JPH038331Y2 - - Google Patents
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- Publication number
- JPH038331Y2 JPH038331Y2 JP18954487U JP18954487U JPH038331Y2 JP H038331 Y2 JPH038331 Y2 JP H038331Y2 JP 18954487 U JP18954487 U JP 18954487U JP 18954487 U JP18954487 U JP 18954487U JP H038331 Y2 JPH038331 Y2 JP H038331Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- tank
- collection pipe
- water collection
- leaf
- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 88
- 238000001914 filtration Methods 0.000 claims description 16
- 239000005909 Kieselgur Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は濾材の清浄の際に、濾過装置本体タン
ク内に圧縮空気を注入することにより、タンク内
の水を排出することができるプリコート型の濾過
装置に関するものである。[Detailed description of the invention] <Industrial application field> The present invention is a pre-coated type that can discharge water from the tank by injecting compressed air into the tank of the main body of the filter when cleaning the filter medium. The present invention relates to a filtration device.
〈従来の技術〉
従来の濾過装置の一つとして、第４図に示すよ
うな、プリコート型の濾過装置が存在する。<Prior Art> As one of the conventional filtration devices, there is a pre-coat type filtration device as shown in FIG.
このプリコート型の濾過装置の構造の概略は、
装置本体のタンク１の内部下方に水平方向に底板
１４を設置し、この底板１４に集水口６を開口
し、円筒形の網体２１とサランの濾布２２とより
なる濾材のリーフ２を設置するものである。 The outline of the structure of this precoat type filtration device is as follows.
A bottom plate 14 is installed in the horizontal direction inside the tank 1 of the main body of the device, a water collection port 6 is opened in the bottom plate 14, and a filter medium leaf 2 consisting of a cylindrical mesh body 21 and a saran filter cloth 22 is installed. It is something to do.
そして先ず、ポンプにより取水管１１からタン
ク１内に珪藻土を解かした溶解液を注入し、リー
フ２の外周面に珪藻土を付着させて濾層を形成さ
せる。 First, a solution of dissolved diatomaceous earth is injected into the tank 1 from the water intake pipe 11 using a pump, and the diatomaceous earth is adhered to the outer peripheral surface of the leaf 2 to form a filter layer.
次に、タンク１内に濾過原水を注入、循環さ
せ、上記の濾層によつて濾過原水の濾過汚物を捕
獲して、濾過処理水のみを排水管１２から排出す
るシステムになつている。 Next, the filtered raw water is injected into the tank 1 and circulated, the filtered waste of the filtered raw water is captured by the filter layer, and only the filtered water is discharged from the drain pipe 12.
〈本考案が解決しようとする問題点〉
前記した従来のプリコート型濾過装置において
は、長時間使用したリーフ２を清浄する際に、次
のような問題が発生する。<Problems to be Solved by the Present Invention> In the conventional precoat type filtration device described above, the following problems occur when cleaning the leaves 2 that have been used for a long time.
即ち、従来はリーフ２に付着した珪藻土を除去
するために、排水管１２側から水を逆流させて、
リーフ２の外周面に付着した珪藻土を除去する逆
洗水方式を採用している。 That is, conventionally, in order to remove diatomaceous earth adhering to the reef 2, water is made to flow backward from the drain pipe 12 side.
A backwash water method is used to remove diatomaceous earth adhering to the outer surface of Reef 2.
しかしこの時発生する逆洗水には、リーフ２に
付着した非常に濃度の濃い濾過汚物が含まれてい
る。 However, the backwash water generated at this time contains extremely concentrated filtered dirt adhering to the leaves 2.
そのため、従来の方法では、この逆洗水を再び
沈澱層などに移して浄化作業を行い、さらに濾過
作業を行わなければならなかつた。 Therefore, in the conventional method, this backwash water had to be transferred to a sedimentation layer again for purification and then to be filtered.
従つて、非常に作業能率が低下するとともに、
濾過コストが高くなるという問題が生じる。 Therefore, work efficiency is greatly reduced, and
A problem arises in that the filtration cost increases.
そこで、この問題の解決策として、取水管１１
側から圧縮空気を送り込み、タンク１内の濾過原
水を完全に濾過して排出した後に、リーフ２をタ
ンク１内から取り出し、外部で洗浄作業を行う方
法が望ましく、その実現が試みられてきた。 Therefore, as a solution to this problem, the water intake pipe 11
It is desirable to introduce compressed air from the side to completely filter and discharge the filtered raw water in the tank 1, and then take out the leaf 2 from the tank 1 and perform cleaning outside, and attempts have been made to realize this method.
しかし、従来の装置の場合は、タンク１内に圧
縮空気を送り込んでも、第４図に示すように、タ
ンク１内の水位が降下してリーフ２が露出する
と、矢印で示されるように、圧縮空気はリーフ２
を直接通過し、集水口６からタンク１の外部に逃
げてしまい、タンク１内の水を押し下げることが
できない。 However, in the case of the conventional device, even if compressed air is sent into the tank 1, as shown in Fig. 4, when the water level in the tank 1 falls and the leaf 2 is exposed, the compressed air will be compressed as shown by the arrow. Air is Leaf 2
The water directly passes through and escapes from the water collection port 6 to the outside of the tank 1, making it impossible to push down the water inside the tank 1.
そのため、タンク１内の濾過原水を排出するこ
とができず、リーフ２をタンク１内から取り出し
て、外部で洗浄作業を行うことができない。 Therefore, the filtered raw water in the tank 1 cannot be discharged, and the leaf 2 cannot be taken out from the tank 1 and cleaned outside.
従つて、従来のプリコート型の濾過装置を使用
する場合には、依然として逆洗水方式に頼ること
になり、従来の問題は残存したままである。 Therefore, when using the conventional precoat type filtration device, it still relies on the backwash water method, and the problems of the conventional method still remain.
〈本考案の目的〉
本考案は上記のような問題点を解決するために
なされたもので、逆洗水を出さずに、リーフの洗
浄作業を高能率、低コストで行うことができるプ
リコート型濾過装置を提供することを目的とす
る。<Purpose of the present invention> The present invention was made in order to solve the above-mentioned problems.It is a pre-coated type that can perform leaf cleaning work with high efficiency and low cost without producing backwash water. The purpose is to provide a filtration device.
〈本考案の構成〉
以下、図面を参照しながら本考案の一実施例に
ついて説明する。<Configuration of the present invention> An embodiment of the present invention will be described below with reference to the drawings.
〈イ〉 集水管（第１図）
装置本体のタンク１は、従来と同様に、上方に
開閉可能な蓋体１３を有し、その蓋体１３には取
水管１１を取り付け、タンク１の下部には排水管
１２を取り付ける。<B> Water collection pipe (Fig. 1) The tank 1 of the main body of the device has a lid 13 that can be opened and closed upwards, as in the conventional case, and the water intake pipe 11 is attached to the lid 13, A drain pipe 12 is attached to the drain pipe 12.
このタンク１の内部下方には、水平方向に底板
１４を取り付ける。 A bottom plate 14 is attached horizontally to the lower part of the interior of the tank 1.
そして、この底板１４の中央部を貫通させ、鉛
直上方向に集水管３を立ち上げて、底板１４に溶
接あるいは接着剤などで設置する。 Then, the water collection pipe 3 is passed through the center of the bottom plate 14, raised vertically upward, and installed on the bottom plate 14 by welding or adhesive.
この集水管３は両端部を開放し、その上端部は
タンク１内に設置し、下端部はタンク１の内部の
水が、排水管１２を通してタンク１の外部に排出
できるように構成されている。 Both ends of the water collecting pipe 3 are open, the upper end is installed inside the tank 1, and the lower end is configured so that water inside the tank 1 can be discharged to the outside of the tank 1 through a drain pipe 12. .
〈ロ〉 集水管カバー（第１図）
集水管カバー３１は、底板１４から間隙を設け
て集水管３の周囲に設置した管体であつて、上端
部を集水管３の上端部よりやや上方で閉塞し、下
端部を開放した構造である。<B> Water collection pipe cover (Fig. 1) The water collection pipe cover 31 is a pipe body installed around the water collection pipe 3 with a gap from the bottom plate 14, and its upper end is slightly above the upper end of the water collection pipe 3. It has a structure in which the lower end is closed and the lower end is open.
この集水管カバー３１は、下端部を支持部材３
２で複数箇所固定して設置する。 This water collection pipe cover 31 has a lower end attached to a supporting member 3.
Step 2: Fix and install in multiple locations.
〈ハ〉 リーフ受け（第１図）
リーフ受け４は、集水管カバー３１の下端部の
周囲に、底板１４から集水管カバー３１下端部の
やや上方まで形成した円形の壁体である。<C> Leaf Receptacle (FIG. 1) The leaf receptacle 4 is a circular wall formed around the lower end of the water collection pipe cover 31 from the bottom plate 14 to slightly above the lower end of the water collection pipe cover 31.
このようにして、リーフ受け４の内面と、集水
管カバー３１の内面と、集水管３の外面とによつ
て、折れ曲がつた水路５が形成される。 In this way, the bent water channel 5 is formed by the inner surface of the leaf receiver 4, the inner surface of the water collection pipe cover 31, and the outer surface of the water collection pipe 3.
〈ニ〉 リーフ（第１図）
リーフ２は、従来と同様な円筒形の網体２１と
サランの濾布２２とよりなる濾材であり、集水管
カバー３１の周囲に設置される。<D> Leaf (FIG. 1) The leaf 2 is a filter medium made of a conventional cylindrical mesh body 21 and a saran filter cloth 22, and is installed around the water collection pipe cover 31.
このリーフ２の下端部は、上記のリーフ受け４
上に着脱可能に取り付け、リーフ２の上端部は、
集水管カバー３１の上面に着脱可能に取り付けた
支持部材２３に、同様に着脱可能に取り付ける。 The lower end of this leaf 2 is connected to the leaf receiver 4 mentioned above.
It is removably attached to the top of the leaf 2, and the upper end of the leaf 2 is
Similarly, it is removably attached to the support member 23 that is removably attached to the upper surface of the water collection pipe cover 31.
〈本考案の装置の使用方法〉 本考案の濾過装置は以下のように使用される。<How to use the device of this invention> The filtration device of the present invention is used as follows.
〈イ〉 濾過作業（第２図）
従来と同様に取水管１１から濾過原水をタンク
１内に注入し、リーフ２に濾過汚物を捕獲して、
濾過処理水のみを排水管１２から排出する。<B> Filtration work (Fig. 2) As before, filtered raw water is injected into tank 1 from intake pipe 11, filtered waste is captured in leaf 2,
Only the filtered water is discharged from the drain pipe 12.
このときリーフ２を浸透した濾過処理水は、水
路５を通して排水管１２から排出される。 At this time, the filtered water that has penetrated the leaf 2 is discharged from the drain pipe 12 through the water channel 5.
〈ロ〉 内部水の排出（第２，３図）
取水管１１に圧縮空気の送気ポンプなどを連結
し、圧縮空気をタンク１内に徐々に送り込む。<B> Discharge of internal water (Figures 2 and 3) A compressed air pump or the like is connected to the water intake pipe 11, and compressed air is gradually fed into the tank 1.
圧縮空気はタンク１内に充満し、タンク１内の
水を押し下げる。 The compressed air fills the tank 1 and pushes down the water in the tank 1.
押し下げられた水は、矢印で示すように水路５
内を強制的に上昇させられ、集水管３の上端から
集水管３内に流入してタンク１の外部に排出され
る。 The pushed down water flows into water channel 5 as shown by the arrow.
The water is forced to rise inside the water collection pipe 3, flows into the water collection pipe 3 from the upper end of the water collection pipe 3, and is discharged to the outside of the tank 1.
〈ハ〉 洗浄作業（第３図）
タンク１の内部の水をリーフ受け４の高さまで
排出した後、水路５内の水を排出し、支持部材２
３を取り外す。<C> Cleaning work (Fig. 3) After draining the water inside the tank 1 to the level of the leaf receiver 4, drain the water in the water channel 5, and remove the water from the support member 2.
Remove 3.
このとき、タンク１内の水は排出済であるた
め、リーフ２を乾燥状態に近い状態で取り外しす
ることができる。 At this time, since the water in the tank 1 has been drained, the leaf 2 can be removed in a nearly dry state.
そして、取り外したリーフ２を、外部において
たたく等して、容易にかつ確実に洗浄作業を行う
ことができる。 Then, the removed leaf 2 can be easily and reliably cleaned by hitting it on the outside.
〈本考案の作用〉
本考案の装置は、リーフ受け４の内面と、集水
管カバー３１の内面と、集水管３の外面とによつ
て、鉛直上方に立ち上がつた曲折した水路５を形
成するものである。<Operation of the present invention> The device of the present invention forms a curved waterway 5 rising vertically upward by the inner surface of the leaf receiver 4, the inner surface of the water collection pipe cover 31, and the outer surface of the water collection pipe 3. It is something to do.
この水路５内には常に水が充満されており、そ
の水の水圧が下方に作用している。 This water channel 5 is always filled with water, and the water pressure of the water acts downward.
そのため、従来の装置の場合には、リーフ２を
通過した空気はそのまま外部に抜けてしまうが、
本考案の場合には、リーフ２を通過した空気は集
水管カバー３１の外面と、上述のように、水路５
内の水の下方に作用する水圧とによつて、空気が
外部に抜けるのを防止し、タンク１内に封入する
ことができる。 Therefore, in the case of conventional devices, the air that has passed through the leaf 2 escapes to the outside as it is, but
In the case of the present invention, the air that has passed through the leaf 2 is connected to the outer surface of the water collecting pipe cover 31 and the water channel 5 as described above.
The water pressure acting below the water inside the tank 1 prevents the air from escaping to the outside and seals the air inside the tank 1.
従つて、タンク１内の空気は均等な圧力で水面
を押し下げ、タンク１内の水を排出することがき
る。 Therefore, the air in the tank 1 pushes down the water surface with uniform pressure, and the water in the tank 1 can be discharged.
また、リーフ２はリーフ受け４の上に設置され
ているため、タンク１内の水はリーフ受け４の高
さまで排出できれば、リーフ２を乾燥状態に近い
状態で取り出せることになる。 Further, since the leaf 2 is installed on the leaf receiver 4, if the water in the tank 1 can be drained to the height of the leaf receiver 4, the leaf 2 can be taken out in a nearly dry state.
即ち本考案は、集水管カバー３１の下端部より
リーフ受け４の上端部が上方に位置する。 That is, in the present invention, the upper end of the leaf receiver 4 is located above the lower end of the water collection pipe cover 31.
そのため、リーフ受け４の高さまで水を排出し
ても、集水管カバー３１の下端部は水の中に浸水
しており、水路５内は依然として水が充満された
状態である。 Therefore, even if the water is discharged to the level of the leaf receiver 4, the lower end of the water collection pipe cover 31 is submerged in water, and the inside of the water channel 5 is still filled with water.
従つて、水路５内の水圧でタンク１内の空気が
外部に逃げるのを防止し、タンク１内の水をリー
フ受け４の高さまで排出し、リーフ２を乾燥状態
に近い状態で取り出すことができる。 Therefore, the water pressure in the water channel 5 prevents the air in the tank 1 from escaping to the outside, allowing the water in the tank 1 to be discharged to the level of the leaf receiver 4, and the leaves 2 to be taken out in a nearly dry state. can.
その結果、前述したように、取り外したリーフ
２はほぼ乾燥状態であるため、外部においてたた
く等して、容易にかつ確実に洗浄作業を行うこと
ができる。 As a result, as described above, since the removed leaf 2 is in a substantially dry state, cleaning work can be easily and reliably performed by tapping it on the outside.
〈本考案の効果〉
本考案は以上説明したようになるので、次のよ
うな効果を期待することができる。<Effects of the present invention> Since the present invention has been described above, the following effects can be expected.
〈イ〉 従来は圧縮空気をタンク内に送り込ん
で、リーフに付着した珪藻土を除去することが
できないため、排水管側から水を逆流させて、
リーフの外周面に付着した珪藻土を除去する逆
洗水方式を採用している。<B> Conventionally, it was not possible to remove diatomaceous earth adhering to the reef by sending compressed air into the tank, so water was forced to flow backwards from the drain pipe.
A backwash water method is used to remove diatomaceous earth adhering to the outer surface of the reef.
そのため、この時発生する逆洗水には、リー
フに付着した非常に濃度の濃い濾過汚物が含ま
れているため、従来の方法では、この逆洗水を
再び沈澱層などに移して浄化作業を行い、さら
に濾過作業を行わなければならなかつた。 Therefore, the backwash water generated at this time contains extremely concentrated filtered dirt that has adhered to the reef, so in the conventional method, this backwash water is transferred to a sediment layer again for purification work. and further filtration work had to be done.
従つて、非常に作業能率が低下するととも
に、濾過コストが高くなるという問題が生じ
る。 Therefore, problems arise in that working efficiency is greatly reduced and filtration costs are increased.
それに対して本考案は、リーフ受けの内面
と、集水管カバーの内面と、集水管の外面とに
よつて、鉛直上方に立ち上がつた曲折した水路
を形成する。 In contrast, in the present invention, a curved waterway that rises vertically upward is formed by the inner surface of the leaf receiver, the inner surface of the water collection pipe cover, and the outer surface of the water collection pipe.
そのため、従来の装置の場合には、リーフを
通過した空気はそのまま外部に抜けてしまう
が、本考案の場合には、リーフを通過した空気
は集水管カバーの外面と、この水路内の水の下
方に作用する水圧とによつて、空気が外部に抜
けるのを防止し、タンク内に封入することがで
きる。 Therefore, in the case of conventional devices, the air that has passed through the leaf escapes to the outside as is, but in the case of this invention, the air that has passed through the leaf is exposed to the outer surface of the water collection pipe cover and the water in this waterway. The water pressure acting downward prevents air from escaping to the outside and seals it inside the tank.
従つて、タンク内の空気は均等な圧力で水面
を押し下げ、タンク内の水を排出することがで
きる。 Therefore, the air in the tank can press down the water surface with equal pressure and drain the water in the tank.
そして、タンク内からリーフをほぼ乾燥状態
で取り出して、外部において確実に洗浄作業を
行うことができる。 Then, the leaves can be taken out from the tank in a substantially dry state and the cleaning work can be reliably performed outside.
以上のことから、本考案は逆洗水を出さずに
済むため、リーフの洗浄を高能率、低コストで
行うことができる。 From the above, the present invention eliminates the need to discharge backwash water, making it possible to wash the leaves with high efficiency and at low cost.
〈ロ〉 本考案はタンク内の水をリーフ受けの高
さまで排出できるため、リーフ受けの上に設置
されたリーフを乾燥状態に近い状態で取り出す
ことができる。<B> Since the present invention allows the water in the tank to be discharged to the level of the leaf receiver, the leaves installed above the leaf receiver can be taken out in a nearly dry state.
従つて、取り出した乾燥状態のリーフは、外
部においてたたく等して、容易にかつ確実に洗
浄作業を行うことができる。 Therefore, the removed leaves in a dry state can be easily and reliably cleaned by beating them on the outside.
第１図：濾過作業の状態を示す説明図、第２
図：タンク内の水の排出作業を示す説明図、第３
図：リーフの取り外し作業の説明図、第４図：従
来技術の説明図。
Figure 1: Explanatory diagram showing the state of filtration work, Figure 2
Figure: Explanatory diagram showing the work of draining water in the tank, Part 3
Figure: An explanatory diagram of the leaf removal work. Fig. 4: An explanatory diagram of the prior art.
Claims (1)
内に珪藻土溶解液を注入し、濾材に珪藻土を付着
させて濾層を形成させ、この濾層によつて濾過原
水の濾過汚物を捕獲して濾過するプリコート型濾
過装置において、 タンク内部の下方に水平方向に取り付けた底板
と、 この底板に鉛直上方向に立設し、上端はタンク
内に位置させ、下端をタンク外部と連通する両端
開放形の集水管と、 底板から間隙を設けて集水管の周囲に設置した
管体であつて、上端を集水管の上端よりやや上方
で閉塞し、下端を開放した集水管カバーと、 集水管カバー下端部の周囲に、底板から集水管
カバー下端部のやや上方まで形成した濾材受け
と、 濾材受けの上部に設置した濾材とよりなる、 プリコート型濾過装置。[Scope of Claim for Utility Model Registration] A filter medium is installed inside the tank of the device body, diatomaceous earth solution is injected into the tank, diatomaceous earth is attached to the filter medium to form a filter layer, and the filtered raw water is filtered by this filter layer. A pre-coat type filtration device that captures and filters filtration waste has a bottom plate installed horizontally below the inside of the tank, and a bottom plate that stands vertically above this bottom plate, with the top end located inside the tank and the bottom end inside the tank. A water collection pipe with both ends open that communicates with the outside, and a pipe body installed around the water collection pipe with a gap from the bottom plate, the upper end of which is closed slightly above the top of the water collection pipe, and the lower end of which is open. A pre-coat type filtration device consisting of a cover, a filter media receiver formed around the lower end of the water collection pipe cover from the bottom plate to slightly above the lower end of the water collection pipe cover, and a filter media installed above the filter media receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18954487U JPH038331Y2 (en) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18954487U JPH038331Y2 (en) | 1987-12-15 | 1987-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0195220U JPH0195220U (en) | 1989-06-23 |
| JPH038331Y2 true JPH038331Y2 (en) | 1991-02-28 |
Family
ID=31480569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18954487U Expired JPH038331Y2 (en) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038331Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258208A (en) * | 1997-03-19 | 1998-09-29 | Kurita Water Ind Ltd | Method for recovering performance of precoat filtration device |
| JP2001335906A (en) * | 2000-05-26 | 2001-12-07 | Nippon Steel Hardfacing Co Ltd | Device for removing foreign matter in snout |
-
1987
- 1987-12-15 JP JP18954487U patent/JPH038331Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258208A (en) * | 1997-03-19 | 1998-09-29 | Kurita Water Ind Ltd | Method for recovering performance of precoat filtration device |
| JP2001335906A (en) * | 2000-05-26 | 2001-12-07 | Nippon Steel Hardfacing Co Ltd | Device for removing foreign matter in snout |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0195220U (en) | 1989-06-23 |
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