CN216838045U

CN216838045U - Dust type hot-blast furnace

Info

Publication number: CN216838045U
Application number: CN202220560507.2U
Authority: CN
Inventors: 廖小嫚
Original assignee: Baxter Machinery Technology Zhaoqing Co ltd
Current assignee: Baxter Machinery Technology Zhaoqing Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-28
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses a dust type hot-blast furnace relates to hot-blast furnace technical field, including the hot-blast furnace main part, the installation notch has been seted up to the side upper end of hot-blast furnace main part, and the inside of installation notch is provided with dust removal mechanism, and the four corners of hot-blast furnace main part is provided with the tuber pipe that converges, with fixedly connected with U type discharge between two the tuber pipes that converge of one side. The utility model discloses, high temperature air earlier with the contact of dust removal otter board down, thereby high temperature gas in the dust carry out the dust for the first time when removing dust the otter board down and filter, thereby avoid the large granule dust of adulteration in the high temperature air to get into, the high temperature air after removing dust the otter board in the middle of through begins to remove dust the otter board with last contact, thereby it filters poisonous gas and small particulate matter dust in the high temperature air again to go up the active carbon granule in the dust removal otter board under high temperature catalytic action, thereby make the air dust content who enters into in the air collecting pipe lower, be convenient for to the high temperature gas's that the heating furnace produced the hot-blast furnace main part use.

Description

Dust type hot-blast furnace

Technical Field

The utility model relates to a hot-blast furnace technical field, more specifically relate to a dust type hot-blast furnace.

Background

The hot blast stove is a heating device commonly used in an industrial heating process and mainly used for providing high-temperature and high-pressure air for blast furnace iron making.

When the existing hot blast stove is used, high-temperature air generated by the hot blast stove is combusted through fuel, pressurized and then conveyed to a needed iron-making heating furnace for heating, however, the fuel contains a large amount of dust in tail gas after combustion, and the dust in the gas is easily attached to the inner wall of a pipeline and is not easily cleaned when the dust is conveyed through a high-temperature gas conveying pipeline, and meanwhile, the high-temperature gas containing a large amount of dust enters the heating furnace to easily cause the bottom of the heating furnace to form a carbon black attaching layer, so that the heating effect of the high-temperature gas on the heating furnace is influenced.

Therefore, there is a need to provide a dust-removing hot blast stove which solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the problem that dust in tail gas is difficult to clean and filter, the utility model provides a dust removal type hot blast stove.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a dust removal type hot blast stove comprises a hot blast stove main body, wherein an installation notch is formed in the upper end of the side of the hot blast stove main body, a dust removal mechanism is arranged inside the installation notch, air gathering pipes are arranged at four corners of the hot blast stove main body, a U-shaped air collecting pipe is fixedly connected between two air gathering pipes on the same side, a communicating pipe is fixedly connected between the two U-shaped air collecting pipes, and an air supply pipe is fixedly connected to the upper end of the communicating pipe;

the dust removing mechanism comprises a lower dust removing screen plate, a middle dust removing screen plate, an upper dust removing screen plate, a first side connecting plate, a second side connecting plate, a carrying plate and a handle, wherein the upper dust removing screen plate, the middle dust removing screen plate and the lower dust removing screen plate are sequentially arranged between the first side connecting plate and the second side connecting plate from top to bottom;

the lower dust removal screen plate is a carbon steel plate provided with a plurality of honeycomb holes, the middle dust removal screen plate is a stainless steel screen plate formed by polymerization of a plurality of layers of stainless steel meshes arranged in a staggered mode, and the upper dust removal screen plate is an activated carbon screen plate.

Furthermore, the right side surface four corners of second side connecting plate is provided with the joint post, the inside right side surface correspondence of installation notch has seted up the joint hole.

Further, a fastening end block is arranged on the left side surface of the first side connecting plate and fixedly connected with the hot blast stove main body through bolts.

Further, the outside of hot-blast furnace main part is provided with feed mechanism, feed mechanism includes feeding case groove, feeding motor, feeding impeller and motor support, feeding case groove fixed connection is in the outside of hot-blast furnace main part, the junction of feeding case groove and hot-blast furnace main part has throws the material port, motor support sets up the outside in feeding case groove, the feeding motor sets up the top at motor support, the output shaft and the feeding impeller fixed connection of feeding motor.

Further, the lower extreme of hot-blast furnace main part is equipped with the plant ash and collects the mouth, the inside detachable of plant ash collection mouth installs the plant ash and collects the fill.

Further, a handle assembly is arranged outside the plant ash collecting hopper.

Further, roller assemblies are symmetrically arranged on two sides of the hot blast stove main body.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, when using, the inside high temperature air of hot-blast furnace main part under the gas pressure effect, upwards flow and assemble in the top of hot-blast furnace main part, thereby high temperature air contact with dust removal otter board down earlier, thereby high temperature gas in dust carry out the first filtration with the dust when removing the otter board down, thereby avoid the large granule dust that adulterates in the high temperature air to get into, high temperature air that filters through removing the otter board down filters once more through middle dust removal otter board, thereby dust in the high temperature air filter once more through the multilayer stainless steel mesh of crisscross arrangement, filter the dust in the high temperature air once more, high temperature air after removing the otter board and beginning to contact with last dust removal otter board in the middle, thereby activated carbon particle filters toxic gas and the tiny particle matter dust in the high temperature air again under the high temperature catalysis in the last dust removal otter board, therefore, the dust content of the air entering the air collecting pipe is lower, the content of the carried toxic gas is lower, and the high-temperature gas generated by the hot blast stove main body can be conveniently used.

2. The utility model discloses, through setting up joint post and joint hole, when installation detaching mechanism, only need to promote dust removal mechanism along the installation notch is inside to make joint post card go into to the joint downthehole to accomplish the installation to detaching mechanism and use, detaching mechanism after the installation is higher with the cooperation precision of installation notch, has also avoided high-temperature gas to appear revealing simultaneously.

3. The utility model discloses, through setting up feed mechanism, under the drive effect of feeding motor, the output shaft of feeding motor drives the feeding impeller and rotates to the rotation of feeding impeller will drop into the orderly and even inside of sending into the hot-blast furnace main part of the burning material in feeding box groove and burn, thereby be convenient for make the material burning more abundant, make the chemistry of material can obtain abundant release.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the cross-sectional connection structure of the present invention;

fig. 3 is a schematic view of the side view connection structure of the present invention;

fig. 4 is a schematic view of the connection structure of the dust removing mechanism of the present invention.

Reference numerals: 1. a hot blast main body; 2. installing a notch; 3. a dust removal mechanism; 301. a lower dust removal screen plate; 302. a middle dust removing screen plate; 303. a first side connecting plate; 304. a second side connecting plate; 305. a carrying plate; 306. a handle; 307. putting a dust removal screen plate; 4. a wind converging pipe; 5. a U-shaped gas collecting pipe; 6. a communicating pipe; 7. an air supply pipe; 8. a clamping column; 9. a clamping hole; 10. a fastening end block; 11. a feeding mechanism; 1101. a feed box trough; 1102. a feeding motor; 1103. a feed impeller; 1104. a motor bracket; 1105. a feeding port; 12. a plant ash collecting port; 13. a plant ash collecting hopper; 14. a handle assembly; 15. a roller assembly.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a dust-removing hot-blast stove comprises a hot-blast stove main body 1, wherein roller assemblies 15 are symmetrically arranged on two sides of the hot-blast stove main body 1, a plant ash collecting port 12 is arranged at the lower end of the hot-blast stove main body 1, a plant ash collecting hopper 13 is detachably arranged in the plant ash collecting port 12, a handle assembly 14 is arranged outside the plant ash collecting hopper 13, an installation notch 2 is formed in the upper end of the side of the hot-blast stove main body 1, a dust removing mechanism 3 is arranged in the installation notch 2, air converging pipes 4 are arranged at four corners of the hot-blast stove main body 1, a U-shaped air collecting pipe 5 is fixedly connected between the two air converging pipes 3 on the same side, a communicating pipe 6 is fixedly connected between the two U-shaped air collecting pipes 5, and an air supply pipe 7 is fixedly connected to the upper end of the communicating pipe 6;

the dust removing mechanism 3 comprises a lower dust removing screen plate 301, a middle dust removing screen plate 302, an upper dust removing screen plate 307, a first side connecting plate 303, a second side connecting plate 304, a carrying plate 305 and a handle 306, wherein the upper dust removing screen plate 307, the middle dust removing screen plate 302 and the lower dust removing screen plate 301 are sequentially arranged between the first side connecting plate 303 and the second side connecting plate 304 from top to bottom, the carrying plate 305 penetrates through the lower dust removing screen plate 301, the middle dust removing screen plate 302 and the upper dust removing screen plate 307 and is connected with the lower dust removing screen plate 301, the middle dust removing screen plate 302 and the upper dust removing screen plate 307, and the handle 306 is arranged on the left side surface of the first side connecting plate 303;

the lower dust-removing screen 301 is a carbon steel plate provided with a plurality of honeycomb holes, the middle dust-removing screen 302 is a stainless steel screen plate formed by polymerization of a plurality of layers of stainless steel meshes which are arranged in a staggered mode, and the upper dust-removing screen 307 is an activated carbon screen plate.

In this embodiment, when in use, the high temperature air inside the hot blast stove main body 1 flows upwards and gathers above the hot blast stove main body 1 under the action of gas pressure, so that the high temperature air contacts with the lower dust-removing screen 301 first, so that the dust in the high temperature air is filtered for the first time when passing through the lower dust-removing screen 301, thereby preventing large particle dust doped in the high temperature air from entering, the high temperature air filtered by the lower dust-removing screen 301 is filtered again by the middle dust-removing screen 302, so that the dust in the high temperature air is filtered again by the multi-layer stainless steel nets arranged in a staggered manner, the dust in the high temperature air is filtered again, the high temperature air filtered by the middle dust-removing screen 302 starts to contact with the upper dust-removing screen 307, and the active carbon particles in the upper dust-removing screen 307 filter the toxic gas and the fine particle dust in the high temperature air again under the action of high temperature catalysis, therefore, the dust content of the air entering the air collecting pipe 4 is lower, the content of the carried toxic gas is lower, and the high-temperature gas generated by the hot blast stove main body 1 can be conveniently used.

Example 2

Referring to fig. 2, the present embodiment is further optimized based on embodiment 1, specifically, four corners of the right side surface of the second side connecting plate 304 are provided with clamping columns 8, and the right side surface of the inside of the installation notch 2 is correspondingly provided with clamping holes 9.

Specifically, the left side surface of the first side connecting plate 303 is provided with a fastening end block 10, and the fastening end block 10 is fixedly connected to the hot blast stove main body 1 by bolts.

In this embodiment, through setting up joint post 8 and joint hole 9, when installation detaching mechanism 3, only need to make joint post 8 card go into joint hole 9 along installation notch 2 inside promotion dust removal mechanism 3 to the completion is used the installation of detaching mechanism 3, and detaching mechanism 3 after the installation is higher with the cooperation precision of installation notch 2, has also avoided high-temperature gas to appear revealing simultaneously.

Example 3

Referring to fig. 1-3, the present embodiment is optimized based on example 1 or example 2, specifically, a feeding mechanism 11 is disposed outside a main body 1 of the hot blast stove, the feeding mechanism 11 includes a feeding tank 1101, a feeding motor 1102, a feeding impeller 1103 and a motor support 1104, the feeding tank 1101 is fixedly connected to the outside of the main body 1 of the hot blast stove, a feeding port 1105 is disposed at a connection position between the feeding tank 1101 and the main body 1 of the hot blast stove, the motor support 1104 is disposed outside the feeding tank 1101, the feeding motor 1102 is disposed above the motor support 1104, and an output shaft of the feeding motor 1102 is fixedly connected to the feeding impeller 1103.

In this embodiment, through setting up feed mechanism 11, under the driving action of feed motor 1102, the output shaft of feed motor 1102 drives feed impeller 1103 and rotates to feed impeller 1103's rotation will drop into the orderly and even inside of sending into hot-blast furnace main part 1 of the burning material of feed box groove 1101 and burn, thereby be convenient for make the material burning more abundant, make the chemical energy of material obtain abundant release.

In summary, the following steps: the utility model discloses, when using, the inside high temperature air of hot-blast furnace main part 1 under the gas pressure effect, upwards flow and assemble in the top of hot-blast furnace main part 1, thereby high temperature air contact with dust removal otter board 301 down earlier, thereby high temperature gas in dust carry out the first filtration with the dust when removing otter board 301 down, thereby avoid the large granule dust that adulterates in the high temperature air to get into, the high temperature air that filters through dust removal otter board 301 down filters once more through middle dust removal otter board 302, thereby high temperature air in the high temperature air in dust filter once more through the multilayer stainless steel mesh of crisscross arrangement, filter the dust in the high temperature air once more, the high temperature air after removing otter board 302 filters begins to contact with last dust removal otter board 307, active carbon particle filters toxic gas and the tiny particulate matter dust in the high temperature air again under the high temperature catalysis in last dust removal otter board 307, therefore, the dust content of the air entering the air collecting pipe 4 is lower, the content of the carried toxic gas is lower, and the high-temperature gas generated by the hot blast stove main body 1 can be conveniently used;

through setting up joint post 8 and joint hole 9, when installation detaching mechanism 3, only need inwards promote dust removal mechanism 3 along installation notch 2 and make joint post 8 card go into joint hole 9 in, thereby accomplish the installation to detaching mechanism 3 and use, detaching mechanism 3 after the installation is higher with installation notch 2's cooperation precision, high temperature gas has also been avoided simultaneously to appear revealing, through setting up feed mechanism 11, under the drive action of feed motor 1102, feed motor 1102's output shaft drives feeding impeller 1103 and rotates, thereby feed impeller 1103's rotation will drop into the orderly and even inside of advancing hot-blast furnace main part 1 of the burning material of feed box groove 1101 and burn, thereby be convenient for make the material burning more abundant, make the chemical energy of material obtain abundant release.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dust type hot-blast furnace, includes hot-blast furnace main part (1), its characterized in that: an installation notch (2) is formed in the upper end of the hot blast stove main body (1), a dust removal mechanism (3) is arranged inside the installation notch (2), air converging pipes (4) are arranged at four corners of the hot blast stove main body (1), a U-shaped air collecting pipe (5) is fixedly connected between the two air converging pipes (4) on the same side, a communicating pipe (6) is fixedly connected between the two U-shaped air collecting pipes (5), and an air supply pipe (7) is fixedly connected to the upper end of the communicating pipe (6);

the dust removing mechanism (3) comprises a lower dust removing screen plate (301), a middle dust removing screen plate (302), an upper dust removing screen plate (307), a first side connecting plate (303), a second side connecting plate (304), a carrying plate (305) and a handle (306), wherein the upper dust removing screen plate (307), the middle dust removing screen plate (302) and the lower dust removing screen plate (301) are sequentially arranged between the first side connecting plate (303) and the second side connecting plate (304) from top to bottom, the carrying plate (305) penetrates through the lower dust removing screen plate (301), the middle dust removing screen plate (302) and the upper dust removing screen plate (307) and is connected with the lower dust removing screen plate (301), the middle dust removing screen plate (302) and the upper dust removing screen plate (307), and the handle (306) is arranged on the left side surface of the first side connecting plate (303);

the lower dust removal screen plate (301) is a carbon steel plate provided with a plurality of honeycomb holes, the middle dust removal screen plate (302) is a stainless steel screen plate formed by polymerization of a plurality of layers of stainless steel meshes arranged in a staggered mode, and the upper dust removal screen plate (307) is an activated carbon screen plate.

2. The dust-removing hot blast stove according to claim 1, characterized in that: the right side surface four corners of second side connecting plate (304) is provided with joint post (8), joint hole (9) have been seted up to the inside right side surface correspondence of installation notch (2).

3. The dust-removing hot blast stove according to claim 1, characterized in that: the left side surface of the first side connecting plate (303) is provided with a fastening end block (10), and the fastening end block (10) is fixedly connected with the hot blast stove main body (1) through bolts.

4. The dust-removing hot blast stove according to claim 1, characterized in that: the external portion of hot-blast furnace main part (1) is provided with feed mechanism (11), feed mechanism (11) are including feed box groove (1101), feeding motor (1102), feeding impeller (1103) and motor support (1104), feed box groove (1101) fixed connection is in the external portion of hot-blast furnace main part (1), the junction of feed box groove (1101) and hot-blast furnace main part (1) has throws material port (1105), motor support (1104) set up the outside in feed box groove (1101), feeding motor (1102) sets up the top at motor support (1104), the output shaft and the feeding impeller (1103) fixed connection of feeding motor (1102).

5. The dust-removing hot blast stove according to claim 1, characterized in that: the lower extreme of hot-blast furnace main part (1) is equipped with plant ash and collects mouth (12), the inside detachable of plant ash collection mouth (12) installs plant ash and collects fill (13).

6. A dust-removing hot blast stove according to claim 5, characterised in that: a handle assembly (14) is arranged outside the plant ash collecting hopper (13).

7. The dust-removing hot blast stove according to claim 1, characterized in that: roller assemblies (15) are symmetrically arranged on two sides of the hot blast stove main body (1).