DE2116942B2 - Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine - Google Patents

Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine

Info

Publication number
DE2116942B2
DE2116942B2 DE2116942A DE2116942A DE2116942B2 DE 2116942 B2 DE2116942 B2 DE 2116942B2 DE 2116942 A DE2116942 A DE 2116942A DE 2116942 A DE2116942 A DE 2116942A DE 2116942 B2 DE2116942 B2 DE 2116942B2
Authority
DE
Germany
Prior art keywords
blasting
machine
media
foreign matter
purity
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
DE2116942A
Other languages
German (de)
Other versions
DE2116942C3 (en
DE2116942A1 (en
Inventor
Juergen Von Dipl.-Ing. Fahland
Max Dipl.-Ing. Graf
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.)
BMD Badische Maschinenfabrik Durlach GmbH
Original Assignee
Badische Maschinenfabrik 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
Application filed by Badische Maschinenfabrik GmbH filed Critical Badische Maschinenfabrik GmbH
Priority to DE2116942A priority Critical patent/DE2116942C3/en
Priority to CH1886172A priority patent/CH565627A5/xx
Priority to CH922271A priority patent/CH543347A/en
Priority to GB3322971A priority patent/GB1349541A/en
Priority to IT7407/71A priority patent/IT940327B/en
Priority to FR7126697A priority patent/FR2103168A5/fr
Priority to JP5634371A priority patent/JPS5318757B1/ja
Priority to NL717110451A priority patent/NL153116B/en
Priority to US00167219A priority patent/US3742650A/en
Publication of DE2116942A1 publication Critical patent/DE2116942A1/en
Publication of DE2116942B2 publication Critical patent/DE2116942B2/en
Application granted granted Critical
Publication of DE2116942C3 publication Critical patent/DE2116942C3/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/006Treatment of used abrasive material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (5)

beschrankt sich aJlewUngs nicht auf die Anordnung Patentansprüche: der Meßeinrichtung=an einer Stelle des Kreislaufs mit hohem Reinheitsgrad. Die Vorrichtung kannis not limited to the arrangement of the patent claims: the measuring device = at a point in the circuit with a high degree of purity. The device can 1. Vorrichtung zur fortlaufenden Analyse des auch an anderen Stellen des Strabhnittelkreislaufes Fremdstoffanteils fan Strahlmittel einer Strablma- 5 mit mittlerem oder sehr hohem Fremdstoffanteil angchine durch eine Dichtemessung mittels radioak- gewendet werden.1. Device for the continuous analysis of the strab at other points as well Foreign matter fan blasting media from a Strablma- 5 with a medium or very high foreign matter content angchine can be turned through a density measurement using radioac-. tiver Strahlung nach Patent 2037482, da- Aufgabe der Erfindung ist es, einen radioaktiventive radiation according to patent 2037482, since the object of the invention is to provide a radioactive durch gekennzeichnet, daß als radioak- Strahler anzugeben, dessen Daten den praktischencharacterized in that as a radioak emitter, the data of which is practical tiver Strahler Americium 241 verwendet wird. Bedürfnissen innerhalb einer Strahlmaschine entspre-tiver emitter americium 241 is used. Needs within a blasting machine 2. Vorrichtung nach Anspruch 1, dadurch ge- ίο chen,2. Device according to claim 1, characterized in that kennzeichne! daß der radioaktive Stjajijjiir.eiqe , t Als. Lp|ung,sphlHgt die Erfindung vor, daß als ra-Strahlungsstärke von 200 bis 500 MMeurie Ha<U ^ ?*dioafctiver'Strähler Americium 241 verwendet wird.mark! that the radioactive Stjajijjiir.eiqe, t Als. Lp | ung, the invention suggests that the ra radiation intensity of 200 to 500 MMeurie Ha <U ^? * Dioactive 'Strähler americium 241 is used. 3. Vorrichtung nach Anspruch 1, dadurch ge- Als vorteilhaft hat sich hierbei eine Strahlungsstärke kennzeichnet, daß eine Zählrate von 20 000 bis von 200 bis 500 Millicurie erwiesen. In weiterer Aus-50 000 impulsen in etwa 5 see angewendet wird. 15 gestaltung der Erfindung hat sich die Anwendung3. Apparatus according to claim 1, characterized in that a radiation intensity has been found to be advantageous indicates that a count rate of from 20,000 to from 200 to 500 millicuries has been demonstrated. In further off-50 000 impulses in about 5 seconds is applied. 15 design of the invention has the application 4. Vorrichtung nach einem oder mehreren der einer Zählrate von 20 000 bis 50 000 in etwa 5 see vorhergehenden Ansprüche, dadurch gekenn- als günstig herausgestellt.4. Device according to one or more of a count rate of 20,000 to 50,000 in about 5 seconds preceding claims, characterized thereby identified as favorable. zeichnet, daß Mittel vorgesehen sind, um die Weiter schlägt die Erfindung vor, die Korngrößen-Korngrößenverteilung des Strahlmittels im Kreis- verteilung des Strahlmittels im Kreislauf der Strahllauf der Strahlmaschine konstant zu halten. 20 maschine konstant zu halten. Eine einfache Ausfüh-distinguishes that means are provided to the Next, the invention proposes the grain size-grain size distribution of the blasting agent in the circle distribution of the blasting agent in the circuit of the blasting path to keep the blast machine constant. 20 to keep the machine constant. A simple execution 5. Vorrichtung nach Anspruch 4, dadurch ge- rungsmöglichkeit hierzu bietet eine Dosiervorrichkennzeichnet, daß eine Dosiervorrichtung (55, rung, die aus einem Zeitschaltwerk in einstellbaren 56) aus einem ZeitSLIialtwerk in einstellbaren Abständen Impulse erhält zur Abgabe einer vorge-Abständen Impulse erhält zur Abgabe einer vor- schriebenen frischen Strahlmittelmenge in den Kreisgeschriebenen, frischen Strahlmittelmenge in den 25 lauf der Maschine.5. The device according to claim 4, characterized by providing a dosing device for this purpose, that a metering device (55, tion, which can be set from a timer in 56) receives impulses from a ZeitSLIialtwerk at adjustable intervals to deliver a pre-set interval Receives impulses for the delivery of a prescribed fresh amount of abrasive in the circular, amount of fresh abrasive in the machine's barrel. Kreislauf der Maschine. Die Zeichnung zeigt weitere Einzelheiten der Erfindung. Die Bearbeitungskamroer 1 einer Strahlmaschine ist mit einem oder mehreren Schleuderrädern 2 ausgerüstet, die das Werkstück 4, das an einerCycle of the machine. The drawing shows further details of the invention. The processing cam 1 of a blasting machine is equipped with one or more centrifugal wheels 2 equipped, which the workpiece 4, which is attached to a 30 Transportbahn 3 durch die Bearbeitungskammer 1 bewegt wird, bearbeitet. Strahlmittel und durch die Bearbeitung anfallender Fremdstoff sammeln sich im Unterteil 5 der Maschine. Der Strahlmittelkreislauf30 transport path 3 is moved through the processing chamber 1, processed. Abrasives and through the Processing of foreign matter accumulates in the lower part 5 of the machine. The abrasive cycle Die Erfindung betrifft eine Vorrichtung zur fort- besteht bei diesem Beispiel aus der Schnecke 6, Falllaufenden Analyse des Fremdstoffanteils im Strahl- 35 rohr 8, Becherwerk 13, Rutsche 14, Reinigungsvormittel einer Strahlmaschine durch eine Dichtemessung richtung 15, Meßrohr 20, Trichter 24, Vorratsbehältnittds radioaktiver Strahlung nach Patent 2 037 482. ter 27. Zuführungsleitung 28. Fine Umgehung des Die Bedeutung der Reinheit des Strahlmittels in Schleuderrades 2 ist möglich für Strahlmittel, welches Strahlmaschinen bei der Wiederverwendung innerhalb durch die Umleitung 23, 29 geleitet wird. Die fortdes Strahlmittelkreislaufes ist in dem Patent 40 laufende Messung wird in dem senkrecht angeordnc-2037482, Spalte 1 und 2, beschrieben. Die Förde- ten Meßrohr 20 vorgenommen, dem eine Drosseimng, kein Strahlmittel unter einem vorbestimmten stelle 22 folgt. Der Strahler 19 und der Empfänger Reinheitsgrad und bei allen möglichen Betriebsbe- 25 sind auf gegenüberliegenden Seiten des Mcßrohdingungen den Schleuderrädern zuzuführen, war bis res 20 angeordnet. Die Meßwerte gelangen über die dahin mit den herkömmlichen Methoden nicht mög- 45 Leitungen 50 und 51 in den Verstärker und Auswer- lich. Insbesondere war ungeklärt, wie derart geringe ter 37, der zum Beispiel gemäß Patent 2 037 482 Verunreinigungsänderungen, wie z. B. von 0,2 auf über seinen Ausgang 52, 53 in geeigneter Weise in 0,4 Gewichtsprozent, sicher und fortlaufend gemessen den Strahlmittelkreislauf regelnd eingreift. Im Falle werden können. der dargestellten Ausführung durch die Umschalt-Nach dem Patent 2 037 482 wird gemäß An- 50 klappe 21. Eine Vorrichtung zum Konstanthalten der ipruch 6 beansprucht, »daß eine Meßeinrichtung im Körnung des Strahlmittels kann aus einem unten of-Bereich des Auslasses der Reinigungsvorrichtung an- fenen Vorratsbehälter 54 bestehen, wobei diese Öffgeordnet ist«. An dieser Stelle ist der höchste Rein- nung durch einen Förderer 55 abgedeckt ist, der ieitsgrad im Kreislauf des Strahlmittels vorhanden, durch einen Antrieb 56 in Bewegung versetzt werden der im Bereich unter 0,5 Gewichtsprozent Fremd- 55 kann. Dieser Förderer dosiert frisches Strahlmittel in Itoffanteil liegen soll oder bei hohen Ansprüchen an den Strahlmittelkreislauf der Maschine durch Eindie Reinheit auch bisweilen 0,2 % nicht überschrei- schaltung des Förderantriebs von Zeit zu Zeit durch ten soll. ein nicht dargestelltes bekanntes Zeitschaltwerk. Die Versuche mit bekannten einfachen elektrischen Einstellung erfolgt derart, daß die zu dosierende Meßeinrichtungen haben hier versagt, weil deren 60 Menge frischen Strahlmittels der verbrauchten Meßgenauigkeit sich als nicht ausreichend erwiesen Menge entspricht.The invention relates to a device for the continuation in this example of the screw 6, falling analysis of the foreign matter content in the jet pipe 8, bucket elevator 13, chute 14, cleaning means of a jet machine by a density measurement device 15, measuring tube 20, funnel 24, storage container sections radioactive radiation according to patent 2 037 482. ter 27. Supply line 28. Fine bypassing The importance of the purity of the blasting media in blasting wheel 2 is possible for blasting media, which blasting machines are directed through the diversion 23, 29 when reused. The continuation of the blasting medium cycle is described in patent 40, the current measurement is in the vertically arranged 2037482, columns 1 and 2, described. The conveyed measuring tube 20 is made, which is followed by a throttling, no blasting agent below a predetermined point 22 . The radiator 19 and the receiver, the degree of purity and, for all possible operating conditions, are to be fed to the centrifugal wheels on opposite sides of the raw conditions, was arranged up to res 20. The measured values reach the amplifier and evaluation via lines 50 and 51 , which are not possible with the conventional methods . In particular, it was unclear how such low ter 37, which for example according to patent 2,037,482 changes in contamination, such as. B. from 0.2 to its output 52, 53 in a suitable manner in 0.4 percent by weight, safely and continuously measured intervening regulating the blasting medium cycle. In the event can be. The illustrated embodiment by the Umschalt-According to patent 2,037,482 is claimed in accordance with flap 21. A device for keeping the pressure 6 constant is claimed that a measuring device in the grain size of the blasting agent can be connected from a lower area of the outlet of the cleaning device - Fenen storage container 54 exist, this being open ". At this point the highest level of cleaning is covered by a conveyor 55, which is present in the circulation of the blasting agent, and can be set in motion by a drive 56 which can be foreign 55 in the range of less than 0.5 percent by weight. This conveyor doses fresh blasting media in the proportion of Itoff or, if there are high demands on the blasting media circuit of the machine, the purity should not exceed 0.2% from time to time. a known timer, not shown. The experiments with known simple electrical settings are carried out in such a way that the measuring devices to be dosed have failed because the quantity of fresh blasting media used corresponds to the quantity of used measuring accuracy which has proven to be insufficient. hat. Es war daher an dieser Stelle notwendig, zu Die bisher fehlende oder mangelhafte Kontrolle einem grundsätzlich anderen Verfahren überzugehen, der Reinheit des Strahlmittels durch eine Bedieindcm mittels radioaktiver Strahlung eine bekannte nungsperson wird durch die Erfindung ohne perso-Dichtemessung des fließenden Strahlmittel-Fremd- 65 nellen Aufwand und mit bisher unbekannter Gestoffgemisches vorgenommen wird. Die Erfindung nauigkeit ausgeführt.Has. It was therefore necessary at this point to The hitherto missing or inadequate control to switch to a fundamentally different process, the purity of the blasting media by means of a control by means of radioactive radiation a known person becomes known by the invention without person density measurement the flowing blasting media foreign 65 nellen effort and with previously unknown substance mixture is made. The invention carried out accuracy.
DE2116942A 1970-07-29 1971-04-07 Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine Expired DE2116942C3 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE2116942A DE2116942C3 (en) 1971-04-07 1971-04-07 Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine
CH1886172A CH565627A5 (en) 1971-04-07 1971-06-24
CH922271A CH543347A (en) 1970-07-29 1971-06-24 Shot blasting machine
GB3322971A GB1349541A (en) 1970-07-29 1971-07-15 Blasting machine and assembly
IT7407/71A IT940327B (en) 1970-07-29 1971-07-16 PROJECTION CLEANING MACHINE
FR7126697A FR2103168A5 (en) 1970-07-29 1971-07-21
JP5634371A JPS5318757B1 (en) 1970-07-29 1971-07-27
NL717110451A NL153116B (en) 1970-07-29 1971-07-29 BLASTING DEVICE.
US00167219A US3742650A (en) 1971-04-07 1971-07-29 Control system for the circulatory system of a shot blasting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2116942A DE2116942C3 (en) 1971-04-07 1971-04-07 Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine

Publications (3)

Publication Number Publication Date
DE2116942A1 DE2116942A1 (en) 1972-10-26
DE2116942B2 true DE2116942B2 (en) 1974-12-05
DE2116942C3 DE2116942C3 (en) 1975-07-17

Family

ID=5804104

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2116942A Expired DE2116942C3 (en) 1970-07-29 1971-04-07 Method and device for the continuous analysis of the proportion of foreign matter in the blasting media of a blasting machine

Country Status (3)

Country Link
US (1) US3742650A (en)
CH (1) CH565627A5 (en)
DE (1) DE2116942C3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105752A1 (en) * 1981-02-17 1982-09-02 Leschonski, Kurt, Prof. Dr.-Ing., 3392 Clausthal-Zellerfeld Method and device for the continuous photometric on-line measurement of specific surfaces of dispersed solids

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934373A (en) * 1974-08-16 1976-01-27 Wheelabrator-Frye, Inc. Portable surface treating apparatus
US3934374A (en) * 1974-08-21 1976-01-27 Wheelabrator-Frye, Inc. Sand reclamation system
US4031666A (en) * 1976-08-30 1977-06-28 Wheelabrator-Frye, Inc. Rotary door blast chamber
US4394256A (en) * 1981-02-09 1983-07-19 Goff James R Apparatus for separating abrasive blasting media from debris
US4382352A (en) * 1981-03-05 1983-05-10 Nelson Robert T Apparatus for cleaning surfaces, including means for separating debris and abrasive material
US4524550A (en) * 1982-11-30 1985-06-25 Air Products And Chemicals, Inc. Discharge of blasting media from a treating chamber
US5291696A (en) * 1987-06-18 1994-03-08 Viking Corp. Apparatus for cleaning metallic wheels
US5244506A (en) * 1987-06-18 1993-09-14 Viking Corp. Apparatus for cleaning and treating metallic wheels
US5098744A (en) * 1987-06-18 1992-03-24 Viking Corp. Method for cleaning metallic wheels
US5134811A (en) * 1989-07-31 1992-08-04 S. G. Enegren Apparatus for cleaning articles and method for cleaning articles
DK200000836A (en) * 2000-05-26 2001-11-27 Thomas Tygesen Schmidt Blower cleaning system for metal blowing by wet blowing
WO2005110680A1 (en) * 2004-05-19 2005-11-24 Sintokogio, Ltd. Ejection processing device
ES2313818B1 (en) * 2006-03-01 2009-10-08 Talleres Alju, S.L. GRANALLA SELF-CLEANING SYSTEM FOR GRINDING MACHINES.
CN104589221B (en) * 2015-01-21 2018-05-29 滁州汽车与家电技术及装备研究院 A kind of mixing ball blasting method
EP3308906B1 (en) * 2015-06-11 2020-01-29 Sintokogio, Ltd. Shot blasting apparatus
US9789586B2 (en) * 2015-11-05 2017-10-17 Sandblast Solutions, Inc. Multi-stage grit recycler
CN105945265A (en) * 2016-06-16 2016-09-21 含山县峰园精铸加工厂 Pig iron casting washing device

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US2686991A (en) * 1950-11-07 1954-08-24 Pangborn Corp Blast cleaning apparatus and method
US3094289A (en) * 1959-10-29 1963-06-18 Bolidens Gruv Ab Rock grinding system
US3103767A (en) * 1960-09-06 1963-09-17 Elmer H Greenberg Metal-plate-treating apparatus
US3392491A (en) * 1965-08-03 1968-07-16 Textron Inc Particle segregating system
US3581442A (en) * 1968-06-14 1971-06-01 Wheelabrator Corp Controls for electromagnetic valves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105752A1 (en) * 1981-02-17 1982-09-02 Leschonski, Kurt, Prof. Dr.-Ing., 3392 Clausthal-Zellerfeld Method and device for the continuous photometric on-line measurement of specific surfaces of dispersed solids

Also Published As

Publication number Publication date
DE2116942C3 (en) 1975-07-17
CH565627A5 (en) 1975-08-29
US3742650A (en) 1973-07-03
DE2116942A1 (en) 1972-10-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGA New person/name/address of the applicant
8327 Change in the person/name/address of the patent owner

Owner name: BMD BADISCHE MASCHINENFABRIK DURLACH GMBH, 7500 KA

8340 Patent of addition ceased/non-payment of fee of main patent