JPH0730718Y2 - Separation equipment for papermaking - Google Patents
Separation equipment for papermakingInfo
- Publication number
- JPH0730718Y2 JPH0730718Y2 JP12470688U JP12470688U JPH0730718Y2 JP H0730718 Y2 JPH0730718 Y2 JP H0730718Y2 JP 12470688 U JP12470688 U JP 12470688U JP 12470688 U JP12470688 U JP 12470688U JP H0730718 Y2 JPH0730718 Y2 JP H0730718Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- raw material
- separating
- cyclone
- foreign matter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Paper (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、損紙処理又は新聞,雑誌等の故紙処理におい
て、末離解片,異物(金属片,石,プラスチック片,ス
チロール片,ビニール片)を含む製紙用原料から、末離
解片を離解し、異物を系外に廃棄するリジェクト処理用
の製紙用スクリーン装置に関するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention is applied to the disintegration piece, the foreign matter (metal piece, stone, plastic piece, styrene piece, vinyl piece, etc.) in waste paper processing or waste paper processing such as newspapers and magazines. The present invention relates to a papermaking screen device for reject treatment, which disintegrates powdery disintegrated pieces from a papermaking raw material containing a) and discards foreign substances to the outside of the system.
一般に、損紙処理・古紙処理など製紙用設備においては
原料となる繊維懸濁液中の末離解片を離解し、かつ石、
砂、金属片、樹脂片などの異物その他のごみ排除のため
に多数の丸孔又はスリットのあるスクリーンプレートで
密閉ケーシング内を仕切って区画構成したスクリーン装
置が用いられ、このスクリーン装置では原料の流動性を
増大させ、離解及びセパレータの処理能力をあげるため
に密閉ケーシング内のスクリーンプレートに沿って回転
するインペラを配備した分離装置にサイクロンを組合せ
て異物、即ち比較的軽い異物と重い異物との分離機能を
増大させて異物除去効果をあげることが知られている。Generally, in papermaking equipment such as waste paper processing and waste paper processing, the disintegrated fragments in the fiber suspension, which is a raw material,
In order to remove foreign matters such as sand, metal pieces, resin pieces, etc., and other dust, a screen device with a large number of round holes or slits is used to partition the interior of the closed casing to partition the screen. Cyclone combined with a separator equipped with an impeller that rotates along a screen plate in a closed casing in order to increase the dispersibility and improve the disintegration and separator treatment capacity. It is known to increase the function to enhance the foreign matter removing effect.
ところが、この従来の分離装置では、例えば米国特許第
4017033号のように選別機から導き出された重量異物を
含んだ粗離解液をサイクロンにかけて重量異物を排除す
るに際して、サイクロンの出口管を比較的圧力の低い所
に戻したり原料タンク或いは原料タンクからの原料供給
ポンプの吸引側に連結して循環させるようにすると、再
び選別機に戻った重量異物がスクリーンの目詰まりの原
因となって、望ましくないし分離機能も低下するポンプ
の容量を大きくしなければならず問題があった。However, in this conventional separation device, for example, US Pat.
In order to eliminate the heavy foreign matter by applying the coarse disintegration liquid containing the heavy foreign matter derived from the sorter to the cyclone as in No. 4017033, return the cyclone outlet pipe to a place with a relatively low pressure or from the raw material tank or the raw material tank. If it is connected to the suction side of the raw material supply pump and circulated, the heavy foreign matter returned to the sorter again causes the screen to be clogged, which is undesirable and the separation function must be reduced unless the capacity of the pump is increased. There was no problem.
本考案は、これら従来の欠点を適確に排除しようとする
もので、有用繊維と異物とを分離する精選処理能力、特
に重量異物の分離機能を大幅に高められる装置を安価な
状態で提供することを目的としたものである。The present invention intends to properly eliminate these conventional drawbacks, and provides an apparatus capable of significantly enhancing the selective treatment capacity for separating useful fibers and foreign substances, particularly the function of separating heavy foreign substances, in an inexpensive state. This is the purpose.
本考案は、製紙用原料から有用繊維分と不純物の異物分
とに分離するためのスクリーン1を密閉ケーシング2中
に室内を仕切った区画状態で配備し、このスクリーン1
に近接して回転インペラ3を設けた分離装置と、重量異
物を選別分離するためのサイクロン4とを前記分離装置
で分離した異物の導出管5で連結配備したものにおい
て、前記サイクロン4の出口管6を前記ケーシング2へ
の原料供給管7に合流するように連結し、該出口管6の
出口をエルボ管8を介して前記原料供給管7中に開口し
てエゼクタを形成したことを特徴とする製紙用分離装置
である。According to the present invention, a screen 1 for separating a useful fiber component and a foreign substance component of impurities from a papermaking raw material is arranged in a closed casing 2 in a compartmented state, and the screen 1
A separation device provided with a rotary impeller 3 in close proximity to the cyclone 4 and a cyclone 4 for selectively separating and separating heavy foreign matter are connected by a foreign matter discharge pipe 5 separated by the separating device, and an outlet pipe of the cyclone 4 is provided. 6 is connected so as to join the raw material supply pipe 7 to the casing 2, and the outlet of the outlet pipe 6 is opened into the raw material supply pipe 7 through the elbow pipe 8 to form an ejector. It is a separating device for paper making.
パルプチェストAからBで分離装置のケーシング2内に
給液された原料は、スクリーン1の近傍して回転するイ
ンペラ3でスクリーン1を有用繊維が通過して流れ、異
物はストレーナを通過せずに分離されて処理される。ス
クリーン1の前室12側にはスクリーン面を拭う様に接近
させたインペラ3を設け、インペラ3の反対側の中心に
軽量異物の出口管13を設けてあるから、前室12へ送り込
まれた原料はインペラ3の回転によりその回転方向の旋
回,渦流を与えられ、之に伴って生ずる遠心力により原
料中の重量異物は前室12の外周壁に飛ばされ、その周壁
を旋回しながら導出管5に落ち、導出管5の弁の間歇的
な開閉により排除され、一方の軽量異物(原料より軽い
もの)は前室12内の旋回,渦流によって室の中央部に生
ずる渦柱の作用により中央部に群集するから、前室12の
前蓋の中央部に設けた軽量異物出口管13の弁を間歇的に
開けば、軽量異物は出口管13から外部へ排除されるた
め、原料中の異物の大半は前室において除去される。The raw material fed into the casing 2 of the separating device in the pulp chests A to B flows through the screen 1 by the useful fibers passing through the impeller 3 rotating near the screen 1, and the foreign matter does not pass through the strainer. Separated and processed. Since the front chamber 12 side of the screen 1 is provided with an impeller 3 which is brought close to the screen surface so as to wipe the screen surface, and an outlet pipe 13 for lightweight foreign matter is provided at the center on the opposite side of the impeller 3, the impeller 3 is fed into the front chamber 12. The raw material is given a swirling and swirling flow in the direction of rotation by the rotation of the impeller 3, and the heavy foreign matter in the raw material is blown to the outer peripheral wall of the front chamber 12 by the centrifugal force accompanying the rotation, and the outlet pipe is swirling the peripheral wall. 5 and is removed by intermittent opening and closing of the valve of the outlet pipe 5, and one light foreign substance (lighter than the raw material) is swirled in the front chamber 12 and swirled in the center of the chamber due to the action of the vortex column. Since the light foreign substances are crowded in the part, the light foreign substance is removed from the outlet pipe 13 to the outside by intermittently opening the valve of the light foreign substance outlet pipe 13 provided in the central portion of the front lid of the front chamber 12 Most of them are removed in the anterior chamber.
そして、導出管5からサイクロン4に旋回流で導入され
る異物混入液はサイクロン作用で重量異物は中心部分に
集められ、下方の排出管14から出て、また紙原料は出口
管6より導出されてエルボ管8から原料供給管7にエゼ
クタ作用で吸引されケーシング2内に合流しつつ循環
し、分離装置から紙質の循環性が良好になって分離装置
での紙料の旋回も良く重量異物を低圧で分離することが
可能となった。即ちエルボ管8が原料供給管7の流路内
に導入されて開口しているため、吸引効果を高め、サイ
クロン作用を良好にし、重量異物の分離機能を高めるほ
か、原料供給用のポンプ容量も小さなもので済みランニ
ングコストも著しく軽減できる装置とすることができ
る。The foreign matter mixed liquid introduced from the outlet pipe 5 to the cyclone 4 in a swirling flow collects heavy foreign matter in the central portion by the cyclone action, and exits from the discharge pipe 14 below, and the paper raw material is led out from the outlet pipe 6. From the elbow pipe 8 to the raw material supply pipe 7 by the ejector action and circulates in the casing 2 while merging and circulating, and the circulation of the paper quality from the separating device is improved, the swirling of the paper material in the separating device is good, and heavy foreign matter is removed. It became possible to separate at low pressure. That is, since the elbow pipe 8 is introduced into the flow path of the raw material supply pipe 7 and opened, the suction effect is enhanced, the cyclone action is improved, the heavy foreign matter separating function is enhanced, and the pump capacity for raw material supply is also increased. The device can be small and the running cost can be remarkably reduced.
本考案の実施例を第1〜6図例で説明すると、製紙用原
料の繊維懸濁液から有用繊維分と不純物の異物分とに分
離するためスクリーン1を密閉ケーシング2中に室内を
仕切った区画状態で配備し、このスクリーン1に近接し
て回転インペラ3を設けた分離装置と、重量異物を選別
分離するためのサイクロン4とを前記分離装置で分離し
た異物の導出管5で連結配備したものにおいて、前記サ
イクロン4の出口管6を前記ケーシング2への原料供給
管7に合流するように連結し、該出口管6の出口をエル
ボ管8を介して前記原料供給管7中に開口してエゼクタ
を形成して製紙用分離装置としてある。An embodiment of the present invention will be described with reference to FIGS. 1 to 6. In order to separate a fiber suspension of a papermaking raw material into a useful fiber component and a foreign substance component of impurities, a screen 1 is partitioned into a closed casing 2 inside the room. A separating device provided in a divided state and provided with a rotating impeller 3 in the vicinity of the screen 1 and a cyclone 4 for separating and separating heavy foreign matter are connected and deployed by a foreign matter outlet pipe 5 separated by the separating apparatus. Of the cyclone 4, the outlet pipe 6 of the cyclone 4 is connected so as to join the raw material supply pipe 7 to the casing 2, and the outlet of the outlet pipe 6 is opened into the raw material supply pipe 7 through an elbow pipe 8. The ejector is formed as a separating device for papermaking.
前記分離装置としては、ケーシング2のスクリーン1で
区画された後室121内にロータ15及び円筒形スクリーン1
6を設けて出口管18のある精選原料室17と、異物導出管1
9のある後室121とを配設して前記スクリーン1とでダブ
ルセパレータとしてあるが、この分離装置のケーシング
2に連結される前記原料供給管7に透明管9を介在配備
し、該透明管9の上流側にエルボ管8を開口装備してエ
ゼクタを構成するのが可視判断のために有効な構成であ
り、また、前記エルボ管8に連結接続されるサイクロン
4の出口管6に開閉弁10を介在配備すると共に、レジュ
ーサ11を介して前記サイクロン4に連結するのがよく、
エルボ管8は原料供給管7内の中心部に導入されて開口
させて吸引効果を高めサイクロン作用を良好にしてあ
る。As the separating device, a rotor 15 and a cylindrical screen 1 are provided in a rear chamber 12 1 defined by a screen 1 of a casing 2.
A selective raw material chamber 17 provided with an outlet pipe 18 and a foreign matter discharge pipe 1
A rear chamber 12 1 having 9 is provided to form a double separator together with the screen 1. A transparent tube 9 is provided in the raw material supply pipe 7 connected to the casing 2 of the separating device to provide a transparent material. It is effective for visual judgment to construct an ejector by providing an elbow pipe 8 on the upstream side of the pipe 9 and to open / close the outlet pipe 6 of the cyclone 4 connected and connected to the elbow pipe 8. It is preferable to interpose a valve 10 and connect it to the cyclone 4 through a reducer 11.
The elbow pipe 8 is introduced into the center of the raw material supply pipe 7 and opened to enhance the suction effect and improve the cyclone action.
なお、このエルボ管8は原料供給管7の流路断面に臨ん
でその開口端が、開放されるように接続連結することが
必要で、Y字形に合流させたり直交合流させたりしては
エゼクタが形成されないので避けるべきであり、エルボ
管の出口端は若干テーパーに絞ったノズルにしてもよ
く、原料供給管7側を断面積を縮小して加圧流路にしエ
ゼクタ効果を向上させた形態とすることも選んででき
る。The elbow pipe 8 needs to be connected and connected so that the opening end of the elbow pipe 8 faces the flow passage cross section of the raw material supply pipe 7 and is opened. Since it is not formed, the outlet end of the elbow pipe may be a nozzle with a slight taper, and the cross-sectional area of the raw material supply pipe 7 side is reduced to a pressurized flow path to improve the ejector effect. You can also choose what to do.
図中61は透明配管、20は回転軸、21は軸受部、22はモー
タ、23は希釈水流入管、24はダンパ、25はバルブであ
る。Figure 6 1 transparent pipe, 20 a rotating shaft, 21 is a bearing portion, 22 is a motor, the dilution water inlet pipe 23, 24 damper, 25 is a valve.
本考案は、製紙用原料の繊維懸濁液から有用繊維分と不
純物の異物分とに分離するための分離装置と、重量異物
を選別分離するためのサイクロンとを前記分離装置で分
離した異物の導出管で連結配備したものにおいて、前記
サイクロンの出口管を前記ケーシングへの原料供給管に
合流するように連結し、該出口管の出口をエルボ管を介
して前記原料供給管中に開口してエゼクタを形成したこ
とにより、細かいごみを適確に分離し、離解能力も大き
く有用繊維と異物とを分離する精選処理力の高い装置と
し、ケーシング内を高速旋回して生ずる遠心力の作用で
原料中に混入する金属片、石,その他の重量異物等の異
物は外周へ分離され、重量異物の排出部へ集められ異物
導出管を経てサイクロンに排出されサイクロン作用で重
量異物は適確に効率よく分離でき、さらに原料供給管に
連結されるエルボ管でエゼクタ作用を大幅に高めサイク
ロン出口管によって吸引される循環流で分離効果を良好
にし、しかも分離装置に再循環される異物を可及的に少
なくし、スクリーン目詰まり現象を起こすことなく安全
に運転することが、可能となり、しかも原料供給ポンプ
もコンパクトで安価なものですみ能率良いスクリーン作
業が可能な分離装置を安価な状態で提供することができ
る。The present invention provides a separation device for separating a useful fiber component and a foreign substance component of impurities from a fiber suspension of a papermaking raw material, and a cyclone for separating and separating heavy foreign substances by the separation device. In what is connected and deployed by the outlet pipe, the outlet pipe of the cyclone is connected so as to join the raw material supply pipe to the casing, and the outlet of the outlet pipe is opened into the raw material supply pipe through the elbow pipe. By forming an ejector, it is possible to separate fine dust accurately and to dissociate useful fibers and foreign substances with great disaggregation ability. Foreign substances such as metal pieces, stones, and other heavy foreign substances that are mixed inside are separated to the outer periphery, collected in the heavy foreign substance discharge section, and discharged into the cyclone through the foreign substance discharge pipe. The elbow pipe connected to the raw material supply pipe enhances the ejector action significantly, and the circulation flow sucked by the cyclone outlet pipe improves the separation effect, and the foreign matter recirculated to the separation device is minimized. It can be operated safely without causing screen clogging, and the raw material supply pump is also compact and inexpensive, providing a separation device at a low cost that enables efficient screen work. be able to.
第1図は本考案の実施例の一部切断側面図、第2図は第
1図のI−I線の切断断面図、第3図は正面図、第4図
は平面図、第5図は一部の拡大縦断面図、第6図は一使
用状態の斜面図である。 1……スクリーン、2……ケーシング、3……インペ
ラ、4……サイクロン、5……異物導出管、6……出口
管、7……原料供給管、8はエルボ管、9は透明管、10
……開閉弁、11……レジューサ、12……前室、121……
後室。1 is a partially cutaway side view of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line I--I of FIG. 1, FIG. 3 is a front view, FIG. 4 is a plan view, and FIG. FIG. 6 is a partially enlarged vertical sectional view, and FIG. 6 is a perspective view of one use state. 1 ... Screen, 2 ... Casing, 3 ... Impeller, 4 ... Cyclone, 5 ... Foreign matter outlet pipe, 6 ... Outlet pipe, 7 ... Raw material supply pipe, 8 Elbow pipe, 9 Transparent pipe, Ten
…… Open / close valve, 11 …… Reducer, 12 …… Front room, 12 1 ……
Back room.
Claims (3)
分とに分離するためのスクリーン(1)を密閉ケーシン
グ(2)中に室内を仕切った区画状態で配備し、このス
クリーン(1)に近接して回転インペラ(3)を設けた
分離装置と、重量異物を選別分離するためのサイクロン
(4)とを前記分離装置で分離した異物の導出管(5)
で連結配備したものにおいて、前記サイクロン(4)の
出口管(6)を前記ケーシング(2)への原料供給管
(7)に合流するように連結し、該出口管(6)の出口
をエルボ管(8)を介して前記原料供給管(7)中に開
口してエゼクタを形成したことを特徴とする製紙用分離
装置。1. A screen (1) for separating a useful fiber component and a foreign matter component of impurities from a raw material for papermaking is arranged in a closed casing (2) in a partitioned state of the room, and the screen (1) is provided. Foreign matter discharge pipe (5) obtained by separating a separating device provided with a rotating impeller (3) close to the air conditioner and a cyclone (4) for separating and separating heavy foreign matter by the separating device.
In the case where the outlet pipe (6) of the cyclone (4) is joined to the raw material supply pipe (7) to the casing (2), the outlet of the outlet pipe (6) is connected to the elbow. A papermaking separation device, characterized in that an ejector is formed by opening the raw material supply pipe (7) through a pipe (8).
備し、該透明管(9)の上流側にエルボ管(8)を開口
装備してエゼクタを構成したことを特徴とする製紙用分
離装置。2. A ejector is constructed by disposing a transparent pipe (9) in the raw material supply pipe (7) and providing an elbow pipe (8) on the upstream side of the transparent pipe (9). Separation device for papermaking.
クロン(4)の出口管(6)に開閉弁(10)を介在配備
すると共に、レジューサ(11)を介して前記サイクロン
(4)に連結した請求項1または2記載の分離装置。3. An on-off valve (10) is interposed between an outlet pipe (6) of a cyclone (4) connected to the elbow pipe (8), and the cyclone (4) is provided via a reducer (11). 3. The separation device according to claim 1, which is connected to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12470688U JPH0730718Y2 (en) | 1988-09-26 | 1988-09-26 | Separation equipment for papermaking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12470688U JPH0730718Y2 (en) | 1988-09-26 | 1988-09-26 | Separation equipment for papermaking |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0246896U JPH0246896U (en) | 1990-03-30 |
JPH0730718Y2 true JPH0730718Y2 (en) | 1995-07-12 |
Family
ID=31374673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12470688U Expired - Fee Related JPH0730718Y2 (en) | 1988-09-26 | 1988-09-26 | Separation equipment for papermaking |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0730718Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2577829B2 (en) * | 1991-04-15 | 1997-02-05 | 株式会社サトミ製作所 | Stock selection method |
-
1988
- 1988-09-26 JP JP12470688U patent/JPH0730718Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0246896U (en) | 1990-03-30 |
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