CN216171315U

CN216171315U - A whirl spray column for exhaust-gas treatment

Info

Publication number: CN216171315U
Application number: CN202122315984.0U
Authority: CN
Inventors: 金家林
Original assignee: Jiangxi Xiande New Material Co ltd
Current assignee: Jiangxi Xiande New Material Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-05
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a rotational flow spray tower for waste gas treatment, which comprises a tower body, wherein two spray branch pipes are arranged in the tower body, spray heads are arranged on the spray branch pipes, a first rotational flow layer, a second rotational flow layer, a first packing layer and a second packing layer are respectively arranged below the spray heads, and the first rotational flow layer and the second rotational flow layer respectively comprise an upper plate, a lower plate and helical blades; the spiral blades of the first rotational flow layer and the second rotational flow layer are arranged in a staggered mode; a plurality of holes which are uniformly distributed are arranged on the upper layer plate and the lower layer plate; the bottom of tower body is connected with the connecting pipe through filter equipment, and the other end of connecting pipe is connected with the liquid reserve tank, and this liquid reserve tank is connected with the shower, and this shower is connected with two showers and is in charge of. The utility model is provided with two spraying layers and a rotational flow layer, so that the waste gas is fully contacted with the sprayed liquid, the spraying is uniform, meanwhile, through the arrangement of the filtering device, impurities and sediments are reduced to participate in the circulation, the whole circulation system is smooth, and the working efficiency is improved.

Description

A whirl spray column for exhaust-gas treatment

Technical Field

The utility model relates to the field of production and processing of chemical products, in particular to a rotational flow spray tower for waste gas treatment.

Background

Bisphenol S, whose chemical name is 4, 4' -dihydroxy diphenyl sulfone, has many excellent properties of heat resistance, light resistance, oxidation resistance and the like, and is an important synthetic raw material for pesticides, dyes, auxiliary agents, high molecular compounds and various engineering plastics. In the bisphenol S production process, the waste gas that produces directly discharges and can the contaminated air in the air, need let in the spray column and carry out exhaust-gas treatment, sprays the waste gas that enters into in the spray column, and a plurality of shower nozzles of fixed mounting in the spray column under the general condition spray inhomogeneous condition appear easily among the prior art. Meanwhile, the time for temporarily storing the waste gas in the spray tower is short, so that the waste gas cannot be optimally treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a rotational flow spray tower for waste gas treatment, which sprays uniformly, aiming at the defects of the prior art.

The technical scheme adopted by the utility model is as follows:

a rotational flow spray tower for waste gas treatment comprises a tower body, wherein a waste gas inlet pipe is arranged on one side of the tower body, two spray branch pipes are arranged in the tower body and positioned above the waste gas inlet pipe, a plurality of spray heads which are arranged at intervals downwards are arranged on the spray branch pipes, a first rotational flow layer and a second rotational flow layer are respectively arranged below the spray heads, a first packing layer and a second packing layer are respectively arranged below the first rotational flow layer and the second rotational flow layer, the first rotational flow layer and the second rotational flow layer respectively comprise an upper layer plate and a lower layer plate which are arranged at intervals, and a plurality of helical blades which are arranged at intervals are arranged between the upper layer plate and the lower layer plate; the spiral blades of the first rotational flow layer and the second rotational flow layer are arranged in a staggered mode; a plurality of holes which are uniformly distributed are arranged on the upper layer plate and the lower layer plate; the bottom of the tower body is connected with a connecting pipe through a filtering device, the other end of the connecting pipe is connected with a liquid storage tank, the liquid storage tank is connected with a spray pipe, the spray pipe is connected with two spray branch pipes, and pump bodies are arranged on the connecting pipe and the spray pipe; the top of the tower body is provided with an exhaust port.

Preferably, a demister is arranged above the spraying branch pipe, and an activated carbon layer is arranged above the demister.

Preferably, the filter device comprises a shell, filter cloth, a first filter screen, a second filter screen and a liquid inlet, the liquid inlet is connected with the tower body, and the first filter screen, the second filter screen and the filter cloth are sequentially arranged in the shell.

Further preferably, the aperture of the second filter is smaller than the aperture of the first filter.

Preferably, the top of the liquid storage tank is provided with a liquid inlet pipe.

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

the utility model is provided with two layers of spraying devices and a rotational flow layer, so that the waste gas is fully contacted with the sprayed liquid, the spraying is uniform, meanwhile, through the arrangement of the filtering device, impurities and sediments are reduced to participate in the circulation, the whole circulation system is smooth, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the filter apparatus of FIG. 1;

illustration of the drawings: 1-tower body, 2-activated carbon layer, 3-demister, 4-first cyclone layer, 5-first packing layer, 6-second cyclone layer, 7-second packing layer, 8-waste gas inlet pipe, 9-filtering device, 901-shell, 902-filter cloth, 903-second filter screen, 904-first filter screen, 905-liquid inlet, 10-connecting pipe, 11-liquid storage tank, 12-liquid inlet pipe, 13-spray pipe, 14-spray head, 15-spray branch pipe and 16-exhaust port.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a whirl spray column for exhaust-gas treatment, includes tower body 1, one side of tower body 1 is equipped with waste gas and advances a

tub

8, and 1 inside waste gas that is located of tower body advances the top of tub 8 and is equipped with two and sprays and divide a tub 15, spray and be equipped with shower 14 that a plurality of intervals set up down on dividing tub 15, the below of shower 14 is equipped with first whirl layer 4 and second whirl layer 6 respectively, and the below on first whirl layer 4 and second whirl layer 6 is equipped with first packing layer 5 and second packing layer 7 respectively, first whirl layer 4 and second whirl layer 6 all include the upper plate and the lower plywood that the interval set up, be equipped with the helical blade that a plurality of intervals set up between upper plate and the lower plywood, improve waste gas at the spray column stroke, make spray liquid and waste gas fully contact, spray evenly. In order to further ensure that the waste gas and the spray liquid are fully contacted, the spiral blades of the first spiral flow layer 4 and the second spiral flow layer 6 are arranged in a staggered mode. A plurality of holes which are uniformly distributed are arranged on the upper plate and the lower plate, so that the spraying liquid flows into the first rotational flow layer 4 and the second rotational flow layer 6. The top of the tower body 1 is provided with an exhaust port 16.

The bottom of tower body 1 is connected with connecting pipe 10 through filter equipment 9, and the other end of connecting pipe 10 is connected with liquid reserve tank 11, and filter equipment 9 sets up impurity and precipitate in the spray liquid of avoiding tower body 1 interior bottom to participate in the circulation. The liquid storage tank 11 is connected with a spray pipe 13, the spray pipe 13 is connected with two spray branch pipes 15, and pump bodies are arranged on the connecting pipe 10 and the spray pipe 13.

More specifically, a demister 3 is arranged above the spraying branch pipe 15, and the demister 3 is an existing common device and is not described herein. An activated carbon layer 2 is arranged above the demister 3.

For better impurity and precipitate that filter tower body 1 bottom lets in liquid reserve tank 11, filter equipment 9 includes casing 901, filter cloth 902, first filter screen 904, second filter screen 903, inlet 905, and inlet 905 is connected with tower body 1, and first filter screen 904, second filter screen 903 and filter cloth 902 are located in the casing 901 in proper order. The aperture of the second filter 903 is smaller than the aperture of the first filter 904.

In order to facilitate the replacement of the spraying liquid, the top of the liquid storage tank 11 is provided with a liquid inlet pipe 12.

The foregoing merely represents preferred embodiments of the utility model, which are described in some detail and detail, and therefore should not be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A rotational flow spray tower for waste gas treatment comprises a tower body and is characterized in that a waste gas inlet pipe is arranged on one side of the tower body, two spray branch pipes are arranged above the waste gas inlet pipe inside the tower body, a plurality of spray heads arranged at intervals downwards are arranged on the spray branch pipes, a first rotational flow layer and a second rotational flow layer are respectively arranged below the spray heads, a first packing layer and a second packing layer are respectively arranged below the first rotational flow layer and the second rotational flow layer, the first rotational flow layer and the second rotational flow layer respectively comprise an upper layer plate and a lower layer plate which are arranged at intervals, and a plurality of helical blades which are arranged at intervals are arranged between the upper layer plate and the lower layer plate; the spiral blades of the first rotational flow layer and the second rotational flow layer are arranged in a staggered mode; a plurality of holes which are uniformly distributed are arranged on the upper layer plate and the lower layer plate; the bottom of the tower body is connected with a connecting pipe through a filtering device, the other end of the connecting pipe is connected with a liquid storage tank, the liquid storage tank is connected with a spray pipe, the spray pipe is connected with two spray branch pipes, and pump bodies are arranged on the connecting pipe and the spray pipe; the top of the tower body is provided with an exhaust port.

2. The rotational flow spray tower for waste gas treatment according to claim 1, wherein a demister is arranged above the spray branch pipe, and an activated carbon layer is arranged above the demister.

3. The rotational flow spray tower for waste gas treatment according to claim 1, wherein the filtering device comprises a housing, a filter cloth, a first filter screen, a second filter screen, and a liquid inlet, the liquid inlet is connected with the tower body, and the first filter screen, the second filter screen, and the filter cloth are sequentially disposed in the housing.

4. The rotational flow spray tower for waste gas treatment according to claim 3, wherein the aperture of the second filter is smaller than the aperture of the first filter.

5. The rotational flow spray tower for waste gas treatment according to claim 1, wherein the top of the liquid storage tank is provided with a liquid inlet pipe.