EP1364700A2 - Device for cleaning concrete mixers - Google Patents
Device for cleaning concrete mixers Download PDFInfo
- Publication number
- EP1364700A2 EP1364700A2 EP03380116A EP03380116A EP1364700A2 EP 1364700 A2 EP1364700 A2 EP 1364700A2 EP 03380116 A EP03380116 A EP 03380116A EP 03380116 A EP03380116 A EP 03380116A EP 1364700 A2 EP1364700 A2 EP 1364700A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- lid
- pipe
- main axle
- hollow main
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 9
- 230000001483 mobilizing effect Effects 0.000 claims abstract description 4
- 238000009987 spinning Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- 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
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
- B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
Definitions
- the present invention refers to a device for vigorous cleaning of the inside of concrete mixers, and in particular, for cleaning the paddle, the element which does the mixing.
- Devices for cleaning concrete mixers do exist and consist in an array of fixed pipes containing orifices for spraying a cleaning fluid onto the elements of the mixer most likely to get dirty.
- This solution has the drawing that the fluid is always sprayed onto the same parts and the cleaning process is therefore never complete, and there is also the problem that even though the paddle is moving, several nozzles are always needed, at least 3 or 4, and more nozzles are required if the area to be cleaned increases, incurring an additional cost of installing and maintaining several nozzles and distributors for the operation thereof.
- An object of the present invention is to provide a device for cleaning concrete mixers which is a permanent and integral part thereof, producing a vigorous projection of cleaning fluid that reaches all parts of the inside of the mixer using a single nozzle.
- a device which can be incorporated in the lid sealing the upper part of the drum, which is the outer container of the mixer, and which basically consists in a hollow main axle whose rotating action is driven by a motor, the lower part of the axle extending out at a right-angle into an arm with a nozzle holder at the end and a nozzle which can accommodate a plurality of spray orifices, which spins freely in the nozzle holder.
- a first pipe runs along the inside of the main axle, whose upper part connects to the external supply of cleaning fluid via a rotary connector, while a cleaning fluid supply tube leads out from its lower part, which is inside the mixer, and ends in a mobile chamber in the nozzle holder.
- the spray orifices on the nozzle are connected to a second internal pipe, which leads to the mobile chamber in the nozzle holder, enabling the cleaning fluid to be projected through the nozzle spray orifices, with the fluid entering the hollow axle via the rotary connector.
- the rotating arm with the nozzle holder on the end is moved by a motor and, in turn, the nozzle is forced to spin around its longitudinal axis, by sufficient mobilization which is automatically produced using the circular movement of the rotating arm.
- This means of mobilization may, preferably, consist of a single chain engaging with a fixed cog, which forms part of the mixer lid, and with a mobile cog, which is an integral part of the nozzle.
- the mixer cleaning device (1) is situated on the lid (17) covering the drum (3), which is the external container of the mixer.
- a freely rotating, hollow main axle (5) passes through the lid (17), guided on bearings (26), producing a first pipe (24) which is connected to a fixed chamber (21) situated on a rotary connector (11) to which the external supply of cleaning fluid is connected.
- the hollow main axle (5) extends out at a right-angle from its lower part into a rotating arm (6) which moves with the hollow main axle (5), when the latter is powered by a motor (4) via a drive gear (18) and a driven gear (19).
- the end of the rotating arm (6) extends into a nozzle holder (13) containing a freely-spinning nozzle (14) with a plurality of spray orifices (20), whose upper part ends in a mobile cog (8) with which a chain engages (9), the chain being coupled to a fixed cog (10) which forms part of the lid (17).
- a supply tube (12) connects the first pipe (24) of the hollow main axle (5) to the mobile chamber (22) in the nozzle holder (13).
- Both the hollow main axle (5) and the nozzle (14) are fitted with watertight joints (23).
- the device functions as follows: when the paddle (2) is to be cleaned, as it has become clogged up as it turns, during the concrete mixing process driven by the paddle mechanism (16), the motor (4) is activated at the same time the rotary connector (11) is fed with cleaning fluid.
- the fluid enters the fixed chamber (21) passing to the first pipe (24) of the hollow main axle (5) and, via the supply tube (12) to the mobile chamber (22) in the nozzle holder (13), reaching the spray orifices (20) connected to the second pipe (24).
- a vigorous projection of fluid (15) thus reaches all parts of the inside of the mixer (1), caused by the spinning movement of the nozzle (14) (around the hollow main axle (5) and around its own axis).
- the projections from the nozzle (14) are infinite and always spray in different directions.
- the rotary connector (11), the hydraulic part of the nozzle holder (13) and, the whole circuit in general through which the cleaning fluid flows, can be produced in a variety of ways that do not affect the essential nature of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Accessories For Mixers (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
- The present invention refers to a device for vigorous cleaning of the inside of concrete mixers, and in particular, for cleaning the paddle, the element which does the mixing.
- Devices for cleaning concrete mixers do exist and consist in an array of fixed pipes containing orifices for spraying a cleaning fluid onto the elements of the mixer most likely to get dirty. This solution has the drawing that the fluid is always sprayed onto the same parts and the cleaning process is therefore never complete, and there is also the problem that even though the paddle is moving, several nozzles are always needed, at least 3 or 4, and more nozzles are required if the area to be cleaned increases, incurring an additional cost of installing and maintaining several nozzles and distributors for the operation thereof.
- An object of the present invention is to provide a device for cleaning concrete mixers which is a permanent and integral part thereof, producing a vigorous projection of cleaning fluid that reaches all parts of the inside of the mixer using a single nozzle.
- To achieve the proposed object, a device has been developed which can be incorporated in the lid sealing the upper part of the drum, which is the outer container of the mixer, and which basically consists in a hollow main axle whose rotating action is driven by a motor, the lower part of the axle extending out at a right-angle into an arm with a nozzle holder at the end and a nozzle which can accommodate a plurality of spray orifices, which spins freely in the nozzle holder.
- A first pipe runs along the inside of the main axle, whose upper part connects to the external supply of cleaning fluid via a rotary connector, while a cleaning fluid supply tube leads out from its lower part, which is inside the mixer, and ends in a mobile chamber in the nozzle holder. The spray orifices on the nozzle are connected to a second internal pipe, which leads to the mobile chamber in the nozzle holder, enabling the cleaning fluid to be projected through the nozzle spray orifices, with the fluid entering the hollow axle via the rotary connector.
- As already explained, the rotating arm with the nozzle holder on the end is moved by a motor and, in turn, the nozzle is forced to spin around its longitudinal axis, by sufficient mobilization which is automatically produced using the circular movement of the rotating arm. This means of mobilization may, preferably, consist of a single chain engaging with a fixed cog, which forms part of the mixer lid, and with a mobile cog, which is an integral part of the nozzle.
- To complement the above description and provide a better understanding of the characteristics of the invention, a detailed description is given of a preferred embodiment, using a set of drawings attached to this specification in which the following figures are represented (given as a guide only and are in no way restrictive).
- Figure 1
- shows a schematic ground view of the device being the object of this invention.
- Figure 2
- shows a schematic elevational cross-section view of the invention device, showing in detail the rotary cleaning-fluid supply connector unit and the nozzle situated on the end of the rotating arm.
- In these figures, the numerical references correspond to the following parts and elements:
- 1. Mixer
- 2. Paddle
- 3. Drum
- 4. Motor
- 5. Hollow main axle
- 6. Rotating arm
- 8. Mobile cog
- 9. Chain
- 10. Fixed cog
- 11. Rotary connector
- 12. Supply tube
- 13. Nozzle holder
- 14. Nozzle
- 15. Fluid projection
- 16. Paddle mechanism
- 17. Lid
- 18. Drive gear
- 19. Driven gear
- 20. Spray orifices
- 21. Fixed chamber
- 22. Mobile chamber
- 23. Watertight joints
- 24. First pipe
- 25. Second pipe
- 26. Bearings
-
- As can be seen in Figures 1 and 2, the mixer cleaning device (1) is situated on the lid (17) covering the drum (3), which is the external container of the mixer. A freely rotating, hollow main axle (5), passes through the lid (17), guided on bearings (26), producing a first pipe (24) which is connected to a fixed chamber (21) situated on a rotary connector (11) to which the external supply of cleaning fluid is connected. The hollow main axle (5) extends out at a right-angle from its lower part into a rotating arm (6) which moves with the hollow main axle (5), when the latter is powered by a motor (4) via a drive gear (18) and a driven gear (19).
- The end of the rotating arm (6) extends into a nozzle holder (13) containing a freely-spinning nozzle (14) with a plurality of spray orifices (20), whose upper part ends in a mobile cog (8) with which a chain engages (9), the chain being coupled to a fixed cog (10) which forms part of the lid (17).
- A supply tube (12) connects the first pipe (24) of the hollow main axle (5) to the mobile chamber (22) in the nozzle holder (13).
- Both the hollow main axle (5) and the nozzle (14) are fitted with watertight joints (23).
- The device functions as follows: when the paddle (2) is to be cleaned, as it has become clogged up as it turns, during the concrete mixing process driven by the paddle mechanism (16), the motor (4) is activated at the same time the rotary connector (11) is fed with cleaning fluid. The fluid enters the fixed chamber (21) passing to the first pipe (24) of the hollow main axle (5) and, via the supply tube (12) to the mobile chamber (22) in the nozzle holder (13), reaching the spray orifices (20) connected to the second pipe (24).
- A vigorous projection of fluid (15) thus reaches all parts of the inside of the mixer (1), caused by the spinning movement of the nozzle (14) (around the hollow main axle (5) and around its own axis). The projections from the nozzle (14) are infinite and always spray in different directions.
- It will be obvious to those skilled in the art, that determined variants and modifications, allowing the device to be adapted to different manufacturing methods and paddle design, will comply with the claim. For example, in the specification of preferred embodiment, a means of mobilizing the nozzle (14) has been given in the form of a chain (9), but any equivalent mechanism such as a gear pair or a flat or toothed belt on pulleys, could have been used.
- Similarly, the rotary connector (11), the hydraulic part of the nozzle holder (13) and, the whole circuit in general through which the cleaning fluid flows, can be produced in a variety of ways that do not affect the essential nature of the invention.
Claims (3)
- Device for cleaning concrete mixers, characterized in that it comprises:a lid (17) which forms part of the external container of the mixer (1),a hollow main axle (5) which, passing through the lid (17), is forced to rotate on its axis by a motor (4), with a first pipe (24) inside, which is fed with cleaning fluid via a rotary connector (11), and an extension at a right-angle in the form of a rotating arm (6) with a nozzle holder (13) situated on the end,a nozzle (14), which spins freely in the nozzle holder (13), with a second pipe (25) inside, connected to a plurality of spray orifices (20) and connected to a mobile chamber (22) in the nozzle holder (13),a supply tube (12) which connects the first pipe (24) of the hollow main axle (5) to the mobile chamber (22) in the nozzle holder (13),means of mobilizing the nozzle (14) on its axis, when making a circular movement, driven by the rotating arm (6).
- Device for cleaning concrete mixers, according to claim 1, characterized in that the rotary connector (11) includes a fixed chamber (21) connected to the cleaning fluid supply, which connects to the first pipe (24) of the hollow main axle (5).
- Device for cleaning concrete mixers, according to claim 1, characterized in that the means of mobilizing the nozzle (14) on its axis comprises a chain (9) which engages with a fixed cog (10) which forms part of the lid (17), and with a mobile cog (8), which is an integral part of the nozzle (14).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200201191A ES2223224B1 (en) | 2002-05-24 | 2002-05-24 | DEVICE FOR CLEANING CONCRETE MIXERS. |
ES200201191 | 2002-05-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1364700A2 true EP1364700A2 (en) | 2003-11-26 |
EP1364700A3 EP1364700A3 (en) | 2005-07-13 |
EP1364700B1 EP1364700B1 (en) | 2006-10-04 |
Family
ID=29286312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03380116A Expired - Lifetime EP1364700B1 (en) | 2002-05-24 | 2003-05-13 | Device for cleaning concrete mixers |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1364700B1 (en) |
AT (1) | ATE341390T1 (en) |
DE (1) | DE60308747D1 (en) |
ES (1) | ES2223224B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2428389A (en) * | 2004-11-11 | 2007-01-31 | Rapid Internat Ltd | Cleaning system for a concrete mixer |
CN113198379A (en) * | 2021-05-12 | 2021-08-03 | 曹仲欧 | A blendor for production of lithium cell electrode |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110860240A (en) * | 2018-08-28 | 2020-03-06 | 崇州安多建材有限公司 | Self-cleaning formula biconical blendor for building |
CN111605076B (en) * | 2020-06-05 | 2021-01-05 | 青岛润鑫腾建材科技有限公司 | Mix earth stirring and cleaning equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246041A (en) * | 1975-05-28 | 1981-01-20 | Rhone-Poulenc Industries | Method and apparatus for cleaning a rotary agitator in a reactor |
DE3114307A1 (en) * | 1981-04-09 | 1982-10-28 | Alfred Kärcher GmbH & Co, 7057 Winnenden | Cleaning device for the mixing chamber of a concrete mixer |
EP0608191A1 (en) * | 1993-01-20 | 1994-07-27 | Mebi Production S.A. | Concrete mixer with high pressure washing device |
JPH08192420A (en) * | 1994-09-30 | 1996-07-30 | Taiheiyo Kiko Kk | Method and apparatus for washing concrete mixer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3001534A (en) * | 1959-08-05 | 1961-09-26 | Jr Edward D Grant | Tank car cleaning apparatus |
FR2638107B1 (en) * | 1988-10-21 | 1991-07-26 | Duflos Tech Indles Sarl | IMPROVEMENTS IN DEVICES FOR TREATING CAVITY AND IN PARTICULAR FOR CLEANING TANKS BY SPRAYING PRESSURE FLUID |
JPH04161303A (en) * | 1990-10-25 | 1992-06-04 | Masato Ohori | Cleaning device for kneading container for cement or the like |
-
2002
- 2002-05-24 ES ES200201191A patent/ES2223224B1/en not_active Expired - Fee Related
-
2003
- 2003-05-13 AT AT03380116T patent/ATE341390T1/en not_active IP Right Cessation
- 2003-05-13 DE DE60308747T patent/DE60308747D1/en not_active Expired - Lifetime
- 2003-05-13 EP EP03380116A patent/EP1364700B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246041A (en) * | 1975-05-28 | 1981-01-20 | Rhone-Poulenc Industries | Method and apparatus for cleaning a rotary agitator in a reactor |
DE3114307A1 (en) * | 1981-04-09 | 1982-10-28 | Alfred Kärcher GmbH & Co, 7057 Winnenden | Cleaning device for the mixing chamber of a concrete mixer |
EP0608191A1 (en) * | 1993-01-20 | 1994-07-27 | Mebi Production S.A. | Concrete mixer with high pressure washing device |
JPH08192420A (en) * | 1994-09-30 | 1996-07-30 | Taiheiyo Kiko Kk | Method and apparatus for washing concrete mixer |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 11, 29 November 1996 (1996-11-29) & JP 08 192420 A (TAIHEIYO KIKO KK), 30 July 1996 (1996-07-30) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2428389A (en) * | 2004-11-11 | 2007-01-31 | Rapid Internat Ltd | Cleaning system for a concrete mixer |
CN113198379A (en) * | 2021-05-12 | 2021-08-03 | 曹仲欧 | A blendor for production of lithium cell electrode |
Also Published As
Publication number | Publication date |
---|---|
EP1364700B1 (en) | 2006-10-04 |
ES2223224B1 (en) | 2006-05-16 |
DE60308747D1 (en) | 2006-11-16 |
ES2223224A1 (en) | 2005-02-16 |
ATE341390T1 (en) | 2006-10-15 |
EP1364700A3 (en) | 2005-07-13 |
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