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WO2008022362A1 - Dispositif pour le traitement de balayures de rue - Google Patents

Dispositif pour le traitement de balayures de rue Download PDF

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Publication number
WO2008022362A1
WO2008022362A1 PCT/AT2007/000395 AT2007000395W WO2008022362A1 WO 2008022362 A1 WO2008022362 A1 WO 2008022362A1 AT 2007000395 W AT2007000395 W AT 2007000395W WO 2008022362 A1 WO2008022362 A1 WO 2008022362A1
Authority
WO
WIPO (PCT)
Prior art keywords
sand
chamber
screen
section
inlet
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.)
Ceased
Application number
PCT/AT2007/000395
Other languages
German (de)
English (en)
Inventor
Franz Zierler
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.)
Abz Zierler Gesmbh & Co KG
ABZ Zierler Ges mbH and Co KG
Original Assignee
Abz Zierler Gesmbh & Co KG
ABZ Zierler Ges mbH and Co KG
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 Abz Zierler Gesmbh & Co KG, ABZ Zierler Ges mbH and Co KG filed Critical Abz Zierler Gesmbh & Co KG
Publication of WO2008022362A1 publication Critical patent/WO2008022362A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
    • B03B5/56—Drum classifiers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
    • 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
    • B07B1/24—Revolving drums with fixed or moving interior agitators

Definitions

  • the invention relates to a device for processing road swept with a rotatable about a horizontal axis screen drum, on an end face with an inlet for the sweepers, on the opposite end " with a drain for detf GTbbanteil the Straßinlgutes and between the front Inlets and outlets are provided with a subsequent sanding on the screen coat, and with an over the sand trap feedable sand scrubber.
  • sweeteners include not only sand and stones, but also parts of plants and trees and other organic substances
  • the sand and a finer-grained fraction of stones are separated from the remaining sweeping material to biologically digest the organic matter if necessary and the deposited sand for use as, for example To supply building material to a sand washer.
  • the separation of the road sweetener essentially in an organic and a sandy portion can be made in a lying, rinsed with water sieve drum, which is fed from one end face with the sweeping material, so that especially the sandy components pass through the sieve coat in a sand trap , while the organic substances are discharged from the screen drum on the opposite end side again.
  • a disadvantage of these known devices is in particular that only a coarse separation of the sand content of organic or lighter materials is possible and that the mesh of the sieve sheath mainly due to accumulating organic substances, which entails a costly maintenance.
  • the invention is therefore an object of the invention to improve a device of the type described for the processing of road sweetener with simple structural means so that on the one hand improves the selectivity and on the other hand, the risk of misplacement can be largely eliminated.
  • the invention solves the problem posed- by the fact that the screen drum forms two successively arranged in the axial direction sieve sections, of which the inlet side has a coarser mesh size than the drain side sieve section, that the sand trap comprises two chambers belonging to the two sections and that a pumping device is provided which pumps water from the inlet side screen section associated chamber through the screen jacket into the chamber for the drain side screen section.
  • water is pumped from the inlet side of the screen section chamber through this screen section with the coarser mesh size in the chamber for the drain-side screen section with the effect that the water flow, which penetrates the screen shell in opposite directions to the deposited sand content of the introduced into the screen drum sweetener, not only a finer-grained part of the sand to be deposited, but also flooded organic substances from the range of the screen section with the coarser mesh size in the screen area with the finer mesh size, so that essentially only a coarse-grained sand content in the associated chamber through the screen section with the coarser mesh size the sand trap is discharged.
  • the finer-grained sand content is then conveyed with the water flow in the region of the sieve section with the finer mesh size through the sieve shroud into the second chamber of the sand trap provided for this purpose, wherein the organic components of the sand trap and the coarse fraction of stones are discharged through the outlet of the sieve drum.
  • the directed in the region of the inflow side screen section from outside to inside water flow prevents advantageously that organic or lighter materials are discharged through the meshes of this sieve section and that can move the mesh of this sieve section with such substances.
  • the deposited with the coarser sand content organic and lighter substances affect namely the washing of the sand content in the sand scrubber.
  • the pumping means can be provided for recycling the water via the two chambers of the sand trapper between the two chambers. This means that the water is pumped from the downstream side of the screen section chamber in the chamber for the inflow side screen section, wherein the fine-grained sand content from the chamber for the downstream side screen section into the chamber for the inflow-side screen section and from there together with the coarse-grained sand from this chamber is conveyed into the sand scrubber.
  • Another way of recycling the water between the two chambers of the sand trap is to arrange the pumping device between the sand scrubber and the inlet side screen section associated chamber and connect the chamber for the drain side screen section with the sand scrubber through at least one flow channel, so that from the water removed from the scrubber is pumped via the chamber for the inflow-side screen section into the chamber for the outlet-side screen section, and from there flows through the flow curd back to the scrubber.
  • the fine-grained sand content from the drainage-side wire section associated chamber is conveyed through the flow channel directly into the sand scrubber, so that the coarse-grained sand content from the chamber for the inlet-side wire section must be fed separately to the sand scrubber.
  • FIG. 1 shows a device according to the invention for the treatment ofappellid- good in a schematic longitudinal section through the sieve drum
  • Fig. 3 is a representation corresponding to FIG. 1 of a design variant
  • Fig. 4 is a section along the line IV-IV of Fig. 3rd
  • the device according to the embodiment according to FIGS. 1 and 2 has a known sand washer 1, which has a vertical container 2 with a nem stirrer 3, which is driven by means of a geared motor 4.
  • a fresh water supply 5 is provided, is passed through the fresh water through the settling on the bottom of the container 6.
  • the washed sand is discharged by means of a screw conveyor 7 from the container 2, care being taken that the sand bar 6 does not fall below a predetermined minimum height.
  • the sand scrubber 1 is preceded by a horizontal screening drum 8, which is fed from one end face via an inlet 9 with sweeping material.
  • the SiebmanteMO the screening drum 8 is divided into two in axial RichtüTrg successively arranged sieve sections 11, 12, as shown in FIG. 1 can be removed.
  • the inlet-side screen section 11 in this case has a coarser mesh size than the other screen section 12, to which a discharge end 13 connects.
  • a helically extending Mit supportivesteg 14 is provided on the inside of the screen shell 10, so that the not separated over the screen sections 11, 12 residual material axially conveyed out of the screen drum 10 and conveyed through the outlet 13 into a collecting container 15 when the screen drum 8 is rotated by means of the associated drive 16.
  • the sieve drum 8 is associated with a grit 17, which is divided into two chambers 18, 19.
  • the chamber 18 for receiving a coarse-grained sand content is connected to the inflow-side sieve section 11 with the coarser mesh size, while the chamber 19 is associated with the drain-side sieve section 12 and receives the finer-grained sand content of the road sweetener.
  • the chamber 18 is provided with a conveyor screw 20 opening into the scrubber 1.
  • the finer-grained sand content from the chamber 19 passes through a flow channel 21 into the container 2 of the scrubber 1.
  • a pumping device 22 is provided between the sand washer 1 and the chamber 18 of the sand trap 17, with the aid of which water from the sand washer 1 is pumped into the chamber 18 to pass through the screen section 11 with the coarser mesh size to flow into the chamber 19, as indicated by the flow arrow 23.
  • the meshes of the sieve section 11 are kept free of organic matter prior to laying due to their lower specific gravity compared to the sand fraction with the water flow from the sieve section 11 be rinsed out to the mesh section 12 with the finer mesh size.
  • FIGS. 3 and 4 differs from that of FIGS. 1 and 2 essentially only by the circulation of the water, because the water cycle is not closed on the container 2 of the scrubber 1, but on the two chambers 18th , 19 limited.
  • the pumping device 22 is connected on the suction side to the chamber 19 and the pressure side to the chamber 18 of the sand trap 17. The water is thus pumped out of the chamber 19 together with the fine-grained sand fraction into the chamber 18, first from the chamber 18 in the manner described in connection with FIGS. 1 and 2 through the feed-side screen section 11 and then through the screen section 12 again back to flow into the chamber 19 associated with this screen section.
  • the mode of action of the water flow from the chamber 18 into the chamber 19 through the screen jacket 10 to the visual and cleaning behavior does not change.
  • the discharged from the chamber 19 via the pumping device 22 into the chamber 18 fine-grained sand content must be promoted by the resulting in the chamber 18 coarse-grained sand content through the screw conveyor 20 in the sand scrubber 1.
  • the invention is of course not limited to the illustrated embodiments, because it depends in particular on the flow of water between Siebabsehnitten 11, 12 with the coarser ⁇ -and-finer mesh size.
  • the screen drum 10 could not be arranged with a slightly rising, but horizontal axis and provided with an outlet cone in order to obtain comparable discharge conditions with a corresponding course of the water level within the screen drum 10.

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

L'invention concerne un dispositif pour le traitement de balayures de rue, comportant un tambour tamiseur (8) rotatif autour d'un axe horizontal, qui est pourvu, sur une face frontale, d'un élément d'alimentation (9) pour les balayures de rue, sur la face frontale opposée, d'un élément d'évacuation (13) pour la partie grossière des balayures de rue et, entre les éléments d'alimentation et d'évacuation (9, 13) situés sur lesdites faces, d'un dessableur (17) raccordé au bol perforé (10) et comportant un dispositif de lavage de sable (1) apte à être rempli par le dessableur (17). Pour créer des conditions d'exploitation avantageuses, selon l'invention, le tambour tamiseur (8) forme deux sections de tamisage (11, 12) disposées l'une derrière l'autre dans la direction axiale, celle située du côté de l'élément d'alimentation possédant une ouverture de maille plus grande que celle (12) située du côté de l'élément d'évacuation, le dessableur (17) comprend deux chambres (18, 19) associées aux deux sections de tamisage (11, 12) et un dispositif de pompage (22) est destiné à pomper de l'eau dans la chambre (18) associée à la section de tamisage (11) située du côté de l'élément d'alimentation, à travers le bol perforé (10), et à envoyer cette eau dans la chambre (19) associée à la section de tamisage (12) située du côté de l'élément d'évacuation.
PCT/AT2007/000395 2006-08-24 2007-08-17 Dispositif pour le traitement de balayures de rue Ceased WO2008022362A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT14122006A AT503283B1 (de) 2006-08-24 2006-08-24 Vorrichtung zum aufbereiten von strassenkehrgut
ATA1412/2006 2006-08-24

Publications (1)

Publication Number Publication Date
WO2008022362A1 true WO2008022362A1 (fr) 2008-02-28

Family

ID=38474501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2007/000395 Ceased WO2008022362A1 (fr) 2006-08-24 2007-08-17 Dispositif pour le traitement de balayures de rue

Country Status (2)

Country Link
AT (1) AT503283B1 (fr)
WO (1) WO2008022362A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113118011A (zh) * 2021-05-18 2021-07-16 安徽理工大学环境友好材料与职业健康研究院(芜湖) 一种便携式快速底栖动物筛分器
CN115990572A (zh) * 2023-03-24 2023-04-21 青州市黄楼永利矿沙机械制造有限公司 一种钻射虹吸式筛沙装置
CN117000579A (zh) * 2023-10-07 2023-11-07 河南绿筑混凝土有限公司 一种混凝土制备砂石料筛分装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH12021552731A1 (en) * 2020-10-29 2022-11-07 Mercury Clean Up Llc Mercury collecton system
US20220136083A1 (en) * 2020-10-29 2022-05-05 Mercury Clean Up, LLC Mercury collection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1575601A (en) * 1923-11-26 1926-03-02 Goodwin Garst Screening device
CH165423A (de) * 1932-11-26 1933-11-30 Von Roll Ag Sand- und Kieswaschmaschine.
GB414809A (en) * 1933-03-11 1934-08-16 James Peebles Improvements in and connected with machines for washing sand, gravel, and other likematerials
US3392828A (en) * 1964-01-23 1968-07-16 Process Engineering Co Inc Separation of substances

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4006970A1 (de) * 1990-03-06 1991-09-12 Abel Vorrichtung zur reinigung von abwasser
JP2521619B2 (ja) * 1992-08-01 1996-08-07 雅生 谷井 二連水車型トロンメル
DE19823674A1 (de) * 1998-05-20 1999-12-02 Alfred Schymalla Vorrichtung zur Entfernung organischer Bestandteile aus Sand

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1575601A (en) * 1923-11-26 1926-03-02 Goodwin Garst Screening device
CH165423A (de) * 1932-11-26 1933-11-30 Von Roll Ag Sand- und Kieswaschmaschine.
GB414809A (en) * 1933-03-11 1934-08-16 James Peebles Improvements in and connected with machines for washing sand, gravel, and other likematerials
US3392828A (en) * 1964-01-23 1968-07-16 Process Engineering Co Inc Separation of substances

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113118011A (zh) * 2021-05-18 2021-07-16 安徽理工大学环境友好材料与职业健康研究院(芜湖) 一种便携式快速底栖动物筛分器
CN115990572A (zh) * 2023-03-24 2023-04-21 青州市黄楼永利矿沙机械制造有限公司 一种钻射虹吸式筛沙装置
CN115990572B (zh) * 2023-03-24 2023-05-12 青州市黄楼永利矿沙机械制造有限公司 一种钻射虹吸式筛沙装置
CN117000579A (zh) * 2023-10-07 2023-11-07 河南绿筑混凝土有限公司 一种混凝土制备砂石料筛分装置
CN117000579B (zh) * 2023-10-07 2024-02-09 河南绿筑混凝土有限公司 一种混凝土制备砂石料筛分装置

Also Published As

Publication number Publication date
AT503283A4 (de) 2007-09-15
AT503283B1 (de) 2007-09-15

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