EP3658240A1 - Use of low-sparking material when handling bulk goods - Google Patents
Use of low-sparking material when handling bulk goodsInfo
- Publication number
- EP3658240A1 EP3658240A1 EP18753320.3A EP18753320A EP3658240A1 EP 3658240 A1 EP3658240 A1 EP 3658240A1 EP 18753320 A EP18753320 A EP 18753320A EP 3658240 A1 EP3658240 A1 EP 3658240A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- bulk goods
- sparks
- materials
- aluminum bronze
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
- Y10T428/1291—Next to Co-, Cu-, or Ni-base component
Definitions
- the invention relates to a solution for the handling of bulk material containing fines, which can lead to the formation of explosive dust / air mixtures.
- bulk material is understood to mean a granular or also lumpy mixture of natural and / or artificial origin which is present in a pourable form. These include, for example:
- aggregates For the handling of bulk goods u.a. the following system parts (hereinafter referred to as “aggregates”) are used:
- the o.g. Aggregates comprise moving parts such as e.g. Rotors (cell wheels), slide blades, screws, conveyor coils, tube chains as well as static parts such. Housing, baffles.
- moving parts such as e.g. Rotors (cell wheels), slide blades, screws, conveyor coils, tube chains as well as static parts such. Housing, baffles.
- these parts are made of metallic materials.
- metallic materials such as plastics, ceramics).
- Aggregates can cause dusts to form explosive mixtures both during normal operation and in the case of faults.
- the likelihood of an explosive dust / air mixture occurring in these aggregates may vary from "rarely and for a short time (corresponding to a zone 22)" to "occasional” (corresponding to a zone 21) to "continuous, long term or frequently recurring" (corresponding to FIG a zone 20) (Technical Rules for Industrial Safety -TRBS 2152, Hazardous Explosive Atmospheres - General- dated 15.03.2006)
- ignition-active mechanical sparks may occur.
- Friction even between similar ferrous metals and between certain ceramic materials, can cause localized heating and sparks similar to the grinding sparks. As a result, explosive atmospheres can be ignited. "This also applies to explosive mixtures in the sense of the Hazardous Substances Ordinance (Ordinance on the Protection against Hazardous Substances (also stanchverowski - GefStoffV) of 01.06.2015).
- an explosion in the relevant aggregate may possibly occur with transfer of the explosion into upstream and downstream plant components (eg pipelines, supply and discharge organs). Such an explosion may cause personal injury and / or property damage.
- One way to avoid an explosion in the abovementioned system components is to avoid the explosive mixture in the interior of the abovementioned system components, for example by inerting.
- Another way to avoid an explosion is to avoid the ignition sources.
- mechanically generated sparks impact and friction sparks
- this can significantly limit the use of an aggregate.
- mechanically generated sparks can occur due to the contact of the moving parts inside the units with each other and / or against the inner wall of the housing.
- the occurrence of mechanically generated sparks can take place by unintentionally registered in the unit metal parts that can strike both against each other and against the moving and fixed parts (including housing wall).
- aluminum bronzes (CuAl alloys) are used as material for the movable internals in the o.g. Aggregates and / or housings of o.g. Aggregates used.
- the object has been achieved by an apparatus according to claims 1 to 4.
- the product-contacted interior of the housing or the movable internals are lined with the aforementioned materials and / or coated.
- nickel-free aluminum bronzes as a material for the aforementioned applications. These were previously unknown for this application.
- AMPCO 25 of the company AMPCO Metal SA which has been tested and proven at the Physikalisch-Technische Bundesweg (Meyer, L., completion of the research project to investigate the Zünd effectiveness of mechanical sparks in the use of Bronze, ptb 2015-11).
- the proposed application of aluminum bronze involves the manufacture of the moving and / or static parts of the aggregates for handling bulk materials, both as a solid material and as a coating (eg coating, plating, gluing) onto a base body not made of aluminum bronze one of the usual in the art, for. B. machining shape according to the mechanical requirements.
Landscapes
- Chemical & Material Sciences (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17183761.0A EP3434335A1 (en) | 2017-07-28 | 2017-07-28 | Apparatus for the handling of bulk materials |
PCT/EP2018/069897 WO2019020557A1 (en) | 2017-07-28 | 2018-07-23 | Use of low-sparking material when handling bulk goods |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3658240A1 true EP3658240A1 (en) | 2020-06-03 |
Family
ID=59683371
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17183761.0A Withdrawn EP3434335A1 (en) | 2017-07-28 | 2017-07-28 | Apparatus for the handling of bulk materials |
EP18753320.3A Withdrawn EP3658240A1 (en) | 2017-07-28 | 2018-07-23 | Use of low-sparking material when handling bulk goods |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17183761.0A Withdrawn EP3434335A1 (en) | 2017-07-28 | 2017-07-28 | Apparatus for the handling of bulk materials |
Country Status (7)
Country | Link |
---|---|
US (1) | US20200139170A1 (en) |
EP (2) | EP3434335A1 (en) |
JP (1) | JP2020528108A (en) |
KR (1) | KR20200035946A (en) |
CN (1) | CN110891653A (en) |
CA (1) | CA3071031A1 (en) |
WO (1) | WO2019020557A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1608204A1 (en) * | 1967-06-02 | 1970-12-17 | Rasselstein Ag | Use of aluminum bronze |
DE3413870A1 (en) * | 1984-04-12 | 1985-10-17 | Bruno Creta di Castelsangiovanni Piacenza Nutini | Multiply connected aluminium and silicon bronze alloy |
DE4006410C2 (en) * | 1990-03-01 | 1994-01-27 | Wieland Werke Ag | Semi-finished products made of copper or a copper alloy with added carbon |
JP3581339B2 (en) * | 2001-08-02 | 2004-10-27 | メルク株式会社 | High corrosion-resistant flaky metal pigment, method for producing the same, and metallic luster interference coloring pigment based on the same |
DE102006007485B3 (en) * | 2006-02-17 | 2007-08-02 | Atc Establishment | Portioning device in particular for fine powder, comprises specifically positioned sieve and two conveyor worms |
CN103194640B (en) * | 2013-04-07 | 2015-08-26 | 宁波博威合金材料股份有限公司 | Xantal and preparation method thereof |
CN103742654B (en) * | 2014-01-20 | 2016-08-17 | 河南龙成煤高效技术应用有限公司 | A kind of gas sealing valve for high temperature with high dust content environment |
-
2017
- 2017-07-28 EP EP17183761.0A patent/EP3434335A1/en not_active Withdrawn
-
2018
- 2018-07-23 KR KR1020207002175A patent/KR20200035946A/en unknown
- 2018-07-23 JP JP2020504102A patent/JP2020528108A/en active Pending
- 2018-07-23 US US16/631,024 patent/US20200139170A1/en not_active Abandoned
- 2018-07-23 EP EP18753320.3A patent/EP3658240A1/en not_active Withdrawn
- 2018-07-23 WO PCT/EP2018/069897 patent/WO2019020557A1/en active Application Filing
- 2018-07-23 CA CA3071031A patent/CA3071031A1/en not_active Abandoned
- 2018-07-23 CN CN201880047842.9A patent/CN110891653A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN110891653A (en) | 2020-03-17 |
EP3434335A1 (en) | 2019-01-30 |
WO2019020557A1 (en) | 2019-01-31 |
CA3071031A1 (en) | 2019-01-31 |
JP2020528108A (en) | 2020-09-17 |
KR20200035946A (en) | 2020-04-06 |
US20200139170A1 (en) | 2020-05-07 |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ZIMMERMANN, WERNER Owner name: HUFSCHMIDT, ROLF Owner name: WALTHER, CLAUS-DIETHER |
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