NO143255B - DEVICE FOR SEPARATION OF A FLUID FROM A SUSPENSION - Google Patents
DEVICE FOR SEPARATION OF A FLUID FROM A SUSPENSION Download PDFInfo
- Publication number
- NO143255B NO143255B NO773974A NO773974A NO143255B NO 143255 B NO143255 B NO 143255B NO 773974 A NO773974 A NO 773974A NO 773974 A NO773974 A NO 773974A NO 143255 B NO143255 B NO 143255B
- Authority
- NO
- Norway
- Prior art keywords
- drum
- overflow
- height
- opening
- feed screw
- Prior art date
Links
- 238000000926 separation method Methods 0.000 title description 2
- 239000012530 fluid Substances 0.000 title 1
- 239000000725 suspension Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
- B01D33/722—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
- Centrifugal Separators (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Description
Oppfinnelsen angår en anordning for utskillelse av væske fra en oppslemming, av den type som omfatter en roterbar, langstrakt trommel hvis mantel er forsynt med perforeringer, og som innvendig har et skrueformet bladelement som følger med i trommelens rotasjonsbevegelse og tjener til fremmatning av oppslemmingen gjennom trommelen, og hvis flate strekker seg fra trommelmantelens innside i retning mot dens sentrum. The invention relates to a device for the separation of liquid from a slurry, of the type comprising a rotatable, elongated drum whose mantle is provided with perforations, and which internally has a screw-shaped blade element which accompanies the rotational movement of the drum and serves to advance the slurry through the drum , and whose surface extends from the inside of the drum shell in the direction towards its centre.
Hensikten med oppfinnelsen er å tilveiebringe en avvanningsanordning av ovennevnte type med hvilken det for-hindres at overskuddsvæske følger med den gjennom trommelens utmatningsende utmatede, normalt avvannede masse når mengden av tilført oppslemming overstiger anordningens kapasitet. Dette kan f.eks. skje ved tilstopping av trommelmantelens perforeringer. The purpose of the invention is to provide a dewatering device of the above-mentioned type with which excess liquid is prevented from accompanying the normally dewatered mass discharged through the discharge end of the drum when the amount of added slurry exceeds the device's capacity. This can e.g. happen when the drum casing's perforations are blocked.
Denne hensikt oppnås med gjenstanden ifølge oppfinnelsen, som hovedsakelig er kjennetegnet ved at trommelen er innrettet til å kunne skråstilles slik at dens utmatningsende er beliggende på et høyere nivå enn innmatningsenden, mens et parti av mateskruen har avtagende bladhøyde, regnet i fremmatningsretningen, samtidig som trommelen i sitt bakre parti er forsynt med en sentral overløpsåpning. This purpose is achieved with the object according to the invention, which is mainly characterized by the fact that the drum is arranged to be inclined so that its output end is located at a higher level than the input end, while a part of the feed screw has decreasing blade height, counted in the direction of feed, at the same time that the drum in its rear part is provided with a central overflow opening.
I det følgende skal oppfinnelsen beskrives nærmere ved hjelp av et utførelseseksempel under henvisning til teg-ningene, hvor fig. 1 er et skjematisk lengdesnitt av en avvanningsanordning ifølge oppfinnelsen, og fig. 2 er et skjematisk enderiss av anordningen, sett fra venstre på fig. 1. In what follows, the invention will be described in more detail by means of an embodiment with reference to the drawings, where fig. 1 is a schematic longitudinal section of a dewatering device according to the invention, and fig. 2 is a schematic end view of the device, seen from the left in fig. 1.
Den viste avvanningsanordning omfatter en generelt med 1 betegnet avvanningstrommel som består av en perforert, sylindrisk mantelvegg 2, og som ved sin bakre ende er delvis lukket ved hjelp av en gavlvegg 3. Ved den motsatte ende er der med mantelveggen forbundet en endevegg 4 med form som en avkortet konus, som i sin tur avgrenser en utløpsåpning i konusens smalere parti. Med gavlveggen 3 er det forbundet en, i forhold til fremmatningsretningen bakoverrettet rør-stuss 5 som er koaksial med siltrommelens mantel. Noe eksentrisk, dvs. noe forskjøvet oppover, strekker et inn-løpsrør 6, som i det viste utførelseseksempel er noe avskrå-net ved enden 6a, seg inn i avvanningstrommelen. Ved sitt endeparti er innløpsrøret dessuten forsynt med en siderettet utløpsåpning 6b som er markert med en brutt linje og i det viste eksempel er trekantformet. Fra denne åpning strømmer tilført oppslemming i retningen for den med 7 betegnede pil, dvs. sideveis i retning mot trommelmantelens 2 vegg. Avvanningstrommelen bæres av et antall, fortrinnsvis parvis anord-nede bæreruller 8 resp. 9 som er anordnet ved hver sin ende av trommelen. Fortrinnsvis kan disse også være justerbare i høyderetningen for å muliggjøre innstilling av trommelmantelens helningsvinkel. Inne i trommelen er anordnet en mateanordning 10 for fremmatning av den oppslemming som skal av-vannes-, hvilken mateanordning har form av et skrueblad som strekker seg radialt fra mantelens 2 innside mot trommelens sentrum. Som det fremgår av fig. 1 har skruen 10 avtagende bladhøyde, regnet i utmatningsretningen. I det viste utfø-relseseksempel er bladhøyden i skruens parti a størst, mens bladhøyden i partiet b er noe mindre og høyden i partiet c minst. Skruen avsluttes med et parti d som i den viste ut-førelse har omtrent samme bladhøyde som partiet a. I stedet for at bladhøyden avtar trinnvis, som i det viste utførelses-eksempel, kan den naturligvis også innenfor oppfinnelsens grunntanke, avta kontinuerlig i retning fra innmatningsenden til partiet d. Som det også fremgår av fig. 1, har skrue-partiene b og c også mindre stigning enn de partier som har full bladhøyde, hvilket medfører en bedre fyllingsgrad og en bedre utnyttelse av hele trommelmantelens flate ved dennes skråstillingsvinkel. Normalt trer væske fra oppslemmingen ut gjennom trommelmantelen og strømmer ned i retningen for pilene 11 i et under avvanningstrommelen anordnet oppsamlings-trau 12 og mates ut fra dette via et utløpsrør 13. Innløps-sidens gavlvegg 3 bærer en langs omkretsen forløpende driv-tannkrans 14 som står i inngrep med et drivtannhjul 15 som er forbundet med utgangsakselen for en drivmotor 16. Drivmoto-ren driver avvanningstrommelen i retning mot urviseren, som antydet med pilen 17 på fig. 2. Mot trommelmantelen er det videre presset en i retningen for pilen 18 roterende børste 19 med forholdsvis stiv bust. Eventuelt kan børsten 19 dri-ves av trommelmantelen ved anlegg mot.denne, således at bus-ten trenger inn i trommelmantelens perforeringer og effektivt rengjør disse for forurensninger. Skulle trommelmantelens perforeringer allikevel bli tilstoppet og væskemengden inne i trommelen derved øke, vil overskuddsvæske strømme ut i retningen for pilen 20 på fig. 1 over det overløp som dannes av rørstussen 5, og som ligger på et lavere nivå enn under-kanten av trommelens utløpsåpning ved den motsatte ende. Overskuddsvæsken strømmer ned i en oppsamlingsbeholder 21 og føres derfra videre via en utløpsledning 22. Denne væske kan f.eks. føres tilbake til avvanningsanordningen via innløps-ledningen 6. Ved hjelp av den avtagende bladhøyde for mateskruen skjer det en effektiv avtagning av overskuddsvæske langs praktisk talt hele lengden av fremmatningsskruen. Derved foreligger således ingen risiko for at ikke avvannet materiale blir ført ut av trommelen og via en ledeplate 23 ført til det for oppsamling av avvannet materiale bestemte sted. The dewatering device shown comprises a dewatering drum, generally denoted by 1, which consists of a perforated, cylindrical casing wall 2, and which is partially closed at its rear end by means of a gable wall 3. At the opposite end, there is connected to the casing wall an end wall 4 with the shape like a truncated cone, which in turn defines an outlet opening in the narrower part of the cone. Connected to the end wall 3 is a pipe connection 5, which is directed backwards in relation to the feed direction and is coaxial with the casing of the sieve drum. Somewhat eccentrically, i.e. somewhat displaced upwards, an inlet pipe 6, which in the embodiment shown is somewhat beveled at the end 6a, extends into the dewatering drum. At its end, the inlet pipe is also provided with a side-directed outlet opening 6b which is marked with a broken line and is triangular in the example shown. From this opening, supplied slurry flows in the direction of the arrow marked 7, i.e. laterally in the direction towards the wall of the drum jacket 2. The dewatering drum is carried by a number of, preferably arranged in pairs, carrying rollers 8 or 9 which are arranged at each end of the drum. Preferably, these can also be adjustable in the height direction to enable adjustment of the drum mantle's angle of inclination. Inside the drum is arranged a feeding device 10 for feeding the slurry to be dewatered, which feeding device has the form of a screw blade which extends radially from the inside of the mantle 2 towards the center of the drum. As can be seen from fig. 1, the screw 10 has a decreasing blade height, calculated in the discharge direction. In the embodiment shown, the blade height in part a of the screw is the greatest, while the blade height in part b is somewhat smaller and the height in part c the smallest. The screw ends with a part d which, in the embodiment shown, has approximately the same blade height as part a. Instead of the blade height decreasing step by step, as in the embodiment example shown, it can of course also, within the basic idea of the invention, decrease continuously in the direction from the feed end of the part d. As also appears from fig. 1, the screw parts b and c also have less pitch than the parts that have full blade height, which results in a better degree of filling and a better utilization of the entire surface of the drum casing at its angle of inclination. Normally, liquid from the slurry exits through the drum mantle and flows down in the direction of the arrows 11 into a collection trough 12 arranged below the dewatering drum and is fed out from this via an outlet pipe 13. The inlet side end wall 3 carries a drive gear ring 14 running along the circumference which is engaged with a drive gear 15 which is connected to the output shaft of a drive motor 16. The drive motor drives the dewatering drum in a clockwise direction, as indicated by arrow 17 in fig. 2. A brush 19 with relatively stiff bristles rotating in the direction of the arrow 18 is also pressed against the drum mantle. Optionally, the brush 19 can be driven by the drum shell by contact with it, so that the brush penetrates the drum shell's perforations and effectively cleans them of contamination. Should the drum casing's perforations nevertheless become clogged and the amount of liquid inside the drum thereby increase, excess liquid will flow out in the direction of arrow 20 in fig. 1 above the overflow formed by the pipe spigot 5, which is at a lower level than the lower edge of the drum's outlet opening at the opposite end. The excess liquid flows down into a collection container 21 and is carried on from there via an outlet line 22. This liquid can e.g. is fed back to the dewatering device via the inlet line 6. With the help of the decreasing blade height for the feed screw, there is an effective removal of excess liquid along practically the entire length of the feed screw. There is thus no risk of non-dewatered material being led out of the drum and via a guide plate 23 to the place designated for collecting dewatered material.
Det viste arrangement gir dessuten ved normal drift, dvs. The arrangement shown also provides during normal operation, i.e.
uten at overskuddsvæske føres inn i anordningen, meget god avvanning, og det materiale som forlater anordningen er meget tørt. without excess liquid being introduced into the device, very good dewatering, and the material leaving the device is very dry.
Oppfinnelsen er ikke begrenset til det ovenfor vis- The invention is not limited to the above
te og beskrevne utførelseseksempel. For eksempel kan det også i tilslutning til overløpet være anordnet en føler som tilveiebringer en regulering av den mengde oppslemming som tilføres anordningen. te and described embodiment example. For example, a sensor can also be arranged in connection with the overflow which provides a regulation of the amount of slurry supplied to the device.
Claims (7)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7613012A SE402716B (en) | 1976-11-22 | 1976-11-22 | LIQUID SEPARATOR INCLUDING PERFORATED DRUM SCREW |
Publications (3)
Publication Number | Publication Date |
---|---|
NO773974L NO773974L (en) | 1978-05-23 |
NO143255B true NO143255B (en) | 1980-09-29 |
NO143255C NO143255C (en) | 1981-01-07 |
Family
ID=20329511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO773974A NO143255C (en) | 1976-11-22 | 1977-11-21 | DEVICE FOR SEPARATION OF A FLUID FROM A SUSPENSION |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS6049004B2 (en) |
AT (1) | AT352651B (en) |
BR (1) | BR7707729A (en) |
CA (1) | CA1110979A (en) |
CH (1) | CH620593A5 (en) |
DE (1) | DE2751091C2 (en) |
DK (1) | DK147097C (en) |
FI (1) | FI63525C (en) |
GB (1) | GB1596414A (en) |
NL (1) | NL7712485A (en) |
NO (1) | NO143255C (en) |
SE (1) | SE402716B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE434125B (en) * | 1982-01-18 | 1984-07-09 | Roto Sieve Ab | DEVICE FOR SUPPLYING A SLIDE OR PARTICULAR LIQUID FLUID TO A ROTABLE LIQUID DRUM |
US4507202A (en) * | 1982-01-18 | 1985-03-26 | Dan Nord | Device for the separation of a liquid |
JPS58132514U (en) * | 1982-02-27 | 1983-09-07 | 東急車輌製造株式会社 | “Filtration” device in sludge water treatment vehicle |
JPS59501252A (en) * | 1982-07-12 | 1984-07-19 | ロ−ト−シ−ブ アクチエボラ−ク | Liquid separation device from slurry with water discharge part |
SE434801B (en) * | 1982-07-12 | 1984-08-20 | Roto Sieve Ab | DEVICE FOR SEPARATION OF LIQUID WATER A SLUSH AND INCLUDING A ROTATE DRAWAGE DRUM WITH WIDTH |
JPS59166810U (en) * | 1983-04-19 | 1984-11-08 | 株式会社 西原環境衛生研究所 | filtration device |
JPS61209296A (en) * | 1985-03-14 | 1986-09-17 | Kawasaki Heavy Ind Ltd | Apparatus for separating foreign material in slurry having high viscosity |
US4804439A (en) * | 1988-02-11 | 1989-02-14 | Beloit Corporation | Means and method for removal of strings from waste paper |
DE9209906U1 (en) * | 1992-07-23 | 1993-11-25 | Schmidt, Peter, 22145 Hamburg | Device for separating liquid mixtures |
GB2277044A (en) * | 1993-04-16 | 1994-10-19 | Qed Int Ltd | Removal of metal particles from drilling mud |
DE19832105A1 (en) * | 1998-07-17 | 2000-01-27 | Pill Gertrud | Separator for use in the manufacture of printed circuit boards |
DE10012653A1 (en) * | 2000-03-15 | 2001-10-04 | Georg Schimf | Oil and petrol separator, comprises an additional cleansing unit which continuously cleans oil, petrol and sludge from the main separator unit. |
GB2501122A (en) * | 2012-04-13 | 2013-10-16 | Siemens Vai Metals Tech Gmbh | Slurry dewatering and filtering device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT247368B (en) * | 1963-02-18 | 1966-06-10 | Siegener Ag Eisenkonstruktion | Drainage device |
DE6604382U (en) * | 1965-08-20 | 1970-01-15 | Passavant Werke | THICKENER FOR SOLIDS CONTAINING LIQUIDS |
SE346068B (en) * | 1969-04-24 | 1972-06-26 | Ingenioers Fa Vvs Utrustning A | |
US3865727A (en) * | 1973-03-14 | 1975-02-11 | Fmc Corp | Pumping apparatus with separating mechanism |
-
1976
- 1976-11-22 SE SE7613012A patent/SE402716B/en not_active IP Right Cessation
-
1977
- 1977-11-14 NL NL7712485A patent/NL7712485A/en not_active Application Discontinuation
- 1977-11-16 FI FI773455A patent/FI63525C/en not_active IP Right Cessation
- 1977-11-16 DE DE2751091A patent/DE2751091C2/en not_active Expired
- 1977-11-18 CH CH1422177A patent/CH620593A5/en not_active IP Right Cessation
- 1977-11-18 AT AT826177A patent/AT352651B/en not_active IP Right Cessation
- 1977-11-18 DK DK511477A patent/DK147097C/en active
- 1977-11-21 JP JP52138993A patent/JPS6049004B2/en not_active Expired
- 1977-11-21 BR BR7707729A patent/BR7707729A/en unknown
- 1977-11-21 NO NO773974A patent/NO143255C/en unknown
- 1977-11-21 CA CA291,376A patent/CA1110979A/en not_active Expired
- 1977-11-22 GB GB48655/77A patent/GB1596414A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7613012L (en) | 1978-05-23 |
NO773974L (en) | 1978-05-23 |
JPS5387063A (en) | 1978-08-01 |
FI773455A (en) | 1978-05-23 |
DE2751091A1 (en) | 1978-05-24 |
DK147097C (en) | 1984-09-17 |
BR7707729A (en) | 1978-08-01 |
CA1110979A (en) | 1981-10-20 |
AT352651B (en) | 1979-10-10 |
NL7712485A (en) | 1978-05-24 |
CH620593A5 (en) | 1980-12-15 |
GB1596414A (en) | 1981-08-26 |
DK147097B (en) | 1984-04-09 |
JPS6049004B2 (en) | 1985-10-30 |
DK511477A (en) | 1978-05-23 |
SE402716B (en) | 1978-07-17 |
FI63525B (en) | 1983-03-31 |
DE2751091C2 (en) | 1986-07-03 |
ATA826177A (en) | 1979-03-15 |
FI63525C (en) | 1983-07-11 |
NO143255C (en) | 1981-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO143255B (en) | DEVICE FOR SEPARATION OF A FLUID FROM A SUSPENSION | |
FI72050C (en) | Liquid separation device. | |
US6868973B1 (en) | Drum type refining or washing apparatus | |
US3478679A (en) | Pulp deliquifying press | |
US4465591A (en) | Method and apparatus for treating waste paper | |
US5030348A (en) | Arrangement for an inlet and outlet in a rotating drum sieve | |
US4426289A (en) | Rotary screen liquid-solid separator | |
US2970599A (en) | Grain cleaning device for threshing mechanisms | |
JPS59166396A (en) | Dehydrating and treating device for slurry material | |
US3930801A (en) | Apparatus for liquid extracting of products which are part of solid materials | |
JPS605323B2 (en) | Solid-liquid separator | |
US2105782A (en) | Apparatus for dehydrating oil-containing material having a high water content, particularly whale flesh | |
GB1484496A (en) | Apparatus for continuously separating debris from beets or other roots or tubers | |
US2775168A (en) | Paper machinery | |
US3536077A (en) | Corn shellers | |
US2669353A (en) | Apparatus for the selection of seeds or similar material | |
EP1017471B1 (en) | An apparatus for screening and compacting | |
JPS6147638B2 (en) | ||
NO840916L (en) | DEVICE WITH OVERLOAD, FOR SEPARATION OF LIQUID FROM A SUSPENSION. | |
US2292990A (en) | Centrifugal separator | |
US4428833A (en) | Spent flake drainer-conveyor | |
SE434125B (en) | DEVICE FOR SUPPLYING A SLIDE OR PARTICULAR LIQUID FLUID TO A ROTABLE LIQUID DRUM | |
USRE26844E (en) | Continuously operating centrifugal device | |
CN210079814U (en) | Raw material screening conveying system | |
JP2544706B2 (en) | Continuous press |