CN210752042U

CN210752042U - Tertiary processing apparatus of printing and dyeing workshop waste gas

Info

Publication number: CN210752042U
Application number: CN201921373728.3U
Authority: CN
Inventors: 李胤民
Original assignee: Yixing Sunan Dyeing & Printing Co ltd
Current assignee: Yixing Sunan Dyeing & Printing Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-16
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a tertiary treatment device for waste gas in a printing and dyeing workshop, which comprises an agitator tank, wherein the right side of the agitator tank is provided with a spray tank, the right side of the agitator tank is connected with a first water pump, the right end of the first water pump is provided with a connecting water pipe, the inside of the spray tank is provided with a first water spray pipe, the right end of the connecting water pipe is connected with the first water spray pipe, and the upper side of the spray tank is provided with an exhaust port, sodium hydroxide is added into the agitator tank through a feed port, the first water pump can spray sodium hydroxide solution out through the first water spray pipe, so that the waste gas is subjected to alkali washing, a water inlet pipe can extract alkali liquor at the bottom in the spray tank, and the waste gas is subjected to repeated alkali washing through a water pipe, a second water spray pipe and a third water spray pipe, so that the alkali washing effect is good, the treated waste gas enters a filter element through an, can adsorb impurity, and the treatment effect is good.

Description

Tertiary processing apparatus of printing and dyeing workshop waste gas

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a tertiary processing apparatus of printing and dyeing workshop waste gas.

Background

The waste gas in the printing and dyeing workshop contains sulfur dioxide, the sulfur dioxide becomes the main reason of air pollution, the reduction of the sulfur dioxide pollution becomes the urgent necessity of the current atmospheric environment treatment, a plurality of flue gas desulfurization processes are widely applied in the industry, the desulfurization effect of the alkaline tower for desulfurization at present is not good enough, the reaction of the sulfur dioxide in the tower is not thorough, the sulfur dioxide in the discharged flue gas cannot reach the regulation of the department of the item pipe, the toxic and corrosive liquid formed after the sulfur dioxide is dissolved in water is the main component for forming acid rain, the treatment process is troublesome, the pollution to the environment is serious, and the method is the main reason for forming the acid rain. Therefore, a three-stage treatment device for waste gas of the printing and dyeing workshop is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tertiary processing apparatus of printing and dyeing workshop waste gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tertiary processing apparatus of printing and dyeing workshop waste gas, includes the agitator tank, the right side of agitator tank is equipped with sprays the jar, the right side of agitator tank is connected with first water pump, the right-hand member of first water pump is equipped with connects the water pipe, the inside that sprays the jar is equipped with first spray pipe, the right-hand member of connecting the water pipe is connected with first spray pipe, the upside that sprays the jar is equipped with the gas vent, fixedly connected with blast pipe on the gas vent, the inside of blast pipe is equipped with the fan, the right-hand member of blast pipe is connected with the filter core, the right-hand member of filter core is connected with the exhaust tower, the front that sprays the jar is equipped with the air inlet, the right side that sprays the jar is connected with circulating water pump, circulating water.

The purpose of this setting is in passing through the feed inlet with sodium hydroxide and adding the agitator tank, add water through the inlet tube, the motor can drive puddler and stirring vane and rotate, thereby dispose out sodium hydroxide solution, first water pump can be with sodium hydroxide solution through first spray pipe blowout, make to wash with alkaline waste gas, the inlet tube can extract the alkali lye of bottom in the spray tank, and through the raceway, second spray pipe and third spray pipe wash with alkaline repeatedly waste gas, thereby make to wash with alkaline effectually, baffle and arched plate can increase the time that alkali lye stops, make exhaust-gas treatment effectual, waste gas after the processing passes through the blast pipe and gets into the filter core, the inside of filter core is equipped with the active carbon, can adsorb impurity, make up to standard gas pass through the exhaust tower and discharge.

Preferably, a second water spray pipe and a third water spray pipe are arranged inside the spraying tank, and the right ends of the second water spray pipe and the third water spray pipe are communicated with the water delivery pipe.

Preferably, the second spray pipe and the third spray pipe are both provided with spray heads.

Preferably, the spraying tank is internally provided with a partition plate and an arch plate, and the partition plate and the arch plate are respectively provided with a through hole.

Preferably, a drain pipe is arranged on the left side of the spraying tank, and a water valve is arranged on the drain pipe.

Preferably, the upside of agitator tank is equipped with the feed inlet, the upper portion of agitator tank is equipped with the motor, the welding of the output shaft lower extreme of motor has the puddler, the welding of the outside of puddler has stirring vane.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the agitator tank, in passing through the feed inlet with sodium hydroxide and adding the agitator tank, add water through the inlet tube, the motor can drive puddler and stirring vane and rotate, thereby dispose out sodium hydroxide solution, first water pump can be with sodium hydroxide solution through first spray pipe blowout, make to wash with alkaline waste gas, the inlet tube can extract the alkali lye of bottom in the spray tank, and through the raceway, second spray pipe and third spray pipe wash with alkaline waste gas repeatedly, thereby make to wash with alkaline effectually, baffle and arch-shaped plate can increase the time that alkali lye stops, make exhaust-gas treatment effectual, waste gas after the processing passes through blast pipe entering filter core, the inside of filter core is equipped with the active carbon, can adsorb impurity, excellent in treatment effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the spray tank of the present invention;

fig. 3 is the schematic diagram of the structure of the stirring tank of the utility model.

In the figure: 1. a stirring tank; 2. a first water pump; 3. connecting a water pipe; 4. a filter element; 5. a fan; 6. an exhaust column; 7. an exhaust pipe; 8. a spray tank; 9. a second water spray pipe; 10. a third water spray pipe; 11. an exhaust port; 12. a water delivery pipe; 13. a water circulating pump; 14. an arch plate; 15. a drain pipe; 16. an air inlet; 17. a partition plate; 18. a first water spray pipe; 19. a spray head; 20. a stirring rod; 21. a motor; 22. a feed inlet; 23. and (4) a water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a three-stage treatment device for waste gas in a printing and dyeing workshop, which comprises a stirring tank 1, wherein a spraying tank 8 is arranged on the right side of the stirring tank 1, the right side of the stirring tank 1 is connected with a first water pump 2, the right end of the first water pump 2 is provided with a connecting water pipe 3, a first spray pipe 18 is arranged inside the spray tank 8, the right end of the connecting water pipe 3 is connected with the first spray pipe 18, an exhaust port 11 is arranged on the upper side of the spraying tank 8, an exhaust pipe 7 is fixedly connected on the exhaust port 11, a fan 5 is arranged inside the exhaust pipe 7, the right end of the exhaust pipe 7 is connected with a filter element 4, the right end of the filter element 4 is connected with an exhaust tower 6, the front of the spraying tank 8 is provided with an air inlet 16, the right side of the spraying tank 8 is connected with a circulating water pump 13, the upper end of the circulating water pump 13 is provided with a water delivery pipe 12, and the upper side of the stirring tank 1 is provided with a water inlet pipe 23.

Specifically, a second water spray pipe 9 and a third water spray pipe 10 are arranged inside the spraying tank 8, and the right ends of the second water spray pipe 9 and the third water spray pipe 10 are both communicated with a water delivery pipe 12.

Specifically, the second spray pipe 9 and the third spray pipe 10 are both provided with nozzles 19.

Specifically, a partition plate 17 and a cambered plate 14 are arranged inside the spraying tank 8, and through holes are formed in the partition plate 17 and the cambered plate 14.

Specifically, a drain pipe 15 is arranged on the left side of the spraying tank 8, and a water valve is arranged on the drain pipe 15.

Specifically, the upside of agitator tank 1 is equipped with feed inlet 22, the upper portion of agitator tank 1 is equipped with motor 21, the welding of output shaft lower extreme of motor 21 has puddler 20, the welding of the outside of puddler 20 has stirring vane.

Specifically, during the use, in adding agitator tank 1 through feed inlet 22 with sodium hydroxide, add water through inlet tube 23, motor 21 can drive puddler 20 and stirring vane and rotate, thereby dispose out sodium hydroxide solution, first water pump 2 can pass through 18 blowout of first spray pipe with sodium hydroxide solution, make to wash with alkaline waste gas, inlet tube 23 can extract the alkali lye of bottom in the spray tank 8, and through raceway 12, second spray pipe 9 and third spray pipe 10 wash with alkaline waste gas repeatedly, thereby make to wash with alkaline effectually, baffle 17 and arched plate 14 can increase the time that alkali lye dwells, make exhaust-gas treatment effectual, waste gas after the processing passes through blast pipe 7 and gets into filter core 4, the inside of filter core 4 is equipped with the active carbon, can adsorb impurity, make gas after up to standard discharge through exhaust tower 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tertiary processing apparatus of printing and dyeing workshop waste gas, includes agitator tank (1), its characterized in that: the right side of the stirring tank (1) is provided with a spraying tank (8), the right side of the stirring tank (1) is connected with a first water pump (2), the right end of the first water pump (2) is provided with a connecting water pipe (3), the inside of the spraying tank (8) is provided with a first water spray pipe (18), the right end of the connecting water pipe (3) is connected with the first water spray pipe (18), the upside of the spraying tank (8) is provided with an exhaust port (11), the exhaust pipe (7) is fixedly connected with the exhaust port (11), the inside of the exhaust pipe (7) is provided with a fan (5), the right end of the exhaust pipe (7) is connected with a filter element (4), the right end of the filter element (4) is connected with an exhaust tower (6), the front of the spraying tank (8) is provided with an air inlet (16), the right side of the spraying tank (8) is connected with a circulating water pump (13), the upper end of the, and a water inlet pipe (23) is arranged on the upper side of the stirring tank (1).

2. The tertiary treatment device for the waste gas of the printing and dyeing workshop according to claim 1, characterized in that: the spray tank (8) is internally provided with a second spray pipe (9) and a third spray pipe (10), and the right ends of the second spray pipe (9) and the third spray pipe (10) are communicated with a water delivery pipe (12).

3. The tertiary treatment device for the waste gas of the printing and dyeing workshop according to claim 2, characterized in that: and the second water spraying pipe (9) and the third water spraying pipe (10) are respectively provided with a spray head (19).

4. The tertiary treatment device for the waste gas of the printing and dyeing workshop according to claim 1, characterized in that: the spraying tank (8) is internally provided with a partition plate (17) and an arch plate (14), and the partition plate (17) and the arch plate (14) are respectively provided with a through hole.

5. The tertiary treatment device for the waste gas of the printing and dyeing workshop according to claim 1, characterized in that: the left side of spraying tank (8) is equipped with drain pipe (15), be equipped with the water valve on drain pipe (15).

6. The tertiary treatment device for the waste gas of the printing and dyeing workshop according to claim 1, characterized in that: the upside of agitator tank (1) is equipped with feed inlet (22), the upper portion of agitator tank (1) is equipped with motor (21), the welding of the output shaft lower extreme of motor (21) has puddler (20), the welding of the outside of puddler (20) has stirring vane.