NL1018280C2 - Blast element for processing surfaces with cryogenic particles. - Google Patents
Blast element for processing surfaces with cryogenic particles. Download PDFInfo
- Publication number
- NL1018280C2 NL1018280C2 NL1018280A NL1018280A NL1018280C2 NL 1018280 C2 NL1018280 C2 NL 1018280C2 NL 1018280 A NL1018280 A NL 1018280A NL 1018280 A NL1018280 A NL 1018280A NL 1018280 C2 NL1018280 C2 NL 1018280C2
- Authority
- NL
- Netherlands
- Prior art keywords
- length
- diameter
- over
- cryogenic particles
- processing surfaces
- Prior art date
Links
Classifications
-
- 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
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
Description
-1--1-
Straalelement voor het bewerken van oppervlakken met cryogene deeltjes.Blast element for processing surfaces with cryogenic particles.
De uitvinding betreft een straalelement voor het bewerken van oppervlakten met cryogene deeltjes.The invention relates to a blasting element for processing surfaces with cryogenic particles.
os Straalelementen voor cryogene deeltjes geven veel problemen doordat het kanaal een temperatuur van minus 80 graden Celsius heeft terwijl de buitenomtrek een temperatuur van circa 20 graden Celsius heeft. Materialen welke flexibel zijn zoals polypropyleen of siliconenrubber of nitrilrubber slijten snel en worden onbetrouwbaar omdat deze onverwachts kunnen breken en daarmee een gevaar voor de operator opleveren. Metaal is door de grote io warmtegeleiding niet. geschikt omdat te veel sublimatie optreedt en ijsvorming het werk belemmert.os Beam elements for cryogenic particles cause many problems because the channel has a temperature of minus 80 degrees Celsius while the outer circumference has a temperature of approximately 20 degrees Celsius. Materials that are flexible such as polypropylene or silicone rubber or nitrile rubber wear quickly and become unreliable because they can break unexpectedly and thus pose a risk to the operator. Metal is not heat conductive due to the large io. suitable because too much sublimation occurs and ice formation hinders work.
Gebleken is nu dat een rubberpolymeer van het type EPDM (ethyleen propyleen polymeer du) met een hardheid van 60 tot 70 graden Shore D bij temperaturen van minus 80 graden Celsius voldoende soepel is en nauwelijks aan slijtage onderhevig is. Bijkomend voordeel is dat het 15 straalelement buigzaam blijft waardoor het element gebogen kan worden om op moeilijke plaatsen te komen. Tevens is de isolatie zodanig dat ijsvorming uitblijft.It has now been found that a rubber polymer of the EPDM type (ethylene propylene polymer du) with a hardness of 60 to 70 degrees Shore D at temperatures of minus 80 degrees Celsius is sufficiently flexible and hardly subject to wear. An additional advantage is that the blasting element remains flexible, so that the element can be bent to reach difficult places. The insulation is also such that ice formation is not achieved.
Het straalelement bestaat uit een cilindervormig element met daarin een kanaal dat achtereenvolgens cilindrisch, conisch vernauwend, conisch verwijdend en cilindrisch eindigend 20 is. Het element kan in een houder voor de operator gemonteerd worden.The jet element consists of a cylindrical element with a channel therein that is successively cylindrical, conically narrowing, conically widening and ending cylindrically. The element can be mounted in a holder for the operator.
Aan de hand van Fig. 1 wordt de uitvinding besproken.With reference to FIG. 1, the invention is discussed.
In Fig. 1 is met (1) het straalelement aangegeven. Bij (2) wordt het straalmiddel met perslucht 25 toegevoerd. In straalelement (1) is een kanaal (3) dat zich over de gehele lengte uitstrekt. Vanaf toevoeropening (2) strekt zich een cilindrisch deel (4) over een lengte van (5) hetgeen dient als aansluitdeel. Vanaf cilindrisch deel (4) vernauwt het kanaal conisch (6) over een lengte van (7) tot keelopening (8). Vanaf keelopening (8) verwijdt kanaal (3) conisch (9) over een lengte van (10). Vervolgens is kanaal (3) cilindrisch (11) over een lengte van (12).In FIG. 1 denotes the blasting element with (1). At (2) the blasting agent is supplied with compressed air. In blasting element (1) is a channel (3) that extends over the entire length. From the supply opening (2) a cylindrical part (4) extends over a length of (5) which serves as a connecting part. From the cylindrical part (4) the channel narrows conically (6) over a length of (7) to the throat opening (8). From throat opening (8), channel (3) widens conically (9) over a length of (10). Channel (3) is then cylindrical (11) over a length of (12).
30 Lengte (5) is ongeveer 1,5 maal de diameter van cilindrisch deel (4).Length (5) is approximately 1.5 times the diameter of cylindrical part (4).
Lengte (7) is ongeveer 3 maal de diameter van cilindrisch deel (4).Length (7) is approximately 3 times the diameter of cylindrical part (4).
Lengte (10) is tussen 25 en 66 maal de diameter van de keeldoorsnede (8)Length (10) is between 25 and 66 times the diameter of the throat section (8)
Lengte (12) is gelijk aan lengte (5).Length (12) is equal to length (5).
De oppervlakte van keeldoorsnede (8) verhoudt zich tot de oppervlakte van cilindrisch deel (11) 35 als 1 : 2 tot 1 : 3.The area of throat section (8) is related to the area of cylindrical part (11) 35 as 1: 2 to 1: 3.
Voorbeeld:Example:
Het element is 600 MM lang en 40 MM in diameter.The element is 600 mm long and 40 mm in diameter.
*018280 -2-* 018280 -2-
Cilinder (4) heeft een diameter van 30 MM met een lengte van 50 MMCylinder (4) has a diameter of 30 MM with a length of 50 MM
Conus (6) vernauwt van een diameter van 30 MM tot 12 MM over een lengte (7) van 100 MM.Cone (6) narrows from a diameter of 30 MM to 12 MM over a length (7) of 100 MM.
Keeldiameter is 12 MMThroat diameter is 12 MM
Conus (9) verwijdt in diameter van 12 MM tot 20 MM over een lengte (10) van 400 MM. os Cilinder (11) heeft een diameter van 20 MM en een lengte (12) van 50 MM.Cone (9) widens in diameter from 12 MM to 20 MM over a length (10) of 400 MM. os Cylinder (11) has a diameter of 20 MM and a length (12) of 50 MM.
Het materiaal is gemodificeerd EPDM rubber met een hardheid van 60 tot 70 graden Shore D.The material is modified EPDM rubber with a hardness of 60 to 70 degrees Shore D.
De keeldoorsnede kan variëren van 6 tot 16 MM en de diameter van cilinder (11) kan variëren van 9 tot 27 MM.The throat section can vary from 6 to 16 MM and the diameter of the cylinder (11) can vary from 9 to 27 MM.
' ' 32 80"" 32 80
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1018280A NL1018280C2 (en) | 2001-06-13 | 2001-06-13 | Blast element for processing surfaces with cryogenic particles. |
PCT/NL2002/000363 WO2003002303A1 (en) | 2001-06-13 | 2002-06-04 | Nozzle for treatment of surfaces with cryogenic particles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1018280A NL1018280C2 (en) | 2001-06-13 | 2001-06-13 | Blast element for processing surfaces with cryogenic particles. |
NL1018280 | 2001-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL1018280C2 true NL1018280C2 (en) | 2002-12-16 |
Family
ID=19773542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1018280A NL1018280C2 (en) | 2001-06-13 | 2001-06-13 | Blast element for processing surfaces with cryogenic particles. |
Country Status (2)
Country | Link |
---|---|
NL (1) | NL1018280C2 (en) |
WO (1) | WO2003002303A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2866587B1 (en) * | 2004-02-25 | 2007-03-16 | Francois Archer | GRILLEAGE NOZZLE DEVICE |
EP2343183B1 (en) | 2010-01-07 | 2015-07-22 | Armacell Enterprise GmbH & Co. KG | Elastomeric low temperature insulation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2200587A (en) * | 1937-02-25 | 1940-05-14 | Hydroblast Corp | Method and apparatus for sand blasting |
US3102368A (en) * | 1962-06-07 | 1963-09-03 | Leslie W Smith | Abrasive spray gun |
EP0288263A2 (en) * | 1987-04-22 | 1988-10-26 | The BOC Group, Inc. | Apparatus and method for removing minute particles from a substrate |
US5487695A (en) * | 1992-10-08 | 1996-01-30 | Church & Dwight Co., Inc. | Blast nozzle combined with multiple tip water atomizer |
US5545073A (en) * | 1993-04-05 | 1996-08-13 | Ford Motor Company | Silicon micromachined CO2 cleaning nozzle and method |
-
2001
- 2001-06-13 NL NL1018280A patent/NL1018280C2/en not_active IP Right Cessation
-
2002
- 2002-06-04 WO PCT/NL2002/000363 patent/WO2003002303A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2200587A (en) * | 1937-02-25 | 1940-05-14 | Hydroblast Corp | Method and apparatus for sand blasting |
US3102368A (en) * | 1962-06-07 | 1963-09-03 | Leslie W Smith | Abrasive spray gun |
EP0288263A2 (en) * | 1987-04-22 | 1988-10-26 | The BOC Group, Inc. | Apparatus and method for removing minute particles from a substrate |
US5487695A (en) * | 1992-10-08 | 1996-01-30 | Church & Dwight Co., Inc. | Blast nozzle combined with multiple tip water atomizer |
US5545073A (en) * | 1993-04-05 | 1996-08-13 | Ford Motor Company | Silicon micromachined CO2 cleaning nozzle and method |
Also Published As
Publication number | Publication date |
---|---|
WO2003002303A1 (en) | 2003-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PD2B | A search report has been drawn up | ||
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20070101 |