JPH0839290A - Solid-liquid separator - Google Patents
Solid-liquid separatorInfo
- Publication number
- JPH0839290A JPH0839290A JP6174187A JP17418794A JPH0839290A JP H0839290 A JPH0839290 A JP H0839290A JP 6174187 A JP6174187 A JP 6174187A JP 17418794 A JP17418794 A JP 17418794A JP H0839290 A JPH0839290 A JP H0839290A
- Authority
- JP
- Japan
- Prior art keywords
- solid
- screw
- chamber
- squeezing
- liquid
- 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.)
- Withdrawn
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、過水分状態の糞または
糞尿の混合物（以下、固液混合物という）を固形物と液
状物に分離する固液分離装置、特に、固液混合物から過
剰の液状物を搾り出し、発酵に必要な液状物を含有する
固形物を得る際に使用する固液分離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 solid-liquid separation device for separating a mixture of feces or manure (hereinafter referred to as a solid-liquid mixture) in an excessively water state into a solid substance and a liquid substance, and more particularly, an excess amount of the solid-liquid mixture. The present invention relates to a solid-liquid separation device used when squeezing a liquid material to obtain a solid material containing the liquid material necessary for fermentation.
【０００２】[0002]
【従来の技術】従来のこの種の固液分離装置としては、
特開平２−２５８１９６号公報に開示されているものが
ある。図４〜図６に示す装置がそれである。2. Description of the Related Art As a conventional solid-liquid separation device of this type,
There is one disclosed in JP-A-2-258196. That is the device shown in FIGS.
【０００３】図において、Ｃは基端側を底板１で閉塞
し、先端側を開口部２とする有底円筒形のケーシングで
ある。ケーシングＣの底板１側は、固液混合物を供給す
る供給室Ｋとなっており、その開口部２側は固液混合物
から液状物を搾液する第１搾液室Ｓ1 とこれに続く第２
搾液室Ｓ2 となっており、両室Ｓ1 ，Ｓ2 の前記開口部
２側は、搾液されて残った固液混合物の中の固形物を吐
出する吐出室Ｔとなっている。３は供給管Ｋに設けた固
液混合物の供給管、４は同じく流出管である。In the figure, C is a bottomed cylindrical casing whose base end is closed by a bottom plate 1 and whose front end is an opening 2. The bottom plate 1 side of the casing C is a supply chamber K for supplying a solid-liquid mixture, and the opening 2 side thereof is a first squeezing chamber S 1 for squeezing a liquid substance from the solid-liquid mixture and a second squeezing chamber S 1 following this. Two
Has a Shiboekishitsu S 2, the opening portion 2 of the chambers S 1, S 2 has a discharge chamber T for discharging the solids in the remaining solid-liquid mixture is Shiboeki. Reference numeral 3 is a solid-liquid mixture supply pipe provided in the supply pipe K, and 4 is an outflow pipe.
【０００４】上記供給室Ｋと吐出室Ｔは、水密構造の壁
体Ｗ1 で構成されており、第１，第２搾液室Ｓ1 ，Ｓ2
はメッシュ構造の壁体Ｗ2 で構成されている。ここにい
うメッシュ構造の壁体は、０．５〜１．５mmの間隔を設
けてケーシングＣの軸線方向に平行に並べたメッシュロ
ッドで形成されている。The supply chamber K and the discharge chamber T are composed of a watertight wall W 1 , and have first and second squeezing chambers S 1 and S 2.
Is composed of a wall W 2 having a mesh structure. The wall body of the mesh structure mentioned here is formed of mesh rods arranged in parallel with the axial direction of the casing C at intervals of 0.5 to 1.5 mm.
【０００５】Ｈは、第１，第２搾液室Ｓ1 ，Ｓ2 の周囲
に円筒状に設けた排液室、すなわち第１，第２搾液室Ｓ
1 ，Ｓ2 で固液混合物から搾り出された液状物を排出す
る排液室である。５は排液室に排出された搾液を外部に
排出するための排出管である。H is a drainage chamber provided in a cylindrical shape around the first and second squeezing chambers S 1 and S 2 , that is, the first and second squeezing chambers S.
This is a drainage chamber for discharging the liquid substance squeezed out of the solid-liquid mixture in 1 and S 2 . Reference numeral 5 is a discharge pipe for discharging the squeezed liquid discharged to the liquid discharge chamber to the outside.
【０００６】ＮはケーシングＣの中に同軸的に配設され
たスクリューで、スクリュー軸６にねじ羽根７を設けて
形成されている。[0006] N is a screw coaxially arranged in the casing C, which is formed by providing a screw blade 7 on the screw shaft 6.
【０００７】８はモータで、その回転駆動力をスクリュ
ーＮに伝達する回転伝導装置９とともに、底板１に装着
されている。スクリューＮは、回転伝導装置９の出力軸
に連結され、モータ８によって駆動される。Reference numeral 8 denotes a motor, which is mounted on the bottom plate 1 together with a rotation transmission device 9 for transmitting the rotation driving force to the screw N. The screw N is connected to the output shaft of the rotation transmission device 9 and is driven by the motor 8.
【０００８】スクリューＮのねじ羽根７は、同スクリュ
ーＮのケーシングＣへの配設状態において、供給室Ｋと
第１搾液室Ｓ1 に位置するように設けられている。ねじ
羽根７のピッチは、供給室Ｋから第１搾液室Ｓ1 にかけ
て同じである。そして、ねじ羽根７の直径は、供給室Ｋ
では一様に大きく、ケーシングＣの内径と同程度であ
り、第１搾液室Ｓ1 では、スクリュー軸６の先端側へ向
けて次第に小さくなっている。The screw blade 7 of the screw N is provided so as to be located in the supply chamber K and the first squeezing chamber S 1 when the screw N is arranged in the casing C. The pitch of the screw blades 7 is the same from the supply chamber K to the first squeezing chamber S 1 . The diameter of the screw blade 7 is the supply chamber K.
Is uniformly large, is approximately the same as the inner diameter of the casing C, and is gradually smaller toward the tip side of the screw shaft 6 in the first squeezing chamber S 1 .
【０００９】Ｇは、吐出室Ｔから吐出される固形物の吐
出速度、したがって、固液混合物の移動速度を調節する
吐出量調整装置である。Reference numeral G denotes a discharge amount adjusting device for adjusting the discharge speed of the solid material discharged from the discharge chamber T, that is, the moving speed of the solid-liquid mixture.
【００１０】この装置Ｇは、吐出室Ｔの吐出口の下側を
遮るように配設した邪魔板１０と、これを回動自在に支
持する回転軸１１と、邪魔板１０に取り付けたアーム１
２と、アーム１２にスライド可能に取り付けた重り１３
とより構成されている。固形物の吐出速度は、固形物の
吐出圧に応じて重り１３の位置を調整することにより行
われる。In this device G, a baffle plate 10 arranged so as to block the lower side of the discharge port of the discharge chamber T, a rotary shaft 11 for rotatably supporting the baffle plate 10, and an arm 1 attached to the baffle plate 10.
2 and a weight 13 slidably attached to the arm 12.
It is composed of The discharge speed of the solid matter is adjusted by adjusting the position of the weight 13 according to the discharge pressure of the solid matter.
【００１１】次に、上記構成に基く動作を説明する。Next, the operation based on the above configuration will be described.
【００１２】（１）供給室Ｋに供給された固液混合物
は、スクリューＮの回転による圧力の上昇によって第
１，第２搾液室Ｓ1 ，Ｓ2 を経て吐出室Ｔへ圧送され
る。(1) The solid-liquid mixture supplied to the supply chamber K is pressure-fed to the discharge chamber T via the first and second squeezing chambers S 1 and S 2 by the increase in pressure due to the rotation of the screw N.
【００１３】（２）固液混合物が第１搾液室Ｓ1 に至る
と、固液混合物とメッシュ構造の壁体の摩擦により、ま
た、ここでのねじ羽根７の直径が先端に向けて次第に小
さくなっており、供給室Ｋにおけるねじ羽根７の直径が
一様に大きいので、第１搾液室Ｓ1 における前記固液混
合物は、さらに圧縮され、そのときの搾液がメッシュ構
造の壁体から排液室Ｈに排出される。(2) When the solid-liquid mixture reaches the first squeezing chamber S 1 , the friction between the solid-liquid mixture and the wall of the mesh structure causes the diameter of the screw blade 7 to gradually increase toward the tip. Since it is small and the diameter of the screw blade 7 in the supply chamber K is uniformly large, the solid-liquid mixture in the first squeezing chamber S 1 is further compressed, and the squeezing at that time is a mesh-structured wall body. Is discharged to the drainage chamber H.
【００１４】（３）この搾液は、次の第２搾液室Ｓ2 に
おいても、引きつづき同様に、行われる。この搾液工程
で、固液混合物は次第に液状物の少ない固形物となる。(3) This squeezing is also performed in the next second squeezing chamber S 2 in the same manner. In this squeezing step, the solid-liquid mixture gradually becomes a solid with less liquid.
【００１５】（４）固形物が吐出室Ｔに至ると、同固形
物とメッシュ構造の壁体との摩擦は小さくなるので、開
口部よりスムーズに排出される。(4) When the solid matter reaches the discharge chamber T, the friction between the solid matter and the wall of the mesh structure becomes small, so that the solid matter is smoothly discharged from the opening.
【００１６】（５）吐出室Ｔからの固形物の吐出速度を
調整して固液混合物からの搾液度を可変する場合は、吐
出量調整装置の重り１３の位置を所要の位置にセットす
る。このようにすれば、固液混合物の粘度等に合わせた
搾液が可能になる。(5) When the discharge rate of the solid matter from the discharge chamber T is adjusted to vary the degree of squeezing from the solid-liquid mixture, the position of the weight 13 of the discharge rate adjusting device is set to a desired position. . This makes it possible to squeeze the liquid according to the viscosity of the solid-liquid mixture.
【００１７】[0017]
【発明が解決しようとする課題】しかしながら、従来の
固液分離装置は、上述のように、ねじ羽根７のビッチが
供給室Ｋから第１搾液室Ｓ1 にかけて同じであり、かつ
ねじ羽根７の直径が、供給室Ｋにおいては、一様に大き
く、第１搾液室Ｓ1 においては、先端に向けて次第に小
さくなっているので、次のような問題点がある。However, in the conventional solid-liquid separation device, as described above, the bite of the screw blade 7 is the same from the supply chamber K to the first squeezing chamber S 1 , and the screw blade 7 is the same. The diameter of is uniformly large in the supply chamber K and gradually becomes smaller in the first squeezing chamber S 1 toward the tip, so there is the following problem.
【００１８】（１）供給室Ｋから第１搾液室Ｓ1 への固
液混合物の移動量が第１，第２搾液室Ｓ1 ，Ｓ2 におけ
る固液混合物の移動量より多くなるので、固液混合物に
対する圧縮力が過大になる。その結果、壁体のメッシュ
に目詰りが発生する。(1) Since the moving amount of the solid-liquid mixture from the supply chamber K to the first squeezing chamber S 1 is larger than the moving amount of the solid-liquid mixture in the first and second squeezing chambers S 1 and S 2 . , The compression force against the solid-liquid mixture becomes excessive. As a result, the mesh of the wall body is clogged.
【００１９】（２）上述のように、メッシュに目詰りが
生ずるので、また、第１，第２搾液室における固液混合
物の移動量が少ないので、固液混合物の搾液効率が悪く
なる。(2) As described above, the mesh is clogged, and the movement amount of the solid-liquid mixture in the first and second squeezing chambers is small, so that the squeezing efficiency of the solid-liquid mixture is deteriorated. .
【００２０】（３）供給室Ｋに投入される固液混合物の
中にねじ羽根７のピッチに相当の大きさの固形物が混入
していると、ねじ羽根のピッチが同じになっているの
で、この固形物が圧送される全過程で、ねじ羽根７に摩
擦抵抗として働き、スクリューに過大な負荷を与える。
その結果、ねじ羽根７が破損するおそれがある。また、
ピッチが同じになっているので、固液混合物が団子状態
になってスクリューと共回りし、搾液効率が悪くなるこ
とがある。(3) If a solid material having a size corresponding to the pitch of the screw blades 7 is mixed in the solid-liquid mixture charged into the supply chamber K, the screw blades have the same pitch. In the entire process of pumping this solid matter, it acts as a frictional resistance on the screw blade 7 and exerts an excessive load on the screw.
As a result, the screw blade 7 may be damaged. Also,
Since the pitch is the same, the solid-liquid mixture may be in a dumpling state and co-rotate with the screw, resulting in poor squeezing efficiency.
【００２１】また、従来の固液分離装置は、第１，第２
搾液室Ｓ1 ，Ｓ2 のメッシュ構造の壁体を通して搾液す
る構成になっていて、スクリューＮのスクリュー軸側で
の搾液は行えないので、固液混合物のスクリュー軸回り
の搾液が不充分になる。Further, the conventional solid-liquid separation device has the first and second
Since the liquid is squeezed through the mesh structure walls of the squeezing chambers S 1 and S 2 and the screw shaft side of the screw N cannot be squeezed, the squeezing liquid around the screw shaft of the solid-liquid mixture is Becomes insufficient.
【００２２】本発明は、このような従来の問題点を解決
するためになされたもので、（１）第１，第２搾液室の
メッシュ構造の壁体の目詰りを防止することができ、
（２）スクリューのねじ羽根の破損を防止することがで
き、（３）搾液効率を上げることができ、（４）固液混
合物から液状物を片寄りなく一様に抽出することができ
る、改良された固液分離装置を提供することを目的とす
る。The present invention has been made in order to solve such a conventional problem, and (1) it is possible to prevent clogging of the wall of the mesh structure of the first and second squeezing chambers. ,
(2) It is possible to prevent damage to the screw blades of the screw, (3) increase the squeezing efficiency, and (4) uniformly extract the liquid substance from the solid-liquid mixture, An object is to provide an improved solid-liquid separation device.
【００２３】[0023]
【課題を解決するための手段】本発明が提供する固液分
離装置は、固液混合物を固形物と液状物に分離する固液
分離装置であって、基端側を閉塞部とし、先端側を開口
部とする有底円筒形のケーシングと、ケーシングの中に
同軸的に配設し、かつスクリュー軸にねじ羽根を設けて
形成したスクリューと、スクリューを駆動するモータと
を備え、かつ前記ケーシングの閉塞部側は、固液混合物
を供給する、水密構造の壁体からなる供給室とし、開口
部側は、固液混合物から液状物を搾液する、メッシュ構
造の壁体からなる第１搾液室とこれに続く第２搾液室と
し、前記ねじ羽根は、供給室と第１搾液室に位置するよ
うに設け、前記ねじ羽根のピッチは、供給室から第１搾
液室に向けて次第に大きくし、前記供給室に位置するね
じ羽根の直径は小さくし、前記第１搾液室に位置するね
じ羽根の直径は大きくし、前記ねじ羽根の先端は少なく
とも２条に形成され、前記スクリュー軸は、前記第２搾
液室に位置する部位に小径軸を、その小径軸の周囲にス
クリュー軸と同外径の濾過筒を、その濾過筒と小径軸の
間に外部に通ずる環状の搾液室を、それぞれ有している
ものである。The solid-liquid separation device provided by the present invention is a solid-liquid separation device for separating a solid-liquid mixture into a solid and a liquid, wherein the base end side is a closed portion and the tip end side is A bottomed cylindrical casing having an opening portion, a screw coaxially arranged in the casing, and having a screw shaft provided with screw blades, and a motor for driving the screw, and the casing The closed part side is a supply chamber composed of a watertight wall for supplying a solid-liquid mixture, and the opening part is a first squeezed wall composed of a mesh structure for squeezing a liquid from the solid-liquid mixture. A liquid chamber and a second squeezing chamber following the liquid chamber, the screw blades are provided so as to be located in the supply chamber and the first squeezing chamber, and the pitch of the screw blades is directed from the supply chamber to the first squeezing chamber. The diameter of the screw blades located in the supply chamber is small. Comb, the diameter of the screw blade located in the first squeezing chamber is increased, the tip of the screw blade is formed into at least two threads, and the screw shaft is a small-diameter shaft in a portion located in the second squeezing chamber. Around the small-diameter shaft, a filter cylinder having the same outer diameter as the screw shaft, and an annular squeezing chamber communicating with the outside between the filter cylinder and the small-diameter shaft.
【００２４】前記ケーシングには、供給室と第１搾液室
との間に、固液混合物の流路を細くする環状の突起を設
けることができる。The casing may be provided with an annular protrusion for narrowing the flow path of the solid-liquid mixture between the supply chamber and the first squeezing chamber.
【００２５】[0025]
【作用】本発明の固液分離装置においては、ねじ羽根の
ピッチが供給室から第１搾液室にかけて次第に大きくな
っており、供給室に位置するねじ羽根の直径が小さくな
っており、第１搾液室に位置するねじ羽根が大きくなっ
ている。このため、次の作用を奏する。In the solid-liquid separation device of the present invention, the pitch of the screw blades gradually increases from the supply chamber to the first squeezing chamber, and the diameter of the screw blades located in the supply chamber decreases. The screw blade located in the squeezing chamber is large. Therefore, the following action is obtained.
【００２６】（１）供給室から第１搾液室への固液混合
物の移動量が、第１，第２搾液室における固液混合物の
移動量より少ないので、両室における固液混合物に対す
る圧縮力は過大にならない。(1) Since the moving amount of the solid-liquid mixture from the supply chamber to the first squeezing chamber is smaller than the moving amount of the solid-liquid mixture in the first and second squeezing chambers, the solid-liquid mixture in both chambers is The compressive force does not become excessive.
【００２７】また、第１搾液室におけるねじ羽根の直径
が大きく、ピッチも次第に大きくなっているので、ねじ
羽根による固液混合物に対する圧縮力は、強く、あるい
は弱く、波状的に作用し、メッシュ構造の壁体の内外に
正負の圧力を交互に発生させる。このような理由で、壁
体のメッシュに目詰りが発生しない。Further, since the diameter of the screw blades in the first squeezing chamber is large and the pitch thereof is gradually increasing, the compressive force of the screw blades against the solid-liquid mixture is strong or weak, and acts in a wavy manner, resulting in a mesh. Positive and negative pressures are generated alternately inside and outside the walls of the structure. For this reason, the mesh of the wall body is not clogged.
【００２８】（２）固液混合物の第１，第２搾液室にお
ける移動量は、供給室におけるより大きいので、同混合
物に対する圧縮力は過大にならない。また、上述のよう
に、メッシュに目詰りを生じない。このため、固液混合
物の搾液効率が向上するとともに、モータの負荷が過大
にならない。(2) Since the amount of movement of the solid-liquid mixture in the first and second squeezing chambers is larger than that in the supply chamber, the compressive force for the same mixture does not become excessive. Further, as described above, the mesh is not clogged. Therefore, the squeezing efficiency of the solid-liquid mixture is improved, and the load on the motor is not excessive.
【００２９】（３）ねじ羽根の先端が少なくとも２条に
形成されているので、第１搾液室の最後の搾液能力が向
上する。(3) Since the tip of the screw blade is formed to have at least two threads, the final squeezing capacity of the first squeezing chamber is improved.
【００３０】（４）供給室に投入される固液混合物の中
に、ねじ羽根のピッチに相当する大きさの固形物が混入
している場合は、ねじ羽根のピッチが次第に大きくなっ
ているので、固液混合物が圧送される過程で、上記固形
物は、ねじ羽根に摩擦抵抗として殆ど働かず、スクリュ
ーに過大な負荷を与えない。このため、ねじ羽根の破損
を未然に防止できる。(4) When the solid-liquid mixture introduced into the supply chamber contains a solid substance having a size corresponding to the pitch of the screw blades, the pitch of the screw blades gradually increases. In the process of pumping the solid-liquid mixture, the solid hardly acts as frictional resistance on the screw blade and does not apply an excessive load to the screw. Therefore, damage to the screw blades can be prevented.
【００３１】供給室に投入される固液混合物の中に、ね
じ羽根のピッチより大きな固形物が混入している場合
は、最初のねじ羽根に引掛った段階で、スクリューに過
大な負荷を与えることになるので、例えば、そのときの
消費電流の変動を検知して電源を遮断する等の手段をと
ることにより、ねじ羽根の破損を防止することができ
る。When a solid-liquid mixture introduced into the supply chamber contains a solid material having a pitch larger than the pitch of the screw blade, an excessive load is applied to the screw at the stage of being caught by the first screw blade. Therefore, damage to the screw blades can be prevented by, for example, detecting the fluctuation of the current consumption at that time and cutting off the power supply.
【００３２】（５）第１，第２搾液室の壁体がメッシュ
構造になっており、第２搾液室に位置するスクリュー軸
に濾過筒が設けられているので、固液混合物の中の液状
物は、前記壁体側からだけでなく、前記濾過筒側からも
搾り出される。その結果、固液混合物の中の液状物は片
寄りなく一様に抽出される。(5) Since the wall bodies of the first and second squeezing chambers have a mesh structure, and the screw shaft located in the second squeezing chamber is provided with the filter cylinder, The liquid substance is squeezed out not only from the wall body side but also from the filtration cylinder side. As a result, the liquid substance in the solid-liquid mixture is uniformly extracted without deviation.
【００３３】（６）ケーシングに環状の突起を設けた場
合には、供給室の下部に固液混合物より比重の大きい異
物が滞留し、上部に比重の小さい異物が滞留するので、
メッシュ構造の壁体及びねじ羽根の破損を防止すること
ができる。(6) When the casing is provided with an annular protrusion, foreign matter having a larger specific gravity than the solid-liquid mixture stays in the lower part of the supply chamber, and foreign matter having a smaller specific gravity stays in the upper part.
It is possible to prevent damage to the mesh structure wall body and the screw blade.
【００３４】[0034]
【実施例】以下、本発明の実施例を図１〜図３によって
説明する。Embodiments of the present invention will be described below with reference to FIGS.
【００３５】図１は、実施例の断面図で、図４に対応す
る図である。図２は図１のII−II断面図、図３は図１の
III −III 断面図である。FIG. 1 is a sectional view of the embodiment, which corresponds to FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG.
It is a III-III sectional view.
【００３６】各図において、Ｃ，Ｋ，Ｓ1 ，Ｓ2 ，Ｔ，
Ｈ，Ｗ1 ，Ｗ2 ，Ｇ，１〜５，８〜１３は、図４〜図６
に示す従来例の構成要素と同一の構成要素を示す。した
がって、その説明は省略する。従来例との相異点は、ス
クリューの構成にある。以下、この点を中心に説明す
る。In each figure, C, K, S 1 , S 2 , T,
H, W 1 , W 2 , G, 1 to 5 , 8 to 13 are shown in FIGS.
The same components as those of the conventional example shown in FIG. Therefore, its explanation is omitted. The difference from the conventional example is the configuration of the screw. Hereinafter, this point will be mainly described.
【００３７】図中、Ｎ1 はケーシングＣの中に同軸的に
配設されたスクリューで、スクリュー軸１４にねじ羽根
１５を設けた構成になっている。スクリューＮ1 は、ス
クリュー軸１４において回転伝導装置９の出力軸に連結
され、モータ８によって駆動される。In the figure, N 1 is a screw coaxially arranged in the casing C, and has a structure in which a screw blade 15 is provided on the screw shaft 14. The screw N 1 is connected to the output shaft of the rotation transmission device 9 at the screw shaft 14 and is driven by the motor 8.
【００３８】ねじ羽根１５は、スクリューＮ1 のケーシ
ングＣへの配設状態において、供給室Ｋと第１搾液室Ｓ
1 に位置するように、スクリュー軸１４に設けられてい
る。The screw blade 15 is provided with the supply chamber K and the first squeezing chamber S when the screw N 1 is arranged in the casing C.
The screw shaft 14 is provided so as to be located at 1 .
【００３９】ねじ羽根１５のピッチは、供給室Ｋから第
１搾液室Ｓ1 方向へ行くにつれて次第に大きくなってい
る。また、供給室Ｋに位置するねじ羽根１５の直径Ｄ1
は小さくして、ケーシングＣの壁体Ｗ1 との間にねじ羽
根の径方向の長さに相当する隙間が設けられている。そ
して、第１搾液室Ｓ1 に位置するねじ羽根１５の直径Ｄ
2 は大きくし、壁体Ｗ2 の内径とほぼ同じにしてある。The pitch of the screw blades 15 gradually increases from the supply chamber K toward the first squeezing chamber S 1 . Further, the diameter D 1 of the screw blade 15 located in the supply chamber K
Is smaller, and a gap corresponding to the radial length of the screw blade is provided between the casing C and the wall body W 1 . Then, the diameter D of the screw blade 15 located in the first squeezing chamber S 1
2 is made large so that it is almost the same as the inner diameter of the wall W 2 .
【００４０】ねじ羽根１５の最先端には、ねじ羽根１５
の端末につづく３条のねじ羽根１５ａ，１５ｂ，１５ｃ
が、９０度間隔で、ほぼ同一面上に配設されている。し
たがって、ねじ羽根１５の先端部は、供給室Ｋが連続し
て延びる１条のねじ羽根１５と上記３条のねじ羽根１５
ａ〜１５ｃの計４条のねじ羽根で構成されている。At the tip of the screw blade 15, the screw blade 15
3 screw blades 15a, 15b, 15c following the end of
Are arranged on the substantially same plane at 90 degree intervals. Therefore, at the tip of the screw blade 15, one thread blade 15 in which the supply chamber K continuously extends and the three thread blades 15 described above are provided.
It is composed of a total of four screw blades a to 15c.
【００４１】スクリュー軸１４のうち、第２搾液室Ｓ2
に位置する部位は小径軸１６となっており、その周囲に
はスクリュー軸１４と同外径の濾過筒１７が同軸１６と
一体に設けられている。この濾過筒１７は、壁体Ｗ2 と
同じメッシュ構造になっている。小径軸１６と濾過筒１
７の間には、スクリュー軸１４に設けた排液路１８によ
って外部に通ずる環状の排液室Ｈ1 が形成されている。Of the screw shaft 14, the second squeezing chamber S 2
The portion located at is a small diameter shaft 16, and a filter cylinder 17 having the same outer diameter as the screw shaft 14 is integrally provided with the coaxial shaft 16 around the small diameter shaft 16. The filter cylinder 17 has the same mesh structure as the wall W 2 . Small diameter shaft 16 and filter cylinder 1
An annular drainage chamber H 1 communicating with the outside by a drainage passage 18 provided in the screw shaft 14 is formed between the two.
【００４２】次に、上記構成に基づく作用を説明する。Next, the operation based on the above configuration will be described.
【００４３】（１）ねじ羽根１５のピッチが供給室Ｋか
ら第１搾液室Ｓ1 方向へ行くにつれて次第に大きくなっ
ている。また、供給室Ｋに位置するねじ羽根１５の直径
Ｄ1 は小さくなっており、第１搾液室Ｓ1 に位置するね
じ羽根１５の直径Ｄ2 は大きくなっている。このため、
次の〜の作用を奏する。(1) The pitch of the screw blades 15 gradually increases from the supply chamber K toward the first squeezing chamber S 1 . The diameter D 1 of the screw blade 15 located in the supply chamber K is small, and the diameter D 2 of the screw blade 15 located in the first squeezing chamber S 1 is large. For this reason,
The following actions are performed.
【００４４】供給室Ｋから第１搾液室Ｓ1 への固液混
合物の移動速度は遅く、その移動量は比較的少ない。こ
れに対し、第１，第２搾液室Ｓ1 ，Ｓ2 における固液混
合物の移動速度は速く、その移動量は比較的多くなる。
このため、両室Ｓ1 ，Ｓ2 における固液混合物に対する
スクリューＮ1 による圧縮力は、従来例のように過大
に、作用しない。The moving speed of the solid-liquid mixture from the supply chamber K to the first squeezing chamber S 1 is slow, and the moving amount thereof is relatively small. In contrast, the moving speed of the solid-liquid mixture in the first and second squeezing chambers S 1 and S 2 is high, and the moving amount thereof is relatively large.
Therefore, the compression force of the screw N 1 against the solid-liquid mixture in both chambers S 1 and S 2 does not act excessively as in the conventional example.
【００４５】また、第１搾液室Ｓ1 におけるねじ羽根１
５の直径Ｄ2 が大きく、ピッチも次第に大きくなってい
る。このため、固液混合物に対するねじ羽根１５による
圧縮力は、強く、あるいは弱く、波状的に作用し、メッ
シュ構造の壁体Ｗ2 の内外に正負の圧力を交互に発生さ
せる。上記２つの作用の相乗効果によって、壁体Ｗ2の
メッシュに目詰りが生じなくなる。[0045] In addition, the screw blade 1 in the first Shiboekishitsu S 1
The diameter D 2 of 5 is large, and the pitch is gradually increasing. Therefore, the compressive force of the screw blades 15 against the solid-liquid mixture acts strongly or weakly in a wavy manner, and positive and negative pressures are alternately generated inside and outside the wall W 2 having a mesh structure. Due to the synergistic effect of the above two actions, the mesh of the wall body W 2 is not clogged.
【００４６】上述のように、第１，第２搾液室Ｓ1 ，
Ｓ2 における固液混合物に対するスクリューＮ1 による
圧縮力が過大にならないし、壁体Ｗ2 のメッシュに目詰
りが生じないので、固液混合物の搾液効率が向上する。
したがって、モータ８に過大な負荷がかからない。As described above, the first and second squeezing chambers S 1 ,
Since the compression force of the screw N 1 against the solid-liquid mixture in S 2 does not become excessive and the mesh of the wall W 2 is not clogged, the squeezing efficiency of the solid-liquid mixture is improved.
Therefore, the motor 8 is not overloaded.
【００４７】ねじ羽根１５の先端が４条に形成されて
いるので、第１搾液室Ｓ1 の最終段階における搾液能率
が向上する。Since the tip of the screw blade 15 is formed with four threads, the squeezing efficiency in the final stage of the first squeezing chamber S 1 is improved.
【００４８】供給室Ｋに投入される固液混合物の中
に、ねじ羽根１５のピッチに相当する大きさの固形物が
混入している場合は、ねじ羽根１５のピッチが次第に大
きくなっているので、上記固形物は、固液混合物が圧送
される過程で、ねじ羽根１５に摩擦抵抗として殆ど働か
ず、スクリューＮ1 に過大な負荷を与えない。このた
め、ねじ羽根１５が破損するおそれはない。If a solid material having a size corresponding to the pitch of the screw blades 15 is mixed in the solid-liquid mixture charged into the supply chamber K, the pitch of the screw blades 15 is gradually increased. The solid matter hardly acts as frictional resistance on the screw blades 15 in the process of pumping the solid-liquid mixture, and does not give an excessive load to the screw N 1 . Therefore, the screw blades 15 are not likely to be damaged.
【００４９】供給室に投入される固液混合物の中に、ね
じ羽根１５のピッチより大きな固形物が混入している場
合は、投入後、最初のねじ羽根１５に引掛った段階で、
スクリューＮ1 に過大な負荷を与えることになる。この
場合は、そのときの消費電流の変動を検知して電源を遮
断する等の手段をあらかじめ設けておくことにより、ね
じ羽根１５の破損を未然に防止することができる。When a solid material having a pitch larger than the pitch of the screw blades 15 is mixed in the solid-liquid mixture charged into the supply chamber, the first screw blades 15 are caught after the charging.
An excessive load will be applied to the screw N 1 . In this case, damage to the screw blades 15 can be prevented in advance by providing a means such as detecting the fluctuation of the current consumption at that time and shutting off the power.
【００５０】（２）第２搾液室Ｓ2 に位置するスクリュ
ー軸１４に濾過筒１７を設け、ここで搾液された液状物
を、排液室Ｈ1 から排液路１８に導いて外部へ排出する
構成となっているので、スクリュー軸１４回りの固液混
合物の中からも液状物を搾り出すことができる。(2) A filter cylinder 17 is provided on the screw shaft 14 located in the second squeezing chamber S 2 , and the liquid substance squeezed there is guided from the drainage chamber H 1 to the drainage passage 18 to the outside. Since it is configured to be discharged to, the liquid material can be squeezed out from the solid-liquid mixture around the screw shaft 14.
【００５１】図示しないが、固液混合物の投入のため
に、供給管３に連結するホッパー（漏斗）の内壁には、
固液混合物が付着、固化して、投入する固液混合物の滑
り悪くなるのを防止するために、注水するようにすると
よい。そのための装置は、別途設けることができる。Although not shown, the inner wall of the hopper (funnel) connected to the supply pipe 3 for charging the solid-liquid mixture is
Water is preferably injected in order to prevent the solid-liquid mixture from adhering and solidifying and causing the solid-liquid mixture to be slippery to slip. A device therefor can be provided separately.
【００５２】また、図示しないが、上記実施例における
供給室Ｋと第１搾液室Ｓ1 の間に、固液混合物の流路を
細くする環状の突起を設けてもよい。このようにする
と、供給室Ｋの下部に固液混合物より比重の大きい異物
が滞留し、上部に比重の小さい異物が滞留するので、異
物によるメッシュ構造の壁体及びねじ羽根の破損を防止
することができる。Although not shown, an annular projection for narrowing the flow path of the solid-liquid mixture may be provided between the supply chamber K and the first squeezing chamber S 1 in the above embodiment. In this way, foreign matter having a larger specific gravity than the solid-liquid mixture stays in the lower part of the supply chamber K, and foreign matter having a smaller specific gravity stays in the upper part of the supply chamber K, so that the wall body of the mesh structure and the screw blades are prevented from being damaged by the foreign matter. You can
【００５３】[0053]
【発明の効果】以上説明したように、本発明によれば、
上述のような構成としたので、次の効果を奏する。As described above, according to the present invention,
With the configuration as described above, the following effects are obtained.
【００５４】（１）第１，第２搾液室を構成するメッシ
ュ構造の壁体の目詰りを防止することができる。(1) It is possible to prevent clogging of the mesh-structured wall body that constitutes the first and second squeezing chambers.
【００５５】（２）スクリューのねじ羽根の破損を防止
することができる。(2) It is possible to prevent damage to the screw blades of the screw.
【００５６】（３）搾液効率を上げることができる。(3) The squeezing efficiency can be increased.
【００５７】（４）固液混合物から液状物を片寄りなく
一様に搾り出すことができる。(4) A liquid substance can be squeezed out uniformly from the solid-liquid mixture without unevenness.
【図１】 実施例の断面図FIG. 1 is a sectional view of an embodiment.
【図２】 図１のII−II断面図FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】 図１のIII −III 断面図FIG. 3 is a sectional view taken along the line III-III in FIG.
【図４】 従来例の断面図FIG. 4 is a sectional view of a conventional example.
【図５】 図４のｖ−ｖ断面図5 is a sectional view taken along line vv of FIG.
【図６】 従来例の要部側面図FIG. 6 is a side view of a main part of a conventional example.
Ｃ ケーシング Ｋ 供給室 Ｓ1 第１搾液室 Ｓ2 第２搾液室 Ｔ 吐出室 Ｈ 排液室 Ｗ1 水密構造の壁体 Ｗ2 メッシュ構造の壁体 Ｎ1 スクリュー １４ スクリュー軸 １５，１５ｂ，１５ｃ ねじ羽根 １６ 小径軸 １７ 濾過筒 １８ 排液路C casing K supply chamber S 1 first squeezing chamber S 2 second squeezing chamber T discharge chamber H drainage chamber W 1 watertight wall W 2 mesh wall N 1 screw 14 screw shaft 15, 15b, 15c Screw blade 16 Small diameter shaft 17 Filtration cylinder 18 Drainage path
Claims (2)
固液分離装置であって、基端側を閉塞部とし、先端側を
開口部とする有底円筒形のケーシングと、ケーシングの
中に同軸的に配設し、かつスクリュー軸にねじ羽根を設
けて形成したスクリューと、スクリューを駆動するモー
タとを備え、かつ前記ケーシングの閉塞部側は、固液混
合物を供給する、水密構造の壁体からなる供給室とし、
開口部側は、固液混合物から液状物を搾液する、メッシ
ュ構造の壁体からなる第１搾液室とこれに続く第２搾液
室とし、前記ねじ羽根は、供給室と第１搾液室に位置す
るように設け、前記ねじ羽根のピッチは、供給室から第
１搾液室に向けて次第に大きくし、前記供給室に位置す
るねじ羽根の直径は小さくし、前記第１搾液室に位置す
るねじ羽根の直径は大きくし、前記ねじ羽根の先端は少
なくとも２条に形成され、前記スクリュー軸は、第２搾
液室に位置する部位に小径軸を、その小径軸の周囲にス
クリュー軸と同外径の濾過筒を、その濾過筒と小径軸の
間に外部に通ずる環状の搾液室を、それぞれ有している
ことを特徴とする固液分離装置。1. A solid-liquid separation device for separating a solid-liquid mixture into a solid matter and a liquid matter, wherein the base end side is a closed portion, and the tip side is an opening portion. A watertight structure in which a screw disposed coaxially and provided with a screw blade on a screw shaft and a motor for driving the screw are provided, and the closed side of the casing supplies a solid-liquid mixture. The supply chamber consists of the wall of
The opening side is a first squeezing chamber consisting of a mesh-structured wall body for squeezing a liquid substance from the solid-liquid mixture and a second squeezing chamber following the first squeezing chamber, and the screw blades are the supply chamber and the first squeezing chamber. The screw blades are provided so as to be located in the liquid chamber, the pitch of the screw blades is gradually increased from the supply chamber toward the first squeezing chamber, and the diameter of the screw blades located in the supply chamber is made smaller, and the first squeezing blade is formed. The diameter of the screw blade located in the chamber is increased, the tip of the screw blade is formed into at least two threads, and the screw shaft has a small-diameter shaft at a portion located in the second squeezing chamber and a periphery of the small-diameter shaft. A solid-liquid separation device comprising: a filter cylinder having the same outer diameter as that of the screw shaft; and an annular squeezing chamber communicating with the outside between the filter cylinder and the small-diameter shaft.
間に、固液混合物の流路を細くする環状の突起を有して
いることを特徴とする請求項１記載の固液分離装置。2. The solid-liquid according to claim 1, wherein the casing has an annular protrusion between the supply chamber and the first squeezing chamber that narrows the flow path of the solid-liquid mixture. Separation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6174187A JPH0839290A (en) | 1994-07-26 | 1994-07-26 | Solid-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6174187A JPH0839290A (en) | 1994-07-26 | 1994-07-26 | Solid-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0839290A true JPH0839290A (en) | 1996-02-13 |
Family
ID=15974247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6174187A Withdrawn JPH0839290A (en) | 1994-07-26 | 1994-07-26 | Solid-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0839290A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742402A (en) * | 2013-12-31 | 2015-07-01 | 钱海荣 | Spiral auger of solid-liquid separator |
| CN109049804A (en) * | 2018-08-28 | 2018-12-21 | 虞正洪 | A kind of gradually compact form extruding pitches Auger |
| JP2019076933A (en) * | 2017-10-25 | 2019-05-23 | 株式会社石垣 | Screen of screw press |
| CN111359293A (en) * | 2020-03-30 | 2020-07-03 | 北京鑫泽清源植物秸杆技术有限公司 | High-temperature high-pressure solid-liquid separation unit |
-
1994
- 1994-07-26 JP JP6174187A patent/JPH0839290A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742402A (en) * | 2013-12-31 | 2015-07-01 | 钱海荣 | Spiral auger of solid-liquid separator |
| JP2019076933A (en) * | 2017-10-25 | 2019-05-23 | 株式会社石垣 | Screen of screw press |
| CN109049804A (en) * | 2018-08-28 | 2018-12-21 | 虞正洪 | A kind of gradually compact form extruding pitches Auger |
| CN111359293A (en) * | 2020-03-30 | 2020-07-03 | 北京鑫泽清源植物秸杆技术有限公司 | High-temperature high-pressure solid-liquid separation unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20011002 |