WO2014163258A1 - 건식분리장치 및 건식분리방법 - Google Patents
건식분리장치 및 건식분리방법 Download PDFInfo
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- WO2014163258A1 WO2014163258A1 PCT/KR2013/008217 KR2013008217W WO2014163258A1 WO 2014163258 A1 WO2014163258 A1 WO 2014163258A1 KR 2013008217 W KR2013008217 W KR 2013008217W WO 2014163258 A1 WO2014163258 A1 WO 2014163258A1
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- Prior art keywords
- corner
- deck
- dry
- particles
- specific gravity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/08—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/003—Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
Definitions
- the present invention relates to a dry separation apparatus and a dry separation method, and to a dry separation apparatus and a dry separation method for separating particles having different specific gravity by a difference in specific gravity.
- it relates to a dry separation apparatus and a dry separation method capable of selecting two or more particles having different specific gravity by the shape and arrangement of the guide.
- the apparatus for separating particles from each other by specific gravity has been widely used not only in the field of dry coal, but also in the field of sorting for recycling waste plastics, and for refining rare metals such as heat.
- Korean Patent No. 1010940 a crusher main body having an accommodating part formed therein for accommodating low grade coal and water having a ash content of a predetermined level or more, and the accommodating part of the crusher main body colliding with and rubbing the coal.
- a wear crusher having a plurality of friction balls for crushing the coal and rotatably installed in the crusher main body, the stirrer for stirring the coal and the friction ball to collide with each other and friction;
- a screen installed above the accommodating part of the wear crusher and having a plurality of penetration holes through which only particles having a predetermined size or less can pass therethrough.
- a catcher supplying device for supplying a catcher for hydrophobizing the pulverized coal particles to the receiver so that the coal particles crushed in the wear grinder are suspended above the receiver.
- a high quality coal refiner is presented.
- the prior art sorts raw coal by flotation and classifies it into coal particles and gangue particles.
- the prior art has a problem in that a large cost is required because a post-treatment process for dehydration and drying is required.
- Patent Document 1 Korean Patent Registration No. 1010940 (2011.01.19)
- the present invention has been made to solve the above problems, it is to provide a dry separation apparatus that does not require a post-treatment process by sorting the particles contained in the object to be separated with a large specific gravity particles and small specific gravity particles by the difference in specific gravity. .
- Dry separation apparatus 1000 is the upper surface is formed in the inclined surface 110 inclined in one side in the front and rear direction and one side in the left and right direction, the inclined surface 110 is opened; A first deck 210 seated inside the inclined surface 110 and having a plurality of first perforations 211 formed therein; A plurality of guides 220 coupled to the top surface of the first deck 210; Supply unit 300 for supplying a separation object to the upper surface of the first deck (210); An air blowing fan 400 installed inside the main body 100 to blow air into the first perforations 211; And a vibrator 500 which applies the vibration in the horizontal direction to the first deck 210 so that particles having a larger specific gravity and particles having a smaller specific gravity are discharged through different paths.
- the dry separator 1000 is provided between the first deck 210 and the air blowing fan 400, a plurality of agents for dividing the air blown from the air blowing fan 400 into a uniform size
- the second deck 230 is characterized in that the second perforation 231 is formed wider than the first perforation 211.
- the dry separator 1000 may have first corners 212, second corners 213, third corners 214, and fourth corners in the order in which the corners of the first deck 210 are positioned high.
- a first ripple 250 arranged between an upper end of the second corner 213 and an upper end of the fourth corner 215;
- a second ripple 260 arranged between an upper end of the first corner 212 and an upper end of the third corner 214;
- a blocking wall 270 surrounding between an upper end of the first corner 212 and an upper end of the second corner 213.
- the vibrator 500 is an angle adjusting plate 510 hinged to one side of the horizontal direction of the first deck 210 and the vibration member is installed on the angle adjusting plate 510 to apply a vibration in the horizontal direction ( 520).
- the vibration unit 500 is a piston 550 for periodically generating a vibration by applying a pushing force in the horizontal direction to the first deck 210, and a crank shaft for reciprocating the piston in the horizontal direction ( 560).
- the dry separator 1000 may have first corners 212, second corners 213, third corners 214, and fourth corners in the order in which the corners of the first deck 210 are positioned high.
- the fourth corner 215 is formed between the upper end of the fourth corner 215 and the upper end of the third corner 214 by the first partition wall 280 and the second partition wall 290. Particles having a small specific gravity among the separation objects supplied to the first deck 210 and partitioned into a first discharge space 216 adjacent to the second discharge space 217 adjacent to the third corner 214. Is discharged to the first discharge space 216, and particles having a relatively high specific gravity are discharged to the second discharge space 217.
- the smallest specific gravity particles having the highest flow force by vibrating the first deck 210 in the horizontal direction by the vibrator 500 are the second corner 213 along the guide 220.
- Is discharged between the fourth corner 215 and the second smallest specific gravity is discharged between the third corner 214 and the fourth corner 215, the first adjacent to the fourth corner 215 Particles discharged into the discharge space 216 and the third smallest specific gravity is discharged between the third corner 214 and the fourth corner 215, but has a lower flow force than the particle having the highest specific gravity, the third The second discharge space 217 adjacent to the corner 214 is discharged, and the particle having the largest specific gravity is discharged between the first corner 212 and the third corner 214 along the guide 220.
- the first deck 210 is characterized in that the upper surface is formed as a step surface 219.
- the dry separation apparatus 1000 is installed on the upper side of the main body 100, the suction unit 700 for sucking the dust generated in the selection process;
- the dry separator 1000 may satisfy the following equation 1 in a state in which a driving frequency of the air blowing fan 400 is constant and a vibration frequency applied to the first deck 210 is constant.
- the dry separator 1000 may satisfy the following equation 2 in a state in which the vibration frequency applied to the first deck 210 is constant and the amount of separation object supplied per hour of the supply unit 300 is constant.
- the separation object is characterized in that the raw coal grinding.
- Dry separation method is provided inclined toward one side in the front and rear and one side in the left and right direction, the first step of supplying the separation object to the upper surface of the first deck 210 formed with a plurality of perforations 211; A second step in which an air blowing fan 400 blows air into the first perforations 211; And particles having different specific gravity from which the vibrating part 500 has a flow force by air passing through the first perforations 211 of the separation object by applying vibration in the horizontal direction to the first deck 210. And a third step of discharging to the path, wherein the second step includes air blown by the air blowing fan 400 between the first deck 210 and the air blowing fan 400. While passing through the second deck 230 formed with two holes 231 is characterized in that it is divided into a uniform size.
- the second deck 230 is characterized in that the second perforation 231 is formed wider than the first perforation 211.
- first corners 212, second corners 213, third corners 214, and fourth corners 215 are arranged in the order in which the corners of the first deck 210 are positioned high.
- first partition wall 280 and the second partition wall 290 between the upper end of the fourth corner 215 and the upper end of the third corner 214 is adjacent to the fourth corner 215 by the first partition wall 280 and the second partition wall 290.
- the first discharge space 216 and the second discharge space 217 adjacent to the third corner 214, and the vibrator 500 vibrates the first deck 210 in a horizontal direction.
- the smallest specific gravity particles having the highest flow force are discharged between the second corner 213 and the fourth corner 215 along the guide 220 formed on the upper surface of the first deck 210.
- the second small particles are discharged between the third corner 214 and the fourth corner 215, and are discharged into the first discharge space 216 adjacent to the fourth corner 215, and the specific gravity is third. Small particles are formed in the third corner 21 4) and the fourth corner 215 is discharged, but has a flow force lower than the particle having the specific gravity is discharged to the second discharge space 217 adjacent to the third corner 214, the largest specific gravity Particles are discharged between the first corner 212 and the third corner 214 along the guide 220.
- the vibrator 500 is an angle adjusting plate 510 hinged to one side of the horizontal direction of the first deck 210 and the vibration member is installed on the angle adjusting plate 510 to apply a vibration in the horizontal direction ( 520).
- the vibration unit 500 is a piston 550 for periodically generating a vibration by applying a pushing force in the horizontal direction to the first deck 210, and a crank shaft for reciprocating the piston in the horizontal direction ( 560).
- the upper surface of the first deck 210 is formed as the stepped surface 218 so that the particles having the specific gravity are not discharged in the same direction as the particles having the specific gravity. It features.
- the driving frequency of the air blowing fan 400 is constant and the vibration frequency applied to the first deck 210 is characterized in that the following Equation 1 is satisfied.
- the vibration frequency applied to the first deck 210 is constant, and in the first step, the raw coal pulverized powder supply time is constant.
- the separation object is characterized in that the raw coal grinding.
- the dry separation apparatus and the dry separation method according to the present invention have the effect that the particles contained in the separation object are separated from each other dry by the difference in specific gravity, so that a post-treatment process of dehydration and drying is not necessary.
- FIG. 1 is a perspective view of a dry separation apparatus according to the present invention
- Figure 2 is an exploded perspective view of the dry separation apparatus according to the present invention
- Figure 3 is an exploded perspective view of the first deck, the second deck, the frame according to the present invention
- FIG. 5 is a perspective view showing an embodiment 1 of the vibration unit according to the present invention
- Figure 6 is an enlarged perspective view showing a first embodiment of the vibration unit according to the present invention
- FIG. 7 is a perspective view showing a second embodiment of the vibration unit according to the present invention.
- Embodiment 8 is a plan view of Embodiment 1 of a dry separation apparatus according to the present invention.
- FIG. 10 is a plan view of a second embodiment of a dry separation apparatus according to the present invention.
- FIG. 11 is a schematic view of Embodiment 3 of a dry separation apparatus according to the present invention.
- the vertical direction of the drawing is defined as the vertical direction, the horizontal direction in the left and right directions of the drawing, the horizontal direction in the front and rear directions of the drawing, and the horizontal direction in the horizontal and horizontal directions of the drawing.
- FIG. 1 is a perspective view of a dry separation apparatus according to the present invention
- Figure 2 is an exploded perspective view of the dry separation apparatus according to the present invention.
- the dry separator 1000 is the main body 100, the first deck 210, the guide 220, the supply unit 300, the air blowing fan 400 And a vibrator 500.
- the main body 100 is formed in a rectangular parallelepiped shape that becomes wider toward an upper side, and an 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).
- the inclined surface 110 is inclined from the front side to the rear side is preferably formed in an inclined form from left to right, the present invention is not limited to this, the inclined surface 110 is one side in the front and rear direction and one side in the left and right direction. As long as it is inclined form can be applied.
- the support member 120 is configured to support the component seated on the inside of the inclined surface 110, but may be formed in a cylindrical shape, but the present invention is not limited thereto.
- the first deck 210 is formed in a plate shape, and is supported by the support member 120 while being inclined in the inclined direction of the inclined surface 110 to the inside of the inclined surface 110, and a plurality of first perforations. 211 is densely formed in the inclined direction of the inclined surface 110.
- the first deck 210 may be formed of a mesh plate, but the present invention is not limited thereto.
- the guide 220 is referred to as the first corner 212, the second corner 213, the third corner 214, the fourth corner 215 in the order of placing the corners of the first deck 210, respectively high.
- the fourth corner 215 is formed to extend in the direction toward, a plurality of the second corner 213 is arranged in the direction toward the third corner 214 on the upper surface of the first deck 210 Combined.
- the supply unit 300 supplies an object to be separated to an area adjacent to the second corner 213 on the upper surface of the first deck 210.
- the first perforations 211 are preferably formed to have a smaller area than the particles contained in the separation object so that the separation object supplied to the upper surface of the first deck 210 does not penetrate.
- the air blowing fan 400 is installed inside the main body 100 to blow air into the first perforations 211.
- the vibrator 500 may be configured as a vibrator that is hinged to one end of the first deck 210.
- the vibrator 500 applies a vibration in a horizontal direction to the first deck 210, so that an upper surface of the first deck 210 is provided.
- Particles having a small specific gravity that have flow force by the air passing through the first holes 211 among the separation objects supplied to the second and second corners 213 and fourth corners 215 are formed along the guide 220.
- Particles having a relatively high specific gravity serve to be discharged between the first corner 212 and the third corner 214 along the guide 220.
- the dry separation apparatus 1000 has the effect of eliminating the need for a post-treatment process of dehydration and drying by being separated from each other dry by the difference in specific gravity of the separation object.
- the second corner 213 and the fourth corner so that particles having a small specific gravity discharged between the second corner 213 and the fourth corner 215 are guided downward.
- the first guide member 610 installed between the 215 and the first corner 212 so that particles having a relatively high specific gravity discharged between the first corner 212 and the third corner 214 are guided downward.
- a second guide member 620 installed between the third corner 214.
- FIG 3 is an exploded perspective view of the first deck, the second deck, the frame according to the present invention.
- the dry separator 1000 may be blown to the first hole 211 after the air blown from the air blowing fan 400 is divided into a uniform size. It may be configured to further include a second deck 230 and the frame 240.
- the second deck 230 is formed in a plate shape is provided between the first deck 210 and the air blowing fan 400, to divide the air blown from the air blowing fan 400 into a uniform size
- a plurality of second perforations 231 are formed densely.
- the second perforation 231 is formed to have a larger area than the first perforation 211 so that the air blown from the air blowing fan 400 can pass smoothly.
- the frame 240 is formed in a plate shape opened in the vertical direction, the first deck 210 and the second deck 230 is fitted on the upper and lower surfaces, respectively, so that the inclined surface ( It is mounted inclined in the inclined direction of 110.
- the sorting apparatus further comprises a second deck 230 and the frame 240, so that the air blown from the air blowing fan 400 is uniform through the second perforations 231. There is an effect that is supplied to the first perforation 211 after being divided into one size.
- particles having a small specific gravity among the separation objects supplied to the upper surface of the first deck 210 are made of air of uniform size passing through the first perforations 211, and the upper surface of the first deck 210.
- Each area distributed at has a uniform force of flow.
- the dry separation apparatus 1000 may further include a first ripple 250, a second ripple 260, and a blocking wall 270.
- the first ripple 250 is arranged between an upper end of the second corner 213 and an upper end of the fourth corner 215 and is discharged between the second corner 213 and the fourth corner 215. Particles with a small specific gravity become guided in one direction.
- the first ripple 250 guides particles having a specific gravity in a direction toward the fourth corner 215 is illustrated, but the present invention is not limited thereto.
- the second ripple 260 is arranged between the upper end of the first corner 212 and the upper end of the third corner 214, and discharged between the first corner 212 and the third corner 214. Particles having a relatively high specific gravity are guided in one direction. In the drawing, an embodiment in which the second ripple 260 guides particles having a relatively high specific gravity toward the third corner 214 is illustrated, but 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 separation object supplied to the upper surface of the first deck 210 is the first object. It serves to block the scramble between the corner 212 and the second corner (213).
- the supply unit 300 supplies an object to be separated to an area adjacent to the second corner 213 on the upper surface of the first deck 210. At this time, the object to be separated does not rush between the first corner 212 and the second corner 213 by the blocking wall 270.
- the air blowing fan 400 blows air to the second perforations 231.
- the air blown by the air blowing fan 400 is divided into a uniform size in the second perforations 231, and then blown to the first perforation 211.
- the particles contained in the separation object supplied to the first deck 210 has a high flow force in the order of low specific gravity.
- the particles contained in the separation object have different flow forces according to specific gravity, and the particles having a small specific gravity have large flow forces and large specific gravity particles. Has a small flow force.
- the particle having the smallest specific gravity is shown in a circle, and the particle having the second smallest specific gravity is shown in a circle combined with a triangle on the surface.
- the smallest specific gravity particles are shown as triangles with circles bound to the surface, and the largest specific particles are shown as triangles.
- the vibrator 500 applies the horizontal vibration to the first deck 210 so that the smallest specific gravity particles are along the guide 220 and the second corner 213 and the fourth corner 215.
- the second smallest specific gravity passes over the guide 220 and is discharged to a portion closer to the fourth corner 215 between the third corner 214 and the fourth corner 215.
- the third smallest specific gravity particles are discharged to the place close to the third corner 214 between the third corner 214 and the fourth corner 215 beyond the guide 220, the specific gravity is the most Large particles are discharged between the first corner 212 and the third corner 214 along the guide 220.
- the first ripple 250 serves to promptly discharge the particles having a small specific gravity discharged between the second corner 213 and the fourth corner 215 from the upper surface of the first deck 210.
- the second ripple 260 serves to promptly discharge particles having a relatively large specific gravity discharged between the first corner 212 and the third corner 214 from the upper surface of the first deck 210.
- the energy consumption may be reduced by increasing the sorting throughput of the separation object supplied to the upper surface of the first deck 210.
- the dry separation apparatus 1000 may not only select a separation object by using a specific gravity difference, but also have an effect of selecting two or more particles having different specific gravity by using a specific gravity difference. .
- FIG 5 is a perspective view showing an embodiment 1 of the vibration unit according to the present invention
- Figure 6 is an enlarged perspective view showing an embodiment 1 of the vibration unit according to the present invention.
- Embodiment 1 of the vibration unit 500 according to the present invention is configured to include an angle adjustment plate 510, and a vibration member 520.
- One end of the angle control plate 510 is hinged to one horizontal side surface of the first deck 210 to form a predetermined angle with one horizontal side surface of the first deck 210.
- one end of the angle adjusting plate 510 is freely rotated so that a predetermined angle of one end of the angle adjusting plate 510 and one horizontal surface of the first deck 210 may be freely adjusted.
- the vibration member 520 may be configured as a vibrator, and is installed on one side of the angle control plate 510 to apply vibration in a horizontal direction.
- one end of the angle adjusting plate 510 and the horizontal one side of the first deck 210 is adjusted to a predetermined angle formed by the vibration member 520 is the first through the angle adjusting plate 510. Vibration direction applied to the deck 210 can be adjusted.
- a long hole 511 is further formed in the angle adjusting plate 510 so that the angle adjusting plate 510 may be fixed at a specific position.
- a pair of fixing nuts 540 may be further included.
- the long hole 511 is formed by drilling a predetermined portion toward the one end from the other end of the angle adjustment plate 510.
- One end of the long bolt 530 is coupled to one side of the first deck 210 in the horizontal direction, and the other end is inserted into the long hole 511 to support the other end of the angle control plate 510.
- the pair of fixing nuts 540 are screwed to one side and the other side of the long bolt 530 with the angle adjusting plate 510 interposed therebetween, and one side predetermined area and the other side of the angle adjusting plate 510.
- the angle adjusting plate 510 is fixed at a specific position by tightly fixing a predetermined area.
- FIG. 7 is a perspective view showing a second embodiment of the vibration unit according to the present invention.
- the second embodiment of the vibrator 500 applies a pushing force to the first deck 210 in a horizontal direction to generate a vibration and the piston 550. It may be composed of a crankshaft 560 coupled to.
- the separation object supplied to the upper surface of the first deck 210 is subjected to vibration only by the force pushing in the horizontal direction by the piston 550 so that the particles contained in the separation object collide with each other to reduce the probability of breakage. do.
- FIG 8 is a plan view of Embodiment 1 of a dry separation apparatus according to the present invention
- Figure 9 is an operation of Embodiment 1 of the dry separation apparatus according to the present invention.
- the first partition wall 280 is disposed between the upper end of the fourth corner 215 and the upper end of the third corner 214. And a second discharge space 217 adjacent to the fourth corner 215 and a second discharge space 217 adjacent to the third corner 214 by the 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 an upper end of the fourth corner 215. At this time, the first partition wall 280 has a lower end may be hinged to the upper end of the fourth corner 215.
- the second partition wall 290 is formed in the 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. Is coupled to. In this case, the second partition wall 290 may have a lower end hinged between the upper end of the fourth corner 215 and the upper end of the third corner 214.
- the vibrating unit 500 has the smallest specific gravity that has the highest flow force by applying a vibration in the horizontal direction to the first deck (210) Particles discharged between the second corner 213 and the fourth corner 215 along the guide 220, and the second smallest specific gravity exceeds the guide 220 and the third corner 214 and the third corner.
- the particles are discharged between the four corners 215, and the particles having the third smallest specific gravity exceed the guide 220 and are discharged between the third corner 214 and the fourth corner 215, and the particles having the highest specific gravity are the It is discharged between the first corner 212 and the third corner 214 along the guide 220.
- particles having the second smallest specific gravity are discharged between the third corner 214 and the fourth corner 215, but are discharged to the first discharge space 216 adjacent to the fourth corner 215.
- the third smallest specific gravity is discharged between the third corner 214 and the fourth corner 215, but has a lower flow force than the particle having the highest specific gravity to be adjacent to the third corner 214 It is discharged to the second discharge space 217.
- the specific gravity discharged to the first discharge space 216 has the second smallest amount of the selected amount. I can regulate it.
- Embodiment 10 is a plan view of Embodiment 2 of a dry separation apparatus according to the present invention.
- the first deck 210 has an upper surface such that particles having a relatively high specific gravity among the objects to be separated do not move in a direction toward the first corner 212 and the third corner 214.
- the fourth corner 215 may be formed as a stepped surface 219 which is stepped in the direction toward the first corner 212.
- Embodiment 11 is a side view of Embodiment 3 of a dry separation apparatus according to the present invention.
- the third embodiment of the dry separation apparatus 1000 according to the present invention is installed on the upper side of the main body 100 to suck dust generated in the process of sorting the particles contained in the separation object. It may be configured to further include a suction unit (700).
- the suction unit 700 may be configured as a vacuum inhaler, but the present invention is not limited thereto.
- the dry separator 1000 according to the present invention is characterized in that the driving frequency of the air blowing fan 400 is constant and the vibration frequency applied to the first deck 210 satisfies Equation 1 below. It is done.
- the dry separator 1000 may satisfy the following equation 2 in a state in which the vibration frequency applied to the first deck 210 is constant and the amount of separation object supplied per hour of the supply unit 300 is constant.
- Dry separation method is provided inclined toward one side in the front and rear direction and one side in the left and right direction, the first step of supplying the separation object to the upper surface of the first deck 210 formed with a plurality of perforations 211; A second step in which an air blowing fan 400 blows air into the first perforations 211; And particles having different specific gravity from which the vibrating part 500 has a flow force by the air passing through the first perforations 211 of the separation object by applying vibration in the horizontal direction to the first deck 210. And a third step of discharging to the path.
- the second step is a second deck in which the air blown from the air blowing fan 400 is provided between the first deck 210 and the air blowing fan 400 and a plurality of second holes 231 are formed. It is characterized by being divided into a uniform size while passing through (230).
- the second deck 230 is characterized in that the second perforation 231 is formed wider than the first perforation 211.
- the third step is characterized in that the particles having different specific gravity are discharged through different paths along the guide 220 is coupled to the upper surface of the first deck (210).
- the vibrator 500 is an angle adjusting plate 510 hinged to one side of the horizontal direction of the first deck 210 and the vibration member is installed on the angle adjusting plate 510 to apply a vibration in the horizontal direction ( 520).
- the vibration unit 500 is a piston 550 for periodically generating a vibration by applying a pushing force in the horizontal direction to the first deck 210, and a crank shaft for reciprocating the piston in the horizontal direction ( 560).
- the first deck 210 is characterized in that the upper surface is formed as a step surface 219.
- the upper surface of the first deck 210 is formed as the stepped surface 219 so that the specific gravity of the particles having different specific gravity does not discharge in the same direction with the small specific gravity. It features.
- the driving frequency of the air blowing fan 400 is constant and the vibration frequency applied to the first deck 210 is characterized in that the following Equation 1 is satisfied.
- the vibration frequency applied to the first deck 210 is constant, and in the first step, the raw coal pulverized powder supply time is constant.
- the separation object was selected as a raw coal pulverized product.
- the quality of the coal is evaluated by the amount of fixed carbon and ash contained in the coal.
- the high quality of fixed coal and low ash content is evaluated as high quality coal.
- the content of fixed carbon and ash is inversely related to each other. That is, if the content of fixed carbon is high, the content of ash is low, and if the content of fixed carbon is low, the content of ash is high.
- the inclined surface 110 of the main body 100 is placed at an inclination angle of 3.5 degrees in the front-rear direction and an inclination angle of 5.5 degrees in the left-right direction, and has a particle size (Size) of 1 x 5 mm, ash ( Ash)
- Size particle size of 1 x 5 mm
- Ash ash
- the ash content of coal was reduced from 61.72%, which is the ash content of the first raw coal, to 32.82%, thereby achieving an ash removal rate of about 60.8%.
- the calorie of coal was also increased from 2850 cal / g, which is calorie of the first raw coal, to 4690 cal / g.
- the dry separation apparatus 1000 is capable of removing gangue contained in the raw coal pulverized product by simply selecting specific gravity, and does not require a post-treatment facility for drying and dehydration.
- the inclined surface 110 of the main body 100 is set at an inclination angle of 3.5 degrees in the front and rear directions and an inclination angle of 5.5 degrees in the left and right directions, and a driving frequency of the air blowing fan 400.
- the dry separator 1000 uses the following equation 1 in a state in which the driving frequency of the air blowing fan 400 is constant and the vibration frequency applied to the first deck 210 is constant. Satisfied.
- the correlation coefficient (Correlation coffecient) was calculated for the numerical values of Table 2 and Equation 1, and the correlation coefficient (R 2 ) had a high correlation of 0.9013.
- the inclined surface 110 of the main body 100 is placed at an inclination angle of 3.5 degrees in the front and rear directions and an inclination angle of 5.5 degrees in the left and right directions, and the vibration applied to the first deck 210.
- the frequency constant the raw coal pulverized product was selected while changing the driving frequency of the air blowing fan 400 in a state in which the raw coal pulverized product feed amount was constant at a time. same.
- the dry separator 1000 has the following vibration equation in which the vibration frequency applied to the first deck 210 is constant and the raw coal pulverized powder supply amount of the raw coal supplier 300 is constant. 2 was satisfied.
- the correlation coefficient (Correlation coffecient) was calculated for the numerical values of Table 3 and Equation 2, and the correlation coefficient (R 2 ) had a high correlation of 0.9178.
- the inclined surface 110 of the main body 100 is set at an inclination angle of 3.5 degrees in the front and rear directions and an inclination angle of 5.5 degrees in the left and right directions, and the air blowing fan 400 is driven.
- the frequency constant the raw coal pulverized product was selected while changing the vibration frequency of the air blowing fan 400 in a state in which the raw coal pulverized product feed amount was constant at a time. same.
- Table 4 Drive frequency of the air blowing fan (Hz) Raw coal crushed powder supply per hour (ton / hour) Vibration frequency of the 1st deck (Hz) % Recovery of combustibles contained in the raw coal comminute 50 2.5 30 67.57 50 2.5 35 68.60 50 2.5 40 68.70 50 2.5 45 82.00 50 2.5 50 81.71 50 2.5 55 72.44 50 2.5 60 69.49
- the dry separator 1000 has a constant driving frequency of the air blowing fan 400 and the raw coal pulverized powder supply amount per hour of the raw coal supply unit 300 is constant according to Equation 3 below. Was satisfied.
- CR -0.0447 TF 2 + 4.2 145 TF-21.674 (where CR is the recovery rate of the flammable material contained in the raw coal pulverization and TF is the vibration frequency of the first deck 210)
- the correlation coefficient (Correlation coffecient) was calculated for the numerical values of Table 4 and Equation 3, and the correlation coefficient (R 2 ) was 0.5491, which was somewhat low.
- first puncher 212 first corner
- Second corner 214 Third corner
- first partition wall 290 second partition wall
- angle control plate 511 long hole
- first guide member 620 second guide member
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- Combined Means For Separation Of Solids (AREA)
Abstract
Description
시료 | 산물 | 생산율(Wt%) | 회분(Ash%) | 고정탄소(F.C%) | 열량(Cal/g) | 회분 제거율(%) | 가연성 물질 회수율(%) |
제1원탄 | 정탄 | 51 | 32.82 | 58.2 | 4797 | 75.24 | 81.71 |
정탄과 맥석혼합물 | 30 | 48.70 | 44.7 | 3780 | |||
맥석 | 19 | 86.90 | 5.75 | 1090 | |||
제2원탄 | 정탄 | 30 | 35.30 | 63.3 | 4689 | 67.66 | 82 |
정탄과 맥석혼합물 | 25 | 40.50 | 53.4 | 4485 | |||
맥석 | 45 | 83.87 | 8.78 | 1380 |
공기송풍팬의 구동 주파수(Hz) | 제1데크의 진동 주파수(Hz) | 원탄공급부의 시간당 원탄 분쇄물 공급량(ton/hour) | 원탄 분쇄물에 함유된 가연성 물질 회수율(%) |
50 | 45 | 2 | 81.71 |
50 | 45 | 2.5 | 82.00 |
50 | 45 | 3 | 72.44 |
50 | 45 | 3.5 | 69.49 |
50 | 45 | 4 | 68.70 |
50 | 45 | 4.5 | 68.60 |
50 | 45 | 5 | 67.57 |
50 | 45 | 5.5 | 58.03 |
50 | 45 | 6 | 57.99 |
제1데크의 진동 주파수(Hz) | 원탄공급부의 시간당 원탄 분쇄물 공급량(ton/hour) | 공기송풍팬의 구동 주파수(Hz) | 원탄 분쇄물에 함유된 가연성 물질 회수율(%) |
45 | 2.5 | 30 | 67.57 |
45 | 2.5 | 35 | 68.60 |
45 | 2.5 | 40 | 68.70 |
45 | 2.5 | 45 | 69.49 |
45 | 2.5 | 50 | 72.44 |
45 | 2.5 | 55 | 81.71 |
45 | 2.5 | 60 | 82.00 |
공기송풍팬의 구동 주파수(Hz) | 원탄공급부의 시간당 원탄 분쇄물 공급량(ton/hour) | 제1데크의 진동 주파수(Hz) | 원탄 분쇄물에 함유된 가연성 물질 회수율(%) |
50 | 2.5 | 30 | 67.57 |
50 | 2.5 | 35 | 68.60 |
50 | 2.5 | 40 | 68.70 |
50 | 2.5 | 45 | 82.00 |
50 | 2.5 | 50 | 81.71 |
50 | 2.5 | 55 | 72.44 |
50 | 2.5 | 60 | 69.49 |
Claims (21)
- 상면이 전후방향 일측과 좌우방향 일측으로 경사진 경사면(110)으로 형성되고 상기 경사면(110)이 개구된 본체(100);상기 경사면(110)의 내측에 안착되며 다수의 제1타공(211)이 형성되는 제1데크(210);상기 제1데크(210)의 상면에 결합되는 다수의 가이드(220);상기 제1데크(210)의 상면으로 분리대상물을 공급하는 공급부(300);상기 본체(100)의 내부에 설치되며 상기 제1타공(211)에 공기를 송풍하는 공기송풍팬(400); 및상기 제1데크(210)에 수평방향의 진동을 가하여 분리대상물 중 비중이 큰 입자와 비중이 작은 입자가 서로 다른 경로로 배출되게 하는 진동부(500);를 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 제1데크(210)와 공기송풍팬(400) 사이에 구비되며, 상기 공기송풍팬(400)에서 송풍된 공기를 균일한 크기로 분할하는 다수의 제2타공(231)이 형성되는 제2데크(230); 및상면 및 하면에 각각 상기 제1데크(210) 및 제2데크(230)가 끼워져서 상기 경사면(110)의 내측에 상기 경사면(110)의 경사방향으로 경사지게 안착되는 틀(240);을 더 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제2항에 있어서, 상기 제2데크(230)는상기 제2타공(231)이 상기 제1타공(211)보다 넓게 형성되는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 제1데크(210)의 코너들을 각각 높게 위치하는 순으로 제1코너(212), 제2코너(213), 제3코너(214), 제4코너(215)라고 할 때, 상기 제2코너(213)의 상단과 제4코너(215)의 상단 사이에 배열되는 제1리플(250);상기 제1코너(212)의 상단과 제3코너(214)의 상단 사이에 배열되는 제2리플(260); 및상기 제1코너(212)의 상단과 제2코너(213)의 상단 사이를 둘러싸는 차단벽(270);을 더 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 진동부(500)는상기 제1데크(210)의 수평방향 일측면에 힌지 결합되는 각도조절판(510)과, 상기 각도조절판(510)에 설치되어 수평방향의 진동을 가하는 진동부재(520)를 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 진동부(500)는상기 제1데크(210)에 수평방향의 미는 힘을 주기적으로 가하여 진동이 발생하게 하는 피스톤(550)과, 상기 피스톤이 수평방향으로 왕복이동되게 하는 크랭크축(560)을 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 제1데크(210)의 코너들을 각각 높게 위치하는 순으로 제1코너(212), 제2코너(213), 제3코너(214), 제4코너(215)라고 할 때,상기 제4코너(215)의 상단과 제3코너(214)의 상단 사이가 제1구획벽(280)과 제2구획벽(290)에 의해 상기 제4코너(215)에 인접하는 제1배출공간(216)과 상기 제3코너(214)에 인접하는 제2배출공간(217)으로 구획되고,상기 제1데크(210)에 공급된 분리대상물 중 비중이 작은 입자가 상기 제1배출공간(216)으로 배출되고, 비중이 상대적으로 큰 입자가 상기 제2배출공간(217)으로 배출되는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 제1데크(210)는상면이 단차면(218)으로 형성되는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 본체(100)의 상측에 설치되어 선별과정에서 발생하는 먼지를 흡입하는 흡입부(700);를 더 포함하는 것을 특징으로 하는 건식분리장치(1000).
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 공기송풍팬(400)의 구동주파수가 일정하고 상기 제1데크(210)에 가해진 진동주파수가 일정한 상태에서 하기 수학식 1을 만족하는 것을 특징으로 하는 건식분리장치(1000).<수학식 1>CR = 0.2173FR2 - 7.6525FR + 96.385 (단, CR은 분리대상물에 함유된 회수대상 입자 회수율, FR은 상기 공급부(300)의 시간당 분리대상물 공급량, FR = 2 ~ 6 )
- 제1항에 있어서, 상기 건식분리장치(1000)는상기 제1데크(210)에 가해진 진동주파수가 일정하고 상기 공급부(300)의 시간당 분리대상물 공급량이 일정한 상태에서 하기 수학식 2를 만족하는 것을 특징으로 하는 건식분리장치(1000).<수학식 2>CR = 0.0221ABF2 - 1.4684ABF + 91.983 (단, CR은 분리대상물에 함유된 회수대상 입자 회수율, ABF는 상기 공기송풍팬(400)의 구동주파수, ABF = 30 ~ 60)
- 제1항 내지 제11항 중 선택되는 어느 한 항에 있어서, 상기 분리대상물은원탄 분쇄물인 것을 특징으로 하는 건식분리장치(1000).
- 전후방향 일측과 좌우방향 일측으로 경사지게 구비되며 다수의 타공(211)이 형성된 제1데크(210)의 상면으로 분리대상물을 공급하는 제1단계;공기송풍팬(400)이 상기 제1타공(211)에 공기를 송풍하는 제2단계; 및진동부(500)가 상기 제1데크(210)로 수평방향의 진동을 가하여 분리대상물 중 상기 제1타공(211)들을 통과한 공기에 의해 유동력을 갖게 된 비중이 서로 다른 입자가 서로 다른 경로로 배출되는 제3단계;를 포함하며,상기 제2단계는 상기 공기송풍팬(400)에서 송풍된 공기가 상기 제1데크(210)와 공기송풍팬(400) 사이에 구비되며 다수의 제2타공(231)이 형성된 제2데크(230)를 통과하면서 균일한 크기로 분할되는 것을 특징으로 하는 건식분리방법.
- 제13항에 있어서, 상기 제2데크(230)는상기 제2타공(231)이 상기 제1타공(211)보다 넓게 형성되는 것을 특징으로 하는 건식분리방법.
- 제13항에 있어서, 상기 제3단계는상기 제1데크(210)의 코너들을 각각 높게 위치하는 순으로 제1코너(212), 제2코너(213), 제3코너(214), 제4코너(215)라고 할 때,상기 제4코너(215)의 상단과 제3코너(214)의 상단 사이가 제1구획벽(280)과 제2구획벽(290)에 의해 상기 제4코너(215)에 인접하는 제1배출공간(216)과 상기 제3코너(214)에 인접하는 제2배출공간(217)으로 구획되고,상기 진동부(500)가 상기 제1데크(210)에 수평방향의 진동을 가하여 제일 높은 유동력을 갖게 된 비중이 제일 작은 입자는 상기 제1데크(210)의 상면에 형성된 가이드(220)를 따라 상기 제2코너(213)와 제4코너(215) 사이로 배출되고, 비중이 두 번째로 작은 입자는 상기 제3코너(214)와 제4코너(215) 사이로 배출되되, 상기 제4코너(215)에 인접하는 제1배출공간(216)으로 배출되며, 비중이 세 번째로 작은 입자는 상기 제3코너(214)와 제4코너(215) 사이로 배출되되, 비중이 제일 큰 입자보다 낮은 유동력을 갖게되어 상기 제3코너(214)에 인접하는 제2배출공간(217)으로 배출되며, 비중이 제일 큰 입자는 상기 가이드(220)를 따라 상기 제1코너(212)와 제3코너(214) 사이로 배출되는 것을 특징으로 하는 건식분리방법.
- 제13항에 있어서, 상기 진동부(500)는상기 제1데크(210)의 수평방향 일측면에 힌지 결합되는 각도조절판(510)과, 상기 각도조절판(510)에 설치되어 수평방향의 진동을 가하는 진동부재(520)를 포함하는 것을 특징으로 하는 건식분리방법.
- 제13항에 있어서, 상기 진동부(500)는상기 제1데크(210)에 수평방향의 미는 힘을 주기적으로 가하여 진동이 발생하게 하는 피스톤(550)과, 상기 피스톤이 수평방향으로 왕복이동되게 하는 크랭크축(560)을 포함하는 것을 특징으로 하는 건식분리방법.
- 13항에 있어서, 상기 제3단계는비중이 서로 다른 입자 중, 비중이 큰 입자가 비중이 작은 입자와 서로 같은 방향으로 배출되지 않도록 상기 제1데크(210)의 상면이 단차면(218)으로 형성되는 것을 특징으로 하는 건식분리방법.
- 제13항에 있어서, 상기 제3단계는상기 공기송풍팬(400)의 구동주파수가 일정하고 상기 제1데크(210)에 가해진 진동주파수가 일정한 상태에서 하기 수학식 1을 만족하는 것을 특징으로 하는 건식분리방법.<수학식 1>CR = 0.2173FR2 - 7.6525FR + 96.385 (단, CR은 분리대상물에 함유된 회수 대상입자 회수율, FR은 상기 제1단계에서 시간당 분리대상물 공급량, FR = 2 ~ 6 )
- 제13항에 있어서, 상기 제3단계는상기 제1데크(210)에 가해진 진동주파수가 일정하고 상기 제1단계에서 시간당 원탄 분쇄물 공급량이 일정한 상태에서 하기 수학식 2를 만족하는 것을 특징으로 하는 건식분리방법.<수학식 2>CR = 0.0221ABF2 - 1.4684ABF + 91.983 (단, CR은 분리대상물에 함유된 회수 대상입자 회수율, ABF는 상기 공기송풍팬의 구동주파수, ABF = 30 ~ 60)
- 제13항 내지 제20항 중 선택되는 어느 한 항에 있어서, 상기 분리대상물은 원탄 분쇄물인 것을 특징으로 하는 건식분리방법.
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CN113305008A (zh) * | 2021-06-10 | 2021-08-27 | 安徽理工大学 | 一种煤矸石分拣设备 |
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AU2013385726B2 (en) * | 2013-04-05 | 2016-09-01 | Korea Institute Of Geoscience And Mineral Resources | Dry separation apparatus and dry separation method |
US10409964B2 (en) * | 2015-11-04 | 2019-09-10 | Screening Room Media, Inc. | Pairing devices to prevent digital content misuse |
CN106391462B (zh) * | 2016-11-14 | 2020-01-21 | 孙培道 | 一种空心胶囊剔除装置 |
JP7194412B2 (ja) | 2018-04-04 | 2022-12-22 | 学校法人加計学園 | 乾式分離装置及び乾式分離方法 |
CN115069543B (zh) * | 2022-07-14 | 2023-09-29 | 河南省科学院应用物理研究所有限公司 | 一种煤矸石智能分选装置 |
CN115406184A (zh) * | 2022-08-30 | 2022-11-29 | 衡阳中豪科技有限公司 | 一种注塑用颗粒干燥机 |
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AU2013385726B2 (en) | 2016-09-01 |
AU2013385726A1 (en) | 2015-01-29 |
US9950343B2 (en) | 2018-04-24 |
US20170113251A1 (en) | 2017-04-27 |
US9566614B2 (en) | 2017-02-14 |
US20160023246A1 (en) | 2016-01-28 |
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