JPH08215510A - Filter medium washer in moving bed type filter - Google Patents
Filter medium washer in moving bed type filterInfo
- Publication number
- JPH08215510A JPH08215510A JP7051845A JP5184595A JPH08215510A JP H08215510 A JPH08215510 A JP H08215510A JP 7051845 A JP7051845 A JP 7051845A JP 5184595 A JP5184595 A JP 5184595A JP H08215510 A JPH08215510 A JP H08215510A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter medium
- tank
- separation chamber
- screw conveyor
- 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.)
- Pending
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、砂等の粒状のろ材よ
りなるろ過床を洗浄更新しながら、連続的にろ過操作を
行なうようにしたいわゆる移動ろ床式ろ過機におけるろ
材の洗浄再生装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter medium cleaning / regenerating apparatus for a so-called moving filter type filter, which is capable of continuously performing a filtering operation while cleaning and renewing a filter bed made of granular filter material such as sand. Regarding the improvement of.
【０００２】[0002]
【従来の技術】従来、この種ろ材の洗浄装置を用いたろ
過装置としては、例えば、特公昭４８−２１５５１号発
明、特公昭５３−４２１４６号発明がある。これらは何
れもろ材を洗浄再生して循環させる移動ろ床式のろ過装
置であり、特公昭４８−２１５５１号発明では、目詰り
したろ材を搬送するのに圧力水を用いており、特公昭５
３−４２１４６号では、圧力空気で搬送している。な
お、この発明は、移動ろ床式のろ過機であるが下降流式
のろ過装置である。2. Description of the Related Art Conventionally, examples of a filtration device using this type of filter medium cleaning device include inventions of Japanese Patent Publication No. 48-21551 and Japanese Patent Publication No. 53-42146. All of these are moving filter beds type filter devices for washing, recycling and circulating the filter medium. In Japanese Patent Publication No. 48-21551, pressure water is used to convey the clogged filter medium.
In No. 3-42146, it is conveyed by compressed air. The present invention is a moving filter type filter, but a downflow type filtering device.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、特公昭４
８−２１５５１号発明では、汚染したろ材を搬送するの
に高圧のポンプを用いており、ろ材を洗浄するのもろ液
を用いている。そして、このポンプはろ過槽の底部の高
圧に抗してろ材を搬送するために高圧ポンプでなければ
ならず、多量の洗浄水を消費するとともに、特に、この
発明では、ろ材を搬送するためにろ液を用いている。[Problems to be Solved by the Invention]
In the invention of 8-21551, a high-pressure pump is used to convey a contaminated filter medium, and a filtrate is used to wash the filter medium. And, this pump must be a high-pressure pump for conveying the filter medium against the high pressure at the bottom of the filtration tank, and consumes a large amount of washing water. The filtrate is used.
【０００４】また、特公昭５３−４２１４６号発明で
は、ろ材を搬送するのにエアーリフトを用いているが、
このエアーリフトに用いる空気もろ過槽の底部からろ材
を持上げるために高圧空気でなければならず、多大の動
力を必要とするとともに、搬送媒体として原水を用いて
いる。従って高圧のコンプレッサー等の機器を必要と
し、また、洗浄のために多量の原水を必要としろ過効率
が悪い。Further, in the invention of Japanese Patent Publication No. 53-42146, an air lift is used to convey the filter medium.
The air used for this air lift must also be high-pressure air to lift the filter medium from the bottom of the filtration tank, requires a large amount of power, and uses raw water as a carrier medium. Therefore, equipment such as a high-pressure compressor is required, and a large amount of raw water is required for cleaning, resulting in poor filtration efficiency.
【０００５】[0005]
【課題を解決するための手段】この発明は、上述のよう
な従来装置の難点を解決したものであって、その要旨と
するところは、ろ過槽内に水よりも重い粒状のろ材を装
填し、ろ過槽の下部から原水を供給してろ材層中を上昇
させ、そのろ液をろ過槽の上部から取出すようにしたろ
過機において、上記ろ材層中にスクリューコンベアーを
立設し、そのスクリューコンベアーの外筒の下端をろ材
層の下面部で開口させ、その上端をろ過槽内にこれと区
画して設けた分離室内で開口させるとともに、この分離
室とろ過槽とを前記外筒を囲撓するように設けた洗浄筒
で連通させたものである。SUMMARY OF THE INVENTION The present invention solves the above-mentioned drawbacks of the conventional device. The gist of the present invention is to load a granular filter medium, which is heavier than water, into a filter tank. , In a filter configured to supply raw water from the lower part of the filter tank to raise the inside of the filter medium layer and to take out the filtrate from the upper part of the filter tank, a screw conveyor is erected in the filter medium layer and the screw conveyor The lower end of the outer cylinder is opened at the lower surface of the filter medium layer, and the upper end is opened in the separation chamber provided in the filter tank so as to partition the outer cylinder. The washing cylinders are provided so as to communicate with each other.
【０００６】[0006]
【作用】この発明に係る装置は、上述のように構成して
あるので、ろ過槽の下部から供給された原水は、ろ材層
中を上昇する間にその懸濁物が捕捉され、そのろ液をろ
過槽の上部から取出することができる。Since the apparatus according to the present invention is configured as described above, the raw water supplied from the lower part of the filtration tank is trapped in the suspension while rising in the filter medium layer, and the filtrate is collected. Can be taken out from the upper part of the filtration tank.
【０００７】一方、これと同時にスクリューコンベアー
を作動させることによって、ろ材層の下面部の目詰りし
たろ材を外筒の下端開口からスクリューで搬送し、これ
をその上端の開口から分離室内に吐出させることができ
る。この搬送されるろ材は、この外筒内を搬送される間
にスクリューによって掻きまぜられて、付着した夾雑物
が剥離される。そして、スクリューコンベアーから吐出
した部位では、重いろ材は沈降し、軽い夾雑物は分離室
内に浮上する。On the other hand, at the same time, by operating the screw conveyor, the clogging filter medium on the lower surface of the filter medium layer is conveyed by a screw from the lower opening of the outer cylinder and discharged into the separation chamber from the upper opening thereof. be able to. The conveyed filter medium is agitated by the screw while being conveyed in the outer cylinder, and the adhering foreign matters are peeled off. Then, at the portion discharged from the screw conveyor, the heavy filter medium settles and the light contaminants float in the separation chamber.
【０００８】そして、分離室内に浮上した軽い汚染物は
系外に排出され、重いろ材は洗浄筒内を沈降し、洗浄筒
内で上昇してくるろ液に接触してさらに洗浄されてろ材
層の表面上に落下する。このとき、分離室とろ過槽との
間が洗浄筒で連通させてあるので、洗浄水（ろ液）とろ
材との接触する時間が長く、ろ材を完全に洗浄でき夾雑
物を完全に分離することができる。Then, the light pollutants floating in the separation chamber are discharged to the outside of the system, and the heavy filter medium settles in the washing cylinder, comes into contact with the ascending filtrate in the washing cylinder, and is further washed to obtain the filter medium layer. Fall on the surface of. At this time, since the separation chamber and the filtration tank are communicated with each other by the washing cylinder, the washing water (filtrate) is in contact with the filter medium for a long time, and the filter medium can be thoroughly washed to completely separate the impurities. be able to.
【０００９】すなわち、この発明では、目詰りしたろ材
をスクリューコンベアーで搬送しながら、その汚染付着
物を分離し、さらに、目詰り物を分離したろ材を上向す
るろ液によって完全に洗浄した上でろ材層の表面に還流
させるもので、従来の目詰りしたろ材をポンプや高圧空
気で搬送して洗浄するものに比較して設備機器および動
力も少なくて済み、特に、搬送媒体としてろ液や原水を
用いるものと比較して、その使用量が少なく、ろ過装置
として効率が高いものである。That is, in the present invention, the contaminated deposits are separated while the clogging filter medium is conveyed by the screw conveyor, and the filter medium from which the clogging substances are separated is completely washed with the upward filtrate. In order to recirculate on the surface of the filter medium layer, less equipment and power are required compared to the conventional one that uses a pump or high-pressure air to convey and clean the clogged filter medium. Compared with the one using raw water, the amount used is small and the efficiency as a filtration device is high.
【００１０】[0010]
【実施例】図１において、符号１はろ過槽、２はろ過槽
１に装填したろ過砂、３は、ろ過槽１の中心部に立設し
たスクリューコンベアーであり、その外筒３ａの下端を
ろ過槽１の底部において開口させてあり、その上端は、
ろ過槽１の上部にろ過槽１に対して区画して設けた分離
室４内に開口させてある。符号３ｂは、外筒３ａ内に立
設したスクリュー、符号５はスクリュー軸に固定した攪
拌羽根である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 is a filter tank, 2 is filter sand loaded in the filter tank 1, 3 is a screw conveyor standing upright in the center of the filter tank 1, and the lower end of its outer cylinder 3a is It is opened at the bottom of the filtration tank 1, and its upper end is
The upper part of the filtration tank 1 is opened in a separation chamber 4 which is partitioned from the filtration tank 1. Reference numeral 3b is a screw erected in the outer cylinder 3a, and reference numeral 5 is a stirring blade fixed to the screw shaft.
【００１１】前述の分離室４とろ過槽１とは、スクリュ
ーコンベアー３を囲撓するように設けた洗浄筒６によっ
て連通させてあり、その洗浄筒６の上端は、前述の外筒
３ａの開口部の周辺に臨ませて開口させてあり、その下
端は、ろ液室１ａ内において外筒３ａに周部に固定した
分配傘７に向けて開口させてある。また、洗浄筒６の内
部には、多数のバッフル板６ａがジグザグ状に設けてあ
る。また、符号８は、分離室４の水位の調節板であり、
ハンドル８ａによって上下して水位Ｈ２が調節できるよ
うにしてある。符号９は、洗浄排水の排水口である。The separation chamber 4 and the filtration tank 1 are communicated with each other by a cleaning cylinder 6 provided so as to surround the screw conveyor 3, and the upper end of the cleaning cylinder 6 is the opening of the outer cylinder 3a. It is opened so as to face the periphery of the portion, and its lower end is opened toward the distribution umbrella 7 fixed to the peripheral portion of the outer cylinder 3a in the filtrate chamber 1a. A large number of baffle plates 6a are provided in a zigzag shape inside the cleaning cylinder 6. Further, reference numeral 8 is a water level adjusting plate of the separation chamber 4,
The water level H2 can be adjusted up and down by the handle 8a. Reference numeral 9 is a drainage port for cleaning drainage.
【００１２】次に、ろ過槽１の底部は逆円錐状形に形成
してその側方に原水の供給口１０を設け、ろ過砂２が形
成するろ過層の下層部には、原水の供給管１０ａを立設
し、その開口上方には、原水の分流板１０ｂを設けてい
る。Next, the bottom of the filtration tank 1 is formed in an inverted conical shape and the raw water supply port 10 is provided on the side thereof, and the raw water supply pipe is provided in the lower layer of the filtration layer formed by the filter sand 2. 10a is provided upright, and a raw water diversion plate 10b is provided above the opening.
【００１３】また、ろ過槽１の上部には、堰板１１を設
けて、ろ液（ろ過水）を溢流するようにするとともに、
ろ液の取出口１２が設けてある。この堰板１１は、ろ過
槽１のろ液の水位Ｈ１と前述の分離室４の水位Ｈ２との
間に水頭Ｈが保持できる高さに設けてある。なお、符号
１３は、スクリュー軸駆動用のモーターである。A weir plate 11 is provided above the filtration tank 1 so that the filtrate (filtrated water) overflows.
A filtrate outlet 12 is provided. This dam plate 11 is provided at a height where the water head H can be held between the water level H1 of the filtrate in the filtration tank 1 and the water level H2 in the separation chamber 4 described above. Reference numeral 13 is a motor for driving the screw shaft.
【００１４】この発明に係る装置は、上述のように構成
してあり、原水は供給管１０ａによってろ材層の下層部
に供給され、ろ材層中を上昇する間に夾雑物が捕捉され
てろ過槽１の上部にろ液が溜り、取出口１２から槽外１
に取出することができる。The apparatus according to the present invention is configured as described above, and the raw water is supplied to the lower part of the filter medium layer by the supply pipe 10a, and the foreign matter is captured while rising in the filter medium layer, so that the filter tank is filtered. The filtrate collects on the upper part of 1, and from the outlet 12 to the outside of the tank 1.
Can be taken out.
【００１５】一方、ろ過槽１の底部では、スクリューコ
ンベアー３を駆動することによって、その外筒３ａの下
端開口周辺のろ過砂２が、スクリュー３ｂによって上方
に搬送され、外筒３ａの上端の開口から分離室４内に吐
出する。On the other hand, at the bottom of the filter tank 1, by driving the screw conveyor 3, the filter sand 2 around the lower end opening of the outer cylinder 3a is conveyed upward by the screw 3b, and the upper opening of the outer cylinder 3a is opened. Is discharged into the separation chamber 4.
【００１６】そして、吐出したろ過砂２は、スクリュー
コンベアー３内で互に接触して付着した夾雑物が剥離さ
れており、洗浄筒６を上昇するろ液によって洗浄され、
重いろ過砂２は洗浄筒６内に沈降して、ろ材層の表面上
に落下し、軽い夾雑物は分離室４内に浮上して系外に取
出される。尚、攪拌羽根は、汚染物が付着してマッド状
に固結したろ過砂を破砕し、洗浄を助長することができ
るものである。Then, the discharged filter sand 2 is cleaned of the contaminants that have come into contact with each other in the screw conveyor 3 and adhered thereto, and are washed by the filtrate rising in the washing cylinder 6,
The heavy filter sand 2 settles in the washing cylinder 6 and falls on the surface of the filter medium layer, and the light contaminants float in the separation chamber 4 and are taken out of the system. In addition, the stirring blade is capable of crushing the filter sand that is contaminated with contaminants and solidified in a mud shape to promote cleaning.
【００１７】すなわち、この発明に係る装置では、ろ材
層の底部の汚れたろ過砂２をスクリューコンベアー３に
よって上方に搬送した洗浄再生してろ材層の上面に還流
させ、このようにしてろ材層を連続的に再生し自ら連続
したろ過運転をすることができるものである。That is, in the apparatus according to the present invention, the dirty filter sand 2 at the bottom of the filter medium layer is washed and recycled by being conveyed upward by the screw conveyor 3 and is recirculated to the upper surface of the filter medium layer, thus forming the filter medium layer. It is capable of continuously regenerating and performing continuous filtration operation itself.
【００１８】この連続ろ過運転をするに当って、この発
明では、ろ過砂２を上方に搬送するのに、スクリューコ
ンベアー３のメカニカルな装置を用いているので、従来
の搬送媒体と高圧水や高圧空気を用いるものに比較して
洗浄水量が極く少量で足り、また、使用動力も僅かで足
りる。高圧ポンプや高圧空気を得るためのコンプレッサ
ーは、全く不要である。In carrying out this continuous filtration operation, in the present invention, since the mechanical device of the screw conveyor 3 is used to convey the filter sand 2 upward, the conventional conveying medium and high pressure water or high pressure are used. Compared to the one using air, a very small amount of washing water is sufficient, and the power used is also small. No high pressure pump or compressor to obtain high pressure air is needed at all.
【００１９】また、前述のようなろ過砂を洗浄再生する
に当って、この発明では、分離室４とろ過槽との間に洗
浄筒６が設けてあるので、分離室４から沈降するろ過砂
２を完全に洗浄することができる。特に、図例のように
洗浄筒６内にバッフル板６ａを設けておけば、ろ過砂２
をゆっくりと沈降させて長時間で洗浄することができ、
ろ過槽１の高さを低くすることが可能である。Further, in cleaning and regenerating the filter sand as described above, in the present invention, since the cleaning cylinder 6 is provided between the separation chamber 4 and the filtration tank, the filter sand settled from the separation chamber 4 2 can be washed thoroughly. In particular, if a baffle plate 6a is provided in the cleaning cylinder 6 as shown in the figure, the filter sand 2
Can be slowly sedimented and washed for a long time,
It is possible to reduce the height of the filtration tank 1.
【００２０】[0020]
【発明の効果】このように、この発明に係る装置は、従
来のこの種ろ過機のろ材の洗浄再生装置に比較して、ろ
材を搬送するのにスクリューコンベアーを用いて、ろ材
を分離室に機械的に搬送したので、従来のもののように
搬送媒体としての原水やろ液の使用量を大巾に削減する
ことができるとともに、分離室からろ過槽との間にろ材
の洗浄装置を設けたもので、剥離した夾雑物を完全に分
離できるとともに、この洗浄装置を図例のようなバッフ
ル板を設けた洗浄筒にしておくと、ろ材が沈降する高さ
および時間を長くとることができ、また、ろ過槽の高さ
を低くすることができ、前述、高圧ポンプやコンプレッ
サーを削減することと併せて装置全体をコンパクトに構
成できる利点を有するものである。As described above, the apparatus according to the present invention uses the screw conveyor to convey the filter medium in the separation chamber as compared with the conventional filter medium cleaning / regenerating apparatus of this kind of filter. Since it is mechanically transported, the amount of raw water and filtrate used as a transport medium can be greatly reduced as in the conventional one, and a filter material cleaning device is provided between the separation chamber and the filtration tank. In addition, the separated impurities can be completely separated, and if this cleaning device is a cleaning cylinder equipped with a baffle plate as shown in the figure, the height and time for the filter medium to settle can be increased, and The height of the filtration tank can be reduced, and the above-described reduction of the number of high-pressure pumps and compressors has the advantage that the entire apparatus can be made compact.
【図１】この発明に係るろ過装置の模式的縦断面図であ
り、一部を切除している。FIG. 1 is a schematic vertical cross-sectional view of a filtration device according to the present invention, with a part cut away.
【図２】同じく、その模式平面図である。FIG. 2 is a schematic plan view of the same.
１ ろ過槽 ２ ろ過砂 ３ スクリューコンベアー ４ 分離室 ６ 洗浄筒 1 Filtration tank 2 Filtration sand 3 Screw conveyor 4 Separation chamber 6 Washing cylinder
Claims (1)
填し、ろ過槽の下部から原水を供給してろ材層中を上昇
させ、そのろ液をろ過槽の上部から取出するようにした
ろ過機において、上記ろ材層中にスクリューコンベアー
を立設し、そのスクリューコンベアーの外筒の下端をろ
材層の下面部で開口させ、その上端をろ過槽内にこれと
区画して設けた分離室内で開口させるとともに、この分
離室とろ過槽とを前記外筒を囲撓するように設けた洗浄
筒で連通させてなる移動ろ床式ろ過機におけるろ材の洗
浄装置1. A method of loading granular filter medium, which is heavier than water, into the filter tank, supplying raw water from the lower portion of the filter tank to raise the inside of the filter medium layer, and removing the filtrate from the upper portion of the filter tank. In the filter, the screw conveyer is erected in the filter medium layer, the lower end of the outer cylinder of the screw conveyer is opened at the lower surface of the filter medium layer, and the upper end of the screw conveyer is partitioned and provided in the filtration tank. A cleaning device for a filter medium in a moving filter apparatus, which is opened in a room, and the separation chamber and the filtration tank are communicated with each other by a cleaning cylinder provided so as to surround the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7051845A JPH08215510A (en) | 1995-02-15 | 1995-02-15 | Filter medium washer in moving bed type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7051845A JPH08215510A (en) | 1995-02-15 | 1995-02-15 | Filter medium washer in moving bed type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08215510A true JPH08215510A (en) | 1996-08-27 |
Family
ID=12898198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7051845A Pending JPH08215510A (en) | 1995-02-15 | 1995-02-15 | Filter medium washer in moving bed type filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08215510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043715A1 (en) * | 2001-11-19 | 2003-05-30 | Nihon Genryo Co., Ltd. | Filter device |
| KR100397530B1 (en) * | 1996-03-29 | 2003-11-17 | 이병수 | Centrifugal upflow type sand filter |
| KR100601058B1 (en) * | 2004-04-01 | 2006-07-19 | 백인우 | Sand Washing Machine |
-
1995
- 1995-02-15 JP JP7051845A patent/JPH08215510A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397530B1 (en) * | 1996-03-29 | 2003-11-17 | 이병수 | Centrifugal upflow type sand filter |
| WO2003043715A1 (en) * | 2001-11-19 | 2003-05-30 | Nihon Genryo Co., Ltd. | Filter device |
| CN1309444C (en) * | 2001-11-19 | 2007-04-11 | 日本原料株式会社 | Filter device |
| US7267767B2 (en) | 2001-11-19 | 2007-09-11 | Nihon Genryo Co., Ltd. | Filtration apparatus |
| KR100829331B1 (en) * | 2001-11-19 | 2008-05-13 | 니혼 겐료 가부시끼가이샤 | Filter device |
| CN100434136C (en) * | 2001-11-19 | 2008-11-19 | 日本原料株式会社 | Filter device |
| KR100601058B1 (en) * | 2004-04-01 | 2006-07-19 | 백인우 | Sand Washing Machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5454959A (en) | Moving bed filters | |
| US5730886A (en) | Continuous self-cleaning filtration unit | |
| CN2910324Y (en) | Micro solid/liquid separator | |
| US5635080A (en) | Filter system with external scrubber | |
| JPH08215509A (en) | Filter medium washer in moving filter bed type filter | |
| CN210409819U (en) | Waste water separation device for recycling waste glass slag | |
| JPH08215510A (en) | Filter medium washer in moving bed type filter | |
| CN2907825Y (en) | Self-cleaning sand shifting filter | |
| RU2033843C1 (en) | Filter for suspension separation | |
| KR100940829B1 (en) | Sand filter for removal phosphorus | |
| CN110451671A (en) | The self-circulating water processing unit of electrophoretic painting | |
| KR100512329B1 (en) | A regenerative apparatus of filter sand | |
| JPH0327242B2 (en) | ||
| CN202096798U (en) | Self-cleaning shifting sand filter | |
| CN108905320A (en) | A kind of novel active sand filter | |
| CN108408973A (en) | A kind of tiny flocculation continuous sand filter | |
| CN206318720U (en) | Enter formula vertical filter unit cleaning dregs system in one kind | |
| JP3752213B2 (en) | Cutting fluid filtration device | |
| JP2003220305A (en) | Mobile filter bed-type filter | |
| JP3284529B2 (en) | Transfer device for filter media in mobile filter bed filter | |
| KR100429422B1 (en) | Centrifugal sand filter capable of effectively discharging sludge by rotating a rod without separate device for backwashing filter particles by using centrifugal force of wastewater | |
| CN2179779Y (en) | Deep-bed filter | |
| CN219167869U (en) | Filtering equipment with automatic backwashing suction function | |
| JPH08215511A (en) | Filter medium washing and regenerating apparatus in moving bed type filter | |
| CN201356993Y (en) | Self-cleaning sand drift filter |