CN215585808U - Dry-method purifying and dedusting device for blast furnace - Google Patents
Dry-method purifying and dedusting device for blast furnace Download PDFInfo
- Publication number
- CN215585808U CN215585808U CN202121977515.9U CN202121977515U CN215585808U CN 215585808 U CN215585808 U CN 215585808U CN 202121977515 U CN202121977515 U CN 202121977515U CN 215585808 U CN215585808 U CN 215585808U
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- Prior art keywords
- dust
- blast furnace
- dust removal
- rotating shaft
- sieve plate
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 120
- 238000000746 purification Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000005108 dry cleaning Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 20
- 238000001914 filtration Methods 0.000 abstract description 17
- 239000013618 particulate matter Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
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- Blast Furnaces (AREA)
Abstract
The utility model belongs to the technical field of blast furnace dust removal, in particular to a blast furnace dry purification and dust removal device, which aims at the problems of poor dust removal effect and inconvenient discharge of sundries after dust removal when blast furnace gas is subjected to dry dust removal treatment; according to the utility model, the rotating shaft a drives the helical blade, the rotating blade and the rotating sleeve to synchronously rotate under the driving of the driving motor, at the moment, part of smoke dust enters the plurality of filter plates under the action of the sieve plate a, and the plurality of filter plates synchronously rotate along with the rotating sleeve, so that the smoke dust is more uniform when passing through the sieve plate a, the filtering and dust removing effects of the filter plates on the smoke dust are improved, the filter plates are used for filtering and removing dust again, the smoke dust subjected to multiple filtering reaches the next procedure through the air outlet pipe to be subjected to fine dust removing treatment, and the smoke dust removing effect on the iron-making blast furnace is improved.
Description
Technical Field
The utility model relates to the technical field of blast furnace dust removal, in particular to a dry-method purifying and dust removing device for a blast furnace.
Background
The main products of blast furnace smelting are pig iron, and the byproducts of blast furnace slag and blast furnace gas are also produced, and the produced gas is discharged from the top of the furnace, and is used as fuel for hot blast furnaces, heating furnaces, coke ovens, boilers and the like after dust removal.
At present, blast furnace gas generated by blast furnace iron making is subjected to primary dust removal treatment by a gravity dust remover, then is conveyed to a dry dust removal cylinder for secondary treatment by a guide pipe, and is subjected to fine dust removal and then is utilized.
Therefore, a blast furnace dry-method purification and dust removal device is needed to solve the problems of poor dust removal effect and inconvenient discharging of impurities after dust removal during the dry-method dust removal treatment of blast furnace gas.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blast furnace dry purification and dust removal device, which solves the problems of poor dust removal effect and inconvenience in discharging of dust-removed impurities during dry dust removal treatment of blast furnace gas.
In order to achieve the purpose, the utility model adopts the following technical scheme: the dry purifying and dedusting device for blast furnace includes one dedusting barrel and one dedusting barrel
The air inlet pipe is communicated with the bottom of one side of the dust removing cylinder, a sieve plate a is fixed on the inner wall of the dust removing cylinder, two sieve plates b which are both fixed with the inner wall of the dust removing cylinder are arranged above the sieve plate a, and an air outlet pipe communicated with the dust removing cylinder is arranged between the two sieve plates b;
the discharge tube, the discharge tube with the bottom intercommunication of dust removal cylinder, the bottom inner wall of discharge tube is fixed with the installation piece, it is connected with pivot an, two to rotate between the sieve b that installation piece and lie in the top be provided with the rotation cover that cup joints with pivot an surface fastening between the sieve b, the fixed surface that rotates the cover has a plurality of filter plates that are evenly distributed, pivot an's bottom mounting has bevel gear an, the bottom intercommunication of discharge tube has the reposition of redundant personnel case, a lateral wall of reposition of redundant personnel case rotates and is connected with pivot b, pivot b's one end is fixed with bevel gear b, bevel gear a with bevel gear b meshes mutually, install the driving motor with pivot b coaxial coupling on one side of reposition of redundant personnel case, be provided with the subassembly of unloading in the reposition of redundant personnel case.
Preferably, the discharging assembly comprises
The spiral blade is tightly sleeved on the outer surface of the rotating shaft a and is in contact with the inner wall of the discharge pipe;
the reposition of redundant personnel cover, the reposition of redundant personnel cover with the bottom surface of installation piece is fixed, a plurality of splitter boxes that are evenly distributed are seted up to the surface of reposition of redundant personnel cover, the below of reposition of redundant personnel cover be provided with the water conservancy diversion frame of reposition of redundant personnel incasement bottom surface intercommunication.
Preferably, the bottom of the dust removing cylinder is funnel-shaped, and the top end of the spiral blade extends to the inside of the dust removing cylinder.
Preferably, the outer surface of the shunting cover is in an arc surface arrangement, the bevel gear a and the bevel gear b are both positioned on one side of the shunting cover, and the shunting grooves are obliquely distributed on the outer surface of the shunting cover.
Preferably, the flow guide frame and the bottom surface of the flow distribution box are distributed in a downward inclined mode, and the flow guide frame is located below the inclined portion of the flow distribution groove.
Preferably, a rotating blade fastened and sleeved with the rotating shaft a is arranged below the sieve plate a, and the top surface of the rotating blade is in contact with the bottom surface of the sieve plate a.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the rotating shaft a drives the helical blade, the rotating blade and the rotating sleeve to synchronously rotate under the driving of the driving motor, at the moment, part of smoke dust enters the plurality of filter plates under the action of the sieve plate a, and the plurality of filter plates synchronously rotate along with the rotating sleeve, so that the smoke dust is more uniform when passing through the sieve plate a, the filtering and dust removing effects of the filter plates on the smoke dust are improved, the filter plates are used for filtering and removing dust again, the smoke dust subjected to multiple filtering reaches the next procedure through the air outlet pipe to be subjected to fine dust removing treatment, and the smoke dust removing effect on the iron-making blast furnace is improved.
2. According to the utility model, the helical blades rotate synchronously along with the rotating shaft a, so that particulate matters in smoke dust are subjected to helical unloading treatment through the rotation of the helical blades, and the particulate matters in the smoke dust are subjected to dispersion treatment through the splitter box under the action of the splitter box in the splitter box, so that the particulate matters in the smoke dust are effectively prevented from accumulating in the guide frame for unloading treatment, and can be more dispersedly positioned in the collecting device, and the effect of dispersing and collecting the particulate matters in the smoke dust is improved.
3. According to the utility model, the rotating blades rotate along with the rotating shaft a, and the bottom surface of the sieve plate a is scraped back and forth through the rotating blades, so that the accumulation of smoke dust on the bottom surface of the sieve plate a is effectively avoided, and the filtering and dust removing effects on the sieve plate a are improved to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of a blast furnace dry-method purification and dust removal device provided by the utility model;
FIG. 2 is a schematic view of a partial structure of a discharging component of the dry cleaning and dust removing device for the blast furnace according to the present invention;
FIG. 3 is a schematic view of a partial structure at a filter plate of a dry-method purification and dust removal device for a blast furnace according to the present invention
FIG. 4 is a schematic view of a partial structure at a rotating shaft b of the dry-method purifying and dedusting device for a blast furnace according to the present invention
FIG. 5 is a schematic view of a partial structure of a rotary sleeve of the dry-method purifying and dedusting device for a blast furnace.
In the figure: 1. a dust removal cylinder; 2. an air inlet pipe; 3. a sieve plate a; 4. a sieve plate b; 5. an air outlet pipe; 6. a discharge pipe; 7. mounting blocks; 8. a rotating shaft a; 9. rotating the sleeve; 10. filtering the plate; 11. a bevel gear a; 12. a shunt box; 13. a rotating shaft b; 14. a bevel gear b; 15. a drive motor; 16. a discharge assembly; 161. a helical blade; 162. a flow dividing cover; 163. a shunt slot; 164. a flow guide frame; 17. the blades are rotated.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a blast furnace dry purification dust removal device comprises a dust removal cylinder 1, wherein the dust removal cylinder 1 further comprises an air inlet pipe 2, the air inlet pipe 2 is communicated with the bottom of one side of the dust removal cylinder 1, a sieve plate a3 is fixed on the inner wall of the dust removal cylinder 1, two sieve plates b4 which are both fixed with the inner wall of the dust removal cylinder 1 are installed above a sieve plate a3, and an air outlet pipe 5 communicated with the dust removal cylinder 1 is arranged between the two sieve plates b 4; the device comprises a discharge pipe 6, the discharge pipe 6 is communicated with the bottom of a dust removing cylinder 1, a mounting block 7 is fixed on the inner wall of the bottom of the discharge pipe 6, a rotating shaft a8 is rotatably connected between the mounting block 7 and a sieve plate b4 positioned at the top, a rotating sleeve 9 which is tightly sleeved with the outer surface of the rotating shaft a8 is arranged between the two sieve plates b4, a plurality of uniformly distributed filter plates 10 are fixed on the outer surface of the rotating sleeve 9, a bevel gear a11 is fixed at the bottom end of the rotating shaft a8, a diversion box 12 is communicated with the bottom end of the discharge pipe 6, a rotating shaft b13 is rotatably connected with the side wall of one side of the diversion box 12, a bevel gear b14 is fixed at one end of the rotating shaft b13, a bevel gear a11 is meshed with the bevel gear b14, a driving motor 15 which is coaxially connected with the rotating shaft b13 is installed at one side of the diversion box 12, a discharge assembly 16 is arranged in the diversion box 12, particularly, the other end of an air inlet pipe 2 is communicated with the top end of a gravity dust remover for preliminary dust removal treatment of flue gas generated in an iron-smelting furnace by the gravity dust removing furnace, concentrate again and get into dust removal cylinder 1 in and carry out dust removal processing once more, the smoke and dust gets into in dust removal cylinder 1, carry out first filtration edulcoration through sieve a3, enter into between sieve a3 and the sieve b4, a plurality of filters 10 rotate along with pivot a 8's rotation in step, thereby make more even distribution of smoke and dust adsorb the filtration edulcoration between a plurality of filters 10, and carry out filtration edulcoration once more through sieve b4, thereby make the smoke and dust through the outlet duct 5 after handling many times and carry out dust removal processing in arriving next meticulous dust collector, thereby effectively improve the dust removal purification effect to the blast furnace flue gas, the setting of subassembly 16 of unloading, make the particulate matter that filters through sieve a3 carry out abundant processing of unloading along with the subassembly 16 of unloading, thereby improve the transfer effect of particulate matter in its dust removal cylinder 1.
The discharging assembly 16 comprises a helical blade 161, the helical blade 161 is tightly sleeved on the outer surface of the rotating shaft a8, and the helical blade 161 is in contact with the inner wall of the discharging pipe 6; reposition of redundant personnel cover 162, reposition of redundant personnel cover 162 is fixed with the bottom surface of installation piece 7, a plurality of splitter box 163 that are evenly distributed are seted up to the surface of reposition of redundant personnel cover 162, the below of reposition of redundant personnel cover 162 is provided with the kuppe 164 with reposition of redundant personnel case 12 bottom surface intercommunication, rotation through helical blade 161, make the better processing of unloading from discharge tube 6 of particulate matter, and the effect through splitter box 163 of reposition of redundant personnel cover 162, make the entering kuppe 164 of particulate matter dispersion, thereby improve the effect of getting rid of particulate matter in the smoke and dust, and can prevent effectively that the particulate matter from piling up discharge tube 6.
The bottom of dust removal section of thick bamboo 1 is hourglass hopper-shaped, and helical blade 161's top extends to the inside of dust removal section of thick bamboo 1, and is concrete, the setting of dust removal section of thick bamboo 1 bottom shape, and the particulate matter of being convenient for filter the edulcoration through sieve a3 is better concentrated on the bottom of dust removal section of thick bamboo 1 and is unloaded the collection and handle.
The surface of reposition of redundant personnel cover 162 is the cambered surface setting, bevel gear a11 and bevel gear b14 all are located one side of reposition of redundant personnel cover 162, diverter groove 163 is the slope and distributes in the surface of reposition of redundant personnel cover 162, it is concrete, the setting of reposition of redundant personnel cover 162 shape, both can disperse the reposition of redundant personnel to the particulate matter in the smoke and dust, prevent that the particulate matter from piling up kuppe 164 and gathering somewhere at the collection device in the smoke and dust, thereby improve the collection effect of unloading to the particulate matter in the smoke and dust, and can carry out abundant isolated protection to bevel gear a11 and bevel gear b14, thereby improve pivot a8 and pivot b13 pivoted smoothness nature.
The bottom surfaces of the diversion frame 164 and the diversion box 12 are distributed in a downward inclined mode, the diversion frame 164 is located on the inclined lower side of the diversion groove 163, and specifically, the diversion frame 164 is distributed in an inclined mode, so that particulate matters in smoke dust shunted by the diversion groove 163 can better enter the diversion frame 164 to be dispersed and discharged, the particulate matters are prevented from accumulating at a certain position of a collecting device, and the collecting effect of the particulate matters in the smoke dust is improved to a certain degree.
The rotating blades 17 which are tightly sleeved with the rotating shaft a8 are arranged below the sieve plate a3, the top surfaces of the rotating blades 17 are in contact with the bottom surface of the sieve plate a3, specifically, the rotating blades 17 are arranged to rotate along with the rotating shaft a8, and the bottom surface of the sieve plate a3 is scraped in a reciprocating mode through the rotating blades 17, so that smoke dust is effectively prevented from accumulating on the bottom surface of the sieve plate a3, and the filtering and dust removing effects on the sieve plate a3 are improved to a certain extent.
The working principle is as follows: when the dust removal treatment is carried out on the iron-making blast furnace, the smoke dust is subjected to preliminary dust removal through the gravity dust remover, at the moment, part of the smoke dust enters the dust removal cylinder 1 through the air inlet pipe 2 and is driven by the driving motor 15, so that the rotating shaft b13 and the bevel gear b14 synchronously rotate, and at the moment, through the meshing transmission action of the bevel gear a11, so that the rotating shaft a8 drives the helical blades 161, the rotating blades 17 and the rotating sleeve 9 to synchronously rotate, at the moment, part of the smoke dust enters the plurality of filter plates 10 under the action of the sieve plate a3, the plurality of filter plates 10 synchronously rotate along with the rotating sleeve 9, so that the smoke dust is more uniform when passing through the sieve plate a3, thereby improving the dust filtering and removing effect of the filter plate 10 on the smoke dust, and performing secondary filtering and dust removing through the sieve plate b4, the dust subjected to multiple filtration reaches the next procedure through the air outlet pipe 5 for fine dust removal treatment, so that the dust removal effect on the flue gas of the iron-making blast furnace is improved; when the smoke dust is subjected to multiple filtration, the spiral blade 161 synchronously rotates along with the rotating shaft a8, so that the particulate matters in the smoke dust are subjected to spiral unloading treatment through the rotation of the spiral blade 161, and are subjected to dispersion treatment through the diversion groove 163 in the diversion cover 162 under the action of the diversion groove 163, the particulate matters in the smoke dust are effectively prevented from being accumulated in the diversion frame 164 to be unloaded, the particulate matters in the smoke dust can be positioned in the collecting device in a more dispersed manner, and the dispersion and collection effects on the particulate matters in the smoke dust are improved; when the rotating blades 17 rotate along with the rotating shaft a8, the bottom surface of the sieve plate a3 is scraped in a reciprocating manner by the rotating blades 17, so that the accumulation of smoke dust on the bottom surface of the sieve plate a3 is effectively avoided, and the filtering and dust removing effects on the sieve plate a3 are improved to a certain extent.
The driving motor 15 is commercially available, the driving motor 15 is provided with a power supply, and the gravity dust collector is an existing mechanism, belongs to the mature technology in the field and is fully disclosed, so repeated description is omitted in the specification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The blast furnace dry purification and dust removal device comprises a dust removal cylinder (1), and is characterized in that the dust removal cylinder (1) further comprises
The air inlet pipe (2) is communicated with the bottom of one side of the dust removing cylinder (1), a sieve plate a (3) is fixed on the inner wall of the dust removing cylinder (1), two sieve plates b (4) which are both fixed with the inner wall of the dust removing cylinder (1) are arranged above the sieve plate a (3), and an air outlet pipe (5) communicated with the dust removing cylinder (1) is arranged between the two sieve plates b (4);
the automatic dust removing device comprises a discharge pipe (6), the discharge pipe (6) is communicated with the bottom of a dust removing cylinder (1), an installation block (7) is fixed on the inner wall of the bottom of the discharge pipe (6), a rotating shaft a (8) is rotatably connected between the installation block (7) and a sieve plate b (4) positioned at the top, a rotating sleeve (9) which is tightly sleeved with the outer surface of the rotating shaft a (8) is arranged between the sieve plate b (4), a plurality of filter plates (10) which are uniformly distributed are fixed on the outer surface of the rotating sleeve (9), a bevel gear a (11) is fixed at the bottom end of the rotating shaft a (8), a flow distribution box (12) is communicated with the bottom end of the discharge pipe (6), a rotating shaft b (13) is rotatably connected with the side wall of one side of the flow distribution box (12), a bevel gear b (14) is fixed at one end of the rotating shaft b (13), and the bevel gear a (11) is meshed with the bevel gear b (14), and a driving motor (15) coaxially connected with the rotating shaft b (13) is installed on one side of the flow dividing box (12), and a discharging assembly (16) is arranged in the flow dividing box (12).
2. The blast furnace dry cleaning and dust removing device according to claim 1, wherein the discharging assembly (16) comprises
The spiral blade (161) is tightly sleeved on the outer surface of the rotating shaft a (8), and the spiral blade (161) is in contact with the inner wall of the discharge pipe (6);
reposition of redundant personnel cover (162), reposition of redundant personnel cover (162) with the bottom surface of installation piece (7) is fixed, a plurality of splitter boxes (163) that are evenly distributed are seted up to the surface of reposition of redundant personnel cover (162), the below of reposition of redundant personnel cover (162) be provided with water conservancy diversion frame (164) of reposition of redundant personnel case (12) bottom surface intercommunication.
3. The blast furnace dry cleaning and dedusting device according to claim 2, wherein the bottom of the dedusting cylinder (1) is funnel-shaped, and the top end of the helical blade (161) extends to the inside of the dedusting cylinder (1).
4. The blast furnace dry-method purification and dust removal device according to claim 2, wherein the outer surface of the diversion cover (162) is in an arc surface arrangement, the bevel gear a (11) and the bevel gear b (14) are both located at one side of the diversion cover (162), and the diversion chutes (163) are obliquely distributed on the outer surface of the diversion cover (162).
5. The blast furnace dry cleaning dust removal device according to claim 2, wherein the flow guide frame (164) and the bottom surface of the flow distribution box (12) are distributed in a downward inclined manner, and the flow guide frame (164) is located obliquely below the flow distribution groove (163).
6. The blast furnace dry purification and dust removal device according to claim 1, wherein a rotating blade (17) tightly sleeved with the rotating shaft a (8) is arranged below the sieve plate a (3), and the top surface of the rotating blade (17) is in contact with the bottom surface of the sieve plate a (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121977515.9U CN215585808U (en) | 2021-08-23 | 2021-08-23 | Dry-method purifying and dedusting device for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121977515.9U CN215585808U (en) | 2021-08-23 | 2021-08-23 | Dry-method purifying and dedusting device for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215585808U true CN215585808U (en) | 2022-01-21 |
Family
ID=79882227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121977515.9U Expired - Fee Related CN215585808U (en) | 2021-08-23 | 2021-08-23 | Dry-method purifying and dedusting device for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215585808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118788711A (en) * | 2024-09-12 | 2024-10-18 | 青岛西南渠耐火材料有限公司 | A dust removal system for a refractory brick production workshop and its use method |
| CN119713877A (en) * | 2025-02-26 | 2025-03-28 | 山西星火恒源工贸有限公司 | A rotary kiln flue gas waste heat recovery device that prevents smoke and dust particles from clogging |
-
2021
- 2021-08-23 CN CN202121977515.9U patent/CN215585808U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118788711A (en) * | 2024-09-12 | 2024-10-18 | 青岛西南渠耐火材料有限公司 | A dust removal system for a refractory brick production workshop and its use method |
| CN119713877A (en) * | 2025-02-26 | 2025-03-28 | 山西星火恒源工贸有限公司 | A rotary kiln flue gas waste heat recovery device that prevents smoke and dust particles from clogging |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |