WO2009034469A2 - Soil or rock conditioning machine - Google Patents
Soil or rock conditioning machine Download PDFInfo
- Publication number
- WO2009034469A2 WO2009034469A2 PCT/IB2008/002545 IB2008002545W WO2009034469A2 WO 2009034469 A2 WO2009034469 A2 WO 2009034469A2 IB 2008002545 W IB2008002545 W IB 2008002545W WO 2009034469 A2 WO2009034469 A2 WO 2009034469A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- soil
- rotor
- conveyor
- rotors
- conditioning machine
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Definitions
- the invention relates to a soil conditioning and crushing machine for conditioning or treatment of soil and rocks. Particularly the invention relates to the modifying or regenerating various soil type soils for which the machine can also perform as a crusher.
- Clay soil creates problems in the building industry and also in earth works. It is well known that a soil conditioning material is spread over areas of clay, the conditioning material for example being lime, gypsum or cement. More recently machines are available to condition the clay soil. The clay is dug or scraped from the ground and loaded onto a conveyor belt of the machine. The clay with conditioning material is dropped onto a mixer where it is mixed and fed to a discharge conveyor.
- a soil conditioning material is spread over areas of clay, the conditioning material for example being lime, gypsum or cement.
- More recently machines are available to condition the clay soil. The clay is dug or scraped from the ground and loaded onto a conveyor belt of the machine. The clay with conditioning material is dropped onto a mixer where it is mixed and fed to a discharge conveyor.
- a mixer One example of such a machine is described in US 5,988,937 in the name of Komatsu Ltd.
- This specification is primarily directed to the feeding of the soil to be conditioned and the feeding of the conditioning material prior to the materials being fed to the crusher.
- No detail is given of the crusher, the only disclosure being that on Figure 2 where it is clear the materials are fed by a conveyor and feeder to drop the material on to the first of three crushing rotors whose rotation and operation are not described.
- the machine also incorporates a sieve to separate large rocks, stones or the like from the soil to be conditioned.
- a further example is Japanese publication 54-58901.
- a further object is to provide a machine in which the material is fed by a conveyor to a mixing chamber having at least one mixing rotor positioned to cut or pick the material directly from the end of the conveyer.
- a further object of the invention is to position adjustable doors adjacent to the rotor whereby the clearance between the door and rotary mixer or hammer is adjustable.
- a soil and/or rock conditioning machine including a feed hopper, conveyor means to feed the soil or rock to a mixing chamber, at least one rotor positioned in a mixing chamber, said one of said rotors positioned at the end of the conveyor whereby the said one rotor is positioned directly at the end of the conveyor to cut the soil or pick the rocks directly from the end of the conveyor.
- the said rotor cuts the soil or picks the rocks in an upward direction.
- the said rotor cuts the soil or picks the rocks in a downward direction.
- one or both of the rotors is a mixer rotor.
- one or both of the rotors is a hammer rotor.
- the mixing chamber has an adjustable door adjacent said rotor or each rotor whereby the clearance between the rotor and the door is adjustable depending on the material being conditioned.
- the adjustable door or doors are cleaned by moving the adjustable door or doors to be adjacent the said rotor or rotors.
- a cutting rotor is positioned in the feed hopper to cut cohesive soils to assist in providing a uniform mat or layer on the conveyor.
- a serrated cutting blade is positioned above the material on the conveyor to assist in cutting cohesive soils.
- the serrated cutting blade is oscillated across the conveyor.
- each of the rotors is adjustable.
- Figure 1 is a cross sectional view of the soil conditioning machine
- Figure 2 is a cross sectional view of one embodiment of the mixing chamber showing two mixing rotors rotating in the same direction.
- Figure 2a is a cross sectional view showing a mixing rotor to cut or pick in an upward direction.
- Figure 2b is a cross sectional view showing a mixing rotor to cut or pick in a downward direction
- Figure 3 is a cross sectional view of a further embodiment of the mixing chamber showing a mixing rotor and a hammer rotor rotating in the same direction.
- Figure 3a is a cross sectional view showing a hammer rotor to pick in an upward direction.
- Figure 3b is a cross sectional view showing a hammer rotor to pick in a downward direction.
- Figure 4 is a cross sectional view of a further embodiment of the invention with two rotors and air flow across the treated material.
- Figure 4a is a similar view showing a single picking rotor to pick in an upward direction
- Figure 4b is a similar view showing a picking rotor to pick in a down ward direction.
- Figure 5 is a partial view of the mixing chamber showing the adjustable doors in the open position.
- Figure 6 is a view similar to Figure 5 showing the doors in the closed position.
- Figure 7 is a cross sectional view of the mixing chamber showing the mixer rotors in vertical alignment rotating in opposite directions with a different door configuration
- Figure 8 is a view similar to Figure 7 but showing the hammer rotors in vertical alignment rotating in opposite directions with a different door configuration
- Figure 9 is a sectional and cross section view of a serrated cutting blade in the feed hopper.
- Figure 10 are three cross sectional views of an adjustably positioned cutting rotor in the feed hopper.
- the soil conditioning or crushing machine 1 shown in figure 1 is mounted on a trailer chassis 2 having a tow bar 3 and wheel bogie 4 whereby the machine can be easily transported from site to site.
- the machine 1 comprises a feed hopper 5 feeding a conveyor 6 to transport the soil to a mixing chamber 7.
- a hopper 8 to contain conditioning material can deposit regulated amounts of conditioning material on the soil prior to entering the mixing chamber.
- the soil as it is being conditioned passes downwardly through the mixing chamber 7 where it is mixed and conditioned by rotors 9 and 10, as later described, onto a discharge conveyor 21.
- the machine is driven by an internal combustion engine 11 driving a hydraulic pump.
- the conveyors and rotors are driven by variable speed hydraulic motors, the hydraulic circuit and control valves being conventional and is not described or shown.
- FIG. 2 showing the mixing chamber 7 in more detail with front wall 7a and rear wall 7b, the rotors 9 and 10 in this embodiment are shown as mixing rotors with both rotating in the same direction.
- the rotor 9 has its centre of rotation at about the level of the conveyor 6, with the picks 12 passing closely adjacent to the end of the conveyor 6.
- the mixing chamber has doors 13 and 14 against which the severed pieces of soil are thrown.
- Door 13 has portion 15 extending across and downwardly and angled portion 16 and deflecting portion 17 to deflect the soil pieces onto rotor 10.
- door 14 has portion 18 extending downwardly and portion 19 to deflect the soil portions to outlet 20.
- Both rotors rotate in the clockwise direction and rotor 9 cuts the soil directly off the end of the conveyor and accelerates the pieces of soil against door 13 which deflects the soil portions onto the rising picks 12 of rotor 10. Some of the soil portions would be accelerated back onto rotor 9 to maximise the amount of sheer (energy) that is put into the process.
- the conditioning machine is primarily for conditioning soil, it can also be used as a crusher in which case one or both mixing rotors with picks can be replaced by a hammer rotor.
- Figure 2a is a view similar to Figure 2 showing a further form of the invention.
- the mixing chamber houses only one mixing rotor 12 rotating to pick the soil upwardly from the end of the conveyor to accelerate the soil against door 13 from which the conditioned soil falls to the discharge conveyor 21.
- Figure 2b is a view similar to Figure 2a with the mixing rotor rotating to cut the oil in a downward direction, the conditioned material being deflected by wall 7b to the discharge conveyor 21
- Figure 3a shows a single hammer rotor 22 to cut or pick the material, whether soil or granular material, from the end of the conveyor upwardly from the conveyor 6 to accelerate the material against door 13 to fall on the discharge conveyor 21
- Figure 3b is a similar view to Figure 3a whereby the hammer rotor 22 accelerates the material downwardly against wall 7b to fall to the discharge conveyor 21.
- Figure 4 shows the embodiment with a hammer rotor 22 adjacent the conveyor 6 and a lower picking rotor 10.
- Figure 4a is another embodiment illustrating the supply of compressed air 34 to the material falling from a single mixing rotor 9 cutting the material upwardly against door 13, while Figure 4b shows the embodiment of supplying compressed air to the material falling from mixing rotor 9 cutting the material downwardly from the conveyor 6.
- the doors 13 and 14 are adjustable in position.
- Figure 5 shows the doors in the open position and Figure 6 in the closed position.
- Door 13 is supported by hinge 23 and hydraulic ram 24 and door 14 is supported by hinge 25 and hydraulic ram 26.
- the rotors remove the soil which has been deposited on the doors, thus in effect the mixing chamber is self cleaning, leaving only a thin layer of soil on the doors.
- the cleaning cycle for the doors is variable depending on material type.
- the doors need to be cleaned at varying durations dependent on how thick the material is.
- the operating position of the doors is determined by the material being conditioned.
- the position of the doors and the closing for cleaning and return to the operating position can preferably be computer controlled.
- the frequency of cleaning and the duration of each cleaning can be determined and programmed so that the cleaning takes place automatically with the doors returning to their pre-determined position.
- the cleaning operation can take place during the operation of the machine, or alternately the feed conveyor can be stopped while the cleaning operation takes place.
- an auto stop sequence is installed. This stops and reverses the belt 6 slightly prior to the machine stopping. This prevents material at the end of the belt 6 falling down onto the rotor thus preventing the rotor from stalling and failing to restart.
- the embodiments just described illustrates the rotors being staggered, the lower rotor being spaced below and to one side of the upper rotor.
- the lower rotor can be positioned directly below the upper rotor as shown in figures 7 and 8 being a partial section of the mixing chamber 7.
- Rotor 9 is positioned to cut the clay material from the end of the conveyor and accelerate the cut clay pieces onto door 13 to direct the clay pieces onto rotor 27 which rotates in an anti-clockwise manner to accelerate the clay pieces back onto rotor 9.
- the mixing chamber 7 has a baffle 28 leaving a small clearance to the rotor 27 to deflect and prevent the clay pieces from passing to outlet 20.
- Door 29 deflects and directs the clay pieces to the outlet 20, the door situated on the opposite side of the mixing chamber to the previous embodiment.
- the door is similarly angled and hinged at 30 to the chamber and supported by hydraulic ram 31 at its lower end.
- Figure 7 illustrates the use of two mixing rotors whereas figure 8 illustrates the use of two hammer rotors 32 and 33.
- the material is passed to serrated cutting blade 32 positioned above the feed conveyor belt 6 to assist in cutting the material coming along the belt.
- the cutting blade is particularly important when processing very cohesive soils for it cuts the soil longitudinally before it is cut from the end of the conveyor 6.
- the serrated blade 32 is preferably oscillated across the material to further enhance the machines ability to deal with very cohesive soils.
- a cutting rotor 33 can be positioned in the hopper 8 cuts back surplus material so that the cutting edge deals with a relatively uniform layer or mat of material. This reduces pressure on the serrated cutting blade 32 and this means that very wet cohesive soils can now be dealt with in the hopper where they would not have been with just the serrated cutting blade.
- the form of the rotor 33 can vary from the form shown.
- the cutter 33 is mounted on an arm 34 pivoted on an axle 35 housed in bearings 36 in the wall of the hopper 8. The position of the cutter 33 can be varied depending on the material being treated or completely removed from the hopper 8 if granular material is being conditioned by a hydraulic ram 37.
- a versatile soil conditioning machine which can be adapted to be a crusher by the substitution of one or both of the mixing rotors with hammer rotors, the mixing and hammer rotors can be in any configuration, mixer and hammer, or hammer and mixer.
- the rotors can be changed from one type to the other in a short period of time, thus enhancing the versatility of the machine.
- the double rotor concept provides efficient mixing of the clay with the conditioning material of lime or cement, by accelerating the particles into the path of the other rotor to maximise the amount of sheer (energy) that is put into the mix process.
- the incoming material does not fall into a mixing chamber, but is cut by the upper rotor directly from the end of the conveyor and accelerated onto the door which then directs the material onto the second rotor.
- the blowing of compressed air into the mix chamber aids the vaporisation of any hydrocarbon materials.
- the air is blown through the pulverized soils as they leave the rotor and the process of the material flying through the air maximises the contact of the compressed air with the soil particles to release hydrocarbon contamination.
- the adjustable doors for each rotor permit the clearance to be adjusted for each type of soil being conditioned, the doors also being adjusted to self-cleaning position.
- the use of hydraulic motors permits infinite speed adjustments depending on soil types and/or operation made, e.g. mixing or crushing, e.g. mixing 200-500 RPM, crushing 800-1000RPM.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crushing And Pulverization Processes (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010524597A JP2010539359A (en) | 2007-09-11 | 2008-09-11 | Soil or rock improvement machine |
US12/677,366 US20100202836A1 (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
AU2008299372A AU2008299372A1 (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
CA2699229A CA2699229A1 (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
EP08830395A EP2198092A2 (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
CN2008801064709A CN101878340A (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007904914 | 2007-09-11 | ||
AU2007904914A AU2007904914A0 (en) | 2007-09-11 | Soil or rock conditioning machine |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009034469A2 true WO2009034469A2 (en) | 2009-03-19 |
WO2009034469A3 WO2009034469A3 (en) | 2009-11-05 |
Family
ID=40404763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2008/002545 WO2009034469A2 (en) | 2007-09-11 | 2008-09-11 | Soil or rock conditioning machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100202836A1 (en) |
EP (1) | EP2198092A2 (en) |
JP (1) | JP2010539359A (en) |
CN (1) | CN101878340A (en) |
AU (1) | AU2008299372A1 (en) |
CA (1) | CA2699229A1 (en) |
WO (1) | WO2009034469A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011067584A1 (en) * | 2009-12-02 | 2011-06-09 | Aqs Holdings Limited | Improvements in soil and/or rock conditioning machines |
WO2011067583A1 (en) * | 2009-12-02 | 2011-06-09 | Aqs Holdings Limited | Improvements to soil and/or rock conditioning machines |
GB2478150A (en) * | 2010-02-26 | 2011-08-31 | Yorkshire Water Services Ltd | A material recycling apparatus for processing trench arisings |
WO2022129244A1 (en) * | 2020-12-15 | 2022-06-23 | Entreprenørfirmaet Vejstrup Maskinstation | Soil stabilization system and method for soil stabilization |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103143411A (en) * | 2013-03-28 | 2013-06-12 | 河南南洋环保机械有限公司 | Wet-feed composite crusher |
RU2704101C2 (en) * | 2014-10-02 | 2019-10-23 | Рональд Р. ДЭЙ | Contaminated soil treatment system and corresponding method |
CN110055966A (en) * | 2018-01-18 | 2019-07-26 | 宋艳丽 | The hard object crushing device of large volume in a kind of mud-rock flow |
ES1209488Y (en) * | 2018-03-12 | 2018-07-03 | Talleres Zb S A | MOBILE FRAGMENTER OF METAL MATERIALS WITH IMPROVED SAFETY |
CN112359818A (en) * | 2020-11-26 | 2021-02-12 | 王烨峰 | Foundation engineering is with device that improves firm degree of geology |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1387009A2 (en) * | 2002-07-30 | 2004-02-04 | Komatsu Ltd | Soil modifying apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5748043A (en) * | 1980-09-04 | 1982-03-19 | Nippon Hodo Co Ltd | Improving machine for cohesive soil |
JP3242565B2 (en) * | 1996-01-12 | 2001-12-25 | 株式会社小松製作所 | Crushing and mixing method of soil and its device |
-
2008
- 2008-09-11 CA CA2699229A patent/CA2699229A1/en not_active Abandoned
- 2008-09-11 EP EP08830395A patent/EP2198092A2/en not_active Withdrawn
- 2008-09-11 WO PCT/IB2008/002545 patent/WO2009034469A2/en active Application Filing
- 2008-09-11 CN CN2008801064709A patent/CN101878340A/en active Pending
- 2008-09-11 US US12/677,366 patent/US20100202836A1/en not_active Abandoned
- 2008-09-11 AU AU2008299372A patent/AU2008299372A1/en not_active Abandoned
- 2008-09-11 JP JP2010524597A patent/JP2010539359A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1387009A2 (en) * | 2002-07-30 | 2004-02-04 | Komatsu Ltd | Soil modifying apparatus |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011067584A1 (en) * | 2009-12-02 | 2011-06-09 | Aqs Holdings Limited | Improvements in soil and/or rock conditioning machines |
WO2011067583A1 (en) * | 2009-12-02 | 2011-06-09 | Aqs Holdings Limited | Improvements to soil and/or rock conditioning machines |
GB2478150A (en) * | 2010-02-26 | 2011-08-31 | Yorkshire Water Services Ltd | A material recycling apparatus for processing trench arisings |
WO2022129244A1 (en) * | 2020-12-15 | 2022-06-23 | Entreprenørfirmaet Vejstrup Maskinstation | Soil stabilization system and method for soil stabilization |
Also Published As
Publication number | Publication date |
---|---|
WO2009034469A3 (en) | 2009-11-05 |
US20100202836A1 (en) | 2010-08-12 |
CN101878340A (en) | 2010-11-03 |
CA2699229A1 (en) | 2009-03-19 |
EP2198092A2 (en) | 2010-06-23 |
JP2010539359A (en) | 2010-12-16 |
AU2008299372A1 (en) | 2009-03-19 |
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