CN218221830U - Industrial waste gas dust removal and desulfurization device - Google Patents
Industrial waste gas dust removal and desulfurization device Download PDFInfo
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- CN218221830U CN218221830U CN202222406528.1U CN202222406528U CN218221830U CN 218221830 U CN218221830 U CN 218221830U CN 202222406528 U CN202222406528 U CN 202222406528U CN 218221830 U CN218221830 U CN 218221830U
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Abstract
The utility model relates to the technical field of waste gas treatment, in particular to an industrial waste gas dedusting and desulfurizing device, which comprises a dedusting and desulfurizing tower, a Venturi tube connected to one side of the bottom of the dedusting and desulfurizing tower and an air outlet tube connected to the top of the dedusting and desulfurizing tower; a packing layer is installed in the dust removal desulfurization tower, a spraying mechanism is arranged at the top of the packing layer, the bottom of the packing layer is connected with a central column, a spiral flow deflector is connected between the central column and the inner wall of the dust removal desulfurization tower, a spiral liquid feeding pipe is installed on the curved surface of the bottom of the spiral flow deflector, and a plurality of spraying holes are formed in the bottom of the spiral liquid feeding pipe; a liquid supply mechanism is arranged outside the dedusting and desulfurizing tower; the utility model discloses well venturi can be used for waste gas to introduce in the dust removal desulfurizing tower, and later waste gas sprays through the helical coiled passage who forms between the spiral water conservancy diversion piece, can increase the stroke of waste gas in spraying, improves waste gas and the reaction time who sprays the liquid, and waste gas can react once more through the packing layer, and further the desulfurization of removing dust improves the exhaust-gas treatment effect.
Description
Technical Field
The utility model relates to a waste gas treatment technical field specifically is an industrial waste gas dust removal desulphurization unit.
Background
Industrial waste gases contain a large amount of polluting gases such as carbon dioxide, sulfides, soot, and productive dust. The direct discharge can cause harm and needs to be discharged after dust removal and purification.
The prior patent publication No. CN215086137U is an industrial waste gas dedusting, desulfurization and denitration device, wherein a first fan is used for pumping waste gas to the lower end of an inner cavity of a box body, water in a water tank is sprayed out from a spray head, so that the water and dust in the waste gas are mixed or adsorbed, dust is removed, the water and the dust are mixed and separated from the waste gas, after the dust is removed, the waste gas is pumped into a reaction box by a second fan, then the waste gas is reacted by dilute sulfuric acid in the reaction box to be desulfurized, the desulfurized waste gas is conveyed to the upper end of the inner cavity of the box body through a gas conveying pipe and passes through an active carbon adsorption net, the waste gas is finally filtered and adsorbed by the active carbon adsorption net, the active carbon adsorption net can be disassembled, cleaned and replaced, and then is discharged from an exhaust port, and the waste gas after the dust is effectively desulfurized through reaction.
Above-mentioned device can remove dust the desulfurization to waste gas, but during the dust removal, mixes water and dust to make it separate out from waste gas, it can not be effectual directly takes out the dust and leaves, and during the follow-up spraying, waste gas and liquid contact time are short, are unfavorable for effectual reaction, need further improvement to the treatment effect of waste gas. Aiming at the problems, the industrial waste gas dedusting and desulfurizing device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industrial waste gas dust removal desulphurization unit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a dust removal and desulfurization device for industrial waste gas comprises a dust removal and desulfurization tower, a Venturi tube connected to one side of the bottom of the dust removal and desulfurization tower and an air outlet tube connected to the top of the dust removal and desulfurization tower;
a packing layer is installed in the dust removal desulfurization tower, a spraying mechanism is arranged at the top of the packing layer, the bottom of the packing layer is connected with a central column, a spiral flow deflector is connected between the central column and the inner wall of the dust removal desulfurization tower, a spiral liquid feeding pipe is installed on the curved surface of the bottom of the spiral flow deflector, and a plurality of spraying holes are formed in the bottom of the spiral liquid feeding pipe;
a liquid supply mechanism for conveying spraying liquid to the spraying mechanism and the spiral liquid supply pipe is arranged outside the dedusting and desulfurizing tower;
the bottom of the dedusting and desulfurization tower is far away from one side of the Venturi tube and is connected with a drain pipe, and the liquid outlet end of the drain pipe is connected with a filtering mechanism for filtering waste liquid.
In one alternative: the spraying mechanism comprises at least three groups of spraying pipes, the three groups of spraying pipes are connected to the fixed pipe, and the bottom of each spraying pipe is connected with a plurality of spraying heads.
In one alternative: the liquid supply mechanism comprises a liquid inlet pipe, a first liquid conveying pipe and a second liquid conveying pipe, wherein the first liquid conveying pipe is connected with a spiral liquid conveying pipe liquid inlet end in the dust removal desulfurization tower, the second liquid conveying pipe is connected with a fixed pipe liquid inlet end in the dust removal desulfurization tower, the liquid inlet end of the liquid conveying pipe is connected with a water pump, the water pump is installed on the liquid storage box, and a liquid inlet end pipeline of the water pump extends to the inner cavity of the liquid storage box.
In one alternative: the filter mechanism comprises a filter tank, the liquid outlet end of the drain pipe is connected with the filter tank through a circulating pump, a plurality of filter screens are installed in the filter tank, the liquid outlet end, far away from one end of the circulating pump, of each filter screen is connected with a circulating pipe, and the circulating pipe is connected with the liquid storage tank.
In one alternative: and the top of the spraying mechanism is provided with a demisting layer connected in the dedusting and desulfurizing tower.
In one alternative: and an observation window is arranged on the side wall of the dedusting and desulfurizing tower.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses well venturi can be used for waste gas to introduce in the dust removal desulfurizing tower, later waste gas sprays through the helical coiled passage that forms between the spiral water conservancy diversion piece, can increase the stroke of waste gas in the spraying, improve the reaction time of waste gas and spray liquid, when spray liquid sprays, because the collision between dirt particle and the liquid drop in the waste gas, interception and condensation, the dirt particle descends along with the liquid drop, flow to the bottom of the dust removal desulfurizing tower along with the waste liquid through spiral water conservancy diversion piece surface, the sulphide in the spray liquid flue gas takes place chemical reaction, generate pollution-free accessory substance, later waste gas can react once more through the packing layer, further remove dust and desulfurize, effectively handle industrial waste gas;
the utility model discloses well filtering mechanism's setting can filter back reuse to the waste liquid, and the waste liquid after the filtration can use in inputing the liquid supply mechanism again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the arrangement of the liquid storage tank of the present invention.
Fig. 3 is a schematic structural diagram of the interior of the middle dust-removing desulfurization tower of the utility model.
In the figure: 11. a dust removal desulfurization tower; 12. a venturi tube; 13. an air outlet pipe; 14. a liquid inlet pipe; 15. a water pump; 16. a liquid storage tank; 17. a filter box; 18. a circulation pump; 19. a drain pipe; 20. a central column; 21. a spiral flow deflector; 22. a spiral liquid feeding pipe; 23. a first infusion tube; 24. a second infusion tube; 25. a shower pipe; 26. a filler layer.
Detailed Description
Referring to fig. 1-3, in the present embodiment, an industrial waste gas dust removal and desulfurization apparatus includes a dust removal and desulfurization tower 11, a venturi tube 12 connected to one side of the bottom of the dust removal and desulfurization tower 11, and an outlet duct 13 connected to the top of the dust removal and desulfurization tower 11;
the venturi tube 12 can be used for accelerating the input of the waste gas into the dedusting and desulfurizing tower 11 for dedusting and desulfurizing treatment, the treated gas can be output from the gas outlet pipe 13, and the gas outlet pipe 13 can be connected with an external gas-liquid separator to remove part of moisture in the treated gas and then discharge the treated gas;
as shown in fig. 3, a packing layer 26 is installed in the dust removal and desulfurization tower 11, the packing layer 26 can be a structure of an existing polyhedral hollow sphere or raschig ring and a support plate, a spraying mechanism is arranged at the top of the packing layer 26, and the spraying mechanism sprays a spraying liquid to the packing layer 26;
as shown in fig. 3, the bottom of the packing layer 26 is connected with a central column 20, a spiral flow deflector 21 is connected between the central column 20 and the inner wall of the dust-removing and desulfurizing tower 11, a spiral liquid feeding pipe 22 is installed on the curved surface of the bottom of the spiral flow deflector 21, and a plurality of spraying holes are formed in the bottom of the spiral liquid feeding pipe 22;
the waste gas is sprayed through the spiral channel formed between the spiral flow deflectors 21, the stroke of the waste gas can be increased during spraying, and the reaction time of the waste gas and the spraying liquid is prolonged; when the spray liquid is sprayed, due to collision, interception and condensation between dust particles and liquid drops in the waste gas, the dust particles fall down along with the liquid drops, flow to the bottom of the dedusting and desulfurizing tower 11 along with the waste liquid through the surface of the spiral flow deflector 21, sulfide in the flue gas of the spray liquid is subjected to chemical reaction, and pollution-free byproducts are generated;
a liquid supply mechanism for conveying spraying liquid to the spraying mechanism and the spiral liquid supply pipe 22 is arranged outside the dedusting and desulfurizing tower 11;
as shown in fig. 2, one side of the bottom of the dust-removing desulfurization tower 11, which is far away from the venturi tube 12, is connected with a drain pipe 19, and the liquid outlet end of the drain pipe 19 is connected with a filtering mechanism for filtering waste liquid;
the waste liquid can be discharged from the drain pipe, and can be repeatedly used after being filtered by the filtering mechanism.
In this embodiment, waste gas passes through venturi 12 input dust removal desulfurizing tower 11 in, and waste gas sprays through the helical passage that forms between the spiral water conservancy diversion piece 21, can increase the stroke of waste gas in spraying, improves the reaction time of waste gas and spray liquid, during spraying, can remove dust and the desulfurization to waste gas, and later waste gas carries to packing layer 26, can further remove dust and the desulfurization, and the gas after the processing is discharged from outlet duct 13.
In one embodiment, as shown in fig. 3, the spraying mechanism comprises at least three groups of spraying pipes 25, the three groups of spraying pipes 25 are connected to a fixed pipe, and a plurality of spraying heads are connected to the bottom of each spraying pipe 25; the spray liquid input into the spray pipe 25 is sprayed to the packing layer 26 from the spray header.
In one embodiment, as shown in fig. 2 and 3, the liquid supply mechanism comprises a liquid inlet pipe 14 and a first liquid conveying pipe 23 and a second liquid conveying pipe 24 connected to the liquid inlet pipe 14, the first liquid conveying pipe 23 extends to the liquid inlet end of a connecting spiral liquid conveying pipe 22 in the dust-removing and desulfurizing tower 11, the second liquid conveying pipe 24 extends to the liquid inlet end of a connecting fixed pipe in the dust-removing and desulfurizing tower 11, the liquid inlet end of the liquid inlet pipe 14 is connected to a water pump 15, the water pump 15 is mounted on the liquid storage tank 16, and the liquid inlet end of the water pump 15 extends to the inner cavity of the liquid storage tank 16;
the liquid storage box 16 can store spraying liquid, and the water pump 15 works to convey the spraying liquid to the liquid inlet pipe 14 and then to the first liquid conveying pipe 23 and the second liquid conveying pipe 24.
In one embodiment, as shown in fig. 2, the filtering mechanism comprises a filtering tank 17, the liquid outlet end of the drain pipe 19 is connected with the filtering tank 17 through a circulating pump 18, a plurality of filtering nets are arranged in the filtering tank 17, the liquid outlet end of the filtering nets, which is far away from one end of the circulating pump 18, is connected with a circulating pipe, and the circulating pipe is connected with the liquid storage tank 16;
the waste liquid enters the filter box 17 to be filtered, and then can be input into the liquid storage box 16 again to be mixed with the spraying liquid for use.
In one embodiment, the top of the spraying mechanism is provided with a defogging layer connected in the dedusting and desulfurizing tower 11, the defogging layer can be a component in the existing spraying tower, and the sprayed and processed gas can remove part of water through the defogging layer.
In one embodiment, as shown in FIG. 1, the sidewall of the dust-removing desulfurization tower 11 is provided with an observation window.
The utility model discloses during the use, spray liquid can be deposited in the liquid reserve tank 16, 15 work of water pump will spray liquid and carry to feed liquor pipe 14, later carry to first transfer line 23 and second transfer line 24 in, waste gas is in venturi 12 input dust removal desulfurizing tower 11, waste gas sprays the processing through the helical passage that forms between spiral water conservancy diversion piece 21, can increase the stroke of waste gas in spraying, improve waste gas and spray liquid's reaction time, when spraying liquid and spraying, because the collision between dirt particle and the liquid drop in the waste gas, interception and cohesion, dirt particle descends along with the liquid drop, flow to dust removal desulfurizing tower 11 bottoms along with the waste liquid through spiral water conservancy diversion piece 21 surface, the sulphide in the liquid flue gas that sprays takes place chemical reaction, generate pollution-free accessory substance, later waste gas carries to packing layer 26, can further remove dust and the desulfurization, gas after the processing is discharged from outlet duct 13.
Claims (6)
1. A dust removal and desulfurization device for industrial waste gas comprises a dust removal and desulfurization tower (11), a Venturi tube (12) connected to one side of the bottom of the dust removal and desulfurization tower (11) and an air outlet tube (13) connected to the top of the dust removal and desulfurization tower (11);
the method is characterized in that: a packing layer (26) is installed in the dust removal and desulfurization tower (11), a spraying mechanism is arranged at the top of the packing layer (26), the bottom of the packing layer (26) is connected with a central column (20), a spiral flow deflector (21) is connected between the central column (20) and the inner wall of the dust removal and desulfurization tower (11), a spiral liquid feeding pipe (22) is installed on the bottom curved surface of the spiral flow deflector (21), and a plurality of spraying holes are formed in the bottom of the spiral liquid feeding pipe (22);
a liquid supply mechanism for conveying spraying liquid to the spraying mechanism and the spiral liquid supply pipe (22) is arranged on the outer side of the dedusting and desulfurizing tower (11);
the bottom of the dedusting and desulfurizing tower (11) is far away from one side of the Venturi tube (12) and is connected with a water discharge pipe (19), and the liquid outlet end of the water discharge pipe (19) is connected with a filtering mechanism for filtering waste liquid.
2. The industrial waste gas dedusting and desulfurizing device according to claim 1, characterized in that: the spraying mechanism comprises at least three groups of spraying pipes (25), the three groups of spraying pipes (25) are connected to the fixed pipe, and a plurality of spraying heads are connected to the bottom of each spraying pipe (25).
3. The industrial waste gas dedusting and desulfurizing device according to claim 2, characterized in that: the liquid supply mechanism comprises a liquid inlet pipe (14), a first liquid conveying pipe (23) and a second liquid conveying pipe (24), wherein the first liquid conveying pipe (23) is connected to the liquid inlet pipe (14), the first liquid conveying pipe (23) extends to the liquid inlet end of a spiral liquid conveying pipe (22) in the dedusting and desulfurizing tower (11), the second liquid conveying pipe (24) extends to the liquid inlet end of a fixed pipe in the dedusting and desulfurizing tower (11), the liquid inlet end of the liquid inlet pipe (14) is connected with a water pump (15), the water pump (15) is installed on the liquid storage box (16), and the liquid inlet end pipeline of the water pump (15) extends to the inner cavity of the liquid storage box (16).
4. The industrial waste gas dedusting and desulfurizing device according to claim 1, characterized in that: the filter mechanism comprises a filter box (17), the liquid outlet end of the drain pipe (19) is connected with the filter box (17) through a circulating pump (18), a plurality of filter screens are installed in the filter box (17), the liquid outlet end of one end, far away from the circulating pump (18), of each filter screen is connected with a circulating pipe, and the circulating pipe is connected with a liquid storage box (16).
5. The industrial waste gas dedusting and desulfurizing device according to claim 1, characterized in that: the top of the spraying mechanism is provided with a demisting layer connected in the dedusting and desulfurizing tower (11).
6. The industrial waste gas dedusting and desulfurizing device according to claim 1, characterized in that: and an observation window is arranged on the side wall of the dedusting and desulfurizing tower (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222406528.1U CN218221830U (en) | 2022-09-12 | 2022-09-12 | Industrial waste gas dust removal and desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222406528.1U CN218221830U (en) | 2022-09-12 | 2022-09-12 | Industrial waste gas dust removal and desulfurization device |
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| Publication Number | Publication Date |
|---|---|
| CN218221830U true CN218221830U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222406528.1U Active CN218221830U (en) | 2022-09-12 | 2022-09-12 | Industrial waste gas dust removal and desulfurization device |
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| CN (1) | CN218221830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117771924A (en) * | 2024-01-11 | 2024-03-29 | 光大绿色环保固废处置(南通)有限公司 | Deacidification tank and process based on wet deacidification of hazardous waste incineration flue gas |
| CN117771924B (en) * | 2024-01-11 | 2024-10-22 | 光大绿色环保固废处置(南通)有限公司 | Deacidification tank and process based on wet deacidification of hazardous waste incineration flue gas |
-
2022
- 2022-09-12 CN CN202222406528.1U patent/CN218221830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117771924A (en) * | 2024-01-11 | 2024-03-29 | 光大绿色环保固废处置(南通)有限公司 | Deacidification tank and process based on wet deacidification of hazardous waste incineration flue gas |
| CN117771924B (en) * | 2024-01-11 | 2024-10-22 | 光大绿色环保固废处置(南通)有限公司 | Deacidification tank and process based on wet deacidification of hazardous waste incineration flue gas |
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