scholarly journals A Case Study on Assessment Performance and Energy Efficient Recommendations for Industrial Boiler

2021 ◽  
Vol 8 (4) ◽  
pp. 61-69
Author(s):  
Pratik M. Joshi ◽  
Shekhar T. Shinde ◽  
Kedarnath Chaudhary
Keyword(s):  
Waste Heat ◽  
Maintenance Cost ◽  
Thermal Imager ◽  
Energy Audit ◽  
Energy Assessment ◽  
Standard Values ◽  
Industrial Boiler ◽  
Assessment Performance ◽  
Save Energy

As India is a developing country, industrialization is increasing day by day and there is a great need for industry energy audit. Audit helps to maintain and save energy from being wasted and helps in achieving highest efficiency of industrial equipment. This paper contains an actual industry audit report on boiler performance. This paper contains a report on Thermal analysis of boilers, thermal skin heat loss of boilers, O2 percentage control in flue gases to standard values, effect of coal additive, etc. This paper also contains a report on waste heat recovery options for thermal boiler, flue efficiency monitor, infrared thermometer, ultrasonic peak detector IR thermal imager. These equipment are used for energy assessment of boilers. Thermography survey of boiler surface is carried out to estimate the radiation and the other losses and the result of this total annual saving after insulation repairing or maintenance is Rs.8.48 lakh and investment is around Rs.6.31 lakh. Economizer performance of both the ISGEC and Thermax boiler can be improved with the help of suggested measures. It will help to save approximately rupees Rs.38.42 Lakh annually and investment on maintenance cost is negligible. In short, this paper deals with assessment of all boilers, evaluates their efficiencies and losses to identify energy saving opportunities and presents them in a report with their payback periods. Keywords: Energy, Energy audit, assessment, boiler.

scholarly journals Energy audit proposal for industry applied to a case study in the plastics sector

DYNA ◽  
2019 ◽  
Vol 86 (210) ◽  
pp. 345-354
Author(s):  
María Isabel García Fajardo ◽  
Juan Marcel Caicedo Cuchimba ◽  
Vladimir Tobar Escobar ◽  
Juan Fernando Flórez Marulanda
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Industrial Processes ◽  
Energy Audit ◽  
Total Energy Consumption ◽  
Industry Sector ◽  
Energy Assessment ◽  
Data Collection Process

An electric type 2 energy audit towards the industry sector is proposed based on 4 stages: 1) General review of the organization, 2) Energy assessment, 3) Saving potential identification and 4) Improvement proposals of energy efficiency. Energy assessment is mainly emphasized in which, by means of the ISA-88.01 standard, the data-collection process and its analysis is carried out bearing in mind 4 axes: i) Industry equipment, ii) Electric Installations and  power quality, iii) Industrial processes and iv) Industrial habits and practices. The present proposal is applied to a case study of an enterprise from the plastics sector where it is important to mention that: 75% of the total energy consumption is represented by three molding machines. A series of actions are proposed in order to implement in the industry case study and consequently, improving the energy efficiency in 7, 25% and also optimizing production.

scholarly journals A Comprehensive Framework for Standardising System Boundary Definition in Life Cycle Energy Assessments

Buildings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 230
Author(s):  
Hossein Omrany ◽  
Veronica Soebarto ◽  
Jian Zuo ◽  
Ruidong Chang
Keyword(s):  
Life Cycle ◽  
Energy Use ◽  
Embodied Energy ◽  
Building Energy Efficiency ◽  
System Boundary ◽  
Policy Makers ◽  
Energy Assessment ◽  
Boundary Definition ◽  
Comprehensive Framework

This paper aims to propose a comprehensive framework for a clear description of system boundary conditions in life cycle energy assessment (LCEA) analysis in order to promote the incorporation of embodied energy impacts into building energy-efficiency regulations (BEERs). The proposed framework was developed based on an extensive review of 66 studies representing 243 case studies in over 15 countries. The framework consists of six distinctive dimensions, i.e., temporal, physical, methodological, hypothetical, spatial, and functional. These dimensions encapsulate 15 components collectively. The proposed framework possesses two key characteristics; first, its application facilitates defining the conditions of a system boundary within a transparent context. This consequently leads to increasing reliability of obtained LCEA results for decision-making purposes since any particular conditions (e.g., truncation or assumption) considered in establishing the boundaries of a system under study can be revealed. Second, the use of a framework can also provide a meaningful basis for cross comparing cases within a global context. This characteristic can further result in identifying best practices for the design of buildings with low life cycle energy use performance. Furthermore, this paper applies the proposed framework to analyse the LCEA performance of a case study in Adelaide, Australia. Thereafter, the framework is utilised to cross compare the achieved LCEA results with a case study retrieved from literature in order to demonstrate the framework’s capacity for cross comparison. The results indicate the capability of the framework for maintaining transparency in establishing a system boundary in an LCEA analysis, as well as a standardised basis for cross comparing cases. This study also offers recommendations for policy makers in the building sector to incorporate embodied energy into BEERs.

scholarly journals Evaluating the effectiveness of machine acquisitions and design by the impact on maintenance cost – a case study

2020 ◽  
Vol 53 (3) ◽  
pp. 25-30
Author(s):  
M. Hane Hagström ◽  
K. Gandhi ◽  
D. Bergsjö ◽  
A. Skoogh
Keyword(s):  
Maintenance Cost ◽  
The Impact

A newly designed economizer to improve waste heat recovery: A case study in a pasteurized milk plant

2013 ◽  
Vol 60 (1-2) ◽  
pp. 188-199 ◽  
Author(s):  
Sathit Niamsuwan ◽  
Paisan Kittisupakorn ◽  
Iqbal M. Mujtaba
Keyword(s):  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Pasteurized Milk

Implementation of InfraRed Thermographic surveys in complex coastal areas: the case study of Polignano a Mare (southern Italy)

2021 ◽  
Author(s):  
Lidia Loiotine ◽  
Marco La Salandra ◽  
Gioacchino Francesco Andriani ◽  
Eliana Apicella ◽  
Michel Jaboyedoff ◽  
...  
Keyword(s):  
Rock Mass ◽  
Structure From Motion ◽  
Southern Italy ◽  
Thermal Imager ◽  
Rock Masses ◽  
Field Surveys ◽  
Thermal Images ◽  
Thermal Anomalies ◽  
Rock Face

<p><em>InfraRed Thermography</em> (IRT) spread quickly during the second half of the 20<sup>th</sup> century in the military, industrial and medical fields. This technique is at present widely used in the building sector to detect structural defects and energy losses. Being a non-destructive diagnostic technique, IRT was also introduced in the Earth Sciences, especially in the volcanology and environmental fields, yet its application for geostructural surveys is of recent development. Indeed, the acquisition of thermal images on rock masses could be an efficient tool for identifying fractures and voids, thus detecting signs of potential failures.<br>Further tests of thermal cameras on rock masses could help to evaluate the applicability, advantages and limits of the IRT technology for characterizing rock masses in different geological settings.<br>We present some results of IRT surveys carried out in the coastal area of Polignano a Mare (southern Italy), and their correlation with other remote sensing techniques (i.e. <em>Terrestrial Laser Scanning</em> and <em>Structure from Motion</em>). The case study (<em>Lama Monachile</em>) is represented by a 20 m-high cliff made up of Plio-Pleistocene calcarenites overlying Cretaceous limestones. Conjugate fracture systems, karst features, folds and faults, were detected in the rock mass during field surveys. In addition, dense vegetation and anthropogenic elements, which at places modified the natural setting of the rock mass, represent relevant disturbances for the characterization of the rock mass. In this context, IRT surveys were added to the other techniques, aimed at detecting the major discontinuities and fractured zones, based on potential thermal anomalies. <br>IRT surveys were carried out in December 2020 on the east side of the rock mass at <em>Lama Monachile</em> site. Thermal images were acquired every 20 minutes for 24 hours by means of a FLIR T-660 thermal imager mounted on a fixed tripod. Ambient air temperature and relative humidity were measured during the acquisition with a pocketsize thermo-hydrometer. A reflective paper was placed at the base of the cliff to measure the reflected apparent temperature. In addition, three thermocouple sensors were fixed to the different lithologic units of the rock face. These parameters, together with the distance between the FLIR T-660 and the rock face, were used in order to calibrate the thermal imager and correct the apparent temperatures recorded by the device, during the post-processing phase. Successively, vertical profiles showing the temperature of the rock face over time were extracted from the thermograms. Thermal anomalies were correlated with stratigraphic and Geological Strength Index profiles, obtained by means of field surveys and Structure from Motion techniques. The presence of fracture and voids in the rock mass was also investigated.</p>

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