CN215428080U - Waste gas adsorption treatment device of two-way gas distribution - Google Patents
Waste gas adsorption treatment device of two-way gas distribution Download PDFInfo
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- CN215428080U CN215428080U CN202121356750.4U CN202121356750U CN215428080U CN 215428080 U CN215428080 U CN 215428080U CN 202121356750 U CN202121356750 U CN 202121356750U CN 215428080 U CN215428080 U CN 215428080U
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Abstract
The utility model discloses a waste gas adsorption treatment device with bidirectional gas distribution, and belongs to the field of waste gas treatment. The device includes the adsorption tower body, the inner chamber left and right sides symmetry of adsorption tower body is equipped with 4 cloth gas supporting layers of vertical arrangement, is located the packing layer between the cloth gas supporting layer of adsorption tower body both sides, and two adjacent cloth gas supporting layers of adsorption tower body central point position constitute inlet channel, the intake pipe pass through the air inlet valve and link to each other with inlet channel, the both sides of adsorption tower body still are equipped with the pipeline of giving vent to anger, and two pipeline of giving vent to anger all link to each other with concentration monitor and air outlet valve. The utility model greatly reduces the length of the adsorption bed by a bidirectional gas distribution method, effectively reduces the pressure drop of the device, reduces the gas wall flow, reduces the operation cost of the device, increases the adsorption effect and provides an economic and effective solution for the adsorption process with limited floor area.
Description
Technical Field
The utility model relates to the field of waste gas treatment, in particular to a waste gas adsorption treatment device with bidirectional gas distribution.
Background
With the gradual improvement of the economic level of China, the ecological civilization construction has become an important component in the current development and planning, wherein the prevention and treatment work of waste gas is one of the key contents of national concern. At present, the industrial waste gas treatment process in China generally adopts the processes of an absorption method, an adsorption method, a condensation method, a membrane separation method, a catalytic degradation method and the like to realize the separation or harmless removal of harmful components. The adsorption method has the advantages of high treatment efficiency, strong stability, low cost and the like, and is widely applied to the treatment of waste gas with medium and low concentration and large air volume.
In the actual adsorption treatment process, the filling amount of the adsorbent and the filling length of the adsorption bed are key factors influencing the application performance of the adsorption equipment. The use period can be prolonged, the use efficiency can be improved, and the stability of the device can be improved by filling more adsorbents, but the filling length of the adsorption bed is too long and the resistance is too large due to more filling amount, so that the pressure drop of the device is greatly increased; in addition, too high a bed length increases the exhaust wall flow ratio, making the distribution non-uniform. The currently commonly used method of reducing the bed length by increasing the cross-sectional area will greatly increase the cost of the apparatus and increase the floor area of the adsorption column.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a waste gas adsorption treatment device with bidirectional gas distribution, which can solve the problems of high pressure drop and non-uniform waste gas distribution caused by overlong adsorption beds in a common waste gas adsorption device.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a waste gas adsorption treatment device of two-way gas distribution, the device includes the adsorption tower body, the inner chamber left and right sides symmetry of adsorption tower body is equipped with 4 gas distribution supporting layers of perpendicular arrangement, is located the packing layer between the gas distribution supporting layer of adsorption tower body both sides, and two adjacent gas distribution supporting layers of adsorption tower body central point position constitute inlet channel, the intake pipe pass through air inlet valve and link to each other with inlet channel, the both sides of adsorption tower body still are equipped with the pipeline of giving vent to anger, and two pipeline of giving vent to anger all link to each other with concentration monitor and air outlet valve.
The technical scheme of the utility model is as follows: the upper and lower parts of the packing layer are provided with packing loading and unloading ports.
The technical scheme of the utility model is as follows: the air inlet pipe is connected with the air inlet channel through the fan and the air inlet valve in sequence.
In the adsorption tower structure, the adsorption tower body is of a frame structure of the whole adsorption tower and is made of steel, and the whole adsorption tower body is completely sealed except for an inlet and an outlet. Only one air inlet pipeline is arranged and is introduced from the middle of the adsorption tower body. The packing layer comprises two sections of completely consistent packing bed layers which are respectively arranged at two sides of the outlet of the air inlet pipeline and are internally filled with adsorbents such as zeolite, activated carbon, silica gel, adsorption resin and the like. The gas distribution supporting layer is provided with four layers, is positioned at two ends of the two packing layers and is sealed with the tower body through a sealing ring, and plays a role in supporting the packing bed layer and uniformly distributing gas. The two air outlet pipelines are respectively led out from two ends of the adsorption tower body and connected outside the tower, so that the discharged waste gas is converged. The filler loading and unloading port is arranged on the part of the adsorption tower body corresponding to the filler layer, and the bed layer filler can be replaced after the adsorbent fails through the filler loading and unloading port.
In the auxiliary gas circuit structure, the fan is arranged in front of the adsorption tower and provides sufficient pressure for the waste gas to be treated. And the concentration detector is positioned behind the adsorption tower and used for monitoring the exhaust emission concentration in real time. The air inlet valve is arranged between the fan and the adsorption tower, the air outlet valve is arranged behind the concentration detector, and the air inlet valve and the air outlet valve are used for controlling the adsorption device to be used and stopped. The parts are connected through stainless steel gas path pipes.
The utility model has the beneficial effects that:
the utility model greatly reduces the length of the adsorption bed through which the gas flows by a bidirectional gas distribution method, effectively reduces the pressure drop of the device, reduces the gas wall flow, reduces the operation cost of the device, increases the adsorption effect and provides an economic and effective solution for the adsorption process with limited floor space.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for adsorbing and treating exhaust gas with bi-directional gas distribution according to an embodiment of the present invention;
the numbers in the figure illustrate the following: 1 fan, 2 air inlet valves, 3 gas distribution supporting layers, 4 packing layers, 5 packing loading and unloading ports, 6 concentration monitors, 7 gas outlet valves, 8 adsorption tower bodies, 9 air inlet channels and 10 gas outlet pipelines.
Detailed Description
The utility model is further illustrated by the following examples, without limiting the scope of the utility model:
as shown in fig. 1, a two-way gas distribution's waste gas adsorption treatment device, the device includes adsorption tower body 8, the inner chamber left and right sides symmetry of adsorption tower body 8 is equipped with 4 gas distribution supporting layers 3 of vertical arrangement, is located packing layer 4 between the gas distribution supporting layer 3 of adsorption tower body 8 both sides, and two adjacent gas distribution supporting layers 3 of adsorption tower body 8 central point department constitute inlet channel 9, the intake pipe pass through inlet valve 2 and link to each other with inlet channel 9, adsorption tower body 8's both sides still are equipped with outlet pipe way 10, and two outlet pipe way 10 all link to each other with concentration monitor 6 and outlet valve 7. The upper part and the lower part of the packing layer 4 are provided with packing loading and unloading ports 5. The air inlet pipe is connected with the air inlet channel 9 through the fan 1 and the air inlet valve 2 in sequence. 4 air distribution supporting layers 3 which are vertically arranged are symmetrically arranged on the left side and the right side of an inner cavity of the adsorption tower body 8.
In the adsorption tower structure, the adsorption tower body is of a frame structure of the whole adsorption tower and is made of steel, and when the air inlet valve 2 and the air outlet valve 7 are closed, the air pressure drop value of the adsorption tower body 8 is not more than 3% after 1 hour under the air pressure of 1 MPa. The center of the tower body is provided with an air inlet channel 9, so that waste gas to be treated is introduced from the middle of the adsorption tower body. Waste gas enters the tower body, enters the packing layer 4 through the gas distribution supporting layer 3 for adsorption, and then enters the gas outlet pipelines 10 at two ends through the gas distribution supporting layer 3. In this embodiment, the gas distribution support layer 3 is made of ceramic material, and the sealing rings are surrounded around the gas distribution support layer 3 to seal the gas distribution support layer 3 and the tower body, and the gas distribution support layer 3 plays a role in supporting the packing bed layer and uniformly distributing gas. The adsorbent filled in the packing layer 4 is zeolite-based adsorbent, two beds are arranged in total and are respectively arranged at two sides of the tower body, and the filling conditions of the two beds are completely consistent. Two air outlet pipelines 10 are designed, are respectively positioned at two ends of the adsorption tower body 8 and are connected outside the tower, and the adsorption tail gas passing through the two packing layers is collected outside the tower. The filler loading and unloading port 5 is arranged at the part of the adsorption tower body corresponding to the filler layer, and the bed layer filler can be replaced after the adsorbent fails through the filler loading and unloading port.
In the auxiliary gas circuit structure, the fan 1 is installed in front of the adsorption tower to provide sufficient pressure for the waste gas to be treated. And the concentration detector 6 is positioned behind the adsorption tower and used for monitoring the exhaust emission concentration in real time. Air inlet valve 2 is located between fan 1 and adsorption tower 8, and air outlet valve 7 is located concentration detection appearance 6 rear, and two valves are used for controlling this adsorption equipment's use and stop. All parts are connected through stainless steel gas path pipes, waste gas enters an air inlet channel 9 through an air inlet valve 2 after being pressurized through a fan 1, is exhausted from an air outlet pipeline 10 after being adsorbed, and is discharged after passing through a concentration monitor 6 and an air outlet valve 7.
The working process of the waste gas adsorption treatment device with bidirectional gas distribution in the embodiment is as follows:
an air inlet valve 2 and an air outlet valve 7 are opened, a fan 1 is started, waste gas to be treated is led into the adsorption tower, and the waste gas is uniformly divided into two paths in an adsorption tower body 8 and is adsorbed by two 4 packing layers respectively. After adsorption, the mixture is collected and discharged in the outlet line 10.
And when the concentration detector 6 detects the concentration of the adsorbate, the air increasing machine 1, the air inlet valve 2 and the air outlet valve 7 are closed. And after the adsorbent is regenerated or replaced, continuing the adsorption work.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. The utility model provides a waste gas adsorption treatment device of two-way gas distribution which characterized in that: the device includes adsorption tower body (8), the inner chamber left and right sides symmetry of adsorption tower body (8) is equipped with 4 cloth gas supporting layer (3) of vertical arrangement, is packing layer (4) between cloth gas supporting layer (3) that are located adsorption tower body (8) both sides, and two cloth gas supporting layer (3) that adsorption tower body (8) central point put adjacent constitute inlet channel (9), and the intake pipe passes through inlet valve (2) and links to each other with inlet channel (9), the both sides of adsorption tower body (8) still are equipped with pipeline (10) of giving vent to anger, and two pipeline (10) of giving vent to anger all link to each other with concentration monitor (6) and play gas valve (7).
2. The exhaust gas adsorption treatment device with bidirectional gas distribution according to claim 1, characterized in that: the upper part and the lower part of the packing layer (4) are provided with packing loading and unloading ports (5).
3. The exhaust gas adsorption treatment device with bidirectional gas distribution according to claim 1, characterized in that: the air inlet pipe is connected with the air inlet channel (9) sequentially through the fan (1) and the air inlet valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121356750.4U CN215428080U (en) | 2021-06-17 | 2021-06-17 | Waste gas adsorption treatment device of two-way gas distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121356750.4U CN215428080U (en) | 2021-06-17 | 2021-06-17 | Waste gas adsorption treatment device of two-way gas distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215428080U true CN215428080U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121356750.4U Active CN215428080U (en) | 2021-06-17 | 2021-06-17 | Waste gas adsorption treatment device of two-way gas distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215428080U (en) |
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2021
- 2021-06-17 CN CN202121356750.4U patent/CN215428080U/en active Active
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