By measuring the energy consumption for crushing rocks with different physical and mechanical properties, we explored the dependence of energy required for crushing on …
A comprehensive understanding of the physical phenomena that influence the power consumption and the particle output of the device are essential to enable …
In terms of cone crusher, Liu 4 puts forward an energy consumption model, which shows the influence of working conditions and structural parameters of crushing chamber on energy consumption. The existing researches are all aimed at the total energy consumption of crusher, rather than the effective energy consumption of …
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 ...
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 ...
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 …
Processes like grinding, transport of materials and crushing utilize machine drives and account for the majority of electricity consumption, as is evident in the result of the Manufacturing Energy Consumption Survey (MECS) in 1998 presented in Fig. 3.Process heating, by which clinker is made in large kilns, accounts for about 90% of the …
The relationship between the energy consumption density and the fractal dimension of fragments was established, and the coupling effect mechanism of freeze-thaw cycle action and strain rate effect on the fractal characteristics and energy consumption was revealed additionally. ... The concrete crushing blocks were collected after the …
Additionally, we establish a relationship between particle size and crushing energy through experimental analysis, enabling the calculation of crushing efficiency data. Taking cement crushing equipment as an example, we apply this non-contact measurement technique to inspect cement particles of different sizes.
Crusher settings also have a significant impact on energy consumption and aggregate quality. Research in this area shows that significant gains can be made both …
The aim of this paper was to determine the impact of physical and mechanical properties of rocks on the electricity consumption of a jaw crusher during crushing.
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 subject are ...
Over the last few decades, the demand for energy-efficient mineral-processing methods has continued. The necessity to develop energy-efficient technologies for the mineral industry will increase in the future, considering the exhaustion of high-quality resources and severe environmental limitations. The subject of this study is crushing …
crushing and crushing energy consumption. The results demonstrate that due to the different original states of the specimens, the damage to the specimens under static action is in the mode of ...
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.
The filling effect becomes more pronounced as density rises. To further illustrate the energy consumption mechanism and provide references for the structural optimization, the interaction needs to be quantitatively analyzed. ... energy consumption during the crushing of the ed concrete filler, and (iii) energy consumption during …
We implemented the theory of dynamic impact energy of rock to establish the calculation expression of hard coal impact crushing energy dissipation, and we established the Weibull distribution model of a crushing body to analyze the impact velocity in relation to the particle size distribution of hard coal crushing and crushing energy consumption.
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.
Semantic Scholar extracted view of "Energy consumption of a laboratory jaw crusher during normal and high strength concrete recycling" by Marija Nedeljković et al.
Based on the mining company's empirical data on fuel consumption, load factors of the main equipment in quarrying of crushed stone are determined in this paper.
between average block size and energy consumption of jaw crusher was correlated and thus the effect of efficient drilling and blasting application on energy …
The study was carried on a model double-toggle jaw crusher which allows crushing forces, energy and toggle displacement to be measured. The main aim of the work was to …
One potential source of CaO is the fine-grained material generated by crushing concrete for ... Hidalgo, I., Císcar, J. C., Soria, A. & Russ, P. Energy Consumption and CO 2 Emissions from the ...
This paper develops two optimal control models for the energy management of a mining crushing process based on jaw crushers. The performance index for…
The results show that energy consumption at the primary crusher is a sum of two components: energy directly involved in crushing the rock, and additional energy used for winning the inertial ...
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 ...
Rotary kilns represent the largest energy consumer and carbon dioxide emission source of the cement/concrete industry. The cover diagram shows a thermal image of an operating kiln.
Although crushing concrete to smaller particle sizes increases the surface area thereby supporting a more accelerated rate of carbonation, it also requires more energy for crushing 39, which can ...
The aim of this paper was to determine the impact of physical and mechanical properties of rocks on the electricity consumption of a jaw crusher during crushing.
In the second scenario, the major energy consumption is related to the crushing phase. Similarly, in the third scenario, the major energy consumption and CO 2 emissions are related to the crushing and the extraction phases, respectively.
The study is then extended to assess the energy consumption and carbon dioxide emission for three blended cements, viz. Portland Pozzolan cement (PPC), Portland slag cement (PSC) and composite cement (CC) with permissible known replacement levels of fly ash, granulated blast furnace slag and both fly ash and slag, …
However, secondary crushing also has its disadvantages, including increased energy consumption and the risk of over-crushing the material. Common Applications of Secondary Crushing in the Aggregates Industry. Secondary crushing is commonly used in the aggregates industry for producing crushed stone and gravel.
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.
Finally, this paper analyzes the crushing process of concrete under hydraulic impact, and predicts the unit energy consumption comprehensive damage by the multiple linear regression model, the decision tree model and the GBDT (Gradient Boosting Decision Tree) model.