CN219252146U - Vertical adsorption and desorption bed - Google Patents
Vertical adsorption and desorption bed Download PDFInfo
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- CN219252146U CN219252146U CN202320113491.5U CN202320113491U CN219252146U CN 219252146 U CN219252146 U CN 219252146U CN 202320113491 U CN202320113491 U CN 202320113491U CN 219252146 U CN219252146 U CN 219252146U
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- desorption bed
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Abstract
The utility model provides a vertical adsorption and desorption bed, which comprises an adsorption and desorption bed main body, a movable screen and a grid; one side of the adsorption and desorption bed main body is connected with an upper flow equalizing pipeline, the bottom is connected with a lower flow equalizing pipeline, the upper flow equalizing pipeline is communicated with an adsorption air inlet valve and a desorption air outlet valve, and the lower flow equalizing pipeline is communicated with the desorption air inlet valve and the adsorption air outlet valve; the adsorption and desorption bed main body is provided with a containing cavity, and the upper flow equalizing pipeline and the lower flow equalizing pipeline are both communicated with the containing cavity; the grids are uniformly and symmetrically arranged in the accommodating cavity at intervals, an installation space is formed between every two layers of grids, a gas channel is formed between every two installation spaces, and the bottoms of the grids are fixed at the bottoms of the accommodating cavities; the movable screen is detachably installed in the installation space, and in the installation space, each layer of grid is correspondingly provided with one layer of movable screen. The movable screen of the device can be detached for cleaning, is simple to install, has high efficiency of the loading mode of the adsorbent which is assembled and disassembled from top to bottom, has good adsorption and desorption effects, and has good application prospect.
Description
Technical Field
The utility model relates to the field of waste gas purification treatment, in particular to a vertical adsorption and desorption bed.
Background
In industrial production, a large amount of waste gas can be generated, the waste gas contains sticky particles, waste gas emission cannot be directly carried out, the granular adsorbent bed without desorption regeneration function is commonly used in industry, the occupied space of the adsorbent bed is large, the used granular adsorbent can be used only once, the regeneration requirement cannot be met, and the waste gas treatment cost is too high.
When the traditional adsorption and desorption bed is used for replacing the particle adsorbent, the screen cloth is inconvenient to replace due to the narrow internal space of the device. In addition, the residual sticky particles contained in the exhaust gas adhere to or clog the screen, making the screen difficult to clean and easy to clog again in a short time.
The conventional desorbable adsorbent beds generally adopt honeycomb block activated carbon or other block adsorbents, but each time the adsorbent is replaced, the adsorbent blocks are required to be taken out, the inside of the equipment is cleaned, and then the new adsorbent is orderly stacked and filled, or a plurality of drawer modules are adopted for replacing one by one, so that the time and labor are very consumed.
The prior art CN208049668U discloses a multifunctional fixed bed type adsorption device, which adopts an adsorption-desorption integrated design, so that the adsorption device has an adsorption function and an on-line desorption regeneration function, and the two filters can pretreat adsorption and desorption gases. However, the filter of the device is fixedly arranged in the device, when the filter is blocked by viscous particles in the waste gas, the filter can not be completely cleaned only by means of a desorption function, and the adsorption effect can be obviously reduced after long-time use, so that the use is affected.
The prior art CN113230821A discloses an active carbon adsorption device suitable for large air volume and low occupied area, the side surface of an inner cylinder of the active carbon adsorption device is surrounded by double layers of grids, adsorption medium active carbon is filled in the space between the double layers of grids, a vibrating device is arranged at a discharge opening of the active carbon adsorption device, viscous substances adhered to the inner cylinder are discharged through the vibrating device, but after the adsorption device is used for a long time, the residual accumulation of the viscous substances is increased, and the inner cylinder is not thoroughly cleaned only due to the vibrating device, so that the adsorption effect of the device is affected.
Disclosure of Invention
The utility model aims to provide a vertical adsorption and desorption bed, which reduces the occupied area and solves the problem that the screen mesh of the traditional adsorption and desorption bed is fixedly arranged in a device to cause difficult cleaning of viscous substances on the screen mesh.
In order to solve the technical problems, the utility model provides a vertical adsorption and desorption bed, which comprises an adsorption and desorption bed main body, a movable screen and a grid;
one side of the adsorption and desorption bed main body is connected with an upper flow equalizing pipeline, the bottom is connected with a lower flow equalizing pipeline, the upper flow equalizing pipeline is communicated with an adsorption air inlet valve and a desorption air outlet valve, and the lower flow equalizing pipeline is communicated with a desorption air inlet valve and an adsorption air outlet valve;
the adsorption and desorption bed main body is provided with a containing cavity, and the upper flow equalizing pipeline and the lower flow equalizing pipeline are both communicated with the containing cavity;
the grids are uniformly and fixedly arranged in the accommodating cavity at intervals, each pair of grids is provided with an installation space, and a gas channel is formed between two adjacent installation spaces;
two layers of movable screens are arranged in each installation space, and each layer of movable screen is close to the inner side of one layer of grille respectively.
Compared with the prior art, the vertical adsorption and desorption bed provided by the utility model adopts the detachable movable screen, the installation space formed by the grids forms a fixed adsorption place, the particle adsorbent is filled between the movable screen in the installation space, and the particle adsorbent is ensured not to flow out of the installation space; the grid is fixedly arranged in the accommodating cavity to provide physical support for the movable screen, so that deformation and displacement caused by overlarge force bearing of the movable screen are avoided; the movable screen can be disassembled and taken out for cleaning, so that the movable screen and the particle adsorbent are prevented from being blocked by the adhesive particles, and the adsorption effect of the adsorbent is ensured.
Preferably, a clamping groove for positioning and installing the movable screen is formed in the accommodating cavity, and the length and the size of the movable screen are equal to those of the grille.
Preferably, the top of the adsorption and desorption bed main body is provided with a carbon inlet, and the bottom of the adsorption and desorption bed main body is provided with a carbon outlet. And the carbon unloading efficiency is improved by adopting an upper-in and lower-out carbon loading and unloading mode.
Preferably, the top of the adsorption and desorption bed main body is hinged with a top cover plate, the top cover plate is used for sealing and covering the carbon inlet, and a slidable detachable door plate is arranged on the carbon outlet and used for controlling carbon outlet.
Preferably, the movable screen and the grille are made of stainless steel. The stainless steel is light in weight and low in cost, and is beneficial to reducing the operation difficulty of disassembling the movable screen.
Preferably, the aperture of the movable screen is 2-5mm. The pore size of the movable screen is controlled, so that the particle adsorbent can be effectively kept between the movable screens in the installation space, and the particle adsorbent is prevented from being carried away by gas and appearing in a pipeline or a chimney.
Preferably, the bars of the grille have a diameter of 10-20mm. The rod diameter of the control grating ensures the supporting effect within a certain range and helps to maintain the movable screen in place.
Preferably, a part of the gas channels at the top and bottom of the cavity are provided with sealing baffles for organizing the gas flow through the respective areas in sequence.
Preferably, a maintenance platform is further installed on one side of the adsorption and desorption bed main body, on which the upper flow equalizing pipeline is installed, and is used for providing a place for observing and maintaining the pipeline. And the pipeline is convenient for workers to observe and maintain.
Preferably, one side of the adsorption and desorption bed main body provided with the upper flow equalizing pipeline is also provided with a detection window for observing the adhesion condition of the movable screen and the particle adsorbent.
The utility model has the following beneficial effects:
firstly, a plurality of grid layers are adopted to form a plurality of installation spaces, and the movable screen is detachably arranged in the installation spaces, so that the movable screen is conveniently taken out for cleaning, the movable screen is ensured to be blocked due to no adhesion of sticky particles, and the adsorption effect of the adsorbent is improved;
secondly, a plurality of installation spaces are formed to be filled with particle adsorbents, so that the thickness of the gas adsorption layer is reduced, the air speed of the gas passing through the adsorption layer is reduced, and the adsorption effect is further improved;
and thirdly, the desorption air inlet valve is arranged below, the desorption air outlet valve is arranged above, and the direction of the desorption air inlet valve is opposite to that of the adsorption air flow, so that the waste gas desorption effect is further improved, the desorption air flow is hot air flow, the density of the hot air flow is small, and the self-rising of the hot air flow is beneficial to improving the waste gas desorption efficiency.
Drawings
FIG. 1 is a left side view of a vertical adsorption and desorption bed according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of a vertical adsorption and desorption bed according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the installation of a movable screen of a vertical adsorption and desorption bed according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a vertical adsorption and desorption bed grid according to an embodiment of the present utility model;
fig. 5 is a schematic view of a maintenance platform and inspection window of a vertical adsorption and desorption bed according to an embodiment of the present utility model.
Reference numerals illustrate:
1-an adsorption and desorption bed body; 2-a movable screen; 3-grating; 4-an upper flow equalizing pipeline; 5-a lower flow equalizing pipeline; 6-adsorbing an air inlet valve; 7-an adsorption gas outlet valve; 8-desorbing an air inlet valve; 9-a desorption air outlet valve; 10-a cavity; 11-installation space; 12-gas channel; 13-a carbon inlet; 14-a carbon outlet; 15-top cover plate; 16-door panels; 17-sealing baffle; 18-a maintenance platform; 19-inspection window.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that: like numerals and letters indicate like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, the embodiment of the utility model provides a vertical adsorption and desorption bed, which comprises an adsorption and desorption bed main body 1, a movable screen 2 and a grid 3;
the adsorption and desorption bed main body 2 is a vertical cabinet body and is provided with a hollow containing cavity 10, one side of the adsorption and desorption bed main body 1 is connected with an upper flow equalizing pipeline 4, the upper flow equalizing pipeline 4 is simultaneously connected with an adsorption air inlet valve 6 and a desorption air outlet valve 9, the bottom of the adsorption and desorption bed main body 1 is connected with a lower flow equalizing pipeline 5, and the lower flow equalizing pipeline 5 is connected with a desorption air inlet valve 8 and an adsorption air outlet valve 7; the bottom of the adsorption and desorption bed main body 1 is in a cone shape with a downward vertex angle, a carbon outlet 14 is also arranged at the vertex angle, during carbon outlet, the particle adsorbent automatically flows to the carbon outlet 14 due to gravity, the carbon outlet efficiency is improved, a door plate 16 which can be slidably detached is arranged on the carbon outlet 14, and the door plate 16 covers the carbon outlet 14 to prevent the particle adsorbent from flowing out during the operation of the device; the top of the adsorption and desorption bed main body 1 is provided with a carbon inlet 13, one side of the top of the adsorption and desorption bed main body 1 is hinged with a top cover plate 15, and the top cover plate 15 is used for sealing and covering the carbon inlet 13;
a plurality of layers of grids 3 are symmetrically arranged in the containing cavity 10 of the adsorption and desorption bed main body 1, the grids 3 are made of stainless steel, the diameters of the transverse strips are 10-20mm, the grids 3 are welded in the containing cavity 10, an installation space 11 is formed between every two layers of grids 3, a layer of movable screen 2 is arranged in the installation space 11, corresponding to the clamping grooves of each layer of grids 3, the aperture of the movable screen 2 is 2-5mm, and the particle adsorbent can be prevented from flowing out of the holes of the movable screen 2, so that the adsorption effect is influenced; the grid 3 adopts large-diameter transverse bars and is welded in the accommodating cavity 10, so that a powerful physical support can be formed for the movable screen 2, and the movable screen 2 is further fixed;
the gas channels 12 are formed between the installation spaces 11 and used for gas flow circulation, the gas channels 12 at the top and the bottom of the containing cavity 10 are respectively provided with a sealing baffle 17, and the sealing baffles 17 can separate a part of the gas channels 12 from the upper flow equalizing pipeline 4 and the lower flow equalizing pipeline 5, so that the tissue gas flows sequentially pass through the corresponding adsorption areas or the gas channels 12 in a certain flow direction, and the adsorption or desorption effect is realized;
referring to fig. 5, a maintenance platform 18 and a inspection window 19 are welded and installed on one side of the adsorption and desorption bed body 1, and a worker can observe and maintain the pipeline on the maintenance platform 18 and observe the adhesion condition of the viscous material after the movable screen is used through the inspection window 19.
Before the vertical adsorption and desorption bed provided by the utility model operates, the top cover plate 15 is opened firstly, the movable screen 2 is inserted and installed in the installation space 11 between every two layers of grids 3, and each layer of the movable screen 2 is correspondingly installed on each layer of grid 3, in the embodiment, each layer of movable screen 2 is divided into two parts, so that the movable screen 2 is conveniently inserted into the clamping groove of the accommodating cavity 10 of the adsorption and desorption bed main body 1;
referring to fig. 1, 2, 3 and 4, pouring activated carbon or other adsorbents into a corresponding carbon inlet 13 at the top of an installation space 11, then installing a sealing baffle 17, covering a top cover plate 15 and a door plate 16 on a carbon outlet 14 at the bottom of an adsorption and desorption bed main body 1, wherein the vertical adsorption and desorption bed is in a sealing state, opening an adsorption air inlet valve 6 and an adsorption air outlet valve 7, enabling waste gas to enter an upper flow equalizing pipeline 4 from the adsorption air inlet valve 6 to form uniform air flow, enabling the air flow to pass through a grid 3 and then pass through a movable screen 2, enabling the air flow to enter the installation space 11 and be adsorbed by the particle adsorbents, and enabling the adsorbed air flow to the adsorption air outlet valve 7 to flow out of the vertical adsorption and desorption bed;
after the adsorption saturation, the adsorption air inlet valve 6 and the adsorption air outlet valve 7 are closed, the desorption air inlet valve 8 and the desorption air outlet valve 9 are opened, desorption gas flows in from the desorption air inlet valve 8 at the bottom of the adsorption and desorption bed main body 1 and flows through the lower flow equalizing pipeline 5 to form uniform airflow, at the moment, the desorption airflow and the adsorption airflow flow direction are opposite, organic waste gas adsorbed by the particle adsorbent is desorbed, and the desorption substance flows out of the vertical adsorption and desorption bed from the desorption air outlet valve 9 along with the desorption airflow, so that the adsorbent is reused;
after the vertical adsorption and desorption bed is used for a long time, a carbon receiving trolley can be placed below the carbon outlet 14, the door plate 16 at the carbon outlet 14 is opened, the particle adsorbent falls into the carbon receiving trolley under the action of gravity until the particle adsorbent in the adsorption and desorption bed main body 1 is completely discharged, the movable screen 2 is pulled out by opening the top cover plate 15 of the vertical adsorption and desorption bed, and the pulled movable screen 2 can be cleaned and then assembled into the accommodating cavity 10 of the adsorption and desorption bed main body 1.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. The vertical adsorption and desorption bed is characterized by comprising an adsorption and desorption bed main body (1), a movable screen (2) and a grid (3);
one side of the adsorption and desorption bed main body (1) is connected with an upper flow equalizing pipeline (4), the bottom is connected with a lower flow equalizing pipeline (5), the upper flow equalizing pipeline (4) is communicated with an adsorption air inlet valve (6) and a desorption air outlet valve (9), and the lower flow equalizing pipeline (5) is communicated with a desorption air inlet valve (8) and an adsorption air outlet valve (7);
the adsorption and desorption bed main body (1) is provided with a containing cavity (10), and the upper flow equalizing pipeline (4) and the lower flow equalizing pipeline (5) are both communicated with the containing cavity (10);
the grids (3) are uniformly and fixedly arranged in the accommodating cavity (10) at intervals, each pair of grids (3) is provided with an installation space (11), and a gas channel (12) is formed between two adjacent installation spaces (11);
two layers of movable screens (2) are arranged in each installation space (11), and each layer of movable screen (2) is close to the inner side of one layer of grille (3) respectively.
2. A vertical adsorption and desorption bed according to claim 1, wherein a clamping groove for positioning and mounting the movable screen (2) is arranged in the accommodating cavity (10), and the length and the size of the movable screen (2) are equal to those of the grid (3).
3. A vertical adsorption and desorption bed according to claim 1, wherein the top of the adsorption and desorption bed body (1) is provided with a carbon inlet (13), and the bottom of the adsorption and desorption bed body (1) is provided with a carbon outlet (14).
4. A vertical adsorption and desorption bed according to claim 3, wherein a top cover plate (15) is hinged to the top of the adsorption and desorption bed main body (1), the top cover plate (15) is used for sealing and covering the carbon inlet (13), and a door plate (16) which can be detached in a sliding manner is arranged on the carbon outlet (14) and is used for controlling carbon.
5. A vertical adsorption-desorption bed according to claim 1, wherein the movable screen (2) and the grille (3) are both made of stainless steel.
6. A vertical adsorption-desorption bed according to claim 5, wherein the pore diameter of the movable screen (2) is 2-5mm.
7. A vertical adsorption-desorption bed according to claim 5, wherein the bars of the grille (3) have a diameter of 10-20mm.
8. A vertical adsorption and desorption bed according to claim 1, wherein sealing baffles (17) are installed in the gas passages (12) at the top and bottom of the vessel (10).
9. A vertical adsorption and desorption bed according to any one of claims 1 to 8 wherein a maintenance platform (18) is also mounted to one side of the adsorption and desorption bed body (1) for providing a location for viewing and maintaining the pipeline.
10. A vertical adsorption and desorption bed according to claim 9, wherein a detection window (19) is further provided on one side of the adsorption and desorption bed body (1) for observing the adhesion condition of the movable screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320113491.5U CN219252146U (en) | 2023-01-16 | 2023-01-16 | Vertical adsorption and desorption bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320113491.5U CN219252146U (en) | 2023-01-16 | 2023-01-16 | Vertical adsorption and desorption bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219252146U true CN219252146U (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320113491.5U Active CN219252146U (en) | 2023-01-16 | 2023-01-16 | Vertical adsorption and desorption bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219252146U (en) |
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2023
- 2023-01-16 CN CN202320113491.5U patent/CN219252146U/en active Active
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