WO2020250628A1 - 粒子搬送用シュート管 - Google Patents
粒子搬送用シュート管 Download PDFInfo
- Publication number
- WO2020250628A1 WO2020250628A1 PCT/JP2020/019761 JP2020019761W WO2020250628A1 WO 2020250628 A1 WO2020250628 A1 WO 2020250628A1 JP 2020019761 W JP2020019761 W JP 2020019761W WO 2020250628 A1 WO2020250628 A1 WO 2020250628A1
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- WIPO (PCT)
- Prior art keywords
- particles
- chute
- particle
- chute tube
- transport
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 170
- 238000003672 processing method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 238000005315 distribution function Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011850 desserts Nutrition 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/08—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation
- B65G11/083—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation for bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/08—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/08—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation
- B65G11/085—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations
- B65G11/088—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations for bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
- B65G11/206—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/72—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices transferring materials in bulk from one conveyor to several conveyors, or vice versa
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/16—Preventing pulverisation, deformation, breakage, or other mechanical damage to the goods or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/042—Granular material
Definitions
- the present invention relates to a particle transporting chute tube, a particle transporting device including the particle transporting chute tube, and a particle processing method using the particle transporting device in some aspects thereof.
- FIG. 4 of Japanese Patent No. 5840870 shows a transport unit 6 for transporting hydrogenated petroleum resin pellets including a chute 61, a conveyor 62, and a bucket conveyor. It is described that the chute 61 is inclined in the range of 44 degrees to 75 degrees with respect to the horizontal plane, and that a plurality of cushioning plates 64 are attached.
- Japanese Patent Application Laid-Open No. 60-36207 describes a gutter-shaped transport device including a transport chute arranged in a downward inclination from one end to the other end, and has a plurality of steps on the transport surface of the transport chute. Described is an invention of a transport device formed at predetermined intervals in the transport direction.
- the transport surface of the transport chute of this transport device has a V-shaped cross section, and by combining it with a plurality of steps, friction during transport can be reduced, which is specialized for transporting frozen desserts with sticks. It has become.
- the present invention comprises a particle transport chute tube, a particle transport device including the particle transport chute tube, and the particle transport device that can be used for particle transport and distribution operations.
- An object of the present invention is to provide a particle processing method used.
- the present invention is, in one embodiment, a particle transport chute tube.
- An injection chute tube having a particle input port and It is located at a position lower in the vertical direction than the chute tube for loading, and is arranged at a different position in the horizontal direction, and has one or more functions selected from a particle distribution function, a particle classification function, and a particle transport function.
- the intermediate chute tube has a stepless groove formed from a combination of a first inclined surface and a second inclined surface.
- a particle transport chute tube in which the groove has a cross-sectional shape corresponding to two adjacent sides of a triangle.
- the present invention provides a particle transfer device including the particle transfer chute tube, which can transfer particles and perform processing according to the function of the subsequent equipment.
- the present invention provides, in yet another embodiment, a method for processing particles using the particle transporting device.
- the subsequent equipment can be a divider for distributing particles, a sieve for classifying particles or a conveyor for transporting particles, or a combination thereof.
- the treatment method is a first step of charging the particles into the chute tube for transporting the particles, and the particles are sent to the divider, the sieve or the conveyor via the intermediate chute tube, and a desired ratio amount is sent to a plurality of transport tubes. It is possible to have a second step of distributing the particles, classifying the particles, or transporting the particles, and when the particles pass through the intermediate chute tube in the second step, the total amount of the particles is first tilted.
- the chute tube may be arranged so that the groove is located on the lower side in the vertical direction.
- the particle transport chute tube of the present invention can collectively transport particles in a narrow flow by the action of the intermediate chute tube, it can be easily distributed at a desired ratio in a divider, for example, and can be used in subsequent equipment such as a sieve or a conveyor. By introducing the particles evenly, the performance of the subsequent equipment can be appropriately exhibited. Further, the particle transfer device including the particle transfer chute tube of the present invention can appropriately perform particle transfer and processing according to the function of the subsequent equipment. Further, in the particle processing method using such a particle transfer device, processing such as particle distribution, classification or transportation can be appropriately and easily performed without causing problems such as particle damage.
- FIG. 1 Top view of a particle transport and distribution device according to one exemplary embodiment, including a particle transport chute tube of the present invention.
- FIGS. 2 (a) to 2 (c) show exemplary embodiments having different cross-sectional shapes.
- FIG. 3A is a plan sectional view when a straightening vane is installed on the intermediate chute tube having a cross-sectional shape of FIG. 2A
- FIG. 3B is a sectional view in the width direction of FIG. 3A.
- FIG. 1 A plan sectional view of an intermediate chute tube having a different arrangement form of the rectifying plate from FIG.
- the chute tube 1 has a charging chute tube 10, an intermediate chute tube 20, and a discharging chute tube 35.
- the intermediate chute pipe 20 is indispensable, and the input chute pipe 10 and the discharge chute pipe 35 are optional in combination with the intermediate chute pipe 20 according to the height difference between the equipment connected by the chute pipe 1.
- the material of the chute tube 1 is not particularly limited, and a metal such as stainless steel, a synthetic resin, or the like can be used, but stainless steel is preferable in some examples.
- the size of the chute tube 1 and the thickness of the tube wall are not particularly limited, and can be appropriately adjusted according to the flow rate of the particles to be conveyed and the required strength.
- the type of particles to be conveyed and distributed in the chute tube 1 is not particularly limited, and may be an organic substance or an inorganic substance.
- spherical particles or particles having a particle size in the range of 0.5 mm to 10 mm in another example, particles having a particle size in the range of 0.5 to 5 mm can be targeted.
- the particles can be hygroscopic particles.
- the chute tube 1 can be applied to transport urea particles.
- the urea particles can be substantially in the range of 0.5-5 mm particle size.
- the upper part of the charging chute tube 10 has a charging port 11 for charging particles to be conveyed and distributed.
- the charging port 11 can use the opening at the end of the charging chute tube 10 as a charging port, and the end opening can be expanded or funnel-shaped as necessary to facilitate the charging of particles. It is also possible to attach another member of. When the insertion port 11 is a separate member, the insertion port 11 may be fixed to the insertion chute tube 10 or may be removable.
- the cross-sectional shape of the charging chute tube 10 in the width direction is not particularly limited as long as it can be connected to the intermediate chute tube 20. According to some examples, this cross-sectional shape is preferably quadrangular in production.
- the charging chute tube 10 is arranged so that the central axis in the longitudinal direction of the tube is in the vertical direction (X direction in FIG. 1), but the central axis is in the oblique direction (with respect to the X direction in FIG. 1). It may be arranged so as to be diagonally).
- the length of the charging chute tube 10 may be a length adjusted according to the height difference between the equipment connected by the chute tube 1, and in some examples, is sufficiently longer than the length of the intermediate chute tube 20. It is preferably short. In the drawings, each member does not necessarily reflect the actual size.
- the charging port 11 is connected to the intermediate chute pipe 20.
- the mode and configuration of the connection may be the same as when the charging port 11 is connected to the charging chute tube 10.
- the discharge chute pipe 35 is located at a position lower in the vertical direction than the charging chute pipe 10, and is in the horizontal direction with the charging chute pipe 10 (Y direction in FIG. 1, X). They are placed at different positions in the direction perpendicular to the direction).
- the discharge chute pipe 35 is arranged so that the central axis in the longitudinal direction of the pipe is in the vertical direction (X direction in FIG. 1), but the central axis is in the oblique direction (in FIG. 1). It may be arranged so as to be diagonal to the X direction).
- the cross-sectional shape of the discharge chute pipe 35 in the width direction may be any shape as long as it can be connected to the intermediate chute pipe 20 and the divider 40. According to some examples, this cross-sectional shape is preferably quadrangular in production.
- the length of the discharge chute pipe 35 may be a length adjusted according to the height difference between the equipments connected by the chute pipe 1, and in some examples, is sufficiently longer than the length of the intermediate chute pipe 20. It is preferably short.
- the discharge chute tube 35 can be connected to a divider 40 having a particle distribution function in the particle transfer and distribution device as shown in FIG.
- the divider 40 can be connected to the intermediate chute pipe 20.
- the intermediate chute pipe 20 is connected to the divider 40 via the discharge chute pipe 35, but in other embodiments, the intermediate chute pipe 20 is directly connected to the discharge chute pipe 35. It can be connected to a sieve having a particle classification function. In another embodiment, the intermediate chute tube 20 may be connected directly or via a discharge chute tube 35 to various subsequent equipment, such as a conveyor having a particle transport function. In still another embodiment, a plurality of facilities such as a divider 40, a sieve, and a conveyor can be combined and used as subsequent facilities.
- the intermediate chute pipe 20 is obliquely connected between the charging chute pipe 10 and the discharging chute pipe 35.
- the intermediate chute pipe 20 is obliquely connected between the charging port 11 and the discharging chute pipe 35, and the discharging chute pipe 35 is connected. If it is not provided, the intermediate chute pipe 20 will connect between the charging chute pipe 10 and the divider 40 in an oblique direction, and if neither the charging chute pipe 10 nor the discharge chute pipe 35 is provided.
- the intermediate chute tube 20 connects the inlet 11 and the divider 40 in an oblique direction.
- the angle ( ⁇ ) between the intermediate chute tube 20 and the horizontal direction (Y direction in FIG. 1) can range from 30 degrees to less than 90 degrees, ranging from 40 degrees to 60 degrees. The range is preferred.
- the intermediate chute tube 20 is derived from the combination of the first inclined surface 21 and the second inclined surface 22. It has a groove 23 having no step to be formed.
- the groove 23 is located below the intermediate chute tube 20 in the vertical direction. In other words, the groove 23 extends along the bottom of the intermediate chute tube 20 extending in the oblique direction.
- both the first inclined surface 21 and the second inclined surface 22 are flat, and the groove 23 has a step, particularly a step in the longitudinal direction or the particle transport direction of the intermediate chute tube 20. Not done. If there is a step in the groove 23, the particles come into contact with the corners of the inner surface of the chute tube formed by the step, which causes a problem that the particles of the product are easily damaged and dust is easily generated accordingly. .. This becomes a more prominent problem as the hardness of the transported particles is lower.
- the groove 23 may have a cross-sectional shape corresponding to two adjacent sides of a triangle, whereby the particles to be conveyed are configured to gather in the groove 23.
- the intermediate chute tube 20 including the groove 23 is preferably in any of the following first to third forms:
- FIG. 2A when viewed in cross-sectional shape, one side of a quadrangle such as a rectangle or a square corresponds to two adjacent sides of a triangle (two corresponding to the first inclined surface 21 and the second inclined surface 22).
- a (home-based) form formed in a shape corresponding to a side).
- the first form shown in FIG. 2A extends from the second inclined surface 22 extending in the width direction from the first side wall surface 20a and the first side wall surface 20a extended from the first inclined surface 21. It has a second side wall surface 20b and a top surface 20c extending between the first side wall surface 20a and the second side wall surface 20b.
- any one corner portion of the square (the portion corresponding to the groove 23) is located below the vertical direction (X direction in FIG. 1) when viewed in cross-sectional shape.
- a form formed in a shape arranged so as to.
- the first inclined top surface 20d and the second inclined top surface 20e are connected to each other.
- FIG. 2B is a quadrangle, the present invention is not limited to a square, and may be a rectangle or a quadrangle other than that.
- any one corner portion of the equilateral triangle (the portion corresponding to the groove 23) is located below the vertical direction (X direction in FIG. 1) when viewed in cross-sectional shape.
- the third form shown in FIG. 2C has a first inclined surface 21 and a second inclined surface 22, and a top surface 20f extending between them.
- FIG. 2C shows an equilateral triangle, the triangle is not limited to an equilateral triangle, and an isosceles triangle or any other triangle may be used.
- the angle in the cross-sectional shape of the groove 23 (the angle between the first inclined surface 21 and the second inclined surface 22) is greater than or equal to the angle of repose of the particles to be transported so that the particles do not stay. However, 45 degrees to 130 degrees is preferable.
- the width of the groove 23 is narrowed so that the particles enter the groove 23.
- a plurality of straightening vanes may be arranged to allow the flow to flow in a narrower width.
- both the first inclined surface 21 and the second inclined surface 22 of the intermediate chute tube 20 are positioned so as to face each other in the width direction of the intermediate chute tube 20 (that is,).
- the first straightening vane 25 and the second straightening vane 30 are arranged so as to be paired (line-symmetrically in the longitudinal direction). For example, 2 to 10 pairs of the first straightening vane 25 and the second straightening vane 30 can be arranged.
- the first straightening vane 25 may consist of a combination of a first plate-shaped member 26 having a triangular planar shape and a second plate-shaped member 27 having a quadrangular planar shape as shown in FIG. However, the whole may be composed of one plate-shaped member.
- the first plate-shaped member 26 preferably has an isosceles triangle in plane shape, and when it is an isosceles triangle, for example, as shown in FIG. 4, the long side 26a, the first short side 26b, and the second short side 26c have.
- the second plate-shaped member 27 may be, for example, a quadrangle having different lengths on the four sides, and in one example, as shown in FIG. 4, the lengths of the four sides are the first long side 27c and the first long side 27c in descending order.
- the two long sides 27a, the first short side 27b, and the second short side 27d, the first short side 27b and the second short side 27d are at positions facing each other, and the first long side 27c is the second long side. It is in a position facing both 27a and the first short side 27b.
- the angle between the second long side 27a and the first short side 27b exceeds 90 degrees, and the angle between the second long side 27a and the second short side 27d is less than 90 degrees.
- the first plate-shaped member 26 when the plane shape is an isosceles triangle has a long side 26a in contact with the first inclined surface 21 and is first.
- the short side 26b is arranged at a distance from both the first inclined surface 21 and the top surface 20c (see FIG. 2A) of the intermediate chute tube 20.
- the angle ⁇ 1 formed of the first plate-shaped member 26 with the direction orthogonal to the length direction of the intermediate chute tube 20 (the width direction of the intermediate chute tube 20) is equal to or greater than the angle of repose of the particles to be conveyed.
- the second long side 27a of the second plate-shaped member 27 has the same length as the second short side 26c of the first plate-shaped member 26, and is arranged in contact with the second short side 26c. There is.
- the first short side 27b of the second plate-shaped member 27 is arranged in contact with the first inclined surface 21, and the second short side 27d is between the first inclined surface 21 and the top surface 20c of the intermediate chute tube 20. They are placed at intervals from both sides.
- the entire second plate-shaped member 27 is arranged so as to follow the same direction as the length direction of the intermediate chute tube 20.
- the surfaces where the connecting surfaces of the first plate-shaped member 26 and the second plate-shaped member 27 are in contact with each other (the surface of the second short side 26c of the first plate-shaped member 26 and the second long side 27a of the second plate-shaped member 27).
- the surface of the short side 27b) is preferably processed so that the contact surface is an inclined surface so that all of them can be contacted without gaps.
- the second rectifying plate 30 is arranged at a position facing the first rectifying plate 25 and the intermediate chute tube 20 in the width direction (that is, line-symmetrically in the longitudinal direction), and the first rectifying plate 30 is arranged. It has the same shape as the plate 25 except that the orientation is opposite.
- the second straightening vane 30 may be composed of a combination of a third plate-shaped member 31 having a triangular planar shape and a fourth plate-shaped member 32 having a quadrangular planar shape as shown in FIG. It may be composed of one plate-shaped member.
- the third plate-shaped member 31 preferably has an isosceles triangle in plane shape, and when it is an isosceles triangle, for example, as shown in FIG. 4, the long side 31a, the first short side 31b, and the second short side 31c have.
- the fourth plate-shaped member 32 may be a quadrangle having different lengths on the four sides, and in one example, as shown in FIG. 4, the lengths of the four sides are the first long side 32c and the second in descending order.
- the long side 32a, the first short side 32b, and the second short side 32d, the first short side 32b and the second short side 32d are at positions facing each other, and the first long side 32c is the second long side 32a.
- the angle between the second long side 32a and the first short side 32b exceeds 90 degrees, and the angle between the second long side 32a and the second short side 32d is less than 90 degrees.
- the long side 31a is in contact with the second inclined surface 22, and the first The short side 31b is arranged between the second inclined surface 22 and the top surface 20c of the intermediate chute tube 20 at intervals from both sides.
- the angle ⁇ 2 formed of the third plate-shaped member 31 with the direction orthogonal to the length direction of the intermediate chute tube 20 (the width direction of the intermediate chute tube 20) is equal to or greater than the angle of repose of the particles to be conveyed.
- the second long side 32a of the fourth plate-shaped member 32 has the same length as the second short side 31c of the third plate-shaped member 31, and is arranged so as to be connected to the second short side 31c. There is.
- the first short side 32b of the fourth plate-shaped member 32 is arranged in contact with the second inclined surface 22, and the second short side 32d is between the second inclined surface 22 and the top surface 20c of the intermediate chute tube 20. They are placed at intervals from both sides.
- the entire fourth plate-shaped member 32 is arranged so as to follow the same direction as the length direction of the intermediate chute tube 20.
- the surface where the connecting surfaces of the third plate-shaped member 31 and the fourth plate-shaped member 32 come into contact with each other (the surface of the second short side 31c of the third plate-shaped member 31 and the second long side 32a of the fourth plate-shaped member 32). (Surface) and the surface where the third plate-shaped member 31 and the fourth plate-shaped member 32 come into contact with the second inclined surface 22 (the surface of the long side 31a of the third plate-shaped member 31 and the first of the fourth plate-shaped member 32).
- the surface of the short side 32b) is preferably processed so that the contact surface is an inclined surface so that all of them can be contacted without gaps.
- first straightening vane 25 and the second straightening vane 30 can be made of metal or synthetic resin, but in some examples, the same material as the intermediate chute tube 20 is preferable.
- first straightening vane 25 and the second straightening vane 30 may be mounted by fitting into mounting grooves preformed in the first inclined surface 21 and the second inclined surface 22. ..
- the intermediate chute tube 20 may be configured so as to be divided into two, or the top surface 20c may be detachably configured in the form shown in FIG. 2A.
- the first straightening vane 25 and the second straightening vane 30 are made of stainless steel, the first straightening vane 25 and the second straightening vane 30 are welded to the intermediate chute pipe 20.
- Method of fixing as described above, the first straightening vane 25 (first plate-shaped member 26 and the second plate-shaped member 27) and the second straightening vane 30 (first plate-shaped member 31 and the second plate-shaped member 32).
- a method can be applied in which the steel is fitted into the mounting groove and then welded and fixed.
- first plate-shaped member 26 and the second plate-shaped member 27 of the first straightening vane 25 may be in contact with each other as long as they do not affect the transport of particles. , It is not necessary to connect by welding. In this case, similarly, the first plate-shaped member 31 and the second plate-shaped member 32 of the second straightening vane 30 do not need to be connected by welding or the like.
- the groove 23 formed by the first inclined surface 21 and the second inclined surface 22 is the first straightening vane 25 and the first straightening vane 25 which are arranged to face each other in the width direction of the intermediate chute tube 20. 2 Since the portion provided with the straightening vane 30 has a tapered shape, it is possible to send the flow of the transported particles to the divider 40 (or subsequent equipment such as a sieve or a conveyor) in a state of being arranged in a narrower range. it can.
- FIG. 5 shows a plan sectional view of an intermediate chute tube in which the arrangement form of the straightening vane is different from that of FIG.
- the first straightening vane 25 and the second straightening vane 30 are arranged so as to alternate in the length direction on both the first inclined surface 21 and the second inclined surface 22 of the intermediate chute tube 20. ..
- the example of FIG. 5 may be the same as that of FIG.
- a divider 40 for distributing particles is connected to the outlet of the discharge chute tube 35, and the divider 40 is connected to the divider 40.
- a first transport pipe 51 and a second transport pipe 52 for transporting the distributed particles are connected.
- a sieve or conveyor is used as the succeeding equipment, it can be connected to the sieve or conveyor instead of the divider 40.
- ⁇ Particle processing method> An exemplary particle processing method using the particle transport device shown in FIG. 1 will be described.
- This processing method may include a first step and a second step.
- Subsequent equipment can be, for example, a divider for distributing particles, a sieve for classifying particles or a conveyor for transporting particles, or a combination thereof.
- the first step is a step of charging the particles to be processed into the particle transport chute tube 1.
- the particles may be charged, for example, by charging a predetermined amount of particles carried by the elevating bucket from the charging port 11 connected to the charging chute tube 10.
- the particles charged from the charging port 11 are sent to the divider 40 via the charging chute pipe 10, the intermediate chute pipe 20, and the discharging chute pipe 35, and further, the first transport pipe 51 and the second transport pipe. It is a step of distributing desired ratios to 52.
- the total amount of the particles moves along the groove 23 formed from the combination of the first inclined surface 21 and the second inclined surface 22 and is introduced into the divider 40. After that, it will be distributed.
- the particles are introduced near the center of the divider 40 because the particles pass through the groove 23 of the intermediate chute tube 20 and enter the divider 40 in a state where the entire amount of the particles is collected in a narrow flow. This makes it easy to distribute the particles to each of the first transport pipe 51 and the second transport pipe 52 in a desired ratio.
- this action can be further enhanced.
- the distribution ratio to each of the first transport pipe 51 and the second transport pipe 52 can be in the range of 0% to 100% of the total amount of particles. Further, in the particle transport, distribution and other treatment methods of the present invention, even when particles having a small specific gravity or particles having a small particle size, which are considered to be difficult to be combined into a narrow flow, are used, the groove of the intermediate chute tube 20 By the action of 23, it is introduced into the divider 40 in a state of being organized in a narrow flow, so that distribution becomes easy.
- the particles can be supplied to the central portion of the sieve in a state of being collected.
- the introduced particles are evenly dispersed on the sieve surface, and the entire surface of the sieve can be used, which is preferable because the classification function is more easily exhibited.
- excess particles flow on the sieve surface where the particles flow unevenly, and a surface that does not contribute to the classification of the particles occurs on the sieve surface where the particle flow is small. As a result, there arises a problem that the desired classification function is not exhibited.
- the particles are supplied to the central portion of the conveyor in a state of being collected, which may cause a problem that the particles spill from the transport surface of the conveyor. It is preferable because it does not exist.
- the chute tube for transporting particles of the present invention, and the particle transporting device and processing method including the chute tube for transporting particles can be used to transport particles such as urea particles and to perform processing according to the function of the subsequent equipment to be combined. ..
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- Air Transport Of Granular Materials (AREA)
Abstract
Description
背景技術
粒子の投入口を有する投入用シュート管と、
前記投入用シュート管よりも鉛直方向に低い位置であり、かつ水平方向に異なる位置に配置され、粒子の分配機能、粒子の分級機能および粒子の運搬機能から選ばれる1または2以上の機能を有する後続設備に接続される排出用シュート管と、
前記投入用シュート管と前記排出用シュート管の間を斜め方向に接続可能な中間シュート管のうち、少なくとも前記中間シュート管を有しており、
前記中間シュート管が、第1傾斜面と第2傾斜面の組み合わせから形成される段差のない溝を有しており、
前記溝が、断面形状が三角形の隣接する二辺に相当する形状のものである、粒子搬送用シュート管を提供する。
本発明の粒子搬送用シュート管(以下、単に「シュート管」という)を図面により説明する。図1に示す例示的な実施形態において、シュート管1は、投入用シュート管10、中間シュート管20、および排出用シュート管35を有している。
図2(a)に例示的に示すとおり、断面形状で見て、長方形または正方形のような四角形の一辺が三角形の隣接する二辺(第1傾斜面21と第2傾斜面22に相当する二辺)に相当する形状に形成された(ホームベース型)形態。図2(a)に示す第1形態は、第1傾斜面21から延ばされた第1側壁面20a、第1側壁面20aと幅方向に対向している、第2傾斜面22から延ばされた第2側壁面20b、および第1側壁面20aと第2側壁面20bの間に延びる天面20cを有している。
図2(b)に例示的に示すとおり、断面形状で見て、正方形のいずれか一つの角部分(溝23に相当する部分)が鉛直方向(図1のX方向)の下側に位置するように配置された形状に形成された形態。図2(b)に示す第2形態は、第1傾斜面21と第2傾斜面22のほか、第1傾斜面21側の第1傾斜天面20d、第2傾斜面22側の第2傾斜天面20eを有している。第1傾斜天面20dと第2傾斜天面20eは相互に接続されている。なお図2(b)は正方形であるが正方形に限定されるものではなく、長方形、それ以外の四角形でもよい。
図2(c)に例示的に示すとおり、断面形状で見て、正三角形のいずれか一つの角部分(溝23に相当する部分)が鉛直方向(図1のX方向)の下側に位置するように配置された形状に形成された形態。図2(c)に示す第3形態は、第1傾斜面21と第2傾斜面22のほか、これらの間に延びる天面20fを有している。図2(c)は正三角形であるが正三角形に限定されるものではなく、二等辺三角形、それ以外の三角形でもよい。
なるように配置されることで、搬送される粒子が滞留することが防止されるようになっている。
図1に示す粒子の搬送装置を使用する、例示的な粒子の処理方法を説明する。本発明の例示的な実施形態による処理方法は、粒子の搬送と共に、後続設備の機能に応じた処理を行うことが可能である。この処理方法は、第1段階と第2段階を含んでいてよい。後続設備は、例えば粒子を分配するためのディバイダー、粒子を分級するための篩または粒子を運搬するためのコンベアまたはそれらの組み合わせであることができる。
産業上の利用可能性
10 投入用シュート管
11 投入口
20 中間シュート管
35 排出用シュート管
40 ディバイダー
51 第1搬送管
52 第2搬送管
Claims (10)
- 粒子搬送用シュート管であって、
粒子の投入口を有する投入用シュート管と、
前記投入用シュート管よりも鉛直方向に低い位置であり、かつ水平方向に異なる位置に配置され、粒子の分配機能、粒子の分級機能および粒子の運搬機能から選ばれる1または2以上の機能を有する後続設備に接続される排出用シュート管と、
前記投入用シュート管と前記排出用シュート管の間を斜め方向に接続可能な中間シュート管のうち、少なくとも前記中間シュート管を有しており、
前記中間シュート管が、第1傾斜面と第2傾斜面の組み合わせから形成される段差のない溝を有しており、
前記溝が、断面形状が三角形の隣接する二辺に相当する形状のものである、粒子搬送用シュート管。 - 前記中間シュート管の溝を含む断面形状が、
四角形の一辺が三角形の隣接する二辺に相当する形状である第1形態、
四角形のいずれか一つの角部分が鉛直方向の下側に位置するように配置された形状である第2形態、および
三角形のいずれか一つの角部が鉛直方向の下側に位置するように配置された形状である第3形態から選ばれる、請求項1に記載の粒子搬送用シュート管。 - 前記溝部分の断面形状における三角形の隣接する二辺がなす角度が45度~130度である、請求項1または2記載の粒子搬送用シュート管。
- 前記中間シュート管の中心軸と水平方向の間の角度が30度~90度未満の範囲である、請求項1~3のいずれか1項記載の粒子搬送用シュート管。
- 前記中間シュート管の第1傾斜面と第2傾斜面において、前記溝の幅を狭くして、前記粒子が前記溝の中心部により流れ易くするための1または複数の整流板が配置されている、請求項1~4のいずれか1項記載の粒子搬送用シュート管。
- 粒子の分配機能、粒子の分級機能および粒子の運搬機能から選ばれる1または2以上の機能を有する後続設備が、ディバイダー、篩、コンベアまたはそれらの組み合わせである、請求項1~5のいずれか1項記載の粒子搬送用シュート管。
- 前記粒子が吸湿性粒子である、請求項1~6のいずれか1項記載の粒子搬送用シュート管。
- 前記粒子が実質的に粒径0.5~5mmの範囲の尿素粒子である、請求項1~7のいずれか1項記載の粒子搬送用シュート管。
- 前記請求項1~8のいずれか1項記載の粒子搬送用シュート管と、前記粒子搬送用シュート管の排出口に接続された前記後続設備を有しており、粒子の搬送と前記後続設備の機能に応じた処理ができる粒子搬送装置。
- 請求項9記載の搬送装置を使用する粒子処理方法であって、
前記後続設備が、粒子を分配するためのディバイダー、粒子を分級するための篩または粒子を運搬するためのコンベアまたはそれらの組み合わせであり、
粒子を前記粒子の搬送用シュート管に投入する第1段階と、
前記粒子を、前記中間シュート管を経て前記ディバイダー、前記篩または前記コンベアに送り、複数の搬送管に所望割合量ずつを分配するか、粒子を分級するか、または粒子を運搬する第2段階を有しており、
前記第2段階において粒子が中間シュート管を通過するとき、前記粒子の全量が、第1傾斜面と第2傾斜面の組み合わせから形成される溝に沿って移動してディバイダー、篩またはコンベアに導入された後、分配、分級または運搬される、粒子の処理方法。
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US17/600,375 US11807460B2 (en) | 2019-06-12 | 2020-05-19 | Chute tube for transferring particles |
CN202080042730.1A CN114007959B (zh) | 2019-06-12 | 2020-05-19 | 颗粒输送用滑槽管 |
CA3133959A CA3133959A1 (en) | 2019-06-12 | 2020-05-19 | Chute tube for transferring particles |
GB2111976.3A GB2596936B (en) | 2019-06-12 | 2020-05-19 | Chute pipe for particle transportation |
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