JP2015071150A - Solid-liquid separation device - Google Patents
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Abstract
Description
本発明は多量の水分を含んだ処理対象物から固形物と水分を分離する固液分離装置に関する。 The present invention relates to a solid-liquid separation device that separates solids and moisture from a processing object containing a large amount of moisture.
従来、多量の水分を含んだ処理対象物の汚泥水を脱水処理する方式としては、濾布方式，パンチプレート方式，濾材を用いない方式，膜方式などが提案されている。しかしながら、目詰まりや濾過面の使用効率の低さ，ランニングコストの高さ，装置が大型化，製造コストの上昇化、更に運転中に濾過面に洗浄水を使用するか或いは運転を中止して濾過面などを定期的に洗浄しなければならない等の欠点があるため、近年に於いては、目詰まりの解消や固液分離効率を向上させ、且つ、運転中に洗浄水を全く必要とせず、ランニングコストやその装置の製造コストを低減化すると共に装置を小型化出来る平行プレート搬送方式のものが注目されている。 Conventionally, a filter cloth method, a punch plate method, a method without using a filter medium, a membrane method, and the like have been proposed as a method for dewatering sludge water of a processing object containing a large amount of moisture. However, clogging, low use efficiency of the filtration surface, high running cost, large equipment, increased production cost, and use of washing water on the filtration surface during operation or discontinuation of operation. In recent years, the filtration surface has to be regularly cleaned, so clogging is improved and solid-liquid separation efficiency is improved, and no cleaning water is required during operation. Attention has been drawn to a parallel plate conveyance system that can reduce the running cost and the manufacturing cost of the apparatus and can downsize the apparatus.
この平行プレート搬送方式の固液分離装置としては、特開２００９−２４７９８２や特開２００４−８８８が提案されている。これらは、互に間隔を空けて平行に配置された多数の第１平板を有した第１脱水板群と、それぞれ第１平板の間に配置されて互に平行に位置する多数の第２平板を有した第２脱水板群とから濾過体と成した方式のものである。 JP-A-2009-247982 and JP-A-2004-888 have been proposed as solid-liquid separation devices of this parallel plate conveyance system. These are a first dewatering plate group having a large number of first flat plates arranged in parallel at intervals, and a large number of second flat plates arranged between the first flat plates and positioned in parallel to each other. And a second dehydrating plate group having a filter body.
しかしながら、養豚場からの排水された下水や豚の糞尿などの処理対象物を処理する際、特開２００９−２４７９８２や特開２００４−８８８の濾過体の供給側端部に処理対象物を供給すると、濾過体の供給側端部では乱流が生じる。このため、濾過体の供給側端部に豚の毛などの固形物が上手く乗らずに搬送方向へ豚の毛が流されると、第１平板と第２平板の隙間に豚の毛が入り込んで液体と一緒に落下してしまう恐れがあった。一方、特開２００４−８８８の図１に示すように流入用の容器の底部が深い時には、濾過体の供給側端部では乱流は生じにくくなるが、容器の底部に豚の毛などの固形物が沈殿して溜ってしまうため、固形物が上手く乗らず、且つ、沈殿物がある程度堆積すると、運転を中止して容器の底部から堆積物（固形物）を除去する作業が必要であり、固液分離効率が低下し易かった。 However, when processing an object to be processed such as sewage drained from a pig farm or pig manure, the object to be processed is supplied to the supply side end of the filter body of JP 2009-247982 or JP 2004-888. A turbulent flow is generated at the supply side end of the filter body. For this reason, when pork hair is poured in the transport direction without solid matter such as pork hair getting on the supply side end of the filter body, the pork hair enters the gap between the first flat plate and the second flat plate. There was a risk of falling with the liquid. On the other hand, as shown in FIG. 1 of Japanese Patent Application Laid-Open No. 2004-888, when the bottom of the inflow container is deep, turbulence hardly occurs at the supply side end of the filter body. Since the sediment settles and accumulates, the solid matter does not ride well, and if the sediment accumulates to some extent, it is necessary to stop the operation and remove the sediment (solid matter) from the bottom of the container, The solid-liquid separation efficiency was easy to decrease.
本発明は養豚場からの排水された下水や豚の糞尿などの処理対象物から固形物を確実に掻上げて搬送し、水分と分離させる固液分離装置を提供することを目的とする。 An object of the present invention is to provide a solid-liquid separation device that reliably lifts and transports solids from a processing target such as drained sewage from pig farms and pig manure and separates them from moisture.
本発明は上記現状に鑑み成されたものであり、つまり、処理対象物を供給する供給管と連接したレベル規制手段を有する整流槽と、該整流槽と連接する脱水分離手段とを少なくとも装置本体内に具備し、該脱水分離手段が、多数の第１平板を所定間隔開けて平行に配置する第１脱水分離板群と、この第１脱水分離板群の各第１平板の間に平行に配置した多数の第２平板から成る第２脱水分離板群と、これら第１脱水分離板群及び第２脱水分離板群の少なくとも一方を上下に移動させる駆動手段を備えた固液分離装置に於いて、整流槽の内部が、下部を開口した整流板で流入室と整流室に区画され、且つ、流入室にレベル規制手段を設け、整流室の底部を脱水分離手段よりも下方に設け、且つ、整流室にその底部の曲率に沿って移動する掻上げ手段を具備した構成とする。また掻上げ手段として、回転軸とそれに連結したアームと、該アームの先端に設けた掻上げ用ヘラと、から少なくとも成されたものを用い、レベル規制手段として、オーバーフロー用の排出管を用いるのが良い。 The present invention has been made in view of the above situation, that is, at least an apparatus main body comprising a rectifying tank having a level regulating means connected to a supply pipe for supplying an object to be processed and a dehydration separating means connected to the rectifying tank. The dewatering / separating means includes a first dewatering / separating plate group in which a large number of first plates are arranged in parallel at predetermined intervals, and between each first plate of the first dehydrating / separating plate group. In a solid-liquid separation device comprising a second dewatering separation plate group comprising a number of arranged second flat plates, and drive means for moving at least one of the first dehydration separation plate group and the second dehydration separation plate group up and down. The inside of the rectifying tank is divided into an inflow chamber and a rectifying chamber by a rectifying plate having an opening at the bottom, and a level regulating means is provided in the inflow chamber, and a bottom portion of the rectifying chamber is provided below the dehydrating and separating means, and Rake, moving along the curvature of its bottom to the rectifying chamber A configuration provided with the stage. Further, as the scraping means, at least a rotary shaft, an arm connected thereto, and a scraping spatula provided at the tip of the arm are used, and an overflow discharge pipe is used as the level regulating means. Is good.
請求項１のように処理対象物を供給する供給管（23）と連接したレベル規制手段（24）を有する整流槽（２）と、該整流槽（２）と連接する脱水分離手段（３）とを少なくとも装置本体（１）内に具備し、該脱水分離手段（３）が、多数の第１平板（31a）を所定間隔開けて平行に配置する第１脱水分離板群（31）と、この第１脱水分離板群（31）の各第１平板（31a）の間に平行に配置した多数の第２平板（32a）から成る第２脱水分離板群（32）と、これら第１脱水分離板群（31）及び第２脱水分離板群（32）の少なくとも一方を上下に移動させる駆動手段（６）を備えた平行プレート搬送方式の固液分離装置に於いて、整流槽（２）の内部が、下部を開口した整流板（４）で流入室（21）と整流室（22）とに区画され、流入室（21）にレベル規制手段（24）を設け、整流室（22）の底部（22a）を脱水分離手段（３）よりも下方に設け、且つ、整流室（22）にその底部（22a）の曲率に沿って移動する掻上げ手段（５）を具備することにより、整流室（22）の底部（22a）には、処理対処物の固形分が沈殿し、特に豚の毛などが絡み合うため、固形物に含まれる毛や繊維質等に対しても、１本１本に分離した状態で脱水分離手段（３）へ送られて分離されるということがなく、確実に固形物と水分が分離されるものとなる。又、第１脱水分離板群（31）の第１平板（31a）や第２脱水分離板群（32）の第２平板（32a）の供給管（23）側の上に送られる処理対象物の量を一定に保ち、且つ、処理対象物が乱流状態で搬送されることを防止するものとなると共に、固液分離が有効に処理でき、更に運転中に洗浄水を全く必要としないので、汚水受槽に戻す液体が少なくなり、装置の運転負担が少なくなってランニングコストやその装置の製造コストを低減化するものとなる。 A flow straightening tank (2) having a level regulating means (24) connected to a supply pipe (23) for supplying an object to be processed as in claim 1, and a dewatering separation means (3) connected to the flow straightening tank (2). In the apparatus main body (1), and the dehydration / separation means (3) includes a first dehydration / separation plate group (31) in which a large number of first plates (31a) are arranged in parallel at predetermined intervals. A second dewatering separation plate group (32) comprising a number of second flat plates (32a) arranged in parallel between the first flat plates (31a) of the first dehydration separation plate group (31), and these first dehydration separation plate groups In a parallel-plate transport type solid-liquid separation device having a driving means (6) for moving at least one of a separation plate group (31) and a second dehydration separation plate group (32) up and down, a rectifying tank (2) Is divided into an inflow chamber (21) and a rectification chamber (22) by a rectifying plate (4) with an opening at the bottom. (24) is provided, the bottom (22a) of the rectifying chamber (22) is provided below the dehydrating and separating means (3), and the rectifying chamber (22) moves along the curvature of the bottom (22a). By providing the raising means (5), the solid content of the treatment object precipitates at the bottom (22a) of the rectifying chamber (22), and especially the hair of the pig is entangled. Also for the fiber and the like, the solid material and the water are reliably separated without being sent to the dehydration separation means (3) in a state of being separated one by one and separated. Further, the processing object to be sent on the supply pipe (23) side of the first flat plate (31a) of the first dewatering separation plate group (31) and the second flat plate (32a) of the second dehydration separation plate group (32). Since the amount of the liquid is kept constant and the object to be treated is prevented from being conveyed in a turbulent state, the solid-liquid separation can be effectively treated, and no washing water is required during operation. As a result, the amount of liquid returned to the sewage receiving tank is reduced, and the operating burden of the apparatus is reduced, thereby reducing the running cost and the manufacturing cost of the apparatus.
請求項２のように掻上げ手段（５）を、回転軸（51）とそれに連結したアーム（52）と、該アーム（52）の先端に設けた掻上げ用ヘラ（53）と、から少なくとも成すことにより、回転軸（51）を回転させて、ヘラ（53）を整流室（22）の底部（22a）に当接させるので、底部（21a）に溜った沈殿物を掻上げながら、脱水分離手段（３）の第１脱水分離板群（31）及び第２脱水分離板群（32）の供給管（23）側の上部に処理対象物を積載して搬送させると、乱流を生じることなく、第１脱水分離板群（31）の第１平板（31a）や第２脱水分離板群（32）の第２平板（32a）の供給管（23）側の上に固形物を確実に乗せて効率良く搬送が出来るものとなる。又、整流室（22）の底部（22a）に堆積物が何時までも溜らないので、支障なく連続運転できるものとなる。 The scraping means (5) according to claim 2 includes at least a rotary shaft (51), an arm (52) connected thereto, and a spatula for lifting (53) provided at the tip of the arm (52). By rotating the rotating shaft (51), the spatula (53) is brought into contact with the bottom (22a) of the rectifying chamber (22). When the object to be processed is loaded and conveyed on the supply pipe (23) side of the first dehydration separation plate group (31) and the second dehydration separation plate group (32) of the separation means (3), turbulence is generated. Without any problem, solid matter is surely provided on the supply pipe (23) side of the first flat plate (31a) of the first dewatering separation plate group (31) and the second flat plate (32a) of the second dehydration separation plate group (32). It can be transported efficiently by placing it on the. Moreover, since deposits do not accumulate in the bottom part (22a) of the rectifying chamber (22), the continuous operation can be performed without any trouble.
請求項３に示すようにレベル規制手段（24）としてオーバーフロー用の排出管を用いることによって、構造が簡単で確実に処理対象物の量を一定に保つことができるものとなる。 By using an overflow discharge pipe as the level regulating means (24) as shown in claim 3, the structure is simple and the amount of the object to be treated can be kept constant.
本発明の実施形態を図面に基づいて説明する。（１）は固液分離装置の装置本体であり、該装置本体（１）の内部には、後述する整流槽（２），脱水分離手段（３），該整流板（４），掻上げ手段（５）などが設けられている。（２）は処理対象物を供給する供給管（23）と連接したレベル規制手段（24）を有する整流槽であり、該整流槽（２）は、後述する整流板（４）が下部を開口した状態で取付けられて流入室（21）と整流室（22）とに区画されている。また前記流入室（21）の側面には、供給管（23）と、レベル規制手段（24）であるオーバーフロー用の排出管が設けられている。前記整流室（22）の底部（22a）は曲面に形成されており、その曲率は、後述する掻上げ手段（５）の掻上げ用ヘラ（53）の先端が図１に示すように回転させる曲率に合せている。又、前記底部（22a）は、前記脱水分離手段（３）の第１脱水分離板群（31）及び第２脱水分離板群（32）よりも下方に位置している。 Embodiments of the present invention will be described with reference to the drawings. (1) is an apparatus main body of the solid-liquid separator, and inside the apparatus main body (1), there are a rectifying tank (2), a dehydrating and separating means (3), a rectifying plate (4), a scraping means, which will be described later. (5) etc. are provided. (2) is a rectifying tank having a level regulating means (24) connected to a supply pipe (23) for supplying an object to be treated. The rectifying tank (2) has a rectifying plate (4), which will be described later, opened at the bottom. The inflow chamber (21) and the rectification chamber (22) are partitioned in this state. Further, on the side surface of the inflow chamber (21), there are provided a supply pipe (23) and an overflow discharge pipe which is a level regulating means (24). The bottom portion (22a) of the rectifying chamber (22) is formed in a curved surface, and the curvature thereof is rotated as shown in FIG. 1 by the tip of a lifting spatula (53) of the lifting means (5) described later. It matches the curvature. The bottom (22a) is located below the first dehydration separation plate group (31) and the second dehydration separation plate group (32) of the dehydration separation means (3).
（３）は整流槽（２）と連接する脱水分離手段であり、該脱水分離手段（３）は、多数の第１平板（31a）を所定間隔開けて平行に配置する第１脱水分離板群（31）と、この第１脱水分離板群（31）の各第１平板（31a）の間に平行に配置した多数の第２平板（32a）から成る第２脱水分離板群（32）と、これら第１脱水分離板群（31）及び第２脱水分離板群（32）の少なくとも一方を上下に移動させる後述する駆動手段（６）と、が少なくとも備えられている。この第１脱水分離板群（31）及び第２脱水分離板群（32）は図１に示すように、搬送方向に対して持上げられるように傾斜されている。前記第１平板（31a）と第２平板（32a）の板厚としては２ｍｍで、各板間の隙間は、0.5ｍｍ前後になるように配置するのが好ましい。尚、この脱水分離機構は、特開２００９−２４７９８２や特開２００４−８８８で用いられるものと同じ機構のものを用いれば良く、この機構は公知であるので、これ以上の詳細な説明は省略する。（４）は整流槽（２）の内部に設けると共に下部を開口したステンレス製の整流板であり、該整流板（４）は流入室（21）と整流室（22）とに区画した際に、処理対象物の供給時や掻上げ時等に影響が出ない強度を有した板材であれば良く、材質は限定されるものではない。 (3) is dehydration separation means connected to the flow straightening tank (2), and the dehydration separation means (3) is a first dehydration separation plate group in which a large number of first flat plates (31a) are arranged in parallel at predetermined intervals. (31) and a second dewatering separation plate group (32) comprising a plurality of second flat plates (32a) arranged in parallel between the first flat plates (31a) of the first dehydration separation plate group (31) At least one of the first dehydrating / separating plate group (31) and the second dehydrating / separating plate group (32), which will be described later, is provided at least. As shown in FIG. 1, the first dewatering separation plate group (31) and the second dehydration separation plate group (32) are inclined so as to be lifted with respect to the conveying direction. The thickness of the first flat plate (31a) and the second flat plate (32a) is preferably 2 mm, and the gap between the plates is preferably about 0.5 mm. The dehydration / separation mechanism may be the same as that used in Japanese Patent Application Laid-Open No. 2009-247982 and Japanese Patent Application Laid-Open No. 2004-888. Since this mechanism is publicly known, further detailed description is omitted. . (4) is a stainless steel rectifying plate provided inside the rectifying tank (2) and opened at the bottom, and when the rectifying plate (4) is partitioned into the inflow chamber (21) and the rectifying chamber (22). Any material may be used as long as it has a strength that does not affect the supply or scraping of the processing object, and the material is not limited.
（５）は整流槽（２）の整流室（21）内部に図１に示すように具備したステンレス製の掻上げ手段であり、該掻上げ手段（５）は図３、図４に示すように、パイプ状の回転軸（51）と、それに連結した複数のアーム（52）と、該アーム（52）の先端に設けた掻上げ用ヘラ（53）と、から少なくとも成されている。前記掻上げ用ヘラ（53）には、アーム（52）の先端に固着した板状でタップ穴が複数穿設された取付板（53a）と、掻上げ用のゴム板（53b）と、そのゴム板（53b）を取付板（53a）とで挟持するゴム板押え板（53c）と、該ゴム板押え板（53c）を取付板（53a）に固着させるための複数のボルト（53d）とがある。（６）は第１脱水分離板群（31）と第２脱水分離板群（32）の少なくとも一方を上下に移動させると共に、掻上げ手段（５）も駆動させる駆動手段である。駆動手段（６）のギヤーモーター（61）に連結する駆動軸の一端は、脱水分離手段（３）の機構に接続させると共に他端は、掻上げ手段（５）の機構に接続させている。また第１脱水分離板群（31）と第２脱水分離板群（32）を上下に移動させる機構は従来のものと同じもので良く、公知であるのでこれ以上の詳細な説明は省略する。掻上げ手段（５）を駆動させる機構としては、ギヤーモーター（61）の動力を伝達するチェーン・スプロケット（62）と、回転軸（51）に取付けたギヤー（63）と、チェーンの弛みをなくすための張車（64）とから構成させている。（７）は脱水分離手段（３）の端側に設けたシュートであり、これは固形物だけを排出するためのものである。 (5) is a stainless steel scraping means provided inside the straightening chamber (21) of the straightening tank (2) as shown in FIG. 1, and the scraping means (5) is as shown in FIG. 3 and FIG. In addition, it comprises at least a pipe-shaped rotating shaft (51), a plurality of arms (52) connected thereto, and a spatula for lifting (53) provided at the tip of the arm (52). The scraping spatula (53) has a plate-like mounting plate (53a) fixed to the tip of the arm (52) and a plurality of tap holes, a scraping rubber plate (53b), A rubber plate retainer plate (53c) for holding the rubber plate (53b) between the rubber plate (53b) and a plurality of bolts (53d) for fixing the rubber plate retainer plate (53c) to the attachment plate (53a); There is. (6) is a driving means for moving at least one of the first dehydration separation plate group (31) and the second dehydration separation plate group (32) up and down and driving the scraping means (5). One end of the drive shaft connected to the gear motor (61) of the drive means (6) is connected to the mechanism of the dewatering / separating means (3), and the other end is connected to the mechanism of the scraping means (5). Further, the mechanism for moving the first dehydration separation plate group (31) and the second dehydration separation plate group (32) up and down may be the same as that of the conventional one, and is well known, and thus further detailed explanation is omitted. As a mechanism for driving the scraping means (5), the chain sprocket (62) for transmitting the power of the gear motor (61), the gear (63) attached to the rotating shaft (51), and the slack of the chain are eliminated. It is made up of a tension car (64). (7) is a chute provided on the end side of the dewatering separation means (3), which is for discharging only solid matter.
次に本発明の使用方法について説明する。多量の水分を含んだ処理対象物（以降、汚泥水と言う）は図示しないポンプによって、供給管（23）から流入室（21）に送り込まれ、整流槽（２）に溜る。この時、供給管（23）から勢いよく送り込まれた汚泥水は整流板（４）にぶつかり、その勢いが抑制された後、汚泥水は整流板（４）の下部を通過して整流室（22）に入って溜る。この時、豚の毛はランダムに堆積されて絡まった状態となる。その後、整流室（22）に溜った汚泥水は掻上げ手段（５）によって脱水分離手段（３）へ送り込まれるのである。 Next, a method of using the present invention will be described. An object to be treated (hereinafter referred to as sludge water) containing a large amount of moisture is sent from the supply pipe (23) to the inflow chamber (21) by a pump (not shown) and is accumulated in the rectifying tank (2). At this time, the sludge water sent from the supply pipe (23) collides with the rectifying plate (4), and after the momentum is suppressed, the sludge water passes through the lower part of the rectifying plate (4) and flows into the rectifying chamber ( 22) Enter and collect. At this time, the pig's hair is randomly deposited and becomes entangled. Thereafter, the sludge water collected in the rectifying chamber (22) is sent to the dehydration separation means (3) by the scraping means (5).
この掻上げ手段（５）の作用について説明する。先ず始めに駆動手段（６）が駆動されると回転軸（51）が回転し、この回転軸（51）と共に掻上げ用ヘラ（53）も一緒に図１の矢印方向へ回転する。この掻上げ用ヘラ（53）によって整流室（22）の底部（22a）に溜った固形物（豚の毛など）を綺麗に掻上げてさらい、汚泥水と伴に脱水分離手段（３）の第１脱水分離板群（31）及び第２脱水分離板群（32）の端部の上にそれらが乗せられるのである。 The operation of the scraping means (5) will be described. First, when the driving means (6) is driven, the rotating shaft (51) rotates, and the scraping spatula (53) together with the rotating shaft (51) rotates in the direction of the arrow in FIG. This scraping spatula (53) cleans and sweeps up the solids (pig hair, etc.) collected at the bottom (22a) of the rectifying chamber (22), along with the sludge water, They are placed on the ends of the first dewatering separation plate group (31) and the second dehydration separation plate group (32).
次に水分を分離する工程について説明する。第１脱水分離板群（31）及び第２脱水分離板群（32）の端部の上に乗せられた汚泥水の水分は第１平板（31a）と第２平板（32a）の隙間から落下する。この時、豚の毛は従来の如く水分と一緒に落下することは殆どなくなるものとなる。その後、汚泥水が搬送されて行くと、第１脱水分離板群（31）と第２脱水分離板群（32）の両方或いはどちらか一方が上下に移動して汚泥水を揺動させることにより、その水分を滴下しながら汚泥水の固定物が搬送されるのである。その後、脱水分離手段（３）からシュート（７）を経て固形物が排出されるのである。 Next, the process of separating moisture will be described. Sludge water placed on the ends of the first dewatering separation plate group (31) and the second dehydration separation plate group (32) falls from the gap between the first flat plate (31a) and the second flat plate (32a). To do. At this time, the pig's hair is hardly dropped together with moisture as in the prior art. After that, when the sludge water is transported, both or one of the first dewatering separation plate group (31) and the second dewatering separation plate group (32) moves up and down to swing the sludge water. And the fixed thing of sludge water is conveyed, dripping the water | moisture content. Thereafter, the solid matter is discharged from the dehydrating and separating means (3) through the chute (7).
１ 装置本体
２ 整流槽
21 流入室
22 整流室
22a 底部
23 供給管
24 レベル規制手段（排出管）
３ 脱水分離手段
31 第１脱水分離板群
31a 第１平板
32 第２脱水分離板群
32a 第２平板
４ 整流板
５ 掻上げ手段
51 回転軸
52 アーム
53 掻上げ用ヘラ
６ 駆動手段
1 Body 2 Rectification tank
21 Inflow chamber
22 Rectification room
22a bottom
23 Supply pipe
24 level regulation means (discharge pipe)
3 Dehydration and separation means
31 First dewatering separator group
31a First plate
32 Second dewatering separator group
32a Second flat plate 4 Rectifying plate 5 Scraping means
51 Rotation axis
52 arms
53 Spatula for scraping 6 Driving means
Claims (3)
The solid-liquid separator according to claim 1, wherein the level regulating means (24) is an overflow discharge pipe.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289077A (en) * | 2015-11-20 | 2016-02-03 | 无锡山川环保机械有限公司 | Sludge concentrating filter belt mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487607A (en) * | 1990-07-31 | 1992-03-19 | Nkk Corp | Dehydrator for sludge |
| JP2004000888A (en) * | 2002-04-19 | 2004-01-08 | Justec Co Ltd | Solid-liquid separation apparatus |
| JP2009247982A (en) * | 2008-04-04 | 2009-10-29 | Justec Co Ltd | Solid-liquid separator |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487607A (en) * | 1990-07-31 | 1992-03-19 | Nkk Corp | Dehydrator for sludge |
| JP2004000888A (en) * | 2002-04-19 | 2004-01-08 | Justec Co Ltd | Solid-liquid separation apparatus |
| JP2009247982A (en) * | 2008-04-04 | 2009-10-29 | Justec Co Ltd | Solid-liquid separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289077A (en) * | 2015-11-20 | 2016-02-03 | 无锡山川环保机械有限公司 | Sludge concentrating filter belt mechanism |
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