concrete crushing energy consumption
Concrete crushing based on the high-voltage pulse
HVPD is a technology that accumulates low power energy for a period of time and then releases high power energy for a short time [1]. Show abstract High voltage pulse discharge (HVPD) crushing tests were carried out on 30 concrete columns with section sizes of 400 mm × 400 mm, 500 mm × 500 mm, 600 mm × 600 mm and 700 mm …
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Development of low-carbon recycled aggregate concrete …
2.2 Carbonation treatment. During the accelerated carbonation treatment of RCCA, CO 2 is introduced into RCCA, which reacts with the free water present in the pores, forming H 2 CO 3 —the ionizing of H 2 CO 3 results in the generation of H +, HCO 3 −, CO 3 2− ions. The CO 3 2− ions further react with the calcium ions produced by the …
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Reducing energy consumption of a raw mill in cement industry
The cement industry one of the worst pollutant industries [4].The collection and evaluation of periodical data concerning industry and other final energy consuming sectors are primary conditions in the determination of targets for the studies on energy saving [5].Since 1970, the primary physical energy intensity for cement production has …
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Experimental study on mechanical properties and breakage …
The crushing energy consumption density of carbon fiber-bar reinforced concrete was always greater than that of plain concrete, and the incorporation of …
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Jaw Crusher
Overview of size reduction of raw materials of the cement industry. Vipin Kant Singh, in The Science and Technology of Cement and Other Hydraulic Binders, 2023. 4.2.1 Jaw crushers. Jaw crushers are used for the primary reduction of hard and abrasive materials used for cement manufacture. Jaw crushers 3 are of either Blake-type or Dodge-type …
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Investigation on the deformation and energy dissipation …
The dissipated energy W e is made up of three parts: (i) energy consumption during the plastic deformation of the PE pipe, (ii) energy consumption during the crushing of the ed concrete filler, and (iii) energy consumption during the contact of the ed concrete filler and PE pipe W inter. (12) W e = W pipe + W filler + …
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Research on Particle Size and Energy Consumption Law of …
To study the particle size distribution and energy variation law of hard coal under a load, an impact compression test of hard coal specimens under different impact loading conditions was carried out using a Φ50 mm diameter Separate Hopkinson Press Bar (SHPB) test system. We implemented the theory of dynamic impact energy of rock …
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Energy consumption in production of concrete
The production of 1 m³ of concrete requires 2,775 MJ of energy. This energy comes mostly from oil burning, which generates CO2. 2.775 MJ of energy is produced by 0.37 barrels of oil. Saving concrete, …
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Evaluation of the Energy Consumption and Fractal …
The findings under different l/d are as follows: (1) The coal samples show similar stress–strain curve shapes in stages including elastic, plastic, and failure stage, which is an "open" shape, the proportion of plastic stage increases, and strain-softening occurs; (2) The dynamic compression dissipation energy and energy consumption …
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Energy consumption of a laboratory jaw crusher during …
This paper presents the measurement and analysis of energy consumption of a laboratory jaw crusher during concrete recycling. A method was developed to estimate the power requirements of a lab-scale jaw crusher. The impact of material properties on the crusher performance is studied. Eight concrete strength classes (C20/25-C80/95) were …
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Asphalt mixtures emission and energy consumption: A review
According to the World Bank [6], the road sector energy consumption includes petroleum products, natural gas, electricity, renewable fuels and waste. Fig. 1 shows the relation among urban population, CO 2 emissions, paved roads, unpaved roads and road sector energy consumption for some countries. In general, CO 2 emissions …
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Energy Efficiency Measurement of Mechanical Crushing …
As evident in Table 2, when the particle crushing size aligns with the cement production process's requirements, 80% of ore crushing equipment products exhibit particle sizes within the acceptable 1–12 mm range, with a minimum power consumption of 24.77 J and an efficiency of 69.9%. Similarly, 72% of raw material …
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Requirements and Energy Consumption of Crusher Plants
The energy consumption during crushing depends on factors such as the hardness and abrasiveness of the material, the crusher's efficiency, and the desired …
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Energy consumption of a laboratory jaw crusher during …
DOI: 10.1016/j.mineng.2023.108421 Corpus ID: 263726422; Energy consumption of a laboratory jaw crusher during normal and high strength concrete recycling @article{Nedeljkovi2023EnergyCO, title={Energy consumption of a laboratory jaw crusher during normal and high strength concrete recycling}, author={Marija Nedeljkovi{'c} and …
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Production of natural and recycled aggregates: the …
The energy consumption and CO 2 emissions [] are the most visible environmental criteria in the feasibility of recycling concrete measures [].The scenarios …
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Results of laboratory tests of crushing energy and time Crushing …
Compressive strength of concrete is believed to have a large impact on the energy required for crushing concrete, based on the similar findings for crushing rocks (natural stone) (Korman et al ...
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Optimal energy management for a jaw crushing process in deep mines
From the experimental results, it is demonstrated that there is a strong dependance of energy consumption on the compressive strength of concrete. Energy of crushing for specimens with a 90 MPa compressive strength was four times higher than the energy needed to crush specimens with a 28 MPa compressive strength.
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Sustainable Design of Reinforced Concrete Structures …
As the world struggles to reduce energy consumption and greenhouse gas emissions, much attention is focused on making buildings operate more efficiently. ... controlled (i.e., the compression strain of concrete reaches the crushing strain H cu 0.003, while the net tensile strain of the reinforcement ()H t remains less than or equal to 0.002 ...
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Crushing Energy & Work of Crushing Machines
A general awakening of interest among mill men concerning the mechanical efficiencies of their crushing machines is evident from a perusal of the recent files of mining publications. Considering the large part of the power bill which must be debited to the crushing department, such interest is natural. When, however, the articles on the …
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Prediction of power consumption and product size in cone crushing
From the experimental results, it is demonstrated that there is a strong dependance of energy consumption on the compressive strength of concrete. Energy of crushing for specimens with a 90 MPa compressive strength was four times higher than the energy needed to crush specimens with a 28 MPa compressive strength.
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Establishment of energy consumption model and multi-objective …
There are some researches on energy consumption of crusher. In terms of disc crusher, J.M. Zuñiga 3 calculates the total energy consumption of disc crusher by studying the dynamics of parts. In terms of cone crusher, Liu 4 puts forward an energy consumption model, which shows the influence of working conditions and structural …
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Comparison of the energy consumption in the production …
The energy consumption involved in the recycling of the demolition debris from a reinforced concrete (RC) structure and the production of NA was determined. ... crushing. The concrete debris was ...
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Analysis of Fractal and Energy Consumption Characteristics of Concrete …
The study of the distribution of the fragment and the energy consumption of crack propagation after concrete crushing can help people better evaluate and analyze the impact strength and energy evolution law of concrete. In this paper, the split Hopkinson bar test device with a diameter of 100 mm was used to carry out impact compression tests ...
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Towards Leveraging Artificial Intelligence for Sustainable Cement …
Cement manufacturing is known for its significant energy consumption and environmental footprint. As the world strives for sustainability, optimizing electrical energy consumption (EEC) in cement manufacturing is essential for reducing operational costs and minimizing the industry's environmental impact. This systematic review aims to …
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Stone Crushers: A Technical Review on Significant Part of
Analytical and experimental results are the backbone of the conducted studies which show promising results in estimating the energy consumption of jaw crushers. Input parameters like closed site setting, gap, stone strength and target reduction ratios can be a useful parameter in determining the energy consumption of jaw crushers .
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Production of natural and recycled aggregates: the …
energy consumption is related to the crushing phase. ... The substantial demand for concrete entails significant consumption of natural aggregates, which constitute approximately 55-80 % of its ...
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Energy and Emission Reduction Opportunities for the …
operation dominates the energy consumption and environmental impacts associated with the manufacture of cement and use of concrete and accounts for 74.2% of the industries' energy consumption. U.S. pyroprocessing systems, on average, operate at roughly 34% energy efficiency. -i
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Energy consumption of a laboratory jaw crusher during …
None of the research so far had focused on experimental measurements of energy consumption for concrete crushing and recycling, even though construction and demolition waste is assessed to be 25–30 % of the total waste in Europe (Cai and …
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Concrete crushing based on the high-voltage pulse
The optimal arrangement of concrete holes is proposed. High-voltage pulse discharge (HVPD) technology has a broad prospect in concrete crushing. The model …
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Energy consumption has resulted up to 62 times higher than conventional recycling. ... The recycling technology of this process consists of crushing the concrete waste in combination with a jaw crusher and an impact crusher and processing the crushed material twice with an even more efficient jaw crusher where a grinding effect can be …
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