https://wiki.guldforum.se/w/index.php?action=history&feed=atom&title=Puddelprocess
Puddelprocess - Versionshistorik
2026-10-19T12:05:43Z
Versionshistorik för denna sida på wikin
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https://wiki.guldforum.se/w/index.php?title=Puddelprocess&diff=10102&oldid=prev
Dan Olsson den 25 februari 2013 kl. 01.44
2013-02-25T01:44:00Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Äldre version</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Versionen från 24 februari 2013 kl. 21.44</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Metallurgi]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategori:Metallurgi]]</div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{Link FA|fr}}</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[ar:فرن تسويط]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[cs:Pudlovna]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[es:Pudelación]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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Dan Olsson
https://wiki.guldforum.se/w/index.php?title=Puddelprocess&diff=9898&oldid=prev
Dan Olsson: 1 version
2013-02-25T00:01:43Z
<p>1 version</p>
<p><b>Ny sida</b></p><div>[[Image:Puddling furnace.jpg|thumb|Puddelugn]]<br />
'''Puddelprocess''' var en metod att smälta [[järnmalm]] för att göra [[tackjärn]] av [[smidesjärn]] som kom till användning i Kina redan i slutet av [[Mingdynastin#Teknik och vetenskap|Mingdynastin]].<br />
<br />
I [[Västvärlden]] var det [[Henry Cort]] [[1784]] som fick stå som [[uppfinnare]] av denna [[järnframställning]]smetod. Skillnaden från andra metoder var att det bränsle som användes för att hetta upp [[järn]]et inte kom i direktkontakt med järnet. I en särskild ugn placerades järnmalm eller järnrik [[slagg]] och sedan värmdes ugnen upp med [[generatorgas]], [[stenkol]] eller annat fossilt bränsle. När detta järn smält fyllde man på ugnen med [[tackjärn]] som sedan fick smälta. När allt järn smält rabblades det av ugnspersonalen (''puddlarna''), d.v.s. man rörde om i massan med ett särskilt spett, i syfte att få tackjärnet och det övriga järnet att blandas. På detta sätt [[Färskning|färskades]] järnet och bildade klumpar av smidesjärn. Dessa klumpar lyftes ut och bearbetades sedan under en hammare eller puddelklämma vilken pressade ut så mycket slagg som möjligt. Därefter valsades järnet till råstänger som i sin tur [[Garvning (metallurgi)|garvades]] för att bli av med mer slagg. Helt rent blev aldrig järnet och metoden blev aldrig särskilt vanlig i [[Sverige]], medan den i stenkolsproducerande länder under en tid dominerade järnframställningen.<br />
== Källor ==<br />
*{{runeberg.org|nfam|0203.html Puddling}}<br />
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==Se även==<br />
*[[Masugnsprocess]]<br />
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{{industristub}}<br />
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[[Kategori:Metallurgi]]<br />
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{{Link FA|fr}}<br />
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[[ar:فرن تسويط]]<br />
[[cs:Pudlovna]]<br />
[[de:Puddelverfahren]]<br />
[[en:Puddling (metallurgy)]]<br />
[[es:Pudelación]]<br />
[[fr:Puddlage]]<br />
[[it:Puddellaggio]]<br />
[[hu:Kavaró acélgyártás]]<br />
[[nl:Puddeloven]]<br />
[[ja:攪拌精錬法]]<br />
[[no:Puddelprosess]]<br />
[[ru:Пудлингование]]<br />
[[sk:Pudlovanie]]<br />
[[fi:Putlaus]]<br />
[[uk:Пудлінгування]]</div>
Dan Olsson