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DE3109879A1 - 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 - Google Patents

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

Info

Publication number
DE3109879A1
DE3109879A1 DE19813109879 DE3109879A DE3109879A1 DE 3109879 A1 DE3109879 A1 DE 3109879A1 DE 19813109879 DE19813109879 DE 19813109879 DE 3109879 A DE3109879 A DE 3109879A DE 3109879 A1 DE3109879 A1 DE 3109879A1
Authority
DE
Germany
Prior art keywords
waste products
building materials
coal
utilisation
disposing
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.)
Ceased
Application number
DE19813109879
Other languages
German (de)
Inventor
Heribert Ing.(grad.) 4390 Gladbeck Dewert
Heinrich Ing.(grad.) 4600 Dortmund 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
Application filed by Individual filed Critical Individual
Priority to DE19813109879 priority Critical patent/DE3109879A1/en
Priority to DE3113714A priority patent/DE3113714C2/en
Priority to FR8204212A priority patent/FR2509200A1/en
Publication of DE3109879A1 publication Critical patent/DE3109879A1/en
Ceased 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
    • 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
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/24—Chlorides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a 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 dam building materials or the like for underground mining. This object is achieved by the waste products, that is filter ash and flue gas desulphurisation gypsum, being mixed with the wet and/or dried calcium chloride from the flue gas scrubber, and being used, preferably with further supply of binders, hardeners and cement to form underground dam building materials and/or backfilling materials or roadway consolidation materials and preferably removing from the flue gases the heat necessary for drying the CaSO4 product and for concentrating the calcium chloride from the scrubbing water by evaporation.

Description

Beschreibung und Erläuterung zur PatentanmeldungDescription and explanation of the patent application

Verfahren zur Beseitigung von zwangsläufig anfallenden Abfallprodukten hinter Kohlekraftwerken und deren Nutzung unter Verwendung von Abfallwarme aus dem Kraftwerk zur Herstellung von vorzugsweise Dammbaustoffen für den untertägigen Bergbau".Process for the elimination of waste products that are inevitably produced behind coal-fired power plants and their use using waste heat from the Power plant for the production of preferably dam building materials for underground mining ".

Die Abgase von Rohlekraftwerken müssen gereinigt werden.The exhaust gases from raw power plants have to be cleaned.

Durch die Gasreinigunz wird über Elektrofilter oder Gewebe filter der sogenannte Elektrofilterstaub abgeschieden.The gas cleaning is carried out via electrostatic precipitators or fabric filters the so-called electrostatic precipitator dust is separated.

Dieser läßt sich aufgrund seiner spezifischen geringen Wichte und seiner Feinheit sehr schlecht lagern, da er vom leisesten Wind weggeblasen wird.This can be due to its specific low weight and store its delicacy very badly, as it is blown away by the slightest wind.

Durch die Entschwefelung der Rauchgase hinter Kohlekraftwerken fällt in der Regel Gips als Endprodukt an.Due to the desulphurization of the flue gases behind coal-fired power plants falls usually plaster of paris as the end product.

Um beide zwangsläufig anfallenden hbfaulprodukte in ein gut verwendbares Endprodukt zu wandeln unter Nutzung von Abfallwärme, wird erfindungsgemäß vorgeschlagen, das nasse OaSO4.2H20-Produkt, das hinter Trommelvakuuinfiltern oder Zentrifugen nach der Rauchgaswäsche anfällt, durch Trocknung mittels der Wärme der Abgase und/oder noch niedrig gesnannten, nicht mehr verwertbaren Dampf in ein trockenes Gipsprodukt zu wandeln und dieses mit der Filterasche zu mischen.In order to convert both of the inevitable digestive products into one usable one Converting the end product using waste heat is proposed according to the invention, the wet OaSO4.2H20 product, which is behind drum vacuum filters or centrifuges accrues after the flue gas scrubbing, by drying by means of the heat of the exhaust gases and / or steam that was still under tension and no longer usable into a dry gypsum product to convert and mix this with the filter ash.

Weiterhin fällt zwangsläufig bei der Rauchgasentschwefelung durch die Verwendung von chlorhaltiger Kohle Calciumchlorid an.Furthermore, the flue gas desulphurisation inevitably fails the use of carbonaceous carbon containing calcium chloride.

Dieses Calciumchlorid wird als flüssige Masse mit z.B. 20 - 30 J/O Calciumchloridgehalt zum Verwendungsort transportiert und dort mit dem Gemisch aus CaS04.1/2 H20-Filterasche und entsprechend den spez. Bedingungen noch zusätzlich zugesetztem Zement vermischt und zu einer nassen Masse, vorzugsweise misch- und/oder spritztechnisch gewandelt und zum Herstellen von Streckenbegleitdämmen im untertägigen Bergbau oder zur Verwendung einer Hinterfüll- und/oder Streckensaumkonsolidierungs ~orkretiermasse eingesetzt.This calcium chloride is a liquid mass with e.g. 20 - 30 J / O Calcium chloride content transported to the place of use and from there with the mixture CaS04.1 / 2 H20 filter ash and according to the spec. Additional conditions added cement and mixed into a wet mass, preferably mixed and / or converted by spraying technology and for the production of roadside embankments in underground Mining or for use a backfill and / or line seam consolidation ~ orcreting compound used.

Es kann selbstverständlich auch das calciumchloridhaltige Wasser übertage im Bereich des Kraftwerksentschwefelungsortes eingedampft werden und das trockene CaSO4-Salz gleichzeitig dem zu transportierenden Endprodukt, bestehend aus a ilterasche 2. Kauchgasentschwefel ungstroclrengips 3. dem weiteren Abfallprodukt Calciumchlorid, zugeführt werden und vorzugsweise unter Verwendung von weiteren Zuschlagstoffen wie Zement als sonstiges Bindemittel und Härter als Verwendungsstoff, vorzugsweise für den untertägigen Bergbau, Anwendung finden.Of course, the water containing calcium chloride can also be used above ground are evaporated in the area of the power plant desulphurisation and the dry CaSO4 salt at the same time as the end product to be transported, consisting of filter ash 2. Kauchgas desulphur ungstroclrengypsum 3. the other waste product calcium chloride, are supplied and preferably using other additives like cement as any other binding agent and hardener as a substance, preferably for underground mining.

Hierbei kann auch selbstverständlich nicht nur die Abfallwärme aus den Rauchgasen, die, bevor sie gewaschen werden, zur Trocknung genutzt werden, Anwendung finden, sondern es können auch andere Energiequellen, vorzugsweise abgenommen aus dem Kraftwerksbereich, für das Brennen und/oder Trocknen von nassem CaS04.2H20 genutzt werden.Of course, not only the waste heat can be removed here the flue gases that are used for drying before they are washed but it can also be other energy sources, preferably taken from the power plant area, used for burning and / or drying wet CaS04.2H20 will.

Patentanspruch: Claim:

Claims (1)

Patentanspruch: Verfahren zur Reinigung von Abfallprodukten hinter Kohlekraftwerken dadurch gekennzeichnet, daß die Abfallprodukte 1. Filterasche 2. Rauchgasentscli#refe1ungsgirs mit dem nassen und/oder getrockneten Calciumchlorid aus der Rauchgaswäsche gemischt werden, vorzugsweise unter weiterer Zuführung von weiteren Bindemitteln, Härtern und Zement zu untertägigen Dammbau- und/oder Hinterfüll- bzw. Strecknkonsolidierunsstoffen Anwendung finden und die dabei zur Trocknung des CaSO4-Produktes und zur Eindampfung des Calciumchlorides aus dem Waschwasser notwendige Wärme vorzugsweise den Rauchgasen entnommen wird.Claim: Process for cleaning up waste products behind Coal-fired power plants, characterized in that the waste products 1. Filter ash 2. Flue gas separator with wet and / or dried calcium chloride are mixed from the flue gas scrubber, preferably with further addition of further binders, hardeners and cement for underground dam construction and / or backfill or stretching consolidation substances are used and are used to dry the CaSO4 product and necessary for evaporation of the calcium chloride from the washing water Heat is preferably taken from the flue gases.
DE19813109879 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 Ceased DE3109879A1 (en)

Priority Applications (3)

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
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 (1)

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

Publications (1)

Publication Number Publication Date
DE3109879A1 true DE3109879A1 (en) 1982-09-23

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219197A1 (en) * 1982-05-21 1983-12-01 Saarbergwerke AG, 6600 Saarbrücken Process for the disposal of waste from flue gas desulphurisation plants
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
DE3232078A1 (en) * 1982-08-28 1984-03-01 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen USE OF THE RESIDUAL SOLIDS OF THE DRY FUME DESULFURATION AS A BUILDING MATERIAL
DE3245140C1 (en) * 1982-12-07 1984-07-19 Saarbergwerke AG, 6600 Saarbrücken Construction material for underground mining
DE3329972A1 (en) * 1983-08-19 1985-03-07 Gebr. Knauf Westdeutsche Gipswerke KG, 8715 Iphofen Process for making a product suitable for landfill disposal from coal-fired power station residues
DE3507625A1 (en) * 1985-03-05 1986-09-11 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Mining filling material
EP0209613A1 (en) * 1985-07-20 1987-01-28 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for the environmentally acceptable disposal of wastes from coal-fired power plants
DE3538136A1 (en) * 1985-10-26 1987-07-02 Hoelter Heinz Recovery of valuable material from the simultaneous SO2 and NOx scrubbing of preferably flue gases downstream of power stations
DE3644581A1 (en) * 1986-01-08 1987-07-09 Hoelter Heinz Process for backfilling cavities in underground mining
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
DE3628749A1 (en) * 1986-08-23 1988-02-25 Schencking Kalk Und Kalksandst Mortar or concrete mixture containing an addition of a quick-setting (flash setting) agent and also a solid binder produced therefrom
DE3631385A1 (en) * 1986-09-15 1988-03-24 Knauf Westdeutsche Gips Method of supporting underground roadways with the use of mining mortar on a gypsum basis, and mining mortar intended for carrying out this method
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
DE3711367A1 (en) * 1987-04-04 1988-10-13 Rwk Rhein Westfael Kalkwerke Process for preparing calcium sulphate hemihydrate
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
DE3802429A1 (en) * 1987-10-31 1989-08-31 Hoelter Heinz Reprocessing and conversion of contaminated problem waste materials into products for the production of load-bearing building materials for underground mining
DE3811325A1 (en) * 1988-04-02 1989-10-12 Hoelter Heinz Aggregate for mining packing
EP0537694A1 (en) * 1991-10-17 1993-04-21 Chubu Electric Power Company, Incorporated Process for treating effluent from flue-gas desulfurization system and apparatus thereof
EP0543767A1 (en) * 1991-11-20 1993-05-26 Mitsubishi Jukogyo Kabushiki Kaisha Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas
DE19503142A1 (en) * 1995-02-01 1996-08-08 Horst Prof Dr Bannwarth Forming solid material for deposition, or use in buildings, filling etc.
EP2699493A1 (en) * 2011-04-22 2014-02-26 Manno, James, Joseph., Jr. Specialized lined landfill system for the stabilization and containment of drilling wastes and coal combustion residues

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219197A1 (en) * 1982-05-21 1983-12-01 Saarbergwerke AG, 6600 Saarbrücken Process for the disposal of waste from flue gas desulphurisation plants
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
DE3232078A1 (en) * 1982-08-28 1984-03-01 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen USE OF THE RESIDUAL SOLIDS OF THE DRY FUME DESULFURATION AS A BUILDING MATERIAL
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
DE3245140C1 (en) * 1982-12-07 1984-07-19 Saarbergwerke AG, 6600 Saarbrücken Construction material for underground mining
DE3329972A1 (en) * 1983-08-19 1985-03-07 Gebr. Knauf Westdeutsche Gipswerke KG, 8715 Iphofen Process for making a product suitable for landfill disposal from coal-fired power station residues
DE3507625A1 (en) * 1985-03-05 1986-09-11 Heinz Dipl.-Ing. 4390 Gladbeck Hölter Mining filling material
EP0209613A1 (en) * 1985-07-20 1987-01-28 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for the environmentally acceptable disposal of wastes from coal-fired power plants
DE3538136A1 (en) * 1985-10-26 1987-07-02 Hoelter Heinz Recovery of valuable material from the simultaneous SO2 and NOx scrubbing of preferably flue gases downstream of power stations
DE3644581A1 (en) * 1986-01-08 1987-07-09 Hoelter Heinz Process for backfilling cavities in underground mining
DE3612931A1 (en) * 1986-04-17 1987-10-22 Hoelter Heinz Mining mortar from waste dirt of coal extraction
DE3628749A1 (en) * 1986-08-23 1988-02-25 Schencking Kalk Und Kalksandst Mortar or concrete mixture containing an addition of a quick-setting (flash setting) agent and also a solid binder produced therefrom
DE3631385A1 (en) * 1986-09-15 1988-03-24 Knauf Westdeutsche Gips Method of supporting underground roadways with the use of mining mortar on a gypsum basis, and mining mortar intended for carrying out this method
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
DE3711367A1 (en) * 1987-04-04 1988-10-13 Rwk Rhein Westfael Kalkwerke Process for preparing calcium sulphate hemihydrate
DE3802429A1 (en) * 1987-10-31 1989-08-31 Hoelter Heinz Reprocessing and conversion of contaminated problem waste materials into products for the production of load-bearing building materials for underground mining
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
EP0537694A1 (en) * 1991-10-17 1993-04-21 Chubu Electric Power Company, Incorporated Process for treating effluent from flue-gas desulfurization system and apparatus thereof
EP0543767A1 (en) * 1991-11-20 1993-05-26 Mitsubishi Jukogyo Kabushiki Kaisha Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas
US5395561A (en) * 1991-11-20 1995-03-07 Mitsubishi Jukogyo Kabushiki Kaisha Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas
DE19503142A1 (en) * 1995-02-01 1996-08-08 Horst Prof Dr Bannwarth Forming solid material for deposition, or use in buildings, filling etc.
DE19503142C2 (en) * 1995-02-01 1998-12-17 Horst Prof Dr Bannwarth Binder and and its use
EP2699493A1 (en) * 2011-04-22 2014-02-26 Manno, James, Joseph., Jr. Specialized lined landfill system for the stabilization and containment of drilling wastes and coal combustion residues
EP2699493A4 (en) * 2011-04-22 2014-11-12 James Joseph Manno Jr Specialized lined landfill system for the stabilization and containment of drilling wastes and coal combustion residues

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