CN204816203U - Acid mist purification tower for acid gas treatment - Google Patents

Abstract

The utility model relates to an acid mist purifying tower for treating acid gas. The acid mist purification tower for treating the acid gas comprises a tower body, wherein a tower cover is arranged at the top end of the tower body, and an air outlet is formed in the tower cover; the bottom of the tower body is provided with an absorption liquid tank, and a plurality of spraying units are arranged above the absorption liquid tank; the spraying unit comprises a grating, a packing layer is arranged on the upper surface of the grating, and a water sprayer is arranged above the packing layer; a defogging layer grid is arranged above the spraying unit, and a defogging layer is arranged on the upper surface of the defogging layer grid; the air inlet has been seted up to the tower body lateral wall, and the air inlet is connected with gas distribution pipe, and gas distribution pipe is located and sprays between unit and the absorption cistern, is equipped with a plurality of perpendicular decurrent bubbling pipes on the gas distribution pipe, and the bubbling pipe stretches into absorption cistern liquid level below. The utility model discloses simple structure, reasonable in design, convenient operation, corrosion resisting property is strong, and acid gas treatment is efficient, has easy maintenance, compact structure, takes up an area of characteristics such as few.

Description

Acid mist purification tower for acid gas treatment

technical field

The utility model relates to an acid mist purification tower for treating acid gas.

Background technique

The acid gas waste gas treatment device is used for _NOx , SO ₂ , H ₂ SO ₄ , HCl, HF, SIF ₄ , CO ₂ , etc. produced in chemical industry, electroplating, hardware, electrical appliances, medicine, printing and dyeing, telecommunications, watches and other mechanical processing industries Purification of toxic and harmful gases; also suitable for deodorization of ammonia, hydrogen sulfide, phenol phosgene, formaldehyde, methanol, amines and other odorous substances. The traditional acid gas waste gas treatment device has complex structure, cumbersome operation, unsatisfactory treatment effect of acid gas waste gas and low production efficiency.

Utility model content

In view of the above problems, the utility model proposes an acid mist purification tower for treating acid gas.

In order to solve this technical problem, the utility model adopts the following proposals: an acid mist purification tower for treating acid gas, including a tower body, a tower cover is provided on the top of the tower body, and a gas outlet is opened on the tower cover; the tower body An absorption liquid tank is arranged at the bottom, and a plurality of spray units are arranged above the absorption liquid tank; the spray unit includes a grille, a packing layer is arranged on the upper surface of the grille, and a water sprinkler is arranged above the packing layer; There is a demisting layer grill above the shower unit, and a demisting layer is provided on the upper surface of the demisting layer grille; the side wall of the tower body is provided with an air inlet, and the air inlet is connected to a gas distribution pipe, and the gas distribution pipe is located at the nozzle. Between the shower unit and the absorption liquid tank, a plurality of vertically downward bubbling tubes are arranged on the gas distribution pipe, and the bubbling tubes extend below the liquid surface of the absorption liquid tank.

Further, a dosing bucket is connected to the absorption liquid tank.

Further, the absorption liquid tank is provided with a liquid infusion pipeline for transporting the absorption liquid from the absorption liquid tank to the water sprayer, and an absorption liquid circulation pump is arranged on the infusion liquid pipeline.

Further, the tower body is a fiberglass tower body.

Further, the side wall of the tower is provided with manholes for maintenance.

Further, it is characterized in that: the grids and the defogging layer grids are both fiberglass grids.

By adopting the aforementioned technical scheme, the beneficial effects of the utility model are: the utility model has simple structure, reasonable design, convenient operation, strong corrosion resistance, high acid gas treatment efficiency, 95% neutralization and removal effect, discharge port<10PPM, has It has the characteristics of convenient maintenance, compact structure, and less land occupation.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Among them, 1. Tower body, 2. Grille, 3. Packing layer, 4. Water sprinkler, 5. Demister layer grille, 6. Demist layer, 7. Tower cover, 8. Air outlet, 9. Air inlet, 10, dosing barrel, 11, infusion pipeline, 12, gas distribution pipe, 13, absorption liquid circulation pump, 14, absorption liquid tank, 15, bubbling pipe.

Detailed ways

The utility model is further described now in conjunction with accompanying drawing and specific embodiment.

Referring to Fig. 1, this embodiment discloses an acid mist purification tower for treating acid gas, comprising a tower body 1, a tower cover 7 is provided at the top of the tower body 1, and a gas outlet 8 is provided on the tower cover 7; There is an absorption liquid tank 14, and two spray units are arranged above the absorption liquid tank 14; the spray unit includes a grid 2, the upper surface of the grid 2 is provided with a packing layer 3, and a water sprayer 4 is provided above the packing layer 3; The spray unit is provided with a defogging layer grid 5, and the upper surface of the defogging layer grid 5 is provided with a defogging layer 6; the side wall of the tower body 1 is provided with an air inlet 9, and the air inlet 9 is connected to a gas distribution pipe 12 , the gas distribution pipe 12 is located between the spray unit and the absorption liquid tank 14, the gas distribution pipe 12 is provided with three vertically downward bubbling tubes 15, and the bubbling tubes 15 extend into the absorption liquid tank 14 below the liquid surface.

The absorption liquid tank 14 is connected with a dosing barrel 10; the absorption liquid tank 14 is provided with an infusion pipeline 11 for transporting the absorption liquid from the absorption liquid tank 14 to the water sprayer 4, and the infusion pipeline 11 is provided with an absorption liquid circulation pump 13; The tower body 1 is a fiberglass tower body; the side wall of the tower body 1 is provided with manholes for maintenance; the grille 2 and the defogging layer grille 5 are all fiberglass grilles.

During work, the acid gas to be treated enters the tower body 1 from the air inlet 9, is distributed through the gas distribution pipe 12, and enters the absorption liquid tank 14 from the bubble tube 15, and the absorption liquid tank 14 is filled with alkaline liquid, most of the acid gas A neutralization reaction occurs with the alkaline liquid, the unreacted acid gas and insoluble gas rise along the tower body 1, the alkaline liquid sprayed from the water sprayer 4 goes downward, and contacts the acid gas reversely, and at the same time, the alkaline liquid is in the packing layer 3 A liquid film is formed on the surface, which increases the contact area between the gas and the liquid, and handles the acid gas; the insoluble gas with water mist passes through the defogging layer 6 and then is discharged from the gas outlet 8.

This acid mist purification tower for acid gas treatment has simple structure, reasonable design, convenient operation, strong corrosion resistance, high acid gas treatment efficiency, 95% neutralization removal effect, discharge port <10PPM, convenient maintenance and compact structure , Small footprint and so on.

The above records are only examples of using the technical content of this creation. Any modifications and changes made by those who are familiar with this technology using this creation belong to the scope of patents claimed by this creation, and are not limited to those disclosed in the examples.

Claims (6)

1. An acid mist purification tower for treating acid gas, characterized in that it includes a tower body (1), a tower cover (7) is provided on the top of the tower body (1), and a gas outlet is opened on the tower cover (7) (8); the bottom of the tower body (1) is provided with an absorption liquid tank (14), and a plurality of spray units are provided above the absorption liquid tank (14); the spray unit includes a grid (2), a grid (2) A packing layer (3) is provided on the upper surface, and a water sprinkler (4) is provided above the packing layer (3); a defogging layer grid (5) is provided above the spraying unit, and the defogging layer grid A defogging layer (6) is provided on the upper surface of the grid (5); an air inlet (9) is opened on the side wall of the tower body (1), and the air inlet (9) is connected with a gas distribution pipe (12). The pipe (12) is located between the spray unit and the absorption liquid tank (14), the gas distribution pipe (12) is provided with multiple vertically downward bubbling pipes (15), and the bubbling pipes (15) extend into the absorption liquid Below the tank (14) liquid level. 2. The acid mist purification tower for treating acid gas according to claim 1, characterized in that: the absorption liquid tank (14) is connected with a dosing barrel (10). 3. The acid mist purification tower for treating acid gas according to claim 1, characterized in that: the absorption liquid tank (14) is equipped with a device for transporting the absorption liquid from the absorption liquid tank (14) to the water spray The infusion pipeline (11) of the device (4) is provided with an absorption liquid circulation pump (13) on the infusion pipeline (11). 4. The acid mist purification tower for treating acid gas according to claim 1, characterized in that: the tower body (1) is a fiberglass tower body. 5. The acid mist purification tower for treating acid gas according to claim 1, characterized in that: the side wall of the tower body (1) is provided with manholes for maintenance. 6. The acid mist purification tower for treating acid gas according to claim 1, characterized in that: the grid (2) and the defogging layer grid (5) are both fiberglass grids.