• Gas Cracking Filling Machine Non-detonating Blasting Rock Drill Blasting Contractors
  • Gas Cracking Filling Machine Non-detonating Blasting Rock Drill Blasting Contractors
  • Gas Cracking Filling Machine Non-detonating Blasting Rock Drill Blasting Contractors
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Gas Cracking Filling Machine Non-detonating Blasting Rock Drill Blasting Contractors
  • Gaea
  • China
  • 5-25天

Safely and high-efficiently breaking rock is of practical significance.

Gas Cracking Filling Machine Non-detonating Blasting Rock Drill Blasting Contractors

Related reports:

Development of CO2 blasting technology;

Exploration and analysis of construction technology of carbon dioxide rock demolition system;

What is carbon dioxide(CO2) rock cracking(rock demolition system);

Efficient and safe rock demolition is of paramount importance in many engineering projects, but traditional methods such as explosive blasting can have undesirable side effects. Non-explosive alternatives such as demolition agents and rock breaking machines are often time-consuming and may not be suitable for all situations. To address these challenges, a novel liquid carbon dioxide rock breaking technology has been developed and a specialized device designed for its use. This cutting-edge technique has been rigorously tested for effectiveness, safety, and efficiency through shock pressure testing, vibration site testing, and field rock breaking experiments. The results demonstrate that the carbon dioxide rock breaking system is a promising alternative to traditional methods for achieving precise and controlled rock demolition.

The experimental results show that the duration of the monitoring shock pressure is around 1500 μs. The shock pressure signal of liquid carbon dioxide tube breaking in free condition contains four stages, namely, increasing exponentially, decreasing oscillatory, stabilization, and negative pressure stage. As pressure sensor is set at 850 mm from the test tube radially, the shock pressure monitored increases to the maximum value of 115.7 kPa within 6 μs. During the liquid carbon dioxide rock breaking, the vertical component of the peak particle velocity of vibration is 173 mm/s, 85 mm/s and 35 mm/s along distance at 1.5 m, 2.5 m and 3.5 m from the tube, respectively. The Fourier power spectra results show that about 85% energy distributes at 6–60 Hz.

The use of liquid carbon dioxide for rock demolition offers significant advantages over traditional methods. Unlike explosive blasting, which can generate significant vibration and shock waves that may not meet mainstream safety criteria, the vibration caused by the CO2 gas expansion fracturing is minimal. This makes it a safer option for rock demolition in mining, quarrying, and building demolition applications.

Another advantage of the CO2 gas expansion fracturing technology is that it is non-explosive, meaning it does not generate shock waves, vibration waves, or blasting waves. Instead, the gas expansion is generated by a physical volume change, resulting in a controlled and precise fracturing of the rock without the need for explosives.

In addition to its safety and precision, the CO2 gas expansion fracturing technology is also highly efficient. It has been successfully used in rock excavation at a metro station construction site, demonstrating its effectiveness in real-world applications. Compared to traditional non-explosive techniques, this innovative technology offers a faster and more efficient method for rock breaking.

Overall, the liquid carbon dioxide rock-breaking technology represents a significant advancement in the field of rock demolition and provides a safer, more precise, and efficient alternative to traditional methods. Its application has the potential to revolutionize mining, quarrying, and building demolition industries, and its benefits will continue to be explored as the technology advances.

No impact wave

No vibration Wave

No blasting wave

Data of gas expansion


Scope of application:

Any industry that uses traditional explosives can be applied, and special areas or places in non-civil explosion areas can better reflect its superior characteristics.

    1. Mining industry: mining of open pit mines and mining, mining, roofing and coal bunkers can be applied. Such as the elimination of the working surface, eliminating the impact of ground pressure, Shimen Jie coal, roadway bottom drum treatment, treatment of coal seam faults, dredging coal bunkers.

     2. Emergency rescue and rescue: road clearing, treatment of dammed lakes, removal of landslides, flood discharge, and reinforcement of dams. It is also an indispensable tool for mine rescue teams.

     3. Subways and tunnels and municipal works: blasting and excavation of tough rocks, directional blasting of urban concrete buildings, excavation of road trenches, etc.

     4, cement, steel, electricity and other industries: preheaters, rotary kiln, furnace kiln steel slag and other equipment and facilities clearing. Agglomeration treatment of garbage burning furnace in urban thermal power plants. The tower chassis reinforcement of mountain high-voltage lines.

     5. Geological exploration: field drilling sampling, various stone and mineral mining and cutting.

     6, high cold area: icebreaking, snow peak blasting, loose operation of various powdery blocks.

     7. Underwater engineering: submarine cable and pipeline trench excavation, submarine drilling and blasting, etc.

Gas filling machine

Gas filling machine is consist of variable-frequency motor control and hydraulic control,which can fill 500L liquid CO2 in an hour,be able to fill 5pcs 5KG cylinders in2 minutes,and filling pressure can reach to 50Mpa.


1.How is the carbon dioxide gas supplied to the CO2 rock demolition system?

Answer: The CO2 gas can be supplied to the system through cylinders or tanks specifically designed for the safe storage and delivery of carbon dioxide.

2.What are the typical sizes and specifications of a CO2 rock demolition system?

Answer: CO2 rock demolition systems come in various sizes and specifications to accommodate different project requirements, including the number of holes, pressure levels, and flow rates.

3.Are there specific temperature or pressure requirements for the CO2 rock demolition system to function effectively?

Answer: The CO2 rock demolition system typically operates within specific temperature and pressure ranges to ensure optimal performance, which can vary depending on the equipment model.

Gas filling video:

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