CN101433920B - Dust cleaning apparatus for cleaning magnesia powder dust on band steel - Google Patents
Dust cleaning apparatus for cleaning magnesia powder dust on band steel Download PDFInfo
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- CN101433920B CN101433920B CN2008102368008A CN200810236800A CN101433920B CN 101433920 B CN101433920 B CN 101433920B CN 2008102368008 A CN2008102368008 A CN 2008102368008A CN 200810236800 A CN200810236800 A CN 200810236800A CN 101433920 B CN101433920 B CN 101433920B
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- guide plate
- air knife
- purges
- band steel
- band
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Abstract
The invention belongs to the technical field of production of cold-rolling oriented silicon steel and relates to a dust removal device for removing magnesia powder on strip steel, which is characterized in that the dust removal device comprises a shell, a first sweeping air knife, an upper aspirator, an upper passing guide plate, a lower passing guide plate, a lower aspirator, a second sweeping air knife, a third sweeping air knife and a fourth sweeping air knife, wherein the first sweeping air knife, the second sweeping air knife, the third sweeping air knife and the fourth sweeping air knife are fixed inside a cavity of the shell; both the first sweeping air knife and the fourth sweeping air knife are positioned on the outlet side of the strip steel; an air nozzle of the first sweeping air knife passes through the upper passing guide plate and is opposite to the movement direction of the strip steel; an air nozzle of the fourth sweeping air knife passes through the lower passing guide plate and is opposite to the movement direction of the strip steel; both the second sweeping air knife and the third sweeping air knife are positioned on the inlet side of the strip steel; an air nozzle of the second sweeping air knife passes through the upper passing guide plate and follows the movement direction of the strip steel; and an air nozzle of the third sweeping air knife passes through the lower passing guide plate and follows the movement direction of the strip steel. The dust removal device has the characteristic of good dust removal effect.
Description
Technical field
The invention belongs to the cold-rolled orientation silicon steel production technical field, be specifically related to a kind of dust arrester that is used to remove magnesia powder dust on the band steel, be used for the cold-rolled orientation silicon steel production line, the removal of magnesium oxide coating.
Background technology
During cold-rolled orientation silicon steel was produced, the band steel needed to apply magnesium oxide coating before advancing annular furnace, prevent to be with the steel adhesion.After going out annular furnace, magnesium oxide powder can hang down from steel plate in the subsequent handling, is deposited on and causes equipment damage on the production equipment, and pollute workshop condition, the infringement workers ' health.Originally utilized the way dedusting of blower fan exhausting, but because the adhesion of magnesia powder dust is strong, poor effect.
Summary of the invention
The object of the present invention is to provide a kind of dust arrester that is used to remove magnesia powder dust on the band steel of good dedusting effect.
To achieve these goals, technical scheme of the present invention is: be used to remove the dust arrester of magnesia powder dust on the band steel, it is characterized in that: it comprise housing, first purge air knife, go up draught hood, on wear the band guide plate, down wear the band guide plate, draught hood, second purges air knife, the 3rd and purges air knife, the 4th and purge air knife down; In the housing is cavity, and the upper end of housing, lower end all have suction opeing, fixedlys connected with the lower end of last draught hood in the upper end of housing, fixedlys connected with the upper end of following draught hood in the lower end of housing; The front and back sides of housing has eyelet, on wear the band guide plate, wear the band guide plate down and penetrate from the eyelet of the trailing flank of housing respectively, eyelet from the leading flank of housing passes then, on wear the band guide plate and be positioned at the top of band steel by line, wear the band guide plate down and be positioned at the below of band steel by line, on wear the band guide plate, wear the band guide plate down and fixedly connected with housing respectively, on wear the band guide plate, wear band down and all have through hole on the guide plate;
Be fixed with first in the cavity of housing and purge air knife, the second purging air knife, the 3rd purging air knife, the 4th purging air knife; First purges air knife, the 4th purges air knife and all is positioned at band steel exports side, and the first sweep gas cutter spacing is in the top of band steel by line, and the 4th sweep gas cutter spacing is in the below of band steel by line; First air nozzle that purges air knife passes the band guide plate, facing to the direction of motion of band steel; The 4th air nozzle that purges air knife passes down wears the band guide plate, facing to the direction of motion of band steel; Second purges air knife, the 3rd purges air knife and all is positioned at band steel entrance side, and the second sweep gas cutter spacing is in the top of band steel by line, and the 3rd sweep gas cutter spacing is in the below of band steel by line; Second air nozzle that purges air knife passes the band guide plate, along the direction of motion of band steel; The 3rd air nozzle that purges air knife passes down wears the band guide plate, along the direction of motion of band steel.
The invention has the beneficial effects as follows: first purges air knife, the 4th purges air knife feeding compressed air, first air nozzle that purges air knife, the 4th purging air knife is met to band steel approach axis band steel plate face is purged, make the strong magnesia powder dust of adhesion break away from band steel plate face, the magnesia powder dust that blows afloat passes the band guide plate, wears the through hole of being with guide plate down, takes away through last draught hood, following draught hood.Compared with prior art, good dedusting effect.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the cutaway view (amplification) of Fig. 1 along the A-A line;
Fig. 4 is the cutaway view of Fig. 3 along the B-B line;
Fig. 5 is a stereogram of the present invention;
Number in the figure: 1-the 4th tracheae, the 2-housing, 3-first purges air knife, the last draught hood of 4-, the last suction opeing of 5-, 6-band steel is worn the band guide plate by line on the 7-, and 8-is with steel exports, wear the band guide plate under the 9-, draught hood under the 10-, suction opeing under the 11-, 12-the 3rd tracheae, the 13-observation window, 14-second purges air knife, and 15-the 3rd purges air knife, the 16-air nozzle, 17-the 4th purges air knife, the last jet guide plate of 18-, jet guide plate under the 19-, 20-bolt hole, 21-through hole.
Arrow among Fig. 3 is represented the direction of motion with steel.The left side among Fig. 1 is a left side, and the right is right.After the left side among Fig. 3 is, before the right is.
The specific embodiment
Further describe the present invention below in conjunction with accompanying drawing:
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 5, be used to remove the dust arrester of magnesia powder dust on the band steel, it comprise housing 2, first purge air knife 3, go up draught hood 4, on wear band guide plate 7, down wear band guide plate 9, draught hood 10, second purges air knife the 14, the 3rd and purges air knife the 15, the 4th and purge air knife 17 down; In the housing 2 is cavity, and the upper end of housing 2, lower end all have suction opeing, and the upper end of housing 2 is fixedly connected with the lower end of last draught hood 4 (to be connected or to weld as bolt; Wind pumping channle in the last draught hood is linked to each other with the cavity of housing 2 by the suction opeing of housing 2), the upper end of last draught hood 4 (upper end is last suction opeing 5) is linked to each other with air exhauster by pipeline, and the lower end of housing 2 is fixedly connected with the upper end of following draught hood 10 (to be connected or to weld as bolt; Wind pumping channle in the following draught hood links to each other with the cavity of housing 2), the lower end of following draught hood 10 (suction opeing 11 under being) linked to each other with air exhauster by pipeline; The front and back sides of housing 2 has eyelet, on wear band guide plate 7, wear band guide plate 9 down and penetrate from the eyelet of the trailing flank of housing 2 respectively, eyelet from the leading flank of housing 2 passes then, on wear band guide plate 7 and be positioned at the top of band steel by line 6, wear band guide plate 9 down and be positioned at the below of band steel by line 6, on wear band guide plate 7, wear band guide plate 92 fixedly connected with housing respectively (is connected or weld) down as bolt, on wear band guide plate 7, wear and all have through hole 21 (wind and magnesia powder dust pass through this through hole arrival draught hood) on the band guide plate 9 down; On wear band guide plate 7, down wear band guide plate 9 all each free 3 guide plate form;
Be fixed with first in the cavity of housing 2 and purge air knife 3, the second purging air knife 14, the 3rd purging air knife 15, the 4th purging air knife 17; First purges air knife the 3, the 4th purges air knife 17 and all is positioned at band steel exports side, and first purge air knife 3 and be positioned at the top of band steel by line 6, and the 4th purges air knife 17 is positioned at the below of band steel by line 6; First air nozzle that purges air knife 3 passes band guide plate 7, facing to the direction of motion (meeting to band steel approach axis, promptly facing to band steel entrance side) of band steel; The 4th air nozzle that purges air knife 17 passes down wears band guide plate 9, facing to the direction of motion (meeting to band steel approach axis) of band steel; Second purges air knife the 14, the 3rd purges air knife 15 and all is positioned at band steel entrance side, and second purge air knife 14 and be positioned at the top of band steel by line 6, and the 3rd purges air knife 15 is positioned at the below of band steel by line 6; Second air nozzle that purges air knife 14 passes band guide plate 7, along the direction of motion (promptly towards band steel exports side) of band steel; The 3rd air nozzle that purges air knife 15 passes down wears band guide plate 9, along the direction of motion of band steel.
First purges air knife 3 is linked to each other with the output of air compressor by first tracheae, second purges air knife 14 is linked to each other with the output of air compressor by second tracheae, the 3rd purges air knife 15 is linked to each other with the output of air compressor by the 3rd tracheae 12 (leading portion is a flexible pipe), and the 4th purges air knife 17 is linked to each other with the output of air compressor by the 4th tracheae 1; On first tracheae, second tracheae, the 3rd tracheae 12, the 4th tracheae 1 valve (valve is controlled respectively) is set all.The 3rd tracheae 12, the 4th tracheae 1 are fixed on the housing 2.
First center line and the band steel that purges the air nozzle of air knife 3 is 40 °-65 ° by the angle α between the line, and the 4th center line and the band steel that purges the air nozzle of air knife 17 is 40 °-65 ° by the angle between the line.
Second center line and the band steel that purges the air nozzle of air knife 14 is 40 °-65 ° by the angle β between the line, and the 3rd center line and the band steel that purges the air nozzle of air knife 15 is 40 °-65 ° by the angle between the line.
As shown in Figure 4, described second purges air knife 14 is made up of purging pipeline, air nozzle, purge the gas outlet that has strip on the pipeline, an end (being right-hand member) that purges pipeline is a blind end, purges the interface end of the other end (being left end) for being connected with second tracheae of pipeline; Air nozzle is by last jet guide plate 18, following jet guide plate 19, bolt is formed, go up jet guide plate 18, jet guide plate 19 is rectangle down, upward jet guide plate 18 is fixedlyed connected (as welding) along the gas outlet top edge layout that purges the strip on the pipelines and with the purging pipeline, following jet guide plate 19 is fixedlyed connected (as welding) along the gas outlet lower limb layout that purges the strip on the pipelines and with the purging pipeline, go up jet guide plate 18 and form jet channel between the jet guide plate 19 down, go up jet guide plate 18, be equipped with bolt hole 20 on the jet guide plate 19 down and (among Fig. 4 be 14, concrete number can be determined as required), go up jet guide plate 18 and fixedly connected by bolt passing through bolt hole 20 with following jet guide plate 19.
First structure and second that purges air knife 3 purges the structure identical (but the first jet amount that purges air knife 3 is greater than the jet amount of the second purging air knife 14) of air knife 14.
As shown in Figure 4, the described the 3rd purges air knife 15 is made up of purging pipeline, air nozzle, purges the gas outlet that has strip on the pipeline, and the two ends (end promptly) that purge pipeline are blind end, the middle part that purges pipeline is provided with intake interface, and intake interface is connected with an end of the 3rd tracheae 12; Air nozzle is by last jet guide plate, following jet guide plate, bolt is formed, go up jet guide plate, jet guide plate is rectangle down, going up jet guide plate fixedlys connected (as welding) along the gas outlet top edge layout that purges the strip on the pipeline and with the purging pipeline, jet guide plate is fixedlyed connected (as welding) along the gas outlet lower limb layout that purges the strip on the pipeline and with the purging pipeline down, go up jet guide plate and form jet channel between the jet guide plate down, go up jet guide plate, be equipped with bolt hole (among Fig. 4 being 14) on the jet guide plate down, go up jet guide plate and fixedly connected by bolt passing through bolt hole with following jet guide plate.
The structure that the 4th structure and the 3rd that purges air knife 17 purges air knife 15 is identical.The structure of the air nozzle of the first purging air knife 3, the second purging air knife 14, the 3rd purging air knife 15, the 4th purging air knife 17 is identical.The left surface of housing 2 is provided with observation window 13.On wear the band guide plate 7, down wear the band guide plate 9 front end between for the band steel exports 8.
The course of work: on wear band guide plate 7, the effect of wearing band guide plate 9 down is to guarantee to take the lead and can pass smoothly, the band steel from wear band guide plate 7 with under wear to be with between the guide plate 9 and pass.First purges air knife the 3, the 4th purges air knife 17 feeding compressed air, first air nozzle that purges air knife 3, the 4th purging air knife 17 is met to band steel approach axis band steel plate face is purged, the magnesia powder dust that blows afloat passes band guide plate 7, wears the through hole (opening) of being with guide plate 9 down, through last draught hood, following draught hood suction deduster (by the air exhauster exhausting).Second purges air knife the 14, the 3rd purges air knife 15 feeding compressed air, and second air nozzle that purges air knife 14, the 3rd purging air knife 15 forms air curtain along band steel approach axis, and air curtain prevents to purge air-flow and goes out housing.
Claims (8)
1. be used to remove the dust arrester of magnesia powder dust on the band steel, it is characterized in that: it comprise housing (2), first purge air knife (3), go up draught hood (4), on wear band guide plate (7), down wear band guide plate (9), draught hood (10), second purges air knife (14), the 3rd and purges air knife (15), the 4th and purge air knife (17) down; In the housing (2) is cavity, and upper end, the lower end of housing (2) all have suction opeing, fixedlys connected with the lower end of last draught hood (4) in the upper end of housing (2), fixedlys connected with the upper end of following draught hood (10) in the lower end of housing (2); The front and back sides of housing (2) has eyelet, on wear band guide plate (7), wear band guide plate (9) down and penetrate from the eyelet of the trailing flank of housing (2) respectively, eyelet from the leading flank of housing (2) passes then, on wear band guide plate (7) and be positioned at the top of band steel by line (6), wear band guide plate (9) down and be positioned at the below of band steel by line (6), on wear band guide plate (7), wear band guide plate (9) down and fixedly connected with housing (2) respectively, on wear band guide plate (7), wear on band guide plate (9) and all have through hole (21) down;
Be fixed with first in the cavity of housing (2) and purge air knife (3), the second purging air knife (14), the 3rd purging air knife (15), the 4th purging air knife (17); First purges air knife (3), the 4th purges air knife (17) and all is positioned at band steel exports side, and first purge air knife (3) and be positioned at the top of band steel by line (6), and the 4th purges air knife (17) is positioned at the below of band steel by line (6); First air nozzle that purges air knife (3) passes band guide plate (7), facing to the direction of motion of band steel; The 4th air nozzle that purges air knife (17) passes down wears band guide plate (9), facing to the direction of motion of band steel; Second purges air knife (14), the 3rd purges air knife (15) and all is positioned at band steel entrance side, and second purge air knife (14) and be positioned at the top of band steel by line (6), and the 3rd purges air knife (15) is positioned at the below of band steel by line (6); Second air nozzle that purges air knife (14) passes band guide plate (7), along the direction of motion of band steel; The 3rd air nozzle that purges air knife (15) passes down wears band guide plate (9), along the direction of motion of band steel.
2. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1, it is characterized in that: first purges air knife (3) is linked to each other with the output of air compressor by first tracheae, second purges air knife (14) is linked to each other with the output of air compressor by second tracheae, the 3rd purges air knife (15) is linked to each other with the output of air compressor by the 3rd tracheae (12), and the 4th purges air knife (17) is linked to each other with the output of air compressor by the 4th tracheae (1); First tracheae, second tracheae, the 3rd tracheae (12), the 4th tracheae all are provided with valve on (1).
3. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1, it is characterized in that: first center line and the band steel that purges the air nozzle of air knife (3) is 40 °-65 ° by the angle α between the line, and the 4th center line and the band steel that purges the air nozzle of air knife (17) is 40 °-65 ° by the angle between the line.
4. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1, it is characterized in that: second center line and the band steel that purges the air nozzle of air knife (14) is 40 °-65 ° by the angle β between the line, and the 3rd center line and the band steel that purges the air nozzle of air knife (15) is 40 °-65 ° by the angle between the line.
5. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1, it is characterized in that: described second purges air knife (14) is made up of purging pipeline, air nozzle, purge the gas outlet that has strip on the pipeline, an end that purges pipeline is a blind end, and the other end that purges pipeline is the interface end that is connected with second tracheae; Air nozzle is by last jet guide plate (18), following jet guide plate (19), bolt is formed, go up jet guide plate (18), jet guide plate (19) is rectangle down, going up jet guide plate (18) fixedlys connected along the gas outlet top edge layout that purges the strip on the pipeline and with the purging pipeline, jet guide plate (19) is fixedlyed connected along the gas outlet lower limb layout that purges the strip on the pipeline and with the purging pipeline down, go up jet guide plate (18) and form jet channel between the jet guide plate (19) down, go up jet guide plate (18), be equipped with bolt hole (20) on the jet guide plate (19) down, go up jet guide plate (18) and fixedly connected by bolt passing through bolt hole (20) between the jet guide plate (19) down.
6. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1 is characterized in that: the structure that first structure and second that purges air knife (3) purges air knife (14) is identical.
7. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1, it is characterized in that: the described the 3rd purges air knife (15) is made up of purging pipeline, air nozzle, purge the gas outlet that has strip on the pipeline, the two ends that purge pipeline are blind end, the middle part that purges pipeline is provided with intake interface, and intake interface is connected with an end of the 3rd tracheae (12); Air nozzle is made up of last jet guide plate, following jet guide plate, bolt, upward jet guide plate, following jet guide plate are rectangle, going up jet guide plate fixedlys connected along the gas outlet top edge layout that purges the strip on the pipeline and with the purging pipeline, jet guide plate is fixedlyed connected along the gas outlet lower limb layout that purges the strip on the pipeline and with the purging pipeline down, go up jet guide plate and form jet channel between the jet guide plate down, go up jet guide plate, be equipped with bolt hole on the jet guide plate down, go up jet guide plate and fixedly connected by bolt passing through bolt hole between the jet guide plate down.
8. the dust arrester that is used to remove magnesia powder dust on the band steel according to claim 1 is characterized in that: the structure that the 4th structure and the 3rd that purges air knife (17) purges air knife (15) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102368008A CN101433920B (en) | 2008-12-12 | 2008-12-12 | Dust cleaning apparatus for cleaning magnesia powder dust on band steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102368008A CN101433920B (en) | 2008-12-12 | 2008-12-12 | Dust cleaning apparatus for cleaning magnesia powder dust on band steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101433920A CN101433920A (en) | 2009-05-20 |
| CN101433920B true CN101433920B (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102368008A Expired - Fee Related CN101433920B (en) | 2008-12-12 | 2008-12-12 | Dust cleaning apparatus for cleaning magnesia powder dust on band steel |
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| Country | Link |
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| CN (1) | CN101433920B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103128828A (en) * | 2011-12-03 | 2013-06-05 | 苏州豪特景精密机械有限公司 | Floor production device |
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| DE102009029341A1 (en) * | 2009-09-10 | 2011-03-24 | Voith Patent Gmbh | cleaning device |
| CN101791617B (en) * | 2009-12-23 | 2012-12-19 | 中冶南方工程技术有限公司 | Method for removing magnesium oxide dust in oriented silicon steel production |
| CN102671973B (en) * | 2012-05-04 | 2015-01-28 | 中冶南方工程技术有限公司 | Active flow field controllable type dry leveling dust cleaning device |
| CN103691702A (en) * | 2012-09-27 | 2014-04-02 | 西安亮丽仪器仪表有限责任公司 | Automatic dust removing device and dust removing method for electric energy meter |
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2008
- 2008-12-12 CN CN2008102368008A patent/CN101433920B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128828A (en) * | 2011-12-03 | 2013-06-05 | 苏州豪特景精密机械有限公司 | Floor production device |
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| Publication number | Publication date |
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| CN101433920A (en) | 2009-05-20 |
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