AU684807B2 - Method and plant for processing household refuse - Google Patents
Method and plant for processing household refuse Download PDFInfo
- Publication number
- AU684807B2 AU684807B2 AU72300/94A AU7230094A AU684807B2 AU 684807 B2 AU684807 B2 AU 684807B2 AU 72300/94 A AU72300/94 A AU 72300/94A AU 7230094 A AU7230094 A AU 7230094A AU 684807 B2 AU684807 B2 AU 684807B2
- Authority
- AU
- Australia
- Prior art keywords
- waste
- drying
- station
- matter
- washing
- 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
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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
Landscapes
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Refuse Collection And Transfer (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
A method comprising the steps a) receiving (1), storing (2), unpacking (3) and screening (4) while spraying; b) washing (5) and centrifuging (6); c) drying (7), sorting (8) and removing refuse that can be recycled as it is; and d) for some kinds of refuse remaining after steps (a), (b) and (c), grinding (11) and additional drying (12) to give granulates.
Description
HOUSEHOLD WASTE PROCESSING INDUSTRIAL FACILITY AND METHOD The object of this invention is a household waste processing method and industrial facility to implement said process for the purpose of recycling and/or obtaining an aggregate from waste.
Household waste and refuse generally comprises the following types of matter: 25% organic matter: vegetables, fruit, cooking refuse, etc., 50% recyclable matter: paper, cardboard, rags, leather, plastic, etc., inert matter 25%: stone, glass, ferrous and non-ferrous metals, ceramics, etc.
Efforts have been made for a long time to find a way of processing the above waste and refuse.
The waste processing solutions used at the present moment in time are the following: dumping, which involves all the well known pollution hazards, incineration, with or without energy recovery.
Extensive atmospheric pollution is caused in the smoke and fumes are not correctly purified.
This requires heavy investment, high operating energy consumption.
REPLACEMENT SHEET (RULE 26) first case when costs and high TRADUCIION CERTIFI(E C( FORME A L'ORIGIAL C. PERROT, Expert pris la Cour d'Appel de Toulouse Fraice 21 FEV. 1995 NE VARIETUR N. K\ ,lAC Although a theoretical advantage exists in recovering energy in the second case, an infrastructure for immediately distributing this energy is required, eg. for urban heating. This solution is only feasible in cold countries with refuse rich in combustible matter.
A third solution consists in producing compost from household waste.
This technology is now well known and provides interesting results.
However, this technique only uses part of the waste matter in household refuse.
Waste must therefore be handled and sorted under particularly offensive working conditions for both personnel and the environment and are productive of unpleasant effects, particularly smells.
Furthermore, the compost obtained is extremely humid which prevents it from being transported for long distances and, when used in agriculture, is not satisfactory for users due to its' wetness and unpleasant effects.
This invention aims at implementing a waste processing method involving a minimum amount of unpleasantness and harmful effects, smells and dirt for personnel in charge of the processing, and which produces, after sorting the waste, a dry substance, preferably granular which can be easily stored, transported and spread as fertilizer.
The process as per the household waste processing invention is specific in that it comprises the following successive phases: a) reception, storage, removal from bags if required, and dry screening, TrADUCIION CERTIFItE COHFORMi A L'ORIAL C. PERROT. Expert prOs la Cour d'Appel do Toulouso Franc 2 1 FEV. 1995 REPLACEMENT SHEET (RULE 26)/ NE VARIETUR A g L S3 b) washing and spin-drying, c) drying, sorting and removal of readily recyclable waste matter, d) certain types of waste, mainly organic matter after phases a, b and c, are ground and dried to obtain an aggregate, Other advantages and characteristics of the invention will appear in the description provided below of the preferred way of implementing the process. This description is given as an example and is therefore non-restrictive. It is illustrated by the drawing included hereafter: The single drawing shows the layout of a household waste processing facility implementing the process as per the invention.
Tank 1 is equipped with a standard ventilation unit and standard waste wetting system.
Tank 1 can be equipped with a draining system.
The tank comprises a standard screw-type or belt conveyor for the purpose of feeding a hopper 2.
Conveyor throughput is adjusted according to need.
The hopper 2 feeds a bag removal device 3 with preferably a built-in wetting system, which opens bags and feeds the waste to a screw or belt conveyor going to the screening station 4.
The bag removal station is equipped with a toothed shredder which opens bags and roughly shreds the waste matter.
The screening station 4 separates the small waste elements from dust.
This station is also equipped with a wetting system. TmucoN CERnFE Cna ORN E A t'ORGlN C. PERROT, Exaert Rpr6s la Cour d'Appel do Toulouse FranCO 21 FEV. 1Y95 m e I REPLACEMENT SHEET (RULE 26) N VARETU S TOL C/ 1*r I I
I
The screening station feeds a waste washing station Preferentially, washing station 5 consists of a rotary drum on a horizontal or vertical axis in which washing is performed using continuously recycled water with grease recovery and recycling.
Waste is then coveyed (on a belt or screw conveyor) to the spindrying station which expels the washing water and sends it to the processing station.
Spin-drying at station 6 is performed using a continuous-operation rotary centrifugal machine.
Waste travels on a conveyor from station 6 to the drying station 7.
The dryer, equipped with an internal conveyor, removes humidity from the product before sorting using dried air continuously recycled by a fan unit (ref. C. AIR).
The system used is a combination of a standard heat bump and heat exchangers.
The preferred temperature of drying air is 30 to 38°C.
Water is recovered from the drying air.
On leaving the drying station 7, the products are conveyed to a manual sorting area. Waste matter is sorted by type on the conveyor as described in the overview.
Selective conveyor belts in the sorting station are fed with products of the same type or family. Combustible, non-perishable products, plastics, rags, cardboard and possibly other products are grouped and routed to a compacting station 9 where waste is pressed into TlAOUCTIOH CERTIFIE COHFORME A 'ORIGINAL C. PERROT, Expert .pros la Cour d'Appel do Toulouse France REA E 2 1 FEV, 1995 REPLACEMENT SHEET (RULE 26) 1995 %,VT C' .N E VARIETUR cr..
bales for storage in station 10. Bales are then sent to the appropriate finishing stations.
Perishable organic matter, food residues and vegetable matter are conveyed to a grinding station 11.
The grinding station produces an aggregate.
Grinding is performed by any suitable means compatible with the facility.
The aggregate obtained is routed to a drying unit 12 where it is thoroughly dried.
The temperature of this drying unit is in the region of 38 0
C.
The aggregate obtained after drying is bagged for use using standard equipment.
The storage, input bag removal 3, and screening 4 stations are pre-wash wet stations with water recovery systems, which facilitates the action of washing station 5 and spin-drying station 6.
This wet phase of the process is one of the important features of the invention and allows work to be done on the waste matter cleansed of most impurities and harmful effects, particularly smells.
The dry phase of the process comprises: drying 7, sorting 8 and compacting stations 9 for inorganic matter 7, 8, 9, plus the grinding station 11 and drying station 12 for organic matter. This phase provides additional comfort during work and dry end products.
Organic matter is output in the form of a dry aggregate, particularly easy to spread as fertilizer.
TRAUCTION CERTIFIE CONFORME A L'ORIGIAL C. PERROT, Expert prts la Cour d'Appel de Toulouse Franca .2 1 FEV. 1995 NE VARIETUR 9 REPLACEMENT SHEET (RULE 26) cr c e I This implementation of the invention enables organic waste to be used in agriculture without humidity and impurities being introduced into the soil, as is the case with traditional composting methods, since they are previously removed by spraying, washing and drying.
TEADUCTION CERTIFIE CONFORME A L'ORIGINAL C. PERROT, Expert prts la Cour d'Appel de Toulouse France 2 1 FEV. 1995 NE VARIETUR NoN 4(qr__c_ rvp
"T
REPLACEMENT SHEET (RULE 26)
-I-
Claims (1)
1. Household waste processing method specific in that it comprises the following successive phases: a) reception, storage, bag removal and screening under a wetting system, b) washing and spin-drying, c) drying, sorting and removal of readily-recyclable waste, d) for certain types of waste, grinding and additional drying are performed to obtain an aggregate after phases b), and c). TADUaIOI CTI FI[ CO(OFOiRE A L'ORIGIAL C. PERROT, Expert prs la Cour d'Appel de Toulouse Franca 21 FEV. 1995 NE VARIETUR I, io B REPLACEMENT SHEET (RULE 26)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9308294A FR2707076B1 (en) | 1993-07-02 | 1993-07-02 | Household waste treatment process and installation therefor for recycling and / or obtaining an aggregate. |
| FR9308294 | 1993-07-02 | ||
| PCT/FR1994/000822 WO1995001223A1 (en) | 1993-07-02 | 1994-07-04 | Method and plant for processing household refuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7230094A AU7230094A (en) | 1995-01-24 |
| AU684807B2 true AU684807B2 (en) | 1998-01-08 |
Family
ID=9448982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU72300/94A Ceased AU684807B2 (en) | 1993-07-02 | 1994-07-04 | Method and plant for processing household refuse |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0693967B1 (en) |
| JP (1) | JPH08503888A (en) |
| AT (1) | ATE189977T1 (en) |
| AU (1) | AU684807B2 (en) |
| BG (1) | BG99535A (en) |
| BR (1) | BR9405495A (en) |
| CA (1) | CA2143313A1 (en) |
| CZ (1) | CZ81395A3 (en) |
| DE (1) | DE69423210T2 (en) |
| DK (1) | DK0693967T3 (en) |
| ES (1) | ES2149275T3 (en) |
| FI (1) | FI114386B (en) |
| FR (1) | FR2707076B1 (en) |
| GR (1) | GR3035334T3 (en) |
| HU (1) | HUT77996A (en) |
| OA (1) | OA10017A (en) |
| PL (1) | PL175968B1 (en) |
| RU (1) | RU95103770A (en) |
| SG (1) | SG65568A1 (en) |
| SK (1) | SK283758B6 (en) |
| WO (1) | WO1995001223A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070051B (en) * | 2014-06-20 | 2016-01-20 | 临沂清宇环境资源工程设备有限公司 | Domestic garbage resource cleans method for separating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952113A (en) * | 1973-02-22 | 1976-04-20 | Manlio Cerroni | System for recovering and treating stockfeed from urban waste materials |
| DE3037714A1 (en) * | 1977-07-07 | 1982-06-03 | Fa. Matthias Trienekens, 4060 Viersen | Domestic and industrial refuse processing plant - has domestic section with screen-type initial separating, container opening and shredding assembly |
| EP0170301A2 (en) * | 1984-04-09 | 1986-02-05 | Fläkt Aktiebolag | A method and an apparatus for processing domestic refuse |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3732008A1 (en) * | 1987-09-23 | 1989-04-06 | Kupczik Guenter | Cleaning contaminated sludges - by forming aq. suspension and circulating through washers and classifiers |
-
1993
- 1993-07-02 FR FR9308294A patent/FR2707076B1/en not_active Expired - Fee Related
-
1994
- 1994-07-04 JP JP7503329A patent/JPH08503888A/en active Pending
- 1994-07-04 CA CA 2143313 patent/CA2143313A1/en not_active Abandoned
- 1994-07-04 WO PCT/FR1994/000822 patent/WO1995001223A1/en active IP Right Grant
- 1994-07-04 AU AU72300/94A patent/AU684807B2/en not_active Ceased
- 1994-07-04 CZ CZ95813A patent/CZ81395A3/en unknown
- 1994-07-04 RU RU95103770/13A patent/RU95103770A/en unknown
- 1994-07-04 HU HU9500932A patent/HUT77996A/en unknown
- 1994-07-04 PL PL94307788A patent/PL175968B1/en unknown
- 1994-07-04 SG SG1996004762A patent/SG65568A1/en unknown
- 1994-07-04 BR BR9405495-9A patent/BR9405495A/en unknown
- 1994-07-04 DE DE69423210T patent/DE69423210T2/en not_active Expired - Fee Related
- 1994-07-04 SK SK427-95A patent/SK283758B6/en unknown
- 1994-07-04 EP EP94921680A patent/EP0693967B1/en not_active Expired - Lifetime
- 1994-07-04 AT AT94921680T patent/ATE189977T1/en not_active IP Right Cessation
- 1994-07-04 ES ES94921680T patent/ES2149275T3/en not_active Expired - Lifetime
- 1994-07-04 DK DK94921680T patent/DK0693967T3/en active
-
1995
- 1995-02-17 OA OA60613A patent/OA10017A/en unknown
- 1995-03-01 FI FI950959A patent/FI114386B/en active IP Right Grant
- 1995-03-31 BG BG99535A patent/BG99535A/en unknown
-
2000
- 2000-06-02 GR GR20000401287T patent/GR3035334T3/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952113A (en) * | 1973-02-22 | 1976-04-20 | Manlio Cerroni | System for recovering and treating stockfeed from urban waste materials |
| DE3037714A1 (en) * | 1977-07-07 | 1982-06-03 | Fa. Matthias Trienekens, 4060 Viersen | Domestic and industrial refuse processing plant - has domestic section with screen-type initial separating, container opening and shredding assembly |
| EP0170301A2 (en) * | 1984-04-09 | 1986-02-05 | Fläkt Aktiebolag | A method and an apparatus for processing domestic refuse |
Also Published As
| Publication number | Publication date |
|---|---|
| OA10017A (en) | 1996-03-29 |
| FI950959A0 (en) | 1995-03-01 |
| SK283758B6 (en) | 2004-01-08 |
| CZ81395A3 (en) | 1996-10-16 |
| BR9405495A (en) | 1999-09-08 |
| PL175968B1 (en) | 1999-03-31 |
| EP0693967A1 (en) | 1996-01-31 |
| JPH08503888A (en) | 1996-04-30 |
| CA2143313A1 (en) | 1995-01-12 |
| FR2707076A1 (en) | 1995-01-06 |
| WO1995001223A1 (en) | 1995-01-12 |
| EP0693967B1 (en) | 2000-03-01 |
| DE69423210T2 (en) | 2001-08-23 |
| HUT77996A (en) | 1999-04-28 |
| AU7230094A (en) | 1995-01-24 |
| BG99535A (en) | 1996-01-31 |
| DE69423210D1 (en) | 2000-04-06 |
| RU95103770A (en) | 1997-03-20 |
| FI950959A (en) | 1995-04-26 |
| FR2707076B1 (en) | 1995-10-06 |
| SG65568A1 (en) | 1999-06-22 |
| HU9500932D0 (en) | 1995-05-29 |
| DK0693967T3 (en) | 2000-06-26 |
| FI114386B (en) | 2004-10-15 |
| ES2149275T3 (en) | 2000-11-01 |
| PL307788A1 (en) | 1995-06-26 |
| ATE189977T1 (en) | 2000-03-15 |
| SK42795A3 (en) | 1998-01-14 |
| GR3035334T3 (en) | 2001-05-31 |
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