CN215388491U

CN215388491U - Waste gas environmental protection processing apparatus for ferrous metallurgy

Info

Publication number: CN215388491U
Application number: CN202121860645.4U
Authority: CN
Inventors: 何涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses an environment-friendly waste gas treatment device for ferrous metallurgy, which relates to the field of ferrous metallurgy and comprises a pipeline, wherein the pipeline is connected with a vertical section and a horizontal section through a bent pipe, dust collecting electrodes with a hexagonal structure are arranged in the pipeline in a honeycomb manner and connected to a net rack positioned below the dust collecting electrodes, a corona electrode frame is connected above the dust collecting electrodes through connecting rods, and a columnar corona electrode with the same length as the dust collecting electrodes is connected to the corona electrode frame in the direction of the central line of the inner cavity of each dust collecting electrode. According to the utility model, a plurality of fans are added, so that the waste gas filtering speed is improved, the paint mist cotton plate is added behind the traditional active carbon filtering layer, so that the device can also filter oily impurities, the filter plate is easier to replace in a simple and convenient filter plate replacing manner, and the honeycomb-shaped ionization dust removal plate is added behind the filter plate, so that fine particles and metal particles can be adsorbed on the dust collection electrode and fall down after being knocked to slide out of the collection port along the inner wall of the pipeline.

Description

Waste gas environmental protection processing apparatus for ferrous metallurgy

Technical Field

The utility model relates to the field of ferrous metallurgy, in particular to an environment-friendly waste gas treatment device for ferrous metallurgy.

Background

The exhaust gases of steel works originate mainly from the smelting process, and especially during the oxygen-blown smelting period, a large amount of exhaust gases are produced, which contain high dust concentrations and also oxidized iron oxide powder, together with incompletely melted lime.

The existing waste gas treatment device has weak filtering capacity for oily impurities, heavy metal particles and fine particles contained in waste gas, and has higher cost for filtering the waste gas, and the smoke dust can not be recycled.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an environment-friendly waste gas treatment device for ferrous metallurgy, which aims to solve the technical problems that the existing waste gas treatment device has weak filtering capability on oily impurities, heavy metal particles and fine particles contained in waste gas, has high cost for filtering the waste gas, and cannot recycle smoke dust.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waste gas environmental protection processing apparatus for ferrous metallurgy, includes the pipeline, vertical section and horizontal segment are connected by the return bend to the pipeline, the vertical section of pipeline is equipped with the collection dirt utmost point of hexagon structure and is cellular arrangement in the pipeline, and connects on being located the rack of collection dirt utmost point below, the rack is the lattice construction under the collection dirt utmost point inner chamber, the rest of rack is the enclosed construction, the rack supports through the support of connecting on the pipeline inner wall, and extends the pipeline and be connected with the hammering pad, the top of collection dirt utmost point is connected with corona polar frame through the connecting rod, corona polar frame is connected with a column corona utmost point isometric with collection dirt utmost point in the direction of every collection dirt utmost point inner chamber central line, be provided with out the dirt mouth in the bottom of pipeline elbow under the rack, the offside of the crooked pipeline in play dirt mouth top is provided with the fender dirt board, go out dirt mouth bottom and be connected with out the dirt lid, be provided with the fan branch of connecting at pipeline inner wall both ends in the horizontal pipeline of collection dirt utmost point air inlet direction, fan two is connected at the middle part of fan branch, fan two's the place ahead is connected with fan one through fan branch in the position of pipeline air inlet, the top of corona utmost point frame is connected with fan three through fan branch.

By adopting the technical scheme, the plurality of fans are added, the speed of filtering waste gas is improved, the paint mist cotton plate is added behind the traditional active carbon filtering layer, so that the device can also filter oily impurities, the filter plate can be replaced more easily by a simple and convenient filter plate replacing mode, the opening can also facilitate cleaning of accumulated dust in the pipe, and the honeycomb-shaped ionization dust removal plate is added behind the filter plate, so that fine particles and metal particles can be adsorbed on the dust collection electrode and fall down after being knocked to slide out from the collection port along the inner wall of the pipe.

The utility model is further provided with a paint mist cotton plate and an activated carbon plate between the second fan and the first fan.

Through adopting above-mentioned technical scheme, increased the cotton board of coating cloud behind traditional active carbon filter layer for this device also can filter oily impurity.

The utility model is further provided that the bottoms of the paint mist cotton plate and the activated carbon plate are provided with grooves which can be matched with the raised clamping blocks on the inner wall of the pipeline.

Through adopting above-mentioned technical scheme, the cotton board of coating cloud and active carbon board can be fixed in the assigned position of pipeline, can not produce the displacement because of the wind of fan.

The utility model is further provided that the tops of the paint mist cotton plate and the activated carbon plate are provided with opening covers which can be opened, the opening covers are rotatably connected through an opening cover rotating shaft which is connected with the outer wall of the pipeline and is horizontal to the center of the pipeline, and the tops of the opening covers are raised and provided with holes which can be connected through bolts.

Through adopting above-mentioned technical scheme, change that can be convenient the cotton board of coating cloud and active carbon board, bolted connection's opening lid enables the pipeline leakproofness better.

In summary, the utility model mainly has the following beneficial effects:

according to the utility model, the speed of filtering waste gas is improved by adding the plurality of fans, and fine particles and metal particles can be adsorbed on the dust collecting electrode by adding the honeycomb-shaped ionization dust removing plate behind the filter plate, fall down by knocking and slide out of the collecting port along the inner wall of the pipeline.

Drawings

FIG. 1 is an internal cross-sectional view of the present invention;

FIG. 2 is a top view of an ionizing dedusting structure of the present invention;

fig. 3 is a top view of the opening of the present invention.

In the figure: 1. a dust collecting electrode; 2. a corona electrode; 3. a net frame; 4. a hammering pad; 5. a support; 6. a corona electrode frame; 7. a connecting rod; 8. a dust guard; 9. a dust outlet; 10. a dust outlet cover; 11. a clamping block; 12. an opening cover; 13. a bolt; 14. an activated carbon plate; 15. a lacquer mist cotton board; 16. a fan support rod; 17. a first fan; 18. a second fan; 19. a third fan; 20. the opening covers the rotating shaft; 21. a pipeline.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

The utility model provides a waste gas environmental protection processing apparatus for ferrous metallurgy, as shown in fig. 1-3, including pipeline 21, vertical section and horizontal segment are connected by the return bend to pipeline 21, the vertical section of pipeline 21 is equipped with collection dirt utmost point 1 of hexagonal structure and is honeycomb arrangement in pipeline 21, honeycomb arrangement can make the area of contact increase of collection dirt utmost point 1 and electrified waste gas, and connect on the rack 3 that is located collection dirt utmost point 1 below, rack 3 is the grid structure under collection dirt utmost point 1 inner chamber, the rest of rack 3 is the enclosed construction, make waste gas only pass through from the inner chamber of collection dirt utmost point 1, rack 3 supports through connecting support 5 on the pipeline 21 inner wall, and extend pipeline 21 and be connected with hammering pad 4, hit hammering pad 4 and can make the smoke and dust that accumulate on collection dirt utmost point 1 fall down, the top of collection dirt utmost point 1 is connected with corona utmost point frame 6 through connecting rod 7, corona utmost point frame 6 is connected with a column that is isometric with collection dirt utmost point 1 in the direction of every collection dirt utmost point 1 inner chamber central line Utmost point 2, be provided with out dirt mouth 9 in the bottom of pipeline 21 elbow under rack 3, the offside of the crooked pipeline 21 in the top of going out dirt mouth 9 is provided with dust board 8, it is connected with out dirt lid 10 to go out dirt mouth 9 bottom, can open out dirt lid 10 at the shut down interval of changing the filter, collect smoke and dust recycle, it is provided with the fan branch 16 of connection at pipeline 21 inner wall both ends in the horizontal pipeline 21 of the utmost point 1 air inlet direction of collection dirt, fan two 18 is being connected at the middle part of fan branch 16, the place ahead of fan two 18 is connected with fan 17 through fan branch 16 in the position of pipeline 21 air inlet, the top of corona utmost point frame 6 is connected with fan three 19 through fan branch 16, through increasing a plurality of fans, the speed of filtering waste gas has been promoted.

Referring to fig. 1, a paint mist cotton plate 15 and an activated carbon plate 14 are arranged between a second fan 18 and a first fan 17, so that the device can filter oily impurities.

Referring to fig. 1, the bottoms of the paint mist cotton plate 15 and the activated carbon plate 14 are provided with grooves capable of matching with the protruding blocks 11 on the inner wall of the pipeline 21, and the paint mist cotton plate 15 and the activated carbon plate 14 can be fixed at the designated position of the pipeline 21 and cannot be displaced by the wind of the fan.

Referring to fig. 1, an opening cover 12 capable of being opened is arranged at the top of the paint mist cotton plate 15 and the activated carbon plate 14, the opening cover 12 is rotatably connected with an opening cover rotating shaft 20 connected with the outer wall of the pipeline and horizontal to the center of the pipeline 21, a hole capable of being connected with a bolt 13 is formed in the top of the opening cover 12 in a protruding mode, the paint mist cotton plate 15 and the activated carbon plate 14 can be conveniently replaced, and the opening cover 12 fixed by the bolt 13 enables the pipeline 21 to be better in sealing performance.

The working principle of the utility model is as follows: the exhaust gas in the pipeline 21 is pumped to the activated carbon plate 14 by the first fan 17, most large-particle waste residues are filtered by the exhaust gas through the activated carbon plate 14, oily particles are filtered by the suction force of the second fan 18 through the paint mist cotton plate 15, the oily particles are pushed by the third fan 19 and the second fan 18, the exhaust gas passes through the regularly arranged hexagonal meshes on the net rack 3, the columnar corona electrode 2 is positively charged through a lead passing through the corona electrode frame 6, small particles in the exhaust gas are positively charged through the periphery of the corona electrode 2, the small particles are absorbed on the negatively charged dust collecting electrode 1 and adsorbed on the dust collecting electrode 1, the hexagonal shape and the honeycomb arrangement mode of the dust collecting electrode 1 can increase the contact area of the particles in the positively charged exhaust gas, the efficiency of collecting the fine particles of the exhaust gas is improved, the speed of the three fans in the pipeline 21 can accelerate the flow of the exhaust gas to improve the capacity of treating the exhaust gas, and the first fan 17. The two filter plates between the two filter plates and the second fan 18 can be taken out through the opening, the two filter plates are convenient to replace, the bolt 13 for fixing the opening cover 12 is unscrewed, the opening cover 12 can be opened through the rotation of the opening cover rotating shaft 20, the activated carbon plate 14 and the paint mist cotton plate 15 are in a cake shape slightly larger than the inner diameter of the pipeline 21, and the bottom is provided with a groove which can be clamped on the clamping block 11, the opening cover 12 is closed and the bolt 13 is screwed down, so that the activated carbon plate 14 and the paint mist cotton plate 15 can be fixed in the pipeline 21, after certain particles are adsorbed on the dust collecting electrode 1, the hammering pad 4 which is positioned outside the pipeline 21 and connected with the net rack 3 is knocked, because the dust collecting electrode 1 is connected with the net rack 3, and the net rack 3 is supported by the bracket 5, the net rack can vibrate to ensure that the dust collecting electrode 1 vibrates therewith, smoke falls down by vibration and then slides along the inner wall of the pipeline 21 to be blocked by the dust blocking plate 8 and falls into the dust outlet 9, the dust outlet cover 10 can be opened at the shutdown interval of replacing the filter plate, and the smoke is collected and recycled.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a waste gas environmental protection processing apparatus for ferrous metallurgy, includes pipeline (21), its characterized in that: the pipeline (21) is connected vertical section and horizontal segment by the return bend, the vertical section of pipeline (21) is equipped with the collection dirt utmost point (1) of hexagon structure and is honeycomb arrangement in pipeline (21), and connects and be located on net rack (3) of collection dirt utmost point (1) below, net rack (3) are the lattice structure under collection dirt utmost point (1) inner chamber, the rest of net rack (3) is the enclosed construction, net rack (3) are supported through support (5) of connecting on pipeline (21) inner wall, and extend pipeline (21) and be connected with hammering pad (4), the top of collection dirt utmost point (1) is connected with corona utmost point frame (6) through connecting rod (7), corona utmost point frame (6) are connected with one and are long column corona utmost point (2) of collection dirt utmost point (1) isometric in the direction of every collection dirt utmost point (1) inner chamber central line, net rack (3) under be provided with out dirt mouth (9) in the bottom of pipeline (21) elbow, the offside of going out dirt mouth (9) top crooked pipeline (21) is provided with dust board (8), it is connected with out dirt lid (10) to go out dirt mouth (9) bottom, be provided with fan branch (16) of connection at pipeline (21) inner wall both ends in the horizontal pipeline (21) of collection dirt utmost point (1) air inlet direction, fan two (18) are being connected at the middle part of fan branch (16), the place ahead of fan two (18) is connected with fan (17) through fan branch (16) in the position of pipeline (21) air inlet, the top of corona utmost point frame (6) is connected with fan three (19) through fan branch (16).

2. The environmentally friendly waste gas treatment device for ferrous metallurgy according to claim 1, characterized in that: a paint mist cotton plate (15) and an activated carbon plate (14) are arranged between the second fan (18) and the first fan (17).

3. The environmentally friendly waste gas treatment device for ferrous metallurgy according to claim 2, characterized in that: the bottoms of the paint mist cotton plate (15) and the activated carbon plate (14) are provided with grooves which can be matched with the raised clamping blocks (11) on the inner wall of the pipeline (21).

4. The environmentally friendly waste gas treatment device for ferrous metallurgy according to claim 2, characterized in that: the paint mist cotton plate is characterized in that an opening cover (12) capable of being opened is arranged at the tops of the paint mist cotton plate (15) and the activated carbon plate (14), the opening cover (12) is connected with an opening cover rotating shaft (20) in a rotating mode through a pipeline outer wall in a horizontal mode, the opening cover rotating shaft is connected with the center of a pipeline (21) in a rotating mode, and the top of the opening cover (12) is protruding and provided with a hole capable of being connected through a bolt (13).