Uppvärmning med spannmål och trädbränslen
This examination work brings up opportunities to invest in a construction for heating with grain or pellets on farm level. As example we have chosen Fröberga Gård which is a farm located in Östergötland outside of Söderköping. The farm`s residential buildings is to day heated with oil and electr...
| Autores principales: | , |
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| Formato: | Otro |
| Lenguaje: | sueco sueco |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://stud.epsilon.slu.se/11571/ |
| _version_ | 1855571898096680960 |
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| author | Fredriksson, Carl Sjölander, Johan |
| author_browse | Fredriksson, Carl Sjölander, Johan |
| author_facet | Fredriksson, Carl Sjölander, Johan |
| author_sort | Fredriksson, Carl |
| collection | Epsilon Archive for Student Projects |
| description | This examination work brings up opportunities to invest in a construction for heating with grain
or pellets on farm level.
As example we have chosen Fröberga Gård which is a farm located in Östergötland outside of
Söderköping.
The farm`s residential buildings is to day heated with oil and electricity.
The result of our investigation shows that heating with grain is the best alternative, partly because
of economical issues but also because you can grow the grain on your own farm and by that you
can get better economy in your seed cultivation.
To grow 16 tonne of grain as is needed demand gives a insignificant increase of work.
Further an advantage is that no investment in machines is needed because all the machines witch
is needed already is in use on the farm.
In a situation where a new investment is needed as in the case we studied, is it often profitable to
invest in a integrated furnace. Because all the components are well adapted to each other, and
because that gives a high efficiency.
If you already own a well working furnace is it often most profitable to connect a burner to it.
It is important to know that heating with grain need more work than heating with pellets, because
the high contents of ash in grain.
Even if you choose pellets instead of grain the calculation shows good results.
Because peat is an excellent but fairly untested raw material for pelletsproduction we have
chosen to watch little more on its quality and conductions.
We discovered that peat has a high heating value which makes it possible to raise the heat value
in pellets through mix up peat and wood. Or you can make pellets with only peat and get a pellet
with high heating value. Even the calculation with peatheating shows good results. |
| format | Otro |
| id | RepoSLU11571 |
| institution | Swedish University of Agricultural Sciences |
| language | Swedish swe |
| publishDate | 2005 |
| publishDateSort | 2005 |
| record_format | eprints |
| spelling | RepoSLU115712017-10-03T07:58:46Z https://stud.epsilon.slu.se/11571/ Uppvärmning med spannmål och trädbränslen Fredriksson, Carl Sjölander, Johan Agricultural economics and policies Faculty of Landscape Planning, Horticulture and Agricultural Science (until 2013) This examination work brings up opportunities to invest in a construction for heating with grain or pellets on farm level. As example we have chosen Fröberga Gård which is a farm located in Östergötland outside of Söderköping. The farm`s residential buildings is to day heated with oil and electricity. The result of our investigation shows that heating with grain is the best alternative, partly because of economical issues but also because you can grow the grain on your own farm and by that you can get better economy in your seed cultivation. To grow 16 tonne of grain as is needed demand gives a insignificant increase of work. Further an advantage is that no investment in machines is needed because all the machines witch is needed already is in use on the farm. In a situation where a new investment is needed as in the case we studied, is it often profitable to invest in a integrated furnace. Because all the components are well adapted to each other, and because that gives a high efficiency. If you already own a well working furnace is it often most profitable to connect a burner to it. It is important to know that heating with grain need more work than heating with pellets, because the high contents of ash in grain. Even if you choose pellets instead of grain the calculation shows good results. Because peat is an excellent but fairly untested raw material for pelletsproduction we have chosen to watch little more on its quality and conductions. We discovered that peat has a high heating value which makes it possible to raise the heat value in pellets through mix up peat and wood. Or you can make pellets with only peat and get a pellet with high heating value. Even the calculation with peatheating shows good results. Detta examensarbete tar upp förutsättningarna för att investera i en anläggning för uppvärming med spannmål, pellets eller torv på gårdsnivå. Som exempel har vi valt Fröberga gård som ligger i Östergötland utanför Söderköping. Gårdens bostäder värms idag upp med hjälp av el och olja.. Resultatet efter våran undersökning visar att spannmålseldning är det bästa alternativet dels ur ekonomisk synvinkel men också för att man kan odla spannmålen på den egna gården och därigenom skapa en god odlingsekonomi. Att odla de 16 ton spannmål som krävs för att värma upp gården kräver en obetydlig ökning av arbetsinsatsen i spannmålsodlingen. Ytterligare en fördel är att inga extra maskininvesteringar krävs då maskinerna redan finns och använts på gården. Vid en nyinvestering som i det aktuella fallet lönar det sig oftast att köpa en integrerad panna eftersom då alla komponenter är anpassade till varandra och därför ger en hög verkningsgrad. Har man redan en väl fungerande panna lönar det sig oftast bäst att ansluta en brännare till den. Man ska dock ha klart för sig att det höga askinnehållet i spannmålen gör att det krävs en något större arbetsinsatts än vid eldning med pellets. Även om man väljer pellets istället för spannmål visar kalkylen på ett positivt resultat. Eftersom torv är en utmärkt men relativt obeprövad råvara för pelletstillverkning har vi valt att titta närmare på dess egenskaper och förutsättningar. Det vi såg var att torv hade ett högt värmevärde, viket gör att man kan höja värmevärdet i pelletsen genom att blanda i torv eller rent utav göra pellets på enbart torv och få en pellets med högt värmevärde. Även kalkylen på torveldning visade ett positivt resultat jämfört med olja och el. 2005-11-24 Other NonPeerReviewed application/pdf sv https://stud.epsilon.slu.se/11571/1/fredriksson_c_sjolander_j_171003.pdf Fredriksson, Carl and Sjölander, Johan, 2005. Uppvärmning med spannmål och trädbränslen. UNSPECIFIED, Alnarp. Alnarp: (LTJ, LTV) > Dept. of Landscape Architecture, Planning and Management (from 130101) <https://stud.epsilon.slu.se/view/divisions/OID-644.html> urn:nbn:se:slu:epsilon-s-7398 swe |
| spellingShingle | Agricultural economics and policies Faculty of Landscape Planning, Horticulture and Agricultural Science (until 2013) Fredriksson, Carl Sjölander, Johan Uppvärmning med spannmål och trädbränslen |
| title | Uppvärmning med spannmål och trädbränslen |
| title_full | Uppvärmning med spannmål och trädbränslen |
| title_fullStr | Uppvärmning med spannmål och trädbränslen |
| title_full_unstemmed | Uppvärmning med spannmål och trädbränslen |
| title_short | Uppvärmning med spannmål och trädbränslen |
| title_sort | uppvärmning med spannmål och trädbränslen |
| topic | Agricultural economics and policies Faculty of Landscape Planning, Horticulture and Agricultural Science (until 2013) |
| url | https://stud.epsilon.slu.se/11571/ https://stud.epsilon.slu.se/11571/ |