KR20000073443A - Apparatus for separating oil from swarf - Google Patents

Abstract

PURPOSE: A swarf divider is provided to improve productivity, to avoid pollutants by inputting a good quality of a swarf in a steel manufacture factory and to reduce the consumption amount of polishing oil by smoothly collecting the oil. CONSTITUTION: A swarf(250) is inputted in an upper part of a swarf storage tub(10) from a swarf input hole(260). The oil of the swarf is divided through a filter by the weight of the oil. As a motor(40) of a scrapper(30) acts, plural scratching members(34) move the swarf to a rear part from a front part. The swarf is discharged in a standard capacity by a transfer wing of a guide plate and put on a belt of a belt conveyer. Then, the swarf is carried to a squeezing roll(45).

Description

Swapping separator device {APPARATUS FOR SEPARATING OIL FROM SWARF}

The present invention relates to an apparatus for separating oil from swarf generated after polishing a strip surface of a stainless steel cold rolling mill, and more particularly, to quickly separate oil to improve work productivity, and to provide a good quality swarf to a steel mill. The present invention relates to an improved swarf separator for preventing the generation of pollutants by being injected and reducing the consumption of abrasive oil by smoothly recovering oil.

In general, the stainless steel cold rolling mill of the steel mill polishes the surface of the strip, and after such a polishing process, a swarf made of Cr, Ni, abrasive stone, abrasive cloth, or the like is generated. Such swarf contains a large amount of abrasive oil. After the oil is removed from the swarf, the swarf is used as a subsidiary material of the steelmaking process, and the oil recovered from the swarf is used again for polishing.

The conventional method of recovering oil from such a swap is to first remove the oil by first operating the oil-containing swap using a centrifuge or the like, and then additionally using the swap separator box 200 as shown in FIG. 1. To remove the oil.

The conventional swarf separation box 200 is provided with a casing 210 of a rectangular shape, the filter 220 is mounted inside the casing 210, the lower side of the filter 220 of the casing 210 The lower surface forms the inclined surface 230. And, one side of the casing 210 has a configuration in which the oil return pipe 240 is mounted.

The swarf separation box 200 is placed on the upper portion of the filter 220 from the swarf inlet 260 to the upper side of the casing 210 to be placed for a long time. Therefore, as time passes, oil is discharged downward from the swarf 250, and the oil is recovered to the oil return pipe 240 along the inclined surface 230, and the oil-free swarf 250 is subsequently Transferred to the process.

However, the conventional swap separation box 200 as described above takes a lot of time to place the swarf 250 in the filter 220, a plurality of such swap separation box 200 is required, swap 250 The degree of separation of the oil is not exactly known, and the separation is also difficult due to the weight of the oil. Therefore, the swarf 250 in which oil is not completely removed is a major cause of generating pollutants due to oil in the steelmaking process.

In addition, since the oil is not properly recovered, the raw unit of the polishing oil is raised to increase the production cost.

The present invention is to solve the conventional problems as described above, the object of which is to produce a swap by quickly separating the oil to improve the work productivity, the generation of pollutants by introducing a good quality swap to the steel mill It is to provide an improved swarf separator to reduce the consumption of abrasive oil by smoothly recovering oil.

1 is a perspective view showing a swap separator according to the prior art;

Figure 2 is an exploded perspective view showing a swap separator according to the present invention;

3 is a cross-sectional view taken along the line A-A of FIG.

Figure 4 is a detailed view showing the squeegee roll portion provided in the swap separator of the present invention.

Explanation of symbols on the main parts of the drawings

10 ..... Swamp reservoir 12 ..... Filter

20 ..... Clean Oil Storage Tank 30 ..... Scraper

34 ..... Scratches 36 ..... Turning

40 ..... drive motor 45 ..... squeegee roll

50,70 ... Belt conveyor 54 ..... Feeding wing

68 ..... Flat bar 80,82 .... Cleaning wiper

84 ..... pneumatic cylinder 96 ..... swarf collector

250 ... Swarf

In order to achieve the above object, the present invention, in the device for separating the oil from the swarf generated after polishing the strip surface of the stainless cold rolling mill polishing line, receiving the swarf from the swarf inlet to separate the oil by the weight of the swap tank ; A swarf scraper for transferring the swarf backwards from the top of the swarf reservoir; A squeegee roll positioned behind the swap tank to pressurize and separate oil from the swap; And a swarf collection box containing a swarf from which oil has been removed from the rear side of the squeegee roll.

In addition, the present invention is to provide a swap separation device characterized in that the belt conveyor is mounted between the swarf reservoir and the squeegee roll, and between the squeegee roll and the swab collection box, respectively.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The swarf separating apparatus 1 according to the present invention relates to a device for quickly separating oil from a swarf generated after polishing a strip surface of a stainless cold rolling mill polishing line as shown in FIG. 2 as a whole.

The swarf separating apparatus 1 according to the present invention has a swarf reservoir 10 which receives the swarf 250 from the swarf inlet 260 and separates oil by its own weight. The swarf reservoir 10 has a rectangular hollow shape. It has a structure, the upper surface is open, the filter 12 is formed in the middle portion on the lower side, while the oil receiving space 14 is formed on the lower side of the filter 12. In addition, a clean oil storage tank 20 is integrally formed at one side of the swap reservoir 10, and a side filter 16 is positioned between the swap storage tank 10 and the clean oil storage tank 20. Therefore, the oil separated from the swarf 250 placed on the filter 12 by its own weight flows again through the filter 16 from the oil receiving space 14 to the clean oil storage tank 20 side, and the clean oil storage tank On one side of the oil recovery tube 22, the oil recovery motor 24 and the level detector 26 for detecting the oil level in the clean oil storage tank 20 to selectively operate the motor 24, etc. To be mounted.

In addition, the upper side of the swap reservoir (10) having a swap scraper (30) for transporting the swap 250 to the rear, the scraper 30 is a chain 32a (on the upper side of the swap reservoir (10) ( 32b) is rotated in an endless track to transfer the swap 250 from the front of the reservoir 10 to the rear, having a plurality of scraping members 34 hanging on the chain (32a, 32b). . In addition, the chains 32a and 32b are wound around the plurality of pairs of sprockets 38 rotatably mounted on the upper portion of the swap reservoir 10, and rotated on one side of the swap reservoir 10. The drive motor 40 which rotates any one of a pair is mounted.

Accordingly, the rotation of the drive motor 40 rotates the plurality of pairs of sprockets 38, the plurality of chains 32a and 32b, and the scratching members 34 suspended on the chains 32a and 32b. On the other hand, the scraping member 34 has a side edge connected to the plurality of chains (32a, 32b) has a straight structure, but a plurality of pointed projections 36 are formed on the opposite side of the chain (32a) If the scratching member 34 is located at the lower side of the chains 32a and 32b during the rotation of the 32b, the peaking portion 36 side of the swarf reservoir 10 is caused by the weight of the scratching member 34. The inner side of the swarf 250 contained in the inside is scraped and transported from the front side to the rear side. On the contrary, when the scratching members 34 are on the upper side of the chains 32a and 32b, the scratching member ( 34 is lifted into the air so that the upper portion of the swab reservoir 10 passes from the rear to the front. Therefore, this operation can be repeated to scrape and transport the swarf 250 in the swarf reservoir 10 from the front side to the rear side.

On the other hand, the squeegee roll 45 which is located at the rear of the swarf reservoir 10 to pressurize and separate oil from the swarf 250, the squeegee roll 45 is the rear of the swarf reservoir 10 Although it may be disposed adjacent to the side, as shown in Figure 4 can be configured by placing the belt conveyor 50 between the swap reservoir 10 and the squeegee roll (45).

The belt conveyor 50 is equipped with a swarf transfer blade 54 having a + -shaped cross section in the width direction of the guide plate 52 on an inclined guide plate 52 on the rear side of the swarf reservoir 10, and the transfer blade 54. A drive motor 56 for rotating the motor is provided. Therefore, the operation of the motor 56 may rotate the transfer blade 54 at a constant speed to quantitatively cut out the swarf 250 introduced into the guide plate 52. Then, the belt 58 of the belt conveyor 50 is adjacent to the rear side of the transfer blade 54, the outer surface of the belt 58 is a plurality of square projections in the transverse direction in order to prevent slipping of the swarf 250 To form (58a).

The belt 58 as described above extends the space between the guide plate 52 and the squeegee roll 45, and the driving roller 62 and the driven roller 64 are positioned on both sides thereof to surround them. The drive motor 66 is mounted on the rotation shaft of the drive roller 62. Accordingly, the operation of the drive motor 66 rotates the belt 58 in an endless track while rotating the drive roller 62 and rotating the belt 58 and the driven roller 64 from the guide plate 52. The swarf 250 is guided to the squeegee roll (45).

On the other hand, in the middle portion of the belt conveyor 50, the flat bar 68 for regulating the height of the swap 250 placed on the belt is mounted in the transverse direction. The flat bar 68 is fixed while maintaining a constant height from the belt 58. When the swarf 250 placed on the belt 58 passes the lower side of the flat bar 68, the height h is constant. To be regulated.

In addition, although the pair of squeegee roll 45 is shown above, the present invention is not limited thereto, and a plurality of such squeezing roll 45 pairs may be positioned successively. Each of the squeegee rolls 45 has a circular cross section, one of which acts as a driving roll 47a and the other as a driven roll 47b. Therefore, when the swarf 250 is introduced between the driving roll 47a and the driven roll 47b rotated by the driving motor 49, the swarf 250 passes between the rotating rolls 47a and 47b. The oil component in the swap is squeezed out, and only the dried swap 250 in which oil is removed by the pressing force is discharged to the rear side of the squeegee roll 45.

Meanwhile, cleaning wipers 80 and 82 are installed on the driving roll 47a and the driven roll 47b of the squeegee roll 45 to remove the swarf attached to the surface thereof. The 47b is equipped with a fixed sweep wiper 80 extending in the longitudinal direction of the driven roll 47b, and its tip is brought into contact with the driven roll 47b to be attached to its surface during rotation of the driven roll 47b. The swarf 250 is scraped off. In addition, the sweep wiper 82 for scraping and removing the swarf 250 of the drive roll 47a is moved forward and backward by the pneumatic cylinder 84 to be in contact with the drive roll 47a. The center of the cleaning wiper 82 is mounted on the rod 84a of the fixed pneumatic cylinder 84, and the plurality of guide members 88 are penetrated by the guides 89 of the frame 86, thereby providing the pneumatic pressure. When the cylinder 84 is operated and the rod 84a is pulled out to the driving roll 47a side, the cleaning wiper 82 is in contact with the surface of the driving roll 47a to remove the swap 250 on the surface, and the driving In order to remove the sweep wiper 82 from the roll 47a, the drive roll 47a and the sweep wiper 82 can be separated by reversing the rod 84a of the pneumatic cylinder 84.

On the other hand, the oil dropping from the swarf 250 during the movement to the guide plate 52, the belt conveyor 50 and the squeegee roll 45 is collected in the position to the swarf reservoir 10 and the squeegee roll 45 To the oil collection plate 90 is mounted in an inclined state, one side is configured to be connected to the clean oil reservoir 20 through the filter 92. Therefore, all of the oil separated from the swarf 250 while being moved from the swab reservoir 10 to the squeegee roll 45, in particular, a large amount separated from the squeegee roll 45 can be collected and recycled smoothly.

In addition, the wake side of the squeegee roll 45 is provided with a swab collection box 96 containing the swarf 250 from which the oil is removed, which may be disposed adjacent to the rear side of the squeegee roll 45, but the squeegee roll It may be positioned between the belt 45 and the swarf collection box 96 via a belt conveyor 70. The belt conveyor 70 has a low level on the side of the squeegeeing roll 45 and a high level on the side of the swab collecting box 96. The configuration of the belt conveyor 70 includes drive rollers 98a and driven rollers 98b. A drive motor 100 for rotating 98a is provided, and a belt 102 is mounted in an endless track between the drive roller 98a and the driven roller 98b.

Therefore, when the dried swarf 250 discharged from the squeegee roll 45 falls onto the belt 102 of the belt conveyor 70, it is transferred from the squeegee roll 45 side to the swarf collection box 96 side. Will be. Therefore, when the swarf 250 dried in the swab collection box 96 is accumulated in a certain amount, the worker transfers the collection box 96 to the next process.

In addition, the swap separator 1 of the present invention smoothly turns on and off the motors 24, 40, 49, 56, 66, 100, and pneumatic cylinders 84 which are power sources of the respective components. It is provided with a controller 110 for controlling the operation to achieve the operation by a preset sequence. The controller 110 may achieve smooth operation as a whole by driving the motors on and off according to a predetermined timing and a predetermined program.

When the swarf separation device 1 of the present invention configured as described above is inserted into the upper side of the swarf storage tank 10 from the swarf inlet 260, the swarf 250 is replaced by the swarf storage tank by the weight of oil ( The oil is separated through the filter 12 provided in the middle of 10). In addition, such a swarf 250 is a plurality of scraping members 34 to move the swarf 250 in the swarf reservoir 10 from the front to the rear as the motor 40 of the scraper 30 is operated, the swarf reservoir The swarf 250 moved to the rear of the 10 is placed on the belt 58 of the belt conveyor 50 while being quantitatively discharged by the transfer blade 54 of the guide plate 52, and toward the squeegee roll 45. Being transported.

On the squeegeeing roll 45 side, oil is separated from the swarf 250 by the rotation of the driving roll 47a and the driven roll 47b, and the separated oil is removed from the oil collecting plate 90 on the lower side. By the clean oil storage tank 20. Then, the swarf 250 from which oil is removed by passing through the squeegee roll 45 is scraped by the sweeping wipers 80 and 82 in a dried state, so that the belt conveyor 70 of the rear side of the squeegee roll 45 is removed. The belt conveyor 70 is transferred to the warp collecting box 96 by the operation of the belt conveyor 70.

In this process, the swap 250 can be maintained in a dry state quickly because the oil is effectively separated.

As described above, according to the present invention, the oil is first separated from the swarf 250 by its own weight, and the oil is quickly separated and dried by separating the oil in a pressurized manner using the squeegee roll 45. The production of the swarf 250 to improve the work productivity, it is possible to put the swarf 250 of good quality into the steel mill to prevent the generation of pollutants, the oil remaining in the swarf 250 almost completely By recovering, an improved effect can be obtained to reduce the consumption of abrasive oil.

Claims (5)

In the device for separating the oil from the swarf 250 generated after polishing the strip surface of the stainless cold rolling mill polishing line, receiving the swarf 250 from the swarf inlet 260 to separate the oil by its own weight swap tank 10 ; A swarf scraper (30) for transferring the swarf (250) rearward from the upper portion of the swarf reservoir (10); A squeegeeing roll 45 positioned behind the swap reservoir 10 to pressurize and separate oil from the swarf 250; And a swab collection box (96) containing a swarf (250) from which oil is removed from the rear side of the squeegee roll (45). According to claim 1, the belt conveyor (10) and the squeegee roll 45, and between the squeegee roll 45 and the swab collection box 96, the belt conveyor (50, 70) is mounted respectively Swarf separator. 2. The scraper (30) according to claim 1, wherein the scraper (30) has a plurality of scraping members (34) suspended from the chains (32a) and (32b), wherein the chains (32a) and (32b) are rotatable at the top of the swap reservoir (10). It is wound around a plurality of pairs of sprockets (38) mounted so as to rotate, one side of the swap reservoir (10) is equipped with a drive motor 40 for rotating any one of the pair of sprockets (38), the scratching member The side edges 34 connected to the plurality of chains 32a and 32b form a straight line structure, and the opposite edges form a plurality of pointed protrusions 36 to scratch during rotation of the chains 32a and 32b. When the member 34 is located on the lower side of the chains 32a and 32b, the pointed projection 36 is directed toward the inside of the swarf reservoir 10 by the weight of the scraping member 34. It is configured to scrape and transport the contained swarf 250 from the front to the rear side Swapping separator. The swarf transfer blade 54 having a + -shaped cross section is mounted on the inclined guide plate 52 at the rear side of the swarf reservoir 10 in the width direction of the guide plate 52. As the drive motor 56 is provided to rotate the motor 56, the operation of the motor 56 rotates the transfer blade 54 at a constant speed so as to quantitatively cut out the swap 250 introduced into the guide plate 52. Swarf separator, characterized in that configured. The swab according to claim 1, wherein cleaning wipers (80) (82) are mounted on the driving roll (47a) and the driven roll (47b) side of the squeegee roll (45) to remove the swap attached to the surface. Separator.