HRP980034A2 - A reaction crucible for an alumino thermal rail welding apparatus - Google Patents
A reaction crucible for an alumino thermal rail welding apparatusInfo
- Publication number
- HRP980034A2 HRP980034A2 HR19702410.6A HRP980034A HRP980034A2 HR P980034 A2 HRP980034 A2 HR P980034A2 HR P980034 A HRP980034 A HR P980034A HR P980034 A2 HRP980034 A2 HR P980034A2
- Authority
- HR
- Croatia
- Prior art keywords
- melting pot
- pot
- reactor
- melting
- welding
- Prior art date
Links
- 238000003466 welding Methods 0.000 title claims description 24
- 238000006243 chemical reaction Methods 0.000 title description 4
- 238000002844 melting Methods 0.000 claims description 50
- 230000008018 melting Effects 0.000 claims description 50
- 238000005266 casting Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000003566 sealing material Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007133 aluminothermic reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K23/00—Alumino-thermic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/26—Railway- or like rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Heat Treatment Of Articles (AREA)
- Arc Welding In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
Izum se odnosi na reaktorski lonac za taljenje uz aluminotermički uređaj za zavarivanje tračnica. Kod aluminotermičkog postupka zavarivanja tračnica, takozvanog Thermit®-postupka zavarivanja taljenjem, iskorištava se kemijska reakcija za dobivanje pregrijanog žitkog dodatnog materijala, što znači da se velikim afinitetom aluminija prema kisiku reducira okside teških metala, prvenstveno željezov oksid. The invention relates to a reactor melting pot with an aluminothermic device for rail welding. In the aluminothermic process of rail welding, the so-called Thermit® fusion welding process, a chemical reaction is used to obtain superheated granular additional material, which means that the high affinity of aluminum for oxygen reduces heavy metal oxides, primarily iron oxide.
Thermit®-punjenje za zavarivanje, čiji su osnovni sastavni dijelovi željezov oksid i aluminij, unese se u reaktorski lonac za taljenje, koji se postavi iznad krajeva tračnica koje se zavaruje, ograđenih kalupom za lijevanje-Aluminotermička reakcija se odvija nakon točkastog paljenja specijalnim štapom za paljenje u loncu za taljenje u nekoliko sekundi uz snažno razvijanje topline. Vrući produkti reakcije približno 2500°C se zatim odvajaju, pri čemu specifično lakša troska pliva na željezu. Vrući žitki Thermit®-čelik se zatim iz donjeg kraja reaktorskog lonca za taljenje, koji je opremljen taljivim čepom, lijeva u kalup za lijevanje i zavari krajeve tračnica lijevom između čela tračnica i oko njih. Thermit® welding filler, whose basic constituents are iron oxide and aluminum, is introduced into the reactor melting pot, which is placed above the ends of the rails to be welded, surrounded by a casting mold - The aluminothermic reaction takes place after point ignition with a special rod for ignition in the melting pot in a few seconds with strong heat generation. The hot reaction products of approximately 2500°C are then separated, with the specifically lighter slag floating on the iron. Hot grain Thermit® steel is then poured from the lower end of the reactor melting pot, which is equipped with a fusible plug, into a casting mold and welds the ends of the rails left between and around the rail faces.
U principu Thermit®-postupkom zavarivanja mogu se zavariti komadi metala svih vrsta presjeka po volji, novi iii kod popravka. Svoju najveću rasprostranjenost našao je aluminotermički postupak zavarivanja kod zavarivanja tračnica radi svoje jednostavne i o vanjskim izvorima energije neovisne izvedbe. Punjenje za zavarivanje uneseno u reaktorski lonac za taljenje svojom količinom i sastavom podešeno je profilu tračnica i materijalu tračnica. Reaktorski lonac za taljenje proizvodi se obično od magnezita i oprema odgovarajućim čepom za lonac za taljenje- In principle, the Thermit® welding process can be used to weld pieces of metal of any cross-section, new or repaired. The aluminothermic welding process has found its greatest prevalence in the welding of rails due to its simple performance independent of external energy sources. The amount and composition of the welding charge introduced into the reactor melting pot is adjusted to the profile of the rails and the material of the rails. The reactor melting pot is usually made of magnesite and equipped with a suitable plug for the melting pot -
Nakon paljenja punjenja kojim se zavaruje, stavi se na konično oblikovani reaktorski lonac za taljenje poklopac od metala i čvrsto spoji s reaktorskim loncem za taljenje. Za učvršćenje reaktorskog lonca za taljenje, koji se nakon reakcije može opet višestruko koristiti, predviđen je relativno skup, težak i kompliciran pridržni uređaj, koji se montira na tračnici, a omogućuje mijenjanje smjera okretanja reaktorskog lonca za taljenje oko vertikalne osi u područje kalupa za lijevanje. U cjelini je za primjenu reaktorskog lonca za taljenje potrebno mnogo sastavnih dijelova uređaja, koji se moraju transportirati do mjesta zavarivanja i tamo uz gubitak vremena sastaviti. After igniting the charge to be welded, a metal lid is placed on the conically shaped reactor melting pot and tightly connected to the reactor melting pot. To fix the reactor melting pot, which can be used multiple times after the reaction, a relatively expensive, heavy and complicated holding device is provided, which is mounted on a rail, and allows changing the direction of rotation of the reactor melting pot around the vertical axis in the area of the casting mold . In general, the application of a reactor melting pot requires many component parts of the device, which must be transported to the welding site and assembled there with a waste of time.
Iz EP-B-0 407 240 poznat je aluminotermički uređaj za zavarivanje, koji se sastoji od reaktorskog lonca za taljenje i kalupa za lijevanje prilagođenog ovom loncu za taljenje. On je na dnu lagano konično oblikovan i primjenjiv za jednokratno aluminotermičko zavarivanje. On nema vanjski zaštitni plašt i stoga je vrlo osjetljiv na lom. Osim toga je relativno težak i zbog toga se njime teško rukuje na pruzi. An aluminothermic welding device is known from EP-B-0 407 240, which consists of a reactor melting pot and a casting mold adapted to this melting pot. It has a slightly conical shape at the bottom and is suitable for one-time aluminothermic welding. It has no outer protective sheath and is therefore very susceptible to breakage. In addition, it is relatively heavy and therefore difficult to handle on the railway.
Cilj je izuma zatim, da se dobije reaktorski lonac za taljenje, koji je. bitno jednostavniji nego dosadašnji reaktorski lonci za taljenje, osim toga da se izbjegne skup pridržni uređaj, a usto da se njime i lakše rukuje. The aim of the invention is to obtain a reactor melting pot, which is significantly simpler than the current reactor melting pots, in addition to avoiding an expensive holding device, and at the same time making it easier to handle.
Reaktorski lonac za taljenje prema izumu naznačen je time, da je oblikovan cilindričnim plaštem lonca za taljenje 1 od metalnog lima, koji je iznutra obložen vatrootpornom oblogom 4, pri čemu je u ravnom dnu lonca za taljenje izveden centralni otvor 5, koji je ispunjen brtvenim materijalom, pri čemu plašt lonca za taljenje 1 ima poklopac 3 i ručicu za nošenje 2, a ujedno predstavlja "bransportni spremnik punjenja za zavarivanje, koji se može postaviti neposredno na kalup za lijevanje kao i po potrebi na njemu učvrstiti. The reactor melting pot according to the invention is characterized by the fact that it is formed by a cylindrical shell of the melting pot 1 made of sheet metal, which is internally coated with a fire-resistant coating 4, while the flat bottom of the melting pot has a central opening 5, which is filled with sealing material , where the mantle of the melting pot 1 has a cover 3 and a carrying handle 2, and at the same time represents a "bransport container for welding, which can be placed directly on the casting mold and, if necessary, fixed on it.
Izumom se time stvara transportni spremnik za punjenje za zavarivanje, koji ujedno služi kao reaktorski lonac odnosno lonac za taljenje i koji neposredno može biti učvršćen na kalupu za lijevanje oblikom priključka i/ili pritisnut mehaničkim silama, čime se izbjegava kako izvedba specijalno oblikovanog i skupog lonca za taljenje;, tako i posebnog pridržnog uređaja za njega. The invention thereby creates a transport container for filling for welding, which also serves as a reactor pot or a melting pot and which can be directly fixed on the casting mold by the shape of the connection and/or pressed by mechanical forces, which avoids the implementation of a specially shaped and expensive pot for melting; as well as a special holding device for it.
Punjenje za zavarivanje može se primjerice transportirati u loncu za taljenje zamotano u vreći ili u kutiji, pri čemu se nakon paljenja dijela za zavarivanje omot tali, odnosno izgara. Prvenstveno se primjenjuje reaktorski lonac za taljenje, koji je karakteriziran time, da ima visinu od 200 do 800 mm debljina stijenke vatrootporno obloženog plašta lonca za taljenje i dna lonca za taljenje iznosi 5 do 60 mm, a njegov je promjer 100 do 1000 mm. The welding charge can, for example, be transported in a melting pot wrapped in a bag or in a box, whereby after igniting the welding part, the wrapping melts or burns. Primarily, a reactor melting pot is used, which is characterized by the fact that it has a height of 200 to 800 mm, the wall thickness of the refractory coated melting pot and the bottom of the melting pot is 5 to 60 mm, and its diameter is 100 to 1000 mm.
Svrsishodniji je otvor u ravnom dnu lonca za taljenje velik 5 do 40 mm i pritom se zatvara čepom lonca za taljenje, koji se kod kontakta s tekućom, vrućom, aluminotermičkom reakcionom smjesom rastali, a tada se žitku reakcionu smjesu pusti da teče u kalup za lijevanje koji se nalazi ispod. A more expedient opening in the flat bottom of the melting pot is 5 to 40 mm in size and is closed with the melting pot plug, which melts when it comes into contact with the liquid, hot, aluminothermic reaction mixture, and then the fine reaction mixture is allowed to flow into the casting mold. which is located below.
Izum se u slijedećem pobliže objašnjava na izvedbenom primjeru uzimajući u obzir priloženi crtež, koji na slici 1 pokazuje reaktorski lonac za taljenje prema izumu. In the following, the invention is explained in more detail on the basis of an exemplary embodiment, taking into account the attached drawing, which in Figure 1 shows the reactor melting pot according to the invention.
Prikazani reaktorski lonac za taljenje sastoji se od cilindričnog plašta lonca za taljenje 1 od metalnog lima, npr. od bijelog lima, koji je opremljen ručicom za nošenje 2 i poklopcem 3. U cilindrični plašt lonca za taljenje 1 nabije se ili uloži stvarni reaktorski lonac za taljenje u obliku obloge 4 iz smjese pijeska, a u centralni otvor 5 u dnu cilindričnog plašta 1 i obloge 4 nabije brtveni materijal umjesto čepa lonca za taljenje. The shown reactor melting pot consists of a cylindrical shell of the melting pot 1 made of sheet metal, for example white sheet, which is equipped with a carrying handle 2 and a cover 3. Into the cylindrical shell of the melting pot 1 is packed or inserted the actual reactor pot for melting in the form of lining 4 from a mixture of sand, and in the central opening 5 in the bottom of the cylindrical mantle 1 and lining 4 stuffs the sealing material instead of the melting pot cap.
U oblogu cilindričnog plašta lonca za taljenje ubaci se punjenje za zavarivanje zapakovano ili u komercijalno uobičajenoj iimenki ili u uobičajenoj vreći od sintetičke tvari ili u nekom drugom omotu, pri čemu se punjenjem napuni otprilike 3/4 reaktorskog lonca za taljenje. Nakon stavljanja reaktorskog lonca za taljenje na kalup za lijevanje i nakon učvršćivanja reaktorskog lonca za taljenje na kalupu za lijevanje oblikom priključka kalupa i/ili mehaničkom silom, npr. pomoću graničnika na kalupu za lijevanje, skine se poklopac 3 i punjenje za zavarivanje upali pomoću specijalnog štapa za paljenje, nakon čega se poklopac opet stavi. A welding charge packed either in a commercially common container or in a common synthetic material bag or other wrapping is inserted into the liner of the melting pot, filling approximately 3/4 of the reactor melting pot. After placing the reactor melting pot on the casting mold and after fixing the reactor melting pot on the casting mold by the shape of the mold connection and/or by mechanical force, e.g. using the stop on the casting mold, cover 3 is removed and the welding charge is ignited using a special the ignition stick, after which the cover is put back on.
Čim reakcija krene, tali se materijal za brtvljenje u otvoru dna reaktorskog lonca za taljenje, i rastaljeni tekući čelik teče u kalup za lijevanje- U praksi se pokazalo, da uslijed cilindričnog oblika i ravnog dna reaktorskog lonca za taljenje punjenje za zavarivanje osobito mirno reagira. As soon as the reaction starts, the sealing material melts in the opening of the bottom of the reactor melting pot, and the molten liquid steel flows into the casting mold - In practice, it has been shown that due to the cylindrical shape and flat bottom of the reactor melting pot, the welding charge reacts particularly calmly.
Po završetku postupka zavarivanja može plašt lonca za taljenje 1 apsorbirati sve u toku postupka zavarivanja nagomilane otpatke, kao ostatke oblikovanja, trosku itd., čime se pojednostavljuje njihovo zbrinjavanje. At the end of the welding process, the mantle of the melting pot 1 can absorb all the accumulated waste during the welding process, such as molding residues, slag, etc., which simplifies their disposal.
Izum omogućuje bitno manji trošak na uređajima, težini i osoblju nego do sada. Podrazumijeva se, da veličina plašta lonca za taljenje može biti priiagođena posebnim zahtjevima zavarivanja. The invention allows significantly lower costs for devices, weight and personnel than before. It goes without saying that the size of the melting pot jacket can be adapted to special welding requirements.
Claims (3)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702410A DE19702410C1 (en) | 1997-01-24 | 1997-01-24 | Reaction crucible for alumino thermal welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HRP980034A2 true HRP980034A2 (en) | 1999-02-28 |
| HRP980034B1 HRP980034B1 (en) | 2000-10-31 |
Family
ID=7818201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR980034A HRP980034B1 (en) | 1997-01-24 | 1998-01-23 | A reaction crucible for an alumino thermal rail welding apparatus |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPH10211592A (en) |
| AT (1) | AT408731B (en) |
| AU (1) | AU5275998A (en) |
| BA (1) | BA97267A (en) |
| BG (1) | BG63109B1 (en) |
| CZ (1) | CZ21698A3 (en) |
| DE (1) | DE19702410C1 (en) |
| FR (1) | FR2758753A1 (en) |
| HR (1) | HRP980034B1 (en) |
| HU (1) | HU217925B (en) |
| SI (1) | SI9800013A (en) |
| SK (1) | SK7698A3 (en) |
| YU (1) | YU198A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19822851A1 (en) * | 1998-05-22 | 1999-11-25 | Rolf Ploetz | Transportable reaction crucible for metallothermic welding material for once-only use |
| FR2835000B1 (en) * | 2002-01-21 | 2004-11-05 | Delachaux Sa | PROCESS FOR THE MANUFACTURE OF METAL ELEMENTS USING A CRUCIBLE |
| DE102008049947A1 (en) | 2008-10-02 | 2010-04-08 | Plötz, Rolf | Method for connecting two rail ends and device for vibration relaxation of the welded joint |
| DE202011004494U1 (en) | 2011-03-28 | 2011-05-26 | Elektro-Thermit GmbH & Co. KG, 06132 | Closure for a reaction crucible |
| RU2477208C2 (en) * | 2011-04-07 | 2013-03-10 | Государственное образовательное учреждение высшего профессионального образования "Тольяттинский государственный университет" | Device for repairing parts with exposed surface defects |
| RU2527565C1 (en) * | 2013-03-12 | 2014-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего професссионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ_) | Removable portable lined crucible for induction welding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1201156B (en) * | 1963-10-08 | 1965-09-16 | Elektro Thermit Gmbh | Mold for aluminothermic rail welding |
| FR2648375B1 (en) * | 1989-06-14 | 1991-09-27 | Delachaux Sa | ALUMINOTHERMAL WELDING DEVICE; CRUCIBLE AND CRUCIBLE COVER ENTERING INTO ITS COMPOSITION |
-
1997
- 1997-01-24 DE DE19702410A patent/DE19702410C1/en not_active Expired - Fee Related
- 1997-10-13 AT AT0172897A patent/AT408731B/en not_active IP Right Cessation
- 1997-10-27 BG BG101998A patent/BG63109B1/en unknown
- 1997-10-31 BA BA970267A patent/BA97267A/en unknown
- 1997-11-27 FR FR9714922A patent/FR2758753A1/en not_active Withdrawn
-
1998
- 1998-01-05 YU YU198A patent/YU198A/en unknown
- 1998-01-20 SK SK76-98A patent/SK7698A3/en unknown
- 1998-01-20 SI SI9800013A patent/SI9800013A/en not_active IP Right Cessation
- 1998-01-21 JP JP10009416A patent/JPH10211592A/en active Pending
- 1998-01-22 HU HU9800108A patent/HU217925B/en not_active IP Right Cessation
- 1998-01-23 HR HR980034A patent/HRP980034B1/en not_active IP Right Cessation
- 1998-01-23 CZ CZ98216A patent/CZ21698A3/en unknown
- 1998-01-23 AU AU52759/98A patent/AU5275998A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| BG101998A (en) | 1998-07-31 |
| JPH10211592A (en) | 1998-08-11 |
| FR2758753A1 (en) | 1998-07-31 |
| HUP9800108A1 (en) | 1998-07-28 |
| BA97267A (en) | 2000-05-02 |
| DE19702410C1 (en) | 1998-03-12 |
| AT408731B (en) | 2002-02-25 |
| ATA172897A (en) | 2001-07-15 |
| SI9800013A (en) | 1998-08-31 |
| HU9800108D0 (en) | 1998-03-30 |
| AU5275998A (en) | 1998-07-30 |
| HRP980034B1 (en) | 2000-10-31 |
| SK7698A3 (en) | 1998-11-04 |
| YU198A (en) | 1999-11-22 |
| HU217925B (en) | 2000-05-28 |
| BG63109B1 (en) | 2001-04-30 |
| CZ21698A3 (en) | 1999-05-12 |
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| A1OB | Publication of a patent application | ||
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| ODRP | Renewal fee for the maintenance of a patent |
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| PBON | Lapse due to non-payment of renewal fee |
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