CN218130631U - Tail gas treatment device for preventing gas leakage of smelting furnace - Google Patents

Abstract

The utility model discloses a prevent tail gas processing apparatus of smelting furnace gas leakage relates to tail gas treatment technical field. The utility model discloses a handle the case, the fixed intake pipe that sets up on handling case one side outer wall and set up in the tail gas vent-pipe of intake pipe one end, be provided with sealing mechanism between intake pipe and the tail gas vent-pipe, handle the fixed baffle that is provided with of incasement portion, the baffle will handle incasement portion and divide into two parts of filter chamber and treatment chamber, the filter chamber is inside to be provided with filtering mechanism, sealing mechanism includes the extension pipe, first sealing ring, second sealing ring and rubber circle, filtering mechanism is including fixed frame, the filter screen, the apparatus further comprises a rotating shaft, the blade, the mounting panel, clearance brush and reset spring. The utility model discloses a sealing mechanism and the filtering mechanism who sets up have improved the sealed effect between intake pipe and the tail gas exhaust pipe, prevent that tail gas from revealing, eliminate the particulate matter that contains in the tail gas, are convenient for carry out the preliminary treatment to tail gas, have improved the subsequent processing effect.

Description

Tail gas treatment device for preventing gas leakage of smelting furnace

Technical Field

The utility model belongs to the technical field of the tail gas treatment, especially, relate to a prevent tail gas processing apparatus of smelting furnace gas leakage.

Background

A smelting furnace is a furnace that melts iron ore, such as hematite or magnetite, into pig iron. This furnace is a refractory lined tall cylindrical structure filled from the top with beneficiated ore, coke and solvent (typically limestone). The conversion of iron oxide to metallic iron is a reduction process in which carbon monoxide and hydrogen are used as reducing agents and smelting furnaces produce large quantities of harmful gases during the smelting of ore materials.

Current smelting furnace tail gas processing apparatus adopts reaction solution to spray tail gas when handling tail gas usually, but generally contain more particulate matter in the tail gas, be not convenient for carry out the preliminary treatment to tail gas, influence follow-up effect of spraying, and adopt threaded connection more or through flange joint between its intake pipe of current smelting furnace tail gas processing apparatus and the smelting furnace tail gas delivery pipe, but two pipe connection departments adopt sealed pad or raw rubber belt to seal usually, lead to the sealed effect between intake pipe and the smelting furnace tail gas delivery pipe poor, sealed pad fragile, cause tail gas to reveal, we propose a tail gas processing apparatus who prevents the smelting furnace gas leakage for this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent tail gas processing apparatus of smelting furnace gas leakage, solve current smelting furnace tail gas processing apparatus and adopt reaction solution to spray the processing to tail gas when handling tail gas usually, but generally contain more particulate matter in the tail gas, be not convenient for carry out the preliminary treatment to tail gas, influence follow-up effect of spraying, and adopt threaded connection more or pass through flange joint between its intake pipe of current smelting furnace tail gas processing apparatus and the smelting furnace tail gas delivery pipe, but two pipe connection departments adopt sealed the pad or raw sticky tape to seal usually, it is poor to lead to the sealed effect between intake pipe and the smelting furnace tail gas delivery pipe, sealed the fragile of pad, cause the problem that tail gas was revealed.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a tail gas treatment device for preventing gas leakage of a smelting furnace, which comprises a treatment box, an inlet pipe fixedly arranged on the outer wall of one side of the treatment box and a tail gas exhaust pipe arranged at one end of the inlet pipe, wherein a sealing mechanism is arranged between the inlet pipe and the tail gas exhaust pipe, a baffle is fixedly arranged in the treatment box, the baffle divides the interior of the treatment box into a filtering chamber and a treatment chamber, and a filtering mechanism is arranged in the filtering chamber;

the sealing mechanism comprises an extension pipe, a first sealing ring, a second sealing ring and a rubber ring, the extension pipe is fixedly arranged at the tail end of the tail gas exhaust pipe close to the inner ring, a slot is formed in one end, away from the treatment box, of the air inlet pipe close to the inner ring, the slot is matched with the extension pipe, the first sealing ring is fixedly arranged at one end, away from the tail gas exhaust pipe, of the extension pipe, a first sealing groove is formed in the slot wall of one side of the slot of the air inlet pipe, the first sealing groove is matched with the first sealing ring, the second sealing ring is fixedly arranged at one end, away from the treatment box, of the air inlet pipe close to the outer ring, the tail gas exhaust pipe is provided with a second sealing groove, the second sealing groove is matched with the second sealing ring, and the rubber ring is arranged between the extension pipe and the slot wall of the air inlet pipe;

filtering mechanism includes fixed frame, filter screen, pivot, blade, mounting panel, clearance brush and reset spring, fixed frame is fixed to be set up inside handling case filter chamber, the filter screen middle part is provided with changes the hole, just the filter screen is fixed to be set up inside fixed frame, the pivot activity sets up inside the filter screen changes the hole, blade activity inner circle lateral wall and pivot external fixed surface are connected, mounting panel one end and pivot external fixed surface are connected, and are located between blade and the fixed frame, the mounting panel is close to and is provided with the mounting groove on a fixed frame side, clearance brush activity sets up inside the mounting groove, just clearance brush end is laminated mutually with the filter screen side, reset spring sets up inside the mounting groove, and both ends are fixed respectively to be set up on mounting groove one side cell wall and clearance brush side.

Preferably, a gas outlet is formed in one side face, far away from the gas inlet pipe, of the treatment box, and a dust screen is fixedly arranged inside the gas outlet.

Preferably, the end of the exhaust pipe adjacent to the air inlet pipe is provided with a flange, and the two flanges are fixedly connected through bolts.

Preferably, the air inlet pipe slot inner wall and extend the outside of tubes surface and be provided with first annular groove and second annular groove respectively, first annular groove and second annular groove all with the rubber circle phase-match.

Preferably, the bottom of the filter chamber of the treatment box is provided with a collection box, and the front side of the treatment box is provided with a box door corresponding to the collection box.

Preferably, the top of the filter chamber of the treatment box is provided with a support rod, the bottom of the support rod is fixedly provided with a shaft sleeve, and the rotating shaft is movably arranged inside the shaft sleeve.

Preferably, a reaction box is arranged inside the treatment chamber of the treatment box, one end of an air inlet guide pipe and one end of an air outlet guide pipe are fixedly arranged on two sides inside the reaction box respectively, the other ends of the air inlet guide pipe and the air outlet guide pipe extend to the top of the reaction box, and one end of the air inlet guide pipe penetrates through the partition plate and is communicated with the inside of the filter chamber.

The utility model discloses following beneficial effect has:

1. the utility model has the advantages that through the arranged sealing mechanism, the connection part of the tail gas exhaust pipe and the gas inlet pipe is sealed in two stages through the arranged first sealing ring, the arranged second sealing ring and the corresponding first sealing groove and the second sealing groove, and through the arranged rubber ring, the sealing effect between the gas inlet pipe and the tail gas exhaust pipe is improved, and the tail gas leakage is prevented;

2. the utility model discloses a filtering mechanism who sets up, tail gas passes through the intake pipe and gets into inside the processing case, particulate matter impurity in to tail gas through the filter screen that sets up is got rid of, and when tail gas gets into processing incasement portion, can blow the blade and rotate, thereby it rotates to drive the pivot, thereby it rotates to drive the mounting panel, make the cleaning brush rotate and clear up the filter screen mesh, avoid regularly changing the filter screen, the service life of device has been improved, and reset spring through the setting, when making the cleaning brush use for a long time and lead to wearing and tearing, play the regulation compensation effect to the cleaning brush, make the cleaning brush laminate with the filter screen all the time, the cleaning effect is better, the impurity that produces during the clearance can drop inside collecting the box, be convenient for collect, eliminate the particulate matter that contains in the tail gas, be convenient for carry out the preliminary treatment to tail gas, the subsequent processing effect has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of a tail gas treatment device for preventing gas leakage of a smelting furnace according to the present invention;

FIG. 2 is a top view of the tail gas treatment device for preventing gas leakage of the smelting furnace;

FIG. 3 isbase:Sub>A sectional view taken along line A-A in FIG. 2 of the tail gas treatment device for preventing gas leakage from the smelting furnace according to the present invention;

FIG. 4 is an enlarged view of the position B in FIG. 3 of the tail gas treatment device for preventing gas leakage of the smelting furnace according to the present invention;

fig. 5 is the utility model discloses a C department's enlargements in the tail gas processing apparatus of preventing smelting furnace gas leakage figure 3.

In the drawings, the reference numbers indicate the following list of parts:

1. a treatment box; 2. an air inlet pipe; 3. a tail gas exhaust pipe; 4. an extension pipe; 5. a first seal ring; 6. a second seal ring; 7. a rubber ring; 8. a fixing frame; 9. filtering with a screen; 10. a rotating shaft; 11. a blade; 12. mounting a plate; 13. cleaning a brush; 14. a return spring; 15. and (4) a reaction box.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a tail gas treatment device for preventing gas leakage of a smelting furnace, which comprises a treatment box 1, an inlet pipe 2 fixedly arranged on the outer wall of one side of the treatment box 1 and a tail gas exhaust pipe 3 arranged at one end of the inlet pipe 2, wherein a sealing mechanism is arranged between the inlet pipe 2 and the tail gas exhaust pipe 3, a partition plate is fixedly arranged inside the treatment box 1, the partition plate divides the inside of the treatment box 1 into a filtration chamber and a treatment chamber, and a filtering mechanism is arranged inside the filtration chamber;

the sealing mechanism comprises an extension pipe 4, a first sealing ring 5, a second sealing ring 6 and a rubber ring 7, wherein the extension pipe 4 is fixedly arranged at the position, close to the inner ring, of the tail end of the tail gas exhaust pipe 3, the position, close to the inner ring, of one end, far away from the treatment box 1, of the gas inlet pipe 2 is provided with a slot, the slot is matched with the extension pipe 4, the first sealing ring 5 is fixedly arranged at the end, far away from the tail gas exhaust pipe 3, of the extension pipe 4, a first sealing groove is formed in the slot wall of one side of the slot of the gas inlet pipe 2, the first sealing groove is matched with the first sealing ring 5, the second sealing ring 6 is fixedly arranged at the position, close to the outer ring, of one end, far away from the treatment box 1, of the gas inlet pipe 2, the tail gas exhaust pipe 3 is provided with a second sealing groove, the second sealing groove is matched with the second sealing ring 6, the rubber ring 7 is arranged between the slot walls of the extension pipe 4 and the slot of the gas inlet pipe 2, and the first sealing ring 5, the second sealing ring 6 is matched with the first sealing groove and the second sealing groove;

filtering mechanism includes fixed frame 8, filter screen 9, pivot 10, blade 11, mounting panel 12, cleaning brush 13 and reset spring 14, fixed frame 8 is fixed to be set up inside handling 1 filter chamber of case, filter screen 9 middle part is provided with changes the hole, and filter screen 9 is fixed to be set up inside fixed frame 8, pivot 10 activity sets up inside filter screen 9 changes the hole, blade 11 activity inner circle lateral wall and pivot 10 outer fixed surface are connected, mounting panel 12 one end is connected with pivot 10 outer fixed surface, and be located between blade 11 and the fixed frame 8, mounting panel 12 is close to and is provided with the mounting groove on 8 a side of fixed frame, cleaning brush 13 activity sets up inside the mounting groove, and cleaning brush 13 end and filter screen 9 side are laminated mutually, reset spring 14 sets up inside the mounting groove, and both ends are fixed respectively to be set up on mounting groove one side cell wall and cleaning brush 13 a side, blade 11 is just to intake pipe 2, tail gas passes through 2 and gets into and handles 1 insidely the intake pipe, and blows blade 11 rotation intake pipe.

Wherein, handle case 1 and keep away from being provided with the gas outlet on 2 sides of intake pipe, the inside fixed dust screen that is provided with of gas outlet, the dust screen avoids the dust to get into from the gas outlet and handles inside case 1.

Wherein, the adjacent one of exhaust gas pipe 3 and intake pipe 2 is served and all is provided with the flange, through bolt fixed connection between two flanges, is convenient for be connected exhaust gas pipe 3 and intake pipe 2.

Wherein, be provided with first annular groove and second annular groove on 2 slot inner walls of intake pipe and the 4 surfaces of extension pipe respectively, first annular groove and second annular groove all with rubber circle 7 phase-matchs.

Wherein, handle 1 filter chamber bottom of case and be provided with the collection box, handle 1 leading flank of case and correspond the collection box position and be provided with the chamber door, collect the box and collect the impurity that produces when cleaning.

Wherein, the top of the filter chamber of the treatment box 1 is provided with a support rod, the bottom of the support rod is fixedly provided with a shaft sleeve, and the rotating shaft 10 is movably arranged inside the shaft sleeve.

Wherein, handle 1 treatment indoor portion of case and set up reaction box 15, the inside both sides of reaction box 15 are fixed respectively and are provided with the pipe of admitting air and give vent to anger pipe one end, and the pipe other end of admitting air and giving vent to anger extends to 15 tops of reaction box, and admit air pipe one end and run through the baffle and be linked together with the filter chamber is inside, and the inside reaction solution that is provided with of reaction box 15, admit air pipe one end extend to below the reaction solution liquid level.

The utility model discloses a theory of operation does: when the tail gas exhaust pipe 3 is connected with the gas inlet pipe 2, the rubber ring 7 is sleeved inside a first annular groove formed in the outer surface of the extension pipe 4, one end, provided with the extension pipe 4, of the tail gas exhaust pipe 3 extends into the inside of a slot formed in one end of the gas inlet pipe 2, a first sealing ring 5 arranged at the tail end of the extension pipe 4 is tightly attached to the slot wall of a first sealing groove formed in the slot wall of the gas inlet pipe 2, a second sealing ring 6 arranged at one end of the gas inlet pipe 2 is tightly attached to the slot wall of a second sealing groove formed in the tail end of the tail gas exhaust pipe 3, the outer ring surface of the rubber ring 7 is attached to the slot wall of the second annular groove formed in the slot wall of the gas inlet pipe 2 at the moment, the tail gas exhaust pipe 3 is connected with the gas inlet pipe 2 through a flange and a bolt, two-stage sealing is performed on the connection between the tail gas exhaust pipe 3 and the gas inlet pipe 2 through the arranged first sealing ring 5, the second sealing ring 6 and the corresponding first sealing groove and the second sealing groove, a further sealing effect is achieved through the arranged rubber ring 7, and the sealing effect between the tail gas exhaust pipe 3 is improved, and tail gas leakage is prevented; tail gas passes through intake pipe 2 and gets into inside handling case 1, particulate matter impurity in to tail gas is got rid of through the filter screen 9 that sets up, and when tail gas gets into handling case 1 inside, can blow blade 11 and rotate, thereby it rotates to drive pivot 10, thereby drive mounting panel 12 and rotate, make cleaning brush 13 rotate and clear up filter screen 9 mesh, avoid regularly changing filter screen 9, the life of device has been improved, and reset spring 14 through the setting, when making cleaning brush 13 use for a long time and lead to wearing and tearing, play the regulation compensation effect to cleaning brush 13, make cleaning brush 13 laminate with filter screen 9 all the time, the clearance effect is better, the impurity that produces during the clearance can drop inside collecting the box, tail gas after filter screen 9 passes through the pipe that admits air and gets into inside reaction box 15, get rid of harmful substance in the tail gas through reaction solution, gas after the purification discharges to handling case 1 outside through the pipe.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention 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 (7)

1. The utility model provides a prevent tail gas processing apparatus of smelting furnace gas leakage, includes and handles case (1), fixed sets up intake pipe (2) on handling case (1) one side outer wall and sets up in tail gas exhaust pipe (3) of intake pipe (2) one end, its characterized in that: a sealing mechanism is arranged between the air inlet pipe (2) and the tail gas exhaust pipe (3), a partition plate is fixedly arranged in the treatment box (1), the partition plate divides the interior of the treatment box (1) into a filtering chamber and a treatment chamber, and a filtering mechanism is arranged in the filtering chamber;

the sealing mechanism comprises an extension pipe (4), a first sealing ring (5), a second sealing ring (6) and a rubber ring (7), the extension pipe (4) is fixedly arranged at the position, close to an inner ring, of the tail end of the tail gas exhaust pipe (3), one end, far away from the treatment box (1), of the gas inlet pipe (2) is provided with a slot close to the inner ring, the slot is matched with the extension pipe (4), the first sealing ring (5) is fixedly arranged at one end, far away from the tail gas exhaust pipe (3), of the extension pipe (4), a first sealing groove is formed in the slot wall of one side of the slot of the gas inlet pipe (2), the first sealing groove is matched with the first sealing ring (5), the second sealing ring (6) is fixedly arranged at the position, close to an outer ring, of one end, far away from the treatment box (1), of the gas inlet pipe (2), the tail end of the tail gas exhaust pipe (3), the second sealing groove is matched with the second sealing ring (6), and the rubber ring (7) is arranged between the slot wall of the extension pipe (4) and the slot wall of the gas inlet pipe (2);

filtering mechanism includes fixed frame (8), filter screen (9), pivot (10), blade (11), mounting panel (12), clearance brush (13) and reset spring (14), fixed frame (8) are fixed to be set up inside handling case (1) filter chamber, filter screen (9) middle part is provided with changes the hole, just filter screen (9) are fixed to be set up inside fixed frame (8), pivot (10) activity sets up inside filter screen (9) changes the hole, blade (11) activity inner circle lateral wall and pivot (10) external fixed surface are connected, mounting panel (12) one end and pivot (10) external fixed surface are connected, and are located between blade (11) and fixed frame (8), mounting panel (12) are close to and are provided with the mounting groove on fixed frame (8) a side, clearance brush (13) activity sets up inside the mounting groove, just clearance brush (13) end laminates with filter screen (9) side mutually, reset spring (14) set up inside the mounting groove, and both ends are fixed the setting respectively on mounting groove wall and clearance brush (13) a side.

2. The tail gas treatment device for preventing gas leakage of the smelting furnace according to claim 1, characterized in that a gas outlet is arranged on one side surface of the treatment box (1) far away from the gas inlet pipe (2), and a dust screen is fixedly arranged inside the gas outlet.

3. The tail gas treatment device for preventing gas leakage of the smelting furnace according to claim 2, characterized in that flanges are arranged at the adjacent ends of the tail gas exhaust pipe (3) and the gas inlet pipe (2), and the two flanges are fixedly connected through bolts.

4. The tail gas treatment device for preventing gas leakage of the smelting furnace according to claim 3, characterized in that the inner wall of the slot of the gas inlet pipe (2) and the outer surface of the extension pipe (4) are respectively provided with a first annular groove and a second annular groove, and the first annular groove and the second annular groove are both matched with the rubber ring (7).

5. A tail gas treatment device for preventing gas leakage of smelting furnaces according to claim 4, characterized in that the bottom of the filter chamber of the treatment box (1) is provided with a collection box, and the front side of the treatment box (1) is provided with a box door corresponding to the position of the collection box.

6. The tail gas treatment device for preventing gas leakage of the smelting furnace according to claim 1, characterized in that a support rod is arranged at the top of the filter chamber of the treatment box (1), a shaft sleeve is fixedly arranged at the bottom of the support rod, and the rotating shaft (10) is movably arranged inside the shaft sleeve.

7. The tail gas treatment device for preventing gas leakage of smelting furnaces according to claim 6, wherein the inside of the treatment chamber (1) is provided with a reaction chamber (15), two sides inside the reaction chamber (15) are respectively and fixedly provided with an air inlet conduit and an air outlet conduit one end, the other ends of the air inlet conduit and the air outlet conduit extend to the top of the reaction chamber (15), and the air inlet conduit one end penetrates through the partition plate and is communicated with the inside of the filter chamber.

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