CN220328176U

CN220328176U - Blast furnace gas dust collector

Info

Publication number: CN220328176U
Application number: CN202321178904.4U
Authority: CN
Inventors: 肖坤; 黄英平; 扈俊杰; 刘洪亮; 穆学超; 张瑞; 李立卫
Original assignee: Fujian Dadonghai Industrial Group Co Ltd
Current assignee: Fujian Dadonghai Industrial Group Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2024-01-12
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to the technical field of dust removal and discloses a blast furnace gas dust removal device, which comprises a bag-type dust remover body, a connecting plate and a plurality of filter bags, wherein the upper end of the bag-type dust remover body is connected with an air pump, the output end of the air pump is fixedly connected and communicated with an air blowing pipe, the other end of the air blowing pipe is connected with a plurality of bidirectional screw rods, the other ends of the bidirectional screw rods penetrate through the connecting plate and are respectively positioned in the filter bags, threads are arranged at one ends of the bidirectional screw rods, which are positioned in the filter bags, of the bidirectional screw rods, connecting holes are formed in the bidirectional screw rods, and the connecting holes are communicated with the air blowing pipe. This kind of blast furnace gas dust collector sets up the gas blow pipe through the air pump below on the sack cleaner body, and a plurality of two-way lead screw is connected to the rethread gas blow pipe, then inserts in the solitary filter bag respectively through two-way lead screw, later blows through jet loop facing to the filter bag, can make the gaseous more concentrated of air pump spun like this, and the effect is better.

Description

Blast furnace gas dust collector

Technical Field

The utility model relates to the technical field of dust removal, in particular to a blast furnace gas dust removal device.

Background

The blast furnace uses steel plate as furnace shell, and the inside of the shell is lined with refractory bricks. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom. The method has the advantages of good technical and economic indexes, simple process, large production quantity, high labor production efficiency, low energy consumption and the like, so that the iron produced by the method accounts for the vast majority of the total world iron yield.

The blast furnace is mainly iron ore, coke, flux for slagging and the like in the processing process, so that a large amount of dust, waste gas and the like can be generated, a cloth bag dust remover is usually used for removing dust aiming at the dust and the waste gas, but after the existing cloth bag dust remover works for a period of time, the surface of a filter bag in the existing cloth bag dust remover is adhered with a large amount of dust particles, and the dust particles do not greatly influence the service life and the filtering effect of the cloth bag.

The existing bag-type dust remover is found by searching: publication (bulletin) number: CN218740781U discloses a "cloth bag dust remover", which comprises a box body, the bottom half fixedly connected with ash discharge hopper, ash discharge hopper and box inner chamber intercommunication, ash discharge hopper one side intercommunication has the air-supply line, fixed mounting has a plurality of guide plates between two relative inner walls of ash discharge hopper, and the length direction of guide plate is perpendicular to the axial of air-supply line, the position of a plurality of guide plates is the fall distribution from top to bottom, the both sides limit slope of guide plate downwards and the centre is upwards arched, box inner wall fixed mounting has the baffle, the baffle separates the box inner chamber into the filter chamber that is located the baffle lower part and the chamber of airing exhaust that is located the baffle upper portion, be equipped with the air vent on the baffle, the sack tube is installed to the air vent department of baffle, the sack tube is located the filter chamber, the sack tube passes through the air vent and is in the chamber of airing exhaust intercommunication. The bag-type dust collector can uniformly disperse air flow through the guide plate, and meanwhile, large-particle dust collides with the guide plate to fall, so that the filtering pressure of the bag-type cylinder can be reduced, and the filtering efficiency can be improved.

However, the existing bag-type dust collector still has the following problems:

although the air flow can be dispersed to reduce the pressure of the cloth bag cylinder, a large amount of fine dust still adheres to the filter bag, and the filter bag is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a blast furnace gas dust removal device, such as: the user can more conveniently clear up the filter bag in the bag-type dust remover.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blast furnace gas dust collector, including the sack cleaner body, install the connecting plate inside the sack cleaner body and install a plurality of filter bags on the connecting plate, the upper end of sack cleaner body is connected with the air pump, the output fixedly connected with of air pump and intercommunication have the gas blow pipe, the other end of gas blow pipe is connected with a plurality of two-way lead screws, the other end of a plurality of two-way lead screws all runs through the connecting plate and is located the inside of a filter bag respectively, a plurality of two-way lead screws only are located the inside one end of filter bag and are provided with the screw thread, the connecting hole has all been seted up to the inside of a plurality of two-way lead screws, a plurality of connecting holes all communicate with the gas blow pipe, a plurality of two-way lead screws are located the outer wall of filter bag one end all is connected with a plurality of gas spouts, a plurality of gas spouts with the connecting hole intercommunication have been seted up in the outer wall penetration of a plurality of gas spouts.

Further, the inner wall of the bag-type dust collector body is fixedly connected with a baffle plate parallel to the connecting plate, and one end of the air blowing pipe, which is far away from the air pump, penetrates through the baffle plate and is communicated with the bidirectional screw rod.

Further, one side fixedly connected with rotating electrical machines that the baffle is close to the air pump, the output shaft of rotating electrical machines runs through the baffle and fixedly connected with master gear, one side rotation that the rotating electrical machines was kept away from to the baffle is connected with a plurality of No. two slave gears and two chains, wherein two with master gear symmetry from the equal fixedly connected with of one side that the baffle was kept away from to the gear, master gear and two from the gear all meshing, a plurality of No. two slave gears divide into two sets with master gear symmetry, two sets of No. two slave gear's surface respectively with two chain meshing, a plurality of two-way lead screws keep away from the one end of filter bag respectively with No. two slave gears fixed connection and intercommunication.

Further, the outer wall fixedly connected with a plurality of division boards that two-way lead screw is located filter bag one end, a plurality of division boards equidistance distributes, and a plurality of jet rings are located respectively between two division boards.

Further, the outer wall of one end of the bidirectional screw rod outside the filter bag is fixedly connected with an air outlet ring communicated with the connecting hole, the bottom surface of the air outlet ring is fixedly connected with a communicated limiting rod, and the other end of the limiting rod penetrates through the plurality of separation plates and the air spraying ring and is communicated with the plurality of air spraying rings.

Further, the upper end of the bag-type dust collector body is connected with a baffle cover through a bolt, the bottom surface of the air pump is fixedly connected with the upper surface of the baffle cover, and an output shaft of the air pump penetrates through the baffle cover and is communicated with the air blowing pipe.

Further, the main gear and the first auxiliary gear are rotationally connected with a base plate close to one side of the second auxiliary gear, and the other side of the base plate is rotationally connected with the two adjacent second auxiliary gears.

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

this kind of blast furnace gas dust collector sets up the gas blow pipe through the air pump below on the sack cleaner body, and a plurality of two-way lead screw is connected to the rethread gas blow pipe, then inserts in the solitary filter bag respectively through two-way lead screw, later blows through jet loop facing to the filter bag, can make the gaseous more concentrated of air pump spun like this, and the effect is better.

Drawings

FIG. 1 is a schematic view of the overall appearance of the present utility model;

FIG. 2 is a schematic cross-sectional view of a bag-type dust collector body of the present utility model;

FIG. 3 is a schematic illustration of the detailed connection of the filter bag and several gears of the present utility model;

FIG. 4 is an exploded view of the present utility model based on FIG. 3;

FIG. 5 is a schematic diagram of the connection of the insufflation tube and the rotary electric machine of the present utility model;

FIG. 6 is a schematic diagram of the connection of the filter bag, the partition plate and the stop lever of the present utility model;

fig. 7 is an enlarged schematic view of fig. 4 at a in accordance with the present utility model.

In the figure: 1. a bag-type dust collector body; 2. a blocking cover; 3. an air pump; 4. a filter bag; 5. a two-way screw rod; 501. a connection hole; 6. a baffle; 7. an air blowing pipe; 8. a second slave gear; 9. a chain; 10. a connecting plate; 11. a main gear; 12. a first slave gear; 13. a partition plate; 14. a limit rod; 15. a gas spraying ring; 1501. a gas injection hole; 16. a backing plate; 17. an air outlet ring; 18. a rotating electric machine.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-7, a blast furnace gas dust collector comprises a bag dust collector body 1, a connecting plate 10 installed in the bag dust collector body 1 and a plurality of filter bags 4 installed on the connecting plate 10, wherein the upper end of the bag dust collector body 1 is connected with an air pump 3, the output end of the air pump 3 is fixedly connected and communicated with an air blowing pipe 7, the other end of the air blowing pipe 7 is connected with a plurality of bidirectional screw rods 5, the other ends of the bidirectional screw rods 5 penetrate through the connecting plate 10 and are respectively positioned in the filter bags 4, threads are arranged at one ends of the bidirectional screw rods 5, connecting holes 501 are formed in the bidirectional screw rods 5, the connecting holes 501 are communicated with the air blowing pipe 7, the outer walls of the bidirectional screw rods 5 positioned at one ends of the filter bags 4 are respectively connected with a plurality of air blowing rings 15, and the outer walls of the air blowing rings 15 are penetrated and provided with a plurality of air blowing holes 1501 communicated with the connecting holes 501.

The structure of the blast furnace gas dust collector is similar to that of the existing dust collector, such as a bag-type dust collector disclosed in the patent with publication number of CN218740781U, the main improvement point of the blast furnace gas dust collector is that a user can clean filter bags in the bag-type dust collector more conveniently, as shown in figures 1 to 7, when the blast furnace gas dust collector is used, external dust can enter the bag-type dust collector body 1 through an ash inlet of the bag-type dust collector body 1, dust entering the bag-type dust collector body 1 can be filtered through a plurality of filter bags 4, the larger dust can fall into an ash bucket below due to self gravity, fine dust can be adhered to the filter bags 4, clean gas can be discharged through an outlet of the bag-type dust collector body 1, after the dust on the filter bags 4 is adhered to a certain degree, the service life of the filter bags 4 is affected, or after the filtering effect is affected, the air pump 3 is opened, the air is blown into the bag body 1 through the air pump 7, the other end of the air pump 7 is connected with the filter bags 5 through the air blowing pipe, and the filter bags 5 through the air blowing pipe 7 are inserted into the filter bags 4, and then blown out of the filter bags 15 through the air blowing ring 15 can be blown out of the filter bags 4 more evenly, and the air can be blown out of the filter bags through the filter bags 15 more evenly than the filter bags 4, and the air blowing holes can be blown out of the filter bags through the filter rings 15.

As shown in fig. 2-5, the inner wall of the bag-type dust collector body 1 is fixedly connected with a baffle 6 parallel to a connecting plate 10, and one end of the air blowing pipe 7, which is far away from the air pump 3, penetrates through the baffle 6 and is communicated with the bidirectional screw rod 5. The air pump 3 and the air blowing pipe 7 can be separated from the bidirectional screw rod 5 by the baffle 6, and the air filtered by the filter bag 4 can be discharged from the outlet of the bag-type dust collector body 1 after being separated, so that the air pump 3 and the like can not be influenced.

As shown in fig. 2-4, a rotating motor 18 is fixedly connected to one side of the baffle 6, close to the air pump 3, an output shaft of the rotating motor 18 penetrates through the baffle 6 and is fixedly connected with a main gear 11, one side, far away from the rotating motor 18, of the baffle 6 is rotatably connected with a plurality of second driven gears 8 and two chains 9, two second driven gears 8 symmetrical with the main gear 11 are fixedly connected with first driven gears 12, the main gear 11 is meshed with the first driven gears 12, the plurality of second driven gears 8 are symmetrically divided into two groups by the main gear 11, the surfaces of the two groups of second driven gears 8 are meshed with the two chains 9 respectively, and one ends, far away from the filter bags 4, of the plurality of bidirectional screw rods 5 are fixedly connected and communicated with the second driven gears 8 respectively.

More specifically, when the air pump 3 is turned on to remove dust from the filter bag 4, the rotating motor 18 is turned on synchronously, the output shaft of the rotating motor 18 rotates and drives the main gear 11 to rotate together, the main gear 11 also simultaneously engages with the first-number auxiliary gear 12, the first-number auxiliary gear 12 rotates and drives the second-number auxiliary gear 8 connected with the main gear 12 to rotate together, the second-number auxiliary gear 8 after rotation drives the other second-number auxiliary gears 8 to rotate together because the surface of the second-number auxiliary gear 8 is connected with the chain 9, the second-number auxiliary gear 8 after rotation drives the plurality of bidirectional screw rods 5 below to rotate along with the rotation of the bidirectional screw rods 5, and the plurality of air injection rings 15 are driven to move up and down along the mouths of the bidirectional screw rods 5.

As shown in fig. 6, the outer wall of the bidirectional screw rod 5 at one end of the filter bag 4 is fixedly connected with a plurality of partition plates 13, the partition plates 13 are distributed at equal intervals, and a plurality of air injection rings 15 are respectively positioned between the two partition plates 13. By providing the partition plate 13 to separate the plurality of air injection rings 15, it is possible to prevent the problem that the air injection rings 15 slip or collide with each other when moving on the bidirectional screw rod 5.

As shown in fig. 6, an air outlet ring 17 communicated with the connecting hole 501 is fixedly connected to the outer wall of one end of the bidirectional screw rod 5 outside the filter bag 4, a communicated limit rod 14 is fixedly connected to the bottom surface of the air outlet ring 17, and the other end of the limit rod 14 penetrates through the plurality of partition plates 13 and the air injection ring 15 and is communicated with the plurality of air injection rings 15. Through setting up the air-out ring 17, after other in the air pump 3 pass through in the gas-blowing pipe 7, the connecting hole 501, can pass through air-out ring 17 and gag lever post 14 again and accurately transmit in the corresponding jet-propelled ring 15.

As shown in fig. 1 and 2, the upper end of the bag-type dust collector body 1 is connected with a baffle cover 2 through a bolt, the bottom surface of the air pump 3 is fixedly connected with the upper surface of the baffle cover 2, and the output shaft of the air pump 3 penetrates through the baffle cover 2 and is communicated with the air blowing pipe 7. The shielding cover 2 can prevent external dust from affecting the air pump 3, and when the air pump 3 or the air blowing pipe 7 is damaged, the bolt connection can be arranged for more convenient installation and disassembly.

As shown in fig. 4 and 7, the main gear 11 and the first secondary gear 12 are rotatably connected with a backing plate 16 near one side of the second secondary gear 8, and the other side of the backing plate 16 is rotatably connected with the second adjacent secondary gears 8. The main gear 11, the first slave gear 12 and the second slave gear 8 are separated by the base plate 16, so that the tooth collision between the gears can be prevented from being damaged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blast furnace gas dust collector, includes sack cleaner body (1), installs connecting plate (10) inside sack cleaner body (1) and installs a plurality of filter bags (4) on connecting plate (10), its characterized in that: the upper end of sack cleaner body (1) is connected with air pump (3), the output fixed connection and the intercommunication of air pump (3) have air-blowing pipe (7), the other end of air-blowing pipe (7) is connected with a plurality of two-way lead screws (5), the other end of a plurality of two-way lead screws (5) all runs through connecting plate (10) and is located the inside of a filter bag (4) respectively, a plurality of two-way lead screws (5) only are located the inside one end of filter bag (4) and are provided with the screw thread, connecting hole (501) have all been seted up to the inside of a plurality of two-way lead screws (5), a plurality of connecting hole (501) all communicate with air-blowing pipe (7), the outer wall that a plurality of two-way lead screws (5) are located filter bag (4) one end all is connected with a plurality of air-blowing ring (15), a plurality of air-blowing ring (15)'s outer wall runs through and has seted up a plurality of air-blowing holes (1501) with connecting hole (501) intercommunication.

2. A blast furnace gas dust-removing apparatus according to claim 1, wherein: the inner wall of the bag-type dust collector body (1) is fixedly connected with a baffle (6) parallel to the connecting plate (10), and one end of the air blowing pipe (7) far away from the air pump (3) penetrates through the baffle (6) and is communicated with the bidirectional screw rod (5).

3. A blast furnace gas dust-removing apparatus according to claim 2, wherein: one side fixedly connected with rotating electrical machines (18) that baffle (6) is close to air pump (3), the output shaft of rotating electrical machines (18) runs through baffle (6) and fixedly connected with master gear (11), one side rotation that rotating electrical machines (18) was kept away from to baffle (6) is connected with a plurality of No. two slave gears (8) and two chains (9), wherein two with master gear (11) symmetrical No. two slave gears (8) keep away from one side of baffle (6) equal fixedly connected with from gear (12), master gear (11) and two slave gears (12) are all meshed, a plurality of No. two slave gears (8) divide into two groups with master gear (11) symmetry, the surface of two groups No. two slave gears (8) meshes with two chains (9) respectively, the one end that filter bag (4) was kept away from to a plurality of two-way lead screw (5) is respectively with No. two slave gears (8) fixed connection and intercommunication.

4. A blast furnace gas dust-removing apparatus according to claim 1, 2 or 3, wherein: the outer wall of the two-way screw rod (5) at one end of the filter bag (4) is fixedly connected with a plurality of separation plates (13), the separation plates (13) are distributed at equal intervals, and a plurality of air spraying rings (15) are respectively positioned between the two separation plates (13).

5. The blast furnace gas dust-removing apparatus according to claim 4, wherein: one end outer wall fixedly connected with that two-way lead screw (5) are located outside filter bag (4) is given vent to anger ring (17) with connecting hole (501) intercommunication, and the bottom surface fixedly connected with of ring (17) of giving vent to anger gag lever post (14) of intercommunication, and the other end of gag lever post (14) runs through a plurality of division boards (13) and jet-propelled ring (15) to all communicate with a plurality of jet-propelled rings (15).

6. A blast furnace gas dust-removing apparatus according to claim 1, 2, 3 or 5, wherein: the upper end of the bag-type dust collector body (1) is connected with a baffle cover (2) through a bolt, the bottom surface of the air pump (3) is fixedly connected with the upper surface of the baffle cover (2), and the output shaft of the air pump (3) penetrates through the baffle cover (2) and is communicated with the air blowing pipe (7).

7. A blast furnace gas dust-removing apparatus according to claim 3, wherein: the main gear (11) and the first auxiliary gear (12) are rotationally connected with a base plate (16) near one side of the second auxiliary gear (8), and the other side of the base plate (16) is rotationally connected with the second adjacent auxiliary gears (8).