CN217247968U

CN217247968U - Acid mist absorption tower with multi-layer structure

Info

Publication number: CN217247968U
Application number: CN202220083946.9U
Authority: CN
Inventors: 刘普杰
Original assignee: Ganzhou Qifei New Material Co ltd
Current assignee: Ganzhou Qifei New Material Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-23
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to a multilayer structure acid mist absorption tower, including the tower body, the blast pipe, intake pipe and circulation case, the circulation case is connected with the shower, be equipped with a plurality of interval parallel arrangement's branch spray pipe on the shower, inside branch spray pipe all stretched into the tower body, branch spray pipe's bottom was equipped with the shower nozzle that a plurality of intervals set up, the shower nozzle below all is equipped with the spoiler, be equipped with the convex type groove that a plurality of intervals set up on the spoiler, the below of this spoiler is equipped with the slow flow layer, the slow flow layer is including the third cross the orifice plate, orifice plate and first orifice plate of crossing are crossed to the second, first baffle and second baffle that the orifice plate and third cross to divide equally between orifice plate and the orifice plate do not be equipped with vertical interval parallel arrangement are crossed to first baffle and second baffle, the crisscross setting of first baffle and second baffle, the below on slow flow layer is equipped with the packing layer. The utility model discloses a multilayer sprays and multilayer purification structure comes the effectual harmful gas who purifies in the acid mist, and acid mist purification efficiency is high, and the purification degree is not enough, and it is comparatively convenient to use.

Description

Acid mist absorption tower with multi-layer structure

Technical Field

The utility model relates to a rare earth oxide production and processing technology field, concretely relates to multi-level structure acid mist absorption tower.

Background

Acid mist absorption towers are also called: the acid gas purifying tower, the acid mist purifying tower and the waste gas purifying tower have the characteristics of wide application range, high purifying efficiency, low equipment resistance and small occupied area, can reasonably and effectively purify harmful gas in acid mist, and are mainly used for treating waste acid collected in the rare earth oxide preparation process in the rare earth acid dissolving process, wherein the rare earth acid dissolving process is used for purifying rare earth, adding concentrated acid, dissolving rare earth and other impurities in acid, and changing some impurity elements into precipitate by adjusting the pH value and keeping the precipitate in filter residue to finally obtain purer rare earth oxide.

The existing acid mist absorption tower has certain defects in use, and incomplete absorption easily occurs in the acid mist absorption process, so that environmental pollution is caused, the acid mist purification efficiency is not high, the purification degree is not enough, and the use is time-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a multilayer structure acid mist absorption tower.

The utility model discloses the technical scheme who adopts does:

a multi-layer structure acid mist absorption tower comprises a tower body, an exhaust pipe, an air inlet pipe and a circulation box, wherein the air inlet pipe is arranged at the bottom of one side of the tower body, the exhaust pipe is arranged at the top of the tower body, the circulation box is communicated with the bottom of the tower body and is arranged at one side far away from the air inlet pipe, the circulation box is connected with a spray pipe, a circulating pump is arranged on the spray pipe, a plurality of spray branch pipes which are arranged in parallel at intervals are arranged on the spray pipe, the spray branch pipes all extend into the tower body, a plurality of spray heads which are arranged at intervals are arranged at the bottoms of the spray branch pipes, spoilers are arranged below the spray heads, a plurality of convex grooves which are arranged at intervals are arranged on the spoilers, a slow flow layer is arranged below the spoilers, the slow flow layer comprises a third perforated plate, a second perforated plate and a first perforated plate which are arranged in parallel at intervals from top to bottom, a first baffle plate and a second perforated plate, a second perforated plate and a third perforated plate are evenly arranged at intervals and are arranged at parallel and are respectively arranged between the first baffle plate and the second perforated plate, the first baffle and the second baffle are arranged in a staggered mode, and a filling layer is arranged below the slow flow layer.

Preferably, the tower body is internally provided with an even hole plate, the even hole plate is arranged above the air inlet pipe, and the even hole plate is provided with through holes which are evenly arranged.

Further preferably, a demister is arranged at the top of the tower body.

Further preferably, an activated carbon layer is arranged above the demister.

Further preferably, the number of the branch spray pipes is not less than 2, and the number of the spray heads on each branch spray pipe is 3.

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

the utility model discloses a multilayer sprays and multilayer purification structure comes the effectual harmful gas who purifies in the acid mist, and acid mist purification efficiency is high, and the purification degree is not enough, and it is comparatively convenient to use.

Drawings

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

FIG. 2 is a schematic structural view of a uniform hole plate according to the present invention;

illustration of the drawings: 1-tower body, 2-exhaust pipe, 3-active carbon layer, 4-demister, 5-spray pipe, 6-spray branch pipe, 7-spray head, 8-liquid filling opening, 9-circulating pump, 10-circulating box, 11-air inlet pipe, 12-uniform pore plate, 1201-through hole, 13-first pore passing plate, 14-first baffle, 15-second pore passing plate, 16-second baffle, 17-third pore passing plate, 18-packing layer, 19-convex groove and 20-spoiler.

Detailed Description

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

The utility model provides a multilayer structure acid mist absorption tower, includes tower body 1, blast pipe 2, intake pipe 11 and circulation case 10, one side bottom of tower body 1 is located to intake pipe 11, the top of tower body 1 is located to blast pipe 2, circulation case 10 is linked together and locates the one side of keeping away from intake pipe 11 with 1 bottom of tower body, and circulation case 10 is connected with shower 5, is equipped with circulating pump 9 on this shower 5, and the top of circulation case 10 is equipped with filling opening 8. Be equipped with a plurality of interval parallel arrangement's spray pipe 6 on the shower pipe 5, inside spray pipe 6 all stretched into tower body 1, the bottom of spray pipe 6 was equipped with shower nozzle 7 that a plurality of intervals set up, and reaction solution is gone into spray pipe 6 through circulating pump 9 pump and is down spouted by shower nozzle 7 again.

In order to make the solution and the acid mist fully react, the travel time of the acid mist in the tower body 1 is increased. The shower nozzle 7 below all is equipped with spoiler 20, is equipped with the convex groove 19 of a plurality of interval settings on spoiler 20, and the structure of this convex groove 19 can effectually slow down the acid mist velocity of flow. The below of spoiler 20 is equipped with and delays the class layer, delays the class layer including from top to bottom interval parallel arrangement's third cross orifice plate 17, second via hole board 15 and first cross orifice plate 13, first cross orifice plate 13 and second cross orifice plate 15, second cross and divide equally between orifice plate 15 and the third cross orifice plate 17 and do not be equipped with vertical interval parallel arrangement's first baffle 14 and second baffle 16, first baffle 14 and the crisscross setting of second baffle 16, and the third is crossed and is equipped with even respective hole on orifice plate 17, second via hole board 15 and the first orifice plate 13 of crossing, and crisscross respective baffle can effectively improve the stroke time of acid mist. And a packing layer 18 is arranged below the slow flow layer.

In order to make acid mist get into tower body 1 back evenly distributed, tower body 1 is inside to be equipped with equal orifice plate 12, and this equal orifice plate 12 is equipped with the through-hole 1201 of even setting on the equal orifice plate 12 in the top of locating intake pipe 11.

More specifically, a demister 4 is arranged at the top of the tower body 1. And an activated carbon layer 3 is arranged above the demister 4.

More specifically, the number of the spray branch pipes 6 is not less than 2, and the number of the spray heads 7 on each spray branch pipe 6 is 3.

The foregoing description represents only the preferred embodiments of the present invention, and the description is more specific and detailed, but should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a multilayer structure acid mist absorption tower, includes tower body (1), blast pipe (2), intake pipe (11) and circulation case (10), its characterized in that, one side bottom of tower body (1) is located in intake pipe (11), the top of tower body (1) is located in blast pipe (2), circulation case (10) are linked together and locate the one side of keeping away from intake pipe (11) with tower body (1) bottom, and circulation case (10) are connected with shower (5), are equipped with circulating pump (9) on this shower (5), be equipped with spray branch pipe (6) of a plurality of interval parallel arrangement on shower (5), spray branch pipe (6) all stretch into inside tower body (1), and the bottom of spray branch pipe (6) is equipped with shower nozzle (7) that a plurality of intervals set up, shower nozzle (7) below all is equipped with spoiler (20), is equipped with protruding type groove (19) that a plurality of intervals set up on spoiler (20), the below of this spoiler (20) is equipped with the unhurried current layer, and the unhurried current layer is including from top to bottom interval parallel arrangement's third cross orifice plate (17), orifice plate (15) and first cross orifice plate (13) are crossed to the second in proper order, first baffle (14) and second baffle (16) that are equipped with vertical interval parallel arrangement are divided equally respectively to first cross orifice plate (13) and second cross orifice plate (15) and third between orifice plate (17), first baffle (14) and second baffle (16) crisscross setting, the below on unhurried current layer is equipped with packing layer (18).

2. The acid mist absorption tower with the multi-layered structure as claimed in claim 1, wherein a uniform hole plate (12) is arranged inside the tower body (1), the uniform hole plate (12) is arranged above the air inlet pipe (11), and through holes (1201) are uniformly arranged on the uniform hole plate (12).

3. The multilayer structure acid mist absorption tower of claim 1, characterized in that the top of the tower body (1) is provided with a demister (4).

4. The acid mist absorption tower of claim 3, wherein an activated carbon layer (3) is arranged above the demister (4).

5. The multilayer structure acid mist absorption tower of claim 1, wherein the number of the branch spray pipes (6) is not less than 2, and the number of the spray heads (7) on each branch spray pipe (6) is 3.