Temat: heat demand - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of Heat Loss of a Biogas Anaerobic Digester in Weather Conditions in Poland
Autorzy:: Teleszewski, T. J.
Żukowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/125369.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: biogas anaerobic digester
heat demand
heat losses
Opis:: Currently in Poland, the construction of biogas plants as alternative energy sources is increasing. Often, the technical solutions for design and building of biogas plants are transferred to Poland from the countries in which these technologies are developed without taking into account the specific climatic conditions prevailing in Poland. It does occur that newly built biogas plants have a problem maintaining a sufficiently high temperature in the winter, which is caused by the insufficient insulation of the biogas anaerobic digester envelope. This paper presents an analysis of heat loss, depending on the climatic conditions prevailing in Poland and the working conditions of a biogas plant, based on an existing facility located in Ryboly (Poland). The work is supplemented with the results of tests using a thermal imaging camera. It should be noted that currently there are no requirements in the literature regarding the design of a thermal insulating layer in biogas installations in Poland.
Źródło:: Journal of Ecological Engineering; 2018, 19, 4; 242-250
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Management of Solid Biomass in Medium Power Boiler Plants
Autorzy:: Rybak-Wilusz, Elżbieta
Proszak-Miąsik, Danuta
Kuliński, Bartosz
Powiązania:: https://bibliotekanauki.pl/articles/123436.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: solid biofuels
heat demand
biomass consumption
costs
heat generation
Opis:: Solid biomass plays a leading role in the development and dissemination of technologies pertaining to the usage of renewable raw materials. The biomass processed into solid biofuel requires special logistic operations. Distribution from the place of production, handling and storage of biofuel are basic and necessary elements of the chain of fuel supply to the energy source. Solid biofuels for energy use occur in different forms which affect the costs of logistic operations. Rational heat generation requires choosing a specific type and form of biofuel, assessing the availability of raw materials, integrating fuel management with energy source technology and, above all, determining the cost of energy generation. The cost of energy generation includes the cost of fuel and logistic operations, which depend mainly on a type and form of fuel. Currently, the commonly used biofuels are wood chips, straw and pellets. This paper presents a comparison of heat demand of 400 kW, 600 kW and 1 MW boiler plants generating heat for the purpose of heating buildings and water. The analysis took into account three forms of biofuels: compressed, crushed and granulated forms resulting from different types of biomass (straw, woodchips, pellets). The cost of heat generation in the aspect of biofuel management and the share of particular cost components in heat production were determined. It was shown that in medium power boiler plants, the granulated fuel has the lowest cost of biomass distribution, whereas wood chips have the lowest cost of heat production.
Źródło:: Journal of Ecological Engineering; 2020, 21, 1; 106-112
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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