CN211358191U

CN211358191U - Environment-friendly treatment equipment for waste gas in ferrous metallurgy

Info

Publication number: CN211358191U
Application number: CN201921768663.2U
Authority: CN
Inventors: 闫旭东; 汪奎; 宋志福; 周佳平
Original assignee: Wuhan Xuqing Engineering Technology Co ltd
Current assignee: Wuhan Xuqing Engineering Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-28
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a ferrous metallurgy waste gas environmental protection treatment facility, including handling the case, setting up case lid and the intake pipe at the processing box top, the inside left side of handling the case has been seted up and has been stored up solid chamber, the inboard middle part fixedly connected with air strainer that stores up solid chamber, the air pump is installed at the left side top of handling the case, the outside intercommunication of air pump has the intake pipe, the tail end of intake pipe runs through and handles case and air strainer and extend to the inboard bottom that stores up solid chamber, the stock solution chamber has been seted up on the inside right side of handling the case. The utility model discloses in, at first, adopt the processing structure of double entry, can carry out the dry-wet process both way processing of synthesizing with waste gas, effectively remove in the waste gas acid gas and peculiar smell gaseous remaining to promoted exhaust-gas treatment's effect, secondly, adopt disconnect-type filtration, can separate filtration with waste gas and handle, both reduced filter screen blocking phenomenon's production, also promoted the stability of waste gas circulation simultaneously.

Description

Environment-friendly treatment equipment for waste gas in ferrous metallurgy

Technical Field

The utility model relates to a steel industry exhaust treatment device technical field especially relates to a ferrous metallurgy waste gas environmental protection treatment facility.

Background

The treatment of waste gas in iron and steel industry mainly analyzes that the source of the waste gas is a great amount of dust-containing waste gas generated in the processes of raw material and fuel transportation, loading, unloading, processing and the like.

However, the existing waste gas treatment device for ferrous metallurgy still has the defects that: firstly, mostly only adopt single dry process or wet process to handle the structure, acid gas and the peculiar smell gas in the unable effectual waste gas carry out compound absorption and purification treatment, and the effect of handling is relatively poor, and secondly, the air strainer is established mostly at the tail end of intake pipe, and when impurity is too much, easily leads to the production of air strainer blocking phenomenon to influence the circulation of waste gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the environment-friendly waste gas treatment equipment for ferrous metallurgy is provided for solving the problem that the treatment effect of the traditional waste gas treatment device is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an environment-friendly treatment device for waste gas in ferrous metallurgy comprises a treatment box, a box cover and an air inlet pipe which are arranged at the top of the treatment box, a solid storage cavity is arranged at the left side inside the treatment box, an air filtering net is fixedly connected at the middle part of the inner side of the solid storage cavity, an air pump is arranged at the top of the left side of the treatment box, an air inlet pipe is communicated with the outside of the air pump, the tail end of the air inlet pipe penetrates through the treatment box and the air filtering net and extends to the bottom of the inner side of the solid storage cavity, a liquid storage cavity is arranged at the right side in the treatment box, an exhaust disc is arranged at the bottom of the inner side of the liquid storage cavity, the top of the exhaust disc is communicated with a plurality of groups of spray heads which are distributed in a rectangular array, the outer part of the exhaust disc is communicated with a gas guide pipe, and the tail end of the air duct is communicated with the storage and fixation cavity, the top of the box cover is provided with an exhaust hole, the top of the inner side of the exhaust hole is fixedly connected with a leakage net, and the bottom of the inner side of the exhaust hole is embedded with an active carbon absorption layer.

As a further description of the above technical solution:

one side of the front end face of the treatment box, which is close to the solid storage cavity, is rotatably connected with a sealing spiral cover through a rotating shaft.

As a further description of the above technical solution:

one side that the preceding terminal surface of handling the case is close to the liquid storage chamber inlays and is equipped with the transparent plate that is vertical distribution.

As a further description of the above technical solution:

two groups of spoilers which are distributed in an inclined manner are symmetrically and fixedly connected to the inner side of the solid storage cavity below the air filter net, and the included angle between each group of spoilers and the horizontal plane is 45-60 degrees.

As a further description of the above technical solution:

the bottom of case lid is located the both sides on active carbon absorbed layer and is connected with two sets of jam plates through pivot symmetry rotation, fixedly connected with extrusion spring between two sets of jam plates and the case lid.

As a further description of the above technical solution:

the vertical cross-sections of the two groups of locking plates are of L-shaped structures, and the tops of the horizontal ends of the two groups of locking plates are attached to the lower end face of the activated carbon absorption layer.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, adopt compound processing structure, be provided with the stock solution chamber in handling the incasement side, inboard in the stock solution chamber is provided with air duct and exhaust dish, be provided with simultaneously at the inside hourglass net and the active carbon absorbed layer of exhausting hole of case lid, waste gas after the filtration is under the effect that gas flows, just can enter into the inside of exhaust dish through the air duct, and through the even blowing of multiunit shower nozzle to the inside alkali lye of stock solution intracavity, alkali lye can carry out the neutralization with the acid gas in the waste gas, waste gas after the processing just can enter into the inside in exhaust hole, the inboard active carbon absorbed layer in exhaust hole can absorb the peculiar smell gas and the harmful gas in the gas, this kind of structure can carry out comprehensive dry-wet method bidirectional processing with waste gas, effectively has removed acid gas and the gaseous residue of peculiar smell in the waste gas, thereby exhaust-gas treatment's effect has been promoted.

2. The utility model discloses in, adopt disconnect-type filtration, be provided with in the processing case inboard and store up solid chamber, inboard middle part storing up solid chamber is provided with the air filter net, the tail end of intake pipe extends to the inboard bottom that stores up solid chamber simultaneously, and the both sides of storing up solid chamber are provided with the spoiler, when dusty air enters into and stores up solid intracavity portion, under the effect of air current and gravity, the solid impurity of waste gas just can fall to the inboard bottom of storing up solid chamber, when gaseous rising, the spoiler can reduce gaseous velocity of flow, thereby the production of ash raising phenomenon has been reduced, when waste gas moves to storing up solid chamber middle part, the air filter net just can carry out filtration treatment with waste gas, this kind of structure can separate filtration treatment with waste gas, both reduced the production of filter screen blocking phenomenon, the stability of exhaust gas circulation has also been promoted simultaneously.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic diagram of an internal structure provided according to an embodiment of the present invention;

fig. 3 shows a partial enlarged view of a point a provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a treatment tank; 101. a solid storage cavity; 102. a liquid storage cavity; 2. a box cover; 201. an exhaust hole; 3. an air pump; 4. An air inlet pipe; 5. a transparent plate; 6. sealing and screwing the cover; 7. a gas filter screen; 8. a spoiler; 9. an exhaust tray; 901. a spray head; 10. an air duct; 11. a leakage net; 12. an activated carbon absorption layer; 13. a locking plate; 14. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an environment-friendly waste gas treatment device for ferrous metallurgy comprises a treatment box 1, a box cover 2 and an air inlet pipe 4 which are arranged at the top of the treatment box 1, wherein a solid storage cavity 101 is formed in the left side inside the treatment box 1, an air filter net 7 is fixedly connected to the middle part of the inner side of the solid storage cavity 101, an air pump 3 is installed at the top of the left side of the treatment box 1, the air inlet pipe 4 is communicated with the outer part of the air pump 3, the tail end of the air inlet pipe 4 penetrates through the treatment box 1 and the air filter net 7 and extends to the bottom of the inner side of the solid storage cavity 101, a liquid storage cavity 102 is formed in the right side inside the treatment box 1, an exhaust disc 9 is installed at the bottom of the inner side of the liquid storage cavity 102, a plurality of groups of nozzles 901 distributed in a rectangular array are communicated with the top of the exhaust disc 9, an air guide pipe 10 is communicated with the outer part of the exhaust disc 9, the setting of leaking net 11 can reduce external impurity on the one hand and get into the inside of handling case 1, and on the other hand just can the installation and the fixed processing of active carbon absorption layer 12, and the inboard bottom of exhaust hole 201 is inlayed and is equipped with active carbon absorption layer 12.

Specifically, as shown in fig. 1 and fig. 2, one side of the front end surface of the processing box 1 close to the solid storage cavity 101 is rotatably connected with a sealing spiral cover 6 through a rotating shaft, one side of the front end surface of the processing box 1 close to the liquid storage cavity 102 is embedded with a transparent plate 5 which is vertically distributed, two groups of spoilers 8 which are obliquely distributed are symmetrically and fixedly connected below the air filter net 7 on the inner side of the solid storage cavity 101, and an included angle between the two groups of spoilers 8 and a horizontal plane is 45-60 degrees, the arrangement of the sealing spiral cover 6 is convenient for discharging and processing inside the solid storage cavity 101, when impurities inside the solid storage cavity 101 are excessive, the sealing spiral cover 6 can be unscrewed to clean and discharge the impurities, the arrangement of the transparent plate 5 is convenient for observing and processing the liquid level inside the liquid storage cavity 102, and the arrangement of the spoilers 8 can block the flow of gas, thereby reducing the flow rate of.

Specifically, as shown in fig. 2 and 3, the both sides that the bottom of case lid 2 is located active carbon absorption layer 12 are connected with two sets of jam plates 13 through the rotation of pivot symmetry, fixedly connected with extrusion spring 14 between two sets of jam plates 13 and the case lid 2, the vertical cross-section of two sets of jam plates 13 all is L type structure, and the horizontal end top of two sets of jam plates 13 all laminates with the lower terminal surface of active carbon absorption layer 12, two sets of settings that are L type structure jam plates 13, be convenient for the installation and the dismantlement of active carbon absorption layer 12 are handled, extrude spring 14's setting simultaneously, can make jam plate 13 produce inside elastic locking force, thereby the stability of connecting between jam plate 13 and the active carbon absorption layer 12 has been promoted.

The working principle is as follows: when in use, the power supply is connected, the alkali liquor for treating the acid gas is poured into the liquid storage cavity 102, the box cover 2 is closed, the air inlet pipe 4 is communicated with the air outlet of the ferrous metallurgy equipment, the air pump 3 can pump the waste gas into the solid storage cavity 101 through the air inlet pipe 4, when the waste gas is discharged out of the air inlet pipe 4, the solid impurities of the waste gas can fall to the bottom of the inner side of the solid storage cavity 101 under the combined action of air flow and gravity, meanwhile, when the gas can reversely rise under the action of gas flow, the two groups of inclined spoilers 8 arranged on the inner side of the solid storage cavity 101 can reduce the flow velocity of gas movement, thereby reducing the generation of ash lifting phenomenon, when the waste gas moves to the middle part of the solid storage cavity 101, the air filter 7 can filter the waste gas, the filtered waste gas can enter the exhaust disc 9 on the inner side of the liquid storage cavity 102 through the air guide pipe 10 under the action of gas flow, the multiunit shower nozzle 901 on the exhaust dish 9, can be even blow waste gas to the liquid storage cavity 102 inside alkali lye, when acid gas enters into alkali lye, just can form weak acid, alkali lye alright carry out neutralization with the acid gas in the waste gas, waste gas after the wet process is handled under the effect of gas flow, just can enter into the exhaust hole 201 in case lid 2, the active carbon absorbed layer 12 in the exhaust hole 201 can absorb peculiar smell gas and harmful gas in the waste gas, thereby carry out further dry process treatment with waste gas, waste gas after the comprehensive treatment just can be discharged through exhaust hole 201, just accomplished the absorption and the purification treatment of waste gas.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The environment-friendly waste gas treatment equipment for ferrous metallurgy comprises a treatment box (1), a box cover (2) and an air inlet pipe (4) which are arranged at the top of the treatment box (1), and is characterized in that a solid storage cavity (101) is formed in the left side of the inside of the treatment box (1), a filter screen (7) is fixedly connected to the middle of the inner side of the solid storage cavity (101), an air pump (3) is installed at the top of the left side of the treatment box (1), the air inlet pipe (4) is communicated with the outside of the air pump (3), the tail end of the air inlet pipe (4) penetrates through the treatment box (1) and the filter screen (7) and extends to the bottom of the inner side of the solid storage cavity (101), a liquid storage cavity (102) is formed in the right side of the inside of the treatment box (1), an exhaust disc (9) is installed at the bottom of the inner side of the liquid storage cavity (102), and a plurality of spray heads (, the outside intercommunication of exhaust dish (9) has air duct (10), and the tail end of air duct (10) with store up solid chamber (101) intercommunication, exhaust hole (201) have been seted up at the top of case lid (2), and the inboard top fixedly connected with of exhaust hole (201) leaks net (11), the inboard bottom of exhaust hole (201) is inlayed and is equipped with active carbon absorbed layer (12).

2. The environment-friendly waste gas treatment equipment for ferrous metallurgy according to claim 1, wherein one side of the front end surface of the treatment box (1) close to the solid storage cavity (101) is rotatably connected with a sealing spiral cover (6) through a rotating shaft.

3. The environmentally friendly waste gas treatment equipment for ferrous metallurgy according to claim 2, characterized in that the side of the front end face of the treatment box (1) close to the liquid storage cavity (102) is embedded with vertically distributed transparent plates (5).

4. The environmentally friendly waste gas treatment equipment for ferrous metallurgy according to claim 2, wherein the inner side of the solid storage cavity (101) is symmetrically and fixedly connected with two groups of spoilers (8) which are distributed in an inclined manner below the gas filter screen (7), and the included angle between the two groups of spoilers (8) and the horizontal plane is 45-60 degrees.

5. The environment-friendly waste gas treatment equipment for ferrous metallurgy according to claim 1, wherein the bottom of the box cover (2) is positioned at two sides of the activated carbon absorption layer (12) and is symmetrically and rotatably connected with two groups of locking plates (13) through rotating shafts, and an extrusion spring (14) is fixedly connected between the two groups of locking plates (13) and the box cover (2).

6. The environment-friendly waste gas treatment equipment for ferrous metallurgy according to claim 5, wherein the vertical cross sections of the two groups of locking plates (13) are both L-shaped structures, and the top parts of the horizontal ends of the two groups of locking plates (13) are both attached to the lower end surface of the activated carbon absorption layer (12).