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DE4239948A1 - Prodn of natural building material - by comminuting clay soil, further comminuting, drying and finely grinding - Google Patents

Prodn of natural building material - by comminuting clay soil, further comminuting, drying and finely grinding

Info

Publication number
DE4239948A1
DE4239948A1 DE19924239948 DE4239948A DE4239948A1 DE 4239948 A1 DE4239948 A1 DE 4239948A1 DE 19924239948 DE19924239948 DE 19924239948 DE 4239948 A DE4239948 A DE 4239948A DE 4239948 A1 DE4239948 A1 DE 4239948A1
Authority
DE
Germany
Prior art keywords
comminuting
clay
grain size
building material
drying
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
DE19924239948
Other languages
German (de)
Other versions
DE4239948C2 (en
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.)
EIDER WALDEMAR 67806 BISTERSCHIED
Original Assignee
EIDER WALDEMAR 67806 BISTERSCHIED
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 EIDER WALDEMAR 67806 BISTERSCHIED filed Critical EIDER WALDEMAR 67806 BISTERSCHIED
Priority to DE19924239948 priority Critical patent/DE4239948C2/en
Publication of DE4239948A1 publication Critical patent/DE4239948A1/en
Application granted granted Critical
Publication of DE4239948C2 publication Critical patent/DE4239948C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • B02C21/02Transportable disintegrating plant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C1/00Apparatus or methods for obtaining or processing clay
    • B28C1/10Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants
    • B28C1/14Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/001Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing unburned clay

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Prodn. of a natural base building material of clay soil comprises: (a) comminuting the clay soil in a rolling breaker to a grain size of 10-20mm; (b) comminuting the material from (a) in a further rolling breaker to a grain size of 0-4mm; (c) drying at approx. 200 deg.C in a rotating tubular furnace of 800 deg.C flame temp.; and (d) finely grinding to a powder in a mill, combined with a dryer, to a grain size of approx. 0.063-0.090 mm and 1-2% residual moisture. ADVANTAGE - The building material produced is of high strength.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines natürlichen Grund-Baustoffs aus Lehmböden.The invention relates to a method for producing a natural basic building material from clay soils.

Lehmböden sind ein Gemisch aus Ton, Schluff und Sand und sind praktisch überall auf der festen Erdkruste vorhanden und gewinnbar. Die Lehmbauweise ist daher älter als der Back­ steinbau und der Betonbau. Die älteste bekannte Lehmarchitektur ist durch den Städtebau in Jericho und durch den Turmbau von Babel belegt, wogegen in Afrika noch heute Beispiele für Lehm als Architektur vorzufinden sind.Clay soils are a mixture of clay, silt and sand and are practically everywhere on the solid earth's crust and recoverable. The loam construction is therefore older than the baking stone construction and concrete construction. The oldest known clay architecture is due to the urban development in Jericho and the tower construction documented by Babel, whereas examples of Clay can be found as architecture.

Der Lehm besitzt ein hervorragendes Wasserspeichervermögen und eine Wasserdurchlässigkeit, die mit einer guten Durchlüftung einhergeht. Dies ist auf seinen Sandanteil zurückzuführen, der ausreichend große freie Porenzwischenräume für die Wasser- und Luftaufnahme freiläßt. Der Tonanteil des Lehms ist für seine besonders gute Bildsamkeit verantwortlich, die die Fähigkeit des Lehms zu starker Verformung ohne Rißbildung bezeichnet.The clay has an excellent water storage capacity and a water permeability with good ventilation goes along. This is due to its sand content, the sufficiently large free pore spaces for the water and Aerial view leaves blank. The clay portion of the clay is for his particularly good plasticity responsible which is the ability of the clay is called excessive deformation without cracking.

Der Hauptnachteil des Lehms als Baustoff besteht darin, daß er wegen seiner unterschiedlichen Mengenanteile der drei Haupt­ komponenten unterschiedliche Ausgangseigenschaften hat, die zu unterschiedlichen Endeigenschaften der Lehmbaustoffe führen. Man kann also keine bestimmten Festigkeiten und Eigenschaften eines Lehmbaustoffs garantieren bzw. nach festen Mischregeln herstellen. Andererseits lädt sich Lehm auch zu unterschiedlichen Lehmbaustoffen verarbeiten, nämlich zu Stampflehm, zu Lehmziegelbau und als Ausfüllmaterial für den Lehmfachwerkbau, als Mörtel und als Putz. Man kann für diese unterschiedlichen Anwendungsformen von Lehmbaustoffen keine allgemeingültigen festen Mischrezepte festlegen und anwenden, weil die örtlichen Lehmböden in ihrer Zusammensetzung stark schwanken.The main disadvantage of clay as a building material is that it because of its different proportions of the three main components has different initial properties that too different end properties of earth building materials. So you can not have certain strengths and properties of an earth building material or according to fixed mixing rules produce. On the other hand, clay also invites to different ones Process earth building materials, namely rammed earth Adobe construction and as filler material for adobe framework construction, as mortar and plaster. One can go for these different ones Forms of use of earth building materials are not generally applicable determine and apply fixed mixing recipes because the local ones  Clay soils vary widely in their composition.

Die Erfindung geht von der Erkenntnis aus, daß die Lehm­ böden, die für eine Verwendung als natürliche Grund-Baustoffe bestimmt sind, in ihren Eigenschaften durch eine bestimmte Vorbehandlung vereinheitlicht und standardisiert werden müssen, damit unter Anwendung bestimmter gleichbleibender Mischrezepte immer gleiche und garantierte Festigkeiten und Eigenschaften in den Endprodukten entstehen, gleichgültig ob es sich um Stampflehm, Lehmformsteine, Mörtel oder Putz handelt.The invention is based on the knowledge that the clay floors that are intended for use as natural basic building materials are determined in their properties by a certain Pretreatment must be standardized and standardized, thus using certain constant mixed recipes always the same and guaranteed strengths and properties arise in the end products, regardless of whether it is Rammed earth, clay blocks, mortar or plaster.

Der Erfindung liegt die Aufgabe zugrunde, natürliche Grund- Baustoffe aus Lehmböden mit oder ohne Zuschlagstoffe zu schaf­ fen, die lediglich an der Baustelle mit Wasser und entsprechend einem bestimmten Mischrezept mit Zuschlagstoffen vermischt werden müssen, um Baustoffe mit garantierten Festigkeiten zu ergeben.The invention has for its object natural To create building materials from clay soils with or without additives fen, only at the construction site with water and accordingly mixed with additives in a specific mixing recipe have to be to build materials with guaranteed strength surrender.

Gelöst wird diese Aufgabe nach dem erfindungsgemäßen Verfahren durch eine erste Zerkleinerung des Rohlehmbodens in einem Walzenbrecher bis auf 10 bis 20 mm Korngröße, eine zweite Zer­ kleinerung des Zerkleinerungsguts in einem weiteren Walzenbrecher bis auf 0 bis 4 mm Korngröße, eine Trocknung des zweiten Zerklei­ nerungsguts bei ca. 200°C in einem Drehrohrofen (Trieblextrockner, Drehzugtrockner) mit 800°C Flammentemperatur und eine Feinzer­ mahlung des Trocknungsguts zu Mehl oder Pulver in einer Walzen­ schüsselmühle, die mit einem Nachtrockner kombiniert ist, bis auf ca. 0,063-0,090 mm Korngröße und 1-2% Restfeuchte.This object is achieved by the method according to the invention by first crushing the raw clay floor in one Roll crusher up to 10 to 20 mm grain size, a second cer reduction of the size of the shredded material in another roll crusher up to 0 to 4 mm grain size, drying of the second pulp at a temperature of approx. 200 ° C in a rotary kiln (Trieblex dryer, Rotary dryer) with 800 ° C flame temperature and a finer grinding of the drying goods into flour or powder in a roller bowl mill, which is combined with a night dryer, except 0.063-0.090 mm grain size and 1-2% residual moisture.

Diesem Lehmpulver können nach seiner Herstellung geeignete faserige Zuschlagstoffe bzw. Füllmaterial, Sand u. a. m. zugegeben werden, wonach diese genau definierten Lehmpulvermischungen in Säcken verpackt oder in Transportsilos zur Baustelle transportiert wer­ den können, wo lediglich eine Wasserzumischung erfolgt. Bei der Vermischung mit Wasser können selbstverständlich noch weitere Zu­ schlagstoffe und Sand zugemischt werden, wenn das angelie­ ferte Lehmpulver diese Zuschlagstoffe noch nicht enthält.This clay powder can be suitable fibrous after its production Aggregates or filling material, sand and. a. m. be admitted after which these precisely defined clay powder mixtures in sacks packed or transported in transport silos to the construction site can where only water is added. In the Mixing with water can of course also be used  Impact and sand are added when the angelie clay powder does not contain these additives.

Fertiggemischte, die nötigen Zuschlagstoffe im richtigen Ver­ hältnis enthaltende Lehmpulver, die an der Baustelle lediglich noch einer Wasserzugabe bedürfen, ersparen die lästige Misch­ arbeit an der Baustelle und vereinfachen die Herstellarbeit wesentlich, so daß sie im Einsatz bevorzugt sind.Ready mixed, the necessary additives in the correct ver clay powder containing ratio, which at the construction site only still need to be added water, save the annoying mixing work on the construction site and simplify the manufacturing work essential, so that they are preferred in use.

Das beschriebene Rohlehmverarbeitungsverfahren gibt dem Grund- Baustoff Lehm einheitliche Ausgangseigenschaften, die dem Endprodukt unter Anwendung der jeweiligen Mischrezeptur auch bestimmte gewünschte Endeigenschaften geben.The raw clay processing method described gives the basic Building material clay uniform starting properties that the End product using the respective mixing recipe too give certain desired final properties.

Gegenüber dem vergleichbaren Bindemittel in Form von Zement hat das beschriebene Lehmpulver-Bindemittel den Vorteil, daß seine Herstellung wegen des Fortfalls der Zementbrennung wesentlich energieärmer vonstatten geht, was in ökologischer Hinsicht vor­ teilhaft ist.Compared to the comparable binder in the form of cement the clay powder binder described has the advantage that its Manufacturing essential due to the elimination of cement burning less energy is what happens in ecological terms is partaking.

Claims (3)

1. Verfahren zur Herstellung eines natürlichen Grund-Baustoffs aus Lehmböden, gekennzeichnet durch
  • - eine erste Zerkleinerung des Rohlehmbodens in einem Walzen­ brecher bis auf 10-20 mm Korngröße,
  • - eine zweite Zerkleinerung des Zerkleinerungsguts in einem weiteren Walzenbrecher bis auf 0-4 mm Korngröße,
  • - eine Trocknung des zweiten Zerkleinerungsguts bei ca. 200°C in einem Drehrohrofen (Trieblextrockner, Drehzugtrockner) mit 800°C Flammentemperatur
1. A process for producing a natural basic building material from clay soils, characterized by
  • - a first crushing of the raw clay soil in a roller crusher down to 10-20 mm grain size,
  • a second comminution of the comminution material in a further roller crusher down to a grain size of 0-4 mm,
  • - Drying the second comminuted material at approx. 200 ° C in a rotary tube oven (Trieblex dryer, rotary pull dryer) with a flame temperature of 800 ° C
und
  • - eine Feinzermahlung des Trocknungsguts zu Mehl oder Pulver in einer Walzenschüsselmühle, die mit einem Nachtrockner kombiniert ist, bis auf ca. 0,063-0,090 mm Korngröße und 1-2% Restfeuchte.
and
  • - A fine grinding of the dried material to flour or powder in a roller mill, which is combined with an after-dryer, down to approx. 0.063-0.090 mm grain size and 1-2% residual moisture.
2. Verfahren nach Anspruch 1, gekennzeichnet durch Zugabe von faserigen Zuschlagstoffen bzw. Füllmaterial , Sand u. a. m. zum Lehmpulver.2. The method according to claim 1, marked by Addition of fibrous additives or filler material, sand u. a. m. to the clay powder.
DE19924239948 1992-11-27 1992-11-27 Process for the production of a natural building material from clay soils for plaster, mortar or formwork filling Expired - Fee Related DE4239948C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19924239948 DE4239948C2 (en) 1992-11-27 1992-11-27 Process for the production of a natural building material from clay soils for plaster, mortar or formwork filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924239948 DE4239948C2 (en) 1992-11-27 1992-11-27 Process for the production of a natural building material from clay soils for plaster, mortar or formwork filling

Publications (2)

Publication Number Publication Date
DE4239948A1 true DE4239948A1 (en) 1994-06-01
DE4239948C2 DE4239948C2 (en) 1996-07-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29603687U1 (en) * 1996-02-29 1996-05-15 Korker Anstalten Körperschaft des öffentlichen Rechts, 77694 Kehl Building material, as preparation from clay mud, chopped straw, cork meal, water
DE19735846A1 (en) * 1997-08-19 1999-02-25 Christof Ziegert Adding hemp shives and/or fibers to clay building materials
DE19736526A1 (en) * 1997-08-22 1999-02-25 Roland Meingast Unfired loam and-or clay building material mixture
WO2004101156A1 (en) * 2003-05-14 2004-11-25 Schenk Juergen Method and device for processing excavated earth
WO2023027568A1 (en) * 2021-08-24 2023-03-02 Université Internationale d'Agadir - Universiapolis Method for obtaining a composite of a clay-based dry mortar

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD294210A5 (en) * 1990-05-07 1991-09-26 Hochschule Fuer Architektur Und Bauwesen,De PROCESS FOR THE PRODUCTION OF TEETHSTUFFS
DE4123224A1 (en) * 1991-07-11 1993-01-21 Zur Nieden Guenter Dipl Ing Ar Wood glue mfr. from recycled wood working plants of forestry waste - involves mixing wood material with glue or clay for use in wall or ceiling cavities providing good ventilation
DE4132009C1 (en) * 1991-09-26 1993-05-06 Hans-Bernd 4100 Duisburg De Kraus Clay building material - contg. clay, short fibre material e.g. straw, clay building material, filler, hardener, etc.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD294210A5 (en) * 1990-05-07 1991-09-26 Hochschule Fuer Architektur Und Bauwesen,De PROCESS FOR THE PRODUCTION OF TEETHSTUFFS
DE4123224A1 (en) * 1991-07-11 1993-01-21 Zur Nieden Guenter Dipl Ing Ar Wood glue mfr. from recycled wood working plants of forestry waste - involves mixing wood material with glue or clay for use in wall or ceiling cavities providing good ventilation
DE4132009C1 (en) * 1991-09-26 1993-05-06 Hans-Bernd 4100 Duisburg De Kraus Clay building material - contg. clay, short fibre material e.g. straw, clay building material, filler, hardener, etc.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29603687U1 (en) * 1996-02-29 1996-05-15 Korker Anstalten Körperschaft des öffentlichen Rechts, 77694 Kehl Building material, as preparation from clay mud, chopped straw, cork meal, water
DE19735846A1 (en) * 1997-08-19 1999-02-25 Christof Ziegert Adding hemp shives and/or fibers to clay building materials
DE19736526A1 (en) * 1997-08-22 1999-02-25 Roland Meingast Unfired loam and-or clay building material mixture
WO2004101156A1 (en) * 2003-05-14 2004-11-25 Schenk Juergen Method and device for processing excavated earth
WO2023027568A1 (en) * 2021-08-24 2023-03-02 Université Internationale d'Agadir - Universiapolis Method for obtaining a composite of a clay-based dry mortar

Also Published As

Publication number Publication date
DE4239948C2 (en) 1996-07-11

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Legal Events

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OP8 Request for examination as to paragraph 44 patent law
8181 Inventor (new situation)

Free format text: EIDER, WALDEMAR, 67806 BISTERSCHIED, DE

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee