WO2018185887A1 - Screw press - Google Patents
Screw press Download PDFInfo
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- WO2018185887A1 WO2018185887A1 PCT/JP2017/014269 JP2017014269W WO2018185887A1 WO 2018185887 A1 WO2018185887 A1 WO 2018185887A1 JP 2017014269 W JP2017014269 W JP 2017014269W WO 2018185887 A1 WO2018185887 A1 WO 2018185887A1
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- WIPO (PCT)
- Prior art keywords
- screw
- presser
- screw shaft
- rotating drum
- rotary drum
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/18—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing with means for adjusting the outlet for the solid
Definitions
- the present invention relates to a screw press that squeezes an object to be treated such as sludge and separates it into a solid and a liquid, and more particularly to a drive mechanism for a presser that applies a back pressure to the solid content after squeezing at its outlet.
- FIG. 3 schematically shows the screw press described in Patent Document 1.
- the conventional screw press M includes a rotating drum 1 having a cylindrical filtration surface 1 ⁇ / b> A, a screw shaft 2 ⁇ / b> A that penetrates along the axis of the rotating drum 1, and a spiral shape on the outer peripheral surface of the screw shaft 2 ⁇ / b> A.
- a screw 2 having a screw blade 2B formed on the surface, and is configured to squeeze the object to be treated (for example, sludge) and separate it into a separated liquid and a solid content.
- the rotary drum 1 includes a left end surface 1B that closes one end (the left end in the figure) of the filtration surface 1A, a diameter-enlarged portion 1C that is continuously connected to the right end of the filtration surface 1A with a diameter larger than that of the filtration surface 1A, and a diameter-enlarged portion 1C. And a right end surface 1D for closing the right end.
- the screw shaft 2A has a left end passing through the center of the left end face 1B of the rotary drum 1 and a right end passing through the center of the right end face 1D. Further, the screw shaft 2A has a hollow portion 2C formed at the left end portion as shown in FIG.
- the screw shaft 2A is formed to have a taper-shaped portion that gradually increases in diameter from the vicinity of the left end surface 1B of the rotating drum 1 to the right end of the filtration surface 1A, and the same diameter as the maximum diameter of the taper-shaped portion in the expanded-diameter portion 1C. It has a straight body.
- the screw blade 2B formed in the taper-shaped portion gradually decreases in the spiral interval from the left side to the right side of the rotary drum 1, and the squeezing force becomes stronger toward the discharge portion 1C side.
- First and second bearings 3A and 3B are respectively provided at both left and right ends of the screw shaft 2A, and the screw shaft 2A is rotatably supported by the first and second bearings 3A and 3B.
- a third bearing 4A is provided between the center hole of the left end surface 1B of the rotating drum 1 and the screw shaft 2A.
- a cylindrical body 1E that covers the screw shaft 2A is connected to the central portion of the right end surface 1D of the rotary drum 1, and a fourth bearing 4B is provided between the cylindrical body 1E and the screw shaft 2A.
- the second bearing 3 ⁇ / b> B supports the screw shaft 2 ⁇ / b> A via a thin portion that extends from the cylindrical body 1 ⁇ / b> E of the rotary drum 1.
- a first sprocket 5A is attached to the left end of the screw shaft 2A, and a second sprocket 5B is attached to the right end of the thin portion of the cylindrical body 1E of the rotary drum 1, and these sprockets 5A, 5B.
- the screw 2 and the rotating drum 1 are rotated through each of them.
- the rotary drum 1 rotates differentially at a different rotational speed from the screw 2.
- the enlarged diameter portion 1C there is a straight body portion 1F having the same diameter as the filtration surface 1, and the right end of the straight body portion 1F and the straight body of the screw shaft 2A.
- the ring-shaped gap in the part serves as a solid content outlet after the sludge pressing treatment. Further, since the solid content from the discharge port is discharged to the outside via the enlarged diameter portion 1C, the enlarged diameter portion 1C will be described as the discharge portion 1C below.
- a presser 6A having a ring shape is provided in the discharge portion 1C of the rotary drum 1, and the discharge port is closed by the presser 6A to apply a back pressure to the solid content.
- the presser 6A is formed in a ring shape having a tapered surface that closes the discharge port, and the straight body portion of the screw shaft 2A passes through the central hole.
- a presser pressing plate 6B having a ring shape is provided outside the discharge portion 1C in parallel with the presser 6A at a predetermined interval.
- the cylindrical body 1E of the rotary drum 1 passes through the center hole of the presser pressing plate 6B, and the presser pressing plate 6B slides in the left-right direction according to the cylindrical body 1E.
- the presser pressing plate 6B is connected to the presser 6A through a plurality of rods 6C.
- the presser pressing plate 6B reciprocates the cylinder 1E in the left-right direction via the drive mechanism 6D.
- the driving mechanism 6D includes, for example, an air cylinder 6D 1 that functions with pressurized air, a sliding member 6D 2 that sandwiches the outer peripheral edge of the presser pressing plate 6B, and a support 6D 3 that supports the sliding member 6D 2.
- the air cylinder 6D 1 is configured to operate the presser pressing plate 6B by expanding and contracting the cylinder rod 6D 4 with pressurized air.
- the presser pressing plate 6B When closing the discharge port by the presser 6A, the presser pressing plate 6B is moved from the solid line position to the position indicated by the two-dot chain line in the left direction via the drive mechanism 6D, and the discharge port is closed by the presser 6A.
- the back pressure is applied to the solid content conveyed by the screw 2.
- This back pressure can be adjusted by an air cylinder 6D 1 driving mechanism 6D. While the rotary drum 1 repressor 6A is reciprocated in accordance with the cylindrical body 1E while rotating, sliding member 6D 2 slides on the outer periphery of the presser push plate 6B.
- the guide mechanism. 6E to smoothly straight sliding member 6D 2, 7 housing for accommodating the rotary drum 1, etc., 8 water collecting portion made of the inclined surface formed on the lower rotary drum 1 , 9 is a drainage part formed in the central part of the water collection part 8.
- the rotating drum 1 and the screw 2 of the screw press M rotate to separate the sludge into solid and liquid, and the solid content is conveyed to the discharge port while squeezing the solid gradually and strongly, and the solid content reaches the presser 6A.
- the presser 6A opens the discharge port to discharge the solid content to the discharge unit 1C, and discharges the discharge unit 1C to the outside as indicated by the arrow B.
- separated water is generated from the sludge to be squeezed in the rotary drum 1, collected from the filtration surface 1 ⁇ / b> A to the water collection unit 8, and discharged from the drainage unit 9 to the outside.
- a cleaning device (not shown) is provided in the gap above the filtration surface 1A of the rotary drum 1 and the housing 7 over the entire length of the filtration surface 1A. When the rotary drum 1A is rotating, the filtration surface 1A is provided. Wash.
- This invention was made in order to solve the said subject, and it aims at providing the screw press provided with the drive mechanism which can be driven smoothly and stably over a presser long period of time.
- a screw press according to claim 1 of the present invention is a rotary drum having a cylindrical filtration surface and first and second end surfaces formed at both ends thereof, and the rotary press provided in the rotary drum.
- a screw shaft projecting from both end surfaces, a screw formed in a spiral shape on the peripheral surface of the screw shaft, and having a screw blade which is in sliding contact with the inner peripheral surface of the filtration surface, and reciprocatingly moves according to the screw shaft in the rotary drum.
- a presser that opens and closes a gap formed between the filtration surface and the screw shaft, and when the rotary drum and the screw are rotated, the workpiece to be processed is supplied to the rotary drum via both of them.
- a screw press that squeezes the cylinder, and has a cylinder mechanism that is provided on the second end face to reciprocate the presser in the rotary drum. Comprising a rotation mechanism, the cylinder mechanism is characterized in that it is integral with the second end surface.
- the screw press according to the first aspect, wherein the drive mechanism is a rotary joint provided on the screw shaft for supplying pressurized fluid to the cylinder mechanism. It is characterized by having.
- the screw press according to the second aspect, wherein the rotary joint includes a cylindrical fixed portion that surrounds an end portion of the screw shaft and does not rotate, and the fixed portion. And a cylindrical rotating portion that is rotatably provided on the outer peripheral surface and is connected to a cylindrical body protruding from the second end surface.
- At least one passage through which the fluid passes is formed in the fixing portion in the axial direction, and At least one annular groove communicating with the at least one passage is formed on the outer peripheral surface, and at least one first port communicating with the at least one annular groove is formed on the rotating part, Further, at least one second port communicating with the at least one passage is formed at an end of the fixed portion protruding in the axial direction from the rotating portion.
- the screw press according to claim 5 of the present invention is the guide rod according to any one of claims 1 to 4, wherein the presser is reciprocated in the rotary drum according to the screw shaft. Is provided.
- the screw press 10 of the present embodiment has a first end surface (hereinafter referred to as “left end surface”) 11B formed at the left end of a cylindrical filtration surface 11A, for example, as shown in FIG.
- the rotating drum 11 having a second end surface (hereinafter referred to as “right end surface”) 11D at the right end of the enlarged diameter portion 11C extending from the right end of the surface 11A and the rotating drum 11 share an axis and rotate.
- the rotary drum 11 and the screw 12 cooperate to squeeze the object to be treated (for example, sludge) to separate it into a solid and a separated liquid, discharge the separated liquid from the filtration surface 11A and remove the solid content.
- Screw is configured to convey to the discharge port to be described later while squeezing the wings 12B.
- first and second bearings 13A and 13B are respectively provided at both ends of the screw shaft 12A, and the screw shaft 12A, that is, the screw 12 can be rotated freely by these bearings 13A and 13B.
- the first and second bearings 13A and 13B are both fixed to the supports S1 and S2.
- the second bearing 13B is connected to an adjacent rotary joint as will be described later.
- Third and fourth bearings 14A and 14B interposed between the screw shafts 12A are respectively provided in the center holes of both end faces 11B and 11D of the rotary drum 11, and these screw bearings 14A and 14B respectively provide the screw shafts 12A.
- a rotating drum 11 is rotatably supported.
- a cylindrical body 11E surrounding the fourth bearing 14B is attached to the outer surface of the right end surface 11D of the rotating drum 11, and a sprocket 15A is provided at the right end of the cylindrical body 11E.
- a first drive device 16A is connected to the sprocket 15A via an endless chain 17A, and the first drive device 16A rotates the rotary drum 11 via the chain 17A and the sprocket 15A.
- a sprocket 15B is provided at the right end of the screw shaft 12A, and a second drive device 16B is connected to the sprocket 15B via an endless chain 17B.
- the second drive device 16B is connected to the chain 17B and the sprocket 15B.
- the screw 12 is rotated at a rotational speed faster than that of the rotary drum 11.
- the screw shaft 12A has a tapered portion 12A 1 gradually enlarged from the vicinity of the left end surface 11B to the vicinity of the right side of the enlarged diameter portion 11C in the filtering surface 11A of the rotating drum 11 as shown in FIG. 1, a tapered shaped portion 12A straight body section 12A 2 which extends into the enlarged diameter portion 11C from the right edge of the same in the same size, the has.
- the first, second, third, and fourth bearings 13A, 13B, 14A, and 14B are all provided at both ends of the screw shaft 12, and the rotary drum 11 is rotatably supported by the screw shaft 12. Has been.
- the gap between the outer periphery of the screw blade 12B and the inner peripheral surface of the filtration surface 11A is maintained substantially constant over time.
- the screw vane 12B is formed spirally tapered portion 12A 1, helix spacing increases toward the discharge section 11C is narrower.
- the left end portion of the screw shaft 12A passing through the left end surface 11B of the rotary drum 11 is formed as a hollow shaft.
- the hollow shaft is formed with an opening 12 ⁇ / b> C located near the inside of the left end surface 11 ⁇ / b> B of the rotary drum 11.
- the sludge is supplied from the left end opening of the hollow shaft and flows into the rotary drum 11 from the opening 12C.
- this ring-shaped gap will be described as a discharge port. Further, the solid content discharged from the discharge port is discharged to the outside as will be described later via the enlarged diameter portion 11C. Therefore, hereinafter, the enlarged diameter portion 11C will be described as the discharge portion 11C.
- a presser 18 for opening and closing the solid content outlet is provided, and the presser 18 is configured to apply a back pressure to the solid content at the outlet.
- the presser 18 moves from the two-dot chain line position to the solid line position on the right end surface 11D side in the discharge part 11C, and gradually exits the outlet. Open and discharge the solid content to the discharge part 11C.
- the presser 18 used in the present embodiment has a tapered surface that enters the ring-shaped discharge port and closes the discharge port.
- straight body 12A 2 penetrates the shaft 12A, is configured to move in the left-right direction along the straight body section 12A 2.
- the presser 18 is configured to apply a predetermined back pressure to the solid content at the discharge port and to open and close the discharge port by a driving mechanism 19 provided outside the rotary drum 11.
- the drive mechanism 19 includes, for example, two cylinder mechanisms (for example, an air cylinder) 19A provided at positions 180 ° apart from each other on the outer side of the right end surface 11D of the rotary drum 11, and these A rotary joint 19C connected to the air cylinder 19A via the pipes 19B and 19B, and an air source 19D connected to the rotary joint 19C via the pipe 19B. Then, each of the distal end portion of the cylinder rod 19A 1 of the two air cylinders 19A repressor 18 is connected.
- two cylinder mechanisms for example, an air cylinder
- the presser 18 has a plurality of guide rods 19E arranged at equal intervals in the circumferential direction between the right end surface 11D and the opposing surface in the discharge portion 11C of the rotary drum 11. And is configured to smoothly move and guide in the left-right direction via these guide rods 19E.
- Only one air cylinder 19A is shown in FIGS.
- a double-acting air cylinder is used as the air cylinder 19A.
- a single-acting air cylinder can also be used.
- the drive mechanism 19, when supplied with pressurized air to the air cylinder 19A via the rotary joint 19C from the air source 19D elongation cylinder rod 19A 1, is moved toward the presser 18 to the outlet of the solids It is comprised so that a discharge port may be closed.
- the back pressure applied to the solid content can be set to an appropriate level by adjusting the pressure level of the pressurized air according to characteristics such as the type of sludge. If the pressure of the pressurized air is set high, the back pressure from the presser 18 to the solid content increases and the moisture content of the solid content decreases. Conversely, if the pressure of the pressurized air is set low, the pressure from the presser 18 to the solid content The back pressure is reduced and the moisture content of the solid content is increased.
- the rotary joint 19C used in the present embodiment is interposed between the second bearing 13B and the fourth bearing 14B.
- the rotary joint 19C as shown in the figure, connected to the second bearing 13B, a fixed cylindrical fixing portion 19C 1, the cylindrical body of the rotary drum 11 together with the inner surface of the fixing portion 19C 1 is in sliding contact a cylindrical rotating portion 19C 2 coupled to 11E, the fixed portion and bearing 19C 3 interposed between the ends of the fixing portions 19C 1 and the rotary part 19C 2, provided, together rotating portion 19C 2 is a rotary drum 11 and it is configured to rotate while sliding on the 19C 1.
- the screw shaft 12A is adapted to smoothly rotate through a slit between the fixed portion 19C 1.
- the axially compressed air passage is formed two in a cylindrical fixing portion 19C 1, the outer peripheral surface of the fixing portion 19C 1 2 passageways respectively Two communicating annular grooves are formed. That is, the passage and the annular groove communicate with each other through the communication passage. Further, two first ports respectively communicating with two annular grooves with is formed in the radial direction to the rotating portion 19C 2, the fixing portion on the right end portion of the fixing portion 19C 1 protruding from the rotation portion 19C 2 Two second ports communicating with each of the two passages 19C 1 are formed in the radial direction. Fittings 19C 4 connected to a pipe 19B of the air source 19D shown in FIG.
- the second rotating portion 19C 2 one of the ports has two push-in joint 19C 5 connected respectively attached to the two pipe 19B of the air cylinder 19A.
- Fittings 19A 2 is attached to connect the two pipes 19B of the rotating portion 19C 2 (see FIG. 1), pressurized air rotary joint from the air source 19D (see FIG. 1)
- the air is supplied to the opening / closing port of the air cylinder 19A via the second port 19C, the passage and the first port.
- the air cylinder 19A moves the presser 18 to close the discharge port, and applies back pressure to the solid content at the discharge port.
- the rotating drum 11 is housed in the housing 20 as shown in FIG. 1, and a cleaning device 21 is provided over the entire length of the filtration surface 11 ⁇ / b> A above the rotating drum 11 in the housing 20.
- the filtration surface 11A is washed by spraying washing water intermittently.
- a water collecting portion 22 having an inclined surface is formed below the rotating drum 11, and a drain pipe 23 is provided at the lower end of the water collecting portion 22. Therefore, the separated water and the wash water from the rotary drum 11 are collected in the water collection unit 22 and discharged from the drain pipe 23 to the outside.
- the operation of the screw press 10 of this embodiment will be described.
- the first and second drive devices 16A and 16B rotate the rotary drum 11 and the screw 12 differentially, and the presser 18 turns the air cylinder 19A of the drive mechanism 19 on. Through the outlet and close the outlet.
- sludge is supplied from the hollow shaft of the screw shaft 12A and flows into the rotary drum 11 from the opening 12C of the hollow shaft.
- the sludge While the sludge is conveyed toward the discharge port through the screw blade 12B of the screw 12 in the rotary drum 11, the sludge is gradually compressed by the action of the screw blade 12B that becomes gradually narrow, and is solid-liquid separated into solid content and separated water. Is done.
- the separated water after the solid-liquid separation is discharged from the filtration surface 11A to the water collecting unit 22, and the solid content is conveyed to the discharge port by the screw blade 12B.
- the presser 18 When the solid content reaches the discharge port and contacts the presser 18 that rotates together with the rotating drum 11, the presser 18 receives a pressing force from the solid content. At this time, since the presser 18 receives the back pressure from the air cylinder 19A of the drive mechanism 19, the pressing of the solid component proceeds by the increase of the pressing force from the screw blade 12B at the discharge port, and the separated water from the solid component is filtered. The water is discharged from the surface 11A to the water collecting unit 22. When the pressing force from the screw blade 12B gradually increases and overcomes the back pressure from the presser 18 as the solid content approaches the discharge port, the presser 18 receives the pressing force from the screw blade 12B and opens the discharge port. .
- the solid content is discharged from the discharge port into the discharge portion 11C, and further discharged from the discharge portion 11C to the outside as indicated by an arrow B in FIG.
- the back pressure provided to solid content from the presser 18 can be suitably set with the kind of to-be-processed object.
- rotary drum 11 directly connected to the cylindrical body 11E of the rotary joint 19C of the rotating portion 19C 2 is rotary drum 11 together with the air cylinder 19A is attached to the right end surface 11D of the rotary drum 11 constituting the driving mechanism 19 of the presser 18 are, for rotating portion 19C 2 and the pipe 19B of the air cylinder 19A and the rotary joint 19C to operate the presser 18 is rotated together with the rotary drum 11, a relatively stationary structure with respect to the rotary drum 11, The presser 18 can always be driven smoothly without problems such as wear due to frictional force generated between the components as in the prior art.
- the air cylinder 19A constituting the drive mechanism 19 of the presser 18 is attached to the right end surface 11D of the rotary drum 11, and the air cylinder 19A is pressurized via the rotary joint 19C. Since the air is supplied, the main part of the drive mechanism 19 rotates together with the rotating drum 11, so that there is no consumable part as in the prior art, and the replacement work is unnecessary, and the presser 18 is used for a long period of time. Can be driven smoothly, and thus the operating rate of the screw press 10 can be increased, and maintenance costs can be saved.
- the present invention can be used as a solid-liquid separation device that squeezes an object to be treated such as sludge and slurry to separate it into solid and liquid.
- Screw press 11 Rotating drum 11A Filtration surface 11B Left end face (first end) 11C Discharge part (expanded part) 11D Right end face (second end face) 11E cylinder 12 screw 12A screw shaft 12B screw blade 17 second drive device 18 presser 19 drive mechanism 19A air cylinder (cylinder mechanism) 19C rotary joint 19C 1 fixed part 19C 2 rotating part
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
汚泥を圧搾するためにスクリュープレス10を始動させると、第1、第2の駆動装置16A、16Bが回転ドラム11及びスクリュー12を差動回転させると共に、プレッサー18が駆動機構19のエアシリンダ19Aを介して排出口に近づき、排出口を閉じる。この間、図1に矢印Aで示すように汚泥がスクリュー軸12Aの中空軸から供給されて中空軸の開口部12Cから回転ドラム11内に流入する。汚泥が回転ドラム11内でスクリュー12のスクリュー羽根12Bを介して排出口に向けて搬送される間に徐々に狭くなるスクリュー羽根12Bの働きで徐々に圧搾されて固形分と分離水に固液分離される。固液分離後の分離水は濾過面11Aから集水部22へ排出され、固形分はスクリュー羽根12Bによって排出口へ搬送される。 Next, the operation of the
When the
11 回転ドラム
11A 濾過面
11B 左端面(第1の端)
11C 排出部(拡径部)
11D 右端面(第2の端面)
11E 筒体
12 スクリュー
12A スクリュー軸
12B スクリュー羽根
17 第2の駆動装置
18 プレッサー
19 駆動機構
19A エアシリンダ(シリンダ機構)
19C ロータリージョイント
19C1 固定部
19C2 回転部 10
11B Left end face (first end)
11C Discharge part (expanded part)
11D Right end face (second end face)
11E cylinder
12
19C rotary joint 19C 1 fixed
Claims (5)
- 円筒状の濾過面及びその両端に形成された第1、第2の端面を有する回転ドラムと、上記回転ドラム内に設けられて上記回転ドラムの両端面から突出するスクリュー軸及び上記スクリュー軸の周面に螺旋状に形成されて上記濾過面の内周面と摺接するスクリュー羽根を有するスクリューと、上記回転ドラム内で上記スクリュー軸に従って往復移動して上記濾過面と上記スクリュー軸の間に形成された隙間を開閉するプレッサーと、を備え、上記回転ドラムと上記スクリューの回転時に、これら両者を介して上記回転ドラム内に供給される被処理物を圧搾するスクリュープレスであって、上記第2の端面に設けられて上記回転ドラム内の上記プレッサーを往復移動させるシリンダ機構を有する駆動機構を備え、上記シリンダ機構は上記第2の端面と一体化していることを特徴とするスクリュープレス。 A rotating drum having a cylindrical filtration surface and first and second end surfaces formed at both ends thereof, a screw shaft provided in the rotating drum and projecting from both end surfaces of the rotating drum, and a circumference of the screw shaft A screw having a screw blade formed in a spiral shape on the surface and in sliding contact with the inner peripheral surface of the filtration surface, and formed between the filtration surface and the screw shaft by reciprocating in the rotary drum according to the screw shaft. A press that opens and closes the gap, and when the rotating drum and the screw rotate, a screw press that squeezes the workpiece to be supplied into the rotating drum through both of them, A drive mechanism having a cylinder mechanism provided on an end face for reciprocating the presser in the rotary drum; and the cylinder mechanism includes the second mechanism Screw press, characterized in that it is integrated with the surface.
- 上記駆動機構は、上記シリンダ機構に加圧流体を供給するために上記スクリュー軸に設けられたロータリージョイントを有することを特徴とする請求項1に記載のスクリュープレス。 2. The screw press according to claim 1, wherein the drive mechanism has a rotary joint provided on the screw shaft for supplying pressurized fluid to the cylinder mechanism.
- 上記ロータリージョイントは、上記スクリュー軸の端部を囲み回転しない筒状の固定部と、上記固定部の外周面に回転自在に設けられ且つ上記第2の端面から突出する筒体に連結された筒状の回転部と、を有することを特徴とする請求項2に記載のスクリュープレス。 The rotary joint includes a cylindrical fixed portion that surrounds the end portion of the screw shaft and does not rotate, and a cylinder that is rotatably provided on the outer peripheral surface of the fixed portion and connected to a cylindrical body that protrudes from the second end surface The screw press according to claim 2, further comprising: a rotating portion having a shape.
- 上記固定部には上記流体が通る通路が軸方向に少なくとも一つ形成されていると共に上記固定部の外周面には上記少なくとも一つ通路に連通する少なくとも一つの環状溝が形成され、また、上記回転部には上記少なくとも一つの環状溝に連通する少なくとも一つの第1のポートが形成されており、更に、上記回転部から軸方向に突出する上記固定部の端部には上記少なくとも一つ通路に連通する第2のポートが少なくとも一つ形成されていることを特徴とする請求項3に記載のスクリュープレス。 At least one passage through which the fluid passes is formed in the fixing portion in the axial direction, and at least one annular groove communicating with the at least one passage is formed on the outer peripheral surface of the fixing portion. The rotating portion is formed with at least one first port communicating with the at least one annular groove, and further, the at least one passage is formed at an end of the fixing portion protruding in the axial direction from the rotating portion. The screw press according to claim 3, wherein at least one second port communicating with the screw press is formed.
- 上記回転ドラム内には上記プレッサーを上記スクリュー軸に従って往復移動させるガイドロッドが設けられていることを特徴とする請求項1~請求項4いずれか1項に記載のスクリュープレス。 The screw press according to any one of claims 1 to 4, wherein a guide rod for reciprocating the presser according to the screw shaft is provided in the rotary drum.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177029791A KR101983735B1 (en) | 2017-04-05 | 2017-04-05 | Screw press |
JP2017557018A JP6288629B1 (en) | 2017-04-05 | 2017-04-05 | Screw press |
PCT/JP2017/014269 WO2018185887A1 (en) | 2017-04-05 | 2017-04-05 | Screw press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/014269 WO2018185887A1 (en) | 2017-04-05 | 2017-04-05 | Screw press |
Publications (1)
Publication Number | Publication Date |
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WO2018185887A1 true WO2018185887A1 (en) | 2018-10-11 |
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Family Applications (1)
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PCT/JP2017/014269 WO2018185887A1 (en) | 2017-04-05 | 2017-04-05 | Screw press |
Country Status (3)
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JP (1) | JP6288629B1 (en) |
KR (1) | KR101983735B1 (en) |
WO (1) | WO2018185887A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116001346A (en) * | 2023-03-24 | 2023-04-25 | 太原理工大学 | Wet separation equipment for solid waste and separation method thereof |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110341229B (en) * | 2018-04-02 | 2021-09-07 | 中机华丰(北京)科技有限公司 | Soft extrusion spiral solid-liquid separation device |
CN108749075A (en) * | 2018-06-11 | 2018-11-06 | 晏子俊 | A kind of plunger type solid-liquid separating machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002001589A (en) * | 2000-06-19 | 2002-01-08 | Ishigaki Co Ltd | Continuous pressure dehydrator |
JP2002205195A (en) * | 2001-01-10 | 2002-07-23 | Tsukishima Kikai Co Ltd | Screw press type filter device |
JP2015131276A (en) * | 2014-01-14 | 2015-07-23 | 三菱重工環境・化学エンジニアリング株式会社 | Dewatering system for organic sludge |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3936569B2 (en) * | 2001-10-31 | 2007-06-27 | 三菱化工機株式会社 | Screw press |
JP2004181586A (en) * | 2002-12-04 | 2004-07-02 | Koyo Seiko Co Ltd | Hydraulic rotary joint and superfinishing machine using rotary joint |
JP4373832B2 (en) * | 2004-03-30 | 2009-11-25 | 三菱化工機株式会社 | Screw press |
KR200462850Y1 (en) * | 2010-08-23 | 2012-10-09 | (주)케이씨이앤씨 | Rotary joint |
-
2017
- 2017-04-05 JP JP2017557018A patent/JP6288629B1/en not_active Expired - Fee Related
- 2017-04-05 WO PCT/JP2017/014269 patent/WO2018185887A1/en active Application Filing
- 2017-04-05 KR KR1020177029791A patent/KR101983735B1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002001589A (en) * | 2000-06-19 | 2002-01-08 | Ishigaki Co Ltd | Continuous pressure dehydrator |
JP2002205195A (en) * | 2001-01-10 | 2002-07-23 | Tsukishima Kikai Co Ltd | Screw press type filter device |
JP2015131276A (en) * | 2014-01-14 | 2015-07-23 | 三菱重工環境・化学エンジニアリング株式会社 | Dewatering system for organic sludge |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116001346A (en) * | 2023-03-24 | 2023-04-25 | 太原理工大学 | Wet separation equipment for solid waste and separation method thereof |
CN116001346B (en) * | 2023-03-24 | 2023-05-30 | 太原理工大学 | Wet separation equipment for solid waste and separation method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPWO2018185887A1 (en) | 2019-04-11 |
KR20180135789A (en) | 2018-12-21 |
JP6288629B1 (en) | 2018-03-07 |
KR101983735B1 (en) | 2019-05-29 |
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