DE2111615A1 - Foundry sand compsn - contg quartz sand and sugar-contg soln - Google Patents

Foundry sand compsn - contg quartz sand and sugar-contg soln

Info

Publication number
DE2111615A1
DE2111615A1 DE19712111615 DE2111615A DE2111615A1 DE 2111615 A1 DE2111615 A1 DE 2111615A1 DE 19712111615 DE19712111615 DE 19712111615 DE 2111615 A DE2111615 A DE 2111615A DE 2111615 A1 DE2111615 A1 DE 2111615A1
Authority
DE
Germany
Prior art keywords
contg
sugar
sand
soln
compsn
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.)
Pending
Application number
DE19712111615
Other languages
German (de)
Inventor
Zivko Dipl-Chem Tasic
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19712111615 priority Critical patent/DE2111615A1/en
Publication of DE2111615A1 publication Critical patent/DE2111615A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/26—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of carbohydrates; of distillation residues therefrom

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

The sugar-contng. viscous soln. contains esp. waste products from the sugar, wood, cellulose and starch inds. For core making, 1-10% of glycol, diglycol, glycerine and polyalcohols are also added to avoid bridging effects. The sugar products avoid C dust evolution during use.

Description

G i e s s e r e i f o r m s a n d Es ist iiblch, dass man in Giessereien zur Herstellung von Formen einen Formsand, bestehend aus Quarzsand, Bentonit, Wasser und Kohlenstaub verwendet.Gi e s e r e i f o r m s a n d It is common to go to foundries For the production of molds a molding sand, consisting of quartz sand, bentonite, water and coal dust is used.

Durch die hohe Giesstemperatur verliert dieser Pormsand das Wasser. Dadurch werden Kohlenstaub und Bentonit frei und vernesten die Luft.Due to the high pouring temperature, this Pormsand loses the water. As a result, coal dust and bentonite are released and the air becomes more polluted.

Um diesen Umstand zu beseitigen, versucht man heute den Kohlenstaub durch verschiedene Oele und deren Emulsion zu ersetzen. Durch das Beimischen dieser Oele entstehen brennbare Dämpfe led unter ungünstigen Bedingungen Exnl o si onen.In order to eliminate this circumstance, one tries today the coal dust to be replaced by various oils and their emulsions. By adding these Oils produce flammable vapors and, under unfavorable conditions, explode.

Mit nachfolgend aufgeführtem Verfahren beseitigt man diese Mangel. Ausserdem erhält man damit kantenschärferen und druckfesteren Formsand, der zusätzlich noch den Vorteil hat, dass er nach dem trocknen keinen Staub entwickelt.This deficiency can be eliminated with the following procedure. In addition, you get sharper edges and more pressure-resistant molding sand, which also nor has the advantage that it does not develop any dust after drying.

Dieses neue Verfahren besteht aus einer zähflüssigen Zuckerlösung, -sirup von der man 2% - 6% mit dem Quarzsand vermischt, Formen macht und giesst.This new process consists of a viscous sugar solution, syrup of which you mix 2% - 6% with the quartz sand, make molds and pour.

Zusatzlich kann man zu diesem Zuckersirup noch Sulfitabauge, Melasse, Dextrose, -ablaufe, Stärkesirup etc.In addition to this sugar syrup, you can add sulphite eye, molasses, Dextrose, drains, corn syrup, etc.

beimischen.mix in.

Um das Zusammenbacken von Formsand nach dem Giessen zu vermeiden, (im Gegensatz eu Kernbinder der aus zuckerhaltigen Produkten besteht) wird 1% - 10% Glykol, Diglykol, Glyzerin etc. zugegeben.To avoid caking of molding sand after pouring, (in contrast to eu core binders which consist of products containing sugar) 1% - 10% glycol, diglycol, glycerine etc. added.

Claims (2)

P a t e n t a n s p r ü c h e :P a t e n t a n s p r ü c h e: 1) Giessereiformsandverfahren. bestehend aus Quarzsand und Zuckersirup, insbesonaere zuckerhaltige Abfallprodukte aus der Zucker-, -Holz-, Stärke-, und Zelluloseindustrie.1) Foundry molding sand process. consisting of quartz sand and sugar syrup, in particular sugary waste products from sugar, wood, starch, and Cellulose industry. 2) wie unter 1 dadurch gekennzeichnet, dass man zusätzlich beliebige Polialkohole, Glykole, Dlglykole, Glyzerin und ähnliches zugibt.2) as under 1 characterized in that you can also add any Poly alcohols, glycols, Dlglykole, glycerin and the like adds.
DE19712111615 1971-03-11 1971-03-11 Foundry sand compsn - contg quartz sand and sugar-contg soln Pending DE2111615A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712111615 DE2111615A1 (en) 1971-03-11 1971-03-11 Foundry sand compsn - contg quartz sand and sugar-contg soln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712111615 DE2111615A1 (en) 1971-03-11 1971-03-11 Foundry sand compsn - contg quartz sand and sugar-contg soln

Publications (1)

Publication Number Publication Date
DE2111615A1 true DE2111615A1 (en) 1972-09-14

Family

ID=5801161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712111615 Pending DE2111615A1 (en) 1971-03-11 1971-03-11 Foundry sand compsn - contg quartz sand and sugar-contg soln

Country Status (1)

Country Link
DE (1) DE2111615A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019015A1 (en) * 1979-04-27 1980-11-26 Alcan Aluminiumwerk Nürnberg GmbH Foundry core for producing hardly accessible hollow cavities in casting pieces, and process for its manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019015A1 (en) * 1979-04-27 1980-11-26 Alcan Aluminiumwerk Nürnberg GmbH Foundry core for producing hardly accessible hollow cavities in casting pieces, and process for its manufacture

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