MD20040277A - Process for thermochemical gasification of carboniferous raw material - Google Patents

Process for thermochemical gasification of carboniferous raw material

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Publication number
MD20040277A
MD20040277A MDA20040277A MD20040277A MD20040277A MD 20040277 A MD20040277 A MD 20040277A MD A20040277 A MDA20040277 A MD A20040277A MD 20040277 A MD20040277 A MD 20040277A MD 20040277 A MD20040277 A MD 20040277A
Authority
MD
Moldova
Prior art keywords
raw material
gasification
gas
combustion
steam
Prior art date
Application number
MDA20040277A
Other languages
Romanian (ro)
Other versions
MD3193B2 (en
MD3193C2 (en
Inventor
Alexandr Avdeev
Original Assignee
Dintov Valerii
Intreprinderea Mixta "Mitkan" Srl
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 Dintov Valerii, Intreprinderea Mixta "Mitkan" Srl filed Critical Dintov Valerii
Priority to MDA20040277A priority Critical patent/MD3193C2/en
Publication of MD20040277A publication Critical patent/MD20040277A/en
Publication of MD3193B2 publication Critical patent/MD3193B2/en
Publication of MD3193C2 publication Critical patent/MD3193C2/en

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  • Processing Of Solid Wastes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Inventia se refera la tehnologia chimica a combustibililor, in particular la gazificarea materiei prime ce contine carbon, si poate fi utilizata in domeniile chimiei, combustibililor si energeticii. Procedeul de gazificare termochimica a materiei prime ce contine carbon, care se realizeaza intr-un reactor-gazificator de tip mina avand amplasate desus in jos zonele: de incarcare cu camera cu ecluza, de gazificare, de ardere si de evacuare a reziduurilor de cenusa si zgura, include incarcarea materiei prime in camera cu ecluza si formarea in reactorul-gazificator a unui strat de materie prima permeabil la gaz, initierea procesului de ardere amateriei prime, arderea materiei prime si mentinerea regimurilor de ardere si de gazificare a acesteia, captarea din zona de gazificare, alaturata zonei de incarcare, a produsului-gaz, debitarea in zona de ardere a insuflarii de aer cu vapori prin reziduul de cenusa si zgura si evacuarea din zona de ardere a reziduului de cenusa si zgura. In camera cu ecluza, prin incalzire indirecta, materia prima este supusa uscarii pana la umiditatea de 3…7%,in zona de ardere se mentine temperatura de 1350…1700°C, insuflarea aerului cu vapori se efectueazaciclic sub presiunea de 0,10…0,14 MPa, amestecul de abur si gaz format in procesul uscarii materieiprime din camera cu ecluza se debiteaza ciclic inzona de gazificare, gazificarea se efectueaza la o rarefiere de 0,030…0,045 MPa si temperatura de 1800…2300°C, iar mentinerea regimurilor de ardere si de gazificare se asigura prin reglarea insuflarii aerului cu vapori, debitarea amestecului de abursi gaz, evacuarea reziduurilor de cenusa si zgurasi incarcarea pe portii a materiei prime. Totodata, stratul de materie prima in reactorul-gazificator se formeaza cu joc fata de peretii acestuia, iar debitarea amestecului de abur si gaz in zona de gazificare si evacuarea produsului-gaz din zona degazificare se efectueaza tangential. In plus, in amestecul de abur si gaz, evacuat din camera cu ecluza, se injecteaza apa.Rezultatul consta in posibilitatea gazificarii oricarei materii prime ce contine carbon cu umiditatea de pana la 65% si cu un continut de material ignifug de pana la 50%. Produsul-gaz nu contine componente nocive ecologic: dioxine, dioxizi, furani.The invention relates to the chemical technology of fuels, in particular to the gasification of the raw material containing carbon, and can be used in the fields of chemistry, fuels and energy. The process of thermo-chemical gasification of the carbon-containing raw material, which is carried out in a mine-type gasification reactor having located downstream the areas: loading with the locking chamber, gasification, combustion and evacuation of ash residues and slag, includes the loading of the raw material in the chamber with the lock and the formation in the gasifier reactor of a layer of gas permeable raw material, the initiation of the process of burning the raw material, the burning of the raw material and maintaining the combustion and gasification regimes thereof, the capture from the area. of gasification, next to the loading area, of the gas product, the cutting in the combustion zone of the steam air supply through the ash and slag residue and the evacuation from the combustion area of the ash and slag residue. In the locking room, by indirect heating, the raw material is subjected to drying up to a humidity of 3… 7%, in the combustion zone the temperature is maintained at 1350… 1700 ° C, the blowing of air with vapors is performed cyclically under the pressure of 0.10… 0.14 MPa, the mixture of steam and gas formed in the drying process of the raw material in the locking chamber is cyclically charged in the gasification zone, the gasification is carried out at a reduction of 0.030 ... 0.045 MPa and the temperature of 1800 ... 2300 ° C, and the maintenance of combustion and gasification are ensured by regulating the blowing of the air with vapors, cutting the mixture of gas vapors, evacuating the ash residues and slagging the loading on the gates of the raw material. At the same time, the layer of raw material in the gasifier reactor is formed with play against its walls, and the flow of the mixture of steam and gas in the gasification area and the evacuation of the gas-product from the degassing zone is performed tangentially. In addition, in the mixture of steam and gas, evacuated from the room with the lock, water is injected. The result is the possibility of gasification of any raw material containing carbon with humidity up to 65% and with a flame retardant content of up to 50% . The gas product does not contain ecologically harmful components: dioxins, dioxides, furans.

MDA20040277A 2004-11-23 2004-11-23 Process for thermochemical gasification of carboniferous raw material MD3193C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20040277A MD3193C2 (en) 2004-11-23 2004-11-23 Process for thermochemical gasification of carboniferous raw material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20040277A MD3193C2 (en) 2004-11-23 2004-11-23 Process for thermochemical gasification of carboniferous raw material

Publications (3)

Publication Number Publication Date
MD20040277A true MD20040277A (en) 2006-10-31
MD3193B2 MD3193B2 (en) 2006-11-30
MD3193C2 MD3193C2 (en) 2007-06-30

Family

ID=37397462

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20040277A MD3193C2 (en) 2004-11-23 2004-11-23 Process for thermochemical gasification of carboniferous raw material

Country Status (1)

Country Link
MD (1) MD3193C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3917C2 (en) * 2006-09-20 2009-12-31 Dinano Ecotechnology Llc Process for thermochemical processing of carboniferous raw material
MD3959C2 (en) * 2007-07-04 2010-04-30 Dinano Ecotechnology Llc Loader of the carboniferous raw material processing installation
RU2385343C1 (en) * 2008-12-10 2010-03-27 Закрытое Акционерное Общество Научно-Производственная Компания "Интергаз" Method of processing carbon and/or carbon containing products and reactor for implementation of this method
MD4188C1 (en) * 2011-11-07 2013-06-30 Валерий ДИНТОВ Plant for processing carbon-bearing raw material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2079051C1 (en) * 1994-06-23 1997-05-10 Институт химической физики в Черноголовке РАН Method of processing of solid domestic garbage

Also Published As

Publication number Publication date
MD3193B2 (en) 2006-11-30
MD3193C2 (en) 2007-06-30

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
MM4A Patent for invention definitely lapsed due to non-payment of fees