(CO 2 blasting equipment)@Technology maturity and long-term use
(CO2 blasting equipment), suitable for the cutting of rock or concrete brittle materials; mainly used for carbon dioxide blasting (expansion) cutting in the stone production process; is a method of using physical static blasting instead of chemical static blasting, specifically Said: is the use of carbon dioxide fracturing expansion hose to replace the expansion agent; characterized by: According to the cutting line at a certain distance evenly drilled a row of holes, take in each hole placed carbon dioxide crack expansion, through carbon dioxide fracture When the device is pressurized, the CO2 fracturing and expansion rubber hose forms expansion pressure in each hole, so that the rock under the effect of carbon dioxide fracture expansion and expansion pressure, when the expansion pressure formed by the carbon dioxide fracturing and expansion hose exceeds the tensile strength of the rock, The rock is fractured according to the set cutting line, thus obtaining the stone blank suitable for production and processing; the technology is mature, the equipment is safe and reliable; the production is easy to operate, easy to control, high efficiency, energy saving, environmental protection and no pollution; the production cycle is 1-3 hours Around, short production cycle, high efficiency, low production cost; significant Will and economic benefits.
1. (carbon dioxide blasting equipment) characterized by a carbon dioxide cracking device, a detachable static blasting carbon dioxide cracking tube of not less than five interfaces, and a static blasting carbon dioxide cracking expansion pipe, the carbon dioxide cracking device thereof No less than 5 ports of detachable static blasting carbon dioxide cleave tube connection, static blasting carbon dioxide cleave tube connected to not less than 1 detachable static blast carbon dioxide cleavage expansion hose to form the whole carbon dioxide blasting equipment.
2. (CO2 blasting plant) according to claim 1, characterized in that the number of said statically exploded carbon dioxide-cleave tube ports is in the range of 10-502.
3. The carbon dioxide blasting apparatus according to claim 1, wherein the number of the static blasting carbon dioxide cleave tube interfaces is in the range of 12-102.
4. The carbon dioxide blasting device according to claim 1, wherein the carbon dioxide blasting expansion pipe is composed of an expansion hose body and a joint, and the expansion hose body has a cavity formed by sealing at one end and is empty. The cavity has an outlet and its cavity outlet is provided with a structure in the form of a pipe joint or a pipe joint.
The (carbon dioxide blasting equipment) according to claim 1, wherein the carbon dioxide blasting expansion pipe is an expansion hose body of the expansion pipe is made of a durable pressure resistant elastic material.
6. The carbon dioxide blasting device according to claim 1, wherein the carbon dioxide blasting expansion pipe is provided with high-strength fibers longitudinally in the expansion hose body of the expansion pipe.
The static crushing method (static blasting technology) is a new method of crushing (or cutting) rock and concrete that has been developed in the recent period. It is also called static force cracking and static crushing technology. Specifically, it is a static explosion chemical method. The basic principle and basis are as follows: Generally, rocks or concrete are brittle materials. Brittle materials have high compressive strength and small tensile strength, and their tensile strength is far less than compressive strength. The tensile strength of rock is 4-10 Mpa, and the tensile strength of concrete is about 1.5-3.0 Mpa, which is equivalent to about 1/10-1/20 of its compressive strength. In general, the static pressure of the breaker can reach 30-50 MPa. Therefore, a reasonable crushing design (determining the charge amount, pore size, hole depth, and hole spacing) is sufficient to completely destroy the medium around the hole. As long as the constraint continues to exist, the breaker has the property of continuously generating or remaining a certain degree of expansion pressure, and thus can continue to increase or generate new cracks.
In the current stone mining, static blasting chemistry is mainly used. It is based on the cutting line evenly spaced a row of holes drilled, and then a kind of inorganic salt containing molybdenum, magnesium, calcium, titanium and other elements of the static powder breaker, with a suitable amount of water into a mobile slurry, direct Into the borehole, the hydration reaction occurring in the borehole by the expansion agent causes the crystal to deform, and the volume increases with time, resulting in expansion pressure (radial compressive stress and circumferential tensile stress), slowly, Quietly applied to the wall of the hole, reaching a large value after a period of time, under the effect of the huge expansion pressure of the chemical reaction, the rock is fractured according to the set cutting line, thereby obtaining a method suitable for production and processing of the stone blank. (The so-called stone billet is a stone material with a certain size extracted from a mine, which is a raw material for processing stone slabs, profiles, sculptures, and sculptures)
The existence of this, after filling in the cracking agent, the rock generally takes 1-3 days to crack, the efficiency is low; when the temperature is low, the effect is not good, and when the temperature is close to 0°C, the expansion agent stops the chemical reaction and cannot be used; For disposable consumables, the amount of expansion agent is large, resources are wasted, production cost is high, and the generated waste residue pollutes the environment.
Using keywords for Chinese patents and authoritative websites for search and market research, one patent related to the static blasting chemical method was found. It was filed by Lin Zongshou of Wuhan University of Technology. No carbon dioxide blasting method related reports were found (carbon dioxide blasting equipment). product.
The purpose of the utility model is to provide a carbon dioxide blasting equipment for the deficiency of the prior art static blasting chemical method applied in stone mining production.
Another object of the present invention is to propose a use of a carbon dioxide blasting device.
The carbon dioxide blasting equipment of the utility model is a special equipment for the method of blasting with carbon dioxide, which is suitable for the cutting of rock or concrete brittle materials; it is mainly used for the carbon dioxide blasting (expansion) cutting in the stone mining production process; it is used for physical static blasting. Instead of a method of chemical static blasting, specifically, it is a method of using a carbon dioxide fracturing and expanding hose instead of an expanding agent. The method of carbon dioxide blasting is to drill a row of holes uniformly according to the cutting line at a certain distance, adopt a carbon dioxide fracturing and expansion hose in each hole, and pressurize through a carbon dioxide cracking device, and the carbon dioxide cracking and expansion hose is in each hole. The expansion pressure is formed in the rock to make the rock under the expansion pressure of the carbon dioxide fracturing and expansion hose. When the expansion pressure formed by the carbon dioxide fracturing and expansion hose exceeds the tensile strength of the rock, the rock is fractured according to the set cutting line, so as to obtain a suitable Production and processing of stone blanks.
The carbon dioxide blasting equipment of the utility model is characterized in that the carbon dioxide bursting device is composed of a carbon dioxide cracking device, a detachable static explosion carbon dioxide cracking tube with no less than 5 interfaces, and a static blasting carbon dioxide fracturing and expansion rubber hose, wherein the carbon dioxide cracking device is No less than 5 ports of detachable static blasting carbon dioxide cleave tube connections, static blasting carbon dioxide cleave tubes connected to not less than 1 detachable static blast carbon dioxide cleavable expansion hose to form the carbon dioxide blasting equipment using the whole machine. In use, the CO2 fracturing device is connected to a detachable, statically detonated CO2 fracturing tube with no less than one interface, and the CO2 fracturing and expanding rubber tube is attached to a statically detonated CO2 fracturing tube, and then the CO2 is cracked. The expansion hose is inserted into the drilling hole of the stone, and is pressurized by the carbon dioxide cracking device to make the carbon dioxide cracking expansion hose form expansion pressure in each hole, so that the rock is formed under the expansion pressure of the carbon dioxide cracking expansion hose, when the carbon dioxide is cracked. When the expansion pressure formed by the expansion hose exceeds the tensile strength of the rock, the rock is fractured by the set cutting line, and a stone blank suitable for production and processing is obtained. Shi Jie 13273308303 (Wechat synchronization)
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