EP1758718A1 - Method and arrangement for automatic mixing of water and concrete for rock bolting - Google Patents
Method and arrangement for automatic mixing of water and concrete for rock boltingInfo
- Publication number
- EP1758718A1 EP1758718A1 EP05745006A EP05745006A EP1758718A1 EP 1758718 A1 EP1758718 A1 EP 1758718A1 EP 05745006 A EP05745006 A EP 05745006A EP 05745006 A EP05745006 A EP 05745006A EP 1758718 A1 EP1758718 A1 EP 1758718A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- concrete
- mixing
- amount
- mixing vessel
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011435 rock Substances 0.000 title claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 238000005303 weighing Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/002—Mixing systems, i.e. flow charts or diagrams; Making slurries; Involving methodical aspects; Involving pretreatment of ingredients; Involving packaging
- B28C9/004—Making slurries, e.g. with discharging means for injecting in a well or projecting against a wall
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
Definitions
- the present invention relates to a method and an arrangement for automatic mixing of water and concrete for rock bolting.
- the present invention which is defined in the following patent claims, has the purpose to achieve an automatic method and arrangement for mixing of water and concrete that guarantees an accurate mixing proportion between water and concrete without negative influence from air admixture.
- the arrangement disclosed in the figure includes a mixing vessel 1 in which a mixing arrangement in the form of a mixer 13 is arranged.
- the mixer is run by a motor 15, which running is controlled by a control unit 3.
- a control unit 3 For determination of the amount of material in the mixing vessel 1, this is arranged for weighing with a scale 4.
- Water is added to the mixing vessel 1 from a water source 16 via a valve 11 and a pipe 17.
- Concrete is added to the mixing vessel 1 from a supply 18 via a feeder 12 and a pipe 19.
- the valve 11 and the feeder 12 are controlled by the control unit 3.
- the arrangement shown on the figure works in the following way. First the operator sets the demanded weight ratio between concrete and water and the demanded total weight for the mixture unless the whole volume of the mixing vessel is demanded. These values are stored in the control unit 3.
- the control unit 3 calculates the demanded weights of concrete and water from either the demanded weight of the completed mixture or from the volume of the mixing vessel 1.
- the mixing starts by weighing the amounts of water and concrete with the scale 4.
- the mixing vessel is standing on the scale 4.
- the mixing vessel may of course be hung up, e.g. in a load cell.
- the water is added quickly from the source 16 to about the wished amount.
- the amount of concrete is recalculated to take into account the real amount of water.
- the concrete is added to the mixing vessel 1 with the feeder 12, e.g. a screw feeder.
- the motor 15 is started to run the mixer 13 a predetermined time set in the control unit 3.
- the mixture of water and concrete is transferred to the drill hole 2 with the pump 14.
- the mixing vessel 1 and other equipment should be cleaned to prevent that the equipment is destroyed at an interruption of the work. This is made by adding water to the mixing vessel 1 until the water level 5 reaches an upper, selectable limit.
- the mixer 13 and the pump 14 are run during the whole cleaning procedure.
- the water level 5 is determined with the help of the scale 4.
- the mixing vessel is refilled to the upper level. This method is repeated a predetermined number of times or during a predetermined time.
- the cleaning is carried through the equipment is switched off and the mixing vessel 1 is emptied.
- the whole process is controlled by the control unit 3.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401616A SE0401616L (en) | 2004-06-23 | 2004-06-23 | Method and device for automatic mixing of water and cement for rock bolting |
PCT/SE2005/000741 WO2006001743A1 (en) | 2004-06-23 | 2005-05-20 | Method and arrangement for automatic mixing of water and concrete for rock bolting |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1758718A1 true EP1758718A1 (en) | 2007-03-07 |
EP1758718B1 EP1758718B1 (en) | 2010-06-09 |
Family
ID=32906848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05745006A Active EP1758718B1 (en) | 2004-06-23 | 2005-05-20 | Method and arrangement for automatic mixing of water and concrete for rock bolting |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1758718B1 (en) |
AT (1) | ATE470546T1 (en) |
AU (1) | AU2005257699B2 (en) |
CA (1) | CA2563383C (en) |
DE (1) | DE602005021783D1 (en) |
NO (1) | NO331760B1 (en) |
SE (1) | SE0401616L (en) |
WO (1) | WO2006001743A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108435030A (en) * | 2018-05-11 | 2018-08-24 | 荆门它山之石电子科技有限公司 | A kind of intelligence chemical industry blending tank |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2417012A1 (en) * | 1974-04-08 | 1975-10-23 | Scheurich | Concrete mixes from cement, aggregates and water - using memory stores to calculate exact amt. of water required |
CA1239026A (en) * | 1985-05-31 | 1988-07-12 | Allan Pearson | Method and apparatus for anchoring rock bolts and cables |
IE77873B1 (en) * | 1995-12-29 | 1998-01-14 | Mayasta Limited | A process for making readymix concrete |
US5795060A (en) * | 1996-05-17 | 1998-08-18 | Stephens; Patrick J. | Method and apparatus for continuous production of colloidally-mixed cement slurries and foamed cement grouts |
GB2318304B (en) * | 1996-10-28 | 2000-11-29 | Yan Lee Holdings Ltd | Mobile batching plant |
CA2404707A1 (en) * | 2000-04-05 | 2001-10-18 | Advanced Concrete Innovations Inc. | Portable concrete plant |
WO2002032826A2 (en) * | 2000-10-13 | 2002-04-25 | Air Crete Block, Inc. | Method and apparatus for compressing lightweight concrete |
US6491421B2 (en) * | 2000-11-29 | 2002-12-10 | Schlumberger Technology Corporation | Fluid mixing system |
-
2004
- 2004-06-23 SE SE0401616A patent/SE0401616L/en unknown
-
2005
- 2005-05-20 WO PCT/SE2005/000741 patent/WO2006001743A1/en not_active Application Discontinuation
- 2005-05-20 EP EP05745006A patent/EP1758718B1/en active Active
- 2005-05-20 AT AT05745006T patent/ATE470546T1/en active
- 2005-05-20 CA CA2563383A patent/CA2563383C/en active Active
- 2005-05-20 AU AU2005257699A patent/AU2005257699B2/en active Active
- 2005-05-20 DE DE602005021783T patent/DE602005021783D1/en active Active
-
2007
- 2007-01-22 NO NO20070409A patent/NO331760B1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2006001743A1 * |
Also Published As
Publication number | Publication date |
---|---|
NO331760B1 (en) | 2012-03-19 |
SE526474C2 (en) | 2005-09-20 |
AU2005257699A1 (en) | 2006-01-05 |
CA2563383A1 (en) | 2006-01-05 |
SE0401616L (en) | 2005-09-20 |
EP1758718B1 (en) | 2010-06-09 |
NO20070409L (en) | 2007-01-22 |
SE0401616D0 (en) | 2004-06-23 |
ATE470546T1 (en) | 2010-06-15 |
DE602005021783D1 (en) | 2010-07-22 |
WO2006001743A1 (en) | 2006-01-05 |
AU2005257699B2 (en) | 2010-03-04 |
CA2563383C (en) | 2013-10-29 |
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