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WO2002072272A1 - Appareil de decontamination - Google Patents

Appareil de decontamination Download PDF

Info

Publication number
WO2002072272A1
WO2002072272A1 PCT/NZ2002/000027 NZ0200027W WO02072272A1 WO 2002072272 A1 WO2002072272 A1 WO 2002072272A1 NZ 0200027 W NZ0200027 W NZ 0200027W WO 02072272 A1 WO02072272 A1 WO 02072272A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball mill
engine
motor
mill
unit
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/NZ2002/000027
Other languages
English (en)
Inventor
Bryan Geoffrey Black
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.)
ENVIRONMENTAL DECONTAMINATION Ltd
Original Assignee
ENVIRONMENTAL DECONTAMINATION 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 ENVIRONMENTAL DECONTAMINATION Ltd filed Critical ENVIRONMENTAL DECONTAMINATION Ltd
Publication of WO2002072272A1 publication Critical patent/WO2002072272A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B02C21/02—Transportable disintegrating plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically

Definitions

  • the present invention relates to improvements in and/or relating to apparatus for suitable for decontaminating a halo-organic contaminated media.
  • the present invention relates to the apparatus and related uses and assemblies.
  • the present invention consists in apparatus suitable for decontaminating a halo-organic contaminated media comprising or including a ball mill and a coupled motor or engine capable of operating the ball mill, the apparatus being transportable as a whole.
  • said ball mill is operable by an internal combustion engine (preferably a diesel engine).
  • an internal combustion engine preferably a diesel engine.
  • said engine or motor is capable of operating the ball mill such that in operation with the reaction mix of the media and any expendables (and independent of exothermicity of any mechanco-chemical reaction) the ball mill is capable of generating a temperature of greater than or equal to 70 °C.
  • Preferably said engine has a horsepower rating of at least 400 bhp (eg; preferably about or at least 600 bhp and about a torque maximum of about 3500 NM).
  • an electric motor of equivalent or greater capacity is utilised, such motor being adapted to draw power from a generator.
  • said generator is driven by a prime mover, ie; engine.
  • said generator and prime mover is not carriable as part of said whole.
  • all of the balls of the ball mill are of a similar size.
  • said ball mill is multi-chambered.
  • said ball mill is of a kind that enables a control of the throughput by control of the infeed and/or outfeed.
  • Preferable said ball mill has two chambers, one above the other with the first one having the inlet and the second one having the outlet, the reaction mix as the reaction is proceeding passing from one to the other.
  • said ball mill is connected to said engine or motor via a clutch or torque converter.
  • the ball mill is braked.
  • At least the balls or at least part of the or each chamber is of a metal high in iron.
  • said balls in the ball mill are all of a similar size.
  • said balls are all less than 30mm in diameter.
  • said balls in the ball mill are in the range of from 15 to 25mm in diameter (preferably about 20mm).
  • said motor or engine and said ball mill are mounted so as to be moveable as a unit with preferably the (preferably the clutched and preferably braked) transmission between said engine and the ball mill.
  • a chassis or other frame provides the base for the mounting.
  • said ball mill is supported on flexible mountings but is located so as not to move off its mounting, such location being by any appropriate means whether reliant upon gravity or not.
  • the flexible mountings are synthetic and/or natural rubber mounts.
  • said rubber mounts sit on pedestal or other supports from the chassis like frame with the ball mill being located between the preferably a plurality of said pedestals on each side of the ball mill.
  • said ball mill has each chamber defined by substantially a cylindrical member.
  • the input into the ball mill is between the vertically spaced cylinders.
  • the apparatus is such that it is transportable as a 40ft ISO unit or container.
  • the apparatus is encased or otherwise shielded to the extent needed to suppress excessive dust and/or noise emission.
  • the invention consists, in combination, apparatus suitable for decontaminating a halo-organic contaminated media as aforesaid and a unit being a "genset" suitable for such apparatus (ie; an appropriate generator and prime mover unit).
  • the present invention consists in a transportable unit that includes a structural member capable of being uplifted and having mounted an engine and a mill operable by said engine.
  • said mill is a ball mill.
  • said apparatus is as aforesaid or includes any of the preferments previously mentioned.
  • the present invention consists in a transportable unit that includes a structural member capable of being uplifted and having mounted an electric motor and a mill operable by said motor.
  • said mill is a ball mill.
  • said apparatus is as aforesaid or includes any of the preferments previously mentioned.
  • the present invention consists in a ball mill of a kind identical or similar to the PALLA 65U model ball mill of KHD Humboldt Wedag AG of Germany when mounted so as to be transportable in conjunction with a prime mover capable of operating it (eg; a GM Detroit Diesel 8N71).
  • a prime mover capable of operating it eg; a GM Detroit Diesel 8N71.
  • said prime mover includes a remote or incorporated fuel tank.
  • Preferably said unit includes filters and an extraction plan in conjunction therewith.
  • the present invention consists in a ball mill of a kind identical or similar to the PALLA 65U model ball mill of KHD Humboldt Wedag AG of Germany when mounted so as to be transportable in conjunction with an electric motor capable of operating under power from a separate power source.
  • said unit includes some shrouding, etc. filters and an extraction fan in conjunction therewith.
  • the present invention consists in the use of apparatus or a unit of any kind as previously defined at a site for halo-organic decontamination or in a process herein referred to. h still a further aspect the present invention consists in a method of site preparation which involves the placement of apparatus or a unit of any kind in accordance with the present invention as the reactor at the site.
  • the invention consists in a unit or apparatus substantially as herein described with reference to the accompanying drawings but where an electric motor substitutes for the engine.
  • the present invention consists in a unit or apparatus substantially as herein described insofar as the ball mill and its transportability is concerned, such ball mill being capable of being driven by a motor or engine preferably also carried by the unit.
  • the present invention also has use in methods and procedures of our PCT/NZ01/00068 and PCT/NZ01/00069. The contents thereof are here included by way of reference.
  • Figure 1 is a diagrammatic side elevation view of apparatus powered by an engine in accordance with the present invention.
  • Figure 2 is a flow diagram of the process with which the apparatus of Figure 1 (or one using in substitution an electric motor and a separate "genset” or other electric power supply) is to be utilised in a manner as disclosed in the aforementioned New Zealand Patent Specification 504341, PCT/NZ01/00068 and PCT/NZO 1/00069.
  • the apparatus of the present invention and preferably as depicted in Figure 1 is that apparatus 1 referred to as the reactor in the flow diagram of Figure 2.
  • the reactor 1 is adapted by chemico-mechanical ball milling to degrade halo-organic materials in the ball mill using expendables which preferably are (i) iron sands and/or steelmakers slag and (ii) urea.
  • expendables which preferably are (i) iron sands and/or steelmakers slag and (ii) urea.
  • An organic acid (iii) such as white vinegar derived acetic acid may also be utilised where, for example, the halo-organic compound is the DDE isomer of DDT.
  • a heavy frame 2 is provided with pedestal upstands 3. These pedestal upstands 3 skirt as a bank of pedestals on either side the reactor 4.
  • the reactor 4 is preferably a twin cylinder Palla 65U ball mill of KHD Humboldt Wedag AG of Germany.
  • the reactor 4 has an infeed at 5 into its upper cylinder 6 and a downfeed from the upper cylinder 6 at 7 into the lower cylinder 8 from whence there is an outfeed at 9.
  • the drive to the reactor 4 and its eccentric(s) [not shown] is via the shaft 10.
  • All of the mass of the ball mill 4 (inclusive of 5, 6, 7, 8 and 9) is flexibly mounted to vibrate on pads 11 (e.g. synthetic or natural rubber - hollow or solid) supported on pedestals 3.
  • pads 11 e.g. synthetic or natural rubber - hollow or solid
  • the outstand regions 12 of the ball mill alone contacts the pedestals and/or pads 11.
  • the prime mover is preferably a diesel engine 13 of at least 400bhp provided with a clutch 14 and a brake mechanism 15.
  • the prime mover such as a GM Detroit Diesel 8N71 producing approximately 600 BHP and a maximum torque of about 3500 ⁇ M to operate initially at about 1500RPM can be used. Ideally even more powerful engines are to be used.
  • the clutch is preferably an overcentre clutch with a twin disc.
  • a reduction drive 2:1 can be utilised preferably the direct 1:1 drive is utilised.
  • a feature of the present invention is the provision of sufficient non vibrating mass in the unit as depicted in Figure 1 to stabilise and thus act as a counter weight to the vibrating mass supported on the pads 11 to keep the same located between the two banks of pedestals 3 and with each outstanding member 12 located on its respective flexible pad 11 in turn located on its pedestal support.
  • an extractor fan 16 and air filters 17 that preferably provide some degree of dust control from the unit.
  • the balls in the mill are in sufficient numbers to provide the requisite reaction during a controlled transit and in this respect preferably the control is by control of the ratio of infeed to outfeed rate such that there is the requisite dwell time in each of the chambers 6 and 8 each with its own loading of balls.
  • balls are much of the same size and preferably are less than 30 mm in diameter. Most preferably the balls are in the range of from 15 to 25 mm in diameter. Most preferably 20 mm diameter balls are utilised such balls preferably being of high iron content metal (steel, cast iron or the like) as also are the chambers 6 and 8.
  • unit(s) in accordance with the present invention is (are) capable of being erected to a 40ft ISO container size thus engendering transportability to a site for site placement in any manner (with a genset unit also if the electric motor variant) including as described in the accompanying specifications.
  • the apparatus is preferably encased and/or shielded but with any necessary air ducting (filtered or otherwise) to keep the apparatus from excessive heat build up whilst suppressing excessive dust and/or noise emission.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention porte sur un appareil permettant la décontamination de milieux halo-organiques pollués (les sols par exemple). Cet appareil comporte un broyeur à boulets transportable couplé à un moteur servant à faire fonctionner ledit broyeur. L'appareil tout entier peut être déplacé.
PCT/NZ2002/000027 2001-03-12 2002-03-11 Appareil de decontamination Ceased WO2002072272A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ51052301 2001-03-12
NZ510523 2001-03-12

Publications (1)

Publication Number Publication Date
WO2002072272A1 true WO2002072272A1 (fr) 2002-09-19

Family

ID=19928385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2002/000027 Ceased WO2002072272A1 (fr) 2001-03-12 2002-03-11 Appareil de decontamination

Country Status (1)

Country Link
WO (1) WO2002072272A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105972A1 (fr) 2006-03-15 2007-09-20 Mcd Technology Limited APPAREIL de fraisage
CN103075487A (zh) * 2013-01-21 2013-05-01 贵州成智重工科技有限公司 移动式破碎站双动力传动系统结构
CN106393430A (zh) * 2016-12-09 2017-02-15 卿琦 一种带有均匀撒料的建筑搅拌装置
CN106391246A (zh) * 2016-11-21 2017-02-15 郑州搜趣信息技术有限公司 一种带有均匀撒料装置的尿素粉碎装置
CN107649500A (zh) * 2017-09-20 2018-02-02 华北理工大学 一种土壤修复装置
CN108941189A (zh) * 2018-08-03 2018-12-07 祝定华 一种重金属离子吸附剂与污染土壤的混合方法
WO2021012693A1 (fr) * 2019-07-25 2021-01-28 南京大学环境规划设计研究院集团股份公司 Appareil de remédiation pour sol ayant une pollution mixte par le cuivre et le nickel lourd et son procédé d'utilisation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072532A (en) * 1980-03-19 1981-10-07 Haahjem Mekaniske As Stone crushing mill
JPH10137625A (ja) * 1996-11-13 1998-05-26 Narita Sadaichi 移動式ボールミル破砕機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072532A (en) * 1980-03-19 1981-10-07 Haahjem Mekaniske As Stone crushing mill
JPH10137625A (ja) * 1996-11-13 1998-05-26 Narita Sadaichi 移動式ボールミル破砕機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; Class P41, AN 1998-355619/31 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105972A1 (fr) 2006-03-15 2007-09-20 Mcd Technology Limited APPAREIL de fraisage
US8888029B2 (en) 2006-03-15 2014-11-18 Mcd Technology Limited Milling apparatus
CN103075487A (zh) * 2013-01-21 2013-05-01 贵州成智重工科技有限公司 移动式破碎站双动力传动系统结构
CN106391246A (zh) * 2016-11-21 2017-02-15 郑州搜趣信息技术有限公司 一种带有均匀撒料装置的尿素粉碎装置
CN106391246B (zh) * 2016-11-21 2018-11-30 绍兴柯桥兴旺印纸印花有限公司 一种带有均匀撒料装置的尿素粉碎装置
CN106393430A (zh) * 2016-12-09 2017-02-15 卿琦 一种带有均匀撒料的建筑搅拌装置
CN107649500A (zh) * 2017-09-20 2018-02-02 华北理工大学 一种土壤修复装置
CN108941189A (zh) * 2018-08-03 2018-12-07 祝定华 一种重金属离子吸附剂与污染土壤的混合方法
WO2021012693A1 (fr) * 2019-07-25 2021-01-28 南京大学环境规划设计研究院集团股份公司 Appareil de remédiation pour sol ayant une pollution mixte par le cuivre et le nickel lourd et son procédé d'utilisation
US11052404B1 (en) 2019-07-25 2021-07-06 Academy Of Environmental Planning & Design, Group Co., Ltd., Nanjing University Apparatus for remediation of a copper and nickel co-contaminated soil and a method for using the same

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