CN210495871U - Alkaline washing tower and exhaust gas treatment system - Google Patents
Alkaline washing tower and exhaust gas treatment system Download PDFInfo
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- CN210495871U CN210495871U CN201920285114.3U CN201920285114U CN210495871U CN 210495871 U CN210495871 U CN 210495871U CN 201920285114 U CN201920285114 U CN 201920285114U CN 210495871 U CN210495871 U CN 210495871U
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Abstract
The utility model provides an alkaline washing tower and a waste gas treatment system, which relate to the technical field of industrial waste gas treatment, the alkaline washing tower provided by the utility model comprises a tower body, a gas outlet arranged at the top end of the tower body, a gas inlet arranged on the side wall of the tower body, an alkaline solution spraying device arranged between the gas inlet and the gas outlet, and an alkaline solution circulating device, the alkali liquor circulating device is used for recycling the alkali liquor falling to the bottom of the tower body to the alkali liquor spraying device for recycling, and also comprises a gas sensor arranged at the gas outlet and an automatic feeding device, the automatic feeding device is connected with an alkali liquor inlet arranged on the side wall of the tower body, and also comprises a control system, the control system is in signal connection with the gas sensor and can control the opening and closing of the device. The utility model discloses can carry out real-time supervision to impurity concentration to autoloading has the purification efficiency height, characteristics that the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of industrial waste gas treatment technique and specifically relates to an alkaline wash tower and exhaust-gas treatment system are related to.
Background
The industrial production is often accompanied with a large amount of waste gas, the quality of gas required by production is greatly influenced by the existence of the waste gas, the industrial gas containing sulfide, carbon dioxide and the like is generally cleaned in an alkali washing mode, namely, the industrial gas containing the waste gas is in countercurrent contact with dilute alkali liquor to remove impurities such as hydrogen sulfide, carbon dioxide and the like, the concentration of the required alkali liquor is gradually reduced in the using process, the purifying effect is generally lost when the concentration reaches 2% -3%, the alkali liquor needs to be replaced, if the replacement is not timely, the impurities are easily caused to enter the next procedure, and if the replacement is frequent, the production cost and the labor cost are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alkaline washing tower and set up this alkaline washing tower's exhaust treatment system has solved the technical problem that the alkali lye that exists supplyes the defect among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an alkaline washing tower, including the tower body, still including setting up the gas outlet and the setting on tower body top are in air inlet on the tower body lateral wall still is including setting up the air inlet with alkali lye spray set between the gas outlet still includes alkali lye circulating device, alkali lye circulating device is used for falling extremely the alkali lye of tower body bottom is retrieved extremely alkali lye spray set department recycles, still is including setting up gas outlet department's gas sensor still includes autoloading device, autoloading device is in with the setting alkali lye entry linkage on the lateral wall of tower body still includes control system, control system with gas sensor signal connects, and steerable alkali lye spray set alkali lye circulating device automatic material feeder's the opening and close.
Preferably, the gas sensor is a carbon dioxide sensor.
Preferably, the gas sensor is a hydrogen sulfide sensor.
Preferably, the alkali liquor spraying device comprises a first spraying device, a second spraying device and a third spraying device which are arranged in the tower body in a layered manner from top to bottom.
Preferably, the first spraying device, the second spraying device and the third spraying device respectively comprise an alkali liquor injection pipe and a spraying pipe connected with the alkali liquor injection pipe through a pipeline, and the spraying pipe is further provided with a nozzle.
Preferably, the spray pipe is cross-shaped, the inner cavities of the spray pipe are communicated, and the spray nozzles are arranged at the end parts of the spray pipe.
Preferably, the alkali liquor circulating device comprises a return pipe, wherein the return pipe is connected with an alkali liquor outlet arranged at the bottom of the tower body and is communicated with the alkali liquor injection pipe through a water pump.
Preferably, a supporting device is arranged at the bottom of the alkaline washing tower, the supporting device comprises four supporting legs which are arranged in a rectangular shape, and a supporting plate is fixedly arranged at the bottom of each supporting leg.
Preferably, the bottom of the supporting plate is detachably provided with a caster.
The utility model also provides a waste gas recovery device, including the caustic wash tower, the caustic wash tower be as above the caustic wash tower.
The utility model provides an alkaline washing tower is provided with gas sensor in gas outlet department, can carry out concentration detection to the industrial gas who discharges out, when impurity concentration reaches a certain degree, control system can control automatic feeding carries out the pay-off, and is simple and convenient, in addition, through setting up multilayer spray set and packing layer, make alkali lye and gaseous abundant reaction, purifying effect is better, still can dismantle in the strutting arrangement bottom and be provided with the truckle, be convenient for remove, and can decide whether to set up the truckle according to actual conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a caustic washing tower provided by the present invention;
fig. 2 is a schematic structural view of the spraying device provided by the present invention.
In the figure: 1. a tower body; 2. an air outlet; 3. an air inlet; 4. a gas sensor; 5. an alkali liquor inlet; 6. A first spraying device; 7. a second spraying device; 8. a third spraying device; 9. an alkali liquor outlet; 10. a support device; 11. a filler layer; 12. a normal pressure manhole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
This embodiment provides an alkaline washing tower and is provided with exhaust gas treatment system of this alkaline washing tower, can carry out real-time supervision to impurity concentration to autoloading has the purification efficiency height, the characteristics that the practicality is strong.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1, the alkaline washing tower provided by the utility model comprises a tower body 1, an air outlet 2 arranged at the top end of the tower body 1, an air inlet 3 arranged on the side wall of the tower body 1, an alkaline liquor spraying device arranged between the air inlet 3 and the air outlet 2, and an alkaline liquor circulating device, the alkali liquor circulating device (not shown in the figure and described in the following) is used for recycling alkali liquor falling to the bottom of the tower body 1 to the alkali liquor spraying device for recycling, and also comprises a gas sensor 4 arranged at the gas outlet 2, an automatic feeding device (not shown in the figure) which is connected with an alkali liquor inlet 5 arranged on the side wall of the tower body 1, and a control system which is in signal connection with the gas sensor 4, and the opening and closing of the alkali liquor spraying device, the alkali liquor circulating device and the automatic feeding device can be controlled and controlled.
When the alkaline washing tower is used, industrial gas enters from the gas inlet 3 arranged at the lower part of the tower bottom and reacts with the alkaline liquor sprayed by the alkaline liquor spraying device to remove impurities such as hydrogen sulfide and carbon dioxide, the impurities are discharged from the gas outlet 2 at the top end of the tower body 1 and enter the next process, the alkaline liquor falling into the bottom of the tower body 1 returns to the spraying device again through the alkaline liquor circulating device and is sprayed out through the spraying device to finish the recycling, and the alkaline liquor used by the alkaline washing tower is generally sodium hydroxide solution.
In this embodiment, be provided with gas sensor 4 in gas outlet 2 department, can carry out concentration detection to the gas that discharges out, when gas concentration reaches a certain degree, it is lower to explain the concentration of alkali lye, need to increase the concentration of alkali lye, the sensor sends the concentration signal of gas to control system this moment, control system control automatic feeding adds sodium hydroxide or high concentration sodium hydroxide solution to tower body 1 in, thereby increase the concentration of alkali lye, if the concentration of impurity maintains higher level always, explain that the alkali wash tower breaks down, need the maintenance, control system can control the alkali wash tower stop work this moment, accomplish until restoreing.
In the preferred embodiment of the present invention, the gas sensor 4 is a carbon dioxide sensor, and besides, it can also be a hydrogen sulfide sensor, or two sensors are simultaneously provided, so as to monitor the gas concentration in real time and transmit the signal to the control system.
Optimally, the alkali liquor spraying device comprises a first spraying device 6, a second spraying device 7 and a third spraying device 8 which are arranged in the tower body 1 from top to bottom in a layered mode, and industrial gas containing impurities is in countercurrent contact with alkali liquor for many times so as to be fully reacted, so that the purification efficiency of alkali washing is greatly improved.
Specifically, first spray set 6, second spray set 7, third spray set 8 all include the alkali lye filling pipe, still include the shower with alkali lye filling pipe tube coupling, still are provided with the nozzle on the shower, and the alkali lye filling pipe is connected with alkali lye circulating device, sprays alkali lye to tower body 1 inside via the water spray on the shower.
Referring to fig. 2, the spray pipes are cross-shaped and formed by two crossed pipelines, the inner cavities of the pipelines are communicated, the three end parts of the spray pipes are provided with nozzles, in addition, the middle part of the spray pipe communicated with the alkali liquor injection pipe is also provided with a nozzle, the four nozzles form a rectangular structure, the alkali liquor is sprayed in a downward divergent mode, and the reaction rate and the purification effect are effectively increased.
It should be noted that, a packing layer 11 is arranged above each spray pipe, a hollow ball packing is arranged, a packing layer 11 is also arranged below the third spray device which is positioned at the lowest part, the four packing layers 11 divide the inner cavity of the tower body 1 into three layers, each layer comprises one spray device, and each layer is provided with a normal pressure manhole 12 for workers to enter.
The alkali liquor circulating device comprises a return pipe, the return pipe is connected with an alkali liquor outlet 9 arranged at the bottom of the tower body 1 and is communicated with an alkali liquor injection pipe through a water pump, and the alkali liquor at the bottom of the tower body 1 can be pumped to the spraying device again for recycling.
Optimized, the bottom of the alkaline washing tower is provided with a supporting device 10, the supporting device 10 comprises four supporting legs which are arranged in a rectangular shape, and each supporting leg bottom is fixedly provided with a supporting plate, so that the supporting function of the supporting legs is stronger and more stable, the supporting plate is further provided with a mounting hole, and the supporting device can be used in the fixed mounting process.
The bottom of the supporting plate can be detachably provided with the trundles, whether the trundles are installed or not can be determined according to actual conditions, the trundles are installed to be convenient to move, and meanwhile, the stability can be relatively reduced.
The present embodiments also provide an exhaust gas treatment system comprising a caustic tower as described above.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The alkaline tower is characterized by comprising a tower body (1), a gas outlet (2) arranged at the top end of the tower body (1), a gas inlet (3) arranged on the side wall of the tower body (1), an alkaline liquor spraying device arranged between the gas inlet (3) and the gas outlet (2), an alkaline liquor circulating device, a gas sensor (4) arranged at the gas outlet (2), an automatic feeding device, a control system and an alkaline liquor inlet (5) arranged on the side wall of the tower body (1), wherein the automatic feeding device is connected with the alkaline liquor inlet (5) arranged on the side wall of the tower body (1), and is connected with the gas sensor (4) in a signal mode and can control the alkaline liquor spraying device, And opening and closing the alkali liquor circulating device and the automatic feeding device.
2. The caustic tower according to claim 1, wherein said gas sensor (4) is a carbon dioxide sensor.
3. The caustic tower according to claim 1, wherein said gas sensor (4) is a hydrogen sulfide sensor.
4. The alkaline tower according to claim 1, wherein the alkaline spray device comprises a first spray device (6), a second spray device (7) and a third spray device (8) which are arranged in the tower body (1) in layers from top to bottom.
5. The alkaline tower according to claim 4, wherein the first spraying device (6), the second spraying device (7) and the third spraying device (8) comprise an alkaline injection pipe and a spraying pipe connected with the alkaline injection pipe, and the spraying pipe is provided with a nozzle.
6. A caustic tower according to claim 5, wherein said spray pipes are cross-shaped, communicating with each other, and said nozzles are provided at the end of said spray pipes.
7. A caustic tower according to claim 5, characterized in that said lye circulating means comprises a return conduit connected to a lye outlet (9) arranged at the bottom of said tower (1) and communicating with said lye injection conduit via a water pump.
8. The alkaline tower according to claim 1, characterized in that the bottom of the alkaline tower is provided with a support device (10), and the support device (10) comprises four support legs arranged in a rectangular shape, and a support plate is fixedly arranged at the bottom of each support leg.
9. The caustic tower of claim 8, wherein casters are removably positioned at the bottom of said support plate.
10. An exhaust gas treatment system comprising a caustic tower, wherein the caustic tower is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285114.3U CN210495871U (en) | 2019-03-06 | 2019-03-06 | Alkaline washing tower and exhaust gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285114.3U CN210495871U (en) | 2019-03-06 | 2019-03-06 | Alkaline washing tower and exhaust gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210495871U true CN210495871U (en) | 2020-05-12 |
Family
ID=70543194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920285114.3U Active CN210495871U (en) | 2019-03-06 | 2019-03-06 | Alkaline washing tower and exhaust gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210495871U (en) |
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2019
- 2019-03-06 CN CN201920285114.3U patent/CN210495871U/en active Active
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