DE927136C - Process for the production of lightweight building materials by sintering - Google Patents

Process for the production of lightweight building materials by sintering

Info

Publication number
DE927136C
DE927136C DEM18306A DEM0018306A DE927136C DE 927136 C DE927136 C DE 927136C DE M18306 A DEM18306 A DE M18306A DE M0018306 A DEM0018306 A DE M0018306A DE 927136 C DE927136 C DE 927136C
Authority
DE
Germany
Prior art keywords
sintering
waste products
burning
production
building materials
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.)
Expired
Application number
DEM18306A
Other languages
German (de)
Inventor
Kurt Dr Meyer
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Priority to DEM18306A priority Critical patent/DE927136C/en
Application granted granted Critical
Publication of DE927136C publication Critical patent/DE927136C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/24—Cements from oil shales, residues or waste other than slag
    • C04B7/30—Cements from oil shales, residues or waste other than slag from oil shale; from oil shale residues ; from lignite processing, e.g. using certain lignite fractions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/12—Waste materials; Refuse from quarries, mining or the like
    • C04B18/125—Slate residues, e.g. colliery shale or oil shale or oil shale ash
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Description

Verfahren zur Herstellung von Leichtbaustoffen durch Sintern Zur Herstellung von Leichtbaustoffen werden nach dem Saugzugverfahren Abfallprodukte der Kohlenaufbereitung, beispielsweise Waschberge, oder andere minderwertige Brennstoffe gesintert. Der Wärmeaufwand für den Sinterprozeß beträgt etwa 6oo kcal/kg Sintergut. Die Abfallprodukte repräsentieren jedoch oft einen weit höheren Heizwert, der sich bis auf z5oo kcal/kg und mehr belaufen kann. Dieser Überschuß geht bei dem bekannten Verfahren verloren.Process for the production of lightweight building materials by sintering For production of lightweight construction materials are waste products of coal processing according to the induced draft process, for example wash mountains, or other inferior fuels sintered. Of the The heat input for the sintering process is about 600 kcal / kg of sintered material. The waste products However, they often represent a much higher calorific value, up to z5oo kcal / kg and can amount to more. This excess is lost in the known process.

Im Interesse einer guten Sinterung ist es erforderlich, den Brennstoffgehalt des zu sinternden Gutes zu magern. Als ein solches Magerungsmittel wird Rückgut (gebrochenes Sintergut etwa unter 8 bis ro mm Körnung) in größeren Mengen verwendet. Mit steigendem Zusatz wird die Leistung des Sinteraggregates dadurch aber herabgesetzt.In the interests of good sintering, it is necessary to check the fuel content to thin out the good to be sintered. Return goods are such a leaning agent (broken sintered material with a grain size of about 8 to ro mm) used in larger quantities. However, as the addition increases, the performance of the sintering unit is reduced.

Nach der Erfindung ist es möglich, aus den Abfallprodukten der Kohleaufbereitung oder anderer billiger Brennstoffe ein solches Magerungsmittel außerhalb des Sintergerätes zu erzeugen, so daß dessen Leistungsfähigkeit nicht beeinträchtigt wird, indem durch Vorverbrennen in bekannten Verbrennungseinrichtungen der Kohlenstoff der Abfallprodukte ganz oder fast ganz entzogen wird. Es ist aber auch eine teilweise Verbrennung möglich, die einen für die Sinterung noch erforderlichen Brennstoffgehalt in dem Gut übrigläßt.According to the invention it is possible from the waste products of coal processing or other cheap fuels such a lean agent outside the sintering device to produce so that its performance is not impaired by Preburning in known incinerators the carbon of the waste products is withdrawn entirely or almost entirely. Partial combustion is also possible, which leaves a fuel content still required for sintering in the good.

Als besonders günstiges Verbrennungsaggregat hat sich der Wirbelschichtofen erwiesen, der es ermöglicht, durch Anwendung verschiedener Maßnahmen die Verbrennungsbedingungen und die Abgastemperaturen zu regulieren. Dies ist durch Kühlen des Bettes, durch Veränderung der Luftzufuhr, durch Einspritzen von Wasser, durch Rückführung eines Teiles bereits verbrannten Rohgutes oder durch Zugabe anderer wärmeverbrauchender Stoffe möglich. Die Abgastemperaturen können jedoch zur Erzeugung von Dampf, welcher seinerseits beim Härten von Beton oder bei der Erzeugung elektrischer Energie verwendet werden kann, ausgenutzt werden. Es ist weiterhin möglich, die heißen Gase zur Zündung auf. einem Sinterapparat einzusetzen oder ihren Wärmeinhalt beim Betrieb gasbeheizter Sinterbänder oder Pfannen oder anderer Öfen zu verwenden. Die frei werdende Wärme und auch der Rückstand können zur Durchführung chemischer Reaktionen direkt oder indirekt eingesetzt werden.The fluidized bed furnace has proven to be a particularly inexpensive combustion unit proven, which makes it possible, by applying various measures, the combustion conditions and regulate the exhaust gas temperatures. This is done by cooling the bed Changing the air supply, by injecting water, by recirculating a Part of raw material that has already been burned or by adding other heat-consuming products Substances possible. However, the exhaust gas temperatures can be used to generate of steam, which in turn is used in the hardening of concrete or in the generation of electrical Energy can be used, exploited. It is still possible to have the hot gases to ignite. to use a sintering device or their heat content to use when operating gas-heated sintering belts or pans or other ovens. The heat released and also the residue can be used to carry out chemical Reactions can be used directly or indirectly.

So können den Abfallprodukten je nach dem gewünschten Endprodukt der Sinteranlage Kalkstein oder Dolomit od. ä. zugesetzt werden. Dabei kann beim Vorverbrennen die Temperatur auf die günstigste Brenntemperatur des Kalkes oder Dolomits eingestellt werden, so daß auf der Sinteräpparatur fertiggebrannter Kalk beim nachherigen Sintern zum Einsatz kommt.So can the waste products depending on the desired end product of the Limestone or dolomite or the like may be added to the sintering plant. This can be done during pre-burning the temperature is set to the most favorable firing temperature of the lime or dolomite so that fully burned lime on the sintering preparation during subsequent sintering is used.

Bei der Verarbeitung im Wirbelschichtofen fallen größere Mengen des Gutes als Staub an. Wenn dieser die gewünschten Eigenschaften noch nicht erreicht hat, kann er in geeigneter Form mit dem Rohgut in den Ofen zurückgeführt werden. Sollten die zur Verarbeitung kommenden Rohstoffe sehr feinkörniger Struktur sein, so können sie vorher durch Granulieren oder Brikettieren oder einen ähnlichen Prozeß in die geeignete Form übergeführt werden.When processing in the fluidized bed furnace, larger amounts of the fall Good as dust. If this does not yet achieve the desired properties it can be returned to the furnace in a suitable form with the raw material. If the raw materials to be processed have a very fine-grain structure, so they can beforehand by granulating or briquetting or a similar process be converted into the appropriate form.

Claims (7)

PATENTANSPRÜCHE: i. Verfahren zur Herstellung von Leichtbaustoffen durch Sintern von Abfallprodukten der Kohlenaufbereitung oder anderer minderwertiger Brennstoffe, dadurch gekennzeichnet, daß die Abfallprodukte zur vollständigen Ausnutzung ihrer Wärmeenergie vorverbrannt und erst dann in einer Sinteranlage gesintert werden. PATENT CLAIMS: i. Process for the production of lightweight building materials by sintering waste products from coal processing or other inferior products Fuels, characterized in that the waste products for full utilization their thermal energy are pre-burned and only then sintered in a sintering plant. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß die Abfallprodukte im Wirbelschichtofen vorverbrannt werden. 2. The method according to claim i, characterized in that the waste products in the Fluidized bed furnace are pre-burned. 3. Verfahren nach den Ansprüchen i und 2, dadurch gekennzeichnet, daß vollständig vorverbrannte Abfallprodukte mit nicht vorbehandelten gemischt werden. -q:. 3. The method according to claims i and 2, characterized in that completely pre-incinerated waste products with non-pretreated be mixed. -q :. Verfahren nach den Ansprüchen i bis 3, dadurch gekennzeichnet, daß die beim Vorverbrennen frei werdende Wärmeenergie zur Dampferzeugung verwendet wird. Process according to claims i to 3, characterized in that that the heat energy released during pre-burning is used to generate steam will. 5. Verfahren nach den Ansprüchen z bis 3, dadurch gekennzeichnet, daß ein Teil der bei der Vorverbrennung erzeugten Wärme zur Zündung auf dem Sinterapparat verwendet wird. 5. The method according to claims z to 3, characterized in that a Part of the heat generated during pre-combustion for ignition on the sintering apparatus is used. 6. Verfahren nach den Ansprüchen i und 2, dadurch gekennzeichnet, daß die Abfallprodukte, gemischt mit Kalkstein oder anderen Zusätzen, vorverbrannt werden. 6. The method according to claims i and 2, characterized in that that the waste products, mixed with limestone or other additives, are pre-incinerated will. 7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Temperatur beim Vorverbrennen auf die Brenntemperatur des Kalksteines oder sonstiger Zuschlagstoffe eingestellt wird. B. Verfahren nach den Ansprüchen i und 2, dadurch gekennzeichnet, daß die Abgase der Vorverbrennung für gasbeheizte Sinterapparate und/oder andere Öfen verwendet werden.7. The method according to claim 6, characterized in that the temperature when pre-burning to the burning temperature of the limestone or other additives is set. B. The method according to claims i and 2, characterized in that that the exhaust gases of the pre-combustion for gas-heated sintering apparatus and / or others Ovens are used.
DEM18306A 1953-04-25 1953-04-25 Process for the production of lightweight building materials by sintering Expired DE927136C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM18306A DE927136C (en) 1953-04-25 1953-04-25 Process for the production of lightweight building materials by sintering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM18306A DE927136C (en) 1953-04-25 1953-04-25 Process for the production of lightweight building materials by sintering

Publications (1)

Publication Number Publication Date
DE927136C true DE927136C (en) 1955-04-28

Family

ID=7297679

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM18306A Expired DE927136C (en) 1953-04-25 1953-04-25 Process for the production of lightweight building materials by sintering

Country Status (1)

Country Link
DE (1) DE927136C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139790B (en) * 1961-01-09 1962-11-15 Artur Stegner Process for the production of bricks by firing carbonic clay slates in a ring kiln
DE1143142B (en) * 1960-03-10 1963-01-31 Metallgesellschaft Ag Process for the production of cement from oil slate and aggregates
DE1272804B (en) * 1958-12-24 1968-07-11 Houilleres Bassin Du Nord Process for the production of fired ceramic bodies from coal slate
EP0039798A1 (en) * 1980-05-14 1981-11-18 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Method of firing and sintering waste washings
DE3229520A1 (en) * 1982-07-16 1984-02-09 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Process for using wastes from coal mining with addition of chemisorbents which serve for waste gas desulphurisation and are fed under control to the ceramisation process for binding further pollutants and at the same time for improving the overall process
EP0222078A2 (en) * 1985-11-12 1987-05-20 Deutsche Babcock Anlagen Aktiengesellschaft Process and plant for producing aggregate for concrete from washery tailings

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272804B (en) * 1958-12-24 1968-07-11 Houilleres Bassin Du Nord Process for the production of fired ceramic bodies from coal slate
DE1143142B (en) * 1960-03-10 1963-01-31 Metallgesellschaft Ag Process for the production of cement from oil slate and aggregates
DE1139790B (en) * 1961-01-09 1962-11-15 Artur Stegner Process for the production of bricks by firing carbonic clay slates in a ring kiln
EP0039798A1 (en) * 1980-05-14 1981-11-18 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Method of firing and sintering waste washings
DE3229520A1 (en) * 1982-07-16 1984-02-09 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Process for using wastes from coal mining with addition of chemisorbents which serve for waste gas desulphurisation and are fed under control to the ceramisation process for binding further pollutants and at the same time for improving the overall process
EP0222078A2 (en) * 1985-11-12 1987-05-20 Deutsche Babcock Anlagen Aktiengesellschaft Process and plant for producing aggregate for concrete from washery tailings
EP0222078A3 (en) * 1985-11-12 1988-05-25 Deutsche Babcock Anlagen Aktiengesellschaft Process and plant for producing aggregate for concrete from washery tailings

Similar Documents

Publication Publication Date Title
DE102013006236A1 (en) Plant for the production of cement clinker with gasification reactor for difficult fuels
DE927136C (en) Process for the production of lightweight building materials by sintering
DD237479A5 (en) METHOD FOR PRODUCING AN ABSORPTION AND ADSORPTION AGENT, AND ABSORPTION AND ADSORPTION AGENT PRODUCED ACCORDING TO THIS PROCESS
DE2610015C3 (en) Method and device for the continuous production of quick lime in a shaft furnace
DE1194884B (en) Process for the pre-reduction of sinter and pellets
DE102007003041A1 (en) Inflammable pellet device for production of heat of combustion and controlling temperature in furnace, particularly continuous furnace for burning ceramic building materials by solid fuels, comprises one or multiple solid fuels
DE602754C (en) Process for burning lime in shaft, ring or similar ovens
DE2951104C2 (en) Process for reducing the proportion of nitrogen oxides in the waste gas from melting furnaces and a system for carrying out the process
DE429878C (en) Half-gas inclined grate combustion
DE427801C (en) Process for the production of unsintered hydraulic binders from oil slate and limestone u. like
DE959536C (en) Shaft furnace for burning limestone, dolomite or magnesite
DE976317C (en) Process for operating a shaft furnace for burning limestone or dolomite
DE567531C (en) Process for the production of sintered hydraulic binders
DE421428C (en) Process for the refining of magnesite sand
DE839400C (en) Process for the production of oil-carburized water gas
DE495253C (en) Process for degassing fuels
DE2225998A1 (en) Process for calcining green petroleum coke
DE346761C (en) Process for agglomeration of the sludge resulting from the decomposition of calcium cyanamide
DE914171C (en) Method and device for operating water-tube steam boiler firings or similar firing systems, in particular underwind traveling grate firing systems
DE266133C (en)
DE511492C (en) Process for operating internal combustion engines, in particular diesel engines, with pulverulent fuels
DE449737C (en) Production of barium ortho- and barium trisilicate
DE311073C (en)
DE373571C (en) Process and plant for the production of cement from inferior carbonaceous raw material, such as bituminous slate
DE458374C (en) Process for burning lime and similar substances with fuel dust