EP2605887B1 - Dispositif et procédé pour distribuer de la glace sèche - Google Patents

Dispositif et procédé pour distribuer de la glace sèche Download PDF

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Publication number
EP2605887B1
EP2605887B1 EP11745962.8A EP11745962A EP2605887B1 EP 2605887 B1 EP2605887 B1 EP 2605887B1 EP 11745962 A EP11745962 A EP 11745962A EP 2605887 B1 EP2605887 B1 EP 2605887B1
Authority
EP
European Patent Office
Prior art keywords
dry ice
plate
snow
insert plate
storage container
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.)
Active
Application number
EP11745962.8A
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German (de)
English (en)
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EP2605887A1 (fr
Inventor
Juerg Solenthaler
Max Zeintl
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Desisa GmbH
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Desisa GmbH
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Publication date
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Priority to EP11745962.8A priority Critical patent/EP2605887B1/fr
Publication of EP2605887A1 publication Critical patent/EP2605887A1/fr
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    • 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
    • B24C7/0069—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 and a method for dispensing either dry ice snow or dry ice pellets with the features of the preamble of the independent claims.
  • pellets dry ice granules
  • the compressed air can be used simultaneously to move the intake by means of a pneumatic arrangement back and forth.
  • a pneumatic arrangement back and forth.
  • Such a method and a corresponding device are, for example, in EP 1 769 886 shown.
  • Dry ice snow in the present application is understood to mean an accumulation of loosely connected CO2 crystals.
  • the density ratio of pellets and snow is approximately 1: 2/3.
  • CO2 snow blasting Due to the lower kinetic energy of the carbon dioxide particles, CO2 snow blasting is a significantly less abrasive process as the pellet blasting and therefore suitable for cleaning sensitive surfaces. On the other hand, pellet blasting is better for heavy soiling and for coarser cleaning. Consequently, the two methods complement each other.
  • the snow can also be thrown against a surface to be cleaned by a hose with a blasting gun provided at the free end of the hose ("blasting").
  • CO2 snow especially after prolonged storage, due to gravity, heating and / or accumulation of condensation tends to clump and is therefore less or no longer eligible.
  • the clumping can also be prevented by the dry ice is swirled in a nozzle and the snow is generated only when it exits the nozzle, such as in EP 1 843 874 is shown.
  • the dry ice snow container can be vibrated, such as in US 3670516 or in the WO 2006/083890 which discloses an apparatus and a method according to the preambles of claims 1 and 11, or which is conveyed dry ice, such as in US 3786644 exposed to an electric field, so that discharge of electrostatically charged dry ice particles.
  • devices for dispensing dry ice pellets and dry ice snow are fundamentally different, so that if both processes are desired for surface cleaning, two different systems must be procured.
  • the device according to the invention and the method according to the invention should also make it possible to create a device which is space-saving and cost-effective in the simplest possible way.
  • a possibility is sought to convert an existing device for dispensing dry ice pellets simply and cost-effectively to a device for dispensing dry ice snow and / or for dispensing dry ice snow or dry ice pellets. According to the invention, this object is achieved with devices and methods having the features of the independent patent claims.
  • the plate is there-provided with passage openings.
  • the plate which can be used in a storage container for holding dry ice snow, serves mainly for loosening and dosing of the dry ice snow.
  • the dry ice snow lies on the plate and can fall in portions through the openings. The clumping of dry ice snow is thereby prevented.
  • the insert plate may have a flat, self-supporting structure and be formed brett- or sheet-like.
  • the plate may also have a frame structure in which a sieve or a perforated plate is accommodated.
  • the plate may be provided with a support element, in particular a support ring.
  • the support element is preferably not firmly connected to the plate.
  • a support element placed on the plate ensures that the plate moved upwards, for example with compressed air, is pushed down again by the gravitational effect of the support element. Since the support element is not, or at least not rigidly, connected to the plate, it is catapulted vertically upward during the upward movement of the plate. The falling back of the support element on the plate ensures that this resumes its initial position. The support element strikes when falling back onto the insert plate and the resulting jolt causes dry ice lying on the plate to fall through the passage openings. At the same time, dry ice snow between the support element and the insert plate is pressed through the passage openings.
  • the insert plate may also be fixedly mounted in an inner container which is movable relative to the reservoir.
  • the plate is preferably provided with a stop element on which acts in the promotion of dry ice snow a vibrating element.
  • the stop element advantageously has a stop surface for this purpose.
  • the insert plate may also be connected to an air intake tube.
  • the air intake tube may be an elongate shaped solid member having openings at both ends which is hollow internally.
  • the tube may be cylindrically shaped and / or have at least one constant cross-sectional area along the longitudinal axis.
  • the aspiration tube provides a preferred path for air drawn in with dry ice.
  • the insertion plate is connected to a stop body, which has a stop surface.
  • the plate can be shaken in this case by direct abutment of the stop surface.
  • the plate may also have a spike which projects into the air intake tube and / or into the outlet opening.
  • the mandrel ensures axial guidance.
  • the insertion of the plate ensures that a device for cleaning with dry ice pellets, such as in EP 1 769 886 described converted to a device for cleaning with dry ice snow.
  • a plate inserted in such a device prevents, due to the sieving effect of the plate, that dry ice snow filled in instead of dry ice pellets clumps together during the conveying process.
  • the loosened snow is conveyed through the passage openings due to the shaking movement.
  • the combination of dry ice pellet cleaner and insert plate thus represents a device for cleaning with both dry ice pellets and dry ice snow.
  • the plate comprises a sieve or grid, which is for example covered by a frame.
  • the size and arrangement of the passage openings influence the passage rate and the spatial distribution of the dry ice snow.
  • the size and arrangement of the passage openings and the plate are preferably adapted to the geometry of the reservoir and / or the outlet opening.
  • the device is designed such that an insertion plate with passage openings, in particular as described above, is provided.
  • the plate is located inside the storage container and divides the storage container into two areas, wherein in the first region is the, in particular unsliced and more compact, dry ice snow and in the second region of the conveyed through the plate, in particular loosened, snow.
  • the storage container is suitable for receiving, for example, previously produced dry ice cream or previously produced dry ice pellets.
  • the insert plate is an insertable and removable plate.
  • the vibrating means may be a vibrating means driven mechanically, hydraulically, pneumatically, electromagnetically or piezoelectrically.
  • the insert plate can be shaken for example by mechanical shocks or by means of ultrasound.
  • the stripping means may be, for example, a scraping tool, a squeegee or a brush, by means of which the snow, similar to a Passevite, is pressed through the passage openings.
  • the reservoir is made of thermally insulating material, whereby the melting or Sublimiervorgang of the snow is significantly slowed down. The dry ice snow must therefore be refilled less frequently.
  • the setting of the shaker frequency and / or the stripping frequency allows the dosage of the amount of snow conveyed through the plate per time.
  • the device also has an apparatus for producing dry ice.
  • the device is preferably so small and lightly dimensioned that it can be transported by hand.
  • the device has for example roles or is transportable on a cart.
  • Device with insertion plate is the Rüttelstoff a direct or indirect acting on the plate shock device.
  • the insert plate may be spring-mounted or overlying.
  • the impact device may comprise a hammer, for example, periodically acting on the plate, which vibrates the, for example, spring-mounted, plate vibrated. As a result, continuous trickling of dry ice snow can be achieved.
  • the reservoir itself by means of the Rüttelstoffs be vibrated.
  • An outside of the reservoir attached shaking means can shake the reservoir.
  • a preferably spring-mounted plate can be shaken.
  • An externally mounted vibration means could be a shock device, which in particular acts with periodic poking on the reservoir.
  • the vibration frequency is preferably between 1 and 10 Hz.
  • the vibration amplitude of the plate is preferably between 1 and 20 mm.
  • the reservoir is connected to a compressed air device, by means of which the conveyed material can be discharged.
  • the container may be provided with a delivery line, in particular a flexible tube, which at one end with the Container and connected at the other end with a compressed air gun.
  • a negative pressure in the tube can be generated by means of the compressed air device, whereby, for example, sucked through the insert plate snow or dry ice pellets can be sucked and discharged through the compressed air gun.
  • the delivery line can be designed as a freely movable intake manifold and be controlled with an oscillation valve.
  • the intake manifold can then act as a jar against a stop surface on the insert plate or the reservoir.
  • the at least one selection element for fixing pellets as material to be conveyed may be an admixing element, in particular located completely inside the reservoir, which is preferably movable back and forth parallel to an axis.
  • the mixing element is, for example, a rod or a tube on which radial star-shaped transverse elements are mounted perpendicular to the axis and serve for centering. By means of the mixing element can be prevented that dry ice pellets stick together and block the device.
  • the blending element may also have an abutment surface against which a movable intake manifold strikes during operation, thereby smashing dry ice pellets or lumps of dry ice pellets.
  • the admixing element further comprises a spigot extending into the intake manifold, which prevents wedging of the pellets in the intake manifold and keeps the intake opening of the intake manifold free.
  • the mixing element is connected to an inner container.
  • a user opts for another selection element and, for example, removes the blending element to insert an insert plate into the container, he can use the blending element and the inner container to remove the remaining pellets remaining in the container. Conversely, he can fill with the mixing element equal pellets in the container, if he has already given this in the inner container.
  • a switch attached to the device is provided as the selection element, which adjusts the vibrating and / or brushing means according to the desired conveying mode. For example, a certain shaking frequency and / or vibration amplitude can be set for the promotion of dry ice snow and another for the promotion of dry ice pellets.
  • the device serves to convey pellets or dry ice snow.
  • the device is provided with a suction device.
  • a suction device For example, dry ice snow may be blasted onto a surface, such as the interior of a vehicle, while simultaneously aspirating the sublimated CO2 gas and the debris released by blasting.
  • the suction is arranged so that it can be blasted with the dry ice jet as far as possible in a region which is covered by the suction.
  • the arrangement of dry ice blasting device and suction or blower is preferably chosen so that the detached pollution can get as directly as possible from the interior, for example the vehicle interior or engine compartment.
  • either dry ice snow or dry ice pellets are selected as conveyed material in a first step and are deposited in particular in the storage container.
  • the type of funding is determined according to the selection of the conveyed goods.
  • the conveyed material located in the storage container can be conveyed and discharged according to the selected type of delivery.
  • the choice of the type of delivery is to use a mixing element in the choice of dry ice pellets as conveyed or to use in the choice of dry ice snow as described above plate with passage openings.
  • the conveying mode is correspondingly the shaking of a mixing element or the shaking of an insert plate with passage openings with a shaking means such as described above.
  • a compressed air arrangement is preferably used, for which purpose in particular a negative pressure in the storage container is generated.
  • an insert plate with passage openings is used for conveying dry ice snow in a device for cleaning with dry ice.
  • this device can be easily converted for an alternative application, namely the cleaning of sensitive surfaces, or a cleaning device with dry ice pellets becomes a cleaning device with both dry ice pellets and dry ice snow upgraded.
  • the method is particularly suitable for cleaning of limited indoor spaces, such as the engine compartment of a vehicle or aircraft or the interior or the cabin of a vehicle or aircraft.
  • the dry ice can be added for this purpose, a fragrance and / or care agent.
  • FIG. 1 schematically shows the structure of an inventive device 1 for cleaning with dry ice, which also from the prior art, for example EP 1 769 88 is known.
  • the device 1 comprises a compressed air device 101, a reservoir 10 for receiving dry ice T and a compressed air device 101 driven by the pneumatic cylinder 14.
  • the dry ice T is located in the reservoir 10 and is guided by the compressed air device 101 in a compressed air gun 31, which is connected to an intake 11 generates a negative pressure.
  • the dry ice T reaches a surface to be cleaned at high speed ("blasting").
  • FIGS. 2 to 10 each show a section of a like in FIG. 1 shown, but modified according to the invention, each of which a reservoir 10 provided with a Rüttelstoff 102, coating compositions 103 or a selection element in each case shows a variant for the promotion of dry ice.
  • FIG. 2 shows the reservoir 10 and as a selection element 104 for the promotion of pellets a mixing element 15 with an air supply pipe 16 through which air is sucked and in which humidity can condense.
  • the vibrating means 102 comprises in this case the pneumatic cylinder 14 connected to a along the longitudinal direction L up and down moving intake 11. At the end of the upward movement of the intake manifold 11 strikes a stop surface 13. Dry ice pellets, which between the intake manifold 11 and the stop surface 13th are crushed due to the reciprocating motion of the intake manifold 11 and sucked through the intake manifold 11.
  • a mandrel 118 ensures that no pellets wedge in the Ansaustutzen 11 and the outlet opening remains free.
  • the vibrating means 102 comprises the pneumatic cylinder 14 connected to the intake manifold 11 moving up and down along the longitudinal direction L.
  • the impingement of the intake manifold 11 on the impact body 107 causes the insertion plate 105a to vibrate. Dry ice snow on the plate 105a is thereby screened through the passage openings 106 not explicitly shown in the figure and sucked off through the intake pipe 11.
  • the impactor body 107 may have an obtuse mandrel not shown in the figure.
  • an insertion plate 105b with impact body 107b which additionally has a mandrel 118 extending into the intake manifold 11.
  • the mandrel 118 serves to guide the reciprocating motion since the insertion plate 105b has a smaller diameter than the inner opening of the reservoir 10 in the cylindrical portion.
  • the insert plate 105b sits in the rest position in the conical region of the reservoir 10 and divides the container into two areas.
  • an insert plate 105c which has a greater thickness and therefore is constructed solid and shockproof. A impact body is not necessary.
  • the mandrel 118 extending into the intake manifold 11 is attached directly to the insert plate 105c.
  • the insert plate 105c may have passage openings. In the present example, the diameter of the insert plate 105c is smaller than the inner diameter of the reservoir 10 in the cylindrical portion.
  • the insert plate 105 c has no Druchlassö réelleen, since the dry ice snow can slip past the insert plate 105 c in the intake manifold 11.
  • FIG. 4 shows a reservoir of an inventive device, wherein as a selection element 134 is connected to an inner container 109
  • Advicemischelement 15 for conveying dry ice pellets is provided.
  • FIG. 5 shows a reservoir of a device according to the invention, wherein as a selector member 144 is connected to an inner container 109 insertion plate 105 for conveying dry ice snow is provided. When replacing the selection element At the same time, the remaining snow remaining in the inner container 109 is removed from the device.
  • the inner container 109 is movable relative to the container 10. He is in particular so attached that he has over the reservoir 10 game, so that the entire inner container 109 is vibrated.
  • the vibrating means 102 comprises in this case the pneumatic cylinder 14 connected to the up and down along the longitudinal direction L intake manifold 11 by the impact of the intake manifold 11 on the impact body 107, the insert plate 105 is vibrated together with the inner container 109. Dry ice snow on the plate 105 is thereby screened through the passage openings 106, which are not explicitly shown in the figure, and sucked off through the intake connection 11.
  • the reservoir can receive 10 21 dry ice, corresponding to 1 kg of dry ice snow or 1.5 kg dry ice pellets.
  • the reservoir has approximately an inner diameter of 150 mm and a height of 160 mm.
  • an inner container 109 with an insert plate 105 is preferably placed in the reservoir 10.
  • the inner container 109 comprises a cylindrical 117 and a conical part 110, which are made of Polyelthylen.
  • the wall thickness of the inner container 109 is about 10 mm and the height of the conical part 110 about 40 mm.
  • the insert plate 105 is sandwiched between the cylindrical 117 and the conical 110 part.
  • the insertion plate 105 is preferably one Square mesh made of stainless steel with a mesh size of 3 mm.
  • the pneumatic cylinder 14 is operated at a frequency of 1-20 Hz and it provides for an axial amplitude of movement of the inner container 109 of about 1-20 mm, the dry ice snow results in a delivery rate of about 5-10 kg / h.
  • the inner container with insertion plate can as an alternative selection element 104 as in FIG. 2 shown blending element 15 in the reservoir 10 or a, as in FIG. 4 shown, mounted in an inner container 109 Aufmischelement 15 are arranged.
  • the device 1 can then be used to convey pellets.
  • the device can thus be used both for cleaning sensitive surfaces (selection element inner container with insert plate for conveying dry ice snow) and for cleaning heavily soiled or few sensitive surfaces (selection element mixing element for promoting dry ice pellets).
  • FIG. 6 also shows a reservoir 10 with an insert plate 105, which is supported here by springs, as a selection element 154.
  • the insert plate 105 is additionally provided with a support element, here a support ring, 108.
  • the support ring is not connected to the insertion plate 105 and pushes the plate 105 moved upwards again by its gravitational effect. Since the ring is not or at least not rigidly connected to the plate, it is catapulted vertically upward during the upward movement of the plate 105. The falling back of the ring 108 on the plate 105 ensures that it moves down again. The ring 108 beats falling back on the insert plate 105 and the resulting jerk leaves lying on the plate 105 dry ice through the passage openings 106 fall. At the same time, dry ice snow between ring 108 and plate 105 is forced through the ports.
  • the support element 108 is preferably a metal or plastic ring having a wall thickness between 5 and 20 mm, preferably about 10 mm, and a height between 40 and 60 mm, preferably about 50 mm.
  • the shaking means 102 comprises a pneumatic cylinder 14. This is connected to a thrust device acting from above, in the vorligenden example a hammer 114 which is along the longitudinal direction L up and down movable.
  • the selection element 164 is in the present case an insertion plate 105 with passage openings 106.
  • the insert plate 105 is vibrated. Dry ice on the plate is thereby sifted through the plate 105 and sucked through an intake 11.
  • either dry ice snow or dry ice pellets can be promoted in this way.
  • the shaking means 102 comprises an ultrasonic device 17. This is connected to a top-acting impact device which moves a connecting rod along the longitudinal direction L up and down.
  • the selection element 174 is an insertion plate 105 with Through openings 106.
  • the connecting rod is coupled directly to the insertion plate 105, so that the insertion plate 105 is shaken with a movement of the rod. Dry ice snow on the plate is thereby sifted through the plate 105 and sucked through an intake 11.
  • the inner container 109 is in particular mounted so that he has play against the reservoir 10, so that the entire inner container is vibrated.
  • the inner container 109 comprises a cylindrically shaped upper part 117 and a conically shaped lower part 110, which has at least one outlet opening 116.
  • the vibrating means 102 comprises a pneumatic cylinder 14 and is connected to a shock device acting from above on the inner container 109, in particular on the conical part 110, in the present example with a hammer 114. The hammer 114 is moved up and down by the pneumatic cylinder 14 along the longitudinal axis L.
  • the device also includes a coating agent 103, which is connected in this case via a drive rod 112 to a drive 111.
  • the drive 111 thus drives with the drive rod 112 a scraping tool 113, for example in the manner of a Passevites.
  • the scraping tool 113 is in contact with a Insert plate 105 with passage openings 106 and strips this insert plate 105 from.
  • befindliches dry ice is conveyed by the scraping tool 113 through the insert plate 105 and sucked through an intake manifold 11.
  • Figure a shows a square mesh fabric in which the spaces between a lattice-like structure form mesh passage openings 106a.
  • the square mesh has an open screen area of 50-70%.
  • a square mesh with a mesh of 3mm, a wire diameter of 1mm, a mesh count of 6.4 and an open screen area of 56% can be used.
  • Figure b) form square, rectangular, oval or honeycomb-shaped recesses in a plate passage openings 106b1, 106b2, 106b3, 106b4.
  • circular recesses in a plate form circular passage openings 106c. Through the recesses, a perforated plate is formed.
  • the recesses 106d may also, as shown in Figure d), be arranged annular segment.
  • the recesses can be cut out, for example with a laser or water jet, or punched out.
  • FIG. 12 shows an inventive device 1 for cleaning with dry ice snow with a suction device 115.
  • the dry ice snow is blasted by means of the device 1 on the surface, such as a vehicle.
  • the suction device 115 sublimated gas and dissolved dirt particles sucked by means of the suction device 115.
  • device 1 and suction device 115 are arranged so that the interior of the vehicle is cleaned.
  • the device 1 and exhaust device 115 are mounted on opposite windows, allowing air, dry ice, particulate and gas flow through the vehicle interior.
  • device 1 and suction device 115 are arranged so that the engine compartment of the vehicle is cleaned.
  • the dry ice is blasted into the engine compartment with the bonnet open. Air, dry ice, particles and gas are sucked from below the engine compartment by means of the suction device 115.
  • FIG. 13a shows a section of a like in FIG. 1 but shown modified apparatus showing a reservoir 10 provided with a shaking means 102 and a selection element 224 in a variant for the promotion of dry ice snow and dry ice pellets.
  • the selection element 224 is a freely movable in the reservoir 110 ball 205.
  • the ball is set by the reciprocating-movable intake manifold 11 in motion and rolls through the conical shape of the reservoir 10 back in the direction of the intake manifold eleventh
  • the ball 205 on the one hand can loosen pellets and provides a stop surface for the intake manifold, which is movable against the ball 205 such that dry ice pellets between the stop surface and the suction end of the intake manifold 11 are crushed.
  • the moving ball 205 can counteract the clumping of dry ice snow and serves to some extent also the portioning of dry ice snow, which can get past the ball 205 into the Anugstutzen.
  • the use of the ball 205 as a selection element 224 may be sufficient to promote both pellets and snow.
  • the reservoir 10 is provided with a ball 205 and with an insertion plate 105d with passage openings.
  • the insert plate 105d keeps the ball 205 near the intake port and loosens the dry ice snow being conveyed in next. At the same time the slipping of further dry ice snow is allowed. In this way, reliably loosened dry ice cream is promoted.
  • the insert plate 105d may be fixedly connected to the reservoir 10, loosely resting on a projection or, as shown in the figure, in the conical region on the inner surface of the reservoir 10.
  • the cleaning effect can be further improved if the dry ice nor a blasting agent, such as glass, sand, plastic, corundum, steel, silicon carbide or calcium carbonate, is added, this applies both for cleaning with dry ice pellets as well as for cleaning with dry ice snow.
  • the blasting agent can be mixed under the dry ice and with them be promoted together.
  • the abrasive tends to trickle through the dry ice. In the course of the blasting process, therefore, initially a higher proportion of blasting agent is conveyed, which then decreases later.
  • Figure 14a shows a schematic representation of a reservoir 10 of a further device according to the invention for cleaning with dry ice pellets and blasting agents in analogy to the device, as in FIG. 2 is shown.
  • Figure 14a shows the reservoir 10 and as a selection element 104 for the promotion of pellets a mixing element 15.
  • air and blasting 120 are sucked.
  • the blasting agent 120 passes through openings 119 in the tube 26 in the reservoir 10 and mixes above the intake manifold 11 with the pellets. The mixture is then sucked together through the intake 11.
  • FIG. 14b shows a schematic representation of a reservoir 10 of another device according to the invention for cleaning with dry ice snow and blasting agent in analogy to the device, as in FIG. 3a is shown.
  • an insert plate 105a with passage openings 106 is located in the reservoir 10 as a selection element 124, an insert plate 105a with passage openings 106.
  • the insert plate 105a is provided with a pipe 16. Through the tube 16 air and blasting 120 are sucked.
  • the blasting agent 120 passes through openings 119 in the tube 16 in the reservoir 10 and mixes above the intake manifold 11 with the dry ice snow slipping through the openings 106 of the insert plate 105a as the reciprocating intake manifold 11 strikes against the pipe 16 connected to the plate 105a.
  • the mixture is then sucked together through the intake 11.

Claims (15)

  1. Dispositif (1) de distribution de neige carbonique ou de pellets de glace carbonique, au choix, en tant que matière transportée d'un réservoir (10) pour la réception de glace carbonique, caractérisé en ce que
    - le dispositif comporte un dispositif de vibration (102) et/ou un dispositif d'enduction (103), une plaque d'insertion (105; 105a; 105b; 105c; 105d), munie d'ouvertures de passage (106; 106a; 106b1, 106b2, 106b3, 106b4; 106c; 106d) qui sont conçues pour que la neige carbonique repose sur la plaque et puisse tomber en portions à travers les ouvertures de passage étant prévue à l'intérieur du réservoir (10), plaque qui subdivise le réservoir (10) en deux zones et qui peut être secouée par le dispositif de vibration (102) et/ou raclée par le dispositif d'enduction (103),
    ou caractérisé en ce que
    - le dispositif comporte un dispositif de vibration (102) et une sphère est placée à l'intérieur du réservoir, et le dispositif peut être secoué par le dispositif de vibration.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'on peut ajouter à la glace carbonique un produit de grenaillage (120), qui peut être aspiré en particulier par une conduite (16).
  3. Dispositif selon l'une des revendications 1 à 2, caractérisé en ce que le dispositif de vibration (102) est un dispositif de poussée (114) qui agit en particulier sur la plaque (105; 105a; 105b; 105c; 105d).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le réservoir (10) peut être secoué par le dispositif de vibration (102), qui est de préférence un dispositif de poussée (114) qui agit de l'extérieur du réservoir (10) sur le réservoir (10).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif de vibration (102) a une fréquence de vibration de 1 à 10 Hz et/ou a une amplitude de vibration de 1 à 20 mm.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le réservoir (10) peut être relié à un dispositif à air comprimé (101) par le biais duquel le produit à acheminer peut être fourni.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé par un dispositif d'aspiration (115) par lequel un CO2 gazeux sublimé peut aspirer du gaz et des particules.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que
    la plaque d'insertion (105; 105a; 105b; 105c; 105d) est munie d'un élément d'appui (108) qui n'est de préférence pas relié à la plaque d'insertion (105; 105a; 105b; 105c; 105d).
  9. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que
    la plaque d'insertion (105; 105a; 105b; 105c; 105d) est reliée à un récipient intérieur (109) qui est mobile par rapport au réservoir (10), si bien que l'ensemble du récipient intérieur (109) peut être secoué, le récipient intérieur comprenant en particulier une partie cylindrique (117).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que
    la plaque d'insertion (105; 105a; 105b; 105c; 105d) comporte un tamis ou une grille.
  11. Procédé de distribution soit de neige carbonique, soit de pellets de glace carbonique, au choix, qui comprend les étapes
    - de sélection soit de neige carbonique, soit de pellets de glace carbonique en tant que matière transportée,
    - de définition d'un mode de transport en fonction du choix de la matière transportée, caractérisé en ce qu'il s'agit, pour la détermination du mode de transport lorsqu'on choisit de la neige carbonique, de l'insertion d'une plaque d'insertion (105) munie d'ouvertures de passage (106; 106a; 106b1, 106b2, 106b3, 106b4; 106c; 106d), et lorsqu'on choisit des pellets de glace carbonique, de l'insertion d'un élément mélangeur (15) dans un récipient de stockage (10) d'un dispositif conçu pour la fourniture de glace carbonique.
  12. Procédé selon la revendication 11, caractérisé en ce que le mode de transport est soit la vibration d'un élément mélangeur (15), soit la vibration d'une plaque d'insertion (105) munie d'ouvertures de passage (106; 106a; 106b1, 106b2, 106b3, 106b4; 106c; 106d) par le biais d'un dispositif de vibration (102) et/ou le raclage d'une plaque d'insertion (105; 105a; 105b; 105c; 105d) grâce à un dispositif d'enduction (103).
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que la quantité acheminée par unité de temps est déterminée par le réglage de la fréquence de vibration et/ou de raclage et par le choix de la taille des ouvertures de passage (106; 106a; 106b1, 106b2, 106b3, 106b4; 106c; 106d).
  14. Procédé selon l'une des revendications 11 à 13, par lequel la neige carbonique est projetée par un dispositif à air comprimé (101), en particulier par la production d'une dépression.
  15. Procédé selon l'une des revendications 11 à 14, comprenant les étapes supplémentaires suivantes :
    - projection de neige carbonique sur une surface, en particulier par un dispositif selon au moins l'une des revendications 1 à 9;
    - aspiration de particules et de gaz par un dispositif d'aspiration (115).
EP11745962.8A 2010-08-16 2011-08-16 Dispositif et procédé pour distribuer de la glace sèche Active EP2605887B1 (fr)

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EP10172867A EP2420353A1 (fr) 2010-08-16 2010-08-16 Dispositif et procédé destinés au dépôt de glace sèche
EP11745962.8A EP2605887B1 (fr) 2010-08-16 2011-08-16 Dispositif et procédé pour distribuer de la glace sèche
PCT/EP2011/064070 WO2012022735A1 (fr) 2010-08-16 2011-08-16 Dispositif et procédé pour distribuer de la glace sèche

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EP2605887A1 EP2605887A1 (fr) 2013-06-26
EP2605887B1 true EP2605887B1 (fr) 2015-10-14

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EP2832500B1 (fr) * 2013-07-29 2015-06-10 Dry-Ice-Energy GmbH Dispositif de dosage de produit à projeter et dispositif de projection pour produit à projeter
US10099344B2 (en) * 2016-04-19 2018-10-16 Joseph P. Sergio Dry ice and abbrasive blasting media apparatus and method
GB201902893D0 (en) * 2019-03-04 2019-04-17 Rolls Royce Plc Apparatus and method for generating ice pellets
SK289167B6 (sk) * 2019-03-31 2024-02-28 Ics Ice Cleaning Systems S. R. O. Zariadenie na redukciu veľkosti granulátu suchého ľadu pre zariadenia na čistenie suchým ľadom
CH717501B1 (de) 2020-06-05 2023-06-30 Desisa Gmbh Vorrichtung zur Abgabe von Trockeneis und/oder Trockeneisschnee.

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US1272222A (en) * 1917-02-17 1918-07-09 Charlotte E Clayton Cooking vessel.
US3670516A (en) 1970-02-11 1972-06-20 Air Reduction Machine for making dry ice pellets
US3786644A (en) 1972-06-02 1974-01-22 Airco Inc System for changing the static electrical charge on co{11 {11 ice particles
US4624997A (en) 1984-09-28 1986-11-25 Union Carbide Corporation Article molded from a blend of a poly(aryl ether ketone) and a poly(aryl ether sulfone)
US4735135A (en) * 1986-11-07 1988-04-05 Walker Lynn F Utensil assembly for cooking vessels
US5947800A (en) * 1997-03-10 1999-09-07 Empire Abrasive Equipment Company Pneumatic suction surface blasting apparatus with an improved media delivery regulating system
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DE102008025361B3 (de) * 2008-05-20 2009-03-19 Alfred Kärcher Gmbh & Co. Kg Trockeneisstrahlvorrichtung

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US9975216B2 (en) 2018-05-22
EP2420353A1 (fr) 2012-02-22
WO2012022735A1 (fr) 2012-02-23
EP2605887A1 (fr) 2013-06-26
US20130139853A1 (en) 2013-06-06

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