Increased use of district heating in industrial processes – Impacts on heat load duration

Difs, Kristina; Danestig, Maria; Trygg, Louise

doi:10.1016/j.apenergy.2009.03.011

Cited by 47 publications

(22 citation statements)

References 17 publications

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“…After this, heat load duration curves for those processes and the present DH load duration curves for the industrial processes (for industrial companies which already use DH) were adjusted to the chosen time division (see beginning of the section 2). For each industrial company studied, the present and the predicted new DH load duration curves for each separate process (drying, space heating, hot tap water, melting, process heating and other) were introduced as input data to the MeHLA [15]. Some of the outputs from the MeHLA are DH load duration curves for the different unit processes for all of the industrial companies together.…”

Section: Methods For Heat Load Analysis (Mehla)mentioning

confidence: 99%

“…The division reflects the seasonal variation of the existing DH load duration curves in the local DHSs [19], [20]. The effects of the conversion of industrial processes to DH on the existing DH load duration curves were analysed using the Method for Heat Load Analysis (MeHLA) which was developed at Linköping University by Difs et al [15].…”

Section: Methodsmentioning

confidence: 99%

“…Difs et al [15] analysed how conversion of industrial processes from electricity and fossil fuels to DH in 34 Swedish industries from different sectors of trade would influence the DH load duration curves in the local DHSs. The results showed that the conversion would lead to a DH demand curve which is less dependent on outdoor temperature, and thus would increase the utilization of the base production plants (CHP plants).…”

Section: Introductionmentioning

confidence: 99%

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Economic and environmental benefits of converting industrial processes to district heating

Ilić¹,

Trygg²

2014

Energy Conversion and Management

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The aim of this study was to analyse the possibilities of converting industrial processes from electricity and fossil fuels to district heating in 83 companies in three Swedish counties.Effects on the local district heating systems were explored, as well as economic effects and impacts on global emissions of greenhouse gases. The study was conducted considering two different energy market conditions for the year 2030.The results show that there is a potential for increasing industrial district heating use in all analysed counties. The greatest potential regarding percentage is found in Jönköping, where the annual district heating use in the manufacturing companies could increase from 5 GWh to 45 GWh. The annual industrial district heating use could increase from 84 GWh to 168 GWh in Östergötland and from 14 GWh to 58 GWh in Västra Götaland. The conversion of the industrial production processes to district heating would lead to district heating demand curves which are less dependent on outdoor temperature. As a result, the utilization period of the base load plants (above all of the combined heat and power plants) would be prolonged; this would decrease district heating production costs due to the increased income from the electricity production. The energy costs for the industrial companies decrease after the conversions as well. Furthermore, the increased electricity production in the combined heat

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Section: Methods For Heat Load Analysis (Mehla)mentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Economic and environmental benefits of converting industrial processes to district heating

Ilić¹,

Trygg²

2014

Energy Conversion and Management

Self Cite

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“…Thermal load shifting in thermal networks is rarely implemented, mainly because the absence of suitable smart meters and the lack of motivation [119].…”

Section: Research Directions Towards Smart Thermal Gridsmentioning

confidence: 99%

District heating and cooling optimization and enhancement – Towards integration of renewables, storage and smart grid

Liu

Rezgui

Zhu

2017

Renewable and Sustainable Energy Reviews

128

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Optimization and Enhancement of DHC networks to reduce (a) fossil fuel consumption, CO 2 emission, and heat losses across the network, while (b) increasing return on investment, forming key challenges faced by decision makers in the fast developing energy landscape. While the academic literature is abundant of research based on field experiments, simulations, optimization strategies and algorithms etc., there is a lack of a comprehensive review that addresses the multi-faceted dimensions of the optimization and enhancement of DHC systems with a view to promote integration of smart grids, energy storage and increased share of renewable energy. The paper focuses on four areas: energy generation, energy distribution, heat substations, and terminal users, identifying state-of-the-art methods and solutions, while paving the way for future research.

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“…Although previous research on the development of excess heat-based district heating mainly focuses on technical solutions, it often highlights organisational aspects as important in the development of inter-organisational collaborations (Arnell et al, 2012). However, Difs et al (2009) argue that the district heating literature contains a knowledge gap regarding the impact of organisational aspects concerning the development of inter-organisational collaborations.…”

Section: Introductionmentioning

confidence: 99%

Excess heat supply collaborations within the district heating sector: Drivers and barriers

Päivärinne

Hjelm

Gustafsson

2015

Journal of Renewable and Sustainable Energy

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This article combines the theoretical field of Industrial Symbiosis (IS) with a business model perspective to increase the knowledge about drivers and barriers behind the emergence of excess heat supply collaborations between district heating companies and industrial firms. The increased knowledge is gained by identifying and examining drivers and barriers associated with collaborative efforts to funnel excess heat produced by industrial firms into district heating grids in Sweden. An increased recovery of excess heat has the potential to reduce the primary energy demands of district heating systems. This study examines both existing and potential developments of industrial collaborations of excess heat-based district heating systems. The focus of the study consists of two Swedish cases of existing collaboration between district heating companies and pulp and paper industries as well as 16 industrial firms that all produce unused excess heat as a by-product. Confirming earlier research results, this study shows that financial issues are both the main drivers and the main barriers behind the emergence and development of inter-organisational collaborations. In addition, this study confirms earlier research that found the trust, joint problem solving, and fine-grained information transfer are important elements of successful collaboration. This study complements and clarifies these three features by including honesty and shared visions on common goals as important qualities needed for well-functioning collaborations. Combining the IS and the business model perspective has made it possible to examine more factors related to collaboration. The business model perspective has contributed with knowledge about central components of the business agreement between the collaborating parties, and the IS-perspective has contributed knowledge of the important organisational factors behind the emergence and development of long-term sustainable business agreements between firms

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Increased use of district heating in industrial processes – Impacts on heat load duration

Cited by 47 publications

References 17 publications

Economic and environmental benefits of converting industrial processes to district heating

Economic and environmental benefits of converting industrial processes to district heating

District heating and cooling optimization and enhancement – Towards integration of renewables, storage and smart grid

Excess heat supply collaborations within the district heating sector: Drivers and barriers

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