JP2012205986A - Rotary sieving device - Google Patents

Rotary sieving device Download PDF

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JP2012205986A
JP2012205986A JP2011072372A JP2011072372A JP2012205986A JP 2012205986 A JP2012205986 A JP 2012205986A JP 2011072372 A JP2011072372 A JP 2011072372A JP 2011072372 A JP2011072372 A JP 2011072372A JP 2012205986 A JP2012205986 A JP 2012205986A
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separation cylinder
sieve
cylinder
separation
air
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JP5524890B2 (en
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Yasuhiro Noda
泰廣 野田
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Tatsumi Air Eng Co Ltd
Tatsumi Air Engineering Ltd
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Tatsumi Air Eng Co Ltd
Tatsumi Air Engineering Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a rotary sieving device capable of preventing occurrence of clogging caused by adhesion of a sieve mesh non-passing object to sieve meshes of a separation cylinder from the inside.SOLUTION: The rotary sieving device includes a separation cylinder 26 formed with sieve meshes 41, wherein a mixture air introduction opening 33 for introducing air containing a transport material prepared by mixing a passing object 4 with a non-passing object 3 to form a spiral flow in the separation cylinder 26 is formed on one end side of the separation cylinder 26; a non-passing object extraction opening 42 for extracting the non-passing object 3 is formed on the other end side of the separation cylinder 26; a casing 27 for receiving the passing object 3 having been released from the sieve meshes 41 is arranged to surround the outer periphery of the separation cylinder 26; and the lower part of the casing 27 is connected to a suction blower 9. In the rotary sieving device, an airflow release device 61 for releasing backwash airflow to the sieve meshes 41 of the separation cylinder 26 toward the inner side from the outside, and a rotation support mechanism 81 for circumferentially rotating the separation cylinder 26 so that the release positions of the backwash airflow are distributed throughout the overall circumference of the separation cylinder 26 are arranged on the outer side of the separation cylinder 26.

Description

本発明は、篩い目通過物と篩い目非通過物とを分離する旋回篩い装置に関するものである。   The present invention relates to a swivel sieving apparatus for separating a sieve passing material and a sieve non-passing product.

機械式振動篩いでは篩い分け困難な見掛け比重の軽い原料等の選別には、原料を空気輸送しながら旋回させ、篩い目で通過するものと通過しないものとに分離している。例えば、特許文献１に示されるように、篩い目通過物は通過しかつ篩い目非通過物は通過しない篩い目が形成された分離筒を備え、この分離筒の一端側に分離筒内で螺旋流となる混合空気を導入する混合空気導入口が設けられ、分離筒の他端側に篩い目非通過物を取り出す取出筒が設けられ、篩い目から放出した篩い目通過物を受けるケーシングが分離筒の外周を包囲するように設けられたものがある。   In order to sort a raw material having a light apparent specific gravity, which is difficult to be screened with a mechanical vibration sieve, the raw material is swirled while being pneumatically transported, and separated into one that passes through a sieve mesh and one that does not pass. For example, as shown in Patent Document 1, a separation cylinder in which a sieve passing material passes and a sieve non-passing material does not pass is provided, and one end of the separation cylinder is spiraled in the separation cylinder. A mixed air introduction port for introducing mixed air to be flowed is provided, a take-out cylinder for taking out non-sieving material is provided at the other end of the separation cylinder, and a casing that receives the sieve passing material discharged from the sieve mesh is separated. Some are provided so as to surround the outer periphery of the cylinder.

特開２００７−２０３１７０号公報JP 2007-203170 A

しかし、従来は、分離筒の篩い目に内側から篩い目非通過物が付着して目詰まりを起こすという不具合があった。
本発明は上記問題点に鑑み、分離筒の外側から逆洗気流を放出して、篩い目の内側に付着する篩い目非通過物を排除して、目詰まりを起こすのを防止することができる旋回篩い装置を提供することを目的としている。 Conventionally, however, there has been a problem that clogging occurs due to adhesion of non-sieving material from the inside to the sieve of the separation cylinder.
In view of the above-mentioned problems, the present invention can discharge a backwash airflow from the outside of the separation cylinder, eliminate non-passage through the sieve mesh, and prevent clogging. The object is to provide a swivel sieve device.

本発明における課題解決のための具体的手段は、次の通りである。
この技術的課題を解決する本発明の旋回篩い装置の技術的手段は、周面に篩い目通過物４と篩い目非通過物３とに分離する篩い目４１を形成した分離筒２６を備え、この分離筒２６の一端側に前記通過物４と非通過物３とが混合した輸送原料を導入して分離筒２６内で螺旋流となる混合空気導入口３３が設けられ、分離筒２６の他端側に非通過物３を取り出す非通過物取出口４２が設けられ、篩い目４１から放出した通過物３を受けるケーシング２７が分離筒２６の外周を包囲するように設けられ、ケーシング２７の下部が吸引ブロワ９と接続された旋回篩い装置において、
前記分離筒２６の外方に、分離筒２６の篩い目４１に外部から内方に向けて逆洗気流を放出する気流放出装置６１と、逆洗気流の放出位置が分離筒２６の全周に亘るように分離筒２６を周方向に回転させる回転支持機構８１とが設けられている点にある。 Specific means for solving the problems in the present invention are as follows.
The technical means of the swivel sieve device of the present invention that solves this technical problem includes a separation cylinder 26 in which a sieve 41 for separating the sieve passing material 4 and the sieve non-passing material 3 is formed on the peripheral surface, The separation cylinder 26 is provided with a mixed air introduction port 33 that introduces a transport raw material in which the passing material 4 and the non-passing material 3 are mixed to form a spiral flow in the separation cylinder 26. A non-passage outlet 42 for taking out the non-passage 3 is provided on the end side, and a casing 27 that receives the passthrough 3 discharged from the sieve mesh 41 is provided so as to surround the outer periphery of the separation cylinder 26. In the swivel sieve device connected to the suction blower 9,
On the outside of the separation cylinder 26, an airflow discharge device 61 that discharges a backwash airflow from the outside toward the inside of the sieve 41 of the separation cylinder 26, and the discharge position of the backwash airflow is on the entire circumference of the separation cylinder 26. A rotation support mechanism 81 that rotates the separation cylinder 26 in the circumferential direction so as to extend is provided.

また、本発明の他の技術的手段は、前記分離筒２６は軸心が上下に配置され、前記気流放出装置６１は、逆洗ブロワ６３とこの逆洗ブロワ６３からの空気を蓄える空気室６６とこの空気室６６の空気を篩い目４１に向けて放出する気流放出口６４とを有し、気流放出口６４は分離筒２６の篩い目４１形成部分の略全長に亘るように上下方向に長く形成されている点にある。   According to another technical means of the present invention, the separation cylinder 26 has an axial center arranged vertically, and the airflow discharge device 61 includes a backwash blower 63 and an air chamber 66 for storing air from the backwash blower 63. And an airflow discharge port 64 that discharges the air in the air chamber 66 toward the sieve screen 41, and the airflow discharge port 64 is long in the vertical direction so as to cover substantially the entire length of the screen 41 forming portion of the separation cylinder 26. It is in a formed point.

また、本発明の他の技術的手段は、前記回転支持機構８１は、分離筒２６を軸心方向に支持する担持手段７２と、分離筒２６の上下部を径方向に支持する上下支持手段７３，７４と、分離筒２６を回転駆動する駆動手段８０とにより構成されている点にある。
また、本発明の他の技術的手段は、前記分離筒２６の上部側に支持フランジ４３を有する支持筒体４４が外嵌固着され、分離筒２６はその下部側に非通過物取出口４２を形成した取出筒４０を有し、ケーシング２７の下部には取出筒４０と連通する非通過物送出管２８を有し、
前記担持手段７２は、支持フランジ４３の下面に接当して分離筒２６の重量を受ける複数のスラストローラ６９により構成され、前記上支持手段７３は、支持筒体４４の外周に接当する複数の上センタリングローラ６７により構成され、前記下支持手段７４は、非通過物送出管２８に設けられていて取出筒４０の外周面に接当する複数の下センタリングローラ７１により構成されている点にある。 According to another technical means of the present invention, the rotation support mechanism 81 includes a support means 72 that supports the separation cylinder 26 in the axial direction, and a vertical support means 73 that supports the upper and lower portions of the separation cylinder 26 in the radial direction. , 74 and drive means 80 for rotationally driving the separation cylinder 26.
According to another technical means of the present invention, a support cylinder 44 having a support flange 43 is fitted and fixed to the upper side of the separation cylinder 26, and the separation cylinder 26 has a non-passage object outlet 42 on its lower side. It has a formed extraction tube 40, and has a non-passage material delivery pipe 28 communicating with the extraction tube 40 at the lower part of the casing 27,
The carrying means 72 is constituted by a plurality of thrust rollers 69 that contact the lower surface of the support flange 43 and receive the weight of the separation cylinder 26, and the upper support means 73 is a plurality of contacts that contact the outer periphery of the support cylinder 44. The lower support means 74 is formed by a plurality of lower centering rollers 71 provided on the non-passage material delivery pipe 28 and coming into contact with the outer peripheral surface of the take-out cylinder 40. is there.

本発明によれば、気流放出装置で篩い目に外部から内方に向けて逆洗気流を放出することにより、分離筒の篩い目に内側から篩い目非通過物が付着して目詰まりを起こすのを分離筒の全周に亘って未然に防止することができる。   According to the present invention, the backwash airflow is discharged from the outside to the inside of the sieve screen by the airflow discharge device, so that the non-passage material is attached from the inside to the screen of the separation cylinder and clogging occurs. Can be prevented over the entire circumference of the separation cylinder.

本発明の一実施形態を示す旋回篩い装置の正面図である。It is a front view of the turning sieve device which shows one Embodiment of this invention. 同旋回篩い装置の斜視図である。It is a perspective view of the turning sieve device. 同旋回篩い装置の平面図である。It is a top view of the turning sieve device. 同図１のＡ−Ａ線断面図である。It is the sectional view on the AA line of the same FIG. 同図１のＢ−Ｂ線断面図である。It is the BB sectional view taken on the line of FIG. 同旋回篩い設備の斜視図である。It is a perspective view of the turning sieve equipment.

以下、本発明の実施の形態を図面に基づいて説明する。
図６は旋回篩い設備の全体構成を示している。同図において、旋回篩い設備は、例えば、空気輸送される原料２からフィルム片、繊維、紙片等（篩い目非通過物３）と、微小片、塵埃、切屑等（篩い目通過物４）とを分離するもので、旋回篩い装置７と分離装置８と第１吸引ブロワ９と第２吸引ブロワ１０と原料投入ホッパー１１とバッグフィルター１２とを備える。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 6 shows the overall configuration of the swivel sieve equipment. In the figure, the swivel sieve equipment includes, for example, a raw material 2 to be transported by air, a film piece, a fiber, a paper piece, etc. (non-passage 3), a fine piece, dust, chips, etc. (passage 4). These are provided with a swivel sieve device 7, a separation device 8, a first suction blower 9, a second suction blower 10, a raw material charging hopper 11, and a bag filter 12.

旋回篩い装置７は、篩い目通過物４とこの篩い目通過物４より大きい形状の篩い目非通過物３とが混合された輸送原料を含む空気から篩い目通過物４と篩い目非通過物３とを分離する。分離装置８は、空気と旋回篩い装置７で分離した篩い目非通過物３とを分離するもので、ロータリバルブ１５で空気を遮断して篩い目非通過物３を回収ケース１６に収納する。なお、分離装置８はサイクロンその他の分離装置で構成してもよい。   The swivel sieving device 7 is composed of air passing material 4 and sieving non-passing material from air containing a transport material in which a sieving passing material 4 and a sieving non-passing material 3 having a shape larger than the sieve passing material 4 are mixed. 3 is separated. The separation device 8 separates the air from the sieve non-passing material 3 separated by the swivel sieving device 7. The rotary valve 15 blocks the air and stores the sieve non-passing material 3 in the recovery case 16. The separation device 8 may be constituted by a cyclone or other separation device.

また、旋回篩い設備は、輸送原料（混合物質）２を原料投入ホッパー１１から旋回篩い装置７に向けて空気輸送する混合物質輸送管１９と、旋回篩い装置７で分離された篩い目非通過物３を旋回篩い装置７から分離装置８に向けて輸送する非通過物輸送管２０と、分離装置８で分離された空気を分離装置８から旋回篩い装置７に向けて送る排気管２１と、旋回篩い装置７で分離された篩い目通過物４を旋回篩い装置７からバッグフィルター１２に向けて空気輸送する排出輸送管２２とを備える。   Further, the swivel sieve equipment includes a mixed material transport pipe 19 for pneumatically transporting the transport raw material (mixed material) 2 from the raw material charging hopper 11 toward the swivel sieve device 7, and a sieve mesh non-passing material separated by the swivel sieve device 7. Non-passing material transport pipe 20 that transports 3 from the swivel sieve device 7 to the separation device 8, an exhaust pipe 21 that sends the air separated by the separation device 8 from the separation device 8 toward the swivel sieve device 7, A discharge transport pipe 22 for pneumatically transporting the sieve passing material 4 separated by the sieving device 7 from the swivel sieving device 7 toward the bag filter 12 is provided.

図１〜図６において、旋回篩い装置７は、分離筒２６とその外方のケーシング２７とを備え、この分離筒２６の上端側（一端側）に混合空気導入ケース２５が設けられ、ケーシング２７の下端側（他端側）に非通過物送出管２８と通過物送出管２９とが設けられている。
混合空気導入ケース２５は円筒状に形成され、混合空気導入口３３と分離空気導入口３４とを有し、下部に円筒状の供給口３５が下方突設されており、混合空気導入口３３から篩い目通過物４と篩い目非通過物３とが混合された輸送原料２を含む混合空気を混合物質輸送管１９から接線方向に導入すると共に、排気管２１からの空気を分離空気導入口３４から接線方向に導入し、これらの混合空気を供給口３５から分離筒２６に供給して分離筒２６内で螺旋流（サイクロン）を生じさせるようになっている。 1 to 6, the swivel sieve device 7 includes a separation cylinder 26 and a casing 27 on the outer side thereof, and a mixed air introduction case 25 is provided on the upper end side (one end side) of the separation cylinder 26. A non-passage material delivery tube 28 and a passage material delivery tube 29 are provided on the lower end side (the other end side) of the material.
The mixed air introduction case 25 is formed in a cylindrical shape, has a mixed air introduction port 33 and a separation air introduction port 34, and has a cylindrical supply port 35 protruding downward from the mixed air introduction port 33. The mixed air containing the transport raw material 2 in which the sieve passing material 4 and the sieve non-passing material 3 are mixed is introduced in the tangential direction from the mixed material transport pipe 19, and the air from the exhaust pipe 21 is separated into the separation air inlet 34. The mixed air is introduced from the supply port 35 to the separation cylinder 26 to generate a spiral flow (cyclone) in the separation cylinder 26.

ここで、混合空気導入ケース２５に混合空気導入口３３の他に分離空気導入口３４を設けてこの分離空気導入口３４から空気を接線方向に導入することにより、分離筒２６に導入する空気が少なくならないように混合空気の流量を調整することができる。
分離筒２６は、上側（一端側）の円筒状の本体筒状部３８と、本体筒状部３８の下端から下方へ徐々に小径になる逆円錐形状の傾斜筒部３９と、傾斜筒部３９の下端からストレート円筒状に下方突出した取出筒４０とを有し、軸心が上下方向を向くように配置され、取出筒４０の下端に非通過物取出口４２が形成されている。 Here, in addition to the mixed air introduction port 33 provided in the mixed air introduction case 25, the separation air introduction port 34 is provided, and air is introduced from the separation air introduction port 34 in the tangential direction, whereby the air introduced into the separation cylinder 26 is changed. The flow rate of the mixed air can be adjusted so as not to decrease.
The separation cylinder 26 includes an upper (one end side) cylindrical main body cylindrical portion 38, an inverted conical inclined cylindrical portion 39 that gradually decreases in diameter from the lower end of the main cylindrical portion 38, and an inclined cylindrical portion 39. And a take-out cylinder 40 that protrudes downward in a straight cylindrical shape from the lower end of the take-out cylinder. The take-out outlet 42 is formed at the lower end of the take-out cylinder 40.

本体筒状部３８にはその周面に軸心方向全長に亘って気流と共に篩い目通過物４と篩い目非通過物３とに分離する篩い目４１（例えばメッシュ）が形成されている。本体筒状部３８は供給口３５と略同一径であってこれと同一軸心上に配置されており、本体筒状部３８の上部に支持フランジ４３を有する支持筒体４４が外嵌固着され、支持筒体４４の上半部は本体筒状部３８から上方突出されて、供給口３５に対して軸心廻りに相対回転自在に外嵌されている。   A sieve 41 (for example, a mesh) is formed on the cylindrical surface of the main body 38 so as to separate the sieve passing material 4 and the sieve non-passing material 3 together with the air flow over the entire length in the axial direction. The main body cylindrical portion 38 has substantially the same diameter as the supply port 35 and is disposed on the same axis, and a support cylindrical body 44 having a support flange 43 is fitted and fixed to the upper portion of the main body cylindrical portion 38. The upper half portion of the support cylinder 44 protrudes upward from the main body cylindrical portion 38 and is externally fitted to the supply port 35 so as to be relatively rotatable about the axis.

分離筒２６の他端側である取出筒４０が保持筒体４６により周方向（軸心廻り）に回転自在に内嵌保持されている。保持筒体４６はその下部側が非通過物送出管２８の上端部に外嵌固着され、上部が取出筒４０側に上方突出されている。
ケーシング２７は分離筒２６の外周を包囲しており、分離筒２６の篩い目４１から放出された篩い目通過物４を受けるようになっている。ケーシング２７は、上部ケース体４９と中央部ケース体５０と下部ケース体５１とを有し、上部ケース体４９は天壁５２を有する円筒状に形成され、下端部に下フランジ５３が設けられている。中央部ケース体５０は円筒状に形成され、上端部と下端部とに上フランジ５５と下フランジ５６とがそれぞれ設けられている。下部ケース体５１は下方側が徐々に小径となった円錐状に形成され、上端部に上フランジ５８が設けられている。 An extraction cylinder 40 that is the other end side of the separation cylinder 26 is fitted and held by a holding cylinder 46 so as to be rotatable in the circumferential direction (around the axis). The lower part of the holding cylinder 46 is externally fitted and fixed to the upper end of the non-passage material delivery pipe 28, and the upper part protrudes upward toward the extraction cylinder 40.
The casing 27 surrounds the outer periphery of the separation cylinder 26 and receives the sieve passing material 4 discharged from the sieve mesh 41 of the separation cylinder 26. The casing 27 includes an upper case body 49, a central case body 50, and a lower case body 51. The upper case body 49 is formed in a cylindrical shape having a top wall 52, and a lower flange 53 is provided at a lower end portion. Yes. The central case body 50 is formed in a cylindrical shape, and an upper flange 55 and a lower flange 56 are provided at the upper end and the lower end, respectively. The lower case body 51 is formed in a conical shape with a gradually decreasing diameter on the lower side, and an upper flange 58 is provided at the upper end portion.

上部ケース体４９と中央部ケース体５０とはそれぞれの下フランジ５３と上フランジ５５とを介して互いに連結され、中央部ケース体５０と下部ケース体５１とはそれぞれの下フランジ５６と上フランジ５８とを介して互いに連結されている。中央部ケース体５０の正面側及び背面側には点検窓５９が設けられており、点検窓５９を開閉することでケーシング２７内を点検することができるようになっている。   The upper case body 49 and the central case body 50 are connected to each other via a lower flange 53 and an upper flange 55, respectively. The central case body 50 and the lower case body 51 are respectively connected to a lower flange 56 and an upper flange 58. And are connected to each other via. An inspection window 59 is provided on the front side and the back side of the central case body 50, and the inside of the casing 27 can be inspected by opening and closing the inspection window 59.

ケーシング２７の下部は通過物送出管２９を介して吸引ブロワ９と接続されている。通過物送出管２９は一端側がケーシング２７の下端部内に連通され、他端側が排出輸送管２２ａに連通されており、旋回篩い装置７で分離された篩い目通過物４を含む空気を排出輸送管２２ａに送出する。
非通過物送出管２８は上端側が分離筒２６の取出筒４０に連通され、下端側がケーシング２７から下方に突出されて非通過物輸送管２０に連通されており、旋回篩い装置７で分離された篩い目非通過物３を含む空気を非通過物輸送管２０に送出する。 A lower portion of the casing 27 is connected to the suction blower 9 via a passing material delivery pipe 29. One end side of the passing material delivery pipe 29 is communicated with the lower end portion of the casing 27, and the other end side is communicated with the discharge transport pipe 22 a. To 22a.
The non-passage material delivery pipe 28 is communicated with the take-out cylinder 40 of the separation cylinder 26 at the upper end side, protrudes downward from the casing 27 and communicates with the non-passage substance transport pipe 20 and separated by the swivel sieve device 7. The air containing the sieve non-passage 3 is sent to the non-passage transport pipe 20.

ケーシング２７に分離筒２６の篩い目４１に外部から内方に向けて逆洗気流を放出する気流放出装置６１が設けられている。気流放出装置６１は逆洗ブロワ６３と気流放出口６４と逆洗連通管６５と空気室６６とを有し、逆洗連通管６５は逆洗ブロワ６３と空気室６６とを連通している。気流放出口６４は空気室６６の空気を篩い目４１に向けて放出するもので、本体筒状部３８の周方向の一部に近接して配置され、篩い目４１に沿って本体筒状部３８（篩い目４１形成部分）の軸心方向の略全長に亘って上下方向に長く形成されている。空気室６６は逆洗ブロワ６３からの空気を蓄えるもので、その上下両端部が気流放出口６４よりも上下に突出するように上下方向に長く形成されている
ケーシング２７の内周面に周方向に間隔をおいて複数の上センタリングローラ６７が突設されている。各上センタリングローラ６７は支持筒体４４の外周面に接当しており、支持筒体４４の外周面を転動するようになっている。 The casing 27 is provided with an airflow discharge device 61 that discharges a backwash airflow from the outside to the inside of the sieve 41 of the separation cylinder 26. The airflow discharge device 61 includes a backwash blower 63, an airflow discharge port 64, a backwash communication pipe 65, and an air chamber 66. The backwash communication pipe 65 communicates the backwash blower 63 and the air chamber 66. The airflow discharge port 64 discharges the air in the air chamber 66 toward the sieve mesh 41, and is disposed close to a part of the circumferential direction of the main body cylindrical portion 38, and along the sieve mesh 41, the main body cylindrical portion. It is formed long in the vertical direction over substantially the entire length of the axial center direction of 38 (the sieve 41 formation portion). The air chamber 66 stores air from the backwash blower 63, and is formed long in the vertical direction so that the upper and lower ends protrude upward and downward from the air flow discharge port 64. The air chamber 66 is circumferential on the inner peripheral surface of the casing 27. A plurality of upper centering rollers 67 are provided protruding at intervals. Each upper centering roller 67 is in contact with the outer peripheral surface of the support cylindrical body 44 and rolls on the outer peripheral surface of the support cylindrical body 44.

ケーシング２７の内周面に複数のスラストローラ６９が周方向に間隔をおいて突設されている。各スラストローラ６９は支持筒体４４の支持フランジ４３の下面に接当しており、分離筒２６の重量を受けながら支持フランジ４３の下面を転動するようになっている。複数の上センタリングローラ６７と複数のスラストローラ６９とはケーシング２７の周方向に等間隔おきにかつ交互に並ぶように配置されている。   A plurality of thrust rollers 69 project from the inner peripheral surface of the casing 27 at intervals in the circumferential direction. Each thrust roller 69 is in contact with the lower surface of the support flange 43 of the support cylinder 44, and rolls on the lower surface of the support flange 43 while receiving the weight of the separation cylinder 26. The plurality of upper centering rollers 67 and the plurality of thrust rollers 69 are arranged so as to be alternately arranged at equal intervals in the circumferential direction of the casing 27.

非通過物送出管２８（具体的には保持筒体４６）の周方向に等間隔をおいて複数の下センタリングローラ７１が突設されている。各下センタリングローラ７１は取出筒４０の外周面に接当しており、取出筒４０の外周面を転動するようになっている。
而して、分離筒２６はケーシング２７に対して軸心廻りに（周方向に）回転自在に支持されており、分離筒２６は支持筒体４４と共に軸心廻りに回転可能であり、複数のスラストローラ６９により、分離筒２６を軸心方向に支持する担持手段７２が構成され、複数の上センタリングローラ６７により、分離筒２６の上部を径方向に支持する上支持手段７３が構成され、複数の下センタリングローラ７１により、分離筒２６の下部を径方向に支持する下支持手段７４が構成されている。 A plurality of lower centering rollers 71 project from the non-passing material delivery pipe 28 (specifically, the holding cylinder 46) at regular intervals in the circumferential direction. Each lower centering roller 71 is in contact with the outer peripheral surface of the extraction cylinder 40 and rolls on the outer peripheral surface of the extraction cylinder 40.
Thus, the separation cylinder 26 is supported so as to be rotatable about the axis (circumferential direction) with respect to the casing 27, and the separation cylinder 26 can be rotated about the axis together with the support cylinder 44. The thrust roller 69 constitutes a supporting means 72 that supports the separation cylinder 26 in the axial direction, and the plurality of upper centering rollers 67 constitutes upper support means 73 that supports the upper part of the separation cylinder 26 in the radial direction. The lower centering roller 71 constitutes a lower support means 74 that supports the lower portion of the separation cylinder 26 in the radial direction.

支持筒体４４の外周にローラーチェン７５が装着され、支持筒体４４の外側方にモータ７６とスプロケットホイル７７とが設けられ、スプロケットホイル７７はスプロケットケース７８に収納されると共にローラーチェン７５に噛合され、モータ７６でスプロケットホイル７７を回転駆動するようになっており、モータ７６とスプロケットホイル７７とローラーチェン７５とにより分離筒２６を周方向に回転駆動する駆動装置８０が構成されている。   A roller chain 75 is mounted on the outer periphery of the support cylinder 44, and a motor 76 and a sprocket wheel 77 are provided on the outer side of the support cylinder 44. The sprocket wheel 77 is accommodated in the sprocket case 78 and meshes with the roller chain 75. The sprocket wheel 77 is rotationally driven by the motor 76, and the motor 76, the sprocket wheel 77, and the roller chain 75 constitute a driving device 80 that rotationally drives the separation cylinder 26 in the circumferential direction.

そして、前記分離筒２６を軸心方向に支持する担持手段７２と、分離筒２６の上下部を径方向に支持する上下支持手段７４と、分離筒２６を回転駆動する駆動手段８０とにより、気流放出装置６１による逆洗気流の放出位置が分離筒２６の全周に亘るように分離筒２６を周方向に回転させる回転支持機構８１が構成されている。
図６に示す前記分離装置８は、ロータリバルブ１５を有する点と、気流放出装置６１及び回転支持機構８１を有さない点で旋回篩い装置７とは異なっているが、その他の点は旋回篩い装置７と略同様の構成である。 The carrier cylinder 72 for supporting the separation cylinder 26 in the axial direction, the vertical support means 74 for supporting the upper and lower portions of the separation cylinder 26 in the radial direction, and the driving means 80 for driving the separation cylinder 26 to rotate A rotation support mechanism 81 is configured to rotate the separation cylinder 26 in the circumferential direction so that the discharge position of the backwash airflow by the discharge device 61 extends over the entire circumference of the separation cylinder 26.
The separation device 8 shown in FIG. 6 is different from the swivel sieve device 7 in that it has a rotary valve 15 and does not have the airflow discharge device 61 and the rotation support mechanism 81, but the other points are the swivel sieve. The configuration is substantially the same as that of the device 7.

上記実施形態によれば、原料投入ホッパー１１に投入した原料である小さい形状の篩い目通過物４と大きい形状の篩い目非通過物３との混合物質２は、第１吸引ブロワ９及び第２吸引ブロワ１０の吸引力乃至送風力によって、混合物質輸送管１９を通して旋回篩い装置７に空気輸送される。また、分離装置８で分離された空気は排気管２１を通して旋回篩い装置７に送られ、ここで、混合物質輸送管１９からの混合物質２と混ぜられる。   According to the above embodiment, the mixed substance 2 of the small-size sieve passing material 4 and the large-size sieve non-passing material 3 which are the raw materials charged into the raw material charging hopper 11 is the first suction blower 9 and the second By the suction force or the blowing force of the suction blower 10, the air is transported to the swivel sieve device 7 through the mixed material transport pipe 19. The air separated by the separation device 8 is sent to the swivel sieving device 7 through the exhaust pipe 21, where it is mixed with the mixed material 2 from the mixed material transport tube 19.

そして、旋回篩い装置７では、篩い目通過物４と篩い目非通過物３とが混合された混合空気が混合空気導入ケース２５から供給口３５を通して分離筒２６内に導入され、この導入した混合空気によって、分離筒２６内で螺旋流が発生して篩い目４１より小さい物が気流と共に通過し、その篩い目通過物４が分離筒２６からケーシング２７内に放出され、排出輸送管２２ａ，２２ｂを通してバッグフィルター１２に空気輸送されて、ここに貯留される。他方、篩い目４１より大きい物が通過できなく、その篩い目非通過物３は分離筒２６内から非通過物輸送管２０を通して分離装置８に空気輸送される。   In the swirl sieve device 7, the mixed air in which the sieve passing material 4 and the sieve non-passing material 3 are mixed is introduced into the separation cylinder 26 from the mixed air introduction case 25 through the supply port 35, and this introduced mixing is performed. A spiral flow is generated in the separation cylinder 26 by the air, and an object smaller than the sieve mesh 41 passes along with the air flow, and the sieve passing article 4 is discharged from the separation cylinder 26 into the casing 27, and the discharge transport pipes 22a and 22b. The air is transported to the bag filter 12 through and stored therein. On the other hand, a thing larger than the sieve mesh 41 cannot pass through, and the sieve non-passage article 3 is pneumatically transported from the inside of the separation cylinder 26 to the separator 8 through the non-passage article transport pipe 20.

この際、気流放出装置６１が外部から篩い目４１に向けて逆洗気流を放出し、回転支持機構８１が分離筒２６への逆洗気流の放出位置を変更すべく分離筒２６を周方向に回転させるので、分離筒２６の全周に亘って篩い目非通過物３を分離筒２６の外周側から中央側に吹き入れることができ、分離筒２６の篩い目４１に内側から篩い目非通過物３が付着して目詰まりを起こすのを分離筒２６の全周に亘って未然に防止することができる。   At this time, the airflow discharge device 61 discharges the backwash airflow from the outside toward the sieve 41, and the rotation support mechanism 81 moves the separation cylinder 26 in the circumferential direction so as to change the discharge position of the backwash airflow to the separation cylinder 26. Since it rotates, the sieve non-passing material 3 can be blown from the outer peripheral side of the separation cylinder 26 to the central side over the entire circumference of the separation cylinder 26, and the sieve mesh 41 of the separation cylinder 26 does not pass through the sieve mesh from the inside. It is possible to prevent the thing 3 from adhering and causing clogging over the entire circumference of the separation cylinder 26.

ここで、気流放出装置６１及び回転支持機構８１の運転は、旋回篩い装置７を運転している間に、連続的に行ってもよく、また時間間隔をおいて断続的に行ってもよい。また、分離筒２６内に放出された逆洗気流は、螺旋流と一緒になり分離筒２６からケーシング２７内に送出され或いは非通過物送出管２８に送出されて分離作用に供し、分離作用に支障を生じさせることはない。   Here, the operation of the airflow discharge device 61 and the rotation support mechanism 81 may be performed continuously while the swivel sieving device 7 is operated, or may be performed intermittently at time intervals. Further, the backwash airflow discharged into the separation cylinder 26 is combined with the spiral flow and sent from the separation cylinder 26 into the casing 27 or sent to the non-passage material delivery pipe 28 for the separation action. It will not cause any trouble.

従って、分離筒２６の目詰まりを効果的に防止して、篩い目通過物４を分離筒２６の篩い目４１からケーシング２７内にスムーズに放出でき、篩い目通過物４をケーシング２７からスムーズに通過物送出管２９を介して排出輸送管２２に送ることができる。また、篩い目非通過物３を分離筒２６の取出筒４０から非通過物送出管２８を介して非通過物輸送管２０にスムーズに送ることができる。   Accordingly, clogging of the separation cylinder 26 is effectively prevented, and the sieve passing material 4 can be smoothly discharged into the casing 27 from the sieve 41 of the separation cylinder 26, and the sieve passing material 4 can be smoothly discharged from the casing 27. It can be sent to the discharge transport pipe 22 via the passing material delivery pipe 29. Further, the sieve non-passing material 3 can be smoothly sent from the take-out tube 40 of the separation tube 26 to the non-passing material transport pipe 20 via the non-passing material delivery pipe 28.

また、気流放出装置６１は、逆洗ブロワ６３からの空気を蓄える空気室６６を有しているので、逆洗ブロワ６３からの空気を空気室６６に蓄えることにより、気流放出口６４の全長から均一な風圧で気流を良好に放出することができ、分離筒２６の篩い目４１に内側から篩い目非通過物３が付着して目詰まりを起こすのを分離筒２６の篩い目４１形成部分の略全長に亘って、より確実に防止することができる。   Further, since the airflow discharge device 61 has the air chamber 66 that stores air from the backwash blower 63, the airflow from the backwash blower 63 is stored in the air chamber 66, so The airflow can be discharged satisfactorily with a uniform wind pressure, and the sieve non-passing material 3 adheres to the sieve mesh 41 of the separation cylinder 26 from the inside and causes clogging. It can prevent more reliably over substantially full length.

また、回転支持機構８１は、複数のスラストローラ６９により構成されて分離筒２６を軸心方向に支持する担持手段７２と、複数の上センタリングローラ６７により構成されて分離筒２６の上部を径方向に支持する上支持手段７３と、複数の下センタリングローラ７１により構成されて分離筒２６の下部を径方向に支持する下支持手段７４と、分離筒２６を回転駆動する駆動手段８０とにより構成されているので、上下支持手段７３，７４よって分離筒２６をその上部と下部とで径方向に大きくガタ付かないように回転自在に支持すると共に、担持手段７２で分離筒２６を上下方向に大きくガタ付かないように軸心方向に支持して、駆動手段８０により分離筒２６をスムーズに回転駆動することができる。   The rotation support mechanism 81 is composed of a plurality of thrust rollers 69 to support the separating cylinder 26 in the axial direction, and a plurality of upper centering rollers 67 to configure the upper portion of the separating cylinder 26 in the radial direction. An upper support means 73 for supporting the separation cylinder 26, a lower support means 74 for supporting the lower part of the separation cylinder 26 in the radial direction, and a drive means 80 for driving the separation cylinder 26 to rotate. Therefore, the upper and lower support means 73 and 74 support the separation cylinder 26 so that the separation cylinder 26 is freely rotatable in the upper and lower portions so that the separation cylinder 26 is not largely rattled in the radial direction. The separation cylinder 26 can be smoothly rotated by the driving means 80 while being supported in the axial direction so as not to stick.

なお、前記実施形態では、混合空気導入ケース２５により、混合物質輸送管１９を通して輸送された混合物質２を含む混合空気と、排気管２１を通して送られた空気とを混合させて、その混合空気を分離筒２６内に導入するようにしているが、これに代え、混合空気導入ケース２５の上部に空気量調整用の空気を導入する調整空気導入口を形成してもよい。   In the above-described embodiment, the mixed air containing the mixed substance 2 transported through the mixed substance transport pipe 19 and the air sent through the exhaust pipe 21 are mixed by the mixed air introduction case 25 and the mixed air is mixed. Although it introduce | transduces in the isolation | separation cylinder 26, it may replace with this and you may form in the upper part of the mixed air introduction case 25 the adjustment air introduction port which introduces the air for air quantity adjustment.

３ 篩い目非通過物
４ 篩い目通過物
７ 旋回篩い装置
９ 第１吸引ブロワ
２６ 分離筒
２７ ケーシング
３３ 混合空気導入口
４０ 取出筒
４１ 篩い目
４２ 非通過物取出口
４３ 支持フランジ
４４ 支持筒体
６１ 気流放出装置
６３ 逆洗ブロワ
６４ 気流放出口
６６ 空気室
６７ 上センタリングローラ
６９ スラストローラ
７３ 支持装置
７１ 下センタリングローラ
７２ 担持手段
７３ 上支持手段
７４ 下支持手段
８０ 駆動装置
８１ 回転支持機構 DESCRIPTION OF SYMBOLS 3 Sieve non-passing material 4 Sieve passing material 7 Swivel sieving device 9 1st suction blower 26 Separation cylinder 27 Casing 33 Mixed air inlet 40 Extraction cylinder 41 Sieve 42 Non-passage extraction outlet 43 Airflow discharge device 63 Backwash blower 64 Airflow discharge port 66 Air chamber 67 Upper centering roller 69 Thrust roller 73 Support device 71 Lower centering roller 72 Carrying means 73 Upper support means 74 Lower support means 80 Drive device 81 Rotation support mechanism

Claims (4)

周面に篩い目通過物（４）と篩い目非通過物（３）とに分離する篩い目（４１）を形成した分離筒（２６）を備え、この分離筒（２６）の一端側に前記通過物（４）と非通過物（３）とが混合した輸送原料を含む空気を導入して分離筒（２６）内で螺旋流となる混合空気導入口（３３）が設けられ、分離筒（２６）の他端側に非通過物（３）を取り出す非通過物取出口（４２）が設けられ、篩い目（４１）から放出した通過物（３）を受けるケーシング（２７）が分離筒（２６）の外周を包囲するように設けられ、ケーシング（２７）の下部が吸引ブロワ（９）と接続された旋回篩い装置において、
前記分離筒（２６）の外方に、分離筒（２６）の篩い目（４１）に外部から内方に向けて逆洗気流を放出する気流放出装置（６１）と、逆洗気流の放出位置が分離筒（２６）の全周に亘るように分離筒（２６）を周方向に回転させる回転支持機構（８１）とが設けられていることを特徴とする旋回篩い装置。 A separation cylinder (26) having a sieve mesh (41) that separates the sieve passing material (4) and the sieve mesh non-passing material (3) is formed on the peripheral surface, and the separation cylinder (26) is provided with one end side of the separation cylinder (26). A mixed air introduction port (33) that introduces air containing a transport raw material in which the passing material (4) and the non-passing material (3) are mixed to form a spiral flow in the separation tube (26) is provided. 26) is provided with a non-passing matter outlet (42) for taking out the non-passing matter (3), and a casing (27) for receiving the passing matter (3) discharged from the sieve mesh (41) is provided with a separation cylinder ( 26) In the swivel sieve device provided so as to surround the outer periphery of the casing (27), the lower part of the casing (27) being connected to the suction blower (9),
An airflow discharge device (61) for discharging a backwash airflow from the outside to the inside (41) of the separation tube (26) on the outside of the separation tube (26), and a discharge position of the backwash airflow And a rotation support mechanism (81) for rotating the separation cylinder (26) in the circumferential direction so that the entire circumference of the separation cylinder (26) extends. 前記分離筒（２６）は軸心が上下に配置され、前記気流放出装置（６１）は、逆洗ブロワ（６３）とこの逆洗ブロワ（６３）からの空気を蓄える空気室（６６）とこの空気室（６６）の空気を篩い目（４１）に向けて放出する気流放出口（６４）とを有し、気流放出口（６４）は分離筒（２６）の篩い目（４１）形成部分の略全長に亘るように上下方向に長く形成されていることを特徴とする請求項１に記載の旋回篩い装置。   The separation cylinder (26) has an axial center arranged vertically, and the airflow discharge device (61) includes a backwash blower (63) and an air chamber (66) for storing air from the backwash blower (63). An air flow discharge port (64) for discharging the air in the air chamber (66) toward the sieve mesh (41), and the air flow discharge port (64) is a portion of the separation cylinder (26) where the sieve mesh (41) is formed. The swivel sieve device according to claim 1, wherein the swivel sieve device is long in the vertical direction so as to extend over substantially the entire length. 前記回転支持機構（８１）は、分離筒（２６）を軸心方向に支持する担持手段（７２）と、分離筒（２６）の上下部を径方向に支持する上下支持手段（７３，７４）と、分離筒（２６）を回転駆動する駆動手段（８０）とにより構成されていることを特徴とする請求項１又は２に記載の旋回篩い装置。   The rotation support mechanism (81) includes a supporting means (72) for supporting the separation cylinder (26) in the axial direction, and a vertical support means (73, 74) for supporting the upper and lower portions of the separation cylinder (26) in the radial direction. And a swivel sieve device according to claim 1 or 2, characterized in that it is constituted by a drive means (80) for rotationally driving the separation cylinder (26). 前記分離筒（２６）の上部側に支持フランジ（４３）を有する支持筒体（４４）が外嵌固着され、分離筒（２６）はその下部側に非通過物取出口（４２）を形成した取出筒（４０）を有し、ケーシング（２７）の下部には取出筒（４０）と連通する非通過物送出管（２８）を有し、
前記担持手段（７２）は、支持フランジ（４３）の下面に接当して分離筒（２６）の重量を受ける複数のスラストローラ（６９）により構成され、前記上支持手段（７３）は、支持筒体（４４）の外周に接当する複数の上センタリングローラ（６７）により構成され、前記下支持手段（７４）は、非通過物送出管（２８）に設けられていて取出筒（４０）の外周面に接当する複数の下センタリングローラ（７１）により構成されていることを特徴とする請求項３に記載の旋回篩い装置。 A support cylinder (44) having a support flange (43) is externally fitted and fixed to the upper side of the separation cylinder (26), and the separation cylinder (26) has a non-passage object outlet (42) formed on the lower side thereof. It has a take-out cylinder (40), and has a non-passage material delivery pipe (28) communicating with the take-out cylinder (40) at the lower part of the casing (27),
The carrying means (72) is composed of a plurality of thrust rollers (69) that contact the lower surface of the support flange (43) and receive the weight of the separation cylinder (26), and the upper support means (73) The upper support roller (67) is in contact with the outer periphery of the cylindrical body (44), and the lower support means (74) is provided in the non-passing material delivery pipe (28), and the extraction cylinder (40). The swivel sieving device according to claim 3, characterized in that it comprises a plurality of lower centering rollers (71) that come into contact with the outer peripheral surface of the swivel.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014084369A (en) * 2012-10-22 2014-05-12 Sumitomo Rubber Ind Ltd Rubber composition for tread and pneumatic tire
CN108212755A (en) * 2017-12-29 2018-06-29 徐州市万达石英有限公司 A kind of environment-friendly type quartz sand sorter and its method of work
CN109261518A (en) * 2018-10-31 2019-01-25 临沭县东升磨料有限公司 One kind being used for silicon carbide sieve classification device

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JP2007203170A (en) * 2006-01-31 2007-08-16 Tatsumi Air Engineering Co Ltd Separation method and separation device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014084369A (en) * 2012-10-22 2014-05-12 Sumitomo Rubber Ind Ltd Rubber composition for tread and pneumatic tire
CN108212755A (en) * 2017-12-29 2018-06-29 徐州市万达石英有限公司 A kind of environment-friendly type quartz sand sorter and its method of work
CN109261518A (en) * 2018-10-31 2019-01-25 临沭县东升磨料有限公司 One kind being used for silicon carbide sieve classification device
CN109261518B (en) * 2018-10-31 2024-05-03 临沭县东升磨料有限公司 Be used for carborundum screening grading plant

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