CN216223793U

CN216223793U - A technology waste gas treatment device for production of heavy metal chelating agent

Info

Publication number: CN216223793U
Application number: CN202122624839.0U
Authority: CN
Inventors: 文涛涛
Original assignee: Beijing Kelinweier Chemical Co ltd
Current assignee: Beijing Kelinweier Chemical Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-08
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a process waste gas treatment device for heavy metal chelator production, which comprises a reaction kettle, a catalytic oxidation box, a spray box and an adsorption box, wherein the reaction kettle, the catalytic oxidation box, the spray box and the adsorption box are fixedly connected in sequence through pipelines; the inside both sides of catalytic oxidation case all are fixed with first gas row, the air-blower is all installed to one side that catalytic oxidation bottom of the case portion is close to two first gas rows. The organic gas is irradiated by high-energy UV light beams generated by an ultraviolet lamp, and the organic gas is oxidized and decomposed by high ozone generated by an ozone generator, so that organic polymer gases such as ammonia, hydrogen sulfide, carbon disulfide and the like in waste gas are decomposed into micromolecular organic and inorganic gases which are beneficial to treatment; the waste gas passing through the gauze screen plate is sprayed with chemical agents by matching the water pump, the spray row, the spray head and the like, harmful substances in the waste gas are removed, and liquid medicine and moisture in the waste gas are removed through the demister.

Description

A technology waste gas treatment device for production of heavy metal chelating agent

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a process waste gas treatment device for heavy metal chelating agent production.

Background

The heavy metal chelating agent is a chemical agent strongly chelating with heavy metal ions, and can be widely applied to the fields of electroplating, electronic industry, steel smelting, garbage incineration and the like because the heavy metal chelating agent can perform chemical reaction with various heavy metal ions in wastewater at normal temperature and in a wide pH value range to purify the wastewater. The existing production process of the heavy metal chelating agent uses virulent carbon disulfide, the generated waste gas is mainly discharged from high altitude, and the air is used for diluting tail gases such as carbon disulfide and the like, so that the environment is seriously polluted.

The existing device for treating the waste gas generated in the production process of the chelating agent cannot decompose organic polymer pollutants in the waste gas into micromolecular inorganic substances, is difficult to effectively treat the waste gas, and still causes pollution to the surrounding environment after the waste gas is discharged. Therefore, a process waste gas treatment device for producing heavy metal chelating agents, which can effectively treat waste gas, decompose organic high-molecular pollutants generated in the production process into small-molecular inorganic substances and is beneficial to waste gas treatment, is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a process waste gas treatment device for heavy metal chelating agent production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a process waste gas treatment device for production of a heavy metal chelating agent comprises a reaction kettle, a catalytic oxidation box, a spray box and an adsorption box, wherein the reaction kettle, the catalytic oxidation box, the spray box and the adsorption box are fixedly connected in sequence through pipelines; the two sides in the catalytic oxidation box are both fixed with first gas rows, one side of the bottom of the catalytic oxidation box, which is close to the two first gas rows, is provided with a blower, and one end of an air outlet pipe of each blower is fixedly connected with the air inlet end of the first gas row on the corresponding side; an ozone generator is arranged in the middle of the bottom of the catalytic oxidation box, a second gas row is fixed at one end of a gas outlet pipe of the ozone generator, and the second gas row is fixed inside the catalytic oxidation box; ultraviolet lamps are arranged above two sides of the inner wall of the catalytic oxidation box;

a water tank is arranged at the bottom inside the spraying box, and a gauze screen plate is fixed above the water tank inside the spraying box; a motor is installed in the middle of the interior of the spraying box, a brush is fixed at one end of an output shaft of the motor, and the brush is attached to and arranged above the gauze screen plate; a spray bar is fixed above the spray box close to the motor, and a plurality of spray heads are fixed at the bottom of the spray bar; a water pump is installed on one side, close to the spray row, of the spray box body, and one end of a water outlet pipe of the water pump is fixedly connected with a water inlet end of the spray row; a demister is arranged in the spraying box and close to the upper part of the spray row; a plurality of activated carbon adsorption layers are fixed inside the adsorption box.

As a further scheme of the utility model: a catalytic box air inlet pipe is fixed in the middle of the top of the catalytic oxidation box body, a first air pump is installed between the reaction kettle and the catalytic oxidation box, one end of the first air pump air inlet pipe is inserted into the reaction kettle, and one end of the first air pump air outlet pipe is fixedly connected with the catalytic box air inlet pipe; and a catalytic box air outlet pipe is fixed at the bottom of one side of the catalytic oxidation box body.

As a still further scheme of the utility model: a spraying box air inlet pipe is fixed at the bottom of one side of the spraying box body, and one end of the spraying box air inlet pipe is inserted into the water tank; a second air pump is arranged between the catalytic oxidation box and the spraying box, one end of an air inlet pipe of the second air pump is fixedly connected with an air outlet pipe of the catalytic box, and one end of an air outlet pipe of the second air pump is fixedly connected with an air inlet pipe of the spraying box; and a spraying box air outlet pipe is fixed in the middle of the top of the spraying box.

As a still further scheme of the utility model: an adsorption tank air inlet pipe is fixed in the middle of one side of the adsorption tank body, a third air pump is installed between the spraying tank and the adsorption tank, one end of the third air pump air inlet pipe is fixedly connected with the spraying tank air outlet pipe, and one end of the third air pump air outlet pipe is fixedly connected with the adsorption tank air inlet pipe.

As a still further scheme of the utility model: the upper end and the lower end of one side of the water tank body are respectively fixed with a water injection pipe and a water drainage pipe, and one ends of the water injection pipe and the water drainage pipe penetrate through the inner wall of the spraying box and extend to the outside of the spraying box.

As a still further scheme of the utility model: and an air outlet pipe of the adsorption tank is fixed at the middle position of one side of the adsorption tank body, which is far away from the air inlet pipe of the adsorption tank.

Compared with the prior art, the utility model has the following beneficial effects:

1. irradiating organic gas by high-energy UV light beams generated by an ultraviolet lamp, and oxidizing and decomposing the organic gas by high ozone generated by an ozone generator to decompose organic polymer gases such as ammonia, hydrogen sulfide, carbon disulfide and the like in waste gas into micromolecular organic and inorganic gases which are beneficial to treatment;

2. spraying chemical agents on the waste gas passing through the gauze screen plate by using a water pump, a spray row, a spray head and the like in a matching manner, removing harmful substances in the waste gas, and removing liquid medicine and moisture in the waste gas through a demister;

3. residual peculiar smell heterochrosis and other harmful impurity in the adsorption filtration waste gas through the active carbon adsorption layer, the waste gas after the processing is accomplished is outwards discharged by adsorption tank outlet duct.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the catalytic oxidation tank according to the present invention.

Fig. 3 is a schematic structural view of the spray box of the present invention.

FIG. 4 is a schematic view of the adsorption tank of the present invention.

Notations for reference numerals: 1-reaction kettle, 2-catalytic oxidation box, 21-ultraviolet lamp, 22-first gas exhaust, 23-blower, 24-ozone generator, 25-second gas exhaust, 26-catalytic box gas inlet pipe, 27-catalytic box gas outlet pipe, 3-spraying box, 301-demister, 302-spraying exhaust, 303-motor, 304-brush, 305-gauze screen plate, 306-water tank, 307-spraying box gas inlet pipe, 308-water outlet pipe, 309-water injection pipe, 310-water pump, 311-spraying box gas outlet pipe, 4-adsorption box, 41-adsorption box gas inlet pipe, 42-active carbon adsorption layer, 43-adsorption box gas outlet pipe, 5-first air pump, 6-second air pump and 7-third air pump.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the utility model. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-2, in the embodiment of the utility model, a process waste gas treatment device for heavy metal chelator production includes a reaction kettle 1, a catalytic oxidation box 2, a spray box 3 and an adsorption box 4, wherein the reaction kettle 1, the catalytic oxidation box 2, the spray box 3 and the adsorption box 4 are fixedly connected in sequence through a pipeline; a catalytic box air inlet pipe 26 is fixed in the middle of the top of the box body of the catalytic oxidation box 2, a first air pump 5 is installed between the reaction kettle 1 and the catalytic oxidation box 2, one end of the first air pump 5 air inlet pipe is inserted into the reaction kettle 1, and one end of the first air pump 5 air outlet pipe is fixedly connected with the catalytic box air inlet pipe 26;

the two sides in the catalytic oxidation box 2 are both fixed with first gas rows 22, one side of the bottom of the catalytic oxidation box 2, which is close to the two first gas rows 22, is provided with air blowers 23, and one end of an air outlet pipe of each air blower 23 is fixedly connected with the air inlet end of the corresponding first gas row 22; an ozone generator 24 is arranged in the middle of the bottom of the catalytic oxidation box 2, a second gas exhaust 25 is fixed at one end of a gas outlet pipe of the ozone generator 24, and the second gas exhaust 25 is fixed in the catalytic oxidation box 2; ultraviolet lamps 21 are arranged above two sides of the inner wall of the catalytic oxidation box 2; and a catalytic box air outlet pipe 27 is fixed at the bottom of one side of the box body of the catalytic oxidation box 2.

Example 2

Referring to fig. 3 to 4, on the basis of embodiment 1, a water tank 306 is disposed at the bottom inside the spray box 3, a spray box air inlet pipe 307 is fixed at the bottom of one side of the box body of the spray box 3, and one end of the spray box air inlet pipe 307 is inserted into the water tank 306; a second air pump 6 is arranged between the catalytic oxidation box 2 and the spraying box 3, one end of an air inlet pipe of the second air pump 6 is fixedly connected with an air outlet pipe 27 of the catalytic box, and one end of an air outlet pipe of the second air pump 6 is fixedly connected with an air inlet pipe 307 of the spraying box; a gauze screen plate 305 is fixed above the water tank 306 in the spraying box 3; a motor 303 is arranged in the middle of the inner part of the spraying box 3, a brush 304 is fixed at one end of an output shaft of the motor 303, and the brush 304 is attached to and arranged above the gauze screen plate 305;

a spray bar 302 is fixed above the motor 303 in the spray box 3, and a plurality of spray heads are fixed at the bottom of the spray bar 302; a water pump 310 is arranged on one side of the box body of the spray box 3 close to the spray bar 302, and one end of a water outlet pipe of the water pump 310 is fixedly connected with the water inlet end of the spray bar 302; a demister 301 is arranged in the spraying box 3 and close to the upper part of the spray row 302; a spray box air outlet pipe 311 is fixed in the middle of the top of the spray box 3; a water injection pipe 309 and a water drainage pipe 308 are respectively fixed at the upper end and the lower end of one side of the trough body of the water trough 306, and one end of each of the water injection pipe 309 and the water drainage pipe 308 penetrates through the inner wall of the spray box 3 and extends to the outside of the spray box 3;

an adsorption tank air inlet pipe 41 is fixed in the middle of one side of the tank body of the adsorption tank 4, a third air pump 7 is arranged between the spray tank 3 and the adsorption tank 4, one end of an air inlet pipe of the third air pump 7 is fixedly connected with a spray tank air outlet pipe 311, and one end of an air outlet pipe of the third air pump 7 is fixedly connected with the adsorption tank air inlet pipe 41; a plurality of activated carbon adsorption layers 42 are fixed inside the adsorption box 4; and an adsorption tank air outlet pipe 43 is fixed in the middle of one side of the body of the adsorption tank 4, which is far away from the adsorption tank air inlet pipe 41.

When the device is used, the first air pump 5 is started to pump the waste gas generated in the reaction kettle 1 into the catalytic oxidation box 2, the high-energy UV light beam generated by the ultraviolet lamp 21 irradiates the organic gas, and the high-ozone generated by the ozone generator 24 oxidizes and decomposes the organic gas, so that organic polymer gases such as ammonia, hydrogen sulfide, carbon disulfide and the like in the waste gas are decomposed into micromolecular organic and inorganic gases which are beneficial to treatment; after the catalytic oxidation of the waste gas is finished, a second air pump 6 is started to pump the waste gas into the spraying box 3, the waste gas passing through the gauze screen plate 305 is sprayed with chemical agents through the matching use of a water pump 310, a spraying row 302, a spray head and the like, harmful substances in the waste gas are removed, and then liquid medicine and moisture in the waste gas are removed through a demister 301; after the waste gas disinfection is finished, the third air pump 7 is started to pump the waste gas into the adsorption tank 4, the residual peculiar smell and other harmful impurities in the waste gas are adsorbed and filtered through the activated carbon adsorption layer 42, and the treated waste gas is discharged outwards through the gas outlet pipe 43 of the adsorption tank.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A process waste gas treatment device for production of a heavy metal chelating agent comprises a reaction kettle (1), a catalytic oxidation box (2), a spray box (3) and an adsorption box (4), wherein the reaction kettle (1), the catalytic oxidation box (2), the spray box (3) and the adsorption box (4) are fixedly connected in sequence through pipelines; the catalytic oxidation device is characterized in that first gas rows (22) are fixed on two sides of the interior of the catalytic oxidation box (2), air blowers (23) are mounted on one sides, close to the two first gas rows (22), of the bottom of the catalytic oxidation box (2), and one ends of air outlet pipes of the two air blowers (23) are fixedly connected with air inlet ends of the first gas rows (22) on the corresponding sides respectively; an ozone generator (24) is arranged in the middle of the bottom of the catalytic oxidation box (2), a second gas exhaust (25) is fixed at one end of a gas outlet pipe of the ozone generator (24), and the second gas exhaust (25) is fixed in the catalytic oxidation box (2); ultraviolet lamps (21) are arranged above two sides of the inner wall of the catalytic oxidation box (2);

a water tank (306) is arranged at the bottom inside the spraying box (3), and a gauze screen plate (305) is fixed above the water tank (306) inside the spraying box (3); a motor (303) is arranged in the middle of the inner part of the spraying box (3), a brush (304) is fixed at one end of an output shaft of the motor (303), and the brush (304) is attached to and arranged above the gauze screen plate (305); a spray bar (302) is fixed above the spray box (3) close to the motor (303), and a plurality of spray heads are fixed at the bottom of the spray bar (302); a water pump (310) is installed on one side, close to the spray row (302), of the box body of the spray box (3), and one end of a water outlet pipe of the water pump (310) is fixedly connected with a water inlet end of the spray row (302); a demister (301) is arranged in the spraying box (3) and is close to the upper part of the spray row (302); a plurality of activated carbon adsorption layers (42) are fixed inside the adsorption box (4).

2. The device for treating the process waste gas generated in the production of the heavy metal chelating agent according to claim 1, wherein a catalytic box gas inlet pipe (26) is fixed at the middle position of the top of a box body of the catalytic oxidation box (2), a first gas pump (5) is installed between the reaction kettle (1) and the catalytic oxidation box (2), one end of the gas inlet pipe of the first gas pump (5) is inserted into the reaction kettle (1), and one end of the gas outlet pipe of the first gas pump (5) is fixedly connected with the catalytic box gas inlet pipe (26); and a catalytic box air outlet pipe (27) is fixed at the bottom of one side of the catalytic oxidation box (2) body.

3. The process waste gas treatment device for heavy metal chelator production as recited in claim 2, wherein a spraying box inlet pipe (307) is fixed to the bottom of one side of the box body of the spraying box (3), and one end of the spraying box inlet pipe (307) is inserted into the water tank (306); a second air pump (6) is arranged between the catalytic oxidation box (2) and the spraying box (3), one end of an air inlet pipe of the second air pump (6) is fixedly connected with an air outlet pipe (27) of the catalytic box, and one end of an air outlet pipe of the second air pump (6) is fixedly connected with an air inlet pipe (307) of the spraying box; and a spraying box air outlet pipe (311) is fixed in the middle of the top of the spraying box (3).

4. The device for treating the process waste gas generated in the production of the heavy metal chelating agent according to claim 3, wherein an adsorption tank gas inlet pipe (41) is fixed in the middle of one side of the tank body of the adsorption tank (4), a third air pump (7) is installed between the spray tank (3) and the adsorption tank (4), one end of the third air pump (7) gas inlet pipe is fixedly connected with a spray tank gas outlet pipe (311), and one end of the third air pump (7) gas outlet pipe is fixedly connected with the adsorption tank gas inlet pipe (41).

5. The device for treating the process waste gas generated in the production of the heavy metal chelating agent according to claim 1 or 4, wherein a water injection pipe (309) and a water discharge pipe (308) are respectively fixed at the upper end and the lower end of one side of the trough body of the water trough (306), and one ends of the water injection pipe (309) and the water discharge pipe (308) penetrate through the inner wall of the spray box (3) and extend to the outside of the spray box (3).

6. The device for treating the process waste gas generated in the production of the heavy metal chelating agent according to claim 4, wherein an adsorption tank gas outlet pipe (43) is fixed at the middle position of one side of the tank body of the adsorption tank (4) far away from the adsorption tank gas inlet pipe (41).