WO2019049171A1 - Procédé et système de fabrication de tuiles/blocs à partir de matières plastiques de rebut - Google Patents

Procédé et système de fabrication de tuiles/blocs à partir de matières plastiques de rebut Download PDF

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Publication number
WO2019049171A1
WO2019049171A1 PCT/IN2018/050574 IN2018050574W WO2019049171A1 WO 2019049171 A1 WO2019049171 A1 WO 2019049171A1 IN 2018050574 W IN2018050574 W IN 2018050574W WO 2019049171 A1 WO2019049171 A1 WO 2019049171A1
Authority
WO
WIPO (PCT)
Prior art keywords
raw material
tiles
blocks
hot
stock
Prior art date
Application number
PCT/IN2018/050574
Other languages
English (en)
Inventor
R. Vasudevan
Original Assignee
Hindura Infrastructure Pvt. Ltd.
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 Hindura Infrastructure Pvt. Ltd. filed Critical Hindura Infrastructure Pvt. Ltd.
Publication of WO2019049171A1 publication Critical patent/WO2019049171A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/20—Waste materials; Refuse organic from macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/006—Waste materials as binder
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54—Substitutes for natural stone, artistic materials or the like
    • 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
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the present invention relates to a system and process for manufacturing tiles/blocks materials for construction purposes.
  • Cement bricks, fly ash bricks, pavement blocks of cement, mud bricks are available in the market which are normally manufactured by mixing sand, cement, water and other ingredients followed by pouring in different moulds of required shapes and sizes. Blocks manufactured by such processes are costly and easily breakable.
  • Raw materials such as stone, sand, clay, etc are obtained by digging the earth that causes soil erosion. Large quantity of water is needed for manufacturing, construction and utilization of the cement. Further, the kiln process may cause air pollution. Thus, soil, water, air, vegetation and human health are adversely affected by using the conventional processes for manufacturing bricks or tiles.
  • the current state of art includes the bricks or tiles manufactured by using specific waste plastics as additives to stone or asphalt or any solid waste like raw materials. It is required to have specific collection of the individual material or sort the desired material from the generally collected plastic waste. The process of collecting specific plastic or sorting the desired type from collected plastic adds to cost. Furthermore, also such efforts do little to solve the problem of utilization of vast unsorted, unsortable or unclassified bulk mixtures of plastic waste. Accordingly, there is a need of a process for manufacturing tiles or blocks using the waste material that overcomes above mentioned drawbacks.
  • the present invention relates to a system and a process for manufacturing of tiles/blocks from waste plastics.
  • the system includes a first conveyor, a second conveyor line, a mixing unit, a hot stock chute and a moulding station.
  • the first conveyor line is used for conveying and processing of a first raw material.
  • the first conveyor line includes a first feeder for delivering the processed first raw material.
  • the second conveyor line is used for conveying and processing of a second raw material.
  • the second conveyor line includes a second feeder for delivering the processed second raw material.
  • the mixing unit is used for heating the processing of raw materials received from the first feeder and the second feeder thereby forming a hot mix stock.
  • the mixing unit includes a burner for mixing and heating the processed raw materials from about 180 degrees to about 200 degrees.
  • the hot stock chute is used for transferring the hot mix stock received from the mixing unit, the hot stock chute having a vibrating unit attached thereto.
  • the molding station form converting hot mix stock to tiles/ blocks by application of pressure, wherein the pressure ranges from about 40 tones to about 50 tones.
  • the present invention provides a process for manufacturing of tiles/blocks from waste plastics comprises. Initially, the first raw material is processed through a first conveyor line and the second raw material is processed through a second conveyor line. In next step, the first and second raw materials are mixed and heated with each other and other additives and fillers in a mixing unit at a predefined temperature thereby obtaining a hot mix stock.
  • the hot mix stock is transferred to a multi station hydraulic moulding machine through a hot stock chute using the vibrating unit.
  • the hot mix stock is molded in the multi station hydraulic moulding machine under a predefined hydraulic pressure thereby forming blocks/tiles BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 shows a system and process for manufacturing tiles/blocks from stone aggregates and waste plastics in accordance with a preferred embodiment of the present invention.
  • the present invention provides a process and a system for manufacturing tiles/blocks from stone aggregates and waste plastics.
  • FIG. 1 a system for manufacturing tiles/blocks from waste plastic (herein after "the system (100)") in accordance with an embodiment of the present invention is shown.
  • the system (100) includes a plurality of conveyor lines, a mixing unit (138), a hot stock chute (140), a moulding machine (142), mould ejector (148), delivery conveyor (144), a pallet stacker (150) and a packing area (152).
  • the plurality of conveyor lines include a first conveyor line (I) and a second conveyor line (II).
  • the first conveyor line (I) includes a bucket elevator (104) connected to a rotary sieve (106).
  • the rotary sieve (106) includes a first conveyor (108) attached thereto at first end of the first conveyor (108). Second end of the first conveyor (108) connected to a first storage yard (110).
  • the first storage yard (110) includes a bucket elevator (112) that conveys material from the first storage yard (110) to a heating unit (116).
  • the heating unit (116) includes at least one burner (114) positioned therein.
  • the heating unit (116) has a first feeder (118) attached thereto.
  • the first conveyor line (I) is used for conveying and processing of a first raw material i.e. stone aggregates (102).
  • first raw material i.e. stone aggregates (102).
  • second conveyor line (II) any other raw material may be conveyed and processed through the second conveyor line (II) in alternative embodiment of the present invention.
  • the stone aggregates (102) are passed through the bucket elevator (104) to a rotary sieve (106) for sieving.
  • the rotary sieve (106) converts stone aggregates (102) into dust fine particle (DF).
  • the size of the obtained clean stone aggregates ranges from 4 mm to 13.5 mm.
  • the sieved stones are moved through the first conveyor (108) to the storage yard (110).
  • the sieved stones are further conveyed to the rotary heating unit input hopper (116) for heating.
  • the heating unit (116) includes a burner (114) that heats the sieved stones by an open flame thereby converting dust particles into hot clean stone aggregates (102).
  • the hot clean stone aggregates are then transferred to the first feeder (118).
  • the second conveyor line (II) includes a second conveyor (122) that passes sequentially through a rotary washer (124), a rotary dryer (126), a second storage yard (128), a feed shredder (130) and a third storage yard (132).
  • the third storage yard (132) includes a bucket elevator (134) that carries a material from the third storage yard to a second feeder (136).
  • the second conveyor line (II) conveys and processes a second raw material i. e. waste plastic (120).
  • a second raw material i. e. waste plastic (120).
  • any other raw material may be conveyed and processed through the second conveyor line (II) in alternative embodiment of the present invention.
  • the waste plastic (120) includes waste plastic bottles or other plastic goods such as carry bags, cups, thermocoles, multi and mono layered waste plastics, plastic film packaging materials of thickness ranges from 2 mm to 4mm.
  • the waste plastics used in present invention works a binder. PET bottles are used as filler that are added at the mixing stage of two raw materials in the mixing unit (138).
  • the waste plastic (120) is sorted and passed through the second conveyor (122) to the rotary washer (124).
  • the rotary washer is equipped with water flushed in (WI) in the rotary for washing and cleaning of the sorted waste plastics (120) and excess water is flushed out (WO).
  • the cleaned waste plastic is transferred into the rotary dryer (126) through the second conveyor (122) for drying.
  • the washed plastic is dried by air drying technique.
  • the air dried sorted waste plastic is further transferred to the second storage yard (128) and then send to a feed shredder (130) through the second conveyor (122) for shredding of the air dried sorted waste plastic.
  • the feed shredder includes three rotary knives and two stationery knives placed in a predefined configuration.
  • the shredded sorted waste plastic is further send to the third storage yard (132) and further transfer to the second feeder (136) through the bucket elevator (134).
  • the first feeder (118) and the second feeder (136) are connected to the mixing unit (138).
  • the hot clean stone aggregates and the shredded plastic are fed into the mixing unit (138) through the first feeder (118) and the second feeder (136) respectively.
  • a proportion of mixture second raw material is 40% to the weight of the first raw material.
  • the hot stone aggregates and the obtained shredded waste plastics are mixed together along with fillers and other additives in the mixing unit (138) under a predefined temperature to obtain a hot mix stock.
  • the hot mix stock is transferred to the molding machine (142) through a hot stock chute (140).
  • the hot mix stock is subjected to a predefined pressure by using prefixed hydraulic pressure thereby forming mould of blocks/tiles (146) of a predefined size.
  • the mould of blocks/tiles (146) are transferred are ejected to a delivery conveyor (144) for curing and settling of the blocks/tiles.
  • the mould of blocks/tiles (146) are further delivered to the mould ejector (148), stacked on the pallet stacker (150) and are transported to a packing area (152) thereafter.
  • molding of the hot mix stock is carried out in the multi station hydraulic moulding machine (142).
  • the multi station hydraulic machine (142) includes a plurality of moulds of predefined size placed in a rotary table (Not Shown).
  • the hot mix stock is poured from the hot stock chute (140) into the moulds (146) of desired shape and size with a vibrating unit.
  • the hot mix stock is subjected to a predefined hydraulic pressure forming pressed blocks/tiles.
  • the hydraulic pressure used for pressing the hot mix stock into the moulds ranges from 40 to about 80 tones.
  • the pressed blocks/tiles are allowed to get dried and cool and further subjected to forced air cooling for a predefined time.
  • the tiles/ blocks are allowed to cool from about 15 minutes to about 30 minutes. It is understood here that the cooling techniques and time required for cooling and drying may vary in alternative embodiments of the present invention. It is understood here that the blocks/tiles may be dipped into a suitable color, to produce a colored block/or polished smoothly using a granite polishing machine.
  • the present invention provides a process for manufacturing tiles/blocks from waste plastics comprises. Initially, the first raw material is processed through a first conveyor line (I) and the second raw material is processed through a second conveyor line (II). In next step, the first and second raw materials are mixed and heated with each other and other additives and fillers in a mixing unit (138) at a predefined temperature thereby obtaining a hot mix stock. The maximum temperature of the mixing unit is 250 °C. In the next step, the hot mix stock is transferred to a molding machine (142) through a hot stock chute (140) using the vibrating unit (Not Shown).
  • processing of the second raw material includes the steps of: In first step, the waste plastic materials are sorted and passed to the rotary washer (124) through the second conveyor (122). In the next step, the sorted waste plastic raw material is washed in the rotary washer (124). The washed and cleaned sorted waste plastic is transferred to the rotary dryer (126) through the second conveyor (122). In this step, the washed sorted waste plastic is air dried in the rotary dryer (126). In this one embodiment, the plastic is washed by water. However, it is understood here that some cleansing agent may added to the water as per the requirement.
  • the air dried sorted waste plastic is transferred to the feed shredder (130) through the second conveyor (122) to obtain shredded clean and sorted waste plastic of a predefined size.
  • the size of shredded plastic ranges from about 2 mm to about 4 mm.
  • the blocks/tiles as manufactured using the method in accordance with an embodiment of the present invention have high compression strength, flexural strength malleability and ductility.
  • the conveyors belts, mixing units, elevators are driven by geared motors.
  • some other power mechanism may be used in alternative embodiments of the present invention.
  • the predefined quantity of obtained hot clean stone aggregates used is approximately 4 kg and the predefined quantity of shredded clean and sorted waste plastics used is 1.2 kg to 1.6 kg.
  • the quantity depends upon the size of the obtained tile/block. For l x l foot block requires 4 kg of stone aggregate and 1.2 kg to 1.6 kg of shredded waste plastics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un système et un procédé de fabrication de tuiles/de blocs à partir de matières plastiques de rebut. Le système (100) comprend une pluralité de lignes de transport pour la transformation des matières premières. La seconde matière première et la première matière première préchauffée sont mélangées et chauffées l'une avec l'autre et d'autres additifs et charges dans une unité de mélange (138) à une température prédéfinie obtenant ainsi un stock de mélange chaud. Le stock de mélange chaud est transféré vers une machine de moulage (142) à travers une goulotte de stock chaud (140) en utilisant l'unité vibrante. Le stock de mélange chaud est moulé dans la machine de moulage sous une pression hydraulique prédéfinie formant ainsi des blocs/tuiles (146).
PCT/IN2018/050574 2017-09-06 2018-09-05 Procédé et système de fabrication de tuiles/blocs à partir de matières plastiques de rebut WO2019049171A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201721031514 2017-09-06
IN201721031514A IN201721031514A (fr) 2017-09-06 2018-09-05

Publications (1)

Publication Number Publication Date
WO2019049171A1 true WO2019049171A1 (fr) 2019-03-14

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Application Number Title Priority Date Filing Date
PCT/IN2018/050574 WO2019049171A1 (fr) 2017-09-06 2018-09-05 Procédé et système de fabrication de tuiles/blocs à partir de matières plastiques de rebut

Country Status (2)

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IN (1) IN201721031514A (fr)
WO (1) WO2019049171A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111778807A (zh) * 2020-07-24 2020-10-16 道陶乎 一种塑石砖
WO2024013558A1 (fr) * 2022-07-15 2024-01-18 Palu Vareed Francis Kunhi Composite polymère synergique et son procédé de préparation à partir de déchets thermoplastiques comprenant des emballages flexibles multicouches

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061669A1 (fr) * 1999-04-08 2000-10-19 Donald Roy Crawley Transformation de matiere plastique en produit composite
RU2185959C1 (ru) * 2000-11-29 2002-07-27 Хоружий Николай Владимирович Система для изготовления изделий из сыпучих материалов и полимерных отходов
WO2011135388A2 (fr) * 2010-04-27 2011-11-03 Kiss Jozsef Procédé de production de produits pour le bâtiment et produit formé par ledit procédé

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061669A1 (fr) * 1999-04-08 2000-10-19 Donald Roy Crawley Transformation de matiere plastique en produit composite
RU2185959C1 (ru) * 2000-11-29 2002-07-27 Хоружий Николай Владимирович Система для изготовления изделий из сыпучих материалов и полимерных отходов
WO2011135388A2 (fr) * 2010-04-27 2011-11-03 Kiss Jozsef Procédé de production de produits pour le bâtiment et produit formé par ledit procédé

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IN201721031514A (fr) 2019-07-12

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