The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process
The article presents a new method for determining the composition of wood generator gas produced in gas generators of the inverted gasification process. The shortcomings of the existing calculation methods are analyzed, the main of which is the insufficient harmonization of the calculation results w...
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Belarusian National Technical University
2019-08-01
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Series: | Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика |
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Online Access: | https://energy.bntu.by/jour/article/view/1682 |
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author | E. M. Kashin V. N. Didenko |
author_facet | E. M. Kashin V. N. Didenko |
author_sort | E. M. Kashin |
collection | DOAJ |
description | The article presents a new method for determining the composition of wood generator gas produced in gas generators of the inverted gasification process. The shortcomings of the existing calculation methods are analyzed, the main of which is the insufficient harmonization of the calculation results with the experimental data. The authors substantiate the priority of the main chemical reactions occurring during gasification of wood fuel. There are three active zones of gasification, viz.: a redox zone, a reduction zone and a zone of interaction of gasification products with each other and with the carbon of the fuel. In general, a redox zone consists of two subzones: in the first one reactions of water gas formation occur, and the second one appears when excess air is supplied to the gas generator. The proposed method for calculating the components of the generator gas is a set of a modified balance method and an added method for calculating the concentrations of chemical reaction products by the equilibrium constants of these reactions in the active gasification zones with different temperatures. The modified balance method considers the primary processes of wood and moist air transformation into components of the generator gas in the first subzone of the redox zone. The modified balance method is based on the equations of material balance of carbon, hydrogen, oxygen, moisture, nitrogen and thermal balance of the system. The added method determines the concentrations of the components of the generator gas in the second subzone of the redox zone, as well as in the reduction zone and the zone of interaction of the gasification products with each other and with the fuel carbon. The combination of these two methods makes it possible to calculate with greater accuracy the output of the generator gas, the concentration of its components, fuel and air consumption, as well as a number of other characteristics of the gas generator. |
format | Article |
id | doaj-art-4d310428a8d84793ba2534b0b4a4aa29 |
institution | Kabale University |
issn | 1029-7448 2414-0341 |
language | Russian |
publishDate | 2019-08-01 |
publisher | Belarusian National Technical University |
record_format | Article |
series | Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика |
spelling | doaj-art-4d310428a8d84793ba2534b0b4a4aa292025-02-03T11:34:16ZrusBelarusian National Technical UniversityИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика1029-74482414-03412019-08-0162434136110.21122/1029-7448-2019-62-4-341-3611590The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification ProcessE. M. Kashin0V. N. Didenko1Kalashnikov Izhevsk State Technical UniversityKalashnikov Izhevsk State Technical UniversityThe article presents a new method for determining the composition of wood generator gas produced in gas generators of the inverted gasification process. The shortcomings of the existing calculation methods are analyzed, the main of which is the insufficient harmonization of the calculation results with the experimental data. The authors substantiate the priority of the main chemical reactions occurring during gasification of wood fuel. There are three active zones of gasification, viz.: a redox zone, a reduction zone and a zone of interaction of gasification products with each other and with the carbon of the fuel. In general, a redox zone consists of two subzones: in the first one reactions of water gas formation occur, and the second one appears when excess air is supplied to the gas generator. The proposed method for calculating the components of the generator gas is a set of a modified balance method and an added method for calculating the concentrations of chemical reaction products by the equilibrium constants of these reactions in the active gasification zones with different temperatures. The modified balance method considers the primary processes of wood and moist air transformation into components of the generator gas in the first subzone of the redox zone. The modified balance method is based on the equations of material balance of carbon, hydrogen, oxygen, moisture, nitrogen and thermal balance of the system. The added method determines the concentrations of the components of the generator gas in the second subzone of the redox zone, as well as in the reduction zone and the zone of interaction of the gasification products with each other and with the fuel carbon. The combination of these two methods makes it possible to calculate with greater accuracy the output of the generator gas, the concentration of its components, fuel and air consumption, as well as a number of other characteristics of the gas generator.https://energy.bntu.by/jour/article/view/1682concentration of gas componentequation of carbon balanceequation of hydrogen balanceequation of oxygen balanceequation of water balancebalance constant of chemical reactionhomogeneous reactionheterogeneous reaction |
spellingShingle | E. M. Kashin V. N. Didenko The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика concentration of gas component equation of carbon balance equation of hydrogen balance equation of oxygen balance equation of water balance balance constant of chemical reaction homogeneous reaction heterogeneous reaction |
title | The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process |
title_full | The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process |
title_fullStr | The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process |
title_full_unstemmed | The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process |
title_short | The New Method for Determining the Composition of Wood Gas Produced in Gas Generators of the Inverted Gasification Process |
title_sort | new method for determining the composition of wood gas produced in gas generators of the inverted gasification process |
topic | concentration of gas component equation of carbon balance equation of hydrogen balance equation of oxygen balance equation of water balance balance constant of chemical reaction homogeneous reaction heterogeneous reaction |
url | https://energy.bntu.by/jour/article/view/1682 |
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