Opening Hour
Mon - Fri, 8:00 - 9:00
Call Us
Email Us
MENU
Home
About Us
Products
Contact Us
energy storage blasting technology application test project
(PDF) Coupling Model of Stress–Damage–Seepage and Its Application to Static Blasting Technology
the fi eld application of the static blasting technology, the larger the diameter of the borehole, the more prone it is to " spray holes, " so the borehole diameter of 65 mm was selected.
Applied Sciences | Free Full-Text | Application of High
In order to study the applicability of high-pressure gas expansion rock-cracking technology in hard rock tunnel near historic sites, theoretical analysis, field tests as well as vibration monitoring are
Full article: A new excavation technology of blasting combined with
3. Blasting test No.2 rock emulsion explosive is selected here, which is widely used in civil engineering. And it has strong adaptability and water resistance. The main performances are as follows, the diameter of explosive is 32 mm, the density is 0.95 ∼ 1.30g/cm 3, the detonation velocity is above 3500 m/s, the intensity is upon 12 mm, the
Experimental research and application of drilling and blasting with
In this research, a directional reduction charging structure was proposed to solve the problems caused by drilling and blasting method such as serious damage to
Directional rock blasting using shaped charges using combined charge liners with different shapes
1 INTRODUCTION The drilling-blasting method 1, 2 can cause damage to the surrounding rock, affecting the stability of the overall rock mass. 3, 4 Smooth-surface charge blasting and directional blasting technology can reduce the damage to the surrounding rock, however, these techniques still have many issues, such as
A Novel Carbon Dioxide Phase Transition Rock Breaking Technology: Theory and Application of Non-Explosive Blasting
3.5 4.7 A Novel Carbon Dioxide Phase Transition Rock Breaking Technology: Theory and Application of Non-Explosive Blasting Zhongshun Chen, Yong Yuan, Chenlong Yan, Wenmiao Wang and Zhenghan Qin Special Issue Fracking and Permeability Enhancement in Fractured Rock
Abrasive Technologies with Dry Ice as a Blasting
There are several examples in the literature of such systems. In [ 9 ], the presented dry-ice-blasting set was supplied by 1–5 bar of air and used 30–150 kg/h of dry ice. The tested cleaning distance was 100–600 mm. The system with a similar air pressure and dry-ice feed was described in [ 9] (5 bar, 30–150 kg/h).
(PDF) Mechanism and Application of Blasting Technology Using
In the late 1980s, the Australian ICI Company developed high-precision detonators that could freely adjust the delay time, and found that a testing interval of 25 ms produced the best damping
Coupling model of stress-damage and its application to static blasting technology
Coupling model of stress-damage and its application to static blasting technology Jun Liu1,2, Min su1, Lu-wei Zhang3 and Zhi-kuan Liu1 Abstract To improve the gas drainage effect of low-permeability coal seams, the influence of the hole arrangement on the static
Oregon utility picks ESS Inc''s flow battery energy storage for multiple application testing
As it has done with solar PV and lithium-ion battery storage, California is becoming an early leader in adoption of long-duration energy storage technologies. Amid various other developments, the most recent is that the state''s budget for
Minerals | Free Full-Text | Research on the Fracture Properties and Mechanism of Carbon Dioxide Blasting
Liquid carbon dioxide blasting technology has a wide range of applications and is characterized by sound fracturing effects, low vibration hazards, and high safety. In order to investigate the characteristics and mechanism of CO2 phase change rock breaking, liquid CO2 blasting tests on rock-like specimens were carried out in this
Dynamic Effect of Shaped Charge Blasting and Its Application in
The dynamic effect of shaped charge blasting and its application in coal seam permeability enhancement have been investigated. Comparative experiments of shaped charge blasting and conventional blasting to fracture the concrete are carried out. Then, the propagation characteristics of explosion stress waves under shaped charge blasting and
(PDF) Disturbance and Control of National Strategic Gas Storage Induced by Adjacent Tunnel Blasting
Underground gas storage are often subject to external dynamic loads, blast vibrations, and. seismic disturbances, since they function as backup areas for the strategic national energy. reserve
Energies | Free Full-Text | Experimental Study on Blasting Energy Distribution and Utilization Efficiency Using Water Jet Test
The blasting stress wave and blasting gas generated by explosive blasting are the two main motive powers of rock fragmentation. An experimental method based on water jet test is used to study the energy distribution ratio of blasting stress wave and blasting gas; the utilization efficiency of blasting energy under different borehole
Energy storage
Global capability was around 8 500 GWh in 2020, accounting for over 90% of total global electricity storage. The world''s largest capacity is found in the United States. The majority of plants in operation today are used to provide daily balancing. Grid-scale batteries are catching up, however. Although currently far smaller than pumped
Study on hydraulic-controlled blasting technology for pressure relief and permeability improvement
Hydraulic-controlled blasting is a gun-hole blasting technology where the explosives are installed in the limited water environments of blasting holes to break the surrounding coal mass. The method uses water as a coupling medium between the cartridge and the charge hole to transfer the blasting pressure and energy at the moment of the
Coupling Model of Stress–Damage–Seepage and Its Application to Static Blasting Technology
Most coal mine field application processes are carried out using empirical formulas because of the insufficient understanding of the fracture development law of the static blasting technology. This lack of understanding results in poor coal seam gas extraction. In this study, a stress–damage coupling model was established to investigate
Research on the Explosion Effects and Fracturing Mechanism of Liquid Carbon Dioxide Blasting
Recently, liquid carbon dioxide (L-CO2) blasting technology has again attracted increasing attention due to its good fracturing effect and safety performance, especially in the research field of coal seam permeability improvement. However, the fracturing mechanism has not been explained. In this paper, the blasting effect of L-CO2
(PDF) A Novel Carbon Dioxide Phase Transition Rock Breaking Technology: Theory and Application of Non-Explosive Blasting
As a non-explosive low-disturbance rock breaking technology, carbon dioxide phase transition blasting (CDPTB) is widely used in rock breaking projects such as pressure relief and permeability
Coupling model of stress-damage and its application to static blasting technology
Xie et al. (2016) used laboratory and field tests to demonstrate the mechanism and feasibility of static blasting technology and investigated the blasting effects of different methods of hole placement on site. Ma et al. (2014) analyzed the effect of air temperature and water temperature on the expansion performance of static crushing
Applied Sciences | Free Full-Text | Experimental and Numerical Study on the Effect of Three-Hole Simultaneous Blasting Technology
Blasting technology is widely applied in various engineering applications due to its cost-effectiveness and high efficiency, such as in mining, transport infrastructure construction, and building demolition. However, the occurrence of cracking in the rear row has always been a major problem that disrupts mining bench blasting. To address this
Experimental research and application of drilling and blasting
Analysis of test results Analysis of explosion products diffusion properties Specimens 1, 2 and 3 were subjected to directional damage-reduction shaped charge blasting tests with dissipation
Research and Application of High-Energy Gas Fracturing Mechanism Based on CT Scanning Technology
2.2 Rock-Breaking Experiment ProcessThe rock-breaking test method based on high-energy gas is shown in Fig. 2, which is mainly divided into the following four steps: (1) Made ignition charge head. As shown in Fig. 2a, used a film to wrap the ignition powder and ignition head, and then put the prepared powder head into a plastic tube
Application of Energy‐Concentrated Hydraulic Blasting
The energy-concentrated hydraulic blasting technology (ECHBT) combines the advantages of energy-concentrated blasting technology (ECBT) and hydraulic
Certificate : Surface Blasting Technology – Academy of Explosives Technology
This course is suitable for personnel involved in managing, planning or executing surface blasting operations. Course Objective. To provide an in-depth understanding of blasting explosives and their application. To be able to design a blast from basic principles & to have a working understanding of environmental measurements on the blast site.
Coupling Model of Stress Damage Seepage and Its Application to Static Blasting Technology
blasting technology. Xu14 and Wu15 studied the process parameters required for the static blasting technology for through-layer drilling using numerical simulation, laboratory tests, and field verification. Hao16 proposed a new construction scheme to alleviate the
Stability of a lined rock cavern for compressed air energy storage containing a weak interlayer during blasting
To evaluate the stability of a lined rock cavern (LRC) for compressed air energy storage (CAES) containing a weak interlayer during blasting in the adjacent cavern, a newly excavated tunnel-type LRC was taken as the research object. By combining similar model tests and numerical simulation, the dynamic responses and deformation
(PDF) Hard Rock Deep Hole Cutting Blasting Technology in Vertical Shaft Freezing Bedrock Section Construction
Using the traditional cutting blasting technology in vertical shaft construction has some features, e.g. slows driving speed, gangue with large volume and throwing high.
Rock Fragmentation Size Distribution Prediction and Blasting Parameter
Rock fragmentation size distribution is often used as an important index to account for the blasting effect because it directly affects the subsequent loading, transportation, and secondary crushing. Due to the mismatching of explosive and rock wave impedance, high boulder yield often occurs which affects the blasting effect. In this
A Study on the Roof-Cutting and Pressure Releasing Technology of Roof Blasting
The surrounding rock during a coal mine excavation is prone to significant engineering disasters such as considerable deformation and rock bursts. Pressure release can improve the stress field of a deep rock mass and prevent the occurrence of dangers such as roadway collapse and coal and gas outbursts. This paper uses the ANSYS
Applied Sciences | Free Full-Text | A New Technology for Smooth Blasting without Detonating Cord
In this paper, the aim is to achieve safe, rapid excavation of an extra-long, large-cross-section highway tunnel in Eastern Tianshan, as well as to reduce production costs, simplify production processes, reduce cycle time, and improve production efficiency. In this study, we explored a new technology for smooth blasting without a detonating cord. A series of
Sustainability | Free Full-Text | Mechanism and Application of Roof Cutting by Directional Energy-Cumulative Blasting
In this paper, roof-cutting technology of directional energy-cumulative presplitting blasting is taken as the research object. Through the numerical simulation software Ansys/Ls-dyna3D, the process of energy-cumulative blasting and non-cumulative blasting is simulated and analyzed by using the ALE algorithm. Moreover, the evolution
