JP3124997B2 - Screen residue dewatering device - Google Patents
Screen residue dewatering deviceInfo
- Publication number
- JP3124997B2 JP3124997B2 JP10290799A JP29079998A JP3124997B2 JP 3124997 B2 JP3124997 B2 JP 3124997B2 JP 10290799 A JP10290799 A JP 10290799A JP 29079998 A JP29079998 A JP 29079998A JP 3124997 B2 JP3124997 B2 JP 3124997B2
- Authority
- JP
- Japan
- Prior art keywords
- screen residue
- screw
- screen
- dewatering
- delivery cylinder
- 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 - Lifetime
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、小規模下水処理場
等に流入する汚水中から分離したスクリーン渣を適正に
脱水処理するためのスクリーン渣の脱水装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen residue dewatering apparatus for appropriately dewatering a screen residue separated from sewage flowing into a small-scale sewage treatment plant or the like.
【０００２】[0002]
【従来の技術】従来、小規模下水処理場等に流入する汚
水中から分離したスクリーン渣を脱水処理する場合、水
抜き孔を穿設した筒内にスクリーン渣を導入し、筒内に
挿通したスクリューを回転することにより、スクリーン
渣を移送しながら加圧、脱水するようにしている。2. Description of the Related Art Conventionally, when dewatering a screen residue separated from sewage flowing into a small-scale sewage treatment plant or the like, the screen residue is introduced into a cylinder having a drain hole and inserted into the cylinder. By rotating the screw, the screen residue is transferred and pressurized and dehydrated.
【０００３】[0003]
【発明が解決しようとする課題】このように、従来のス
クリーン渣の脱水装置は、筒内に挿通したスクリューを
回転することにより、スクリーン渣を移送しながら、ス
クリーン渣の性状、量等に関係なく、一定の圧力で加
圧、脱水するようにしているため、スクリーン渣の性
状、量等によっては、スクリーン渣が十分に脱水がなさ
れていない状態で脱水装置から排出されたり、必要以上
に脱水に時間をかけることにより作業効率が低下した
り、さらに、スクリーン渣が過脱水状態となり、スクリ
ューに大きな負荷がかかるようになる等の問題があっ
た。As described above, the conventional screen residue dewatering apparatus rotates the screw inserted into the cylinder to transfer the screen residue while controlling the properties and quantity of the screen residue. Instead, depending on the properties and amount of the screen residue, the screen residue may be discharged from the dehydrator without sufficient dehydration, or may be dehydrated more than necessary, depending on the properties and amount of the screen residue. However, there is a problem that the work efficiency is reduced by taking a long time, and further, the screen residue becomes over-dehydrated and a large load is applied to the screw.
【０００４】本発明は、上記従来のスクリーン渣の脱水
装置の有する問題点に鑑み、スクリーン渣の性状、量等
に対応して加圧力を適正に調整することにより、スクリ
ーン渣を適正に脱水できるようにしたスクリーン渣の脱
水装置を提供することを目的とする。The present invention has been made in view of the above-mentioned problems of the conventional screen residue dewatering apparatus, and can appropriately dehydrate the screen residue by appropriately adjusting the pressing force in accordance with the properties and quantity of the screen residue. It is an object of the present invention to provide a screen residue dewatering apparatus as described above.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、本発明のスクリーン渣の脱水装置は、底面にスクリ
ーンを配設したホッパと、ホッパの底部を貫通して配設
したスクリューと、ホッパに接続され、内部に前記スク
リューを挿通し、一部に水抜き孔を穿設した送出筒と、
送出筒の先端に取り付けた加圧用の抵抗板とからなるス
クリーン渣の脱水装置において、前記加圧用の抵抗板
は、ゴム、合成樹脂等からなる可撓性を備えたドーナツ
形をし、外周部を送出筒の先端に固定し、内周部がスク
リーン渣による加圧力に応じて変形し、脱水されたスク
リーン渣の通過を許容するようにしたことを特徴とす
る。In order to achieve the above object, a screen residue dewatering apparatus according to the present invention comprises a hopper having a screen disposed on a bottom surface, a screw disposed through the bottom of the hopper, and a hopper. Connected to the inside, through which the screw is inserted, and a delivery cylinder in which a drain hole is partly drilled,
Scan comprising a resistance plate mounted to the distal end of the delivery tube pressurization
In the dewatering device for clean residue, the pressurizing resistance plate
Is a flexible donut made of rubber, synthetic resin, etc.
Shape, the outer circumference is fixed to the tip of the delivery tube, and the inner circumference is
Dewatered and dehydrated screens are deformed according to the pressure applied by the lean residue.
It is characterized by allowing the passage of lean residue .
【０００６】このスクリーン渣の脱水装置は、ホッパ内
のスクリーン渣を、スクリーンにて被加圧状態で脱水し
た後、スクリューを回転することにより、送出筒内でス
クリーン渣を移送しながら、加圧、脱水し、離脱水を送
出筒に穿設した水抜き孔から排出することができる。こ
のとき、ゴム、合成樹脂等からなる可撓性を備えたドー
ナツ形をし、外周部を送出筒の先端に固定し、内周部が
スクリーン渣による加圧力に応じて変形し、脱水された
スクリーン渣の通過を許容するようにした送出筒の先端
に取り付けた加圧用の抵抗板の作用によって、スクリー
ン渣の性状、量等に対応して加圧力が適正に調整され、
スクリーン渣を適正に脱水することができる。[0006] In this screen residue dewatering apparatus, the screen residue in the hopper is dehydrated in a pressurized state by a screen, and then the screw is rotated to transfer the screen residue in the delivery cylinder while pressing the screen residue. In addition, dewatering and dewatering can be discharged from a drain hole formed in the delivery cylinder. At this time, a flexible dough made of rubber, synthetic resin, or the like is used.
It has a nut shape, the outer periphery is fixed to the tip of the delivery tube, and the inner periphery is
Deformed and dehydrated according to the pressure applied by the screen residue
By the action of the pressurizing resistance plate attached to the tip of the delivery cylinder that allows the screen residue to pass through, the pressing force is appropriately adjusted according to the properties, amount, etc. of the screen residue.
The screen residue can be properly dehydrated.
【０００７】この場合において、送出筒のスクリューを
挿通した基端側部分を脱水区間とするとともに、スクリ
ューを挿通しない先端側部分を脱水調整区間とし、前記
脱水区間の送出筒の周面に、側部から下部に亘たるスク
リューの回転方向に略１／４周の範囲に水抜き孔を穿設
することができる。In this case, the base end of the delivery cylinder through which the screw is inserted is defined as a dewatering section, and the distal end of the delivery cylinder through which the screw is not inserted is defined as a dehydration adjustment section. A drain hole can be formed in a range of approximately 1/4 circumference in the rotation direction of the screw from the part to the lower part.
【０００８】これにより、スクリューを挿通しない脱水
調整区間に送られたスクリーン渣は、スクリューにて移
送される後続のスクリーン渣の圧力を受けて、確実に脱
水される。また、脱水区間の送出筒の周面に、側部から
下部に亘たるスクリューの回転方向の略１／４周の範囲
に水抜き孔を穿設することにより、側部から下部に亘た
るスクリューの回転方向の略１／４周の範囲に位置する
含水率が高いスクリーン渣から水分を脱離させ、この脱
離水を水抜き孔から排出することができるとともに、ス
クリーン渣の含水率が低下しやすいスクリューの回転方
向の残りの略３／４周の範囲を所要の含水率を保持した
状態でスクリーン渣を通過させることができ、スクリー
ン渣が過脱水状態となってスクリューに大きな負荷がか
かることを防止し、スクリーン渣を円滑に移送しながら
適正に脱水することができる。Thus, the screen residue sent to the dewatering adjustment section through which the screw is not inserted is reliably dehydrated by receiving the pressure of the subsequent screen residue transferred by the screw. In addition, a drain hole is formed in the peripheral surface of the delivery cylinder in the dewatering section in a range of approximately one-fourth in the rotation direction of the screw from the side to the lower part, so that the screw from the side to the lower part is formed. Water can be desorbed from the screen residue having a high water content located in a range of approximately 1/4 of the rotation direction of the water, and the desorbed water can be discharged from the drain hole, and the water content of the screen residue decreases. The screen residue can pass through the remaining approximately 3/4 of the rotation direction of the screw while maintaining the required water content, and the screen residue is over-dehydrated and a large load is applied to the screw. And the screen residue can be properly dehydrated while being smoothly transferred.
【０００９】また、送出筒の脱水調整区間の長さを調整
可能にすることができる。Further, the length of the dewatering adjustment section of the delivery cylinder can be adjusted.
【００１０】これにより、スクリーン渣の性状、量等に
対応して加圧力が適正に調整され、スクリーン渣を適正
に脱水することができる。[0010] Thus, the pressing force is appropriately adjusted in accordance with the properties and amount of the screen residue, and the screen residue can be properly dehydrated.
【００１１】また、脱水調整区間に、スクリーン渣の加
圧力の検出手段を配設することができる。In the dewatering adjustment section, a means for detecting the pressing force of the screen residue can be provided.
【００１２】これにより、スクリーン渣の加圧力の検出
手段の検出値に基づいて、スクリーン渣の性状、量等に
対応した加圧力を容易に設定することができ、スクリー
ン渣を適正に脱水することができる。[0012] This makes it possible to easily set the pressing force corresponding to the properties, quantity, etc. of the screen residue based on the detection value of the pressing force detection means for the screen residue, and to properly dehydrate the screen residue. Can be.
【００１３】[0013]
【発明の実施の形態】以下、本発明のスクリーン渣の脱
水装置の実施の形態を図面に基づいて説明する。図１〜
図２に、本発明のスクリーン渣の脱水装置の一実施例を
示す。このスクリーン渣の脱水装置は、底面にスクリー
ン４を配設したホッパ１と、ホッパ１の底部を貫通して
配設したモータ３によって回転駆動されるスクリュー２
と、ホッパ１に接続され、内部にスクリュー２を挿通
し、一部に水抜き孔６１を穿設した送出筒６と、送出筒
６の先端に取り付けた加圧用の抵抗板５とから構成し、
ホッパ１内に下水処理場に流入する汚水を直接導入する
か、又は他の除塵機により汚水中から捕捉したスクリー
ン渣を導入し、ホッパ１内でスクリーン渣を、スクリー
ン４にて被加圧状態で脱水した後、スクリュー２を回転
することにより、送出筒６内でスクリーン渣を移送しな
がら、加圧、脱水し、離脱水を送出筒６に穿設した水抜
き孔６１から排出するようにする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the screen residue dewatering apparatus of the present invention will be described below with reference to the drawings. Figure 1
FIG. 2 shows an embodiment of the screen residue dewatering apparatus of the present invention. The screen residue dewatering device includes a hopper 1 having a screen 4 disposed on a bottom surface thereof, and a screw 2 rotated and driven by a motor 3 disposed through the bottom of the hopper 1.
A delivery cylinder 6 connected to the hopper 1 and having the screw 2 inserted therein and having a drainage hole 61 partially formed therein, and a resistance plate 5 for pressurization attached to the tip of the delivery cylinder 6. ,
The sewage flowing into the sewage treatment plant is directly introduced into the hopper 1, or a screen residue captured from the sewage by another dust remover is introduced. After the dewatering, the screw 2 is rotated so that the screen residue is transferred in the delivery cylinder 6 while being pressurized and dehydrated, and the dewatering is discharged from a drain hole 61 formed in the delivery cylinder 6. I do.
【００１４】スクリュー２は、モータ３に接続されるス
クリュー軸２１の外周に螺旋状の羽根２２を、スクリュ
ー軸２１のほぼ全長に亘って一体に配設して構成する。
この場合、スクリュー２の羽根２２のピッチは、スクリ
ュー２の全長に亘って同一に設定することも、あるい
は、スクリュー２の位置によって加圧力を変化させるこ
とができるように、例えば、スクリュー２の先端ほど小
さくなるように設定することも可能である。また、スク
リュー２の外径は、送出筒６の内周面に摺接するように
設定し、その全長は、所要長さの脱水区間Ｌ１が形成さ
れるように設定するようにする。The screw 2 is constituted by helically extending blades 22 on the outer periphery of a screw shaft 21 connected to the motor 3 and integrally disposed over substantially the entire length of the screw shaft 21.
In this case, the pitch of the blades 22 of the screw 2 may be set to be the same over the entire length of the screw 2 or, for example, the pressing force may be changed according to the position of the screw 2. It is also possible to set so as to be smaller. Further, the outer diameter of the screw 2 is set so as to be in sliding contact with the inner peripheral surface of the delivery cylinder 6, and the entire length thereof is set so as to form a dewatering section L1 of a required length.
【００１５】スクリーン４は、ホッパ１の底面、より具
体的には、スクリュー２の側部から下部に亘って位置す
るように配設し、汚水に含まれる固形物（スクリーン
渣）をスクリーン４に面上に捕捉し、スクリーン４にて
固形物を除去した汚水を、ホッパ１の下部に配設した排
水口１１から外部へ排出するようにする。The screen 4 is disposed so as to be located from the bottom of the hopper 1, more specifically, from the side to the lower part of the screw 2, and solid matter (screen residue) contained in sewage is applied to the screen 4. The wastewater trapped on the surface and from which the solid matter has been removed by the screen 4 is discharged to the outside through a drain port 11 provided at the lower part of the hopper 1.
【００１６】送出筒６は、送出筒６のスクリュー２を挿
通した基端側部分を脱水区間Ｌ１とするとともに、スク
リュー２を挿通しない先端側部分を脱水調整区間Ｌ２と
し、図２（Ｂ）に示すように、脱水区間Ｌ１の送出筒６
の周面に、側部から下部に亘たるスクリュー２の回転方
向に略１／４周の範囲に水抜き孔６１を穿設するように
する。これにより、スクリュー２を挿通しない脱水調整
区間Ｌ２に送られたスクリーン渣は、スクリュー２にて
移送される後続のスクリーン渣の圧力を受けて、確実に
脱水されるものとなる。また、脱水区間Ｌ１の送出筒６
の周面に、側部から下部に亘たるスクリュー２の回転方
向の略１／４周の範囲に水抜き孔６１を穿設することに
より、側部から下部に亘たるスクリュー２の回転方向の
略１／４周の範囲に位置する含水率が高いスクリーン渣
から水分を脱離させ、この脱離水を水抜き孔６１から排
出することができるとともに、スクリーン渣の含水率が
低下しやすいスクリュー２の回転方向の残りの略３／４
周の範囲を所要の含水率を保持した状態でスクリーン渣
を通過させることができ、スクリーン渣が過脱水状態と
なってスクリュー２に大きな負荷がかかることを防止
し、スクリーン渣を円滑に移送しながら適正に脱水する
ことができるものとなる。As shown in FIG. 2 (B), the delivery tube 6 has a dehydration section L1 at the base end portion of the delivery tube 6 through which the screw 2 is inserted, and a dehydration adjustment section L2 at the tip end of the delivery tube 6 where the screw 2 is not inserted. As shown, the delivery cylinder 6 of the dehydration section L1
A drain hole 61 is formed in a circumferential area of about 1/4 in the rotation direction of the screw 2 from the side to the lower part. As a result, the screen residue sent to the dewatering adjustment section L2 in which the screw 2 does not pass through is surely dewatered by receiving the pressure of the subsequent screen residue transferred by the screw 2. In addition, the delivery cylinder 6 of the dehydration section L1
By forming a drain hole 61 on the peripheral surface of the screw 2 in a range of approximately 1/4 of the rotation direction of the screw 2 from the side to the lower part, the rotation direction of the screw 2 from the side to the lower part is reduced. Moisture is desorbed from the screen residue having a high water content located in the range of approximately 1/4 turn, and the desorbed water can be discharged from the drain hole 61, and the water content of the screen residue tends to decrease. Approximately 3/4 of the rotation direction
It is possible to pass the screen residue while maintaining the required moisture content in the peripheral area, and it is possible to prevent the screen residue from being excessively dehydrated to apply a large load to the screw 2 and to smoothly transfer the screen residue. It can be properly dehydrated while.
【００１７】送出筒６の先端に取り付けた加圧用の抵抗
板５は、ゴム、合成樹脂等からなる可撓性を備えたドー
ナツ形をし、外周部を送出筒６の先端にボルト止め等に
て固定し、内周部がスクリーン渣による加圧力に応じて
変形し、脱水されたスクリーン渣の通過を許容するよう
にする。この場合、抵抗板５は、中心部の孔径の異なる
ものや板厚、硬度の異なるものを複数種類用意してお
き、適当な抵抗板５を選択することによって、スクリー
ン渣の性状、量等に対応して加圧力が適正に調整され、
スクリーン渣を適正に脱水することができるようにす
る。The pressurizing resistance plate 5 attached to the tip of the delivery cylinder 6 has a donut shape having flexibility made of rubber, synthetic resin or the like, and the outer peripheral portion is bolted to the tip of the delivery cylinder 6. The inner periphery is deformed according to the pressing force of the screen residue to allow the dewatered screen residue to pass through. In this case, a plurality of types of resistance plates 5 having different hole diameters, plate thicknesses, and hardnesses at the central portion are prepared, and by selecting an appropriate resistance plate 5, the properties and amount of the screen residue can be adjusted. The pressing force is adjusted appropriately,
Make sure that the screen residue can be properly dehydrated.
【００１８】ところで、本実施例においては、送出筒６
におけるスクリュー２を挿通しない脱水調整区間Ｌ２の
長さを一定に構成するようにしたが、この脱水調整区間
Ｌ２の長さを調整可能にすることにより、スクリーン渣
の性状、量等に対応して加圧力が適正に調整し、スクリ
ーン渣を適正に脱水することができる。送出筒６の脱水
調整区間Ｌ２の長さを調整可能にする方法として、図３
（Ａ）に示すように、脱水調整区間Ｌ２を構成する長さ
の異なる調整筒７を複数種類用意しておき、適当な長さ
の調整筒７を選択して、送出筒６の先端に形成したフラ
ンジ６２と調整筒７に形成したフランジ７２とをボルト
８１及びナット８２により接続するようにしたり、図３
（Ｂ）に示すように、脱水調整区間Ｌ２を構成する調整
筒７を送出筒６の先端に摺動可能に挿通し、送出筒６の
中間に形成したフランジ６３と調整筒７に形成したフラ
ンジ７２とを長ボルト８３及び固定ナット８４により接
続する方法を採用することができる。In the present embodiment, the delivery cylinder 6
Although the length of the dewatering adjustment section L2 in which the screw 2 is not inserted is configured to be constant, the length of the dewatering adjustment section L2 is adjustable so that the length and the like of the screen residue can be adjusted. The pressing force is properly adjusted, and the screen residue can be properly dehydrated. As a method for adjusting the length of the dewatering adjustment section L2 of the delivery cylinder 6, FIG.
As shown in (A), a plurality of types of adjusting cylinders 7 having different lengths constituting the dehydration adjusting section L2 are prepared, and an adjusting cylinder 7 having an appropriate length is selected and formed at the tip of the sending cylinder 6. The flange 62 thus formed and the flange 72 formed on the adjustment cylinder 7 are connected by bolts 81 and nuts 82, or FIG.
As shown in (B), the adjusting cylinder 7 constituting the dehydration adjusting section L2 is slidably inserted into the tip of the sending cylinder 6, and the flange 63 formed in the middle of the sending cylinder 6 and the flange formed in the adjusting cylinder 7. 72 may be connected by a long bolt 83 and a fixing nut 84.
【００１９】さらに、図４（Ａ）に示すように、送出筒
６の先端に摺動可能に挿通した調整筒７を、長ボルト８
３に配設したばね８５により送出筒６側に付勢すること
により、加圧力が一定に保持されるようにすることがで
きる。Further, as shown in FIG. 4A, the adjusting cylinder 7 slidably inserted into the tip of the sending cylinder 6 is connected to a long bolt 8.
The pressing force can be kept constant by urging the spring toward the delivery cylinder 6 side by the spring 85 disposed in the third cylinder 3.
【００２０】この場合、リミットスイッチ等のセンサ８
６を配設して、スクリーン渣の加圧力を検出できるよう
にすることができ、このセンサ８６の検出値に基づい
て、スクリーン渣の性状、量等に対応した加圧力を容易
に設定することができるものとなる。また、スクリーン
渣の加圧力の検出は、図４（Ｂ）に示すように、送出筒
６及び調整筒７を連結する長ボルト８３に取り付けたロ
ードセル８７によっても、検出することができる。In this case, a sensor 8 such as a limit switch is used.
6, it is possible to detect the pressing force of the screen residue, and to easily set the pressing force corresponding to the property, amount, etc. of the screen residue based on the detection value of the sensor 86. Can be done. Further, the pressing force of the screen residue can be detected also by a load cell 87 attached to a long bolt 83 connecting the sending cylinder 6 and the adjusting cylinder 7 as shown in FIG. 4 (B).
【００２１】[0021]
【発明の効果】本発明のスクリーン渣の脱水装置によれ
ば、ホッパ内のスクリーン渣を、スクリーンにて被加圧
状態で脱水した後、スクリューを回転することにより、
送出筒内でスクリーン渣を移送しながら、加圧、脱水
し、離脱水を送出筒に穿設した水抜き孔から排出するこ
とができる。このとき、ゴム、合成樹脂等からなる可撓
性を備えたドーナツ形をし、外周部を送出筒の先端に固
定し、内周部がスクリーン渣による加圧力に応じて変形
し、脱水されたスクリーン渣の通過を許容するようにし
た送出筒の先端に取り付けた加圧用の抵抗板の作用によ
って、スクリーン渣の性状、量等に対応して加圧力が適
正に調整され、スクリーン渣を適正に脱水することがで
き、スクリーン渣を効率よく脱水することができる。According to the screen residue dewatering apparatus of the present invention, the screen residue in the hopper is dewatered in a pressurized state by a screen, and then the screw is rotated.
While transferring the screen residue in the delivery tube, pressurization and dehydration can be performed, and separation and dehydration can be discharged from a drain hole formed in the delivery tube. At this time, a flexible material made of rubber, synthetic resin, etc.
The doughnut shape has a flexible shape and the outer periphery is fixed to the tip of the delivery tube.
And the inner circumference is deformed according to the pressing force of the screen residue
To allow the passage of dehydrated screen residue.
By the action of the pressurizing resistance plate attached to the tip of the delivery cylinder, the pressing force is properly adjusted according to the properties, quantity, etc. of the screen residue, and the screen residue can be properly dehydrated, and the screen residue can be removed. Dehydration can be performed efficiently.
【００２２】また、送出筒のスクリューを挿通した基端
側部分を脱水区間とするとともに、スクリューを挿通し
ない先端側部分を脱水調整区間とし、前記脱水区間の送
出筒の周面に、側部から下部に亘たるスクリューの回転
方向に略１／４周の範囲に水抜き孔を穿設することによ
り、スクリューを挿通しない脱水調整区間に送られたス
クリーン渣は、スクリューにて移送される後続のスクリ
ーン渣の圧力を受けて、確実に脱水される。また、脱水
区間の送出筒の周面に、側部から下部に亘たるスクリュ
ーの回転方向の略１／４周の範囲に水抜き孔を穿設する
ことにより、側部から下部に亘たるスクリューの回転方
向の略１／４周の範囲に位置する含水率が高いスクリー
ン渣から水分を脱離させ、この脱離水を水抜き孔から排
出することができるとともに、スクリーン渣の含水率が
低下しやすいスクリューの回転方向の残りの略３／４周
の範囲を所要の含水率を保持した状態でスクリーン渣を
通過させることができ、スクリーン渣が過脱水状態とな
ってスクリューに大きな負荷がかかることを防止し、ス
クリーン渣を円滑に移送しながら適正に脱水することが
できる。A base portion of the delivery cylinder through which the screw is inserted is defined as a dewatering section, and a distal end portion of the delivery cylinder through which the screw is not inserted is defined as a dehydration adjustment section. By forming a drain hole in a range of approximately 1/4 circumference in the rotation direction of the screw extending over the lower part, the screen residue sent to the dewatering adjustment section where the screw is not inserted, the subsequent screen residue transferred by the screw Under the pressure of the screen residue, dehydration is ensured. In addition, a drain hole is formed in the peripheral surface of the delivery cylinder in the dewatering section in a range of approximately one-fourth in the rotation direction of the screw from the side to the lower part, so that the screw from the side to the lower part is formed. Water can be desorbed from the screen residue having a high moisture content located in the range of approximately 1/4 of the rotation direction of the water, and the desorbed water can be discharged from the drain hole, and the water content of the screen residue decreases. The screen residue can pass through the remaining approximately 3/4 of the rotation direction of the screw while maintaining the required water content, and the screen residue is over-dehydrated and a large load is applied to the screw. And the screen residue can be properly dehydrated while being smoothly transferred.
【００２３】また、送出筒の脱水調整区間の長さを調整
可能にすることにより、スクリーン渣の性状、量等に対
応して加圧力が適正に調整され、スクリーン渣を適正に
脱水することができる。Also, by making the length of the dewatering adjustment section of the delivery cylinder adjustable, the pressing force is appropriately adjusted according to the properties and amount of the screen residue, and the screen residue can be properly dehydrated. it can.
【００２４】また、脱水調整区間に、スクリーン渣の加
圧力の検出手段を配設することにより、スクリーン渣の
加圧力の検出手段の検出値に基づいて、スクリーン渣の
性状、量等に対応した加圧力を容易に設定することがで
き、スクリーン渣を適正に脱水することができる。Further, by providing a means for detecting the pressing force of the screen residue in the dewatering adjustment section, the properties and amount of the screen residue can be adjusted based on the detection value of the detecting means for the pressing force of the screen residue. The pressing force can be easily set, and the screen residue can be properly dehydrated.
【図１】本発明のスクリーン渣の脱水装置の一実施例を
示す正面断面図である。FIG. 1 is a front sectional view showing one embodiment of a screen residue dewatering apparatus of the present invention.
【図２】同縦断面図で、（Ａ）は図１のＡ−Ａ線、
（Ｂ）は図１のＢ−Ｂ線、（Ｃ）は図１のＣ−Ｃ線の断
面図である。FIG. 2 is a longitudinal sectional view of the same, (A) is a line AA in FIG. 1,
2B is a cross-sectional view taken along line BB of FIG. 1, and FIG. 2C is a cross-sectional view taken along line CC of FIG. 1.
【図３】本発明のスクリーン渣の脱水装置の実施例の変
形例を示す要部の正面断面図である。FIG. 3 is a front sectional view of a main part showing a modification of the embodiment of the screen residue dewatering apparatus of the present invention.
【図４】本発明のスクリーン渣の脱水装置の実施例の変
形例を示す要部の正面断面図である。FIG. 4 is a front sectional view of a main part showing a modification of the embodiment of the screen residue dewatering apparatus of the present invention.
１ ホッパ ２ スクリュー ３ モータ ４ スクリーン ５ 抵抗板 ６ 送出筒 ７ 調整筒 DESCRIPTION OF SYMBOLS 1 Hopper 2 Screw 3 Motor 4 Screen 5 Resistance plate 6 Delivery cylinder 7 Adjustment cylinder
───────────────────────────────────────────────────── フロントページの続き (72)発明者 米田 晃 兵庫県尼崎市下坂部３丁目11番１号 日 立機電工業株式会社内 (56)参考文献 特開 平６−292999（ＪＰ，Ａ) 特開 平６−292998（ＪＰ，Ａ) 特許175079（ＪＰ，Ｃ２) (58)調査した分野(Int.Cl.7，ＤＢ名) B30B 9/14 B01D 29/25 C02F 11/12 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akira Yoneda 3-1-1, Shimosakabe, Amagasaki-shi, Hyogo Nippon Machinery Co., Ltd. (56) References JP-A-6-292999 (JP, A) JP-A-6-292998 (JP, A) Patent 175079 (JP, C2) (58) Fields investigated (Int. Cl. 7 , DB name) B30B 9/14 B01D 29/25 C02F 11/12
Claims (4)
ホッパの底部を貫通して配設したスクリューと、ホッパ
に接続され、内部に前記スクリューを挿通し、一部に水
抜き孔を穿設した送出筒と、送出筒の先端に取り付けた
加圧用の抵抗板とからなるスクリーン渣の脱水装置にお
いて、前記加圧用の抵抗板は、ゴム、合成樹脂等からな
る可撓性を備えたドーナツ形をし、外周部を送出筒の先
端に固定し、内周部がスクリーン渣による加圧力に応じ
て変形し、脱水されたスクリーン渣の通過を許容するよ
うにしたことを特徴とするスクリーン渣の脱水装置。A hopper having a screen disposed on a bottom surface thereof;
A screw disposed through the bottom of the hopper, a delivery cylinder connected to the hopper, through which the screw is inserted, and a drainage hole partially drilled, and a pressurizing cylinder attached to the tip of the delivery cylinder A screen dewatering device consisting of a resistance plate
The resistance plate for pressing is made of rubber, synthetic resin, or the like.
It has a donut shape with flexibility and the outer periphery is
Fixed to the end, the inner peripheral part according to the pressing force by the screen residue
Deform and allow the passage of dehydrated screen residue
Dehydrator screen residue, characterized in that there was Unishi.
分を脱水区間とするとともに、スクリューを挿通しない
先端側部分を脱水調整区間とし、前記脱水区間の送出筒
の周面に、側部から下部に亘たるスクリューの回転方向
の略１／４周の範囲に水抜き孔を穿設したことを特徴と
する請求項１記載のスクリーン渣の脱水装置。2. A dehydration section is a base end portion of the delivery cylinder through which the screw is inserted, and a dehydration adjustment section is a distal end portion of the delivery cylinder through which the screw is not inserted. 2. The screen residue dewatering device according to claim 1, wherein a drain hole is formed in a range of approximately 1/4 of the rotation direction of the screw over the lower portion.
にしたことを特徴とする請求項１又は２記載のスクリー
ン渣の脱水装置。3. The screen residue dewatering apparatus according to claim 1, wherein the length of the dewatering adjustment section of the delivery cylinder is adjustable.
の検出手段を配設したことを特徴とする請求項１、２又
は３記載のスクリーン渣の脱水装置。4. The screen residue dewatering apparatus according to claim 1, further comprising means for detecting a pressing force of the screen residue in the dewatering adjustment section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10290799A JP3124997B2 (en) | 1998-10-13 | 1998-10-13 | Screen residue dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10290799A JP3124997B2 (en) | 1998-10-13 | 1998-10-13 | Screen residue dewatering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000117494A JP2000117494A (en) | 2000-04-25 |
| JP3124997B2 true JP3124997B2 (en) | 2001-01-15 |
Family
ID=17760656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10290799A Expired - Lifetime JP3124997B2 (en) | 1998-10-13 | 1998-10-13 | Screen residue dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3124997B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362295B2 (en) | 1997-07-17 | 2002-03-26 | Atofina Chemicals, Inc. | Fluoropolymer powder coatings from modified thermoplastic vinylidene fluoride based resins |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4427798B2 (en) | 2005-04-14 | 2010-03-10 | 株式会社石垣 | Operation control method and operation control device for differential speed rotary concentrator |
| DE202006016972U1 (en) * | 2006-11-03 | 2008-03-13 | Mayerhofer, Michael | Vegetable Oil Press |
| CN103253843B (en) * | 2013-03-28 | 2015-04-08 | 上海同臣环保有限公司 | Volume pressure type sludge thickener |
-
1998
- 1998-10-13 JP JP10290799A patent/JP3124997B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362295B2 (en) | 1997-07-17 | 2002-03-26 | Atofina Chemicals, Inc. | Fluoropolymer powder coatings from modified thermoplastic vinylidene fluoride based resins |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000117494A (en) | 2000-04-25 |
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