Energy saving potential in existing industrial compressors

Vittorini, Diego; Cipollone, Roberto

doi:10.1016/j.energy.2016.02.115

Cited by 56 publications

(19 citation statements)

References 3 publications

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“…A load shift requires the energy and operations of a specific electricity consumer to be reduced during peak TOU tariffs [44]. In addition to load shifts, improved control practices were found, when studying load management and operational improvement in mining, to be a means to reduce energy usage on mines [7,30,38,44]. There is also a consideration of differing shaft schedules on the same system [46].…”

Section: Introductionmentioning

confidence: 99%

Holistic analysis of the effect on electricity cost in South Africa’s platinum mines when varying shift schedules according to time-of-use tariffs

Shaw¹,

Mathews

Marais

2019

J. energy South. Afr.

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In the past the cost of electricity was not a significant concern and was not common practice for mining companies to consider peak time-of-use (TOU) tariffs for their shift schedules. It has become more prevalent, as TOU tariffs continue increasing, to consider energy saving important. A study was carried out to analyse the mining operation of a South African deep-level platinum mine in respect of integrated load management, shift changes and TOU schedules. This was achieved by thoroughly analysing energy consumers, mine operational schedules and their interconnectedness. A specific mining system was analysed as a case study and a maximum savings scenario was determined, using the methodology formulated. The maximum savings scenario schedule change resulted in a 1.3% cost reduction. System improvements had an additional potential reduction effect of 8.4%, which was primarily the result of a reduction in compressors’ power consumption. The implications of the proposed schedule adjustments necessitated a realistic scenario. The realistic scenario had an effective financial reduction of 0.7%. The realistic schedule change, however, opened the door for large system operational improvements, which could increase the reduction potential by 7.6%. The study methods described illustrate the potential implications of integrated load management and operational schedule optimisation on the power demand and cost savings in the mining industry, specifically focusing on deep-level platinum mines.

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Section: Introductionmentioning

confidence: 99%

Holistic analysis of the effect on electricity cost in South Africa’s platinum mines when varying shift schedules according to time-of-use tariffs

Shaw¹,

Mathews

Marais

2019

J. energy South. Afr.

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“…Figure 1 shows the amount of the electricity is consumed in the world within different types of sectors. The CAS (compressed air systems) according to Diego Vittorini and Roberto Cipollone [1] is responsible for up to 20% industry electricity consumption. As we can see, there is a great potential of energy we can save/recover from compressed air systems.…”

Section: Introductionmentioning

confidence: 99%

“…Electricity consumption by sectors[1]. National and European emission indexes related to electricity consumption[2].…”

mentioning

confidence: 99%

The study on the heat recovery from air compressors

Broniszewski¹,

Werle

2018

E3S Web Conf.

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Effective use of utilities in production plants is an issue that is becoming increasingly significant in energy policy of Europe. Production of compressed air consumes 3% of the total electricity consumption in Europe. In order to produce compressed air, approximately 10-20% of electricity transferred to compressor is used, the rest is lost due to lack of tightness and heat losses. The aim of this work is to evaluate the possibility to install recovery systems on air compressors to recover the lost waste heat and its management for the needs of heating office buildings/production halls and analysis of investment profitability. The investment will be supported by co-financing in the form of energy efficiency certificates (so-called white certificates), which the production plant will be able to sell after receiving them from Polish Energy Regulatory Office in return for completing an investment that consists recovering waste heat from air compressors.

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“…Finland has committed to the EU targets and aims at increasing self-sufficiency in energy [3]. The industrial sector accounts for, on average, 50% of the overall electricity consumption [4]. A cost-effective way to achieve the international and national targets involves improving energy efficiency [5].…”

Section: Introductionmentioning

confidence: 99%

“…A cost-effective way to achieve the international and national targets involves improving energy efficiency [5]. The improvement of compressor performance, in particular, plays an important role in improving energy efficiency and reducing the enduse electricity demand, as compressors alone account for 15% of the overall electricity consumption within industry [4].…”

Section: Introductionmentioning

confidence: 99%