CN218980984U - Waste gas treatment device containing acid gas and organic matters - Google Patents
Waste gas treatment device containing acid gas and organic matters Download PDFInfo
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- CN218980984U CN218980984U CN202222663755.2U CN202222663755U CN218980984U CN 218980984 U CN218980984 U CN 218980984U CN 202222663755 U CN202222663755 U CN 202222663755U CN 218980984 U CN218980984 U CN 218980984U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides an acid gas and organic matter-containing exhaust treatment device, includes fan, one-level active carbon adsorption case, water spray absorbing device, sodium hypochlorite absorbing device, alkali lye spray absorbing device, defroster, second grade active carbon adsorption case, the gas outlet of fan passes through the pipeline intercommunication with the air inlet of one-level active carbon adsorption case, the gas outlet of one-level active carbon adsorption case passes through the pipeline intercommunication with the air inlet of water spray absorbing device, the gas outlet of water spray absorbing device passes through the pipeline intercommunication with the air inlet of sodium hypochlorite absorbing device, the gas outlet of sodium hypochlorite absorbing device passes through the pipeline intercommunication with the air inlet of alkali lye spray absorbing device, the gas outlet of alkali lye spray absorbing device passes through the pipeline intercommunication with the air inlet of defroster, the gas outlet of defroster passes through the pipeline intercommunication with the air inlet of second grade active carbon adsorption case. The waste gas treatment device containing acidic gas and organic matters can fully absorb the acidic gas, and reduce the consumption of alkali liquor.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device containing acidic gas and organic matters.
Background
There are many sources of exhaust gas, such as combustion of fuel, incineration of garbage, exhaust gas generated in chemical plants during the preparation of chemicals, etc. Among them, the exhaust gas components generated in chemical plants are relatively complex, accompanied by acid gases, organic volatiles, and the like. The acid gas is generally neutralized and absorbed by alkali liquor, and the organic volatile matters or fog drops are subjected to harmless treatment by combustion. The method has low utilization degree of waste gas, industrial waste gas is discharged all the year round, and the treatment method generates more waste in a long term. The alkali liquor absorbs acid gas, so that the consumption of the alkali liquor is high, and meanwhile, when the organic matters contained in the waste gas are less, the condition of combustion cannot be achieved, and the organic matters can be discharged into the atmosphere to cause environmental pollution.
Disclosure of Invention
In view of the above, it is necessary to provide an exhaust gas treatment device containing acidic gases and organic matters which is sufficient in absorption, reduced in alkali liquor consumption, and environmentally friendly.
The utility model provides an acid gas and organic matter-containing exhaust treatment device, includes fan, one-level active carbon adsorption case, water spray absorbing device, sodium hypochlorite absorbing device, alkali lye spray absorbing device, defroster, second grade active carbon adsorption case, the gas outlet of fan passes through the pipeline intercommunication with the air inlet of one-level active carbon adsorption case, the gas outlet of one-level active carbon adsorption case passes through the pipeline intercommunication with the air inlet of water spray absorbing device, the gas outlet of water spray absorbing device passes through the pipeline intercommunication with the air inlet of sodium hypochlorite absorbing device, the gas outlet of sodium hypochlorite absorbing device passes through the pipeline intercommunication with the air inlet of alkali lye spray absorbing device, the gas outlet of alkali lye spray absorbing device passes through the pipeline intercommunication with the air inlet of defroster, the gas outlet of defroster passes through the pipeline intercommunication with the air inlet of second grade active carbon adsorption case.
Preferably, the first-stage activated carbon adsorption box comprises a first-stage box body and two first-stage honeycomb activated carbon layers, wherein the two first-stage honeycomb activated carbon layers are distributed in the first-stage box body up and down.
Preferably, the water spray absorption device comprises a water spray tower, a first packing layer, a first mist removing layer, a water spray pipeline and a water circulating pump, wherein the first packing layer is positioned at the middle end and the lower end of the water spray tower, the first mist removing layer is positioned at the upper end of the water spray tower, a spray head of the water spray pipeline is positioned above the first packing layer, a water inlet of the water spray pipeline is communicated with a water outlet of the water circulating pump, and a water inlet of the water circulating pump is communicated with the bottom of the water spray tower.
Preferably, the sodium hypochlorite absorbing device comprises two sodium hypochlorite spray towers connected in series, a second packing layer, a second mist removing layer, a sodium hypochlorite spray pipeline and a sodium hypochlorite circulating pump, wherein the second packing layer is positioned at the middle end and the lower end of the sodium hypochlorite spray towers, the second mist removing layer is positioned at the upper end of the sodium hypochlorite spray towers, a spray head of the sodium hypochlorite spray pipeline is positioned above the second packing layer, a water inlet of the sodium hypochlorite spray pipeline is communicated with a water outlet of the sodium hypochlorite circulating pump, and a water inlet of the sodium hypochlorite circulating pump is communicated with the bottom of the water spray towers.
Preferably, the alkali liquor spraying and absorbing device comprises two alkali liquor spraying towers, a third packing layer, a third demisting layer, an alkali liquor spraying pipeline and an alkali liquor circulating pump which are connected in series, wherein the third packing layer is positioned at the middle end and the lower end of the alkali liquor spraying towers, the third demisting layer is positioned at the upper end of the alkali liquor spraying towers, a spray head of the alkali liquor spraying pipeline is positioned above the third packing layer, a water inlet of the alkali liquor spraying pipeline is communicated with a water outlet of the alkali liquor circulating pump, and a water inlet of the alkali liquor circulating pump is communicated with the bottom of the alkali liquor spraying towers.
Preferably, the demister comprises a support, a containing tank and an adsorption packing layer, wherein the upper end of the support is fixedly connected with the containing tank, the adsorption packing layer is positioned at the upper end of the containing tank, an air inlet is formed in the lower end of the containing tank, an air outlet is formed in the upper end of the containing tank, and a water outlet is formed in the bottom of the containing tank.
Preferably, the secondary activated carbon adsorption box comprises two secondary boxes, three secondary honeycomb activated carbon layers and a partition plate which are connected in series, the secondary honeycomb activated carbon layers are horizontally arranged in the boxes, the partition plate is arranged at the upper end of one side, close to the air inlet, of the upper secondary honeycomb activated carbon layer, the partition plate is arranged at one side, close to the air outlet, of the upper secondary honeycomb activated carbon layer and the middle secondary honeycomb activated carbon layer, the partition plate is arranged at one side, close to the air inlet, of the middle secondary honeycomb activated carbon layer and the lower secondary honeycomb activated carbon layer, the partition plate is arranged at the lower end of one side, close to the air outlet, of the lower secondary honeycomb activated carbon layer, and the spaces at two sides of the partition plate are all separated.
The beneficial effects are that: the waste gas treatment device containing acidic gas and organic matters adsorbs fog drops with higher boiling points in waste gas through the first-stage active carbon adsorption box, and then adsorbs soluble acidic gas in the waste gas through the water spray absorption device, so that acid liquid formed by dissolving the soluble acidic gas in water can be used in a subsequent process. The acid gas content in the exhaust gas is then already greatly reduced, and the hypochlorous acid formed after adsorption by the sodium hypochlorite absorption unit can be used for disinfection. Then the acid gas in the waste gas can reach the emission standard through the absorption of the alkali liquor spraying and absorbing device, and meanwhile, the concentration of the acid gas is very small when the acid gas passes through the alkali liquor spraying and absorbing device, so that the use of alkali liquor can be effectively reduced. And then the waste gas is absorbed by the demister, the moisture in the waste gas is removed, the temperature of the waste gas is effectively lower after the waste gas passes through the device, and gaseous organic matters in the waste gas are changed into mist and are absorbed by the secondary activated carbon adsorption box and cannot be discharged into the atmosphere.
Drawings
Fig. 1 is a schematic structural view of an exhaust gas treatment device containing acidic gas and organic matters according to the present utility model.
Fig. 2 is a schematic structural diagram of the connection of the primary activated carbon adsorption tank and the water spray absorption device.
FIG. 3 is a schematic diagram of the connection of the demister and the secondary activated carbon adsorption tank.
In the figure: the waste gas treatment device 10 containing acid gas and organic matters, a fan 20, a primary activated carbon adsorption box 30, a primary box 301, a primary honeycomb activated carbon layer 302, a water spray absorption device 40, a water spray tower 401, a first filler layer 402, a first demisting layer 403, a water spray pipeline 404, a water circulation pump 405, a sodium hypochlorite absorption device 50, an alkali liquor spray absorption device 60, a demister 70, a bracket 701, a containing tank 702, an adsorption filler layer 703, a secondary activated carbon adsorption box 80, a secondary box 801, a secondary honeycomb activated carbon layer 802 and a partition 803.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1, an exhaust gas treatment device 10 containing acidic gas and organic matters includes a fan 20, a primary activated carbon adsorption tank 30, a water spray absorber 40, a sodium hypochlorite absorber 50, an alkali liquor spray absorber 60, a demister 70, and a secondary activated carbon adsorption tank 80, wherein an air outlet of the fan 20 is communicated with an air inlet of the primary activated carbon adsorption tank 30 through a pipeline, an air outlet of the primary activated carbon adsorption tank 30 is communicated with an air inlet of the water spray absorber 40 through a pipeline, an air outlet of the water spray absorber 40 is communicated with an air inlet of the sodium hypochlorite absorber 50 through a pipeline, an air outlet of the sodium hypochlorite absorber 50 is communicated with an air inlet of the alkali liquor spray absorber 60 through a pipeline, an air outlet of the alkali liquor spray absorber 60 is communicated with an air inlet of the demister 70 through a pipeline, and an air outlet of the demister 70 is communicated with an air inlet of the secondary activated carbon adsorption tank 80 through a pipeline.
In a preferred embodiment, referring to fig. 2, the primary activated carbon adsorption tank 30 includes a primary tank 301 and two primary honeycomb activated carbon layers 302, where the two primary honeycomb activated carbon layers 302 are vertically distributed in the primary tank 301.
In a preferred embodiment, the water spray absorber 40 includes a water spray tower 401, a first packing layer 402, a first mist removing layer 403, a water spray pipe 404, and a water circulation pump 405, where the first packing layer 402 is located at the middle and lower ends of the water spray tower 401, the first mist removing layer 403 is located at the upper end of the water spray tower 401, a nozzle of the water spray pipe 404 is located above the first packing layer 402, a water inlet of the water spray pipe 404 is communicated with a water outlet of the water circulation pump 405, and a water inlet of the water circulation pump 405 is communicated with the bottom of the water spray tower 401.
In a preferred embodiment, the sodium hypochlorite absorbing device 50 comprises two sodium hypochlorite spray towers connected in series, a second packing layer, a second mist removing layer, a sodium hypochlorite spray pipeline and a sodium hypochlorite circulating pump, wherein the second packing layer is positioned at the middle end and the lower end of the sodium hypochlorite spray towers, the second mist removing layer is positioned at the upper end of the sodium hypochlorite spray towers, a spray head of the sodium hypochlorite spray pipeline is positioned above the second packing layer, a water inlet of the sodium hypochlorite spray pipeline is communicated with a water outlet of the sodium hypochlorite circulating pump, and a water inlet of the sodium hypochlorite circulating pump is communicated with the bottom of the water spray towers 401.
In a preferred embodiment, the alkali liquor spraying and absorbing device 60 comprises two alkali liquor spraying towers, a third packing layer, a third demisting layer, an alkali liquor spraying pipeline and an alkali liquor circulating pump which are connected in series, the third packing layer is positioned at the middle end and the lower end of the alkali liquor spraying towers, the third demisting layer is positioned at the upper end of the alkali liquor spraying towers, a spray head of the alkali liquor spraying pipeline is positioned above the third packing layer, a water inlet of the alkali liquor spraying pipeline is communicated with a water outlet of the alkali liquor circulating pump, and a water inlet of the alkali liquor circulating pump is communicated with the bottom of the alkali liquor spraying towers.
In a preferred embodiment, referring to fig. 3, the demister 70 includes a support 701, a housing tank 702, and an adsorption filler layer 703, wherein the upper end of the support 701 is fixedly connected with the housing tank 702, the adsorption filler layer 703 is located at the upper end of the housing tank 702, an air inlet is disposed at the lower end of the housing tank 702, an air outlet is disposed at the upper end of the housing tank 702, and a water outlet is disposed at the bottom of the housing tank 702.
By providing the mist eliminator 70, the moisture content in the exhaust gas is greatly reduced after the exhaust gas is absorbed by the adsorption packing layer 703, and the adsorption packing layer 703 can adopt sponge, vermiculite and the like having strong water adsorption capacity.
In a preferred embodiment, the secondary activated carbon adsorption tank 80 includes two serially connected secondary tanks 801, three secondary honeycomb activated carbon layers 802 and a partition 803, the secondary honeycomb activated carbon layers 802 are horizontally disposed in the tanks, the partition 803 is disposed at the upper end of one side of the upper secondary honeycomb activated carbon layer 802 close to the air inlet, the partition 803 is disposed at one side of the upper secondary honeycomb activated carbon layer 802 and one side of the middle secondary honeycomb activated carbon layer 802 close to the air outlet, the partition 803 is disposed at one side of the middle secondary honeycomb activated carbon layer 802 and one side of the lower secondary honeycomb activated carbon layer 802 close to the air inlet, the partition 803 is disposed at the lower end of one side of the lower secondary honeycomb activated carbon layer 802 close to the air outlet, and spaces at two sides of the partition 803 are separated.
By providing the partition 803, the air flow can be made to flow in a predetermined direction, so that the contact of the exhaust gas with the honeycomb activated carbon is more sufficient, and the organic matter is more sufficiently absorbed. Specifically, after the air flow enters the activated carbon adsorption box from the air inlet, the air flow passes through the lower ends of the upper honeycomb activated carbon layer and the lower honeycomb activated carbon layer, and then passes through the three honeycomb activated carbon layers and flows out from the air outlet.
The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.
Claims (7)
1. An exhaust treatment device containing acidic gas and organic matters, which is characterized in that: including fan, one-level active carbon adsorption case, water spray absorbing device, sodium hypochlorite absorbing device, alkali lye spray absorbing device, defroster, second grade active carbon adsorption case, the gas outlet of fan passes through the pipeline intercommunication with the air inlet of one-level active carbon adsorption case, and the gas outlet of one-level active carbon adsorption case passes through the pipeline intercommunication with water spray absorbing device's air inlet, and water spray absorbing device's gas outlet passes through the pipeline intercommunication with sodium hypochlorite absorbing device's air inlet, and sodium hypochlorite absorbing device's gas outlet passes through the pipeline intercommunication with alkali lye spray absorbing device's air inlet, and alkali lye spray absorbing device's gas outlet passes through the pipeline intercommunication with the air inlet of defroster, and the gas outlet of defroster passes through the pipeline intercommunication with the air inlet of second grade active carbon adsorption case.
2. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the first-stage activated carbon adsorption box comprises a first-stage box body and two first-stage honeycomb activated carbon layers, wherein the two first-stage honeycomb activated carbon layers are distributed in the first-stage box body up and down.
3. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the water spray absorption device comprises a water spray tower, a first packing layer, a first mist removing layer, a water spray pipeline and a water circulating pump, wherein the first packing layer is positioned at the middle end and the lower end of the water spray tower, the first mist removing layer is positioned at the upper end of the water spray tower, a spray head of the water spray pipeline is positioned above the first packing layer, a water inlet of the water spray pipeline is communicated with a water outlet of the water circulating pump, and a water inlet of the water circulating pump is communicated with the bottom of the water spray tower.
4. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the sodium hypochlorite absorbing device comprises two sodium hypochlorite spray towers connected in series, a second packing layer, a second mist removing layer, a sodium hypochlorite spray pipeline and a sodium hypochlorite circulating pump, wherein the second packing layer is positioned at the middle end and the lower end of the sodium hypochlorite spray towers, the second mist removing layer is positioned at the upper end of the sodium hypochlorite spray towers, a spray head of the sodium hypochlorite spray pipeline is positioned above the second packing layer, a water inlet of the sodium hypochlorite spray pipeline is communicated with a water outlet of the sodium hypochlorite circulating pump, and a water inlet of the sodium hypochlorite circulating pump is communicated with the bottom of the water spray towers.
5. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the alkali liquor spraying and absorbing device comprises two alkali liquor spraying towers, a third packing layer, a third demisting layer, an alkali liquor spraying pipeline and an alkali liquor circulating pump which are connected in series, wherein the third packing layer is positioned at the middle end and the lower end of the alkali liquor spraying tower, the third demisting layer is positioned at the upper end of the alkali liquor spraying tower, a spray head of the alkali liquor spraying pipeline is positioned above the third packing layer, a water inlet of the alkali liquor spraying pipeline is communicated with a water outlet of the alkali liquor circulating pump, and a water inlet of the alkali liquor circulating pump is communicated with the bottom of the alkali liquor spraying tower.
6. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the demister comprises a support, a containing tank and an adsorption packing layer, wherein the upper end of the support is fixedly connected with the containing tank, the adsorption packing layer is located at the upper end of the containing tank, an air inlet is formed in the lower end of the containing tank, an air outlet is formed in the upper end of the containing tank, and a water outlet is formed in the bottom of the containing tank.
7. The exhaust gas treatment device containing an acidic gas and an organic substance according to claim 1, wherein: the secondary activated carbon adsorption box comprises two secondary boxes, three-layer secondary activated carbon layers and a partition plate which are connected in series, wherein the secondary activated carbon layers are horizontally arranged in the boxes, the partition plate is arranged at the upper end of one side, close to the air inlet, of the upper layer secondary activated carbon layer, the partition plate is arranged at one side, close to the air outlet, of the upper layer secondary activated carbon layer and the middle layer secondary activated carbon layer, the partition plate is arranged at one side, close to the air inlet, of the middle layer secondary activated carbon layer and the lower layer secondary activated carbon layer, the partition plate is arranged at the lower end of one side, close to the air outlet, of the lower layer secondary activated carbon layer, and the spaces at two sides of the partition plate are all separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663755.2U CN218980984U (en) | 2022-10-10 | 2022-10-10 | Waste gas treatment device containing acid gas and organic matters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663755.2U CN218980984U (en) | 2022-10-10 | 2022-10-10 | Waste gas treatment device containing acid gas and organic matters |
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| CN218980984U true CN218980984U (en) | 2023-05-09 |
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| CN202222663755.2U Active CN218980984U (en) | 2022-10-10 | 2022-10-10 | Waste gas treatment device containing acid gas and organic matters |
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| CN (1) | CN218980984U (en) |
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- 2022-10-10 CN CN202222663755.2U patent/CN218980984U/en active Active
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