CN215137902U - Dry type dust removal device for blast furnace metallurgy - Google Patents
Dry type dust removal device for blast furnace metallurgy Download PDFInfo
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- CN215137902U CN215137902U CN202121664898.4U CN202121664898U CN215137902U CN 215137902 U CN215137902 U CN 215137902U CN 202121664898 U CN202121664898 U CN 202121664898U CN 215137902 U CN215137902 U CN 215137902U
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- blast furnace
- fluidized bed
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Abstract
The utility model discloses a dry dust removal device for blast furnace metallurgy, which comprises a dust removal box, wherein the lower end of the dust removal box and the lower end of a fluidized bed are both conical structures; the mounting mechanism is arranged at the upper end in the dust removing box and comprises a connecting plate, a mounting plate, a dust removing cloth bag, a first limiting rod and a second limiting rod; the second connecting pipe is integrally connected inside the lower end of the middle spherical tank, and the lower end of the second connecting pipe is integrally connected inside the upper end of the fluidized bed; the anti-blocking mechanism is arranged at the middle lower end in the fluidized bed and comprises a connecting shaft, a vibration block and a motor. This dry-type dust collector for blast furnace metallurgy, device are closed system, avoid defeated ash in-process to produce the raise dust, dismantle the clearance to the dust removal sack easily moreover, prevent to shunt bed screen cloth simultaneously and block up.
Description
Technical Field
The utility model relates to a blast furnace metallurgy related technical field specifically is a dry-type dust collector for blast furnace metallurgy.
Background
A large amount of dust can be generated in each process section in the blast furnace ironmaking process, in order to prevent the dust from being discharged into the air to cause serious environmental pollution, the dust generated in each process section can be well collected by utilizing a dry dust removal process, and at present, dry dust removal devices are various, wherein one of the dry dust removal devices is to utilize high-fluidity nitrogen to carry out dust conveying and removing.
However, in the general dry dust collector for blast furnace metallurgy, dust is easy to generate in the ash conveying process, the dust collecting cloth bag is not easy to detach and clean, and the screen on the shunting bed is easy to block, so that the dry dust collector for blast furnace metallurgy is provided to solve the problems.
Disclosure of Invention
An object of the utility model is to provide a dry dust collector for blast furnace metallurgy to solve the dry dust collector for most blast furnace metallurgy that provide in the above-mentioned background art, the ash conveying in-process produces the raise dust easily, is difficult to dismantle the clearance to the dust removal sack moreover, shunts the easy problem that blocks up of bed screen cloth simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a dry dust removal device for blast furnace metallurgy comprises a dust removal box, wherein the lower end of the dust removal box and the lower end of a fluidized bed are both in a conical structure, the bottom end of the dust removal box is fixedly connected with a first connecting pipe, a ball valve is arranged on the first connecting pipe, the lower end of the first connecting pipe is fixedly connected inside the upper end of a middle spherical tank, and a nitrogen conveying pipe is arranged at the upper left end of the middle spherical tank;
the mounting mechanism is arranged at the upper end in the dust removal box and comprises a connecting plate, a mounting plate, a dust removal cloth bag, a first limiting rod and a second limiting rod, wherein the connecting plate is fixedly connected to the upper end in the dust removal box, and the cross section of the connecting plate is of a circular structure;
the second connecting pipe is integrally connected inside the lower end of the middle spherical tank, the lower end of the second connecting pipe is integrally connected inside the upper end of the fluidized bed, and the nitrogen conveying pipe is installed at the left upper end of the middle spherical tank;
the anti-blocking mechanism is arranged at the middle lower end in the fluidized bed and comprises a connecting shaft, a vibration block and a motor.
Preferably, the mounting panel has been placed to the upper end of connecting plate, and the upper end of mounting panel is the integration of equidistance and is connected with first gag lever post to the lower extreme fixedly connected with second gag lever post of mounting panel, the one-to-one is from top to bottom in the position of first gag lever post and second gag lever post simultaneously.
Preferably, the upper end of the first limiting rod is nested on the inner wall of the upper end of the box cover, and the box cover is connected to the upper end of the dust removal box through bolts;
the second limiting rod arranged on the lower side of the first limiting rod is connected to the inner portion of the upper end of the connecting plate in a clamping mode, the diameter of the inner end of the connecting plate is equal to the diameter of the outer end of the dust removal cloth bag, and the upper end of the dust removal cloth bag is fixedly connected to the lower end of the mounting plate.
Preferably, the filter screen is installed to the inside middle-end of fluidized bed, and the well downside of filter screen is equidistant distribution and has the vibrations piece to the lower extreme fixed connection of vibrations piece is on the connecting axle, the bottom fixedly connected with ash conveying pipe of fluidized bed.
Preferably, the intersection point of the vibration block and the connecting shaft is not in common with the center of the vibration block, and the motor is installed at the rear end of the connecting shaft, wherein one end of the vibration block, which is far away from the connecting shaft, is in contact with the lower end of the filter screen.
Compared with the prior art, the beneficial effects of the utility model are that: the dry dust removal device for blast furnace metallurgy is a closed system, avoids dust raising in the ash conveying process, is easy to disassemble and clean a dust removal cloth bag, and simultaneously prevents a screen on a shunting bed from being blocked;
1. the dust removal device is provided with a dust removal box, a middle spherical tank and a fluidized bed, wherein the lower end of a first connecting pipe is fixedly connected inside the upper end of the middle spherical tank, so that the dust removal box is communicated with the middle spherical tank through the first connecting pipe, a second connecting pipe is integrally connected inside the lower end of the middle spherical tank, so that the fluidized bed is communicated with the second connecting pipe through the second connecting pipe, the dust removal box, the middle spherical tank and the fluidized bed form an integrated structure, and the whole device is in a closed state to avoid dust raising in the dust conveying process;
2. the upper end of the first limiting rod is nested on the inner wall of the upper end of the box cover, so that after the box cover is separated from the dust removal box, the upper end of the box cover can be separated from the first limiting rod, the second limiting rod is connected inside the upper end of the connecting plate in a clamping manner, the first limiting rod is pulled towards the upper end to separate the second limiting rod from the upper end of the connecting plate, and therefore the mounting plate is taken out of the dust removal box, and the dust removal cloth bag is easy to disassemble and clean;
3. the anti-blocking mechanism is arranged, the intersection point of the vibration block and the connecting shaft is not in common with the center of the vibration block, so that the vibration block which is distributed at equal intervals is driven to rotate when the connecting shaft rotates, one end, far away from the connecting shaft, of the vibration block collides with the filter screen, and the screen mesh on the shunting bed is prevented from being blocked.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the right side view cross-sectional structure of the connection shaft and the fluidized bed of the present invention;
FIG. 3 is a schematic view of the connection structure of the connection plate and the first limiting rod of the present invention;
fig. 4 is the schematic view of the connection shaft and the vibration block of the present invention.
In the figure: 1. a dust removal box; 2. a box cover; 3. an installation mechanism; 301. a connecting plate; 302. mounting a plate; 303. a dust removal cloth bag; 304. a first limit rod; 305. a second limiting rod; 4. a first connecting pipe; 5. a ball valve; 6. a middle spherical tank; 7. a second connecting pipe; 8. filtering with a screen; 9. an anti-blocking mechanism; 901. a connecting shaft; 902. a vibration block; 903. a motor; 10. a fluidized bed; 11. a nitrogen conveying pipe; 12. an ash conveying pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a dry-type dust removal device for blast furnace metallurgy comprises a dust removal box 1, a box cover 2, an installation mechanism 3, a first connecting pipe 4, a ball valve 5, a middle spherical tank 6, a second connecting pipe 7, a filter screen 8, an anti-blocking mechanism 9, a fluidized bed 10, a nitrogen conveying pipe 11 and an ash conveying pipe 12, wherein when the dry-type dust removal device for blast furnace metallurgy is used, the bolt at the joint of the box cover 2 and the dust removal box 1 is taken out when a dust removal cloth bag 303 needs to be cleaned by combining with the drawing of the box cover 2 is required, the first limiting rod 304 nested inside the upper end of the drawing of the box cover 2 is separated from the box cover 2, the first limiting rod 304 is pulled to the upper end, so that the second limiting rod 305 clamped inside the upper end of the connecting plate 301 is separated from the connecting plate 301 until the dust removal cloth bag 303 is taken out of the dust removal box 1, and the dust removal cloth bag 303 is cleaned;
after cleaning, the dust removal cloth bag 303 is placed in the circular ring-shaped structure of the connecting plate 301, the outer wall of the dust removal cloth bag 303 is attached to the inner end of the circular ring-shaped structure of the connecting plate 301, the second limiting rod 305 which is arranged at an equal angle is clamped at a corresponding position in the upper end of the connecting plate 301, the box cover 2 is placed at the upper end of the dust removal box 1 and is positioned through a bolt, the first limiting rod 304 which is arranged at an equal angle is embedded at a corresponding position in the upper end of the box cover 2, and the mounting plate 302 is prevented from offsetting at the upper end of the connecting plate 301 through the second limiting rod 305 and the first limiting rod 304;
referring to fig. 1, 2 and 4, the flue gas containing dust enters the interior of the dust box 1 through the air inlet pipe at the left end of the dust box 1, the gas in the flue gas in the dust box 1 moves upward and is filtered by the dust bag 303, the gas without dust is discharged through the air outlet pipe at the top end of the box cover 2, the dust is left in the conical structure at the lower end of the dust box 1, the dust in the dust box 1 enters the interior of the middle spherical tank 6 through the first connecting pipe 4 by opening the ball valve 5 and the control valve on the nitrogen conveying pipe 11, meanwhile, the nitrogen enters the interior of the middle spherical tank 6 through the nitrogen conveying pipe 11, when the ball valve 5 mounted on the second connecting pipe 7 is opened, the nitrogen blows the dust into the interior of the fluidized bed 10, the dust is fluidized through the fluidized bed 10 and the filter screen 8, the fluidized dust enters the interior of the dust conveying pipe 12 through the conical structure at the bottom end of the fluidized bed 10, conveying the fluidized dust into a centralized dust bin through a dust conveying pipe 12, wherein the pressure of dust conveying nitrogen is more than or equal to 3 Mpa;
in order to prevent the filter screen 8 from being blocked by dust, the motor 903 works to drive the connecting shaft 901 to rotate, the connecting shaft 901 drives the vibration blocks 902 arranged at equal intervals to rotate, and the vibration blocks 902 vibrate the filter screen 8 when rotating because the lower end of the filter screen 8 is in contact with one end of the vibration blocks 902 far away from the connecting shaft 901, so that the dust is prevented from blocking meshes of the filter screen 8;
referring to fig. 1 and 2, the upper end and the lower end of the first connecting pipe 4 are respectively and fixedly connected to the bottom end of the dust removing box 1 and the upper end of the middle spherical tank 6, so that dust in the dust removing box 1 enters the middle spherical tank 6 through the first connecting pipe 4, and is prevented from leaking when entering the middle spherical tank 6, and the upper end and the lower end of the second connecting pipe 7 are respectively and integrally connected to the lower end of the middle spherical tank 6 and the upper end of the fluidized bed 10, so that dust in the middle spherical tank 6 enters the fluidized bed 10 through the second connecting pipe 7, and is prevented from leaking when entering the fluidized bed 10;
when dust in the fluidized bed 10 enters the concentrated dust bin, the dust is conveyed into the concentrated dust bin through the dust conveying pipe 12, so that the dust removing box 1, the middle spherical tank 6 and the fluidized bed 10 form an integrated structure, the device is a closed system, and dust is prevented from being raised in the dust conveying process, and the working principle of the dry dust removing device for blast furnace metallurgy is realized.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A dry dust collector for blast furnace metallurgy, characterized by comprising:
the device comprises a dust removal box (1), wherein the lower end of the dust removal box (1) and the lower end of a fluidized bed (10) are of conical structures, the bottom end of the dust removal box (1) is fixedly connected with a first connecting pipe (4), a ball valve (5) is installed on the first connecting pipe (4), the lower end of the first connecting pipe (4) is fixedly connected inside the upper end of a middle spherical tank (6), and meanwhile, a nitrogen conveying pipe (11) is installed at the upper left end of the middle spherical tank (6);
the dust collection box comprises a mounting mechanism (3), wherein the mounting mechanism (3) is arranged at the upper end in the dust collection box (1), the mounting mechanism (3) comprises a connecting plate (301), a mounting plate (302), a dust collection cloth bag (303), a first limiting rod (304) and a second limiting rod (305), the connecting plate (301) is fixedly connected to the upper end in the dust collection box (1), and the cross section of the connecting plate (301) is of a circular ring-shaped structure;
the second connecting pipe (7) is integrally connected inside the lower end of the middle spherical tank (6), the lower end of the second connecting pipe (7) is integrally connected inside the upper end of the fluidized bed (10), and a nitrogen conveying pipe (11) is installed at the left upper end of the middle spherical tank (6);
and the anti-blocking mechanism (9) is arranged at the middle lower end in the fluidized bed (10), and the anti-blocking mechanism (9) comprises a connecting shaft (901), a vibration block (902) and a motor (903).
2. The dry dust removing device for blast furnace metallurgy according to claim 1, characterized in that: mounting panel (302) have been placed to the upper end of connecting plate (301), and the upper end of mounting panel (302) is the integration of equidistance and is connected with first gag lever post (304) to the lower extreme fixedly connected with second gag lever post (305) of mounting panel (302), the one-to-one about the position of first gag lever post (304) and second gag lever post (305) simultaneously.
3. The dry dust removing device for blast furnace metallurgy according to claim 2, characterized in that: the upper end of the first limiting rod (304) is nested on the inner wall of the upper end of the box cover (2), and the box cover (2) is connected to the upper end of the dust removal box (1) through bolts;
the second limiting rod (305) arranged on the lower side of the first limiting rod (304) is connected to the inner portion of the upper end of the connecting plate (301) in a clamping mode, the diameter of the inner end of the connecting plate (301) is equal to the diameter of the outer end of the dust removal cloth bag (303), and the upper end of the dust removal cloth bag (303) is fixedly connected to the lower end of the mounting plate (302).
4. The dry dust removing device for blast furnace metallurgy according to claim 1, characterized in that: the filter screen (8) are installed to the inside middle-end of fluidized bed (10), and the well downside of filter screen (8) is equidistant distribution and has vibrations piece (902), and the lower extreme fixed connection of vibrations piece (902) is on connecting axle (901), the bottom fixed connection of fluidized bed (10) has defeated ash pipe (12).
5. The dry dust removing device for blast furnace metallurgy according to claim 4, characterized in that: the intersection point of the vibration block (902) and the connecting shaft (901) is not in common with the center of the vibration block (902), the rear end of the connecting shaft (901) is provided with a motor (903), and one end, far away from the connecting shaft (901), of the vibration block (902) is in contact with the lower end of the filter screen (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664898.4U CN215137902U (en) | 2021-07-21 | 2021-07-21 | Dry type dust removal device for blast furnace metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664898.4U CN215137902U (en) | 2021-07-21 | 2021-07-21 | Dry type dust removal device for blast furnace metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215137902U true CN215137902U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121664898.4U Active CN215137902U (en) | 2021-07-21 | 2021-07-21 | Dry type dust removal device for blast furnace metallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215137902U (en) |
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2021
- 2021-07-21 CN CN202121664898.4U patent/CN215137902U/en active Active
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