KR102301930B1 - Air current forming net and separating apparatus containing the same - Google Patents

Abstract

The present invention includes a first perforation forming part in which a plurality of recessed areas and a plurality of protruding areas are alternately formed and a second perforation forming part having the same shape as the first perforation forming part, wherein the first perforation forming part and the first perforation forming part are formed. The two-perforation forming part is coupled so that each of the recessed area and the protruding area cross each other, and is continuously provided to form a plane, passing through a plurality of perforations repeatedly formed between the intersecting recessed area and the protruding area, and blowing Discharge is distributed in a right-angled direction.

Description

Air current forming net and specific gravity separation device including the same {Air current forming net and separating apparatus containing the same}

The present invention relates to an airflow forming net and a specific gravity separator including the same, and more particularly, to an airflow forming net for sorting a mixture in which two or more particles having different specific gravity are mixed by specific gravity using blowing and vibration, and the same It relates to a specific gravity separator comprising a.

Recently, as the price of crude oil has risen explosively, efforts to secure an energy source that can replace crude oil are increasing.

Accordingly, research on new energy sources that can replace existing fossil fuels, such as solar energy and bioenergy, are being actively researched, but there are still many limitations in industrial use, so the demand for coal is increasing again in recent years.

In general, run of mine coal, which corresponds to coal as it is extracted from a coal seam, contains a large amount of coal powder, and is mixed with refined coal with low ash and gangue, which is a crushing stone of rock.

At this time, the gangue the alkali component _{(K 2 O, Na 2 O} ) containing If it is contained in jeongtan the amount of heat is reduced in the combustion process of jeongtan there is a hazardous gas (SO _x) occur, in particular gangue of mica and chlorite, clay, etc. In the combustion process, it lowers the melting point of ash and causes slagging or fouling inside the boiler of thermal power plant, which is the cause of shortening the life of the boiler.

Therefore, in order to improve combustion efficiency and extend the life of the boiler, technology development for removing the gangue mixed with raw coal by a physical method is being attempted.

In the prior art Korean Patent Registration No. 1010940, a crusher body having a receiving part formed to accommodate low-grade coal having an ash content of a certain level or more and water together, and a crusher body accommodated in the receiving part of the crusher body, collision and friction with the coal An abrasive grinder having a plurality of friction balls for pulverizing the coal and a stirrer that is rotatably installed on the main body of the grinder and agitates so that the coal and the friction balls collide and rub with each other, and the upper side of the receiving part of the wear grinder It is installed in the screen, and a screen having a plurality of permeation holes through which only particles of a certain size or less can pass, and a catcher that hydrophobizes the pulverized coal particles so that the coal particles pulverized in the abrasive grinder can float to the upper side of the accommodating part. There is proposed a low-grade coal upgrading device, characterized in that it includes a catcher supply device for supplying the agent to the receiving unit.

In summary, the prior art is to classify raw coal into fine coal particles and gangue particles by flotation, but the prior art requires a post-processing process of dehydrating and drying fine coal particles, which requires a lot of cost.

Accordingly, there is a need to develop various coal sorting devices to solve the above-described problems.

It is an object of the present invention, in that two or more particles having different specific gravity are mixed and selected by the specific gravity difference in the supplied mixture, a plurality of perforations formed along the direction perpendicular to the supply direction of the air supplied from the air blowing fan By passing through, dividing, and injecting the mixture into the supplied deck, the amount of air blown toward the deck can be adjusted to be uniform, and since the plurality of perforated areas have a curved structure, the flow rate of each selected particle can be indirectly controlled. To provide an airflow forming network and a specific gravity screening device including the same.

The airflow forming network according to the present invention includes a first perforation forming part in which a plurality of recessed areas and a plurality of protruding areas are alternately formed and a second perforation forming part having the same shape as the first perforation forming part, and the first perforation The forming part and the second perforated forming part are coupled to each other so that the recessed area and the protruding area cross each other, and are continuously provided to form a surface, and a plurality of repeatedly formed between the intersected recessed area and the protruding area. It is characterized in that the blowing direction passing through the perforation is dispersed and discharged in a right angle direction.

On the other hand, in the specific gravity separator according to the present invention, the upper surface is formed as an inclined surface inclined to one side in the front-rear direction and one side in the left-right direction, the main body having the inclined surface opened, and a plurality of seated inside the inclined surface, forming an airflow forming network A first deck in which a first perforation of the first deck is formed, a guide coupled to a plurality of the upper surface of the first deck, a mixture supply unit for supplying a mixture to the upper surface of the first deck, is installed inside the body, and the An air blowing fan that blows air into the first perforation and a vibrating unit that applies horizontal vibration to the first deck to discharge particles forming the mixture through different paths, wherein the first perforation includes the air blowing fan It is formed in a direction perpendicular to the blowing direction of the air through and guides the direction in which the air is supplied.

The first deck is formed in the same shape as the plurality of first perforated forming portions and the first perforated forming portion formed by repeatedly forming a bent area in which a protruding area and a depressed area are repeated along the longitudinal direction on the inside of the inclined surface. and a plurality of second perforation forming portions disposed to cross each protruding area and a recessed area between a plurality of the first perforated forming portions disposed adjacent to each other with the same directionality.

Here, the first perforation includes a plurality of recessed areas of the first perforation forming part, a plurality of protruding areas of the second perforation forming part, a plurality of protruding areas of the first perforation forming part, and a plurality of recessed areas of the second perforation forming part. It is formed as a space that occurs repeatedly in between.

On the other hand, the specific gravity separator according to the present invention is provided between the first deck and the air blowing fan, a second plurality of second perforations for dividing the air blown by the air blowing fan into uniform sizes are formed. The deck and the first deck and the second deck are fitted to the upper and lower surfaces, respectively, and further includes a frame mounted on the inner side of the inclined surface to be inclined in the inclined direction of the inclined surface.

The second deck is formed so that the second perforation is wider than the first perforation.

And, in the specific gravity sorting device according to the present invention, in defining the first corner, the second corner, the third corner, and the fourth corner in the order of locating the corners of the first deck higher, the upper end of the second corner and the A first ripple arranged between the upper end of the fourth corner, a second ripple arranged between the upper end of the first corner and the upper end of the third corner, and a space between the upper end of the first corner and the upper end of the second corner It further includes an enclosing barrier wall.

In addition, in the specific gravity sorting device according to the present invention, in defining the first corner, the second corner, the third corner, and the fourth corner in the order of locating the corners of the first deck higher, the upper end of the fourth corner and A first discharge space adjacent to the fourth corner and a second discharge space adjacent to the third corner are partitioned between the upper ends of the third corner by a first partition wall and a second partition wall, and the first Of the mixture supplied to the deck, particles having a relatively high flow force are discharged to the first discharge space, and particles having a relatively low flow force are formed to be discharged into the second discharge space.

In addition, the specific gravity separator according to the present invention further includes a suction unit installed on the upper side of the main body to suck dust.

In the present invention, two or more particles having different specific gravity are mixed and the supplied mixture is selected by the specific gravity difference, the air supplied from the air blowing fan passes through a plurality of perforations formed along a direction perpendicular to the supply direction, By allowing the split and mixture to be fed into the supplied deck, the amount of air blown toward the deck can be adjusted to be uniform, and since the plurality of perforated areas have a curved structure, the flow rate of each selected particle can be indirectly controlled. have an effect

And, since the flow direction of the particles is formed in a direction perpendicular to the air supply direction, the present invention has the effect of preventing the problem of clogging of the perforations by the particles that are selected and flowed.

1 is a perspective view of a specific gravity separator according to an embodiment of the present invention.
2 is an exploded perspective view of a specific gravity separator according to an embodiment of the present invention.
3A to 3B are enlarged views of an airflow forming network for a specific gravity separator according to an embodiment of the present invention.
3c to 3d are views showing the flow of air blown through the airflow forming net for the specific gravity separator according to an embodiment of the present invention.
4 is an enlarged perspective view of a vibrating unit for a specific gravity separator according to an embodiment of the present invention.
5 is an exploded perspective view of a first deck, a second deck, and a frame for a specific gravity separator according to an embodiment of the present invention.
6 is an operation diagram of a specific gravity separator according to an embodiment of the present invention.
7 is a plan view of an embodiment of a specific gravity separator according to an embodiment of the present invention.
8 is an operation diagram of an embodiment of a specific gravity separator according to an embodiment of the present invention.

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

Advantages and features of the present invention, and a method of achieving the same, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited by the embodiments disclosed below, but will be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

In addition, in the description of the present invention, if it is determined that related known technologies may obscure the gist of the present invention, detailed description thereof will be omitted.

1 is a perspective view of a specific gravity separator according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the specific gravity separator according to an embodiment of the present invention.

In addition, FIGS. 3a to 3b are enlarged views of the airflow forming network for the specific gravity sorting device according to an embodiment of the present invention, and FIGS. 3c to 3d are blowing through the airflow forming network for the specific gravity sorting device according to the embodiment of the present invention. 4 is an enlarged perspective view of a vibrating unit for a specific gravity separator according to an embodiment of the present invention.

As shown in FIGS. 1 to 2 , the specific gravity separator 1000 according to this embodiment selects a mixture supplied by mixing two or more particles having different specific gravity by specific gravity using blowing and vibration, the mixture The blowing direction discharged in the opposite direction to the supply direction of The sorting device 1000 is configured to include a main body 100 , a first deck 210 , a guide 220 , a mixture supply unit 300 , an air blowing fan 400 , and a vibrating unit 500 .

The main body 100 is formed in a rectangular parallelepiped shape that becomes wider toward the upper side, and the upper surface is formed as an inclined surface 110 inclined from left to right while inclined from the front side to the rear side, and the center of the inclined surface 110 is opened, A plurality of support members 120 are arranged on the edge of the inclined surface 110 .

At this time, it is preferable that the inclined surface 110 is inclined from the front to the rear while being inclined from the left to the right, but the present invention is not limited thereto. Any inclined shape can be applied.

The support member 120 is configured to support a component seated inside the inclined surface 110 and may be formed in a cylindrical shape, but the present invention is not limited thereto.

The first deck 210 is supported by the support member 120 while being inclinedly seated on the inside of the inclined surface 110 in the inclined direction of the inclined surface 110, and forming a plurality of first airflow forming networks. The perforations 211 are densely formed.

The first perforated hole 211 is formed in a direction perpendicular to the blowing direction of air through the air blowing fan 400 to guide the direction in which the air passes.

To this end, the first deck 210 includes a plurality of first perforated forming portions 210a and second perforated forming portions 210b.

That is, the specific gravity separator 1000 according to the present embodiment includes an airflow forming net constituting the first deck 210, and this airflow forming net includes a first perforated forming part 210a and a first perforated forming part ( 210a) and a second perforated forming portion 210b having the same shape.

Here, in the first perforation forming part 210a, as shown in FIG. 3A , a bent area in which the protruding area A and the recessed area B are repeated on the inside of the inclined surface 110 is repeatedly formed along the longitudinal direction. become made

In addition, the second perforated forming portion 210b is formed in the same shape as the first perforated forming portion 210a, has the same directionality and protrudes between a plurality of the first perforated forming portions 210a disposed adjacent to each other. The region (A) and the recessed region (B) are arranged to cross each other.

In other words, as shown in FIG. 3B , the first perforation forming part 210a is formed through the first perforation forming part 210a and the second perforation forming part 210b. ) of a plurality of recessed areas (B), a plurality of protruding areas (A) of the second perforation forming part 210b, and a plurality of protruding areas (A) of the first perforated forming part 210a and the second perforation It may be formed as a space repeatedly generated between the plurality of recessed regions B of the forming portion 210b.

Accordingly, the first perforation 211 is the supplied mixture, for example, after the air blown through the air blowing fan 400 with respect to the flow direction of the raw coal pulverized material moves sideways along the first perforation 211, As shown in FIGS. 3C to 3D , since the guide can be directed toward the pulverized raw coal, the flow rate of the pulverized raw coal can be made constant by supplying air at a constant air volume.

Here, in this embodiment, the supplied mixture is limited to pulverized raw coal, but this is not determined, and it may be composed of various mixtures in which two or more particles having different specific gravity are mixed.

In addition, since the first perforation 211 is formed on the side surface with respect to the supply direction of the raw coal pulverized product by the structure as described above, the first perforation 211 is disposed facing the supply direction of the raw coal pulverized product from the bottom as in the prior art. Compared to the perforated structure, clogging by the raw coal pulverized material can be prevented, and accordingly, the clogging of the first perforated hole 211 is prevented, so that a certain amount of air can be supplied to the upper surface of the first deck 210 .

In addition, since the first perforation 211 has a curved structure formed by repeating the protruding area A and the recessed area B, it is also possible to indirectly control the flow rate of the supplied pulverized raw coal.

In addition, the first deck 210 may be formed of a mesh plate, but the present invention is not limited thereto.

The guide ( 220 is formed to be elongated in the direction toward the fourth corner 215, and a plurality of them are arranged in a direction from the second corner 213 to the third corner 214 to be on the upper surface of the first deck 210. are combined

The mixture supply unit 300 supplies the pulverized raw coal to a place adjacent to the second corner 213 on the upper surface of the first deck 210 , wherein the first perforations 211 are the first deck 210 . It is preferable that the area is formed to be narrower than the particles contained in the raw coal pulverized material so that the raw coal pulverized material supplied to the upper surface of the is not intruded.

The air blowing fan 400 may be configured as an air blowing fan, and is installed inside the main body 100 to blow air into the first perforated hole 211 .

As shown in FIG. 4 , the vibrating unit 500 may be configured as a vibrator hinged to one end of the first deck 210 , and by applying a horizontal vibration to the first deck 210 , the second Of the raw coal pulverized material supplied to the upper surface of the first deck 210 , the fine coal particles having a flow force by the air passing through the first perforations 211 are combined with the second corner 213 along the guide 220 . It is discharged between the fourth corners 215, and has a higher specific gravity than regular coal particles, so it does not have a flow force, and fine and plate-shaped gangue particles follow the guide 220 along the first corner 212 and the third corner 214. ) to be discharged through the

Here, the specific gravity of the refined coal particles is 1.9 kg/m3 or less, and the specific gravity of the gangue particles is 2.2 kg/m3 or more.

Accordingly, in the specific gravity separator 1000 according to the present invention, the normal coal particles and the gangue particles contained in the raw coal pulverized product are dry-sorted by the difference in specific gravity, thereby eliminating the need for post-treatment processes of dehydration and drying.

On the other hand, the vibrating unit 500 may be composed of a piston (not shown) for generating vibration by applying a horizontal pushing force to the first deck 210 and a crankshaft (not shown) coupled to the piston. have. At this time, the raw coal pulverized material supplied to the upper surface of the first deck 210 receives only vibration by the force pushing it in the horizontal direction by the piston, so that the particles contained in the raw coal pulverized material collide with each other and the probability of breakage is reduced. .

In addition, in the specific gravity separator 1000 according to the present invention, the second corner 213 and the fourth corner 215 are guided so that the refined coal particles discharged between the second corner 213 and the fourth corner 215 are guided downward. ) and a first guide member 610 installed between the first corner 212 and the third corner so that the gangue particles discharged between the first corner 212 and the third corner 214 are guided downward. It may be configured to further include a second guide member 620 installed between the (214).

In addition, it is preferable that the guide 220 is not formed adjacent to the fourth corner 215 . When the guide 220 is formed adjacent to the fourth corner 215, fine coal particles mixed with a small amount of gangue particles move along the guide 220 between the second corner 213 and the fourth corner 215. because it can be released.

5 is an exploded perspective view of the first deck, the second deck, and the frame for the specific gravity separator according to an embodiment of the present invention.

As shown in FIG. 5 , in the specific gravity separator 1000 according to the present invention, after the air blown by the air blowing fan 400 is divided into uniform sizes, it can be blown to the first perforated hole 211 . It may be configured to further include a second deck 230 and a frame 240 so as to be.

The second deck 230 is formed in a plate shape and is provided between the first deck 210 and the air blowing fan 400, and dividing the air blown by the air blowing fan 400 into uniform sizes. A plurality of second perforations 231 are densely formed. At this time, the second perforations 231 have a larger area than the first perforations 211 so that the air blown by the air blowing fan 400 can pass smoothly. formed widely.

The frame 240 is formed in the form of a plate opened in the vertical direction, and the first deck 210 and the second deck 230 are fitted on the upper and lower surfaces, respectively, so that the inclined surface (110) is inside the inclined surface ( 110) is seated obliquely in the inclination direction.

Accordingly, the specific gravity separator 100 according to the present invention is configured to further include a second deck 230 and a frame 240, so that the air blown by the air blowing fan 400 is provided with the second perforation ( 231), there is an effect of being supplied to the first perforated hole 211 after being divided into uniform sizes.

At this time, the regular coal particles among the raw coal pulverized material supplied to the upper surface of the first deck 210 are distributed on the upper surface of the first deck 210 by air of a uniform size passing through the first perforations 211 . Each area has a uniform flow force.

Meanwhile, referring to FIGS. 1 and 2 , the specific gravity separator 1000 according to the present invention may further include a first ripple 250 , a second ripple 260 , and a blocking wall 270 .

The first ripple 250 is arranged between the upper end of the second corner 213 and the upper end of the fourth corner 215 , and is discharged between the second corner 213 and the fourth corner 215 . It guides the regular coal particles to be used in one direction. Although the drawing shows an embodiment in which the first ripple 250 guides the regular coal particles in a direction toward the fourth corner 215, the present invention is not limited thereto.

The second ripple 260 is configured to be arranged between the upper end of the first corner 212 and the upper end of the third corner 214 , and is discharged between the first corner 212 and the third corner 214 . It guides the gangue particles in one direction. Although the drawing shows an embodiment in which the second ripple 260 guides the gangue particles in a direction toward the third corner 214, the present invention is not limited thereto.

The blocking wall 270 is configured to surround between the upper end of the first corner 212 and the upper end of the second corner 213, and the pulverized raw coal supplied to the upper surface of the first deck 210 is It serves to block so as not to escape between the first corner 212 and the second corner 213 .

Hereinafter, Figure 6 is an operation diagram of the specific gravity separator according to an embodiment of the present invention.

As shown in FIG. 6 , the operating principle of the specific gravity separator 1000 according to the present invention will be described.

First, the mixture supply unit 300 supplies the pulverized raw coal to a place adjacent to the second corner 213 of the upper surface of the first deck 210 , wherein the pulverized raw coal is supplied by the blocking wall 270 . It does not protrude between the first corner 212 and the second corner 213 .

Next, the air blowing fan 400 blows air to the second perforated holes 231 . At this time, the air blown by the air blowing fan 400 is divided into uniform sizes in the second perforated holes 231 , and then blown to the first perforated hole 211 .

At this time, by the air passing through the first perforations 211 , the particles contained in the raw coal pulverized material supplied to the first deck 210 have a high flow force in the order of low specific gravity.

In more detail, by the air passing through the first perforations 211, the fine coal particles in the raw coal pulverized product have the highest fluidity due to the lowest specific gravity, and the fine coal particles mixed with a small amount of gangue particles Because the specific gravity is the second lowest, it has the second highest fluidity, and the gangue particles mixed with a small amount of fine coal particles have the third highest fluidity because the specific gravity is the third lowest, and the gangue particles have the highest specific gravity. Since it is the highest relationship, it has no liquidity.

At this time, in FIG. 6, the fine coal particles are shown in a circular shape to more conveniently represent the movement path of the particles contained in the raw coal pulverized material, and the fine coal particles mixed with a small amount of gangue particles are shown in a circular shape in which a triangle is bonded to the surface, , gangue particles mixed with a small amount of fine coal particles are shown as triangles with a circle bound to the surface, and gangue particles are shown as triangular particles.

Next, the static coal particles having the highest flow force by applying the vibration in the horizontal direction to the first deck 210 by the vibrating unit 500 are aligned with the second corner 213 and the second along the guide 220 . The fine coal particles discharged between the 4 corners 215 and mixed with the small amount of gangue particles having the second highest flow force pass the guide 220 and the third corner 214 and the fourth corner 215 . Among them, the gangue particles, which are discharged to a place close to the fourth corner 215, and mixed with a small amount of refined coal particles having the third highest fluidity, pass over the guide 220 and the third corner 214. Among the fourth corner 215 and the fourth corner 215, the gangue particles are discharged to a place closer to the third corner 214, and the gangue particles having no flow force follow the guide 220 to the first corner 212 and the third corner ( 214) is discharged through the

At this time, the first ripple 250 serves to quickly discharge the coal particles discharged between the second corner 213 and the fourth corner 215 from the upper surface of the first deck 210, and 2 ripple 260 serves to quickly discharge the gangue particles discharged between the first corner 212 and the third corner 214 from the upper surface of the first deck 210, the first deck 210 It is possible to reduce energy consumption by increasing the processing amount of refinery particles and waste-rock particles supplied to the upper surface of the furnace.

Accordingly, the specific gravity separator 1000 according to the present invention can not only sort the raw coal pulverized product into regular coal particles and gangue particles by using the difference in specific gravity, but also fine coal particles mixed with a small amount of gangue particles and a small amount of raw coal particles. There is an effect that the gangue particles mixed with and can also be selected using the difference in specific gravity.

Hereinafter, FIG. 7 is a plan view of an embodiment of a specific gravity separator according to an embodiment of the present invention, and FIG. 8 is an operational diagram of an embodiment of the specific gravity separator according to an embodiment of the present invention.

7, in the embodiment of the specific gravity separator 1000 according to the present invention, between the upper end of the fourth corner 215 and the upper end of the third corner 214 is a first partition wall 280 and A first discharge space 216 adjacent to the fourth corner 215 and a second discharge space 217 adjacent to the third corner 214 are partitioned by a second partition wall 290 .

The first partition wall 280 is formed in a direction from the fourth corner 215 toward the first corner 212 and is coupled to the upper end of the fourth corner 215, in which case the first partition wall ( The lower end of the 280 may be hinged to the upper end of the fourth corner 215 .

The second partition wall 290 is formed in a direction from the third corner 214 toward the second corner 213 between the upper end of the fourth corner 215 and the upper end of the third corner 214 . In this case, the lower end of the second partition wall 290 may be hinged between the upper end of the fourth corner 215 and the upper end of the third corner 214 .

As shown in FIG. 8 , the operating principle of the embodiment of the specific gravity separator 1000 according to the present invention will be described.

As described in the operating principle of the specific gravity separator according to the present invention, the normal coal particles having the highest flow force by the vibration unit 500 applying horizontal vibration to the first deck 210 are the guides. The fine coal particles discharged between the second corner 213 and the fourth corner 215 along 220, and mixed with a small amount of gangue particles having the second highest flow force, pass the guide 220, The gangue particles discharged between the third corner 214 and the fourth corner 215 and mixed with a small amount of fine coal particles having the third highest fluidity cross the guide 220 and pass through the third corner ( 214) and the fourth corner 215, and the gangue particles having no flow force are discharged between the first corner 212 and the third corner 214 along the guide 220.

At this time, the fine coal particles mixed with a small amount of gangue particles having the second highest flow force are discharged between the third corner 214 and the fourth corner 215, and the second adjacent to the fourth corner 215 is The first discharge space 216 is discharged.

In addition, the gangue particles mixed with a small amount of fine coal particles having the third highest flow force are discharged between the third corner 214 and the fourth corner 215, and are lower than the fine coal particles mixed with a small amount of gangue particles. It has a flow force and is discharged to the second discharge space 217 adjacent to the third corner 214 .

At this time, when the angle or position formed by the first partition wall 280 and the second partition wall 290 is adjusted, the trace amount of fine coal particles mixed with the trace gangue particles discharged into the first discharge space 216 is The amount of gangue particle mixing can be adjusted.

In the present invention, two or more particles having different specific gravity are mixed and the supplied mixture is selected by the specific gravity difference, the air supplied from the air blowing fan passes through a plurality of perforations formed along a direction perpendicular to the supply direction, By allowing the split and mixture to be fed into the supplied deck, the amount of air blown toward the deck can be adjusted to be uniform, and since the plurality of perforated areas have a curved structure, the flow rate of each selected particle can be indirectly controlled. have an effect

And, since the flow direction of the particles is formed in a direction perpendicular to the air supply direction, the present invention has the effect of preventing the problem of clogging of the perforations by the particles that are selected and flowed.

Although the present invention has been described with reference to the embodiment(s) shown in the drawings, this is only exemplary, and various modifications may be made therefrom by those skilled in the art, and the above-described embodiment It will be understood that all or part of the (s) may optionally be combined. Accordingly, the true technical protection scope of the present invention should be determined by the spirit of the appended claims.

1000: specific gravity separator 100: body
110: slope 210: first deck
210a: first perforated forming part 210b: second perforated forming part
211: first perforation 212: first corner
213: second corner 214: third corner
215: fourth corner 216: first discharge space
217: second discharge space 218: stepped surface
220: guide 230: second deck
231: second perforation 240: frame
250: first ripple 260: second ripple
270: barrier wall 280: first partition wall
290: second partition wall 300: mixture supply unit
400: air blowing fan 500: vibrating unit
610: first guide member 620: second guide member
700: suction unit

Claims (9)

A first perforation forming portion in which a plurality of recessed areas and a plurality of protruding areas are alternately formed and a second perforation forming portion having the same shape as the first perforated forming portion,
The first perforation forming part and the second perforation forming part,
Each of the recessed area and the protruding area are coupled to cross each other, and are continuously provided to form a surface to form a plurality of perforations repeatedly formed between the intersected concave area and the protruding area, and the perforations are air Airflow forming network, characterized in that it is formed in a direction perpendicular to the blowing direction of
a main body having an upper surface formed of an inclined surface inclined toward one side in the front-rear direction and one side in the left-right direction, the inclined surface being opened;
a first deck seated on the inside of the inclined surface and having a plurality of first perforations forming an airflow forming network;
a guide coupled to a plurality of the upper surface of the first deck;
a mixture supply unit for supplying the mixture to the upper surface of the first deck;
an air blowing fan installed inside the main body and blowing air through the first perforation; and
It includes; a vibrating unit that applies a horizontal vibration to the first deck to discharge the particles constituting the mixture through different paths;
The first hole is
It is formed in a direction perpendicular to the direction in which the mixture is supplied and guides the blowing direction of the air blown from the air blowing fan,
The first deck is
a plurality of first perforated forming portions in which a curved region in which a protruding region and a depressed region are repeated is repeatedly formed along the longitudinal direction of the inclined surface; and
A plurality of second perforation forming portions formed in the same shape as the first perforated forming portion, each protruding region and a recessed region intersecting between a plurality of the first perforated forming portions disposed adjacent to each other with the same directionality ; A specific gravity separator comprising a.
delete 3. The method of claim 2,
The first hole is
A space repeatedly generated between the plurality of recessed areas of the first perforation forming part, the plurality of protruding areas of the second perforation forming part, and the plurality of protruding areas of the first perforation forming part and the plurality of recessed areas of the second perforation forming part Specific gravity screening device, characterized in that formed with.
3. The method of claim 2,
a second deck provided between the first deck and the air blowing fan and having a plurality of second perforations for dividing the air blown by the air blowing fan into uniform sizes; and
and a frame in which the first deck and the second deck are fitted on the upper surface and the lower surface, respectively, and are seated on the inside of the inclined surface to be inclined in the inclined direction of the inclined surface.
6. The method of claim 5,
The second deck is
The specific gravity separator, characterized in that the second perforation is formed wider than the first perforation.
3. The method of claim 2,
In defining the corners of the first deck as a first corner, a second corner, a third corner, and a fourth corner in the order of positioning the corners of the first deck higher, the second corner is arranged between the upper end of the second corner and the upper end of the fourth corner. 1 ripple;
a second ripple arranged between an upper end of the first corner and an upper end of the third corner; and
The specific gravity separator further comprising a; blocking wall surrounding between the upper end of the first corner and the upper end of the second corner.
3. The method of claim 2,
In defining the corners of the first deck as a first corner, a second corner, a third corner, and a fourth corner in the order of their respective high positions, a space between the upper end of the fourth corner and the upper end of the third corner is the first A first discharge space adjacent to the fourth corner and a second discharge space adjacent to the third corner are partitioned by a partition wall and a second partition wall, and a relatively high oil content among the mixtures supplied to the first deck Particles having power are discharged to the first discharge space, the specific gravity separator, characterized in that the particles having a relatively low flow force is formed to be discharged to the second discharge space.
3. The method of claim 2,
Specific gravity separation device, characterized in that it further comprises a suction unit installed on the upper side of the main body for sucking the dust.

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