KR102111749B1 - Iron scrap compression with fluid discahrge means - Google Patents

Abstract

One aspect of the present invention provides a scrap metal compressor equipped with a fluid discharge means implemented to actively discharge high heat generated during a compression process of scrap metal. The present invention relates to the scrap metal compressor equipped with the fluid discharge means, which comprises: a lower main body forming a space for loading the scrap metal; a first compressor installed at an upper part of one side of the lower main body and applying pressure to the scrap metal loaded in the lower main body; and an upper main body which is installed at the upper part of the first compressor, and opens and closes the upper front surface of the lower main body.

Description

Scrap iron compressor with fluid discharge means {IRON SCRAP COMPRESSION WITH FLUID DISCAHRGE MEANS}

The present invention relates to a scrap metal compressor equipped with a fluid discharge means, and more particularly, to a scrap metal compressor equipped with a discharge means implemented to effectively compress scrap metal by removing gas and liquid in the process of compressing scrap metal. will be.

Among the commonly used scrap metal compressors, the scrap metal compressor that compresses finely divided pieces of scrap into a single lump, loads scrap pieces, and compresses them closely from top to bottom to make a space close to the airtight, and then primarily from side to side. Pressure is applied to create a compressed scrap of a cuboid.

And, it can be compressed again by applying pressure secondarily from another direction to produce compressed scrap that is close to a cube.

However, the conventional scrap metal compressor has almost a closed space for compression, and thus, in addition to scrap metal, compression efficiency is reduced due to air, and there is a shortage in handling harmful gases and liquids generated in the compression process.

On the other hand, the above-mentioned background technology is the technical information acquired by the inventor for the derivation of the present invention or acquired in the derivation process of the present invention, and is not necessarily a known technology disclosed to the general public before filing the present invention. .

Korean Registered Patent No. 10-1401672 Korean Registered Utility Model No. 20-1999-0014537

One aspect of the present invention to smoothly discharge the gas that degrades the compression efficiency while compressing with scrap metal in the process of compressing scrap metal, and discharge the fluid implemented to actively discharge the high heat generated during the compression process of scrap metal Provided is a scrap metal compressor equipped with means.

In addition, it is equipped with a fluid discharge means that implements a structure to automatically discharge the liquid introduced into the scrap metal compressor without a separate treatment process, and to filter out fine scrap pieces mixed with the discharged liquid to reduce scrap metal to be discarded. Provided is a scrap metal compressor.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

Scrap metal compressor is provided with a fluid discharge means according to an embodiment of the present invention, the lower body forming a space for loading scrap metal pieces; A first compressor installed on an upper side of one side of the lower body and applying pressure to a piece of scrap metal loaded on the lower body; And an upper body installed on the first compressor and opening and closing an upper front surface of the lower body.

In one embodiment, the upper body comprises an upper support plate for compressing scrap metal pieces loaded on the lower body from top to bottom; A white paper fixing one edge of the upper support plate; A first hydraulic cylinder that rotates the upper support plate on a rotating shaft of the white paper; And at least one clamp formed on an opposite edge of the white paper and fixing the upper support plate, which has been rotated.

In one embodiment, the upper support plate may compress the scrap metal loaded on the lower body while rotating the white paper by the first hydraulic cylinder as a rotating shaft.

In one embodiment, the first compressor comprises a first mill plate in contact with scrap metal loaded on the lower body; And a second hydraulic cylinder that moves the first mill plate.

In one embodiment, after the upper support plate is rotated, the first mill plate may be moved in the direction of the first support plate by the second hydraulic cylinder to compress the scrap metal pieces when fixed by the clamp.

In one embodiment, the lower body is a first support plate formed in a vertical direction on the opposite side of the first compressor; A second support plate formed in a vertical direction on one side between the first compressor and the first support plate; A third support plate formed in a vertical direction on an opposite side of the second support plate; And a lower support plate located on the bottom surface of the lower body.

In one embodiment, the inner surface of the first support plate supports the first compressor to compress the scrap metal pieces, and the outer surface of the first support plate clamps at least one or more clamps to secure the upper body. A groove can be provided.

In one embodiment, the second support plate supports to load scrap metal pieces, and the second support plate may further include a second compressor at the bottom of the first support plate.

In one embodiment, the second compressor includes a second mill plate in contact with scrap metal compressed by the first compressor; And a third hydraulic cylinder moving the second mill plate to compress the scrap metal compressed by the first compressor.

In one embodiment, the third support plate is a compressed scrap discharge portion located in front of the second compressor; And at least one gas outlet formed at a predetermined height from the lower support plate.

In one embodiment, the compressed scrap discharge unit is closed so that the second compressor can compress the scrap metal pieces, and when the scrap metal pieces are compressed by the second compressor, the compressed scrap metal pieces are opened to be discharged to the outside. Can be.

In one embodiment, the gas discharge unit, at least one gas discharge pipe passing through the third support plate, and discharges the compressed gas generated in the process of compressing scrap metal to the outside; A gas moving pipe connected to the gas discharge pipe from the outside of the third support plate; And a gas suction fan located on one side of the gas moving tube.

In one embodiment, the gas moving tube includes: a first air pressure measuring sensor for measuring air pressure inside the gas moving tube; And a second air pressure measurement sensor for measuring air pressure outside the gas moving tube.

In one embodiment, the gas suction fan discharges the gas inside the gas moving tube to the outside so that the air pressure value measured by the first air pressure measurement sensor has a value lower than the air pressure value measured by the second air pressure measurement sensor. Can be.

In one embodiment, the lower support plate may include a liquid discharge portion for discharging liquid flowing out from scrap metal and liquid introduced from the outside.

In one embodiment, the liquid discharge portion is a liquid collecting groove formed in a lattice form on top of the lower support plate; And a vertical discharge pipe positioned at a point where the grids intersect and discharges the liquid collected by the liquid collecting grooves under the lower support plate.

In one embodiment, a scrap metal compressor having a fluid discharge means according to another embodiment of the present invention may include at least one outlet for discharging compressed gas to the upper support plate.

In one embodiment, a scrap metal compressor having a fluid discharging means according to another embodiment of the present invention includes a liquid moving part for discharging liquid discharged through the vertical discharge pipe from the lower end of the lower support plate; And a collection container for collecting the liquid drained by the liquid moving part.

In one embodiment, the liquid moving part may be a horizontal discharge pipe connecting the vertical discharge pipe.

In one embodiment, the liquid moving part may be a V-shaped panel in which two panels are formed with a lower center than both edges.

In one embodiment, the collection container may further include a strainer to filter scraps of scrap from the liquid drained by the liquid moving part.

In one embodiment, the second mill plate may further include a first uneven portion.

In one embodiment, the compressed scrap discharge portion may further include a second uneven portion.

According to one aspect of the present invention described above, in the process of compressing scrap metal pieces, the gas is compressed with the scrap metal pieces to smoothly discharge the gas that degrades the compression efficiency, and the effect of actively discharging high heat generated during the compression process of scrap metal Can provide.

In addition, the liquid introduced into the scrap metal compressor can be automatically discharged without a separate treatment process, and it is possible to provide an effect of reducing scrap scrap that is discarded by filtering out fine scrap pieces mixed with the discharged liquid.

The effects of the present invention are not limited to the above-mentioned effects, and various effects may be included within a range obvious to a person skilled in the art from the following description.

1 is a view showing a schematic configuration of a scrap metal compressor equipped with a fluid discharge means according to an embodiment of the present invention.
2 is a view showing the configuration of the first compressor.
3 is a view showing the configuration of the first support plate and the configuration of the second support plate.
4 to 6 are views showing the configuration of the gas discharge portion.
7 is a view showing the configuration of the gas outlet of the upper support plate.
8 is a view showing the configuration of the liquid discharge portion of the lower support plate.
9 and 10 are views showing the configuration of the liquid moving portion and the collection container.
It is a figure which shows the 1st uneven part of a 2nd mill plate.
It is a figure which shows the 2nd uneven | corrugated part of a compressed scrap metal discharge part.

For a detailed description of the present invention, which will be described later, reference is made to the accompanying drawings that illustrate, by way of example, specific embodiments in which the invention may be practiced. These examples are described in detail enough to enable those skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, the specific shapes, structures, and properties described herein can be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. In addition, it should be understood that the location or placement of individual components within each disclosed embodiment can be changed without departing from the spirit and scope of the invention. Therefore, the following detailed description is not intended to be taken in a limiting sense, and the scope of the present invention, if appropriately described, is limited only by the appended claims, along with all ranges equivalent to those claimed. In the drawings, similar reference numerals refer to the same or similar functions throughout several aspects.

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

1 is a view showing a schematic configuration of a scrap metal compressor equipped with a fluid discharge means according to an embodiment of the present invention.

Referring to FIG. 1, a scrap metal compressor equipped with a fluid discharge means according to an embodiment of the present invention includes a lower body 1000, a first compressor 2000, and an upper body 3000.

The lower body 1000 may form a space for loading scrap metal pieces.

The first compressor 2000 is installed on the upper side of one side of the lower body 1000 and may apply pressure to the scrap metal pieces loaded on the lower body 1000.

The upper body 3000 is installed above the first compressor 2000 and can open and close the upper front of the lower body 1000.

Here, the upper body 3000 may have a form capable of closing the entire upper portion opened from the lower body 1000.

2 is a view showing the configuration of the first compressor.

Referring to FIG. 2, the upper body 3000 may include an upper support plate 3100, a white paper 3300, a first hydraulic cylinder 3200, and at least one clamp 3400.

The upper support plate 3100 may compress pieces of scrap metal loaded on the lower body 1000 from the top to the bottom.

The white paper 3300 may fix one edge of the upper support plate 3100, and one edge may be located on the first compressor 2000.

The first hydraulic cylinder 3200 may rotate the upper support plate 3100 with the white paper 3300 as a rotation axis.

The first hydraulic cylinder 3200 can move the upper body 3000 fixed by the white paper 3300 by moving the white paper 3300 on a rotation axis until the upper support plate 3100 covers the upper portion of the lower body 1000. have.

The clamp 3400 is formed at the corner opposite to the white paper 3300 and can fix the upper support plate 3100 whose rotation is completed.

When the upper support plate 3100 is rotated by the first hydraulic cylinder 3200 to cover the upper portion of the lower body 1000 without gaps, it is necessary to fix the upper support plate 3100 in preparation for an additional scrap metal compression process.

One side edge of the upper support plate 3100 is fixed by a white paper 3300, and the opposite edge may be fixed by being caught in the clamp groove 1110 of the first support plate 1100, where at least one clamp 3400 is described later. .

The upper support plate 3100 may compress the scrap metal loaded on the lower body while rotating the white paper 3300 by the first hydraulic cylinder 3200 as a rotation axis.

Compression by the upper support plate 3100 is a primary compression, and the scrap metal pieces can be compressed from the top to the bottom, that is, in the vertical direction.

The first compressor 2000 may include a first mill plate 2100 and a second hydraulic cylinder 2200.

The first mill plate 2100 may contact the first compressor 2000 with pieces of scrap metal loaded on the lower body 1000.

The second hydraulic cylinder 2200 may move the first mill plate 2100.

After the upper support plate 3100 is rotated, the first mill plate 2100 is moved by the second hydraulic cylinder 2200 toward the first support plate 1100, which will be described later, by the clamp 3400, thereby compressing scrap metal pieces. I can do it.

When the upper support plate 3100 rotates and compresses scrap metal in the vertical direction and is fixed by the clamp 3400, a space of a rectangular parallelepiped having a large upper surface and a lower surface between the upper body 3000 and the lower body 1000. It can be formed.

The first mill plate 2100 positioned below the upper support plate 3100 in the space of the rectangular parallelepiped with the upper and lower surfaces can be moved by the second hydraulic cylinder 2200 to press the scrap metal pieces, and the second hydraulic cylinder is Scrap metal may be pressed from the lower portion of the upper support plate 3100 toward the first support plate 1100 of the lower body 1000.

Scrap metal, which is pressurized by the first mill plate 2100, may be compressed into a rectangular parallelepiped form in an elongated rectangular parallelepiped form.

The lower body 1000 may include a first support plate 1100, a second support plate 1300, a third support plate 1500 and a lower support plate 1700.

The first support plate 1100, the lower body 1000 may be formed in a vertical direction on the opposite side of the first compressor 2000.

Detailed description of the first support plate 1100 will be described later with reference to FIG. 3.

The second support plate 1300 may be formed in a vertical direction on one side between the first compressor 2000 and the first support plate 1100.

A detailed description of the second support plate 1300 will be described later with reference to FIG. 3.

The third support plate 1500 may be formed in a vertical direction on the side opposite to the second support plate 1300.

Detailed description of the third support plate 1500 will be described later with reference to FIGS. 4 to 6.

The lower support plate 1700 may be located on the bottom surface of the lower body.

The detailed description of the lower support plate 1700 will be described later with reference to FIGS. 8 to 10.

3 is a view showing the configuration of the first support plate and the configuration of the second support plate.

Referring to FIG. 3, an inner surface of the first support plate 1100 may support the first mill plate 2100 of the first compressor 2000 to compress scrap metal pieces, and the outside of the first support plate 1100. The surface may include at least one clamping groove 1110 through which the clamp 3400 can fix the upper body 3000.

The second support plate 1300 supports to load scrap metal, and the second support plate 1300 may include a second compressor 1310 at a lower side of the first support plate 1100.

The second support plate 1300 has a higher shape than the first support plate 1100 and the third support plate 1500 so as not to overflow when scrap metal is loaded in the directions of the first support plate 1100 and the third support plate 1500. Can have

The second compressor 1310 may include a second mill plate 1311 and a third hydraulic cylinder 1313.

The second mill plate 1311 may contact scrap metal compressed by the first compressor 2000.

The third hydraulic cylinder 1313 may move the second mill plate 1311 to compress the scrap metal compressed by the first compressor 2000.

The third hydraulic cylinder 1313 may move the second mill plate 1311 in the vertical direction with the first mill plate 2100.

The pieces of scrap of elongated rectangular parallelepiped compressed by the first mill plate 2100 may be compressed in the form of a rectangular parallelepiped close to the cube under pressure by the second mill plate 1311.

4 to 6 are views showing the configuration of the gas discharge portion.

Referring to FIG. 4, the third support plate 1500 may include a compressed scrap metal discharge part 1510 and a gas discharge part 1600.

The compressed scrap metal discharge unit 1510 may be located in front of the second compressor 1310.

The compressed scrap metal discharge unit 1510 may be closed so that the second compressor 1310 compresses scrap metal pieces.

The compressed scrap metal discharge unit 1510 may be opened to discharge the compressed scrap metal pieces to the outside when the scrap metal pieces are compressed by the second compressor 1310.

The gas discharge unit 1600 may be formed at a predetermined height from the lower support plate 1700.

At this time, since the predetermined height is for discharging the gas in a fixed state by rotating the upper body 3000, it may have a value smaller than the height of the first mill plate 2100.

The gas discharge unit 1530 may include at least one gas discharge pipe 1531, a gas moving unit 1533, and a gas suction fan 1537.

The at least one gas discharge pipe 1531 may penetrate from the inner surface of the third support plate 1500 to the outer surface, and discharge compressed gas generated in the process of compressing scrap metal to the gas moving unit 1533.

The gas moving unit 1533 may be connected to the gas discharge pipe 1531 outside the third support plate 1500.

The gas moving unit 1533 may move the gas discharged by the gas discharge pipe 1531 in the direction of the gas suction fan 1537.

The gas suction fan 1537 may be located on one side of the gas moving part 1533.

The gas intake fan 1537 may discharge the gas in the gas moving part 1533 to the atmosphere.

Detailed description of the gas moving unit 1533 and the gas suction fan 1537 will be described later with reference to FIGS. 5 and 6.

5 and 6, the gas moving unit 1533 may include a gas moving tube 1534, a first air pressure measurement sensor 1535 and a second air pressure measurement sensor 1536.

The gas moving pipe 1534 may guide the gas discharged through the gas discharge pipe 1531 toward the gas suction fan 1537.

The first air pressure measurement sensor 1535 may measure air pressure inside the gas moving part 1533.

The second air pressure measurement sensor 1536 may measure air pressure outside the gas moving part 1533.

The gas intake fan 1537 is inside the gas moving part 1533 so that the air pressure value measured by the first air pressure measurement sensor 1535 is smaller than the air pressure value measured by the second air pressure measurement sensor 1536. The gas can be discharged to the outside.

By maintaining the air pressure inside the gas moving tube 1534 lower than the external air pressure, not only the compressed gas can be discharged, but also the gas inside can be sucked, so that heat generated in the scrap metal compression process can be introduced into other gaps. It can be cooled by gas.

Therefore, the main component of the scrap metal compressor 10 equipped with a fluid discharge means is a metal material, and it is easy to be damaged in high heat, so it can be prevented.

7 is a view showing the configuration of the gas outlet of the upper support plate.

Referring to FIG. 7, a scrap metal compressor 10 equipped with a fluid discharge means according to another embodiment of the present invention may include at least one outlet 3500 to discharge compressed gas to the upper support plate 3100 to the outside. have.

8 is a view showing the configuration of the liquid discharge portion of the lower support plate.

Referring to FIG. 8, a scrap metal compressor 10 equipped with a fluid discharge means according to another embodiment of the present invention may further include a liquid discharge part 1730.

The liquid discharge unit 1730 may discharge the liquid flowing out from the scrap metal and the liquid introduced from the outside of the lower support plate 1700.

The liquid discharge part 1730 may include a liquid collection groove 1173 and a vertical discharge pipe 1732.

The liquid collection groove 1173 may be formed in a lattice shape on the lower support plate 1700.

In this case, the liquid collection groove 1173 is a first support plate 1100 to a first support plate 1100 or a second support plate 1300 to a third support plate that is not a part of the lower support plate 1700 for tight collection of liquid. It can be formed up to (1500).

In addition, the liquid collection groove 1173 may have a slight inclination to move the liquid to the vertical discharge pipe 1733, which will be described later.

The vertical discharge pipe 1733 may be formed by penetrating the lower support plate 1700 from top to bottom, and may be located at a point where the grids intersect.

The vertical discharge pipe 1713 may discharge liquid collected by the liquid collection groove 1173 below the lower support plate 1700.

9 and 10 are views showing the configuration of the liquid moving portion and the collection container.

Referring to FIG. 9, a scrap metal compressor 10 equipped with a fluid discharge means according to another embodiment of the present invention may further include a liquid moving part 1751, 1753, 1755 and a collection container 171.

The liquid moving parts 1751, 1753, and 1755 may be located at the bottom of the lower support plate 1700, and may drain the liquid discharged through the vertical discharge pipe 1733.

The collection container 1771 may collect the liquid drained by the liquid moving parts 1751, 1753 and 1755.

The liquid may be a liquid that can flow to the ground, such as rain water, but may be a contaminated liquid, and may be separately collected and collected in the collection container 171 through the liquid moving parts 1751, 1753, and 1755.

The upper end of the collection container 1771 may further include a strainer 1773 for filtering scrap metal from the liquid drained by the liquid moving parts 1751, 1753, and 1755.

The strain net 1773 may filter scrap metal pieces that are small enough to enter the liquid collection groove 1173 among scrap pieces that are to be compressed, and the filtered scrap metal pieces may be separately managed.

The liquid moving parts 1751, 1753, and 1755 may have a V-shape in which two panels are formed to have a lower center than both edges.

The liquid moving parts 1751, 1753, and 1755 may have a form in which the liquid discharged by the vertical discharge pipe 1733 is collected in the center and flows in the direction of the collection container 171.

Referring to FIG. 10, the liquid moving parts 1751, 1753, and 1755 may be horizontal discharge pipes 1755 connected to vertical discharge pipes 1733.

The horizontal discharge pipe 1755 may have an inclination so that the liquid discharged by the vertical discharge pipe 1732 flows in the direction of the collection container 171.

It is a figure which shows the 1st uneven part of a 2nd mill plate.

Referring to FIG. 11, the second mill plate 1311 may further include a first uneven portion 1312.

A typical scrap metal compressor can compress scrap metal pieces into a hexahedron with no irregularities on its surface. In this case, there is a problem in that a plurality of compressed scrap metals are loaded and one or more compressed scrap metals may fall out of the transport vehicle during the transportation process.

Therefore, when the unevenness is added to the compressed scrap metal, and the compressed and discharged scrap metals are engaged through the unevenness, there is an advantage that it can be safely transported.

The first uneven portion 1312 may include at least one uneven portion.

Here, the four irregularities protruding from the first uneven portion 1312 are exemplary of an octagon. Therefore, when the second hydraulic cylinder 1313 moves the first mill plate 1311 to compress the scrap metal pieces, scrap metal pieces May be compressed into a shape that meshes with the shape of the unevenness of the first unevenness portion 1312.

It is a figure which shows the 2nd uneven | corrugated part of a compressed scrap metal discharge part.

Referring to FIG. 12, the compressed scrap discharge unit 1510 may further include a second uneven portion 1511.

The second uneven portion 1511 may include at least one uneven portion.

Here, the shape of the second concavo-convex portion 1511 may be a form that meshes with the first concavo-convex portion 1312. Therefore, the fully compressed scrap metal pieces are provided with the first concavo-convex portion 1312 and the second concavo-convex portion 1511. Unevenness is formed on both sides by, and each compressed scrap metal can be engaged with each other using this unevenness. The above-described embodiments are for illustration, and the technical field to which the above-described embodiments belong Those of ordinary skill in the art will appreciate that it can be easily modified to other specific forms without changing the technical idea or essential features of the above-described embodiments. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope to be protected through the present specification is indicated by the claims, which will be described later, rather than by the detailed description, and should be interpreted to include all modified or modified forms derived from the meaning and scope of the claims and their equivalent concepts.

10: scrap metal compressor with fluid discharge means
1000: lower body
2000: first compressor
3000: upper body

Claims (2)

A lower body forming a space for loading scrap metal pieces;
A first compressor installed on an upper side of one side of the lower body and applying pressure to a piece of scrap metal loaded on the lower body; And
It is installed on the first compressor, the upper body for opening and closing the upper front of the lower body; includes,
The upper body,
An upper support plate compressing scrap metal pieces loaded on the lower body from top to bottom; A white paper fixing one edge of the upper support plate; A first hydraulic cylinder that rotates the upper support plate on a rotating shaft of the white paper; And at least one clamp formed on an opposite edge of the white paper and fixing the upper support plate after rotation is completed.
The upper support plate compresses the scrap metal loaded on the lower body while rotating the white paper by the first hydraulic cylinder with a rotating shaft,
The first compressor,
A first mill plate in contact with a piece of scrap metal loaded on the lower body; And a second hydraulic cylinder for moving the first mill plate.
After the upper support plate is rotated, and fixed by the clamp, the first mill plate is moved in the direction of the first support plate by the second hydraulic cylinder to compress the scrap metal pieces,
The lower body,
A first support plate formed in a vertical direction on the opposite side of the first compressor; A second support plate formed in a vertical direction on one side between the first compressor and the first support plate; A third support plate formed in a vertical direction on an opposite side of the second support plate; And a lower support plate located on the bottom surface of the lower body.
The inner surface of the first support plate supports the first compressor to compress the scrap metal pieces, and the outer surface of the first support plate has at least one clamping groove through which the clamp can fix the upper body,
The second support plate supports to load scrap metal pieces, and the second support plate includes a second compressor at the bottom of the first support plate;
The second compressor includes a second mill plate in contact with scrap metal compressed by the first compressor; And a third hydraulic cylinder moving the second mill plate to compress the scrap metal compressed by the first compressor.
The third support plate may include a compressed scrap metal outlet located in front of the second compressor; And at least one or more gas outlets formed at a predetermined height from the lower support plate.
The compressed scrap metal discharge unit is closed so that the second compressor can compress the scrap metal pieces, and when the scrap metal pieces are compressed by the second compressor, the compressed scrap metal pieces are opened to discharge to the outside,
The gas discharge part, at least one gas discharge pipe that passes through the third support plate and discharges compressed gas generated in the process of compressing scrap metal pieces to the outside; A gas moving pipe connected to the gas discharge pipe from the outside of the third support plate; And a gas suction fan located on one side of the gas moving tube.
The gas moving tube includes: a first air pressure measuring sensor for measuring air pressure inside the gas moving tube; And a second air pressure measurement sensor that measures air pressure outside the gas moving tube.
The gas suction fan discharges the gas inside the gas moving tube to the outside so that the air pressure value measured by the first air pressure measurement sensor has a value smaller than the air pressure value measured by the second air pressure measurement sensor,
The lower support plate further includes a liquid discharge portion for discharging the liquid flowing out of the scrap metal and the liquid introduced from the outside,
The liquid discharge portion is a liquid collecting groove formed in a lattice shape on the top of the lower support plate; And a vertical discharge pipe positioned at a point where the grids intersect and discharges the liquid collected by the liquid collecting grooves under the lower support plate.
The liquid discharge portion, a liquid moving portion for draining the liquid discharged through the vertical discharge pipe from the bottom of the lower support plate; And a collection container for collecting the liquid drained by the liquid moving part.
The liquid moving part is a horizontal discharge pipe connecting the vertical discharge pipe, and the collecting container further includes a strainer for filtering scrap metal from the liquid drained by the liquid moving portion. delete

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