EP0801995B1 - Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée - Google Patents

Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée Download PDF

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Publication number
EP0801995B1
EP0801995B1 EP96105762A EP96105762A EP0801995B1 EP 0801995 B1 EP0801995 B1 EP 0801995B1 EP 96105762 A EP96105762 A EP 96105762A EP 96105762 A EP96105762 A EP 96105762A EP 0801995 B1 EP0801995 B1 EP 0801995B1
Authority
EP
European Patent Office
Prior art keywords
drum
plant according
sieve drum
housing
flow nozzle
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 - Lifetime
Application number
EP96105762A
Other languages
German (de)
English (en)
Other versions
EP0801995A1 (fr
Inventor
Felix Cloos
Claus Gronholz
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.)
Umwelt-Technics-Nord GmbH
Umwelt Technics Nord GmbH
Original Assignee
Umwelt-Technics-Nord GmbH
Umwelt Technics Nord GmbH
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 Umwelt-Technics-Nord GmbH, Umwelt Technics Nord GmbH filed Critical Umwelt-Technics-Nord GmbH
Priority to DK96105762T priority Critical patent/DK0801995T3/da
Priority to EP96105762A priority patent/EP0801995B1/fr
Priority to AT96105762T priority patent/ATE180995T1/de
Priority to ES96105762T priority patent/ES2135131T3/es
Priority to DE59602162T priority patent/DE59602162D1/de
Publication of EP0801995A1 publication Critical patent/EP0801995A1/fr
Application granted granted Critical
Publication of EP0801995B1 publication Critical patent/EP0801995B1/fr
Priority to GR990401564T priority patent/GR3030489T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/55—Cleaning with fluid jets
    • 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
    • B07B1/22—Revolving drums
    • 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
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements

Definitions

  • the invention relates to a plant for screening a fraction of small grain sizes from one by means of a Crusher or similar comminuted goods according to the generic term of claim 1.
  • the recycling material should be one desired grain line so that the individual Fractions for desired uses, for example in road construction.
  • a drum screen which is used for the separation from one mixture of different materials with high Moisture level serves.
  • knives, nozzles and brushes are provided, which when rotating the Make sure the holes in the sieve are clean.
  • a drum screen has become known to be provided for metallic powder in the range of 0.1 mm Grain size and smaller.
  • a nozzle plate attached to a supply line for a Fluid is connected.
  • a screening drum for e.g. fibrous compost A compressed air nozzle tube in the upper area of the sieve drum arrange that by a compressor with compressed air is supplied.
  • the nozzle tube serves the sieve drum of fiber parts that are in the sieve drum have fixed.
  • the invention has for its object a system for Sifting a fraction of smaller grain sizes out of one material crushed by means of a crusher or the like to create, in which the throughput can be increased.
  • a compressed gas used the exhaust gas of a diesel engine is used as a compressed gas used the exhaust gas of a diesel engine.
  • Crushing plants usually use a generator that generates the electricity generated for the electric motor that drives the crusher.
  • a diesel engine is used to drive the generator.
  • the Exhaust gas from a diesel engine has a temperature of over 500 ° C and is also under a sufficiently high pressure so that it can be used to supply the flow nozzle. In this way it is possible to use a large part of the energy loss of the diesel engine in a screening plant for this use, increase the throughput and a trouble-free To ensure operation.
  • soot particle filter To prevent contamination of the screenings from soot particles prevent it, it is recommended to install a soot particle filter, into which the unpurified exhaust gas is introduced. It is possible to use a known filter with a degree of particle separation get up to 95%.
  • the flow nozzle adjustable via an adjustment drive is to change the height of the entry area of the flow into the sieve drum.
  • the flow nozzle can after a Another embodiment of the invention as an opening in a Plate be formed with the adjusting device is coupled.
  • the plate extends approximately tangentially to the screening drum and relocated during an adjustment the relative position of the nozzle opening and thus also the position with respect to the drum in which the gas flow into the sieve drum entry.
  • the location of the flow nozzle can be below other dependent on the pressure of the Gas. Therefore, an embodiment of the invention provides that a control device for the adjustment device is provided as well as a pressure sensor in front of the flow nozzle, which measures the pressure of the gas, the adjusting device the flow nozzle is adjusted depending on the pressure.
  • the fluid entered must escape from the screen drum again.
  • the air outlet can be almost extend the entire face, being careful must be that the radially outer area free remains for the discharge of the coarser material.
  • an apron or the like may be provided by the material is pushed aside so that as little as possible Unfiltered gas is released.
  • the air outlet is otherwise provided with a filter, for example a filter mat, which prevents very fine particles spread outward in dust.
  • For suppression water can also be used to form dust be, that by means of spray nozzles on the emerging coarser Material is sprayed.
  • Another outlet can be through at least one in the top Area of the housing provided connection, which is also provided with a filter device.
  • the filtered gas can be connected to the Feed line for the flow nozzle to be connected to the reuse escaping gas.
  • In the return line can be a heater according to an embodiment of the invention be provided which the recirculated gas to the temperature of the gas in the supply line.
  • the wall of the housing for the sieve drum with is provided with thermal insulation.
  • a sieve drum 10 is inclined somewhat to the horizontal Axis in a housing, as indicated at 12 in FIG. 1 is rotatably mounted. In the present case three drives 14 arranged in the upper area.
  • the material inlet is indicated by an arrow 16. He is itself at the higher end of the screening drum 10.
  • the Material outlet for the screenings is marked with the arrow 18.
  • the screenings should be in the grain size range 0 to 4.
  • the unscreened good is made removed from the drum 10 at 20.
  • the sieve drum At the front end is the sieve drum with a circumferential direction to provide extending outlet for this good.
  • a gas outlet 22 for example in the form of lamellas, to which a filter 24, for example in the form of a filter mat is.
  • the function of the gas outlet 22 is shown below still explained.
  • the housing 12 which, moreover, with thermal insulation is provided, has an outlet 26 in the lower region for the screenings, which falls on a take-off belt 28, the individual is not shown.
  • Slightly above the Outlet 26 on the upwardly moving part of the screening drum 10 that rotates clockwise is one Plate 30 arranged a relatively close distance to the drum 10 and in the direction of the double arrow 32 is adjustably mounted in the housing 12.
  • the Plate 30 has a nozzle opening 34.
  • the plate 30 is located at the end of an expanding line 36, with the exhaust of a diesel engine (not shown) connected is.
  • the diesel engine is part of it, for example of a generator that supplies energy for ensures an electric motor that one not shown Drives crusher. It also supplies the electric motor or the motors for driving the screening drum 10.
  • a return line 50 into line 36 is introduced.
  • one Heater 52 provided to the recycle gas bring it back to the temperature of the exhaust gas.
  • the Filter device 48 separated particles pass over a shaft 54 to a screw conveyor 56, which fine screened material is transported to take-off belt 28.
  • the plate 30 is by means of an adjusting cylinder 58 adjustable in the direction of the double arrow 32 depending on the Operating conditions, i.e. Condition of the sieved Good and the pressure on line 36.
  • a pressure transmitter (not shown) can be provided which connected to a control device, also not shown which actuates the adjusting cylinder 58 in dependence from the measured pressure.
  • An adjustment can be made analogously of the circularly bent baffle 42 made become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Disintegrating Or Milling (AREA)
  • Testing Of Engines (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Claims (10)

  1. Installation pour séparer par criblage une fraction de faible granulométrie d'un produit, concassé au moyen d'un concasseur ou similaire, comportant un tambour de criblage entraíné et monté tournant dans un bâti, et disposé de préférence incliné, et comportant également un bâti inférieur de décharge pour la fraction séparée par criblage, caractérisée en ce que, dans la zone inférieure du tambour de criblage (10) en mouvement vers le haut, sur la face externe, est disposée au moins une buse d'écoulement (34), raccordée à une source de gaz sous pression qui dirige un courant de gaz vers l'intérieur du tambour de criblage (10), obliquement vers le haut, vers la zone opposée du tambour, et en ce que, dans l'intérieur du tambour, est disposée une tôle déflectrice (42) qui s'étend dans la zone périphérique, entre la buse d'écoulement (34) et le sommet du tambour de criblage (10).
  2. Installation suivant la revendication 1 ou la revendication 2, caractérisée en ce que, comme source de gaz sous pression, sont prévus les gaz d'échappement d'un moteur diesel d'un groupe électrogène alimentant en énergie le concasseur et le tambour de criblage.
  3. Installation suivant la revendication 1 ou la revendication 2, caractérisée en ce que la buse d'écoulement (34) est réglable, au moyen d'un dispositif de positionnement (58), pour modifier la hauteur de la zone d'entrée du courant de gaz (40) dans le tambour de criblage (10).
  4. Installation suivant la revendication 1 ou la revendication 2, caractérisée en ce que la buse d'écoulement (34) est réalisée sous la forme d'une ouverture dans une plaque (30), qui est couplée au dispositif de positionnement (58).
  5. Installation suivant la revendication 3 ou la revendication 4, caractérisée en ce qu'il est prévu un dispositif de commande pour le dispositif de positionnement (58), en ce qu'un manomètre mesure, avant la buse d'écoulement (34), la pression du gaz et en ce que le dispositif de positionnement (58) positionne la buse d'écoulement (34) en fonction de la pression mesurée.
  6. Installation suivant l'une des revendications 1 à 5, caractérisée en ce que, sur la face frontale avant du tambour de criblage (10), est prévue une sortie d'air (22), avant laquelle est disposé un filtre (24).
  7. Installation suivant l'une des revendications 1 à 6, caractérisée en ce que, dans la zone supérieure du bâti (12), est disposé au moins un raccordement (46) pour le gaz, auquel sont adjoints un dispositif de filtre (48), une installation de dépoussiérage comportant son propre ventilateur ou similaire, pour le produit concassé en même temps, et en ce que le raccordement (46) est relié, par une canalisation de retour (50), à la canalisation d'arrivée (36) pour la buse d'écoulement (34).
  8. Installation suivant la revendication 7, caractérisée en ce que, dans la canalisation de retour (50), est placé un dispositif de chauffage (52).
  9. Installation suivant la revendication 7 ou la revendication 8, caractérisée en ce que le produit séparé dans le dispositif de filtre (48) est envoyé à une installation de transport (56) qui conduit le produit vers la sortie de décharge (26) du bâti (12) du tambour de criblage (10) ou vers une bande d'évacuation (28) du produit criblé, placée sous le bâti (12).
  10. Installation suivant l'une des revendications 1 à 9, caractérisée en ce que la paroi du bâti (12) présente une isolation thermique.
EP96105762A 1996-04-12 1996-04-12 Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée Expired - Lifetime EP0801995B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK96105762T DK0801995T3 (da) 1996-04-12 1996-04-12 Anlæg til ved sigtning at skille en fraktion med lille kornstørrelse fra findelt materiale
EP96105762A EP0801995B1 (fr) 1996-04-12 1996-04-12 Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée
AT96105762T ATE180995T1 (de) 1996-04-12 1996-04-12 Anlage zur absiebung einer fraktion kleiner korngrössen aus einem zerkleinerten gut
ES96105762T ES2135131T3 (es) 1996-04-12 1996-04-12 Dispositivo para el cribado de una fraccion de tamaños pequeños de grano de un producto molido.
DE59602162T DE59602162D1 (de) 1996-04-12 1996-04-12 Anlage zur Absiebung einer Fraktion kleiner Korngrössen aus einem zerkleinerten Gut
GR990401564T GR3030489T3 (en) 1996-04-12 1999-06-10 Plant for separating by screening a fraction of small grain size from crushed material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96105762A EP0801995B1 (fr) 1996-04-12 1996-04-12 Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée

Publications (2)

Publication Number Publication Date
EP0801995A1 EP0801995A1 (fr) 1997-10-22
EP0801995B1 true EP0801995B1 (fr) 1999-06-09

Family

ID=8222663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96105762A Expired - Lifetime EP0801995B1 (fr) 1996-04-12 1996-04-12 Installation pour séparer par tamisage une fraction à granulométrie fine, d'une matière broyée

Country Status (6)

Country Link
EP (1) EP0801995B1 (fr)
AT (1) ATE180995T1 (fr)
DE (1) DE59602162D1 (fr)
DK (1) DK0801995T3 (fr)
ES (1) ES2135131T3 (fr)
GR (1) GR3030489T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347756B (zh) * 2008-04-18 2010-04-21 王庆辉 锤片式滚筒筛粉碎机
CN101947481A (zh) * 2010-10-22 2011-01-19 河南理工大学 井下用选择性破碎机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003293738A1 (en) * 2002-11-28 2004-06-18 Mbengineering Gmbh And Co. Kg Method and device for separating dust particles from a granulate
AT523806B1 (de) * 2020-05-13 2022-09-15 Rubble Master Hmh Gmbh Verfahren zur Klemmkornabreinigung bei Brechern
CN114011530B (zh) * 2021-10-14 2023-05-30 南京澳博工业智能科技研究院有限公司 一种水泥粉磨加工用高效处理设备及其使用方法
CN115121326A (zh) * 2022-08-26 2022-09-30 徐州科恒奥制冷设备有限公司 废旧机电产品拆解的无害化处理装备
CN115283255B (zh) * 2022-09-27 2023-01-31 山东润科化工股份有限公司 一种阻燃母粒筛分装置
CN116371726B (zh) * 2023-06-07 2023-08-11 山西东强生物科技有限公司 一种化工物料精细筛选设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU906627A1 (ru) * 1980-06-16 1982-02-23 Всесоюзный Научно-Исследовательский,Экспериментально-Конструкторский Институт Коммунального Машиностроения Барабанный грохот
SU1158250A1 (ru) * 1983-08-16 1985-05-30 Le Selskokhoz I "пhebmopeшethый ceпapatop"
DE3720490A1 (de) * 1987-06-20 1988-12-29 Kapuschinski Hannes J Siebvorrichtung
DE3905945A1 (de) * 1989-02-25 1990-08-30 Lothar Dipl Ing Schiller Siebmaschine mit einer um eine im wesentlichen horizontale achse rotierenden, zylindrischen siebtrommel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347756B (zh) * 2008-04-18 2010-04-21 王庆辉 锤片式滚筒筛粉碎机
CN101947481A (zh) * 2010-10-22 2011-01-19 河南理工大学 井下用选择性破碎机

Also Published As

Publication number Publication date
DE59602162D1 (de) 1999-07-15
EP0801995A1 (fr) 1997-10-22
DK0801995T3 (da) 1999-12-13
GR3030489T3 (en) 1999-10-29
ATE180995T1 (de) 1999-06-15
ES2135131T3 (es) 1999-10-16

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