EP1813356B1 - Séparateur de particules fines - Google Patents

Séparateur de particules fines Download PDF

Info

Publication number
EP1813356B1
EP1813356B1 EP07100954A EP07100954A EP1813356B1 EP 1813356 B1 EP1813356 B1 EP 1813356B1 EP 07100954 A EP07100954 A EP 07100954A EP 07100954 A EP07100954 A EP 07100954A EP 1813356 B1 EP1813356 B1 EP 1813356B1
Authority
EP
European Patent Office
Prior art keywords
separator
fines
spiral
casing
tube
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.)
Not-in-force
Application number
EP07100954A
Other languages
German (de)
English (en)
Other versions
EP1813356A2 (fr
EP1813356A3 (fr
Inventor
Jorma Kivimäki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KIVIMAEKI, JORMA
Original Assignee
Kivimaki Jorma
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kivimaki Jorma filed Critical Kivimaki Jorma
Priority to PL07100954T priority Critical patent/PL1813356T3/pl
Publication of EP1813356A2 publication Critical patent/EP1813356A2/fr
Publication of EP1813356A3 publication Critical patent/EP1813356A3/fr
Application granted granted Critical
Publication of EP1813356B1 publication Critical patent/EP1813356B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/20—Stationary drums with moving interior agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Definitions

  • the present invention relates to a fines separator of a spiral or screw conveyor used for transferring fuel pellets.
  • Fines among pellets cause problems in feeding apparatuses by blocking up a spiral or screw conveyor and making burner ends dirty during pellet burning and increasing particulate emissions along with flue gases into the environment. It is known to cleanse and sort grain by means of a screen mounted in the screw conveyor. These screens are made of two similar perforated parts with semi-circular cross-sections, the edges of which comprise folds in the longitudinal direction for bolt tightening as for instance shown in US-A-5205416 , which discloses the preamble of claim 1.
  • the use of such a screen for separating fines of the pellets causes a problem that the fines of the pellets are accumulated in a slot at the fastening point and thus block up the conveyor.
  • the need for collecting the separated fines and dust as a closed system has not been taken into account in grain cleansing screens. Thus, they are not suitable for separating fines of fuel pellets.
  • EP-A-0 353 126 EP-A-0 917 911 , GB 21774 A.D.1910 and DE 103 35 881 A1
  • the invention is a lines separator in accordance with claim 1.
  • the separator of the invention provides a plurality of considerable advantages.
  • the separator removes fines from pellets. This prevents the blocking of the feeding apparatuses and the burner end from becoming dirty. A pellet without fines contains more air, wherefore the burning is more complete. Due to this, there are also fewer particulate emissions.
  • Each part of the separator is anti-arching screened with earth cables, and thus its use is safe. Since all structures of the separator are dust-proof, it may be mounted in a boiler room without a risk of fire.
  • the separator is small so it is particularly suitable for domestic use and can be mounted easily in narrow places.
  • a fines separator 11 is attached by means of its attaching parts 10 to an outer jacket tube 2 of a spiral conveyor at an advantageously selected point.
  • the separator 11 consists of a perforated tube 1, a separator casing 3, a separator service hole and lid 4, a separator discharge opening 5, a preferably flexible tube 6 connected to the discharge opening 5 and a receiver 7, the receiver 7 and an earth cable 8, by which the separator 11 and the receiver 7 are earthed.
  • a piece of the size of the perforated tube 1 is cut off from the outer jacket tube 2.
  • a spiral 9 of the spiral conveyor extends through the outer jacket tube 2 and the perforated tube 1 of the separator 11.
  • the spiral 9 As the spiral 9 rotates, it feeds the pellets from a storage bin to the burner end of a heating boiler or a heating device of another type.
  • the pellets to be transferred travel upwards and fines flow from the holes of the perforated tube 1 down to the casing 3 and through the discharge opening 5 along the tube 6 into the receiver 7.
  • the inner diameter of the perforated tube 1 equals to that of the outer jacket tube 2 of the spiral tube, in the example case the holes of the perforated tube 1 have a round shape.
  • the casing 3 to be mounted around the perforated tube 1 protects the environment from dust and other fines parts.
  • the attaching parts 10 are fixedly attached to the ends of the casing 3 and the ends of the perforated tube 1.
  • the separator 11 is attached by means of the attaching parts 10 to the outer jacket tube 2 of the spiral conveyor.
  • the inner diameter of the attaching part 10 equals to the outer diameter of the outer jacket tube 2.
  • the separator 11 may be cleaned through the service hole and lid 4 provided in the casing 3.
  • the separator 11 and the receiver 7 are earthed by the earth cable 8 to prevent sparking caused by static electricity and to prevent the accumulation of dust in the separator 11.
  • the holes of the perforated tube 1 may vary in shape and size and the dust-proof casing 3 may be split in the longitudinal direction.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Cyclones (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Refuse Collection And Transfer (AREA)

Claims (4)

  1. Séparateur de particules fines d'un convoyeur à hélice ou à vis, le convoyeur à hélice ou à vis étant approprié pour transférer une matière de pastilles de combustible, et le séparateur de particules fines étant approprié pour séparer les particules fines des pastilles de combustible qui sont transférées par le convoyeur à hélice ou à vis, comprenant une hélice (9) et un tube de gainage extérieur (2), le séparateur de particules fines comprenant un boîtier étanche aux pous-sières (3) et une ouverture de décharge (5) située dans la partie inférieure du boîtier (3), caractérisé en ce que :
    ► le séparateur de particules fines comprend un tube perforé (1) ;
    ► le tube de gainage extérieur (2) comprend une pièce découpée, ladite pièce ayant la taille du tube perforé (1) ;
    ► des parties de fixation (10) sont attachées fixement aux extrémités du boîtier (3) ainsi qu'aux extrémités du tube perforé (1) ; et
    ► le séparateur est attaché au tube de gainage extérieur (2) du convoyeur à hélice ou à vis au moyen des parties de fixation (10).
  2. Séparateur de particules fines selon la revendication 1, dans lequel l'ouverture de décharge (5) et un récepteur (7) sont reliés par un tube (6).
  3. Séparateur de particules fines selon la revendication 1, dans lequel le boîtier (3), le tube perforé (1) et le récepteur (7) sont mis à la terre par un câble de terre (8).
  4. Séparateur de particules fines selon la revendication 1, dans lequel le boîtier étanche aux poussières (3) comporte un orifice de service et un couvercle (4).
EP07100954A 2006-01-25 2007-01-23 Séparateur de particules fines Not-in-force EP1813356B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07100954T PL1813356T3 (pl) 2006-01-25 2007-01-23 Separator miału

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20060039U FI7104U1 (fi) 2006-01-25 2006-01-25 Hienoaineen erotin

Publications (3)

Publication Number Publication Date
EP1813356A2 EP1813356A2 (fr) 2007-08-01
EP1813356A3 EP1813356A3 (fr) 2008-07-23
EP1813356B1 true EP1813356B1 (fr) 2011-05-11

Family

ID=35884006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07100954A Not-in-force EP1813356B1 (fr) 2006-01-25 2007-01-23 Séparateur de particules fines

Country Status (5)

Country Link
EP (1) EP1813356B1 (fr)
AT (1) ATE508809T1 (fr)
DK (1) DK1813356T3 (fr)
FI (1) FI7104U1 (fr)
PL (1) PL1813356T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191021774A (en) * 1910-09-20 1911-05-04 Samuel Brassington Bamford Improvements in and connected with the Machinery for Sifting Flour, Meal, Coal Dust, and other Materials.
FR2619324B1 (fr) 1988-07-25 1991-05-10 Forplex Machine pour le tamisage de produits poudreux, farineux ou granuleux
US5205416A (en) 1991-11-25 1993-04-27 Intraco, Inc. Feed hopper having outlet slots that reduce material shearing and are positioned to strengthen the auger housing
DE4304217A1 (de) * 1993-02-12 1994-08-18 Eirich Maschf Gustav Verfahren und Vorrichtung zum kontinuierlichen Eintrag von Wärme in elektrisch leitfähige Schüttgüter
DE19751419A1 (de) 1997-11-20 1999-05-27 Azo Gmbh & Co Siebmaschine
DE10335881A1 (de) 2003-08-06 2005-03-03 Huning Maschinenbau Gmbh Fördervorrichtung mit Verstellsieb

Also Published As

Publication number Publication date
FIU20060039U0 (fi) 2006-01-25
DK1813356T3 (da) 2011-07-25
EP1813356A2 (fr) 2007-08-01
PL1813356T3 (pl) 2011-11-30
EP1813356A3 (fr) 2008-07-23
ATE508809T1 (de) 2011-05-15
FI7104U1 (fi) 2006-06-08

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