JPH0477601B2 - - Google Patents
Info
- Publication number
- JPH0477601B2 JPH0477601B2 JP63182474A JP18247488A JPH0477601B2 JP H0477601 B2 JPH0477601 B2 JP H0477601B2 JP 63182474 A JP63182474 A JP 63182474A JP 18247488 A JP18247488 A JP 18247488A JP H0477601 B2 JPH0477601 B2 JP H0477601B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter body
- pieces
- bodies
- filtrate
- 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
- 238000001914 filtration Methods 0.000 claims description 18
- 239000000706 filtrate Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Description
【発明の詳細な説明】
この発明は、回転するろ体により懸濁液をろ過
するろ過装置に係わる。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a filtration device that filters a suspension using a rotating filter body.
従来、回転ろ体により懸濁液をろ過するろ過装
置としては、特公昭47−46416、特公昭57−45606
が開示されているが、これ等のろ過装置は、ろ過
槽内に２列のろ体列を適宜間隔を隔てて設けたも
ので、各列のろ体列は全て連続的に組み合わされ
ているものであつた。これ等の装置は、懸濁微粒
子の層（即ちケーク）によりろ過作用を果たすこ
とになり、ろ過をし、含水率が低下するにつれ
て、ろ体列間のケークが硬化する。この硬化が必
要以上に進んだとき、ろ過を継続するとケーク硬
化が絞り圧としてろ体に反作用的に加わり、ろ体
の破損が生じ、ろ過不能となることがあつた。 Conventionally, as a filtration device that filters a suspension using a rotating filter body, there are
is disclosed, but these filtration devices have two rows of filter bodies arranged at appropriate intervals in a filtration tank, and all of the filter rows in each row are combined in a continuous manner. It was hot. These devices perform their filtration through a layer (or cake) of suspended particulates, and as the water content decreases, the cake between the rows of filter bodies hardens. When this hardening progresses more than necessary, if filtration is continued, the cake hardening will act as a squeezing pressure on the filter body, causing damage to the filter body and making filtration impossible.
この発明は、懸濁液の性状（例えば懸濁微粒子
の大小や量）の異なつたものでも同一装置にてろ
過するためには装置自体がろ体にかかる絞り圧力
を自動的に調整できるものにする必要があり、こ
れを実現した装置であつて以下に、実施例図を参
考に詳しく説明する。 This invention enables the device itself to automatically adjust the squeezing pressure applied to the filter body in order to filter suspensions with different properties (for example, the size and amount of suspended particles) using the same device. This is a device that achieves this, and will be described in detail below with reference to embodiment figures.
この発明の装置は、ろ過槽１と複数個のろ体２
とからなり、ろ過槽１は、上部に懸濁液の供液口
１２を、前部（第１図の右側）にケーク吐出口１
３を設けたろ過室１０の両側部に、ろ液の排液口
１４を備えたろ液室１１，１１を隔壁１５，１５
に隔てられて設けてなる。 The device of this invention includes a filter tank 1 and a plurality of filter bodies 2.
The filter tank 1 has a suspension supply port 12 at the top and a cake discharge port 1 at the front (right side in Fig. 1).
The filtrate chambers 11, 11 each having a filtrate drain port 14 are connected to the filtrate chambers 11, 11 with partition walls 15, 15 on both sides of the filtration chamber 10 provided with 3.
It is set up separated by
ろ体２は、大ろ片２１と小ろ片２２とを回転軸
２０を中心に交互に被嵌したもので、大ろ片２１
と小ろ片２２とは、厚さが0.1mm〜２mm程度のも
ので大ろ片２１は小ろ片２２よりも直径が大きく
かつ両者には、軸方向に連なるろ液穴２３を穿孔
している。 The filter body 2 has large filter pieces 21 and small filter pieces 22 fitted alternately around the rotating shaft 20.
and the small filter piece 22 have a thickness of about 0.1 mm to 2 mm, the large filter piece 21 has a larger diameter than the small filter piece 22, and both have filtrate holes 23 that are continuous in the axial direction. There is.
ろ過槽１とろ体２とはろ過室１０内に回転軸２
０を水平状に配置してなり、ろ体２の両側部の大
ろ片２１と隔壁１５とは水密を保つた状態で接し
ている。又、ろ液穴２３の両端は、ろ液室１１と
連結されている。ろ過槽１の外に突き出した回転
軸２０の一端にはモータ（図示せず）等の駆動機
に結続される歯車Ｇが固着されている。 The filter tank 1 and the filter body 2 have a rotating shaft 2 inside the filtration chamber 10.
0 are arranged horizontally, and the large filter pieces 21 on both sides of the filter body 2 and the partition wall 15 are in contact with each other in a watertight state. Further, both ends of the filtrate hole 23 are connected to the filtrate chamber 11. A gear G connected to a drive device such as a motor (not shown) is fixed to one end of the rotating shaft 20 protruding outside the filter tank 1.
ろ体２の組合せは、複数個を１列に並設させて
ろ体列ａとし、それを２列上下に適宜間隔を隔て
て配置してろ体群Ａとしている。又、１列のろ体
２は、第３図に示すとおり隣接のろ体２の大ろ片
２１を小ろ片２２に相対応（小ろ片２２を挟持す
る大ろ片２１，２１に対面して小ろ片２２が挿入
している状態）させている。 The combination of filter bodies 2 is such that a plurality of filter bodies 2 are arranged in a row to form a filter body row a, and two rows are arranged above and below at appropriate intervals to form a filter body group A. In addition, as shown in FIG. 3, one row of filter bodies 2 has the large filter pieces 21 of the adjacent filter bodies 2 facing the small filter pieces 22 (facing the large filter pieces 21, 21 that sandwich the small filter pieces 22). (with the small filter piece 22 inserted).
ろ過室１０には、２組のろ体群Ａ，Ａを、同一
方向（第１図の左右方向）に一列に内設してお
り、各ろ体群Ａ，Ａの間には不連結の減圧部３を
設けている。又、各ろ体群Ａ，Ａは、その回転駆
動を別々にし、ろ体２の回転速度を同一又は異る
ものとすることができるようにしている。図中符
号１６は吐出口１３の蓋を示す。 In the filtration chamber 10, two sets of filter bodies A, A are installed in a row in the same direction (left and right direction in Fig. 1), and there is an unconnected space between each filter body group A, A. A pressure reducing section 3 is provided. Further, each filter body group A, A is driven to rotate separately, so that the rotation speed of the filter bodies 2 can be made the same or different. Reference numeral 16 in the figure indicates a lid of the discharge port 13.
なお、第５図に示すようにろ体列ａを吐出口１
３に向かつて傾斜させて吐出口１３近傍のろ体２
が水面上にでるように配置したものでもよく、そ
の場合は、吐出口１３の蓋１６は不要である。 In addition, as shown in FIG.
The filter body 2 near the discharge port 13 is tilted toward the
The discharge port 13 may be arranged so that it is exposed above the water surface, and in that case, the cover 16 of the discharge port 13 is not necessary.
又、ろ過室１０の底を傾斜させた構造にした
り、ろ過室１０の底に後向（第４図中、左方向）
に噴射ノズルＮを設けて、そのノズルから圧力水
（又は、圧縮空気）を噴射することによつて沈澱
する懸濁微粒子を、原液の供液口１２に導き、若
しくは撹拌させるようにしてもよい。 In addition, the bottom of the filtration chamber 10 may be made to have an inclined structure, or the bottom of the filtration chamber 10 may be made to have a structure facing backwards (towards the left in Fig. 4).
An injection nozzle N may be provided in the nozzle, and the suspended particles that are precipitated by injection of pressurized water (or compressed air) from the nozzle may be guided to the liquid supply port 12 of the stock solution or stirred. .
又、ろ過室１０の底に吸引ポンプＰを取付け
て、常時的にゆつくり、若しくは間欠的（定時間
毎）に沈澱微粒子を吸い出して供液口１２に戻す
ようにしてもよい。 Alternatively, a suction pump P may be attached to the bottom of the filtration chamber 10 to constantly or intermittently (at regular intervals) suck out the precipitated particles and return them to the liquid supply port 12.
次に本発明装置の作用を述べると、ケーク吐出
口１３を蓋１６にて閉封した状態で、ろ過すべき
原液を供液口１２から圧入し、各ろ体２を図中に
示す矢印方向に回転させると、原液は、ろ体２の
大ろ片２１，２１間に案内され、懸濁微粒子は、
小ろ片２２の外周と大ろ片２１，２１の間に積層
すると同時にろ液は、ろ体２のろ液穴２３を通
じ、ろ液室１１、排液口１４から装置外に排出さ
れる。 Next, to describe the operation of the device of the present invention, with the cake discharge port 13 closed with the lid 16, the stock solution to be filtered is pressurized through the liquid supply port 12, and each filter body 2 is moved in the direction of the arrow shown in the figure. When rotated, the stock solution is guided between the large filter pieces 21, 21 of the filter body 2, and the suspended fine particles are
At the same time as the filtrate is layered between the outer periphery of the small filter piece 22 and the large filter pieces 21, 21, the filtrate passes through the filtrate hole 23 of the filter body 2, and is discharged to the outside of the apparatus from the filtrate chamber 11 and the drain port 14.
一方、ろ体２の外周に積層した微粒子は、ケー
クとしてケーク吐出口１３付近に充満し、吐出口
１３から直接に原液が流出しなくなつたときに蓋
１６を解放するとろ体２の回転によりケークは順
次吐出口１３から排出される。（第５図の場合は、
ケークをろ体２により持ち上げるため重力により
ケークが吐出口１３付近で充満して排出される。）
又、ケークの排出速度は、ろ体２の回転速度で調
節をしているが、ろ体列ａ，ａ間のケークが相当
充満すると吐出口１３から出る速度とろ体２の回
転速度とが不均衡となつた際（ケークが吐出口１
３から出ようとする量が多く、ろ体２の回転速度
がそのケークを全部排出できるものでない場合）、
ケークの絞り圧がろ体２にかかるが、吐出口１３
に近い上下対向のろ体群Ａ，Ａ間に積層し、減圧
部３まで充満したとき、後続のケークが減圧部３
からろ体２の裏部（第１図の上下方向）に逃げる
ことになり、充満したケークがろ体２に加える圧
力を減らすことになる。 On the other hand, the fine particles stacked on the outer periphery of the filter body 2 fill the vicinity of the cake discharge port 13 as a cake, and when the lid 16 is released when the undiluted solution no longer flows out directly from the discharge port 13, the rotation of the filter body 2 causes The cake is sequentially discharged from the discharge port 13. (In the case of Figure 5,
Since the cake is lifted by the filter body 2, the cake fills near the discharge port 13 due to gravity and is discharged. )
In addition, the speed at which the cake is discharged is adjusted by the rotational speed of the filter body 2, but if the cake between the filter body rows a and a becomes considerably full, the speed at which the cake is discharged from the discharge port 13 and the rotational speed of the filter body 2 become inconsistent. When equilibrium is reached (cake is at outlet 1)
(If there is a large amount of cake trying to come out from 3 and the rotational speed of filter body 2 is not such that all of the cake can be discharged),
Although the squeezing pressure of the cake is applied to the filter body 2, the discharge port 13
When the filter bodies are stacked between the upper and lower facing filter groups A and A, and the cake is filled up to the pressure reducing part 3, the following cakes are stacked between the upper and lower facing filter bodies
This causes the cake to escape to the back of the filter body 2 (in the vertical direction in FIG. 1), reducing the pressure exerted on the filter body 2 by the filled cake.
以上に述べたとおり、この発明装置は、懸濁液
を連続的にろ過するとともに、ろ体群の間のケー
クの絞り圧が余分にろ体にかかつたときに減圧す
ることができて、即ち、人的に行うことなくでき
る。よつてろ体の破損等の事故を未然に防止する
効果を有する。 As described above, the device of the present invention is capable of continuously filtering the suspension and reducing the pressure when the squeezing pressure of the cake between the filter bodies is excessively applied to the filter bodies. In other words, it can be done without any human intervention. This has the effect of preventing accidents such as damage to the tottero body.
図面は、本発明装置の実施例図を示す。
第１図は縦断面図、第２図は第１図の−視
断面図、第３図はろ体の組合状態を示す正面図、
第４図・第５図は他実施例を示す縦断面図
１……ろ過槽、１２……供液口、１３……吐出
口、１４……排液口、２……ろ体、２０……回転
軸、２１……大ろ片、２２……小ろ片、２３……
ろ液穴、Ａ……ろ体群、ａ……ろ体列。
The drawing shows an embodiment of the device according to the invention. FIG. 1 is a longitudinal sectional view, FIG. 2 is a sectional view taken from the side of FIG. 1, and FIG. 3 is a front view showing the assembled state of the filter body.
4 and 5 are vertical cross-sectional views showing other embodiments 1...filter tank, 12...liquid supply port, 13...discharge port, 14...drain port, 2...filter body, 20... ...Rotating shaft, 21... Large filter piece, 22... Small filter piece, 23...
Filtrate hole, A... filter body group, a... filter body row.
Claims (1)
びろ液の排液口１４を有するろ過槽１内の供液口
１２と吐出口１３との間に、円盤状で直径の異な
る大ろ片２１と小ろ片２２とを交互に回転軸２０
を中心に被嵌し、大ろ片２１又は両ろ片２１，２
２には軸方向にろ液穴２３を設けてなるろ体２を
複数個、大ろ片２１が相隣接するろ体２の大ろ片
２１，２１間に突入状態で配置させてろ体列ａと
なし、複数個のろ体列ａを所定間隔で上下に並列
にしてなるろ体群Ａを配設し、かつろ過槽１の排
液口１４とろ体２のろ液穴２３とを連通してなる
ろ過装置において、ろ過槽１内に、２組のろ体群
Ａ，Ａを上下ろ体列ａ，ａのそれぞれに不連結の
減圧部３，３を設けて並設したことを特徴とする
絞り圧力調整機能を有する回転ろ過装置。1 Between the liquid supply port 12 and the discharge port 13 in the filtration tank 1, which has the suspension liquid supply port 12, the cake discharge port 13, and the filtrate drain port 14, a disc-shaped large diameter pipe is provided. The filter pieces 21 and small filter pieces 22 are alternately attached to the rotating shaft 20.
is fitted around the center, and the large filter piece 21 or both filter pieces 21, 2
2 has a plurality of filter bodies 2 having filtrate holes 23 in the axial direction, and the large filter pieces 21 are arranged in a protruding state between the large filter pieces 21, 21 of the adjacent filter bodies 2 to form a filter body row a. A filter body group A is arranged in which a plurality of filter body rows a are vertically arranged in parallel at predetermined intervals, and the drain port 14 of the filtration tank 1 and the filtrate hole 23 of the filter body 2 are communicated. In this filtration device, two sets of filter bodies A, A are arranged side by side in a filter tank 1, with unconnected pressure reducing parts 3, 3 provided for each of the upper and lower filter body rows a, a. A rotary filtration device with a restriction pressure adjustment function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182474A JPH0231806A (en) | 1988-07-21 | 1988-07-21 | Rotary filtration apparatus having squeezing pressure adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182474A JPH0231806A (en) | 1988-07-21 | 1988-07-21 | Rotary filtration apparatus having squeezing pressure adjusting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0231806A JPH0231806A (en) | 1990-02-01 |
| JPH0477601B2 true JPH0477601B2 (en) | 1992-12-08 |
Family
ID=16118902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63182474A Granted JPH0231806A (en) | 1988-07-21 | 1988-07-21 | Rotary filtration apparatus having squeezing pressure adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0231806A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104313A (en) * | 1987-10-16 | 1989-04-21 | Rokuro Tomioka | Filtration dehydration equipment |
-
1988
- 1988-07-21 JP JP63182474A patent/JPH0231806A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104313A (en) * | 1987-10-16 | 1989-04-21 | Rokuro Tomioka | Filtration dehydration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0231806A (en) | 1990-02-01 |
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