EP2832500A1 - Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter - Google Patents

Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter Download PDF

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Publication number
EP2832500A1
EP2832500A1 EP13178412.6A EP13178412A EP2832500A1 EP 2832500 A1 EP2832500 A1 EP 2832500A1 EP 13178412 A EP13178412 A EP 13178412A EP 2832500 A1 EP2832500 A1 EP 2832500A1
Authority
EP
European Patent Office
Prior art keywords
blasting
base plate
container
blasting material
compressed air
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
Application number
EP13178412.6A
Other languages
German (de)
English (en)
Other versions
EP2832500B1 (fr
Inventor
Marian Weger
Gerhard Weger
Peter Harts
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.)
Dry-Ice-Energy GmbH
Original Assignee
Dry-Ice-Energy GmbH
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
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Application filed by Dry-Ice-Energy GmbH filed Critical Dry-Ice-Energy GmbH
Priority to EP13178412.6A priority Critical patent/EP2832500B1/fr
Priority to EP14162595.4A priority patent/EP2832499A1/fr
Publication of EP2832500A1 publication Critical patent/EP2832500A1/fr
Application granted granted Critical
Publication of EP2832500B1 publication Critical patent/EP2832500B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0069—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with means for preventing clogging of the equipment or for preventing abrasive entering the airway

Definitions

  • the invention relates to a device for metering blasting material according to the preamble of claim 1 and a Strahlgutvortechnisch for blasting.
  • a device for metering of blasting material of the generic type and a blasting device for blasting material is for example in the EP 1 769 886 B1 described.
  • dry ice is used as blasting.
  • a hose is arranged, at the other end of a blasting gun is mounted.
  • a negative pressure is generated by means of the blasting gun, so that blasting material is sucked into the hose at the lower end of the storage container.
  • the promotion of the blasting material and the discharge from the compressed air gun are realized by means of a separate compressed air line.
  • the suction of the piece goods under certain conditions can be problematic, for example, if due to high humidity or other environmental conditions, the blasting clumped, so that suction of the blasting through the hose to the compressed air gun is no longer possible.
  • a crushing device is described by means of which such clumped blasting material is crushed in front of the intake manifold.
  • this device it is not possible with this device to dose the blasting accurately.
  • this device only clumps of the blasting material can be crushed, which are located directly above the intake manifold.
  • a clumping of the blasting material is so advanced that no more blasting slipping over the intake manifold, a further promotion of the blasting material is no longer possible.
  • this object is achieved by a device having all the features of claim 1 or claim 6.
  • the object is achieved by a blasting device with all features of claim 11.
  • Advantageous embodiments of the invention can be found in the subclaims.
  • the device according to the invention for metering blasting material has a comminuting device for blasting material and at least one passage opening for blasting material, the comminution device for blasting material being assigned to a base plate which has at least one comminution element which can be pivoted in a container of a blasting device for blasting material about a longitudinal axis of the container is.
  • the blasting material can be comminuted even in unfavorable environmental conditions, where it clumps, such as a dry ice pellets, when dry ice pellets are used as blasting, so that it can pass through the at least one passage opening of the metering and a continuous conveying of the blasting material is ensured with the most uniform possible flow rate.
  • the at least one crushing element is continuously rotated or pivoted through 360 °. Rather, it is also possible, the crushing element to pivot at an angle less than 360 °.
  • a further base plate on which at least one comminution element is arranged wherein preferably this further base plate and a first base plate surround the base plate having at least one comminution element in the manner of a sandwich pack.
  • the crushing effect of the device according to the invention is further increased, as this at least one further element is provided, which is moved through the container interior and thus by the blasting material and thus ensures the relaxation or crushing of the blasting with, so The dosage of the blasting material over the entire delivery period can be kept even better constant.
  • the comminution elements associated with the further base plate can essentially extend from the container inner wall almost into the center of the container in order to comminute or pass through as much as possible blasting material over the entire container cross section.
  • the comminution elements can be arranged substantially perpendicular to the container wall.
  • the crushing elements relative to the container wall or the longitudinal axis of the container at an angle not equal to 90 °, preferably an angle between 45 ° and 90 °, angled.
  • the area within the container for blasting material, in which the comminution elements can comminute or pass through the blasting material is increased again, so that a uniform metering due to the presence of very uniformly grained blasting material is further improved.
  • the at least one crushing element is automated, in particular electromotive, pneumatic or hydraulic pivotable. This makes it possible that a uniform pivoting corresponding to a useful rate for the blasting material or with a meaningful frequency and a Evenly over a longer period of time, so that the dosage over this period is correspondingly uniform.
  • At least one scraper element scraped along the inner wall of the container along a blasting device or at least spaced therefrom, and wherein said at least one scraper element is preferably pivoted during pivoting of the at least one comminuting element. It has proven to be useful that this scraping element is assigned to the second base plate. Due to the configuration of the invention with a scraping element, it is not only possible to dissolve clumps of the blasting material in the container interior in the region of its longitudinal axis in the lower region of the container or to shred the blasting material accordingly, but also clumps on the container inner wall. Thus, the container can be emptied almost completely during a blasting process, wherein the flow rate through the inventive device for metering over the entire delivery period is substantially constant.
  • the at least one scraping element can optionally be arranged directly on the at least one comminution element by means of an intermediate element. This makes it possible in a simple manner that the container in its cross section in the region of the device according to the invention for metering of the blasting grit can shred accordingly, so that it can pass through the passage opening of the device according to the invention.
  • at least the scraper elements not only in the lower region of the container to solve the blasting material from the container wall, but the at least one scraper element can also be designed such that it over the entire longitudinal extent of the container on the inner wall of the container along scraped or moved along it at a defined distance.
  • clumps which could occur in the upper region of the container are effectively released and correspondingly comminuted in the lower region of the container by the comminution device, so that an effective and continuous metering of the blasting material over the entire delivery period is ensured.
  • the device according to the invention for metering blasting material has a comminution device for blasting material and at least one passage opening for blasting material, wherein the latter at least one passage opening is variably adjustable in its cross section or has a plurality of openings of different sizes, which are formed individually and separately closable.
  • the comminution device for blasting material as part of the metering device ensures that the blasting material to be conveyed is always comminuted in such a way that it can pass through the at least one blasting material throughput opening and is therefore so small that it does not block the at least one throughflow opening.
  • the at least one passage opening is variably adjustable in its cross section to adjust a variety of flow rates can.
  • a first base plate and a second base plate wherein the first base plate has at least one opening which is designed to be displaceable against an opening of the second base plate.
  • these openings of the first and second base plate with their cross section are at least partially above one another and thus form the variably adjustable passage opening of the metering device according to the invention for blasting material, wherein both base plates are firmly fixed against each other.
  • the base plates have latching elements, in which they engage, if the cross section of the passage for blasting material is optimal for these pellet sizes or the dry ice snow. If a latching has occurred, the two base plates only have to be fixed against each other. A complex determination, which cross section is now set, is therefore not necessary. The determination of the cross section is simply possible by controlling which latching elements of the base plates are engaged.
  • the desired cross section of the passage opening can be set very quickly without expensive measurement.
  • These locking means can then be predefined corresponding to the desired pellet size of the blasting material, so that a quick and accurate adjustment of the cross section of the passage opening for the desired Strahlgutpellets is also possible blasting other than dry ice.
  • first base plate and / or the second base plate are rotationally symmetrical.
  • the adjustment of the cross section of the passage for blasting material can be adjusted particularly easily by the first base plate and the second base plate are rotated against each other.
  • both base plates it is not necessary for both base plates to be rotationally symmetrical at the same time. Rather, it is sufficient that only that base plate is rotationally symmetrical, which is rotated to move.
  • the adjustment which is arranged either on the first base plate or on the second base plate.
  • the arrangement of this adjustment depends in particular in the rotationally symmetrical formation of one of the base plates then, which base plate is rotationally symmetrical.
  • the adjustment as a displacement device for example, linear displacement of the base plates against each other or the like form.
  • the device according to the invention for metering blasting material while a lever is provided, with which the device can be pivoted within a blasting device for blasting material, preferably from outside the container for blasting.
  • the jet blasting device according to the invention has the above-described device for metering blasting material.
  • the blasting device comprises a container for receiving blasting material, at the lower end of a suction, preferably in the form of a funnel is arranged, wherein at the lower end of the Ansaug electnisses an intake opening is provided, to which a tubular or tubular Strahlgut effet for connecting a compressed air gun is connectable.
  • the device for metering blasting material as described above, is arranged between the container and the suction container.
  • the compressed air gun is adapted to promote in a first mode of operation only compressed air and to mix in a second mode of operation of the compressed air blasting material from the container of the blasting device.
  • the compressed air gun has a two-stage switch for setting the different operating modes.
  • an adjustment by means of which the admixture of the amount of blasting material in the second operating mode is adjustable.
  • the compressed air gun described above in the three paragraphs or the different operating modes can also be used independently of a previously described apparatus according to the invention for metering and comminuting blasting material in a blasting apparatus without such a device according to the invention for metering and comminuting blasting material.
  • FIG. 1 shows an embodiment of a device according to the invention for metering blasting material.
  • the device consists essentially of a first base plate 3 and a second base plate 4.
  • the base plate 3 is positively connected to a setting device 7, so that a rotation of the adjusting device 7 also has a rotation of the base plate 3 relative to the base plate 4 result.
  • the base plate 3 has three kidney-shaped openings 5, which can be rotated relative to the circular openings 6 of the base plate 4 by means of the adjusting device 7.
  • the kidney-shaped openings 5 By this rotation of the kidney-shaped openings 5 relative to the circular openings 2, it is possible to change the cross-section of passage openings 6, so that different delivery rates can be realized by the different cross-sections.
  • the base plate 3 relative to the base plate 4 in such a way, for example by a positive and / or frictional engagement, fixed, that the cross section of the passage openings 2 during delivery of blasting material can be set constant and unchangeable.
  • the second base plate 4 has in this embodiment crushing elements 8, on which intermediate elements 12 are arranged. At these intermediate elements 12 not shown here Schabieri can be arranged.
  • a lever 18, which is arranged on the second base plate 4 the device for metering blasting material can be pivoted in a container 9 for blasting. This makes it possible to crush the blasting material so that it fits for the intended application in any case by the set cross sections of the passage openings 2 and thus a continuous and constant flow rate can be guaranteed to blasting.
  • FIG. 2 is a further embodiment of a metering device according to the invention shown.
  • This embodiment has the first and second base plates described above, a third base plate 13 which on the second base plate 4 by means of screws 19, wherein only one screw 19 is indicated here, can be rotatably connected.
  • This third base plate 13 also has crushing elements 14 and is in their radial extent of different thickness.
  • the third base plate 13 runs from the outside to an opening 25 inwardly toward conically, so loose blasting material on this slope in the direction of the metering 2, and the openings 6 of the second Base plate 4 can "flow".
  • the entire shredding device 1 or the entire device for metering blasting material can be pivoted via the lever 18.
  • FIG. 2 In addition, a suction container 15 of a blasting device 10 is indicated, which will be described in more detail below and in which the metering device according to the invention can be used with its comminuting device 1.
  • FIG. 3 an embodiment of such a suction container 15 is shown.
  • the local intake 15 is formed substantially funnel-shaped and for receiving the metering of the FIG. 2 certainly.
  • the funnel-shaped intake container 15 has an intake opening 16, to which a blasting material line 17, not shown here, can be connected.
  • the lever 18 of the metering device can be led out through an opening 26 from the hopper of the suction container 15, so that the metering device within the hopper of the suction, for example by means of a not shown here motor, electromotive, pneumatic or hydraulic drive, which are connected to the lever 18 can, is pivotable.
  • FIG. 4 now shows the metering device of the invention FIG. 2 as installed in such a funnel of a suction container 15 of a jet device according to the invention.
  • the comminution elements 14 of the third base plate 13 and the comminuting elements 8 with the intermediate elements 12 of the second base plate 4 are pivotable by means of a drive via the lever 18 within the funnel of the suction container 15, wherein the comminution elements 14 of the third base plate 13 with respect to the longitudinal axis 11 of the container. 9 are not vertical, but are pivoted against it.
  • a Strahlgut Arthur 17 is already connected by means of which the blasting material, for example via a blasting gun, which generates the vacuum necessary for suction, for example by means of a compressed air line connected thereto, is passed.
  • the intake container 15 is already mounted in this embodiment on feet 21 which are fixedly connected to the intake 15. As a result, the blasting material line 17 can be led away directly below the suction container 15.
  • FIG. 5 shows a detailed representation of the embodiment of the FIG. 4 .
  • FIG. 6 a blasting device according to the invention is shown. This corresponds essentially to the FIG. 4 , in which case a container 9 for blasting material is now placed on the suction container 15. From the metering device according to the invention, only the lever 18 for pivoting the comminuting device 1 and the adjusting device 7 with its handle 20 can now be seen in this view.
  • FIG. 7 In the FIG. 7 is the blasting device 10 of the invention FIG. 6 mounted on a mobile cart 22.
  • the carriage 22 in this case has wheels 23, so that the entire blasting material device 10 is movable and thus mobile.
  • the container 9 for blasting material is covered in this embodiment with a cover 24.
  • This can be particularly useful when cold blasting material, such as dry ice, is used, and thus over the lid 24, a thermal insulation of the dry ice can be achieved with respect to the environment.
  • the container wall of the container 9 with respect to the environment can act thermally insulating, so that the temperature of the dry ice can be maintained in the container 9 for longer periods.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
EP13178412.6A 2013-07-29 2013-07-29 Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter Active EP2832500B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13178412.6A EP2832500B1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter
EP14162595.4A EP2832499A1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produits à projeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13178412.6A EP2832500B1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14162595.4A Division-Into EP2832499A1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produits à projeter
EP14162595.4A Division EP2832499A1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produits à projeter

Publications (2)

Publication Number Publication Date
EP2832500A1 true EP2832500A1 (fr) 2015-02-04
EP2832500B1 EP2832500B1 (fr) 2015-06-10

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EP13178412.6A Active EP2832500B1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter
EP14162595.4A Withdrawn EP2832499A1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produits à projeter

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EP14162595.4A Withdrawn EP2832499A1 (fr) 2013-07-29 2013-07-29 Dispositif de dosage de produits à projeter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020204841A1 (fr) * 2019-03-31 2020-10-08 Ics Ice Cleaning Systems S.R.O. Dispositif permettant de réduire la taille de granules de glace sèche destinées à des dispositifs de nettoyage à la glace sèche

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SK288682B6 (sk) 2015-08-29 2019-07-02 Ics Ice Cleaning Systems S. R. O. Zásobník suchého ľadu pre zariadenia na čistenie suchým ľadom

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652078A1 (fr) * 1993-10-22 1995-05-10 Cold Jet, Inc. Dispositif d'alimentation de particule
EP1769886B1 (fr) 2005-09-28 2008-10-01 zeintra AG Dispositif de sablage à glace carbonique
EP2420353A1 (fr) * 2010-08-16 2012-02-22 desisa GmbH Dispositif et procédé destinés au dépôt de glace sèche
DE102011106860A1 (de) * 2011-07-07 2013-01-10 Tq-Systems Gmbh Verarbeitungsmaschine für Trockeneis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036557A1 (de) * 2000-07-27 2002-02-07 Juergen Von Der Ohe Verfahren und Vorrichtung zum Reinigen von Flächen
US7040959B1 (en) * 2004-01-20 2006-05-09 Illumina, Inc. Variable rate dispensing system for abrasive material and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652078A1 (fr) * 1993-10-22 1995-05-10 Cold Jet, Inc. Dispositif d'alimentation de particule
EP1769886B1 (fr) 2005-09-28 2008-10-01 zeintra AG Dispositif de sablage à glace carbonique
EP2420353A1 (fr) * 2010-08-16 2012-02-22 desisa GmbH Dispositif et procédé destinés au dépôt de glace sèche
DE102011106860A1 (de) * 2011-07-07 2013-01-10 Tq-Systems Gmbh Verarbeitungsmaschine für Trockeneis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020204841A1 (fr) * 2019-03-31 2020-10-08 Ics Ice Cleaning Systems S.R.O. Dispositif permettant de réduire la taille de granules de glace sèche destinées à des dispositifs de nettoyage à la glace sèche

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Publication number Publication date
EP2832500B1 (fr) 2015-06-10
EP2832499A1 (fr) 2015-02-04

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