MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
high frequency vibration rock
The rock breaking mechanism analysis of axial ultrahigh frequency
2021年10月1日 Axial ultrahigh frequency vibration (UHFV)assisted drilling technology that combines polycrystalline diamond compact bits and rotary ultrasonic machining technology is 2024年7月4日 When subjected to ultrasonic highfrequency vibrations, the rock’s response is a crucial issue in implementing ultrasonic vibration rock crushing technology This study employed numerical simulation and Numerical Simulation of Rock Vibration 2023年11月27日 通过一系列物理实验和二维离散元数值模拟，对UPIRB与传统超声波振动破岩（UVRB）技术的破岩效率进行了比较研究。 结果表明，由于颗粒尺寸小，接触面积 利用超声振动场诱导超高频粒子冲击的新型硬岩破碎技术 2023年11月15日 This paper proposes a new rock formation identification method, which bases on highfrequency measurement sensors to record the vibration of drilling tools, and extracts Lithological identification based on highfrequency vibration
Experimental Study on the Impact of HighFrequency Vibration
2024年9月19日 By subjecting the rock to ultrahigh frequency (>15 kHz) vibration load, rapid fatigue damage can be induced within a short period of time, thereby enhancing the extent of 2024年2月29日 Li conducted numerical simulations to analyze the rock intrusion process during drilling under highfrequency vibration, investigating changes in the rock stress field and displacement field The findings revealed that high Influence of HighFrequency Ultrasonic Vibration 2024年2月29日 Li conducted numerical simulations to analyze the rock intrusion process during drilling under highfrequency vibration, investigating changes in the rock stress field and Influence of HighFrequency Ultrasonic Vibration Load on Several scholars have found that ultrahigh frequency vibration can effectively reduce the compressive strength of rock, and cracks penetrating crystals were observed inside the rock Damage Evolution of Granite under Ultrasonic Vibration with
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Fatigue Damage Mechanism and Deformation Behaviour of
2021年6月8日 Ultrasonic vibrationassisted rock breaking (UVAB) is a new technique introduced to solve this issue This technique applies ultrahighfrequency vibration to conventional rotary 1 Sound Bath Music This music is more geared towards a live experience but it can also be experienced as a prerecorded sound journey A sound bath is a deeply meditative and relaxing experience that offers the listener an High Vibration Music: What It Is (6 Types 6 Uses)2013年8月2日 Highfrequency torsional impact drilling (HFTID) is a new technology which provides stable and efficient drilling The goal of the present study is to investigate the effects of highfrequency torsional impacts on rock drilling The impact parameters of the highfrequency torsional impact generator (HFTIG) are obtained by conducting a series of laboratory tests Effects of HighFrequency Torsional Impacts on Rock Drilling2024年7月4日 When subjected to ultrasonic highfrequency vibrations, the rock’s response is a crucial issue in implementing ultrasonic vibration rock crushing technology This study employed numerical Numerical Simulation of Rock Vibration Response under Ultrasonic High
Rock breaking mechanism in percussive drilling with the effect of high
2019年9月2日 Highfrequency torsional vibration percussive drilling is considered a promising approach to improve drilling performance in deep hard formations, so studying its rock breaking mechanism and 2023年2月27日 The ultrasonic generator converted commercial electricity into a highfrequency alternatecurrent (AC) electrical signal After passing the ultrasonic transducer, the electric energy was converted into mechanical vibration to generate highfrequency axial impact on the lower rock via the connected tool headResearch on influencing factors of rock breaking efficiency 2024年2月29日 The NMR test results revealed that smaller pores formed within the rock under highfrequency vibration loads, with a noticeable expansion observed in micropores Threedimensional reconstruction (PDF) Influence of HighFrequency Ultrasonic Vibration Load 5 天之前 Thoughts also have their own vibration, so negative thoughts can drag you down to a lower vibration, and thinking positively can help you get to a higher frequency It can also have great effects on your health, leading to increased lifespan, lower rates of depression, and greater resistance to illness [19]High Vibration People: 15 Signs You Have High Vibrational
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Research on Energy Response Characteristics of Rock under
2019年8月19日 To achieve the application of harmonic vibroimpacting drilling technology in the field operation, highfrequency and lowamplitude axial impacting tool is developed by Northeast Petroleum University It can convert drilling fluid energy into highfrequency harmonic vibration impacting to drill bit through its unique flow path inside2020年1月14日 vibration parameters on rock fragmentation during resonance drilling was analyzed The results provide theoretical guidance for the further application of resonance drilling 2 Vibration response of rock in highfrequency harmonic vibration A highfrequency rotary resonant device can keep shearing rocks as effectively as longitudinal vibration ofRock fragmentation mechanisms and an experimental 2020年11月16日 Highslope and rock mass joint development are the factors for predicting and controlling blasting vibrations under open pit mining Blasting vibration adversely affects the stability of jointed rock slopes, thus studying the characteristics of blasting vibration frequency bands in jointed rock masses slope is an important task to ensure the safety of blasting The characteristics of blasting vibration frequency bands in 2017年8月25日 vibration parameters on rock fragmentation during resonance drilling was analyzed The results provide theoretical guidance for the further application of resonance drilling 2 Vibration response of rock in highfrequency harmonic vibration A highfrequency rotary resonant device can keep shearing rocks as effectively as longitudinal vibration ofRock fragmentation mechanisms and an experimental
Fatigue Damage Mechanism and Deformation Behaviour of
2021年6月8日 Ultrasonic vibrationassisted rock breaking is a potentially effective technique to accelerate hard rock drilling processes Fatigue damage is a primary factor that governs rock fragmentation subject to ultrasonic vibration, and when such damage accumulates to a critical level via crack initiation and propagation, macrodamage (eg, macrocracks) will occur To 2015年8月20日 A new and efficient rock breaking technique assisted with high frequency harmonic vibration and impaction was developed for drilling in complicated and hard formationsMechanism experimental study of rock breaking 2024年7月16日 With the increasing demand for deep oil and gas exploration and CCUS (Carbon Capture, Utilization, and Storage) engineering, improving rockcrushing efficiency stands as a pivotal technology Ultrasonic vibrationassisted drilling has emerged as a novel rockbreaking technology The highfrequency vibrations of ultrasonic waves impact rocks, inducing Numerical Simulation Study of Factors Influencing Ultrasonic 2023年1月1日 Drilling is an essential process to explore and exploit subsurface hydrocarbon or geothermal reservoirs, or to store/inject waste fluids and gases underground (eg, CO 2 for underground carbon storage) The drillstring system constitutes one of the most important components in the drilling process and is often subjected to vibrations caused by bitrock Comprehensive review of high frequency torsional
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Natural frequency of the rock sample ResearchGate
The NMR test results revealed that smaller pores formed within the rock under highfrequency vibration loads, with a noticeable expansion observed in micropores Threedimensional reconstruction 2019年6月18日 The ultrasonic highfrequency vibration can effectively promote the germination of new microcracks and the propagation and coalescence of the original microcrack in granite sample and finally form macroscopic cracks leading to the failure of the rock, as shown in Figure 12 (the magnification is 30 times)Microcrack Growth Properties of Granite under Ultrasonic High‐Frequency 2024年2月29日 Rock fracture is a macroscopic fracturing process resulting from the initiation and propagation of microscopic cracks Therefore, it is crucial to comprehend the damage and fracture mechanism of rock under ultrasonic vibration by investigating the evolutionary pattern of the mesopore fracture structure in response to highfrequency vibrational loads, as explored Influence of HighFrequency Ultrasonic Vibration Load on DOI: 101016/jenergy2023 Corpus ID: ; Novel hard rock breaking technique using ultrahighfrequency particle impact induced by ultrasonic vibration field @article{Zhou2023NovelHR, title={Novel hard rock breaking technique using ultrahighfrequency particle impact induced by ultrasonic vibration field}, author={Yu Zhou and Wenjun Lv and Novel hard rock breaking technique using ultrahighfrequency
The rock breaking mechanism analysis of axial ultrahigh frequency
DOI: 101016/JPETROL2021 Corpus ID: ; The rock breaking mechanism analysis of axial ultrahigh frequency vibration assisted drilling by single PDC cutter @article{Yan2021TheRB, title={The rock breaking mechanism analysis of axial ultrahigh frequency vibration assisted drilling by single PDC cutter}, author={ZhaoXu Yan and 2022年11月10日 Highefficiency rockbreaking is a problem that has long been studied in the oil and gasdrilling industry The successful use of ultrasonic technology in related fields has prompted us to study how to introduce UltrasonicAssisted RockBreaking Technology 2023年11月17日 Ultrasonic highfrequency vibrational fracture technology can compensate for the deficiencies of traditional fracture methods and has promising applications in underground rock drilling engineeringMesoscopic Damage and Fracture Characteristics of Hard Rock under High 2019年9月2日 ABSTRACT Highfrequency torsional vibration percussive drilling is considered a promising approach to improve drilling performance in deep hard formations, so studying its rock breaking mechanism and effect is the essential and basic issue Compared with percussiverotary drilling and highpressure jet drilling, it can increase the service life of drilling tools and reduce Rock breaking mechanism in percussive drilling with the effect of high
Lithological identification based on highfrequency vibration
2023年11月15日 Firstly, the highfrequency vibration acceleration of rock mass when the bottom drilling tool breaks rock is measured through the field drilling experiment, and then the time and Results and discussion There are differences in vibration intensity and frequency when drilling different lithology This section preprocesses the field data, and 2023年9月29日 Overview of Ultrasonic HighFrequencyVibration RockBreaking Methods It is important to note that rock has an intrinsic frequency between 7 and 20 kHz, which is right in the range of ultrasonic waves, making it possible to crush rock using ultrasonic waves Rock can be vibrated and stimulated to enable fracture simulation and expansion, and Research on the Mechanism and Characteristics of 2024年6月28日 Several studies have shown that it is possible to identify different rocks by performing signal analysis as there is a correlation between rock properties and the vibration signal of the rock drill operation [Citation 8–10] Hence, the timedomain waveforms, frequency spectra, and time–frequency spectra of each rock were analysedDeep learningbased rock type identification using drill vibration When the drill bit suddenly crosses from hard rock to soft rock, the impact and acceleration attenuates slowly, which could cause fatigue damage to the drill bit and induce highfrequency vibration The rapid and significant change in depthofcut is the fundamental reason for the impact generated when the bit crosses through the interlayer Experimental study on rock drilling vibration of PDC bit in
Novel hard rock breaking technique using ultrahighfrequency
2023年11月1日 As a type of ultrahigh frequency loading, ultrasonic vibration is an effective way to break the rock at high rates Exploring the influence of various factors on the loading effect is essential 2022年5月1日 Ultrasonic vibration rock crushing technology is a new type of rock crushing method, and it can be used in hard rock drilling By applying highfrequency cyclic load to the rock, it promotes the expansion and penetration of microcracks inside the rock, causing fatigue damage, reducing the rock strength, and thus improving the rock crushing Simulation and experimental research on ultrasonic vibration high 2024年7月4日 The advancement of ultrasonic, highfrequency vibration rockbreaking technology significantly facilitates efficient rock crushing When subjected to ultrasonic highfrequency vibrations, the rock’s response is a crucial issue in implementing ultrasonic vibration rock crushing technologyNumerical Simulation of Rock Vibration Response under 1 Sound Bath Music This music is more geared towards a live experience but it can also be experienced as a prerecorded sound journey A sound bath is a deeply meditative and relaxing experience that offers the listener an High Vibration Music: What It Is (6 Types 6 Uses)
Effects of HighFrequency Torsional Impacts on Rock Drilling
2013年8月2日 Highfrequency torsional impact drilling (HFTID) is a new technology which provides stable and efficient drilling The goal of the present study is to investigate the effects of highfrequency torsional impacts on rock drilling The impact parameters of the highfrequency torsional impact generator (HFTIG) are obtained by conducting a series of laboratory tests 2024年7月4日 When subjected to ultrasonic highfrequency vibrations, the rock’s response is a crucial issue in implementing ultrasonic vibration rock crushing technology This study employed numerical Numerical Simulation of Rock Vibration Response under Ultrasonic High 2019年9月2日 Highfrequency torsional vibration percussive drilling is considered a promising approach to improve drilling performance in deep hard formations, so studying its rock breaking mechanism and Rock breaking mechanism in percussive drilling with the effect of high 2023年2月27日 The ultrasonic generator converted commercial electricity into a highfrequency alternatecurrent (AC) electrical signal After passing the ultrasonic transducer, the electric energy was converted into mechanical vibration to generate highfrequency axial impact on the lower rock via the connected tool headResearch on influencing factors of rock breaking efficiency
(PDF) Influence of HighFrequency Ultrasonic Vibration Load
2024年2月29日 The NMR test results revealed that smaller pores formed within the rock under highfrequency vibration loads, with a noticeable expansion observed in micropores Threedimensional reconstruction 5 天之前 Thoughts also have their own vibration, so negative thoughts can drag you down to a lower vibration, and thinking positively can help you get to a higher frequency It can also have great effects on your health, leading to increased lifespan, lower rates of depression, and greater resistance to illness [19]High Vibration People: 15 Signs You Have High Vibrational 2019年8月19日 To achieve the application of harmonic vibroimpacting drilling technology in the field operation, highfrequency and lowamplitude axial impacting tool is developed by Northeast Petroleum University It can convert drilling fluid energy into highfrequency harmonic vibration impacting to drill bit through its unique flow path insideResearch on Energy Response Characteristics of Rock under 2020年1月14日 vibration parameters on rock fragmentation during resonance drilling was analyzed The results provide theoretical guidance for the further application of resonance drilling 2 Vibration response of rock in highfrequency harmonic vibration A highfrequency rotary resonant device can keep shearing rocks as effectively as longitudinal vibration ofRock fragmentation mechanisms and an experimental
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The characteristics of blasting vibration frequency bands in
2020年11月16日 Highslope and rock mass joint development are the factors for predicting and controlling blasting vibrations under open pit mining Blasting vibration adversely affects the stability of jointed rock slopes, thus studying the characteristics of blasting vibration frequency bands in jointed rock masses slope is an important task to ensure the safety of blasting