Rock blasting system principle
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liquid O2 rock blasting system is a technology that uses the easy evaporation and strong oxidizing properties of liquid O2 for rock blasting.
Its basic principles and characteristics are as follows: Material composition: liquid O2 rock blasting materials are mainly composed of liquid O2 and solid combustible absorbents. These absorbents are usually porous substances, such as coke, wood, straw, cotton, etc., which can absorb liquid O2.
Explosion principle: The explosion principle is based on the evaporation and oxidation reaction of liquid O2. When liquid O2 evaporates rapidly, it reacts violently with the absorbent to produce a large amount of gas and heat. These gases expand rapidly at high temperatures to form a high-pressure shock wave, which triggers an explosion. Safety: Although liquid O2 rock blasting technology has high safety, it is still necessary to strictly abide by the operating procedures during operation to ensure safety. Compared with carbon dioxide blasting, although carbon dioxide blasting is safer, liquid O2 rock blasting has better blasting effect under the same conditions, and the energy and explosive force generated by liquid O2 blasting are higher than those of carbon dioxide rock blasting.
Application: liquid O2 rock blasting technology is mainly used for open-air operations, road and bridge construction, blasting buildings, etc., but cannot be used for blasting operations such as tunnels and mines, because when liquid O2 explosives are blasted, oxygen overflows, which will cause pit gas and coal dust explosions in the mine, thus causing accidents.
liquid O2 preparation process: liquid O2 production generally adopts the method of separating liquid air. The principle of air separation is low-temperature distillation. First, the air is pressurized and cooled to become liquid, and the air is condensed into liquid. The air is separated according to the different evaporation temperatures of each group.
liquid O2 rock blasting device assembly process: The liquid O2 rock blasting device assembly process includes preparing to store liquid O2 barrels, sealing the inside of the barrels with plastic film, loading soaked paper into the barrels for soaking liquid O2, inserting oxygen supply pipes with oxygen leakage holes in the middle of the barrels and resistance wire ignition heads, and inserting exhaust pipes to discharge the oxygen generated by evaporation after assembly. liquid O2 blasting technology has the characteristics of great power, good blasting effect, high safety and easy operation, and has a wide range of applications in many fields.
