CN211913200U

CN211913200U - Steel smelting tail gas dust collecting equipment

Info

Publication number: CN211913200U
Application number: CN202020291216.9U
Authority: CN
Inventors: 陈华业; 陈林
Original assignee: Jiujiang Hualin Industry Co ltd
Current assignee: Jiujiang Hualin Industry Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-13
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a tail gas dust collecting equipment is smelted to steel, including scrubbing tower and purifying box, be equipped with movable shutter on the scrubbing tower, and the inside bottom of scrubbing tower is equipped with the washing layer, the top position department that the inside of scrubbing tower is located the washing layer is provided with the filling layer, and the inside upper end fixed mounting of scrubbing tower has the dehumidification layer, the inside of scrubbing tower is located to be provided with between filling layer and the dehumidification layer and sprays the layer, and is connected with circulation mechanism on the scrubbing tower, fixed mounting has the connecting pipe on the purifying box. A steel smelting tail gas dust collecting equipment, purify for the first time before tail gas gets into the scrubbing tower, guarantee the essence effect of scrubbing tower, reduced consumeing of material simultaneously, reduced the frequency that the material updated for the pipeline of connecting can rotate, can also change the direction position of blast pipe in the time of easy to assemble, flexibility when having improved the use.

Description

Steel smelting tail gas dust collecting equipment

Technical Field

The utility model relates to a tail gas dust removal field, in particular to steel smelting tail gas dust collecting equipment.

Background

Iron and steel smelting (iron and steel smelting) is a general name of steel and iron metallurgical technological processes, most of modern iron making adopts blast furnace iron making, and a direct reduction iron making method and an electric furnace iron making method are respectively adopted. The steel-making is mainly made by using pig iron smelted by blast furnace, sponge iron smelted by direct reduction iron-smelting method and waste steel as raw materials and smelting them into steel by different methods. The basic production process comprises the steps of smelting iron ore into pig iron in an iron-making furnace, smelting the pig iron into steel by using different methods by using the pig iron as a raw material, and then casting the steel into steel ingots or continuous casting billets, wherein polluting tail gas is generated in the steel smelting process, and the tail gas needs to be subjected to dust removal treatment in order to ensure that the discharged tail gas is pollution-free; when the existing tail gas dust removal equipment is installed, the exhaust pipeline is connected in a screw or welding mode, the direction of the pipeline cannot be changed after the installation, and the limitation exists during the use.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a steel smelting tail gas dust collecting equipment, can effectively solve the problem in the background art.

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

the utility model provides a tail gas dust collecting equipment is smelted to steel, includes scrubbing tower and purifying box, be equipped with movable stop gate on the scrubbing tower, and the inside bottom of scrubbing tower is equipped with the washing layer, the top position department that the inside of scrubbing tower is located the washing layer is provided with the filling layer, and the inside upper end fixed mounting of scrubbing tower has the dehumidification layer, the inside of scrubbing tower is located and is provided with between filling layer and the dehumidification layer and spray the layer, and is connected with circulation mechanism on the scrubbing tower, fixed mounting has the connecting pipe on the purifying box, and the end-to-end connection of connecting pipe in the lower extreme of scrubbing tower, the upper end of scrubbing tower is equipped with the blast pipe, and the equal fixed mounting in both ends of blast pipe has rotary joint, the blast pipe passes through fixed connection between rotary joint.

Preferably, one side fixed mounting of activity shutter has the hinge, and the activity shutter passes through hinge and washing tower swing joint, fixed mounting has clear glass on the activity shutter, and keeps away from one side of hinge on the activity shutter and be equipped with the hasp, fixed mounting has the control valve on the connecting pipe.

Preferably, circulation mechanism includes circulating water tank, case lid, circulating water pump, spray tube and pipe, circulating water tank's upper end is provided with the case lid, and circulating water tank's inside fixed mounting has circulating water pump, fixed mounting has the spray tube on the circulating water pump, and the end of spray tube is connected with the intraformational shower nozzle that sprays, circulating water tank's one end fixed mounting has the pipe, and the end and the washing layer of pipe are linked together.

Preferably, the purifying box comprises a box body, a cover plate, a filter layer, an active carbon adsorption layer and an air duct, the cover plate is arranged on the box body, the filter layer and the active carbon adsorption layer are arranged inside the box body, and the air duct is fixedly arranged at one end of the box body.

Preferably, the rotary joint comprises a first pipe body, a second pipe body, a rotating block, a sealing ring and an internal thread, the rotating block is fixedly mounted at one end of the second pipe body, the second pipe body is rotatably connected with the first pipe body through the rotating block, the sealing ring is arranged between the rotating block and the first pipe body, and the internal thread is arranged on the first pipe body and the second pipe body.

Compared with the prior art, the utility model discloses following beneficial effect has: this tail gas dust collecting equipment is smelted to steel, through the purifying box that sets up, purify for the first time before tail gas gets into the scrubbing tower, guarantee the essence effect of scrubbing tower, reduced consumeing of material simultaneously, reduced the frequency that the material updated, adopt rotary joint for the pipeline of connecting can rotate, can also change the direction position of blast pipe in the time of easy to assemble, flexibility when having improved the use.

Drawings

FIG. 1 is a schematic view of the overall structure of a dust removing apparatus for iron and steel smelting exhaust gas of the present invention;

FIG. 2 is a schematic view of the internal structure of a washing tower of the dust removing equipment for iron and steel smelting tail gas;

FIG. 3 is a schematic view of the internal structure of a purifying box of the tail gas dust removing equipment for iron and steel smelting of the present invention;

FIG. 4 is a schematic structural view of a rotary joint of the steel smelting tail gas dust removing equipment of the utility model.

In the figure: 1. a washing tower; 2. a movable stop gate; 3. washing the layer with water; 4. a filling layer; 5. a spray layer; 6. a dehumidification layer; 7. a circulating mechanism; 701. a circulating water tank; 702. a box cover; 703. a water circulating pump; 704. a nozzle; 705. a conduit; 8. a purification box; 801. a box body; 802. a cover plate; 803. a filter layer; 804. an activated carbon adsorption layer; 805. an air duct; 9. a connecting pipe; 10. an exhaust pipe; 11. a rotary joint; 1101. a first pipe body; 1102. a second tube body; 1103. rotating the block; 1104. a seal ring; 1105. an internal thread; 12. a hinge; 13. transparent glass; 14. locking; 15. and (4) controlling the valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-4, a steel smelting tail gas dust removal device comprises a washing tower 1 and a purification box 8, wherein a movable shutter 2 is arranged on the washing tower 1, a washing layer 3 is arranged at the bottom end inside the washing tower 1, a filling layer 4 is arranged above the washing layer 3 inside the washing tower 1, a dehumidifying layer 6 is fixedly arranged at the upper end inside the washing tower 1, a spraying layer 5 is arranged between the filling layer 4 and the dehumidifying layer 6 inside the washing tower 1, a circulating mechanism 7 is connected to the washing tower 1, a connecting pipe 9 is fixedly arranged on the purification box 8, the tail end of the connecting pipe 9 is connected to the lower end of the washing tower 1, an exhaust pipe 10 is arranged at the upper end of the washing tower 1, rotary joints 11 are fixedly arranged at two ends of the exhaust pipe 10, and the exhaust pipe 10 is fixedly connected with the washing tower 1 through the rotary joints 11;

a hinge 12 is fixedly arranged on one side of the movable stop door 2, the movable stop door 2 is movably connected with the washing tower 1 through the hinge 12, transparent glass 13 is fixedly arranged on the movable stop door 2, a lock catch 14 is arranged on one side, far away from the hinge 12, of the movable stop door 2, and a control valve 15 is fixedly arranged on the connecting pipe 9; the circulating mechanism 7 comprises a circulating water tank 701, a tank cover 702, a circulating water pump 703, a spray pipe 704 and a guide pipe 705, wherein the tank cover 702 is arranged at the upper end of the circulating water tank 701, the circulating water pump 703 is fixedly installed in the circulating water tank 701, the spray pipe 704 is fixedly installed on the circulating water pump 703, the tail end of the spray pipe 704 is connected with a spray head in the spraying layer 5, the guide pipe 705 is fixedly installed at one end of the circulating water tank 701, and the tail end of the guide pipe 705 is communicated with the washing layer 3; the purification box 8 comprises a box body 801, a cover plate 802, a filter layer 803, an activated carbon adsorption layer 804 and an air duct 805, wherein the cover plate 802 is arranged on the box body 801, the filter layer 803 and the activated carbon adsorption layer 804 are arranged in the box body 801, and the air duct 805 is fixedly arranged at one end of the box body 801; the rotary joint 11 includes a first pipe 1101, a second pipe 1102, a rotating block 1103, a sealing ring 1104 and an internal thread 1105, the rotating block 1103 is fixedly mounted at one end of the second pipe 1102, the second pipe 1102 is rotatably connected with the first pipe 1101 through the rotating block 1103, the sealing ring 1104 is arranged between the rotating block 1103 and the first pipe 1101, and the internal thread 1105 is arranged on both the first pipe 1101 and the second pipe 1102.

It should be noted that, the utility model relates to a steel smelting tail gas dust removal equipment, when in use, the staff installs the whole equipment at a suitable position, connect the air duct 805 to the smelting furnace tail gas emission place, connect the exhaust pipe 10 and the related pipeline through the rotary joint 11, when connecting the exhaust pipe 10, the staff installs the rotary joint 11 and the exhaust pipe 10 in turn through the internal thread 1105, then rotate the rotary block 1103, make the second pipe 1102 rotate on the first pipe 1101, thereby change the orientation of the exhaust pipe 10, ensure the flexibility during installation, the sealing ring 1104 can ensure the sealing performance of the rotary joint 11, after the equipment installation is completed, the staff uses the equipment to perform the dust removal work of the smelting tail gas, when performing the dust removal and purification of the tail gas, start the circulating mechanism 7, the smelting tail gas enters the box 801 through the air duct 805, and pass through the filter layer 803 and the active carbon adsorption layer 804 in turn, finally, the gas enters the washing tower 1 from the connecting pipe 9, in the process, the smelting tail gas is filtered and adsorbed by the filter layer 803 and the activated carbon adsorption layer 804, so that the first filtering and purifying work is completed, the gas entering the washing tower 1 rises through the washing layer 3 and then sequentially passes through the filling layer 4, the spraying layer 5 and the dehumidification layer 6, the gas is further filtered and purified by the filler inside the filling layer 4, when the gas passes through the spraying layer 5, the circulating water pump 703 in the circulating water tank 701 works to enable the circulating water with the liquid medicine to enter the spray pipe 704 on the tank cover 702 and finally be sprayed out from the spray head in the spraying layer 5, so that the gas is subjected to desulfurization and denitrification treatment, the treated gas is dried through the dehumidification layer 6 and then is discharged through the exhaust pipe 10 on the rotary joint 11, the sprayed liquid falls into the washing layer 3 and finally enters the circulating water tank 701 through the guide pipe 705, thereby realize the cyclic utilization of water, at scrubbing tower 1 during operation, relevant personnel can come real-time understanding temporality condition through transparent glass 13 on the activity shutter 2, if need to the internal material, when the part is changed and is overhauld, seal connecting pipe 9 through control valve 15, open 14 pulling activity shutters 2 of hasp, make activity shutter 2 rotate around hinge 12, then change and overhaul the internal part, overhaul after accomplishing close activity shutter 2 can, after long-time use equipment, the effect variation of purifying box 8, the staff opens apron 802, change the material in filter layer 803 and the active carbon adsorption layer 804, then cover apron 802 and just can continue to use purifying box 8 again, the disconnected power can when equipment does not use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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

1. A steel smelting tail gas dust collecting equipment which is characterized in that: comprises a washing tower (1) and a purifying box (8), wherein a movable stop door (2) is arranged on the washing tower (1), a washing layer (3) is arranged at the bottom end inside the washing tower (1), a filling layer (4) is arranged at the position, above the washing layer (3), inside the washing tower (1), a dehumidifying layer (6) is fixedly arranged at the upper end inside the washing tower (1), a spraying layer (5) is arranged between the filling layer (4) and the dehumidifying layer (6) inside the washing tower (1), a circulating mechanism (7) is connected onto the washing tower (1), a connecting pipe (9) is fixedly arranged on the purifying box (8), the tail end of the connecting pipe (9) is connected to the lower end of the washing tower (1), an exhaust pipe (10) is arranged at the upper end of the washing tower (1), and rotary joints (11) are fixedly arranged at the two ends of the exhaust pipe (10), the exhaust pipe (10) is fixedly connected with the washing tower (1) through a rotary joint (11).

2. The dust removing equipment for the tail gas of the steel smelting according to claim 1, which is characterized in that: one side fixed mounting of activity shutter (2) has hinge (12), and activity shutter (2) pass through hinge (12) and washing tower (1) swing joint, fixed mounting has clear glass (13) on activity shutter (2), and keeps away from one side of hinge (12) on the activity shutter (2) and is equipped with hasp (14), fixed mounting has control valve (15) on connecting pipe (9).

3. The dust removing equipment for the tail gas of the steel smelting according to claim 1, which is characterized in that: circulation mechanism (7) are including circulation tank (701), case lid (702), circulating water pump (703), spray tube (704) and pipe (705), the upper end of circulation tank (701) is provided with case lid (702), and the inside fixed mounting of circulation tank (701) has circulating water pump (703), fixed mounting has spray tube (704) on circulating water pump (703), and the end of spray tube (704) is connected with the shower nozzle that sprays in layer (5), the one end fixed mounting of circulation tank (701) has pipe (705), and the end and the washing layer (3) of pipe (705) are linked together.

4. The dust removing equipment for the tail gas of the steel smelting according to claim 1, which is characterized in that: purifying box (8) are including box (801), apron (802), filter layer (803), activated carbon adsorption layer (804) and air duct (805), be equipped with apron (802) on box (801), and the inside of box (801) is equipped with filter layer (803) and activated carbon adsorption layer (804), the one end fixed mounting of box (801) has air duct (805).

5. The dust removing equipment for the tail gas of the steel smelting according to claim 1, which is characterized in that: the rotary joint (11) comprises a first pipe body (1101), a second pipe body (1102), a rotating block (1103), a sealing ring (1104) and an internal thread (1105), wherein the rotating block (1103) is fixedly mounted at one end of the second pipe body (1102), the second pipe body (1102) is rotatably connected with the first pipe body (1101) through the rotating block (1103), the sealing ring (1104) is arranged between the rotating block (1103) and the first pipe body (1101), and the internal thread (1105) is arranged on each of the first pipe body (1101) and the second pipe body (1102).