WO2014037954A1 - Équipement pour le recyclage de boues de peinture - Google Patents

Équipement pour le recyclage de boues de peinture Download PDF

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Publication number
WO2014037954A1
WO2014037954A1 PCT/IN2012/000584 IN2012000584W WO2014037954A1 WO 2014037954 A1 WO2014037954 A1 WO 2014037954A1 IN 2012000584 W IN2012000584 W IN 2012000584W WO 2014037954 A1 WO2014037954 A1 WO 2014037954A1
Authority
WO
WIPO (PCT)
Prior art keywords
paint
sludge
mixture tank
equipment
paint sludge
Prior art date
Application number
PCT/IN2012/000584
Other languages
English (en)
Inventor
Elangovan R.
Barathi TAB
Original Assignee
Maham Holdings (P) 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 Maham Holdings (P) Ltd filed Critical Maham Holdings (P) Ltd
Priority to PCT/IN2012/000584 priority Critical patent/WO2014037954A1/fr
Publication of WO2014037954A1 publication Critical patent/WO2014037954A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/16—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials passing down a heated surface, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
    • B05B14/462—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material and separating the excess material from the washing liquid, e.g. for recovery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/49—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention generally relates to equipments for reprocessing paint sludge, and more particularly relates to specific tailor made equipment for recovering solvents and reusable products from the paint sludge.
  • paint sludge The main sources of paint sludge are raw paint sludge produced from spray paint booth operations and paint / paint gun cleaning liquid. Paint sludge can include a variety of uncured polymer resins, pigments, curing agents, surfactants and other minor formulation ingredients. In addition, the paint sludge contains water and/or a variety of organic solvents. Paint sludge represents an important problem both from managerial and environmental point of view owing to its huge volumes * and hazardous characteristics.
  • U.S. Pat. No. 5,129,995 discloses a process and apparatus for the continuous pyrolytic decomposition of waste stream materials such as paint sludge in which the inorganic components are recovered and recycled into essentially the same source materials from which they originated.
  • the organic components are collected in liquid or gaseous form, as pyro oil and pyro gas respectively.
  • U.S. Pat. No. 5,490,907 teaches a method and apparatus for the recovery of volatiles from an organic sludge including paint sludge. The method involves distillation for recovering solvents and the resultant product is a dry granular solid which is used in building industry as raw material or as fillers.
  • U.S. Pat. No. 5,765,293 teaches a process for treating paint sludge in which the paint powder / sludge mixture is agitated and heated to cure the paint sludge. Processing can occur either continuousl or in batch mode and it can be accomplished using a mixer charged with heated gases or a heated mixer.
  • the present invention relates to special equipment for extracting reusable material out of the paint sludge which is a residue in the process of any painting activity.
  • the equipment of the present invention contains a cone type mixture tank with a heater on the outsides of the tank to dry paint sludge.
  • the equipment also includes an air cooling unit and a water cooling unit for the recovery of solvent by condensation.
  • the equipment further includes a collection tank for collecting reusable solvent or thinner and a vacuum pump for treating very sticky and crusty residues at different vacuum levels.
  • the tailor made equipment used for the treatment of paint sludge controls thermal heating, distillation and recovering solvents first by separating volatile organic compounds (VOCs) from the paint sludge.
  • VOCs volatile organic compounds
  • the solvent so extracted can be used as an alternate solvent in different application.
  • the sludge mix is treated to a particular temperature and during the process of mixing the sludge in a mixing chamber, process oil compatible with the properties is used to fluidise the mix. For a specific time period, the mix undergoes the mixing in the chamber and the fluid mix is achieved. Once the mix achieves the property, the resultant mix is pushed out by way of reversing the screw movement and collected in the collector. At this stage, this semi-solid residue can be used as a filler compound in any organic compound mix applications.
  • Fig. 1 depicts the paint waste recovery and reuse converting machine and the process used for 95 the recovery according to the present invention.
  • Fig. 2 illustrates the views of the cone type mixture tank of the present invention.
  • Fig. 3 illustrates the views of the cone top cover of the invention.
  • Fig. 4 illustrates the views of the cone bottom cover.
  • Fig. 5 shows the v iews of the special type mixing shaft and a screw jack of the mixing shaft 100 used in the cone type mixture tank of the present invention.
  • Fig. 6 illustrates the unit details of the equipment used for treating the paint sludge according to the present invention.
  • Fig. 7 represents the raw paint sludge from spray paint booth operations at 150°C temperature using the equipment of the present invention.
  • 105 Fig. 8 represents the paint and paint gun cleaning liquid operations at 150°C using the equipment of the present invention.
  • Fig. 9 shows the power circuit of the invention.
  • Fig. 10 shows the control circuit according to the present invention.
  • Paint sludge or paint waste is a major residue from the process of any painting activity.
  • the residue may contain solvents mixed with paint waste.
  • the present invention relates to special equipment that is particularly designed for the recovery of solvents and reusable products from paint sludge.
  • the extracted reusable materials can be used as reinforcing fillers in various applications.
  • Fig. 1 illustrates the paint waste recovery and reuse converting machine 1 for treating paint sludge which include solvents into reusable materials in a batch system.
  • the equipment contains a cone type mixture tank 2 with a heater 3 on the outsides of the tank 2 to dry paint sludge.
  • the equipment also includes an air cooling unit 3 and a water cooling unit 4 for the recovery of solvent by condensation.
  • the equipment further includes a collection tank 5 for collecting reusable solvent or thinner and a vacuum pump 6 for pumping the vapours present in the mixture tank and subsequently condenses as liquid and thus treating very sticky and crusty residues at different vacuum levels.
  • the cone type mixture tank of the present invention includes a sludge input at the top, the output for reusable material at the bottom of the cone and for solvent at the top of the tank, process oil input pipe, special type mixing unit in which the mixing of processing oil compatible with the mixture and sludge residue takes place and heating coil at the outside of the tapV.
  • TV n i.vi unit locates nt the ' inner most bottom of the cone type mixture tank.
  • Fig. 145 2. 3 and 4 illustrates the various views of the cone type mixture tank, cone top cover and cone bottom cover respectively in order to understand the units of the equipment design in detail.
  • liquid or viscous waste solutions are pumped into a batch dryer where they are dried to a solid granular residue with continuous mixing, vaporized
  • the tailor made equipment .1 used for the treatment of paint sludge controls thermal heating, distillation and recovering solvents first by separating volatile organic compounds (VOCs) from paint sludge.
  • VOCs volatile organic compounds
  • the solvent so extracted can be used as an alternate solvent in various other applications. Further, the sludge mix is treated to a particular temperature and during , the
  • this semi-solid residue can be used as any organic reinforcing filler, which is used as a filler compound in any organic compound mix applications like rubber compounding, plastic compounding or any other epoxy compounding.
  • the process scheme is flexible, offering a range of temperatures and vacuum levels for 165 treating very sticky and crusty residues. It provides nearly complete solvent recovery and yield inert solid residues, thereby minimizing air pollution emissions.
  • the equipment of the present invention is used to extract solvent that could be used in various applications and the processed residual waste can be employed as an organic filler material.
  • the method of processing paint sludge with the equipment of the present invention is advantageous in terms of minimizing air pollution because of utilizing a closed system, drastically reducing VOC gases and continuous removal of the sludge. Additionally, the recovered solvent can be provided for different thinner application, such as washing of tools and use as partial mixer in paint or a feed for secondary treatment processes, such as up-
  • the units of the present invention operate on the principal of heating the waste fluids to the solvent boiling point and condensing the distilled clean vapor for reuse.
  • the batch units consist of a boiling chamber, air cooling condenser, water cooling condenser and reclaimed 180 solvent collection container as shown in figure 6. These systems are easy to use and typically require the user simply to load the spent solvent into the boiling chamber and program the temperature set point and cycle time. The clean solvent emerges as the unit reaches temperature after approximately 1/2 to 1 hour and the batch will complete processing after about 10 to 12 hours.
  • Raw paint sludge from spray paint booth operations operates at 150°C. It was observed 10 hrs operated and minimum power consumed at 1.1 KW/ Lit solvent. The process results as shown in figure 7, it is recoverable of 34% reusable solvent and remaining as 48% stabilized solid residue and 18% wastewater. It converts hazardous waste into 34 % reusable solvent. 190 The system reduces waste and increase profits.
  • Figure 9 and 10 illustrate the power circuit and control circuit adopted for the processing equipment.
  • the equipment of the present invention reduces the power 200 consumption and duration for carrying out the process of treating the sludge. It improves the efficiency of output when compared to conventional machines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Sludge (AREA)

Abstract

La présente invention concerne un équipement spécial pour extraire les matières réutilisables de la boue de peinture constituant un résidu du processus de toute activité de peinture. Cet équipement est conçu spécifiquement pour la récupération de solvants et de produits finaux réutilisables à partir de boues de peinture pouvant être utilisées dans diverses applications industrielles.
PCT/IN2012/000584 2012-09-05 2012-09-05 Équipement pour le recyclage de boues de peinture WO2014037954A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IN2012/000584 WO2014037954A1 (fr) 2012-09-05 2012-09-05 Équipement pour le recyclage de boues de peinture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IN2012/000584 WO2014037954A1 (fr) 2012-09-05 2012-09-05 Équipement pour le recyclage de boues de peinture

Publications (1)

Publication Number Publication Date
WO2014037954A1 true WO2014037954A1 (fr) 2014-03-13

Family

ID=47358508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2012/000584 WO2014037954A1 (fr) 2012-09-05 2012-09-05 Équipement pour le recyclage de boues de peinture

Country Status (1)

Country Link
WO (1) WO2014037954A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020186741A1 (fr) * 2019-03-20 2020-09-24 青岛大学 Procédé de préparation d'un matériau modifié en résine, système et technique de préparation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753094A (en) * 1986-06-19 1988-06-28 Spears Richard L Apparatus and method of powder-metal peen coating metallic surfaces
US5129995A (en) 1990-02-01 1992-07-14 General Motors Corporation Pyrolysis process and apparatus
US5490907A (en) 1989-01-23 1996-02-13 Agglo Inc. Method for treating sludges
US5765293A (en) 1997-03-12 1998-06-16 Haden, Inc. Method for processing paint sludge
DE29712707U1 (de) * 1997-07-18 1998-11-12 Hauser, Günther, Prof. Dr.-Ing., 38229 Salzgitter Vorrichtung zur Rückgewinnung von versprühten Farbpartikeln
EP1066888A1 (fr) * 1999-07-08 2001-01-10 Sam Sin Mechanical Engineering Co., Ltd. Appareil et procédé de recyclage de résidus de peinture
US20030062431A1 (en) * 2001-10-02 2003-04-03 Kuniya Sonehara Process for reusing waste paint and processor therefor
JP2004330082A (ja) * 2003-05-07 2004-11-25 Kanebo Ltd 廃棄物処理方法及びその装置
DE102010054212A1 (de) * 2010-12-11 2012-06-14 Eisenmann Ag Anlage zum Lackieren von Gegenständen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753094A (en) * 1986-06-19 1988-06-28 Spears Richard L Apparatus and method of powder-metal peen coating metallic surfaces
US5490907A (en) 1989-01-23 1996-02-13 Agglo Inc. Method for treating sludges
US5129995A (en) 1990-02-01 1992-07-14 General Motors Corporation Pyrolysis process and apparatus
US5765293A (en) 1997-03-12 1998-06-16 Haden, Inc. Method for processing paint sludge
DE29712707U1 (de) * 1997-07-18 1998-11-12 Hauser, Günther, Prof. Dr.-Ing., 38229 Salzgitter Vorrichtung zur Rückgewinnung von versprühten Farbpartikeln
EP1066888A1 (fr) * 1999-07-08 2001-01-10 Sam Sin Mechanical Engineering Co., Ltd. Appareil et procédé de recyclage de résidus de peinture
US20030062431A1 (en) * 2001-10-02 2003-04-03 Kuniya Sonehara Process for reusing waste paint and processor therefor
JP2004330082A (ja) * 2003-05-07 2004-11-25 Kanebo Ltd 廃棄物処理方法及びその装置
DE102010054212A1 (de) * 2010-12-11 2012-06-14 Eisenmann Ag Anlage zum Lackieren von Gegenständen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020186741A1 (fr) * 2019-03-20 2020-09-24 青岛大学 Procédé de préparation d'un matériau modifié en résine, système et technique de préparation

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