CN219150408U

CN219150408U - Chimney direct-discharge type integrated tower for treating tail gas of smelting kiln

Info

Publication number: CN219150408U
Application number: CN202320226997.7U
Authority: CN
Inventors: 张殿坤; 李坤; 张鹏; 张晶静
Original assignee: Anhui Jinsenyuan Environmental Engineering Co ltd
Current assignee: Anhui Jinsenyuan Environmental Engineering Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-09
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a chimney straight-line integrated tower for treating smelting kiln tail gas, which comprises a tower body, wherein the upper end of the tower body is fixedly connected with a wet electric dust collector, the lower end of the tower body is fixedly connected with a tower seat, the outer wall of the tower seat is fixedly connected with stirrers distributed in a surrounding manner, one side of the tower seat is fixedly connected with a slurry circulating pump through a conduit, the liquid outlet end of the slurry circulating pump is connected with an electric control valve through a conduit, the other end of the electric control valve is connected with a lower spraying device through a conduit, the lower spraying device is uniformly arranged in the tower body at equal intervals, the upper end of the wet electric dust collector is fixedly connected with an exhaust electric valve, the other end of the exhaust electric valve is fixedly connected with an exhaust pipe, and the front end of the exhaust pipe is provided with a detection hole. According to the utility model, the wet electric dust removal process equipment and the water spraying process equipment are integrated, so that the intermediate transportation link of the flue gas is reduced, the flue gas treatment difficulty can be reduced, and the flue gas treatment effect is improved.

Description

Chimney direct-discharge type integrated tower for treating tail gas of smelting kiln

Technical Field

The utility model relates to the technical field of smelting kiln tail gas treatment equipment, in particular to a chimney direct-discharge type integrated tower for smelting kiln tail gas treatment.

Background

The main pollutant in the smoke dust of the smelting kiln is a sulfur-containing and arsenic-containing compound, and as the application and research and development of new energy and new materials are advocated by the nation, the treatment of the tail gas of various smelting kiln, especially the arsenic-containing smelting kiln, is always imperfect, the emission can not reach the standard, and the environment is polluted. At present, a water spraying and wet type electric dust collector (mist) is mainly adopted for treatment, the treatment steps are generally that large particles are removed by water spraying firstly, then secondary refining treatment is carried out by the wet type electric dust collector (mist) and then the particles are discharged into the atmosphere, the integration degree is low, and the flue gas treatment difficulty is increased. Therefore, we propose a chimney straight-line type integrated tower for treating the tail gas of a smelting kiln.

Disclosure of Invention

The utility model mainly aims to provide a chimney direct-discharge type integrated tower for treating the tail gas of a smelting kiln, which reduces the intermediate transportation link of flue gas by integrating wet electric dust removal process equipment and water spraying process equipment, can reduce the difficulty of flue gas treatment, improves the flue gas treatment effect and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a chimney direct vent formula integration tower for smelting kiln tail gas is administered, includes the body of a tower, the body of a tower outside is equipped with the flue gas import, body of a tower upper end fixedly connected with wet electrostatic precipitator, body of a tower lower extreme fixedly connected with tower seat, tower seat outer wall fixedly connected with surrounds the agitator of distribution, tower seat one side is through pipe fixedly connected with thick liquid circulating pump, the liquid end of thick liquid circulating pump is through pipe connection has automatically controlled valve, the automatically controlled valve other end is through pipe connection spray set down, spray set equidistance evenly install in inside the body of a tower, wet electrostatic precipitator upper end fixedly connected with exhaust electric valve, exhaust electric valve other end fixedly connected with blast pipe, the blast pipe front end is equipped with the detection hole.

Further, the tower body with the junction of tower seat is equipped with the oxidation pipe, the air inlet end of oxidation pipe is connected with oxidation fan, and oxidation fan can be through the fresh air of oxidation pipe delivery to the tower in, improves the oxygen content in the tower, is favorable to promoting the going on of the chemical reaction in the tower.

Further, the end face of the other side of the tower seat, provided with the slurry circulating pump, is fixedly connected with a gypsum discharge pump through a guide pipe, and gypsum precipitated at the bottom of the tower seat can be discharged through the gypsum discharge pump.

Further, the tower body and the wet electric dust collector are arranged in a horn mouth shape, and an included angle between the upper end face and the side edge of the tower body is 65 degrees, so that the arrangement is favorable for expanding gas flow and improving circulation rate.

Further, spraying devices are arranged on the inner wall of the upper portion of the tower body, the number of the spraying devices is three, the two spraying devices are arranged on the upper portion of the tower body in a corresponding mode, the direction of the spraying holes of the spraying devices is opposite, the direction of the spraying holes of the spraying devices are arranged on the lower portion of the tower body in an upward mode, spraying effects can be improved through the arrangement, and impurities in smoke are precipitated.

Further, the upper side of the position of the tower body, which is provided with the spraying device, is correspondingly provided with an access hole, so that the equipment can be conveniently detected and maintained.

Further, lower spray set includes shower and shower nozzle, the shower is heliciform horizontal arrangement in inside the body of the tower, shower nozzle evenly distributed is in the shower lower extreme, this kind of setting can make liquid evenly spray inside the body of the tower, is favorable to improving the spraying effect.

Furthermore, an accident pump is arranged on one side of the tower body, the water inlet end of the accident pump is connected with an accident pool through a conduit, and the water outlet end of the accident pump is connected with the tower body through a conduit.

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

(1) According to the chimney direct-discharge type integrated tower, wet electric dust removal process equipment and water spraying process equipment are integrated, so that intermediate transportation links of smoke are reduced, the smoke treatment difficulty can be reduced, and the smoke treatment effect is improved;

(2) The spray pipes of the lower spray device are horizontally arranged in the tower body in a spiral shape, and the spray heads are uniformly distributed at the lower ends of the spray pipes, so that spray liquid can be uniformly sprayed in the tower body, and the improvement of the spray effect is facilitated;

(3) The detection holes can be used for installing on-line monitoring equipment, so that the environmental protection department can implement remote monitoring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a chimney in-line integrated tower for smelting kiln tail gas treatment;

FIG. 2 is an enlarged schematic view of the structure of a chimney in-line integrated tower A for treating the tail gas of a smelting kiln;

FIG. 3 is an enlarged schematic view of the structure of a chimney in-line integrated tower B for treating the tail gas of a smelting kiln;

fig. 4 is a schematic structural diagram of a chimney directly-discharging type integrated tower lower spraying device for treating tail gas of a smelting kiln.

In the figure: 1. a tower body; 2. a flue gas inlet; 3. wet electric dust collector; 4. a tower base; 5. a stirrer; 6. a slurry circulation pump; 7. an electric control valve; 8. a lower spraying device; 801. a shower pipe; 802. a spray head; 9. an exhaust electric valve; 10. an exhaust pipe; 11. a detection hole; 12. an oxidation tube; 13. an oxidation blower; 14. a gypsum discharge pump; 15. a spraying device is arranged; 16. an access opening; 17. an accident pump; 18. and (5) an accident pool.

Detailed Description

The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are presented as schematic drawings, rather than physical drawings, and are not to be construed as limiting the utility model, and wherein certain components of the drawings are omitted, enlarged or reduced in order to better illustrate the detailed description of the present utility model, and are not representative of the actual product dimensions.

Example 1

As shown in fig. 1-4, a chimney direct-discharge type integrated tower for treating smelting kiln tail gas comprises a tower body 1, wherein a flue gas inlet 2 is formed in the outer side of the tower body 1, a wet electric dust collector 3 is fixedly connected to the upper end of the tower body 1, a tower base 4 is fixedly connected to the lower end of the tower body 1, a stirrer 5 distributed in a surrounding mode is fixedly connected to the outer wall of the tower base 4, a slurry circulating pump 6 is fixedly connected to one side of the tower base 4 through a conduit, an electric control valve 7 is connected to the liquid outlet end of the slurry circulating pump 6 through a conduit, a lower spraying device 8 is connected to the other end of the electric control valve 7 through a conduit, the lower spraying device 8 is uniformly installed inside the tower body 1 at equal intervals, an exhaust electric valve 9 is fixedly connected to the upper end of the wet electric dust collector 3, an exhaust pipe 10 is fixedly connected to the other end of the exhaust electric valve 9, and a detection hole 11 is formed in the front end of the exhaust pipe 10.

An oxidation pipe 12 is arranged at the joint of the tower body 1 and the tower seat 4, and an air inlet end of the oxidation pipe 12 is fixedly connected with an oxidation fan 13.

The end surface of the other side of the tower seat 4, on which the slurry circulating pump 6 is arranged, is fixedly connected with a gypsum discharge pump 14 through a conduit.

The junction of the tower body 1 and the wet electric dust collector 3 is in a horn mouth shape, and the included angle between the upper end surface of the tower body 1 and the side edge is 65 degrees.

The inner wall of the upper part of the tower body 1 is provided with three upper spraying devices 15, the nozzle directions of the two upper spraying devices 15 positioned on the upper part are oppositely arranged, and the nozzle directions of the upper spraying devices 15 positioned on the lower part are upward.

The tower body 1 is correspondingly provided with an access opening 16 at the upper side of the position where the spraying device is arranged.

The lower spraying device 8 comprises a spraying pipe 801 and a spray nozzle 802, wherein the spraying pipe 801 is horizontally arranged in the tower body 1 in a spiral shape, and the spray nozzle 802 is uniformly distributed at the lower end of the spraying pipe 801.

An accident pump 17 is arranged on one side of the tower body 1, the water inlet end of the accident pump 17 is connected with an accident pool 18 through a conduit, and the water outlet end of the accident pump 17 is connected with the tower body 1 through a conduit.

Through the scheme: the tail gas of the smelting kiln enters the bottom of the tower body 1 through the flue gas inlet 2, the slurry circulating pump 6 arranged at the tower seat 4 is operated to pump the slurry in the tower seat 4 to the lower spraying device 8, the slurry is uniformly sprayed into the tower body 1 through the spray nozzle 802, particles in the flue gas are attached to water drops to be deposited to the bottom of the tower seat 4, the oxidation blower 13 can convey fresh air into the tower through the oxidation pipe 12, the oxygen content in the tower is improved, the promotion of chemical reaction in the tower is facilitated, gypsum deposited at the bottom of the tower seat 4 can be discharged through the gypsum discharge pump 14, after preliminary deposition, the residual flue gas is up to the wet electric dust collector 3 for secondary treatment deposition, the residual flue gas is discharged through the exhaust pipe 10 after secondary treatment, and the front end of the exhaust pipe 10 is provided with a detection hole 11 which can be used for installing on-line monitoring equipment, so that the environmental protection department can implement remote monitoring.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A chimney straight-line type integrated tower for smelting kiln tail gas treatment, includes tower body (1), its characterized in that: the utility model discloses a wet electric dust collector, including tower body (1), wet electric dust collector (3), tower body (1) upper end fixedly connected with tower seat (4), tower seat (4) outer wall fixedly connected with surrounds agitator (5) of distribution, tower seat (4) one side is through pipe fixedly connected with thick liquid circulating pump (6), the liquid outlet end of thick liquid circulating pump (6) is through pipe connection has automatically controlled valve (7), automatically controlled valve (7) other end is through pipe connection spray set (8) down, spray set (8) equidistance evenly install in inside tower body (1), wet electric dust collector (3) upper end fixedly connected with exhaust electric valve (9), exhaust electric valve (9) other end fixedly connected with blast pipe (10), blast pipe (10) front end is equipped with detection hole (11).

2. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: an oxidation pipe (12) is arranged at the joint of the tower body (1) and the tower seat (4), and an oxidation fan (13) is connected to the air inlet end of the oxidation pipe (12).

3. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: the end face of the other side of the tower seat (4) provided with the slurry circulating pump (6) is fixedly connected with a gypsum discharge pump (14) through a conduit.

4. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: the junction of the tower body (1) and the wet electric dust collector (3) is in a horn mouth shape, and the included angle between the upper end surface of the tower body (1) and the side edge is 65 degrees.

5. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: the inner wall of the upper part of the tower body (1) is provided with upper spraying devices (15), the number of the upper spraying devices (15) is three, the two groups of the upper spraying devices (15) are arranged on the upper part in a way that the nozzle directions of the upper spraying devices (15) are opposite, and the nozzle directions of the upper spraying devices (15) on the lower part are upward.

6. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: the upper side of the tower body (1) where the spraying device is arranged is correspondingly provided with an access hole (16).

7. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: the lower spraying device (8) comprises a spraying pipe (801) and a spray head (802), wherein the spraying pipe (801) is horizontally arranged in a spiral mode inside the tower body (1), and the spray head (802) is uniformly distributed at the lower end of the spraying pipe (801).

8. A chimney in-line integrated tower for smelting kiln tail gas abatement as claimed in claim 1, wherein: an accident pump (17) is arranged on one side of the tower body (1), the water inlet end of the accident pump (17) is connected with an accident pool (18) through a conduit, and the water outlet end of the accident pump (17) is connected with the tower body (1) through a conduit.