DE3113714A1 - Dam-building materials for underground mining - Google Patents

Dam-building materials for underground mining

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Publication number
DE3113714A1
DE3113714A1 DE19813113714 DE3113714A DE3113714A1 DE 3113714 A1 DE3113714 A1 DE 3113714A1 DE 19813113714 DE19813113714 DE 19813113714 DE 3113714 A DE3113714 A DE 3113714A DE 3113714 A1 DE3113714 A1 DE 3113714A1
Authority
DE
Germany
Prior art keywords
dam
calcium chloride
flue gas
underground mining
cement
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
DE19813113714
Other languages
German (de)
Other versions
DE3113714C2 (en
Inventor
Heribert Ing.(grad.) 4390 Gladbeck Dewert
Heinrich Ing.(grad.) 4600 Dortmund-Wickede Gresch
Heinz Ing.(grad.) Hölter
Heinrich Ing.(grad.) 4390 Gladbeck Igelbüscher
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
Priority claimed from DE19813109879 external-priority patent/DE3109879A1/en
Application filed by Individual filed Critical Individual
Priority to DE3113714A priority Critical patent/DE3113714C2/en
Priority to FR8204212A priority patent/FR2509200A1/en
Publication of DE3113714A1 publication Critical patent/DE3113714A1/en
Application granted granted Critical
Publication of DE3113714C2 publication Critical patent/DE3113714C2/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • 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
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/062—Purification products of smoke, fume or exhaust-gases
    • C04B18/064—Gypsum
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions 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 hydraulic cements other than calcium sulfates
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

The subject of the parent application P 3,109,879.7 is a process for the disposal of waste products arising downstream of coal-fired power stations and for the utilisation thereof, using waste heat from the power station for the manufacture of dam-building materials or the like for underground mining. The waste products to be disposed of, such as filter ash and flue gas desulphurisation gypsum, are mixed with the wet and/or dried calcium chloride from the flue gas scrubbing and used with further addition of further binders and hardeners, such as cement, as dam-building material and/or backfill material for underground mining. It has now been found according to the invention that an addition of about 2-3% of calcium chloride dihydrate (CaCl2 . 2H2O) to the said mixture results in a special sealant with a high setting rate and high strength. The following composition has proved to be particularly suitable: 60-65% from the flue gas desulphurisation plant, 15-20% of filter ash and/or slag from the coal-fired power station boiler and filter area, about 10-15% of anhydrite and/or cement, and 2.5% of calcium chloride dihydrate.

Description

Beschreibung und Erläuterung zur ZusatzpatentanmeldungDescription and explanation of the additional patent application

1)ammbaustoffe für den untertägigen Bergbau ".1) Ammbaustoffe for underground mining ".

Zusatz zu P 31 09 879.7 In der Hauptanmeldung Verfahren zur Beseitigung von zwangsläufig anfallenden Abfallprodukten hinter Kohlekraftwerken und deren Nutzung unter Verwendung von Abfallwärme aus dem Kraftwerk zur Herstellung von vorzugsweise Dammbaustoffen für den untertägigen Bergbau " p 31 09 879.7 wird beschrieben, daß die zu beseitigenden Abfallprodukte wie Filterasche und Rauchgasentschwefelungsgips mit dem nassen und/oder getrockneten Calciumchlorid aus der Rauchgaswäsche gemischt werden und vorzugsweise unter weiterer Zuführung von weiteren Bindemitteln und Härtern, wie Zement, als Dammbau- und/oder Hinterfüllmaterial, vorzugsweise für den untertägigen Bergbau, Anwendung finden sollen.Addition to P 31 09 879.7 In the main application procedure for elimination of inevitable waste products behind coal-fired power plants and their use using waste heat from the power plant to produce preferably Dam building materials for underground mining "p 31 09 879.7 is described that the waste products to be removed such as filter ash and flue gas desulphurisation gypsum mixed with the wet and / or dried calcium chloride from the flue gas scrubber and preferably with further addition of further binders and hardeners, how Cement, as a dam construction and / or backfill material, preferably for underground mining.

Es ist weiterhin gefunden worden, daß durch einen Zusatz von ca. 2 - 3 °% Calciumchlorjd - Dihydrat ( OaCl2 . 2H20 ) zu der genannten Mischung, bestehend 1. aus Filterasche 2. auch aus Rauchgasentschwefelungsgips ( CaSO4 . 1/2H20 ) und weiteren Zuschlagstoffen wie Zement und/oder Anhydrit und ähnliche Bindemittel und Härter für das Streckenbegleitdammaterial ein besonderer Abdichtungsstoff gefunden wurde, der eine hohe Bindegeschwindigkeit aufweist und dabei noch hohe Festigkeiten besitzt.It has also been found that by adding approx - 3% calcium chloride dihydrate (OaCl2. 2H20) to the mixture mentioned 1. from filter ash 2. also from flue gas desulphurisation gypsum (CaSO4. 1 / 2H20) and other additives such as cement and / or anhydrite and similar binders and Hardener found a special sealing material for the dam material along the route which has a high binding speed and still high strengths owns.

Es ist vorteilhaft, daß das Gemisch wie folgt erfindungsgemäß zusammengesetzt ist: 60 - 65 % Gips aus der Rauchgasentschwefelungsanlage 15 - 20 % Filterasche und/oder Schlacke aus dem Kohlekraftwerkskessel und Filterbereich ca. 10 - 15 % Anhydrit und/oder Zement 2,5 % Calciumchlorid-Dihydrat.It is advantageous that the mixture is composed according to the invention as follows is: 60 - 65% gypsum from the flue gas desulphurisation system 15 - 20 % Filter ash and / or slag from the coal-fired power plant boiler and filter area approx. 10-15% anhydrite and / or cement 2.5% calcium chloride dihydrate.

Zusatz- Patentansprüche:Additional claims:

Claims (1)

Zusatz-Patentansprüche: ======================:s Anspruch 1 Streckenbegleitdammaterial und Hinterfüllmaterial, vorzugsweise für den untertägigen Bergbau, dadurch gekennzeichnet, daß Filterasche, Rauchgasentschwefelungsgips und weitere Zuschlagstoffe wie Zement und/oder Anhydrit und sonstige Bindemittel und Härter zusätzlich mit 2 - 3 % Calciumchlorid -Dihydrat vermischt werden.Additional patent claims: ======================: s claim 1 track accompanying dam material and backfill material, preferably for underground mining, characterized in that that filter ash, flue gas desulphurisation gypsum and other additives such as cement and / or anhydrite and other binders and hardeners additionally with 2 - 3% calcium chloride -Dihydrate are mixed. Anspruch 2 Dammbaustoff nach Anspruch 1 dadurch gekennzeichnet, daß das Mischungsverhältnis vorzugsweise wie folgt zusammengesetzt ist: 1.) 60 - 65 % Gips 2.) 10 - 15 % Anhydrit und/oder Zement 3.) 15 - 20 % Kesselschlacke und/oder - asche 4.) 2,5 % Calciunchlorid-Dihydrat.Claim 2 dam building material according to claim 1, characterized in that the mixing ratio is preferably composed as follows: 1.) 60 - 65 % Gypsum 2.) 10 - 15% anhydrite and / or cement 3.) 15 - 20% boiler slag and / or - ash 4.) 2.5% calcium chloride dihydrate.
DE3113714A 1981-03-14 1981-04-04 Process for the recycling of waste products from coal-fired power stations as roadside dam material and backfill material and material produced according to the process Expired DE3113714C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3113714A DE3113714C2 (en) 1981-03-14 1981-04-04 Process for the recycling of waste products from coal-fired power stations as roadside dam material and backfill material and material produced according to the process
FR8204212A FR2509200A1 (en) 1981-03-14 1982-03-12 Building material for making dams or walls in underground mines - contains large amt. of fly ash obtd. from electrostatic filters in coal burning power stations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813109879 DE3109879A1 (en) 1981-03-14 1981-03-14 Process for disposing of waste products inevitably formed downstream of coal-fired power stations and their utilisation with use of waste heat from the power station for production of preferably dam building materials for underground mining
DE3113714A DE3113714C2 (en) 1981-03-14 1981-04-04 Process for the recycling of waste products from coal-fired power stations as roadside dam material and backfill material and material produced according to the process

Publications (2)

Publication Number Publication Date
DE3113714A1 true DE3113714A1 (en) 1982-11-25
DE3113714C2 DE3113714C2 (en) 1985-09-19

Family

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Family Applications (1)

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Country Link
DE (1) DE3113714C2 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504912A1 (en) * 1981-05-02 1982-11-05 Hoelter H MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES
DE3209267A1 (en) * 1982-03-13 1983-09-29 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Mining mortar for making roadways safe
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
DE3226702A1 (en) * 1982-03-13 1984-02-09 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Process for the utilisation of coalmining dirt with feed of waste products from flue gas purification
DE3322539A1 (en) * 1983-06-23 1985-01-17 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Process for non-polluting disposal of residual products from coal-fired power stations
DE3612931A1 (en) * 1986-04-17 1987-10-22 Hoelter Heinz Mining mortar from waste dirt of coal extraction
AT384420B (en) * 1982-08-28 1987-11-10 Rhein Westfael Elect Werk Ag USE OF RESIDUE PLASTER AND DRY RESIDUE OF A WET OR DRY WORKING FLUE GAS DESULFURATION SYSTEM
AT384421B (en) * 1982-08-28 1987-11-10 Rhein Westfael Elect Werk Ag USE OF THE RESIDUAL SOLIDS OF THE DRY FUME DESULFURATION AS A BUILDING MATERIAL
EP0272748A1 (en) * 1986-12-22 1988-06-29 Shell Internationale Researchmaatschappij B.V. Flyslag treatment
DE3644678A1 (en) * 1986-12-30 1988-07-14 Hoelter Heinz Process for producing packing material from products of the SO2/NOx simultaneous flue gas scrubber
DE3743818A1 (en) * 1987-12-23 1989-07-06 Hoelter Heinz Conversion of waste materials from dry or pseudo-dry desulphurisation plants based on lime into building materials for underground mining
DE3811325A1 (en) * 1988-04-02 1989-10-12 Hoelter Heinz Aggregate for mining packing
DE3827612A1 (en) * 1988-08-13 1990-02-15 Viktor Dr Ing Gobiet Building material for use in underground operation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3249786C2 (en) * 1982-08-28 1990-02-08 Rheinisch-Westfaelisches Elektrizitaetswerk Ag, 4300 Essen, De Use of the residual solids from dry flue gas desulphurisation as building material for producing shaped objects

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1802249A1 (en) * 1968-10-10 1970-06-18 Knapsack Ag Quick setting plaster
DE1771406A1 (en) * 1968-05-20 1972-02-03 Inst Energetik Process for the utilization of combustion residues from steam generation plants, in particular for the production of building materials
DE2400350A1 (en) * 1974-01-04 1975-07-17 Heinz Hoelter Converting power station wastes into usable materials - fly ash and calcium sulphate mixed to form construction materials
AT328950B (en) * 1972-04-07 1976-04-12 Stamicarbon PROCESS FOR IMPROVING THE WATER RESISTANCE OF FINISHED PRODUCTS BASED ON PLASTER
DE2803764A1 (en) * 1978-01-28 1979-08-16 Saarbergwerke Ag Utilising fly ash and calcium sulphate obtd. from flue gas - of coal burning furnace desulphurisation units, by heating aq. suspension to form anhydrite, and casting into bricks, etc.
DE2906230A1 (en) * 1979-02-17 1980-08-28 Steag Ag Disposal of residue obtd. from waste gas washing plants - where residue is calcined to form beta calcium sulphate hemi:hydrate employed to reinforce tunnels in underground mines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1771406A1 (en) * 1968-05-20 1972-02-03 Inst Energetik Process for the utilization of combustion residues from steam generation plants, in particular for the production of building materials
DE1802249A1 (en) * 1968-10-10 1970-06-18 Knapsack Ag Quick setting plaster
AT328950B (en) * 1972-04-07 1976-04-12 Stamicarbon PROCESS FOR IMPROVING THE WATER RESISTANCE OF FINISHED PRODUCTS BASED ON PLASTER
DE2400350A1 (en) * 1974-01-04 1975-07-17 Heinz Hoelter Converting power station wastes into usable materials - fly ash and calcium sulphate mixed to form construction materials
DE2803764A1 (en) * 1978-01-28 1979-08-16 Saarbergwerke Ag Utilising fly ash and calcium sulphate obtd. from flue gas - of coal burning furnace desulphurisation units, by heating aq. suspension to form anhydrite, and casting into bricks, etc.
DE2906230A1 (en) * 1979-02-17 1980-08-28 Steag Ag Disposal of residue obtd. from waste gas washing plants - where residue is calcined to form beta calcium sulphate hemi:hydrate employed to reinforce tunnels in underground mines

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Das Stuckgewerbe, 1969, S. 534 *
Erdöl und Kohle-Petrochemie vereinigt mit Brennstoff-Chemie, Bd. 29, H. 1, 1976 *
Glückauf, 1971, S. 482 *
Kurznachrichten des Steinkohlen- bergbauvereins, 1979, Nr. 103, S. 4 *
Neue Bergbautechnik, 1977, S. 716 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504912A1 (en) * 1981-05-02 1982-11-05 Hoelter H MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES
DE3209267A1 (en) * 1982-03-13 1983-09-29 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Mining mortar for making roadways safe
DE3226702A1 (en) * 1982-03-13 1984-02-09 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Process for the utilisation of coalmining dirt with feed of waste products from flue gas purification
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
AT384420B (en) * 1982-08-28 1987-11-10 Rhein Westfael Elect Werk Ag USE OF RESIDUE PLASTER AND DRY RESIDUE OF A WET OR DRY WORKING FLUE GAS DESULFURATION SYSTEM
AT384421B (en) * 1982-08-28 1987-11-10 Rhein Westfael Elect Werk Ag USE OF THE RESIDUAL SOLIDS OF THE DRY FUME DESULFURATION AS A BUILDING MATERIAL
DE3322539A1 (en) * 1983-06-23 1985-01-17 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Process for non-polluting disposal of residual products from coal-fired power stations
DE3612931A1 (en) * 1986-04-17 1987-10-22 Hoelter Heinz Mining mortar from waste dirt of coal extraction
EP0272748A1 (en) * 1986-12-22 1988-06-29 Shell Internationale Researchmaatschappij B.V. Flyslag treatment
DE3644678A1 (en) * 1986-12-30 1988-07-14 Hoelter Heinz Process for producing packing material from products of the SO2/NOx simultaneous flue gas scrubber
DE3743818A1 (en) * 1987-12-23 1989-07-06 Hoelter Heinz Conversion of waste materials from dry or pseudo-dry desulphurisation plants based on lime into building materials for underground mining
DE3811325A1 (en) * 1988-04-02 1989-10-12 Hoelter Heinz Aggregate for mining packing
DE3827612A1 (en) * 1988-08-13 1990-02-15 Viktor Dr Ing Gobiet Building material for use in underground operation

Also Published As

Publication number Publication date
DE3113714C2 (en) 1985-09-19

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