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The grading structure of the crushed coal body is an important factor affecting the compaction and re-crushing characteristics of the crushed gangue, and the compaction mechanical properties of the …
Optimization of crushing system of coal gangue by using Aspen Plus software. • Two-toothed roll crusher was found to be the most significant and vulnerable part in the crushing system arrangement. • The appearance function in the Whiten model was extended to the coal gangue. • The optimized PSD improved the combustion …
Li et al. 19 used PFC3D model to simulate and analyse the compression deformation characteristics of coal gangue under different particle sizes, and the …
Focusing on the issues of complex models, high computational cost, and low identification speed of existing coal gangue image identification object detection algorithms, an optimized YOLOv5s lightweight detection model for coal gangue is proposed. Using ShuffleNetV2 as the backbone network, a convolution pooling module is used at the …
DPC hammer crusher offered by China manufacturer Zhengzhou Dingsheng Engineering Technology Co., Ltd.. ... gypsum, coal, coal gangue . 1. High Performance - Low Operating Costs . 2. Hydraulic opening of crusher housing . 3. ... The capacity of upgraded model has been increased by 5-10% and up to 2500 tph with longer service life of wear ...
Properties of coal gangue feed, especially its particle size distribution (PSD) and variable hardness, result in considerable impacts on both the efficiencies of the …
technology models of ¤lling goaf with coal gangue slurry, including ground centralized pulping+ high- ... Speci˛cally: the coal gangue is crushed by a multi-stage crusher and enters the ...
Sample uniform This machine has no plug and needs to be connected to the breaker. Grain Size: ≤ 6, ≤ 3. No dust pollution Crushed sealed design, no dust pollution. Preparation of samples without screening can also be used directly, less process, high production efficiency.
The technical framework of filling goaf with coal gangue slurry. The technology of filling goaf with coal gangue slurry is to make gangue into granular aggregate with a specific particle size gradation by crushing, screening, and other technical means, mixing and stirring it with water in proportion to make gangue slurry with a …
This research investigated the ability of the adaptive neuro fuzzy inference system (ANFIS) to simulate the effects of throw, eccentric speed, closed side setting, and the size of the particle on crusher output and resolved that the model fostered was a suitable instrument for the onsite cone crusher assessment.
Coal Sizer is a professional coal crushing equipment, mainly used for crushing raw coal, coal gangue, coal coke and other materials. According to the crushing degree, coal sizers can be divided into one-stage crusher and two-stage crusher. Our coal sizers has the characteristics of wear resistance, impact resistance, stable operation, convenient …
1.2. Source and distribution of CG in China. CG is a kind of black gray shale rock produced in the process of coal production. China is the world's largest coal producer (Munir et al., 2020) and also the largest coal consumer.Coal provides about 62% of China's energy demand (Mita et al., 2015).In the process of sorting and processing, the production of …
According to the crushing process on-site, the jaw crusher model used in the indoor crush- ing experiment is PEF60×100, the maximum feeding particle size is 48 …
Toothed Roller Crusher Processing ability: 70-460 t/h Feeding granularity: 100-800 mm Dimensions: 2100×2450×2000-2500×4360×2400 mm Applied material: coal, pebble, perlite, limestone
Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable development requirements. This paper reviews the properties and preparation methods of Chinese gangue aggregate, studies the influence of gangue …
Performance characteristics of coal gangue compound crusher. 1 The compound crusher is suitable for crushing coal gangue with high water content, ... The price is affected by models, equipment manufacturers, …
DOI: 10.1016/J.POWTEC.2012.08.021 Corpus ID: 96046481; Modeling of coal breakage in a double-roll crusher considering the reagglomeration phenomena @article{Kwon2012ModelingOC, title={Modeling of coal breakage in a double-roll crusher considering the reagglomeration phenomena}, author={Jihoe Kwon and Heechan Cho …
The impacting crusher was used to impact crushing test on coal and gangue from three mining with different impact velocity.The distribution function of coal and gangue ... The numerical simulation model of coal gangue brick tunnel kiln system in one coal mine was established to study the waste heat recovery. The gas flow and heat transfer in ...
Objective On the basis of summarizing previous research results, this paper introduces the hydraulic roller crusher and the electric machine built-in coal gangue roller crusher, which avoids the ...
The damage evolution model of SCGC under freeze–thaw cycles (FTCs) is established by introducing damage variables of coal gangue and SCGC. What is the implication of the main finding?
Based on the the summary of existing experience of coal mining and engineering,the important content and engineering design of the new mining model which used coal gangue to make high-strength materials for no pillar coal mine backfill,the fundemental theoretial engineering research and further developing researches were discussed …
For every ten tons of coal yield, one ton of coal gangue is produced. As a major and largest coal producer in the world, China had an annual total output of 4.56 billion tons of coal in 2022 ...
1. Introduction. Coal gangue, a coal mining and processing byproduct, has long been considered a valueless waste material [1].However, with the increasing global coal production, the amount of coal gangue generated has also grown exponentially, leading to significant dust emissions and high disposal costs [2, 3].For example, China …
The double stage crusher can crush common materials such as coal gangue, shale, coal gangue, slag, cement, river pebbles, iron ore, limestone, etc. More than 500 construction industries and other industry materials.The machine is equivalent to two hammers broken into one, reasonable combination into one whole, two sets of rotors are used in ...
Coal gangue: The coal gangue (CG) used in this study is untreated raw coal gangue, sourced from Lingshou County, Hebei Province, China. Its appearance mostly presents as flakes or blocks of black-gray rocks, and the shape and size of CG vary. The main chemical components of the CG are shown in Table 1, measured by X-ray …
The number of parameters is reduced by 47.6%, and the computational effort is reduced by 49.4%. Meanwhile, the recognition accuracy of the improved SG-YOLO model for coal and gangue under low illumination is 96.5% and 98.5% respectively, which effectively improves the recognition accuracy of coal rain gangue under low illumination …
The current study is to establish a Aspen Plus model to optimize the coal gangue crushing circuit in terms of the combustion performances of the CFB boiler. …
Table 1 explains the specific characteristics of the raw materials used in making concrete specimens. The coal gangues selected in this test are from in Zhangjiamao coal mine, Shenmu City, Shaanxi Province in China. Fig. 1 presents the mineral composition analysis of coal gangue, which was measured by Shimadzu XRD …
In the first phase a model was obtained which can be applied to breakage process in a roll crusher. This model was based on the framework proposed by Broadbent and Callcott, 1956a, Broadbent and Callcott, 1956b, Broadbent and Callcott, 1957. ... Recent patents on roll crushing mills for selective crushing of coal and gangue. 2020, …
Laboratory Roller Crusher DG200 * 150 Model Small-Scale Experimental Coal Gangue Toothed Roller Crusher, You can get more details about Laboratory Roller Crusher DG200 * 150 Model Small-Scale Experimental Coal Gangue Toothed Roller Crusher from mobile site on Alibaba. All categories