JPH0338265A - Method and device for after-treating dense material within dense material discharge range for decanter type screw centrifuge - Google Patents
Method and device for after-treating dense material within dense material discharge range for decanter type screw centrifugeInfo
- Publication number
- JPH0338265A JPH0338265A JP17036090A JP17036090A JPH0338265A JP H0338265 A JPH0338265 A JP H0338265A JP 17036090 A JP17036090 A JP 17036090A JP 17036090 A JP17036090 A JP 17036090A JP H0338265 A JPH0338265 A JP H0338265A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- centrifuge
- concentrated
- decanter
- substances
- 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
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims description 37
- 238000011282 treatment Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/12—Other accessories for centrifuges for drying or washing the separated solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、濃厚物質を後処理するための方法、特にデカ
ンタ型スクリュー遠心分離機の遠心ドラムからの濃厚物
質の排出を容易にするための方法およびこの方法を実施
するための装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to a method for after-treatment of concentrated substances, in particular for facilitating the discharge of concentrated substances from the centrifugal drum of a decanter-type screw centrifuge. The present invention relates to a method and an apparatus for carrying out the method.
従来、デカンタ型スクリュー遠心分離機内で液体相から
分離された濃厚物質、特に溶剤を含む臭いの強い有害物
質が混入された濃厚物質は、遠心分離機とは別の機器内
で、適当な後処理を行った。Conventionally, concentrated substances separated from the liquid phase in a decanter-type screw centrifuge, especially concentrated substances mixed with strong-smelling toxic substances containing solvents, are subjected to appropriate post-treatment in equipment separate from the centrifuge. I did it.
それによって、その後で問題なく貯蔵でき、再加工可能
である。更に、デカンタ型スクリュー遠心分離機からの
濃厚物質の排出は往々にして困難であり、特に遠心ドラ
ム内で分離された濃厚物質が比較的に小さな粘性を有す
るときに困難である。Thereby, it can be stored and reprocessed without problems afterwards. Furthermore, the discharge of concentrated materials from decanter-type screw centrifuges is often difficult, especially when the concentrated materials separated in the centrifugal drum have a relatively low viscosity.
粘性の小さなこの濃厚物質は遠心ドラムの円錐状壁部分
内で搬送スクリューらせん体によって捕らえて外側へ排
出することができず、スクリューらせん体と円錐状ドラ
ム壁の内壁との間で分離室に逆流し、この分離室で既に
分離された相を新たに混合することになる。This concentrated substance with low viscosity is captured by the conveying screw helix in the conical wall section of the centrifugal drum and cannot be discharged to the outside, but flows back into the separation chamber between the screw helix and the inner wall of the conical drum wall. However, in this separation chamber, the already separated phases are newly mixed.
本発明の課題は、デカンタ型スクリュー遠心分離機内で
液体から分離された濃厚物質に、出口範囲で、その都度
必要な後処理を行い、かつ／あるいは遠心分離機からの
濃厚物質の排出を大幅に容易にすることである。The object of the invention is to provide the concentrated substances separated from the liquid in a decanter screw centrifuge with the respective necessary aftertreatment in the outlet region and/or to significantly reduce the discharge of the concentrated substances from the centrifuge. It's about making it easier.
この課題は、流動化媒体が一必要ならば圧力下で一遠心
分離機の排出範囲の濃厚物質に供給されることによって
解決される。This problem is solved in that a fluidizing medium is fed to the concentrated material in the discharge range of one centrifuge, if necessary under pressure.
流動化媒体を濃厚物質に導入することによって、濃厚物
質が強くほぐされる。従って、搬送しにくい濃厚物質が
搬送スクリューのスクリューらせん体によって確実に捕
らえられ、円錐状分離ドラム部分を経て容易に外部に搬
送可能である。従って、例えば重くて粗い粒子に混合し
た希釈液状のスラッジのような組成が不均質の物質を、
遠心分離機から確実に排出することができる。更に、本
発明による手段によって、同時に、中性化、抽出、陸奥
等のような濃厚物質の後処理を行うと、非常に有利であ
る。これにより、公知の方法と比較して、デカンタ型ス
クリュー遠心分離機からの搬送しにくい濃厚物質の排出
が可能となるかまたは非常に容易になるだけでなく、溶
剤やその他の有害物質を混入した濃厚スラッジの後処理
のために、付加的な機器を必要としない。By introducing a fluidizing medium into the concentrated material, the concentrated material is strongly loosened. Dense substances that are difficult to transport are thus reliably captured by the screw helix of the transport screw and can easily be transported to the outside via the conical separation drum section. Therefore, materials with heterogeneous composition, such as dilute liquid sludge mixed with heavy, coarse particles,
It can be reliably discharged from the centrifuge. Furthermore, it is very advantageous if, by means of the invention, at the same time post-treatments of the concentrated substances, such as neutralization, extraction, mutagenesis, etc., are carried out. Compared to known methods, this not only allows or greatly facilitates the discharge of difficult-to-transport concentrated substances from decanter-type screw centrifuges, but also eliminates the possibility of contaminating solvents and other hazardous substances. No additional equipment is required for after-treatment of the thick sludge.
流動化媒体としては、必要に応じて、空気、水蒸気等の
ガス状媒体のほかに、液状媒体をＩＷ−物質に吹き込む
ことができる。As the fluidizing medium, in addition to gaseous media such as air and water vapor, liquid media can be blown into the IW-substance, if necessary.
本発明の他の詳細、特徴および効果は、図に縦断面を略
示した、本発明の方法を実施するためのデカンタ型スク
リュー遠心分離機の以下の説明から明らかになる。Other details, features and advantages of the invention will emerge from the following description of a decanter-type screw centrifuge for carrying out the method of the invention, which is shown schematically in longitudinal section in the figure.
図に示すように、デカンタ型スクリュー遠心分離機は、
筒形のドラム壁１と、濃厚物質出口の方へ円錐状に先細
になっている壁部分２を備えている。このドラム壁と壁
部分内には、搬送スクリュー３が同軸に設けられている
。搬送スクリュー３のスクリュー本体４は円錐部分５が
周壁状に形成され、その外面にスクリューらせん体（ね
じ山）６を備えている。このスクリューらせん体の相互
の間隔（ピッチ）は、搬送スクリューの円筒状部分のス
クリューらせん体７の相互の間隔よりも短くなっている
。これにより、遠心分離機運社中、搬送スクリューの円
錐部分５内のスクリューらせん体の間の空間に、濃厚物
質または固体が充填されるので、遠心分離機からの流動
性媒体の協働作用により濃厚物質または固体の排出が非
常に容易であり、かつ強められる。これを達成するため
に更に、搬送スクリューの円錐部分５が外側へ向かって
拡がるように形成され、それによって搬送スクリューの
円錐状壁部分と遠心分離機の円錐状ドラム壁部分２の間
の間隔が、円筒状搬送スクリュ一部分とドラム壁部分に
比較して狭くなっている。As shown in the figure, the decanter type screw centrifuge is
It has a cylindrical drum wall 1 and a wall section 2 tapering conically towards the concentrate outlet. A conveying screw 3 is arranged coaxially within the drum wall and the wall section. The screw body 4 of the conveying screw 3 has a conical portion 5 formed in the shape of a peripheral wall, and is provided with a screw helix (thread) 6 on its outer surface. The mutual spacing (pitch) of these screw helices is shorter than the mutual spacing of the screw helices 7 of the cylindrical part of the conveying screw. This causes the space between the screw helices in the conical section 5 of the conveying screw to be filled with concentrated substances or solids during the centrifugal separator, so that by the cooperative action of the fluid medium from the centrifuge Evacuation of substances or solids is greatly facilitated and intensified. In order to achieve this, the conical section 5 of the conveying screw is furthermore designed to widen outwards, so that the distance between the conical wall section of the conveying screw and the conical drum wall section 2 of the centrifuge is increased. , which is narrower than the cylindrical conveying screw part and the drum wall part.
スクリュー本体４の円錐状部分５内には、開口８が設け
られている。この開口は、外側へ案内された流動性媒体
用供給管９，１０に接続されている。この場合、流動性
媒体の供給管９はスクリュー本体の円錐部分内に統合さ
れている。一方、供給管１０は遠心分離機ドラム内に達
している短い管１１の中央を通って案内されている。短
管は分離すべき固体−液体混合物（矢印１２参照）を遠
心分離機に供給するために役立つ。供給管１ｏがスクリ
ュー本体４に固定連結され、遠心分離機の運転中搬送ス
クリューによって回転させられるので、供給管は短管１
１の端壁１３に回転可能に軸承され、外側が密封閉鎖さ
れている。An opening 8 is provided in the conical portion 5 of the screw body 4 . This opening is connected to a supply pipe 9, 10 for the fluid medium led to the outside. In this case, the flowable medium supply pipe 9 is integrated into the conical part of the screw body. On the other hand, the feed pipe 10 is guided through the middle of a short pipe 11 which reaches into the centrifuge drum. The short tube serves to feed the solid-liquid mixture to be separated (see arrow 12) to the centrifuge. Since the supply pipe 1o is fixedly connected to the screw body 4 and rotated by the conveying screw during operation of the centrifuge, the supply pipe is connected to the short pipe 1.
It is rotatably supported on the end wall 13 of 1 and is hermetically closed on the outside.
デカンタ型スクリュー遠心分離機の運転中、固体−液体
混合物は矢印１２の方向から短管１１にに供給され、遠
心分離ドラムの円筒状部分１内に達する。この中で、液
体が濃厚物質から分離される。この場合、濃厚物質から
分離された液体（矢印１４参照）は、濃厚物質（矢印１
５参照）に対して向流で案内され、遠心分離ドラムの左
側から矢印１６で示すように外部へ排出される。一方、
濃厚物質（矢印１５参照）はスクリューらせん体７によ
って円錐状壁部分２へ向けて右側へ搬送され、スクリュ
ーらせん体６によって捕らえられ、開口１７を通って外
部へ排出される。同時に、スクリュー本体４の円錐状部
分５において、流動化媒体が外部から供給管１０．９と
開口８を経て、スクリューらせん体６の間から濃厚物質
に、場合によっては圧力下で供給される。これによって
、濃厚物質が強くほぐされ、それによって円錐状壁部分
２からの濃厚物質の排出が効果的に補助される。搬送ス
クリューの円錐状部分５のスクリューらせん体が、搬送
スクリューの円筒状部分４のスクリューらせん体７より
もはるかに短い相互間隔を有するので、搬送スクリュー
の円錐状部分５のスクリューらせん体の間の空間には、
濃厚スラッジが完全に充填され、それによって流動性媒
体の助けにより濃厚物質の排出が非常に容易になる。During operation of the decanter screw centrifuge, the solid-liquid mixture is fed into the short tube 11 from the direction of the arrow 12 and reaches the cylindrical part 1 of the centrifugal drum. In this, liquid is separated from concentrated substances. In this case, the liquid separated from the concentrated substance (see arrow 14) is separated from the concentrated substance (arrow 1
5) and is discharged to the outside from the left side of the centrifugal drum as shown by arrow 16. on the other hand,
The concentrated substance (see arrow 15) is conveyed to the right by the screw helix 7 towards the conical wall section 2, is captured by the screw helix 6 and discharged to the outside through the opening 17. At the same time, in the conical part 5 of the screw body 4, fluidizing medium is fed from the outside via the feed pipe 10.9 and the opening 8 between the screw helices 6 to the concentrated substance, if appropriate under pressure. As a result, the dense material is strongly loosened, thereby effectively assisting the discharge of the dense material from the conical wall section 2. Since the screw helices of the conical part 5 of the conveying screw have a much shorter mutual spacing than the screw helices 7 of the cylindrical part 4 of the conveying screw, the distance between the screw helices of the conical part 5 of the conveying screw is In the space,
The thick sludge is completely filled, which makes the discharge of the thick material very easy with the aid of a fluid medium.
遠心分離ドラムからの濃厚物質の排出を容易にするため
に、好ましくは空気、水素等のようなガス状媒体が使用
され、一方、中性化、抽出、陸奥等のような後処理のた
めには、この範囲において、この後処理に適した液状物
質を濃厚物質に供給可能である。濃厚物質の性質、組成
および粘性に応じて、流動化媒体を好ましくは約０．５
〜５バールの圧力でｆＡ厚動物質吹き込むことができる
。それによって、濃厚物質内の粒子と流動性媒体の充分
な混合が達成される。その際、場合によっては、円錐状
部分においてスクリューらせん体の間に設けた開口８か
ら流動性媒体を濃厚物質に供給するだけでなく、スクリ
ューらせん体内に設けた開口１８から付加的な流動性媒
体を濃厚物質に吹き込むことができる。それによって、
濃厚物質の排出が容易になり、かつ／あるいは排出範囲
において濃厚物質に特別な後処理、特に化学的な後処理
を行うことができる。To facilitate the discharge of concentrated substances from the centrifuge drum, preferably gaseous media such as air, hydrogen etc. are used, while for post-treatments such as neutralization, extraction, Mutsu etc. In this range, it is possible to supply the concentrated material with a liquid material suitable for this post-treatment. Depending on the nature, composition and viscosity of the concentrated material, the fluidizing medium is preferably about 0.5
fA thick material can be injected at a pressure of ~5 bar. Thereby, a thorough mixing of the particles within the concentrated substance and the fluid medium is achieved. In this case, if necessary, not only a fluid medium is supplied to the concentrated substance through the opening 8 provided between the screw helices in the conical part, but also an additional fluid medium is supplied through the opening 18 provided in the screw helix. can be injected into concentrated substances. Thereby,
The discharge of the concentrated substances is facilitated and/or the concentrated substances can be subjected to special after-treatment, in particular chemical after-treatment, in the discharge area.
本発明の対象物は実施例に示したデカンタ型スクリュー
遠心分離機に限定されるものではない。The object of the present invention is not limited to the decanter type screw centrifuge shown in the examples.
例えば、濃厚物質を後処理するための方法、特に４゜
濃厚物質の排出を容易にするための方法は、異なるよう
に形成された任意のデカンタ型スクリュー遠心分離機に
も同様に有利に適用可能である。例えば、液体と固体の
分離が並行流で行われるデカンタ型スクリュー遠心分離
機に適用可能である。For example, the method for after-treatment of concentrated substances, in particular the method for facilitating the discharge of 4° concentrated substances, can equally advantageously be applied to any differently configured decanter-type screw centrifuge. It is. For example, it is applicable to a decanter-type screw centrifuge in which separation of liquid and solid is performed in parallel flow.
更に、濃厚物質への適当な流動性媒体の供給により、他
の任意の化学的または物理的反応プロセスを行うことが
できる。この場合、適切な手段により、濃厚スラッジへ
の流動性媒体の供給だけでなく、反応プロセス時に発生
するかもしれない揮発性の物質と共に流動性媒体の排出
も行うことができる。この場合、適当に形成された排出
管または篩状の開口が円錐状ドラム壁２に配置される。Furthermore, by supplying the concentrated material with a suitable fluid medium, any other chemical or physical reaction processes can be carried out. In this case, by suitable means it is possible not only to supply the fluid medium to the thick sludge, but also to discharge it together with volatile substances that may be generated during the reaction process. In this case, a suitably shaped outlet pipe or sieve-like opening is arranged in the conical drum wall 2.
流動化媒体としては、組成や作用が異なるガス状および
または液状物質を有利に使用可能である。Gaseous and/or liquid substances of different composition and action can advantageously be used as fluidizing media.
図は、本発明の方法を実施するためのデカンタ型スクリ
ュー遠心分離機の縦断面を概略的に示す。
１・・・円筒状ドラム壁、 ２・・・円錐状部分、
３・・・搬送スクリュー ４・・・スクリュー本体、
５・・・スクリュー本体の円錐状部分、 ６・・・ス
クリューらせん体、 ８．１８・・・開口、 ９，１０
・・・供給管、 １７・・・濃厚物質出口The figure schematically shows a longitudinal section of a decanter-type screw centrifuge for carrying out the method of the invention. 1... Cylindrical drum wall, 2... Conical part,
3... Conveyance screw 4... Screw body,
5... Conical part of the screw body, 6... Screw helix, 8.18... Opening, 9,10
... Supply pipe, 17 ... Concentrated substance outlet
Claims (1)
スクリュー遠心分離機の遠心ドラムからの濃厚物質の排
出を容易にするための方法において、流動化媒体が、必
要ならば圧力下で、遠心分離機の排出範囲の濃厚物質に
供給されることを特徴とする方法。 ２、流動化媒体が約０．５〜５バールの圧力で濃厚物質
に吹き込まれることを特徴とする、請求項１記載の方法
。 ３、流動化媒体として、ガス状物質、特に圧縮空気およ
びまたは水蒸気が使用されることを特徴とする、請求項
１または請求項２記載の方法。 ４、流動化媒体として、液状物質が使用されることを特
徴とする、請求項１または請求項２記載の方法。 ５、円筒状ドラム壁が濃厚物質出口の方へ向かって円錐
状に細くなっており、 このドラム壁の中に搬送スクリューが同軸に設けられ、
この搬送スクリューが少なくとも円錐部分に、スクリュ
ーらせん体を外面に有するスクリュー本体を備えている デカンタ型スクリュー遠心分離機において、スクリュー
本体（４）の円錐部分（５）およびまたはスクリューら
せん体（６）に、開口（８、１８）が設けられ、 この開口が外部へ通じる流動性媒体用供給管（９、１０
）に接続されていることを特徴とするデカンタ型スクリ
ュー遠心分離機。 ６、開口（８）が円錐状部分（５）においてスクリュー
らせん体の間に設けられていることを特徴とする、請求
項５記載のデカンタ型スクリュー遠心分離機。 ７、搬送スクリュー（３）の円錐状部分（５）のスクリ
ューらせん体が、搬送スクリュー（３）の円筒状部分（
４）のスクリューらせん体（７）よりも短い相互間隔を
有することを特徴とする、請求項５または請求項６記載
のデカンタ型スクリュー遠心分離機。[Claims] 1. A method for after-treatment of concentrated substances, in particular for facilitating the discharge of concentrated substances from the centrifugal drum of a decanter-type screw centrifuge, in which a fluidizing medium is provided, if necessary. A method characterized in that the concentrated substance is fed under pressure to the discharge range of a centrifuge. 2. Process according to claim 1, characterized in that the fluidizing medium is blown into the concentrated material at a pressure of about 0.5 to 5 bar. 3. Process according to claim 1 or 2, characterized in that gaseous substances, in particular compressed air and/or water vapor, are used as fluidizing medium. 4. Process according to claim 1 or claim 2, characterized in that a liquid substance is used as the fluidizing medium. 5. The cylindrical drum wall tapers conically toward the concentrated substance outlet, and a conveying screw is installed coaxially within this drum wall.
In decanter-type screw centrifuges, this conveying screw comprises, at least in its conical part, a screw body with a screw helix on its outer surface; , openings (8, 18) are provided, which openings lead to the outside, supply pipes (9, 10) for the fluid medium.
) A decanter-type screw centrifuge. 6. Decanter-type screw centrifuge according to claim 5, characterized in that the openings (8) are provided between the screw helices in the conical part (5). 7. The screw helix of the conical portion (5) of the conveying screw (3) is connected to the cylindrical portion of the conveying screw (3) (
7. Decanter-type screw centrifuge according to claim 5 or 6, characterized in that the screw helices (7) of 4) have a shorter mutual spacing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3921328.5 | 1989-06-29 | ||
| DE19893921328 DE3921328A1 (en) | 1989-06-29 | 1989-06-29 | METHOD AND DEVICE FOR TREATING THE DICKER IN THE DISCHARGE EXHAUST AREA OF A FULL-COVERED SCREW CENTRIFUGE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0338265A true JPH0338265A (en) | 1991-02-19 |
Family
ID=6383877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17036090A Pending JPH0338265A (en) | 1989-06-29 | 1990-06-29 | Method and device for after-treating dense material within dense material discharge range for decanter type screw centrifuge |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0405125B1 (en) |
| JP (1) | JPH0338265A (en) |
| DE (2) | DE3921328A1 (en) |
| DK (1) | DK0405125T3 (en) |
| ES (1) | ES2048356T3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848705B2 (en) * | 1992-06-09 | 1999-01-20 | ヤマサ醤油株式会社 | Monoclonal antibody against human lung surfactant apoprotein D and its use |
| KR100943692B1 (en) * | 2002-04-22 | 2010-02-22 | 알파 라발 코펜하겐 아/에스 | A decanter centrifuge |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315074B4 (en) * | 1993-05-06 | 2005-01-05 | Baumann-Schilp, Lucia | Method and device for dewatering sludge |
| DE19901655A1 (en) * | 1999-01-18 | 2000-07-20 | Baker Hughes De Gmbh | Centrifuge for wet mechanical separation of solid mixtures |
| CN110961261A (en) * | 2019-12-29 | 2020-04-07 | 张家港市华祥离心机制造有限公司 | Energy-saving driving device of horizontal centrifuge |
| CN116351586B (en) * | 2023-06-02 | 2023-08-18 | 张家港市中南化工机械有限公司 | Horizontal spiral discharging filtering type centrifugal machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE205960C (en) * | ||||
| DE193997C (en) * | ||||
| DE1754873U (en) * | 1957-08-29 | 1957-10-24 | Krauss Maffei Ag | SCREW CENTRIFUGE WITH A FULLY SLEEVED DRUM AND A GAS-TIGHT CLOSED CENTRIFUGAL HOUSING. |
| US3326457A (en) * | 1964-02-14 | 1967-06-20 | United States Steel Corp | Method and apparatus for steamassisted centrifugal dewatering |
| DE3216393A1 (en) * | 1982-05-03 | 1983-11-03 | Bayer Ag, 5090 Leverkusen | SCREW CENTRIFUGE WITH WASHING DEVICE |
| GB8328894D0 (en) * | 1983-10-28 | 1983-11-30 | Broadbent & Sons Ltd Thomas | Decanting type centrifuges |
| AT387160B (en) * | 1984-08-30 | 1988-12-12 | Voest Alpine Ag | CENTRIFUGE FOR DRAINAGE AND DRYING OF PRE-DRAINAGE SLUDGE |
| US4654022A (en) * | 1986-01-31 | 1987-03-31 | Pennwalt Corporation | Rinsing on a solid bowl centrifuge |
-
1989
- 1989-06-29 DE DE19893921328 patent/DE3921328A1/en not_active Withdrawn
-
1990
- 1990-05-18 DE DE90109481T patent/DE59004283D1/en not_active Expired - Fee Related
- 1990-05-18 EP EP19900109481 patent/EP0405125B1/en not_active Expired - Lifetime
- 1990-05-18 DK DK90109481T patent/DK0405125T3/en active
- 1990-05-18 ES ES90109481T patent/ES2048356T3/en not_active Expired - Lifetime
- 1990-06-29 JP JP17036090A patent/JPH0338265A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848705B2 (en) * | 1992-06-09 | 1999-01-20 | ヤマサ醤油株式会社 | Monoclonal antibody against human lung surfactant apoprotein D and its use |
| KR100943692B1 (en) * | 2002-04-22 | 2010-02-22 | 알파 라발 코펜하겐 아/에스 | A decanter centrifuge |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0405125A2 (en) | 1991-01-02 |
| DK0405125T3 (en) | 1994-02-28 |
| EP0405125A3 (en) | 1991-04-17 |
| EP0405125B1 (en) | 1994-01-19 |
| DE3921328A1 (en) | 1991-01-10 |
| DE59004283D1 (en) | 1994-03-03 |
| ES2048356T3 (en) | 1994-03-16 |
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