CN215276538U

CN215276538U - Tail gas treatment device in sulfuric acid production process

Info

Publication number: CN215276538U
Application number: CN202121522596.3U
Authority: CN
Inventors: 成其明; 路怀印; 刘玉兰; 武庆玲
Original assignee: Shandong Mingda Chemical Technology Co Ltd
Current assignee: Shandong Mingda Chemical Technology Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-24
Anticipated expiration: 2031-07-06

Abstract

The utility model belongs to the technical field of the tail gas treatment, specifically disclose a tail gas processing apparatus in sulphuric acid production process, the power distribution box comprises a box body, the top of box is equipped with the blast pipe, the top of box is equipped with normal running fit's intake pipe with it, the vertical setting of intake pipe, the top of box is equipped with the rotatory actuating mechanism of drive intake pipe around its central axis, the lower extreme of intake pipe is connected with the connecting box, the one end of the outlet duct of a plurality of levels settings is connected to the connecting box, a plurality of gas outlets that the equidistance set up are seted up to one side of outlet duct, the outlet duct is around the central annular array of connecting box, the top of connecting box is equipped with the baffle that a plurality of slopes set up, the baffle is the rectangular plate and wherein leaves the clearance between one side and the inner wall of box, three other side fixed connection box inner walls of baffle. The utility model discloses can fully handle the tail gas of sulphuric acid production.

Description

Tail gas treatment device in sulfuric acid production process

Technical Field

The utility model belongs to the tail gas treatment field specifically discloses a tail gas processing apparatus in sulphuric acid production process.

Background

Harmful gas can be produced in the production process of sulfuric acid, the environment is polluted, the tail gas is absorbed and treated by adopting a method of introducing alkali liquor in the prior art, the tail gas is directly introduced, and harmful substances in the tail gas cannot be sufficiently absorbed due to insufficient gas-liquid contact, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem to be solved by the present invention is to provide a tail gas treatment device in a sulfuric acid production process, so as to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides a tail gas processing apparatus in sulphuric acid production process, the power distribution box comprises a box body, the top of box is equipped with the blast pipe, the top of box is equipped with normal running fit's intake pipe with it, the vertical setting of intake pipe, the top of box is equipped with the rotatory actuating mechanism of drive intake pipe around its central axis, the lower extreme of intake pipe is connected with the connecting box, the one end of the outlet duct of a plurality of levels setting is connected to the connecting box, a plurality of gas outlets that the equidistance set up are seted up to one side of outlet duct, the outlet duct is around the central annular array of connecting box, the top of connecting box is equipped with the baffle that a plurality of slopes set up, the baffle is the rectangular plate and wherein leaves the clearance between one side and the inner wall of box, three other side fixed connection box inner walls of baffle.

In the above technical scheme, preferably, the upper end of the air inlet pipe is inserted into a butt joint pipe which is in running fit with the air inlet pipe, the butt joint pipe is connected with the bottom of the connection box, the two sides of the connection box are fixedly connected with the fixing plates, the fixing plates are fixedly connected with the top of the box body, and the top of the connection box is connected with the connection pipe.

In the above technical scheme, preferably, the driving mechanism includes a motor, the motor is fixedly connected to the outer side wall of the box body through a support, an output shaft of the motor is coaxially connected with a driving wheel, the outer wall of the air inlet pipe is coaxially connected with a driving wheel, and a driving belt is connected between the driving wheel and the driving wheel.

In the above technical solution, preferably, the bottom of the box body is connected with a drain pipe, and the drain pipe is provided with a control valve.

In the above technical scheme, preferably, the bottom of the box body is fixedly connected with a plurality of support legs, and the support legs are formed by right-angle plates.

In the above technical scheme, preferably, the top of box is equipped with the feed liquor pipe, feed liquor pipe upper end cover is equipped with the top cap.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses set up rotatory intake pipe, the lower extreme of intake pipe has connected the outlet duct of annular array, has set up a plurality of gas outlets on the outlet duct, like this gas can evenly enter into in the absorption liquid and with the even abundant contact of absorption liquid to improve absorptive effect, reduce the insufficient problem of tail gas treatment, and set up a plurality of baffles, can increase the time of gas and absorption liquid contact through the baffle, thereby improve the absorption rate.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram at a in fig. 2.

In the figure: the device comprises a box body 1, a liquid inlet pipe 2, a top cover 3, an air inlet pipe 4, a connecting pipe 5, a connecting box 6, a fixing plate 7, a driving wheel 8, a driving wheel 9, a driving belt 10, a motor 11, a control valve 12, a liquid discharge pipe 13, supporting legs 14, a partition plate 15, an air outlet pipe 16, a connecting box 17, an air outlet 18, a butt joint pipe 19 and an air outlet pipe 20.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below.

The tail gas treatment device in the sulfuric acid production process shown in fig. 1-3 comprises a box body 1, an exhaust pipe 20 is arranged at the top of the box body 1, an air inlet pipe 4 in running fit with the box body 1 is arranged at the top of the box body 1, the air inlet pipe 4 is vertically arranged, a driving mechanism for driving the air inlet pipe 4 to rotate around the central axis of the box body 1 is arranged at the top of the box body 1, the driving mechanism comprises a motor 11, the motor 11 is fixedly connected with the outer side wall of the box body 1 through a support, an output shaft of the motor 11 is coaxially connected with a driving wheel 9, the outer wall of the air inlet pipe 4 is coaxially connected with a driving wheel 8, and a driving belt 10 is connected between the driving wheel 9 and the driving wheel 8.

The motor 11 is connected with an external power supply through a lead, and the motor 11 drives the air inlet pipe 4 to rotate under the transmission of the driving wheel 9, the driving wheel 8 and the driving belt 10.

The lower extreme of intake pipe 4 is connected with connecting box 17, and connecting box 17 connects the one end of a plurality of levels setting outlet duct 16, and a plurality of gas outlets 18 that the equidistance set up are seted up to one side of outlet duct 16, and outlet duct 16 is around connecting box 17's central annular array, and connecting box 17's top is equipped with the baffle 15 that a plurality of slopes set up, and baffle 15 is the rectangular plate and wherein leaves the clearance between one side and the inner wall of box 1, the other three side fixed connection box 1 inner walls of baffle 15.

Outlet duct 16 rotates along with the rotation of intake pipe 4, gas outlet 18 on the outlet duct 16 is arranged in tail gas gets into the absorption liquid, through setting up a plurality of gas outlets 18, can increase the homogeneity of the contact between tail gas and the absorption liquid, and the rotation of outlet duct 16 can stir the absorption liquid, make the absorption liquid more even, clearance between baffle 15 and the box 1 is used for passing through tail gas, the position in clearance between adjacent baffle 15 and the box 1 staggers, baffle 15 can increase the time that tail gas stops in the absorption liquid like this, thereby improve the absorptivity.

The upper end cartridge of intake pipe 4 is in the butt joint pipe 19 with its normal running fit, and 6 bottoms of connecting box are connected to butt joint pipe 19, the both sides fixed connection fixed plate 7 of connecting box 6, the top of fixed plate 7 fixed connection box 1, the top of connecting box 6 is connected with connecting pipe 5. A liquid discharge pipe 13 is connected to the bottom of the case 1, and a control valve 12 is provided on the liquid discharge pipe 13. The bottom of box 1 is fixedly connected with a plurality of stabilizer blades 14, and stabilizer blade 14 constitutes for the right angle type panel. The top of box 1 is equipped with

feed liquor pipe

2, and 2 upper end covers of feed liquor pipe are equipped with top cap 3.

The connecting pipe 5 is used for being connected with a tail gas emission source, the connecting box 6 and the butt joint pipe 19 play a role in rotary connection, absorption liquid is supplemented into the box body 1 through the liquid inlet pipe 2, and the absorption liquid is discharged through the liquid discharge pipe 13.

In the present invention, the terms "mounting", "connecting", "fixing" and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, the appearances of the phrase "one embodiment," "some embodiments," "a specific embodiment," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The tail gas treatment device in the sulfuric acid production process comprises a box body (1), wherein an exhaust pipe (20) is arranged at the top of the box body (1), the tail gas treatment device is characterized in that an air inlet pipe (4) is arranged at the top of the box body (1) and is in running fit with the box body, the air inlet pipe (4) is vertically arranged, a driving mechanism for driving the air inlet pipe (4) to rotate around the central axis of the box body is arranged at the top of the box body (1), the lower end of the air inlet pipe (4) is connected with a connecting box (17), the connecting box (17) is connected with one end of a plurality of horizontally arranged air outlet pipes (16), a plurality of air outlets (18) arranged at equal intervals are formed in one side of each air outlet pipe (16), the air outlet pipes (16) are arranged around the central annular array of the connecting box (17), a plurality of obliquely arranged partition plates (15) are arranged above the connecting box (17), and gaps are reserved between one side of the partition plates (15) and the inner wall of the box body (1), the other three sides of the clapboard (15) are fixedly connected with the inner wall of the box body (1).

2. The tail gas treatment device in the sulfuric acid production process according to claim 1, wherein the upper end of the air inlet pipe (4) is inserted into a butt joint pipe (19) which is in running fit with the air inlet pipe, the butt joint pipe (19) is connected with the bottom of the connecting box (6), two sides of the connecting box (6) are fixedly connected with the fixing plates (7), the fixing plates (7) are fixedly connected with the top of the box body (1), and the top of the connecting box (6) is connected with the connecting pipe (5).

3. The tail gas treatment device in the sulfuric acid production process according to claim 1, wherein the driving mechanism comprises a motor (11), the motor (11) is fixedly connected with the outer side wall of the box body (1) through a bracket, an output shaft of the motor (11) is coaxially connected with a driving wheel (9), the outer wall of the air inlet pipe (4) is coaxially connected with a driving wheel (8), and a driving belt (10) is connected between the driving wheel (9) and the driving wheel (8).

4. The tail gas treatment device in the sulfuric acid production process according to claim 1, wherein a drain pipe (13) is connected to the bottom of the tank body (1), and a control valve (12) is arranged on the drain pipe (13).

5. The tail gas treatment device in the sulfuric acid production process according to claim 1, wherein a plurality of support legs (14) are fixedly connected to the bottom of the tank body (1), and the support legs (14) are formed by right-angle plates.

6. The tail gas treatment device in the sulfuric acid production process according to claim 1, wherein a liquid inlet pipe (2) is arranged at the top of the box body (1), and a top cover (3) is arranged at the upper end cover of the liquid inlet pipe (2).