JPH0698514B2 - Screw press - Google Patents
Screw pressInfo
- Publication number
- JPH0698514B2 JPH0698514B2 JP2089399A JP8939990A JPH0698514B2 JP H0698514 B2 JPH0698514 B2 JP H0698514B2 JP 2089399 A JP2089399 A JP 2089399A JP 8939990 A JP8939990 A JP 8939990A JP H0698514 B2 JPH0698514 B2 JP H0698514B2
- Authority
- JP
- Japan
- Prior art keywords
- feed shaft
- screen drum
- screw press
- feed
- shaft
- 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 - Fee Related
Links
- 239000002994 raw material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、下水汚泥等の脱水に用いられるスクリュー
プレスに関し、この発明では、スクリーンドラム内に支
架する送り軸に目抜板、メタルメッシュ等を用いて、下
水汚泥等をスクリーンドラムと送り軸と内外から圧搾
過することができるスクリュープレスを提供せんとする
ものである。TECHNICAL FIELD The present invention relates to a screw press used for dehydration of sewage sludge and the like. In the present invention, a feed shaft supported in a screen drum has a perforated plate, a metal mesh, etc. It is intended to provide a screw press capable of squeezing sewage sludge and the like from inside and outside by using a screen drum, a feed shaft, and the inside.
従来、スクリーンドラム内にその周部の送り羽根を設け
た送り軸を設けて、スクリーンドラムの一端に供給した
原料を加圧圧搾しつつ他端に向けて搬送し、固液分離す
ることは公知である。特公昭59-46718号はその一例であ
る。また、他の型式のスクリュープレスとして送り軸を
中空状に形成して周部に多数の通孔を設けて加熱流体等
を送るようにしたものも公知である。特開昭61-289996
号，特公昭63-12719号は、その具体例である。Conventionally, it is known that a feed shaft provided with feed blades around the screen drum is provided in the screen drum, and the raw material supplied to one end of the screen drum is compressed and conveyed toward the other end for solid-liquid separation. Is. Japanese Examined Patent Publication No. 59-46718 is one such example. Further, as another type of screw press, there is also known a screw press in which a feed shaft is formed in a hollow shape and a large number of through holes are provided in a peripheral portion to feed a heating fluid or the like. JP-A-61-289996
No. 6 and Japanese Examined Patent Publication No. 63-12719 are specific examples.
然しながら、上述の従来技術で、特公昭59-46718号で
は、外筒のスクリーンドラムが目詰りすると運転を停止
して、これを再生しなければならず、生産プロセス中で
使用するときのように運転操作に連続性を要求されるも
のの処理には不向きであり、また、特開昭61-289996
号，特公昭63-12719号のように送り軸に通孔を設けたも
のでも外筒が目詰りしたときには運転を中断しなければ
ならず、また、これらのものは内筒（送り軸）が目詰り
したときには、分解しなければ洗滌できない。However, in the above-mentioned conventional technique, in Japanese Examined Patent Publication No. 59-46718, if the screen drum of the outer cylinder is clogged, the operation must be stopped and regenerated. Although it is required to have continuity in driving operation, it is unsuitable for processing.
Even if the feed shaft has a through hole, such as JP-B No. 63-12719 and JP-B No. 63-12719, the operation must be interrupted when the outer cylinder is clogged. When it becomes clogged, it cannot be washed unless it is disassembled.
この発明は、送り軸内に送り軸の目詰りを除去する手段
を設け、然も、これを運転中にも作動させることができ
るようにして、外筒内に供給された原液を内外両面から
加圧して、連続処理を可能にしたものである。According to the present invention, means for removing clogging of the feed shaft is provided in the feed shaft so that the feed liquid can be operated even during operation, so that the stock solution supplied to the outer cylinder can be supplied from both the inner and outer surfaces. It is pressurized to enable continuous processing.
以下、この発明を説明すれば、その要旨とするとこは、
横架したスクリーンドラム内に、その周部に送り羽根を
巻回した送り軸を回転自在に支架し、スクリーンドラム
の一端側に供給した原料をその他端側に向って圧送し、
固液分離するようにしたスクリュープレスにおいて、上
記送り軸を中空とし、その周部にスクリーンを設けると
ともに、上記中空部に加圧流体の導通管を配設したもの
である。Hereinafter, the present invention will be described.
In a horizontally mounted screen drum, a feed shaft around which feed blades are wound is rotatably supported, and the raw material supplied to one end of the screen drum is pressure-fed toward the other end.
In a screw press for solid-liquid separation, the feed shaft is hollow, a screen is provided around the feed shaft, and a conduit for pressurized fluid is arranged in the hollow portion.
この発明においては、送り軸の周部にはスクリーンが設
けてあり、スクリーンドラムに供給された原料を外筒す
なわちスクリーンドラムと内筒すなわち送り軸のスクリ
ーンとの両面で固液分離することができる。そして、こ
れら外筒および内筒が目詰りしたときには、外筒は露出
しているので簡単に洗滌して再生できるは勿論、特に、
内筒（送り軸）が目詰りしたときに、この発明では、送
り軸の中空部に加圧流体の導通管が設けてあるので、こ
れに洗滌水を送ることで送り軸のスクリーンを内面から
洗滌することができる。そして、この洗滌排水は、送り
軸内を流れてその他端から取出すことができる。In the present invention, a screen is provided around the feed shaft, and the raw material supplied to the screen drum can be solid-liquid separated on both sides of the outer cylinder, that is, the screen drum and the inner cylinder, that is, the screen of the feed shaft. . When the outer cylinder and the inner cylinder are clogged, the outer cylinder is exposed so that the outer cylinder can be easily washed and regenerated.
In the present invention, when the inner cylinder (feed shaft) is clogged, the hollow tube of the feed shaft is provided with a conduit for pressurized fluid. Can be washed. Then, this cleaning drainage can flow through the feed shaft and be taken out from the other end.
すなわち、この発明に係る装置は、供給した原料を内外
二面から固液分離して、然も、内外のスクリーン共に運
転しながら再生できるもので、連続性の作業が要求され
る生産プロセス、汚泥処理プラント等に用いて従来に倍
加した能力を発揮することができるものである。That is, the apparatus according to the present invention is capable of performing solid-liquid separation of the supplied raw material from the inside and outside of the surface and regenerating it while operating both the inside and outside screens. It can be used in a processing plant or the like and can exhibit a capacity that is doubled in the past.
以下、図面に基づいて、この発明を具体的に説明する。Hereinafter, the present invention will be specifically described with reference to the drawings.
第１図において、符号１は回転自在に横架したスクリー
ンドラム、２はその内部に支架した目抜き板で構成した
送り軸、３は送り軸２の周部に螺旋状に巻回した送り羽
根、４は送り軸２の軸芯部に設けた高圧流体の導通管で
送り軸２の内部において洗滌水の噴射管4aが分岐してあ
り、機外の高圧の洗滌ポンプ５に連結してある。次に、
符号６は、送り軸２の他端軸芯部に設けた原料の供給路
であり、スクリーンドラム１内に開口6aしてあり、他端
は原料の圧入ポンプ７に連結してある。また、この原料
の供給装置は、第２図に示すように、スクリーンドラム
１の端部にホッパー８を設けてもよい。次に、符号９
は、スクリーンドラム１の出口側に設けた押し金具で送
り軸２に沿って進退できるようにしてスクリーンドラム
１と送り軸２との間の隙間を調節できるようにしてあ
る。9aは、その押圧用のシリンダーである。第１図にお
いて符号10は、スクリーンドラム１の洗滌管、10aはそ
の噴射ノズルであり、第２図に示すものでは設置してい
ない。尚、符号11はスクリーンドラムの支持ローラー、
12は送り軸２の支持台である。In FIG. 1, reference numeral 1 is a screen drum horizontally rotatably laid, 2 is a feed shaft constituted by a perforated plate supported inside thereof, and 3 is a feed blade spirally wound around the periphery of the feed shaft 2. Reference numeral 4 denotes a high-pressure fluid conduit provided in the shaft core of the feed shaft 2, and a washing water injection pipe 4a is branched inside the feed shaft 2, and is connected to a high-pressure wash pump 5 outside the machine. . next,
Reference numeral 6 denotes a raw material supply path provided in the core portion of the other end of the feed shaft 2, and has an opening 6a in the screen drum 1, and the other end is connected to a raw material press-fitting pump 7. In addition, this raw material supply device may be provided with a hopper 8 at the end of the screen drum 1 as shown in FIG. Next, reference numeral 9
Is configured so that it can be moved back and forth along the feed shaft 2 by a push fitting provided on the outlet side of the screen drum 1 so that the clearance between the screen drum 1 and the feed shaft 2 can be adjusted. 9a is a cylinder for pressing. In FIG. 1, reference numeral 10 is a cleaning pipe of the screen drum 1, and 10a is an injection nozzle thereof, which is not installed in the one shown in FIG. Incidentally, reference numeral 11 is a support roller for the screen drum,
Reference numeral 12 is a support for the feed shaft 2.
この発明に係る装置は、上述のように構成してあり、ス
クリーンドラムの一端に供給された原料は、送り羽根３
によってスクリーンドラム１の他端に向って送られつ
つ、スクリーンドラム１と送り軸２と内外筒によって圧
搾されて固液分離され、そのケーキは、スクリーンドラ
ム１の他端から、液はスクリーンドラム１の周面およ
び送り軸２の内周面部で分離され外部に取出される。
尚、送り軸２の内周面部で分離される液は、送り軸２
にケーキによる外圧がかかっていることから、送り軸の
コーン状の内面を流れて、その他端部から外部に取出さ
れるものである。The apparatus according to the present invention is configured as described above, and the raw material supplied to one end of the screen drum is the feed blade 3
Is sent toward the other end of the screen drum 1 by the screen drum 1, the feed shaft 2, and the inner and outer cylinders and separated into solid and liquid. The cake is separated from the other end of the screen drum 1 and the liquid is discharged from the screen drum 1. The outer peripheral surface and the inner peripheral surface of the feed shaft 2 are separated and taken out.
The liquid separated on the inner peripheral surface of the feed shaft 2 is
Since the cake is exposed to external pressure, it flows through the cone-shaped inner surface of the feed shaft and is taken out from the other end.
このような操作をして送り軸２が目詰りしたときには、
導通管４に高圧の洗滌流体を送ることによって、送り軸
２のスクリーンを内面から洗浄することができる。この
とき、送り軸２は回転しているので、その内面を自動的
に且つ均一に洗浄することができる。この洗浄操作は送
り軸２が固液分離運転中でも可能である。また、スクリ
ーンドラム１についても洗滌管10に高圧洗浄流体を送る
ことによって、送り軸２と同様自動的に洗滌することが
できる。尚、このスクリーンドラム１の洗滌について
は、外側からの洗滌であるので、運転中手動ででも可能
であるが、第１図に示すような洗滌装置を設けておくと
一層便利である。When the feed shaft 2 is clogged by such an operation,
The screen of the feed shaft 2 can be washed from the inner surface by sending a high-pressure washing fluid to the conduit 4. At this time, since the feed shaft 2 is rotating, the inner surface of the feed shaft 2 can be automatically and uniformly cleaned. This cleaning operation can be performed even during the solid-liquid separation operation of the feed shaft 2. Further, the screen drum 1 can also be automatically cleaned by sending a high-pressure cleaning fluid to the cleaning pipe 10, like the feed shaft 2. The screen drum 1 can be washed manually from the outside since it is washed from the outside, but it is more convenient to provide the washing device as shown in FIG.
このように、この発明によれば、スクリーンドラムと送
り軸との内外二面で圧搾過が可能であり、従来のこの
種スクリュープレスに比較してその過面積が倍加され
高能力を発揮できるとともに、特に、内外筒共に洗滌再
生が可能で、然も、運転中でも再生が可能であり、この
発明に係る装置は、生産プロセス等に設置して従来に比
を見ない卓効を奏するものである。As described above, according to the present invention, squeezing can be performed on the inner and outer surfaces of the screen drum and the feed shaft, and the excess area can be doubled and high performance can be achieved as compared with the conventional screw press of this type. In particular, both the inner and outer cylinders can be washed and regenerated, and even during operation, they can be regenerated, and the device according to the present invention is installed in a production process or the like, and has an unprecedented effect. .
第１図は、この発明に係るスクリュープレスの模式的縦
断側面図、第２図は同じく他の実施例の概略の模式的縦
断側面図である。 １スクリーンドラム、２送り軸、３送り羽根 ４導通管、５高圧洗滌ポンプ、６供給路 ８ホッパー、10洗滌管FIG. 1 is a schematic vertical sectional side view of a screw press according to the present invention, and FIG. 2 is a schematic schematic vertical sectional side view of another embodiment. 1 screen drum, 2 feed shafts, 3 feed blades 4 conduit pipes, 5 high-pressure washing pumps, 6 supply paths 8 hoppers, 10 washing pipes
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ３０Ｂ 9/14 Ｈ Ｃ０２Ｆ 11/12 Ｄ 7446−4Ｄ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location B30B 9/14 H C02F 11/12 D 7446-4D
Claims (5)
部に送り羽根３を巻回した送り軸２を回転自在に支架
し、スクリーンドラム１の一端側に供給した原料をその
他端側に向って圧送し、固液分離するようにしたスクリ
ュープレスにおいて、上記送り軸２を中空とし、その周
部にスクリーンを設けるとともに、上記中空部に加圧流
体の導通管４を配設したことを特長とするスクリュープ
レス。1. A feed shaft 2 having feed blades 3 wound around a screen drum 1 which is horizontally mounted is rotatably supported, and a raw material supplied to one end of the screen drum 1 is fed to the other end. In a screw press which is pressure-fed toward each other to perform solid-liquid separation, the feed shaft 2 is hollow, a screen is provided around the feed shaft 2, and a conduit 4 for pressurized fluid is provided in the hollow portion. The featured screw press.
が送り軸２の軸芯部に支架されて、送り軸２の中空部内
で開口するとともに、機外へ導出した部位において高圧
洗滌水ポンプ５に連結されているスクリュープレス。2. A conduit tube 4 for pressurized fluid according to claim 1.
Is supported by the shaft core of the feed shaft 2, opens in the hollow portion of the feed shaft 2, and is connected to the high-pressure washing water pump 5 at a portion led out of the machine.
１が回転自在に支架されていて、その回転周辺に洗浄ノ
ズル10が設けられているスクリュープレス。3. The screw press according to claim 1, wherein the screen drum 1 is rotatably supported and a cleaning nozzle 10 is provided around the rotation.
１の一端に原料供給用のホッパー８が連接してあり、そ
のホッパー８の底部に送り軸２が延出してあるスクリュ
ープレス。4. The screw press according to claim 1, wherein a hopper 8 for supplying a raw material is connected to one end of the screen drum 1, and a feed shaft 2 extends from the bottom of the hopper 8.
る送り軸２の軸芯部に原料の供給路６が形成してあり、
この供給路６がスクリーンドラム１の始端部でスクリー
ンドラム１の内部に開口させてあるスクリュープレス。5. A raw material supply passage 6 is formed in the shaft core portion of the feed shaft 2 on the feed start end side according to claim 1,
A screw press in which this supply path 6 is opened inside the screen drum 1 at the starting end of the screen drum 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089399A JPH0698514B2 (en) | 1990-04-04 | 1990-04-04 | Screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089399A JPH0698514B2 (en) | 1990-04-04 | 1990-04-04 | Screw press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03291196A JPH03291196A (en) | 1991-12-20 |
| JPH0698514B2 true JPH0698514B2 (en) | 1994-12-07 |
Family
ID=13969570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2089399A Expired - Fee Related JPH0698514B2 (en) | 1990-04-04 | 1990-04-04 | Screw press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0698514B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102534293B1 (en) * | 2022-10-04 | 2023-05-26 | 이붕용 | Inclusion dehydrator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466298A (en) * | 1990-07-04 | 1992-03-02 | Ishigaki Mech Ind Co | Screw press |
| JPH0454593U (en) * | 1990-09-04 | 1992-05-11 | ||
| JPH04157095A (en) * | 1990-10-15 | 1992-05-29 | Ishigaki Mech Ind Co | Screw press |
| JPH05208300A (en) * | 1992-01-31 | 1993-08-20 | Hitachi Zosen Corp | Screw type dehydrator |
| KR100478087B1 (en) * | 2000-06-09 | 2005-03-24 | 주식회사 포스코 | apparatus for treating resin waste water |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6312719B2 (en) | 2013-03-06 | 2018-04-18 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | System and method for reducing the effect of alarm sound on a patient |
-
1990
- 1990-04-04 JP JP2089399A patent/JPH0698514B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6312719B2 (en) | 2013-03-06 | 2018-04-18 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | System and method for reducing the effect of alarm sound on a patient |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102534293B1 (en) * | 2022-10-04 | 2023-05-26 | 이붕용 | Inclusion dehydrator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03291196A (en) | 1991-12-20 |
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