are unsatisfactory, influence the regeneration and the adsorption efficiency of adsorbent to, traditional shell and tube adsorption column can not satisfy the requirement of gas purification treatment to adsorption column in the polycrystalline silicon production.

In order to achieve the purpose of the invention, a novel adsorption column is provided, and the adsorption column is also suitable for a gas purification process in the chemical field of similar use environments. The technical scheme of the utility model as follows:

a novel adsorption column comprises a column body filled with an adsorbent, wherein the bottom of the column body is provided with an air inlet and an adsorbent outlet; the top is equipped with gas outlet and adsorbent filler mouth, and water inlet and delivery port have been seted up to the lower part of cylinder, and the water inlet is connected with female pipe of intaking towards the cylinder inboard, and the outside cover of female pipe of intaking is equipped with female pipe of water, and female pipe of intaking has a plurality of branch pipes of intaking to the inside top extension of cylinder, and the branch pipe top of intaking is the opening, and the branch outside cover of intaking is equipped with out the water branch pipe, and the branch pipe top of going out is the cecum, goes out the water branch socle and collects to female pipe of going out water, the female union coupling delivery port of going out water.

Furthermore, the outer side of the water outlet pipe is connected with a fin.

Furthermore, fins are uniformly distributed on the outer side of the water outlet pipe and are vertically arranged.

Furthermore, the fins are divided into a plurality of sections and connected to the outer sides of the water outlet branch pipes.

Further, the fins of adjacent sections are arranged in a staggered manner.

Furthermore, thermometer installing ports are formed in the upper portion, the middle portion and the lower portion of the column body.

Furthermore, the water outlet pipe is fixed inside the column body through a support ring.

The utility model has the advantages that:

1. the utility model discloses in, heating and cooling to the adsorbent in the adsorption column are realized through the female pipe-the branch pipe-the play water branch pipe-the female pipe of play water to the water inlet of adsorption column leads to the fluid medium of corresponding temperature, and the fluid adopts water or conduction oil to realize the heat transfer process usually. Fluid of uniform temperature gets into to the main pipe of intaking from the water inlet, because the main pipe other end of intaking is the cecum, the fluid gets into to the branch pipe of intaking again from the main pipe of intaking to spill over to the play water branch pipe from the exit at branch pipe top of intaking, collect at last downwards and discharge outside the cylinder from the delivery port after the main pipe of play water, whole process all goes on inside the cylinder, realizes thermal maximize utilization, and the whole movement route of fluid is longer, and the heat transfer effect is better.

2. The utility model discloses in, the play moisture outside of tubes is connected with the fin, and the fin adopts the better metal material of heat conduction effect to make, improves heat exchange efficiency.

3. The utility model discloses in, go out the moisture outside evenly distributed and have the fin, make the adsorption column in heat transfer evenly, the vertical range of fin, the loading and the uninstallation of the adsorbent of being convenient for.

4. In the utility model, the fins are divided into a plurality of sections and connected to the outer sides of the water outlet branch pipes; adjacent section the fin dislocation set, the purpose plays the effect of secondary distribution to gas, and the bulk heating effect is better simultaneously.

5. The utility model discloses in, cylinder upper portion, middle part, lower part all are equipped with the thermometer installing port that is used for installing the thermometer for detect the temperature in the cylinder, guarantee safe, the steady operation of equipment.

6. The utility model discloses in, be provided with the lock ring in the cylinder for the auxiliary stay goes out water and divides the pipe, goes out water and divides the pipe to pass through the lock ring to be fixed inside the cylinder.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion B of fig. 1.

Fig. 4 is an enlarged view of a portion a of an adsorption column according to another embodiment.

Fig. 5 is an enlarged view of a portion B of the adsorption column according to another embodiment.

Fig. 6 is a partial structural view of the water outlet branched pipe provided with fins (provided with the water inlet branched pipe inside).

Fig. 7 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 6.

Wherein, 1, column; 2. an adsorbent; 3. an air inlet; 4. an adsorbent discharge port; 5. an air outlet; 6. an adsorbent fill port; 7. a water inlet; 8. a water outlet; 9. a water inlet main pipe; 10. a water outlet main pipe; 11. water inlet branch pipes; 12. a water outlet branch pipe; 13. a fin; 14. a thermometer mounting port; 15. a support ring; 11.1, opening; 12.1, blind end.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example 1

A novel adsorption column belongs to the technical field of waste gas treatment equipment and comprises a column body 1 filled with an adsorbent 2, wherein the bottom of the column body 1 is provided with an air inlet 3 and an adsorbent outlet 4; the top is equipped with gas outlet 5 and adsorbent filler mouth 6, water inlet 7 and delivery port 8 have been seted up to the lower part of cylinder 1, water inlet 7 is connected with into water female pipe 9 towards 1 inboard of cylinder, the outside cover of female pipe 9 that intakes is equipped with out water female pipe 10, female pipe 9 that intakes has a plurality of minutes of intaking 11 to the inside top extension of cylinder 1, the branch of intaking 11 tops is opening 11.1, the branch of intaking 11 outside covers is equipped with out water branch pipe 12, it is blind end 12.1 to go out water branch pipe 12 tops, it collects to go out water female pipe 10 to go out water branch pipe 12 bottoms, go out water female pipe 10 and connect delivery port 8.

In this embodiment, as a most basic implementation manner, referring to fig. 1-3, when the adsorbent 2 is heated or cooled in the adsorption column, a fluid medium with a corresponding temperature is introduced into a water inlet mother tube 9 of the adsorption column, and the fluid sequentially passes through the water inlet mother tube 9, a water inlet branch tube 11, a water outlet branch tube 12, and a water outlet mother tube 10, so as to perform a heat exchange process on the adsorption column, where the fluid usually adopts pure water. Specifically, the method comprises the following steps: fluid with a certain temperature enters the water inlet main pipe 9 from the water inlet 7, and because the other end of the water inlet main pipe 9 is a blind end 12.1, the fluid enters the water inlet branch pipe 11 from the water inlet main pipe 9, overflows to the water outlet branch pipe 12 from an outlet at the top of the water inlet branch pipe 11, finally downwards converges to the water outlet main pipe 10 and then is discharged out of the column body 1 from the water outlet 8, and the heat exchange process is realized.

Example 2

The embodiment is further optimized in embodiment 1, and the difference lies in that fins 13 are connected to the outer sides of the water outlet branch pipes 12, and the fins 13, the water inlet main pipes 9, the water inlet branch pipes 11, the water outlet branch pipes 12 and the water outlet main pipes 10 are made of metal materials with good heat conduction performance, so that the heat exchange efficiency is improved.

Example 3

Compared with the embodiment 1-2, the present embodiment is different in that fins 13 are uniformly distributed on the outer side of the water outlet pipe 12, the fins 13 are vertically arranged, and referring to fig. 4 or 5, the vertically arranged fins 13 facilitate the addition of the adsorbent 2.

Example 4

Compared with the embodiment 1-3, the difference of this embodiment is that the fins 13 are divided into a plurality of sections and connected to the outer side of the water outlet branch pipe 12, in actual production, the fins 13 can be divided into a plurality of sections according to the height of the column 1, and referring to fig. 6, the fins 13 are uniformly welded to the outer side of the water outlet branch pipe 12 in a radial shape.

Example 5

Compared with the embodiments 1 to 4, the present embodiment is different in that the fins 13 of adjacent segments are arranged in a staggered manner, and with reference to fig. 6, the heat exchange efficiency is improved.

Example 6

This embodiment is different from embodiments 1 to 5 in that the upper, middle and lower portions of the column body 1 are provided with thermometer mounting ports 14 for mounting thermometers.

Example 7

This embodiment is different from embodiment 6 in that the outlet branch pipe 12 is fixed inside the column body 1 by a support ring 15.

Example 8

This embodiment is a preferred embodiment, and the technical solution is further described by taking an adsorption column of a certain type designed by this company as an example.

The adsorption column comprises a column body 1 filled with an adsorbent 2, and referring to fig. 1, 4 and 5, the bottom of the column body 1 is provided with an air inlet 3 and an adsorbent outlet 4; the top is equipped with gas outlet 5 and adsorbent filler mouth 6, water inlet 7 and delivery port 8 have been seted up to the lower part of cylinder 1, water inlet 7 is connected with into water female pipe 9 towards 1 inboard of cylinder, the outside cover of female pipe 9 of intaking is equipped with out water female pipe 10, female pipe 9 of intaking has a plurality of minutes pipes 11 of intaking to 1 inside top extension of cylinder, it is opening 11.1 to intake minute pipe 11 top, the outside cover of minute pipe 11 of intaking is equipped with out water minute pipe 12, it is 12.1 for the cecum 12.1 to go out the top of minute pipe 12, it collects to go out water female pipe 10 to go out water minute pipe 12 bottom, go out water female pipe 10 and connect delivery port 8.

In this embodiment, fins 13 are connected to the outer side of the water outlet branched pipe 12, referring to fig. 6-7, fins 13 are uniformly distributed on the outer side of the water outlet branched pipe 12, the fins 13 are vertically arranged, the fins 13 are divided into a plurality of sections and connected to the outer side of the water outlet branched pipe 12, the fins 13 of adjacent sections are arranged in a staggered manner, and a fin type heat exchange pipe structure is adopted to greatly increase the heat exchange area in a unit volume in the column body 1 and increase the heating rate; meanwhile, the heating area of the fin heat exchange tube is large enough, and the column body 1 does not need to be externally provided with a jacket half tube for heating, so that the manufacturing difficulty of the adsorption column can be reduced, and the production cost is reduced.

In this embodiment, the upper portion, the middle portion and the lower portion of the column body 1 are provided with thermometer mounting openings 14 for detecting the temperature inside the column body 1.

In this embodiment, the outlet branch pipe 12 is fixed inside the column body 1 by a support ring 15.

Claims (7)

1. A novel adsorption column is characterized in that: comprises a column body (1) filled with an adsorbent (2), wherein the bottom of the column body (1) is provided with an air inlet (3) and an adsorbent outlet (4); the top is equipped with gas outlet (5) and adsorbent filler mouth (6), water inlet (7) and delivery port (8) have been seted up to the lower part of cylinder (1), water inlet (7) are connected with into female pipe (9) of intaking towards cylinder (1) inboard, the outside cover of female pipe (9) of intaking is equipped with out female pipe (10), female pipe (9) of intaking has a plurality of minutes of intaking (11) to extending above cylinder (1) inside, it is opening (11.1) to intake branch pipe (11) top, the outside cover of branch pipe (11) of intaking is equipped with out branch pipe (12), it is blind end (12.1) to go out branch pipe (12) top, it collects to the female pipe (10) of going out to go out branch pipe (12) bottom, delivery port (8) are connected in the female pipe (10) of going out water.

2. The novel adsorption column of claim 1, wherein: the outer side of the water outlet pipe (12) is connected with a fin (13).

3. The new adsorption column of claim 2, wherein: fins (13) are uniformly distributed on the outer side of the water outlet pipe (12), and the fins (13) are vertically arranged.

4. The new adsorption column of claim 3, wherein: the fins (13) are divided into a plurality of sections and connected to the outer sides of the water outlet branched pipes (12).

5. The novel adsorption column of claim 4, wherein: the fins (13) of adjacent sections are arranged in a staggered manner.

6. A novel adsorption column according to any one of claims 1 to 5, wherein: thermometer installing openings (14) are formed in the upper portion, the middle portion and the lower portion of the column body (1).

7. The novel adsorption column of claim 6, wherein: the water outlet pipe (12) is fixed in the column body (1) through a support ring (15).

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