US20090093196A1 - Particle Blast System with Synchronized Feeder and Particle Generator - Google Patents
Particle Blast System with Synchronized Feeder and Particle Generator Download PDFInfo
- Publication number
- US20090093196A1 US20090093196A1 US11/853,194 US85319407A US2009093196A1 US 20090093196 A1 US20090093196 A1 US 20090093196A1 US 85319407 A US85319407 A US 85319407A US 2009093196 A1 US2009093196 A1 US 2009093196A1
- Authority
- US
- United States
- Prior art keywords
- rate
- particle
- cleaning apparatus
- particles
- blast cleaning
- 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.)
- Abandoned
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Classifications
-
- 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
- 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
- B24C7/0092—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed by mechanical means, e.g. by screw conveyors
Definitions
- the present invention relates generally to particle blast systems apparatus, and is particularly directed to a device with a synchronized feeder and particle generator.
- the invention will be disclosed in connection with, but not limited to, a carbon dioxide blasting system having a shaver which is synchronized by a drive belt to the feeder.
- Particle blasting systems have been around for several decades.
- particles also known as blast media
- Particles are fed by a feeder into a transport gas flow and are transported as entrained particles to a blast nozzle, from which the particles exit, being directed toward a workpiece or other target.
- Particles may be stored in a hopper or generated by the blasting system and directed to the feeder for introduction into the transport gas.
- One apparatus for generating carbon dioxide particles is known as a shaver, such as disclosed in U.S. Pat. No. 5,520,572 which is incorporated herein by reference, in which a working edge, such as a knife edge, is urged against and moved across a block of carbon dioxide.
- Particles also referred to as granules
- Particles are thus generated and fed to the inlet of a feeder.
- a feeder is disclosed in U.S. patent application Ser. No. 10/123,974, filed on Apr. 17, 2002 for Feeder Assembly For Particle Blast System, which is incorporated herein by reference.
- present invention will be described herein in connection with a particle feeder for use with carbon dioxide blasting, it will be understood that the present invention is not limited in use or application to carbon dioxide blasting.
- teachings of the present invention may be used in particle blast apparatus in which particles are generated and directed to a feeder.
- FIG. 1 is a perspective view of a particle blast system constructed in accordance with the teachings of the present invention, with the outer panels removed to reveal the components.
- FIG. 2 is a an end view of a portion of the particle blast system of FIG. 1 .
- FIG. 3 is a side view of the drive motor, the feeder, the end of the shaver, and the drive belt.
- FIG. 4 is a side cross-sectional view similar to FIG. 3 , taken along line A-A of FIG. 1 .
- FIG. 5 is an enlarged view of the rotor of the feeder
- particle blast system generally indicated at 2 , include frame 4 which provides support for the components, and to which outer panels (not shown) are attached, enclosing most of the components.
- System 2 includes particle generator 6 , feeder 8 and control panel 10 .
- Generator 6 is depicted as a shaver configured to received a standard size commercially available block of dry ice, such as a 6′′ ⁇ 6′′ ⁇ 12′′ block.
- one end of generator 6 includes housing 12 within which the particles, or granules, are formed and allowed to flow by gravity to inlet 14 of feeder 8 .
- housing 12 houses rotatable carrier 15 which carries one or more working edges 16 , which is urged against and moved relative to the dry ice block (not shown) to shave granules off of the block. Particles flow from the block downwardly into inlet 14 and into cavities 18 , also referred to as pockets, formed in the circumferential surface of rotor 20 .
- Rotor 20 may be driven directly by motor 22 as shown, such as through legs 24 , or may be driven indirectly through any suitable power transmission configuration.
- the particles are transported to discharge 26 of feeder 8 , where they are introduced into the transport gas flow, exiting out exit port 28 to which the delivery hose (not shown) is directly or indirectly connected, for transport to the blast nozzle (not shown).
- Inlet port 30 of feeder 8 is connected to a source of transport gas (not shown) having suitable flow capacity and pressure, such as up to 125 psi.
- Carrier 15 is supported and driven by shaft 32 which is rotatably supported by housing 12 .
- Drive pulley 34 is fixed to shaft 32 , with key 36 preventing rotation therebetween. Any suitable construction may be used to connect drive pulley 34 non-rotatably to shaft 32 , such as splines.
- Drive pulley 34 is connected to end 38 of rotor 20 by drive belt 40 .
- Drive pulley 34 includes a plurality of teeth 42 which engage complementarily shaped teeth formed on the inside of drive belt 40 .
- End 38 also includes a plurality of complementarily shaped teeth 44 which engage the inside of drive belt 40 .
- An idler 46 may also be used.
- Rotor 20 driven by motor 22 , thus drives carrier 15 and therefore working edges 16 at a fixed ratio.
- This synchronizes the generation of particles by particle generator 6 relative to the feed rate of the particles through feeder 8 .
- the particles are transported immediately into the transport gas, thereby preferably moving continuously, avoiding being in a static state and avoiding agglomerating.
- the ratio is approximately 10:1, with the feed rate of particles being about one pound per minute introduced to a transport gas of 25 to 50 standard cubic feet per minute. Different ratios may be used, depending on the desired feed rate, such as might be necessary when higher flow rate nozzles are utilized.
- Any suitable drive mechanism may be used, such as a chain and sprocket.
- a variable transmission may be provided, allowing easy use of different flow rate nozzles and transport gas flows.
- Motor 22 may be interposed between shaft 32 and rotor 20 , with the appropriate drive mechanisms between shaft 32 and motor 22 and rotor 20 and motor 22 . Any suitable source of rotary motion and power may be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
Description
- This application is a continuation of and claims priority from Patent Cooperation Treaty International Application Number PCT/US2006/009017, having an International Filing Date of Mar. 13, 2006, titled Particle Blast System With Synchronized Feeder And Particle Generator, and which claims priority from U.S. Provisional Patent Application Ser. No. 60/660,697, filed Mar. 11, 2005, titled Particle Blast System With Synchronized Feeder And Particle.
- The present invention relates generally to particle blast systems apparatus, and is particularly directed to a device with a synchronized feeder and particle generator. The invention will be disclosed in connection with, but not limited to, a carbon dioxide blasting system having a shaver which is synchronized by a drive belt to the feeder.
- Particle blasting systems have been around for several decades. Typically, particles, also known as blast media, are fed by a feeder into a transport gas flow and are transported as entrained particles to a blast nozzle, from which the particles exit, being directed toward a workpiece or other target. Particles may be stored in a hopper or generated by the blasting system and directed to the feeder for introduction into the transport gas. One apparatus for generating carbon dioxide particles is known as a shaver, such as disclosed in U.S. Pat. No. 5,520,572 which is incorporated herein by reference, in which a working edge, such as a knife edge, is urged against and moved across a block of carbon dioxide. Particles, also referred to as granules, are thus generated and fed to the inlet of a feeder. One such feeder is disclosed in U.S. patent application Ser. No. 10/123,974, filed on Apr. 17, 2002 for Feeder Assembly For Particle Blast System, which is incorporated herein by reference.
- Although the present invention will be described herein in connection with a particle feeder for use with carbon dioxide blasting, it will be understood that the present invention is not limited in use or application to carbon dioxide blasting. The teachings of the present invention may be used in particle blast apparatus in which particles are generated and directed to a feeder.
- The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and, together with the general description of the invention given above, and the detailed description of the embodiments given below, serve to explain the principles of the present invention.
-
FIG. 1 is a perspective view of a particle blast system constructed in accordance with the teachings of the present invention, with the outer panels removed to reveal the components. -
FIG. 2 is a an end view of a portion of the particle blast system ofFIG. 1 . -
FIG. 3 is a side view of the drive motor, the feeder, the end of the shaver, and the drive belt. -
FIG. 4 is a side cross-sectional view similar toFIG. 3 , taken along line A-A ofFIG. 1 . -
FIG. 5 is an enlarged view of the rotor of the feeder - Reference will now be made in detail to the present preferred embodiment of the invention, an example of which is illustrated in the accompanying drawings.
- In the following description, like reference characters designate like or corresponding parts throughout the several views. Also, in the following description, it is to be understood that terms such as front, back, inside, outside, and the like are words of convenience and are not to be construed as limiting terms. Terminology used in this patent is not meant to be limiting insofar as devices described herein, or portions thereof, may be attached or utilized in other orientations. Referring in more detail to the drawings, the invention will now be described.
- Referring to
FIG. 1 , particle blast system, generally indicated at 2, includeframe 4 which provides support for the components, and to which outer panels (not shown) are attached, enclosing most of the components.System 2 includesparticle generator 6,feeder 8 andcontrol panel 10.Generator 6 is depicted as a shaver configured to received a standard size commercially available block of dry ice, such as a 6″×6″×12″ block. - As seen in
FIGS. 2 , 3 and 4, one end ofgenerator 6 includeshousing 12 within which the particles, or granules, are formed and allowed to flow by gravity to inlet 14 offeeder 8. In the case of a shaver, housing 12 housesrotatable carrier 15 which carries one or moreworking edges 16, which is urged against and moved relative to the dry ice block (not shown) to shave granules off of the block. Particles flow from the block downwardly intoinlet 14 and intocavities 18, also referred to as pockets, formed in the circumferential surface ofrotor 20.Rotor 20 may be driven directly bymotor 22 as shown, such as throughlegs 24, or may be driven indirectly through any suitable power transmission configuration. The particles are transported to discharge 26 offeeder 8, where they are introduced into the transport gas flow, exiting outexit port 28 to which the delivery hose (not shown) is directly or indirectly connected, for transport to the blast nozzle (not shown).Inlet port 30 offeeder 8 is connected to a source of transport gas (not shown) having suitable flow capacity and pressure, such as up to 125 psi. - Carrier 15 is supported and driven by
shaft 32 which is rotatably supported byhousing 12.Drive pulley 34 is fixed toshaft 32, with key 36 preventing rotation therebetween. Any suitable construction may be used to connectdrive pulley 34 non-rotatably toshaft 32, such as splines.Drive pulley 34 is connected toend 38 ofrotor 20 bydrive belt 40.Drive pulley 34 includes a plurality ofteeth 42 which engage complementarily shaped teeth formed on the inside ofdrive belt 40.End 38 also includes a plurality of complementarilyshaped teeth 44 which engage the inside ofdrive belt 40. Anidler 46 may also be used. -
Rotor 20, driven bymotor 22, thus drivescarrier 15 and therefore workingedges 16 at a fixed ratio. This synchronizes the generation of particles byparticle generator 6 relative to the feed rate of the particles throughfeeder 8. By synchronizing the rate of production of particles with the rate at which particles are delivered to and from the feeder, the particles are transported immediately into the transport gas, thereby preferably moving continuously, avoiding being in a static state and avoiding agglomerating. - In the embodiment depicted, the ratio is approximately 10:1, with the feed rate of particles being about one pound per minute introduced to a transport gas of 25 to 50 standard cubic feet per minute. Different ratios may be used, depending on the desired feed rate, such as might be necessary when higher flow rate nozzles are utilized.
- Any suitable drive mechanism may be used, such as a chain and sprocket. A variable transmission may be provided, allowing easy use of different flow rate nozzles and transport gas flows.
Motor 22 may be interposed betweenshaft 32 androtor 20, with the appropriate drive mechanisms betweenshaft 32 andmotor 22 androtor 20 andmotor 22. Any suitable source of rotary motion and power may be used. - The foregoing description of a preferred embodiment of the invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obvious modifications or variations are possible in light of the above teachings. The embodiment was chosen and described in order to best illustrate the principles of the invention and its practical application to thereby enable one of ordinary skill in the art to best utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims submitted herewith.
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/853,194 US20090093196A1 (en) | 2005-03-11 | 2007-09-11 | Particle Blast System with Synchronized Feeder and Particle Generator |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66069705P | 2005-03-11 | 2005-03-11 | |
PCT/US2006/009017 WO2006099366A1 (en) | 2005-03-11 | 2006-03-13 | Particle blast system with synchronized feeder and particle generator |
US11/853,194 US20090093196A1 (en) | 2005-03-11 | 2007-09-11 | Particle Blast System with Synchronized Feeder and Particle Generator |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/009017 Continuation WO2006099366A1 (en) | 2005-03-11 | 2006-03-13 | Particle blast system with synchronized feeder and particle generator |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090093196A1 true US20090093196A1 (en) | 2009-04-09 |
Family
ID=36589347
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/374,653 Abandoned US20060205326A1 (en) | 2005-03-11 | 2006-03-13 | Particle blast system with synchronized feeder and particle generator |
US11/853,194 Abandoned US20090093196A1 (en) | 2005-03-11 | 2007-09-11 | Particle Blast System with Synchronized Feeder and Particle Generator |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/374,653 Abandoned US20060205326A1 (en) | 2005-03-11 | 2006-03-13 | Particle blast system with synchronized feeder and particle generator |
Country Status (3)
Country | Link |
---|---|
US (2) | US20060205326A1 (en) |
TW (1) | TWI296956B (en) |
WO (1) | WO2006099366A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9592586B2 (en) | 2012-02-02 | 2017-03-14 | Cold Jet Llc | Apparatus and method for high flow particle blasting without particle storage |
WO2017070221A1 (en) | 2015-10-19 | 2017-04-27 | Cold Jet, Llc | Blast media comminutor |
CN108941062A (en) * | 2018-05-30 | 2018-12-07 | 昆明理工大学 | A kind of dry ice cleaner |
DE202019102301U1 (en) | 2018-04-24 | 2019-08-13 | Cold Jet Llc | Particle beam device |
US10737890B2 (en) | 2015-03-06 | 2020-08-11 | Cold Jet, Llc | Particle feeder |
WO2021138545A1 (en) | 2019-12-31 | 2021-07-08 | Cold Jet, Llc | Method and apparatus for enhanced blast stream |
WO2022236041A1 (en) | 2021-05-07 | 2022-11-10 | Cold Jet, Llc | Method and apparatus for forming solid carbon dioxide |
WO2023158868A1 (en) | 2022-02-21 | 2023-08-24 | Cold Jet, Llc | Method and apparatus for minimizing ice build up within blast nozzle and at exit |
WO2024006405A1 (en) | 2022-07-01 | 2024-01-04 | Cold Jet, Llc | Method and apparatus with venting or extraction of transport fluid from blast stream |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SK288682B6 (en) * | 2015-08-29 | 2019-07-02 | Ics Ice Cleaning Systems S. R. O. | Reservoir of dry ice cleaning equipment for dry ice |
WO2017127935A1 (en) * | 2016-01-27 | 2017-08-03 | Coulson Ice Blast Ltd. | Ice blasting system and method |
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- 2006-03-13 US US11/374,653 patent/US20060205326A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
WO2006099366A1 (en) | 2006-09-21 |
US20060205326A1 (en) | 2006-09-14 |
TWI296956B (en) | 2008-05-21 |
TW200635709A (en) | 2006-10-16 |
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