CN107655321B - Device and method for removing slag at outlet of rotary kiln by pushing projectile body by strong electromagnetic force - Google Patents
Device and method for removing slag at outlet of rotary kiln by pushing projectile body by strong electromagnetic force Download PDFInfo
- Publication number
- CN107655321B CN107655321B CN201711089444.7A CN201711089444A CN107655321B CN 107655321 B CN107655321 B CN 107655321B CN 201711089444 A CN201711089444 A CN 201711089444A CN 107655321 B CN107655321 B CN 107655321B
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- gun barrel
- projectile body
- rotary kiln
- outlet
- power supply
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- 239000002893 slag Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2075—Removing incrustations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
Abstract
The invention provides a device and a method for pushing a projectile body to remove slag at an outlet of a rotary kiln by strong electromagnetic force, wherein the device comprises a gun barrel, a magnetic emission power supply, a carrier vehicle, a gun barrel angle adjusting device and the projectile body; the gun barrel, the magnetic emission power supply and the gun barrel angle adjusting device are mounted on the carrier vehicle, the gun barrel angle adjusting device is erected at the bottom of the gun barrel, two symmetrically arranged guide rails in the gun barrel are communicated with the magnetic emission power supply, and when the projectile body is mounted in the gun barrel, two sides of the projectile body are in sliding connection with the two symmetrically arranged guide rails in the gun barrel. The invention uses strong electromagnetic force to push the projectile body to strike the rotary kiln outlet to form slag, and can safely and efficiently remove the slag at the rotary kiln outlet. In the slag removal process, the internal environment quality of the rotary kiln is not influenced, a certain distance is reserved from the outlet of the rotary kiln, the dangerous factors and heavy manual labor caused by manual slag removal of workers in a high-temperature environment are avoided, and the influence of high temperature near the outlet of the rotary kiln on equipment is avoided.
Description
Technical Field
The invention relates to an electromagnetic mechanical device, in particular to a device and a method for pushing a projectile body to remove slag at an outlet of a rotary kiln by strong electromagnetic force.
Background
The rotary kiln is one of the main devices for producing pellets. The problem of slag formation near the outlet of the rotary kiln is always a great difficulty in actual production. Therefore, the removal of slag near the outlet of the rotary kiln has great influence on the safety production and the economic benefit. Currently, methods exist for removing the slag near the outlet of the rotary kiln, such as moving a burning belt to burn the slag off; manually deslagging; quenching method; mechanical scrapers, and the like. The above methods may damage equipment and the high temperatures may also present a hazard to personnel. See the relevant literature, patent publication (bulletin) No.: CN102654359a, entitled "high pressure hot air cutting device for removing slag from the outlet of rotary kiln", discloses a device for removing slag from rotary kiln; patent publication (bulletin) No.: CN202547427U entitled "a pneumatic tool for removing sintered rings of rotary kiln" also discloses a device for removing slag from rotary kiln. However, both of these methods require feeding a part of the apparatus into the rotary kiln, and require high material requirements for the apparatus.
Disclosure of Invention
The invention aims to provide a device and a method for removing slag at the outlet of a rotary kiln by pushing a projectile body by strong electromagnetic force, which can safely and efficiently remove the slag at the outlet of the rotary kiln.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the device comprises a gun barrel, a magnetic emission power supply, a carrier vehicle, a gun barrel angle adjusting device and a projectile body; the gun barrel, the magnetic emission power supply and the gun barrel angle adjusting device are mounted on the carrier vehicle, the gun barrel angle adjusting device is erected at the bottom of the gun barrel, two symmetrically arranged guide rails in the gun barrel are communicated with the magnetic emission power supply, and when the projectile body is mounted in the gun barrel, two sides of the projectile body are in sliding connection with the two symmetrically arranged guide rails in the gun barrel.
The gun barrel comprises a metal protection sleeve, an insulating layer arranged inside the metal protection sleeve, and a left guide rail and a right guide rail which are symmetrically arranged in the insulating layer, wherein the metal protection sleeve is of a square tube structure, and a bullet loading bin is further arranged on the gun barrel.
The magnetic emission power supply comprises a pulse power supply, a pulse power supply base and a generator, wherein the generator charges the pulse power supply, and the pulse power supply base is arranged at the end part of the gun barrel to conduct a left guide rail and a right guide rail in the gun barrel with the pulse power supply.
The distance between the left guide rail and the right guide rail is 50-100mm.
The carrier vehicle comprises a vehicle bottom plate, wheels and brake pads, wherein the wheels are arranged at the lower end of the vehicle bottom plate through wheel brackets, and the brake pads are arranged on the wheels.
The projectile body is a concave-shaped metal conductor, and the end part of the concave-shaped projectile body is provided with a tip protrusion.
The gun barrel angle adjusting device comprises a gun barrel angle adjusting rotating wheel, a worm gear box and a pipe body supporting rod, wherein the gun barrel is connected to the upper end of the pipe body supporting rod, and is driven to move up and down through the worm gear box, and the gun barrel angle adjusting rotating wheel is in transmission connection with the worm gear box.
Pushing the device to the outlet of the rotary kiln, loading the projectile bodies into a bullet cabin, and tightly covering the bullet cabin cover; the wheels are locked through the brake block, the gun barrel angle adjusting rotary wheel is rotated to adjust the height of the barrel supporting rod, so that the elevation angle of the gun barrel is adjusted, and the gun barrel is aligned to the slagging position in the rotary kiln; at this time, the generator is used as a power supply to prepare the pulse power supply for early charging, the emission switch is pressed after the charging is finished, the current passes through the left guide rail, the projectile body and the right guide rail to form a loop, strong electromagnetic force is instantaneously generated in the pipe, the magnetic field interacts with the current flowing through the projectile body to instantaneously generate strong ampere force to act on the projectile body, the projectile body is accelerated in the pipe and then is driven into the rotary kiln, the projectile body is used for beating the slagging part to drop off, the rotary kiln body continuously rotates slowly when in operation, and has a certain inclination angle, and the projectile body is discharged out of the rotary kiln along with slagging matters.
The instantaneous slope current intensity of the pulse power supply output is 0.5-1mA.
Compared with the prior art, the invention has the beneficial effects that:
compared with the prior art, the invention has the remarkable beneficial effects that: the device can adopt a strong electromagnetic force to push the projectile body to remove the slag at the outlet of the rotary kiln when the rotary kiln works, and effectively remove the slag. In the slag removal process, the internal environment quality of the rotary kiln is not influenced, a certain distance is reserved from the outlet of the rotary kiln, the dangerous factors and heavy manual labor caused by manual slag removal of workers in a high-temperature environment are avoided, and the influence of high temperature near the outlet of the rotary kiln on equipment is avoided.
Compared with the technology of the electromagnetic track gun, the invention is most obviously embodied in the design of the projectile body, the projectile body of the electromagnetic track gun is approximately in a conical head and cylinder structure, and a fighter part (namely an explosion device) is arranged in the projectile body, so that the electromagnetic track gun is not suitable for slag removal on the inner wall of the rotary kiln. Because the explosion of the projectile body can damage the kiln body of the rotary kiln, if a fighter part is not installed, a circular hole can be penetrated only at the slag bonding part, slag bonding can not fall off, and the effect of slag removal can not be achieved. Through theoretical analysis and experiments, the designed elastomer is shown in fig. 5, the maximum cross section is in a cuboid shape, four right angles are arranged, and the structure is just the structure, after the elastomer impacts the rotary kiln to form slag, the structural force balance in the slag is destroyed, and the slag is separated, so that the purpose of slag removal is achieved. The current intensity emitted by the slag removing device is far smaller than the current intensity required by the emission of an electromagnetic track gun in the military field. The cost of each emission is low and the device is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of a device for removing slag from the outlet of a rotary kiln by pushing a projectile body by strong electromagnetic force.
FIG. 2 is a schematic cross-sectional view of a gun barrel and projectile body portion of a device for removing slag from the exit of a rotary kiln with a strong electromagnetic force to push the projectile body.
Fig. 3 is a schematic cross-sectional view of the muzzle taken along the direction a in fig. 1.
FIG. 4 is a block diagram illustrating the operation of the apparatus and method for removing slag from the exit of a rotary kiln by pushing the projectile body with a strong electromagnetic force according to the present invention.
FIG. 5 is a three-dimensional schematic of an elastomer.
Fig. 6 is a schematic diagram of electromagnetic emissions in the present invention.
In the figure: 1. a metal protective sleeve; 2. loading a magazine cover; 3. loading a magazine; 4. a pulse power supply; 5. a pulse power supply base; 6. a generator; 7. a control panel; 8. a charging switch; 9. a transmitting switch; 10. a wheel locking system connecting rod; 11. a brake pad; 12. a track; 13. a generator stand; 14. a wheel; 15. a wheel support; 16. a pulse power supply base bracket; 17. a gun barrel angle adjusting rotating wheel; 18. a worm wheel and worm box; 19. a vehicle bottom plate; 20. a pipe body supporting rod; 21. a shell body; 22. a right guide rail; 23. a left guide rail; 24. an insulating layer.
I-current; b-magnetic field; f-electromagnetic force; u-pulse power supply.
Detailed Description
The present invention will be described in detail below with reference to the drawings, but it should be noted that the practice of the present invention is not limited to the following embodiments.
1-5, a device for pushing a projectile body to remove slag at an outlet of a rotary kiln by strong electromagnetic force comprises a gun barrel, a magnetic emission power supply, a carrier vehicle, a gun barrel angle adjusting device and the projectile body 21; the gun barrel, the magnetic emission power supply and the gun barrel angle adjusting device are mounted on the carrier vehicle, the gun barrel angle adjusting device is erected at the bottom of the gun barrel, two symmetrically arranged guide rails in the gun barrel are communicated with the magnetic emission power supply, and when the projectile body 21 is mounted in the gun barrel, two sides of the projectile body 21 are in sliding connection with the two symmetrically arranged guide rails in the gun barrel.
The gun barrel comprises a metal protective sleeve 1, an insulating layer 24 arranged in the metal protective sleeve 1, a left guide rail 23 and a right guide rail 22 symmetrically arranged in the insulating layer 24, wherein the metal protective sleeve 1 is of a square tube structure, and a loading bin 3 is further arranged on the gun barrel.
The loading bin 3 is arranged at the root of the gun barrel, the upper end face is provided with a loading opening and a loading bin cover 2, and the projectile body 21 enters the loading bin 3 through the loading opening.
The magnetic force emission power supply comprises a pulse power supply 4, a pulse power supply base 5 and a generator 6, wherein the generator 6 charges the pulse power supply 4 and provides a power source required by the emission of a projectile body 21, and the pulse power supply base 5 is arranged at the end part of the gun barrel to conduct a left guide rail 23 and a right guide rail 22 in the gun barrel with the pulse power supply 4. The generator 6 is fixed to a generator base 13, and the generator base 13 is fixed to a vehicle floor 19. The pulse power supply 4 is fixed on the pulse power supply base 5.
The distance between the left guide rail 23 and the right guide rail 22 is 50-100mm. The total thickness of the insulating layer 24 and the metal protective cover 1 is 10-20mm.
The length L of the projectile body 21 is 50-100mm, the height A of the projectile body 21 is 50-80mm, the thickness B of the projectile body 21 is 60-100mm, the elevation angle of the pipe body is 0-30 degrees when the pipe is in operation, and the length of the pipe body is 1000-2000mm.
The carrier vehicle comprises a vehicle bottom plate 19, wheels 14 and brake pads 11, wherein the wheels 14 are arranged at the lower end of the vehicle bottom plate 19 through wheel brackets 15, and the brake pads 11 are arranged on the wheels 14.
The carrier vehicle walks on the track 12, and is also provided with a wheel locking system, and a wheel locking system connecting rod 10 is connected with a brake block 11 and is used for locking wheels 14 and positioning the carrier vehicle.
The projectile body 21 is a metal conductor in a shape of a Chinese character 'Fu', and the end part of the Chinese character 'Fu' projectile body is provided with a tip protrusion.
The gun barrel angle adjusting device comprises a gun barrel angle adjusting rotating wheel 17, a worm gear box 18 and a pipe body supporting rod 20, wherein the gun barrel is connected to the upper end of the pipe body supporting rod 20, the gun barrel is driven to move up and down through the worm gear box 18, and the gun barrel angle adjusting rotating wheel 17 is in transmission connection with the worm gear box 18.
The lower extreme and the pulse power base 5 fixed connection of barrel, pulse power base 5 pass through pulse power base support 16 and articulate on car bottom plate 19, and the upper end of pipe shaft bracing piece 20 supports the barrel, and the lower extreme is connected with worm in worm gear case 18, and barrel angle adjustment runner 17 hub connection worm gear shaft in worm gear case 18. The gun barrel angle adjusting rotary wheel 17 is rocked to adjust the height of the barrel supporting rod 20, so that the aim of adjusting the elevation angle of the gun barrel is fulfilled.
A control panel 7 is also arranged on the carrier vehicle, and a charging switch 8 and a transmitting switch 9 are arranged on the control panel 7. The control system of the present invention employs existing control techniques to control the charging of the pulsed power supply 4 and the firing of the projectile 21.
Pushing the device to the outlet of the rotary kiln, loading the projectile bodies 21 into the bullet loading bin 3, and tightly covering the bullet loading bin cover 2; the wheels 14 are locked through the brake block 11, the gun barrel angle adjusting rotary wheel 17 is rotated to adjust the height of the barrel supporting rod 20, so that the elevation angle of the gun barrel is adjusted, and the gun barrel is aligned to the slagging position in the rotary kiln; at this time, the pulse power supply 4 is used as a power supply to prepare for early charging, after the charging is finished, the emission switch 9 is pressed down, the current passes through the left guide rail 23, the projectile body 21 and the right guide rail 22 to form a loop, strong electromagnetic force is instantaneously generated in the tube, the magnetic field interacts with the current flowing through the projectile body 21 to instantaneously generate strong ampere force to act on the projectile body 21, the projectile body 21 is accelerated in the tube and then is driven into the rotary kiln, the slag forming part is hit by the projectile body 21, the slag forming part is fallen off, the rotary kiln body continuously rotates slowly when working, and has a certain inclination angle, and the projectile body 21 is discharged out of the rotary kiln together with slag forming matters. The principle of electromagnetic emission is shown in fig. 6, in which the left rail 23, the right rail 22 and the projectile 21 are also armatures.
The pulse power supply 4 outputs an instantaneous ramp current with an intensity of 0.5-1mA.
Claims (8)
1. The device for pushing the projectile body to remove the slag at the outlet of the rotary kiln by strong electromagnetic force is characterized by comprising a gun barrel, a magnetic emission power supply, a carrier vehicle, a gun barrel angle adjusting device and the projectile body; the gun barrel, the magnetic emission power supply and the gun barrel angle adjusting device are arranged on the carrier vehicle, the gun barrel angle adjusting device is erected at the bottom of the gun barrel, two symmetrically arranged guide rails in the gun barrel are communicated with the magnetic emission power supply, and when a projectile body is arranged in the gun barrel, two sides of the projectile body are in sliding connection with the two symmetrically arranged guide rails in the gun barrel;
the projectile body is a concave-shaped metal conductor, the end part of the concave-shaped projectile body is provided with a tip protrusion, the maximum cross section of the projectile body is in a cuboid shape, and four right angles are formed.
2. The device for removing slag from the outlet of a rotary kiln by pushing a projectile body by strong electromagnetic force according to claim 1, wherein the gun barrel comprises a metal protecting sleeve, an insulating layer arranged in the metal protecting sleeve, and a left guide rail and a right guide rail symmetrically arranged in the insulating layer, the metal protecting sleeve is of a square tube structure, and a bullet loading bin is further arranged on the gun barrel.
3. The device for removing slag from the outlet of a rotary kiln by pushing a projectile body with strong electromagnetic force according to claim 1, wherein the magnetic force emission power source comprises a pulse power source, a pulse power source base and a generator, the generator charges the pulse power source, and the pulse power source base is arranged at the end part of the gun barrel to conduct a left guide rail and a right guide rail in the gun barrel with the pulse power source.
4. A device for removing slag from the exit of a rotary kiln by pushing a projectile body with strong electromagnetic force as claimed in claim 3, wherein the distance between the left guide rail and the right guide rail is 50-100mm.
5. The device for removing slag from the outlet of a rotary kiln by pushing a projectile body with strong electromagnetic force according to claim 1, wherein the carrier vehicle comprises a vehicle bottom plate, wheels and brake pads, wherein the wheels are arranged at the lower end of the vehicle bottom plate through wheel brackets, and the brake pads are arranged on the wheels.
6. The device for pushing the projectile body to remove the slag at the outlet of the rotary kiln by using the strong electromagnetic force according to claim 1, wherein the gun barrel angle adjusting device comprises a gun barrel angle adjusting rotating wheel, a worm gear box and a pipe body supporting rod, the upper end of the pipe body supporting rod is connected with a gun barrel, the gun barrel is driven to move up and down by the worm gear box, and the gun barrel angle adjusting rotating wheel is in transmission connection with the worm gear box.
7. A method for removing slag from the outlet of a rotary kiln by using the device for removing slag from the outlet of the rotary kiln by pushing the projectile body with strong electromagnetic force according to claim 1, wherein the device is pushed to the outlet of the rotary kiln, the projectile body is loaded into a bullet cabin, and a bullet cabin cover is tightly covered; the wheels are locked through the brake block, the gun barrel angle adjusting rotary wheel is rotated to adjust the height of the barrel supporting rod, so that the elevation angle of the gun barrel is adjusted, and the gun barrel is aligned to the slagging position in the rotary kiln; at this time, the generator is used as a power supply to prepare the pulse power supply for early charging, the emission switch is pressed after the charging is finished, the current passes through the left guide rail, the projectile body and the right guide rail to form a loop, strong electromagnetic force is instantaneously generated in the pipe, the magnetic field interacts with the current flowing through the projectile body, strong ampere force is instantaneously generated and acts on the projectile body, the projectile body accelerates in the pipe and is then driven into the rotary kiln, the projectile body is used for beating the slagging part to enable the slagging part to fall off, the rotary kiln body continuously rotates slowly when in operation, and has a certain inclination angle, and the projectile body is discharged out of the rotary kiln along with slagging matters.
8. The method for removing slag from the outlet of a rotary kiln according to claim 7, wherein the output instantaneous ramp current of the pulsed power supply is 0.5-1mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089444.7A CN107655321B (en) | 2017-11-08 | 2017-11-08 | Device and method for removing slag at outlet of rotary kiln by pushing projectile body by strong electromagnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089444.7A CN107655321B (en) | 2017-11-08 | 2017-11-08 | Device and method for removing slag at outlet of rotary kiln by pushing projectile body by strong electromagnetic force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107655321A CN107655321A (en) | 2018-02-02 |
| CN107655321B true CN107655321B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711089444.7A Active CN107655321B (en) | 2017-11-08 | 2017-11-08 | Device and method for removing slag at outlet of rotary kiln by pushing projectile body by strong electromagnetic force |
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| Country | Link |
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| CN (1) | CN107655321B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225591A (en) * | 2018-10-19 | 2019-01-18 | 长兴撒哈拉新材料有限公司 | A kind of feeding device for vertical raw material chopper |
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2017
- 2017-11-08 CN CN201711089444.7A patent/CN107655321B/en active Active
Patent Citations (10)
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|---|---|---|---|---|
| CN101922720A (en) * | 2010-05-21 | 2010-12-22 | 南京理工大学 | Hearth soot blower |
| CN102661685A (en) * | 2012-04-17 | 2012-09-12 | 张景军 | Interception preventing missile |
| KR20140020133A (en) * | 2012-08-08 | 2014-02-18 | 하상순 | Percussion device for removing the slag of welding bead |
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| CN107655321A (en) | 2018-02-02 |
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