CN213599955U - Surface mine blasting engineering big gun hole sealing gas spacer assembly - Google Patents
Surface mine blasting engineering big gun hole sealing gas spacer assembly Download PDFInfo
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- CN213599955U CN213599955U CN202022013567.6U CN202022013567U CN213599955U CN 213599955 U CN213599955 U CN 213599955U CN 202022013567 U CN202022013567 U CN 202022013567U CN 213599955 U CN213599955 U CN 213599955U
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Abstract
The utility model discloses a surface mine blasting engineering big gun hole sealing gas spacer, including the plugging device, leave the inflation inlet on the plugging device, inflation tube one end is being connected to the inflation inlet, the aerating device interface of giving vent to anger is being connected to the inflation tube other end, and the air supply gets into the packing of accomplishing the plugging device through aerating device's interface of admitting air. The utility model discloses the utilization of plugging device has reduced the explosive use amount in single big gun hole, and the explosive in this big gun hole can reach same blasting effect, is higher than anticipated blasting effect sometimes even, and the shock attenuation is waterproof, reduce the root. Meanwhile, the explosion pressure in the blast hole is reduced, the ore rock is impacted and crushed by adopting a non-coupling charging process, the range of a fracture area is expanded, and the effective utilization rate of explosive blasting energy is improved, so that the explosive consumption is reduced, and the blasting cost is saved. The utility model discloses aerating device's utilization can also freely be controlled the size and the inflation time of atmospheric pressure tolerance.
Description
Technical Field
The utility model relates to a surface mine blasting engineering technical field specifically is a surface mine blasting engineering big gun hole seal gas spacer.
Background
In the blasting on the strip mine, when the diameter of a blast hole exceeds 90mm and the depth of the blast hole exceeds 10m, the explosive quantity which is directly filled into the blast hole is often larger than that required by the actual blasting, so that a large amount of explosive is wasted.
The existing sealed gas spacer device is a sealed stopper, a gas storage tank is arranged in the sealed stopper, an inflation valve is manually opened before a blast hole is filled, and the stopper is pressurized by means of compressed air in the gas storage tank. The device pressurizes for the plugging device simultaneously placing the in-process, just accomplishes when probably not placing the demand position and aerifys, is unfavorable for the control of atmospheric pressure tolerance and inflation time, and the degree of depth of placing is also difficult to master. And the device is expensive, which is not beneficial to saving the blasting cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the inventor carries out further design research, adopts an incompletely sealed plugging device, when the plugging device is placed to a required depth, an air source fills the plugging device through an inflating device, an inflating pipe is pulled out after inflation is finished, and an inflating port of the plugging device can be automatically sealed by means of internal air pressure, so that a blast hole sealing effect is achieved. The sealed gas spacing device reduces the unit consumption of explosive and the explosion pressure in a blast hole, can freely control the placing depth, the size of air pressure and air quantity and the inflation time, has low cost and price, and is favorable for saving the explosion cost.
Specifically, the utility model provides a surface mine blasting engineering big gun hole seal gas spacer, including occluder (1), inflation inlet (2) have been left on occluder (1), inflation tube (3) one end is being connected in inflation inlet (2), inflation device (4) interface (5) of giving vent to anger are being connected to the inflation tube (3) other end, and air supply (21) get into the packing of accomplishing occluder (1) through interface (6) that admits air of inflation device (4).
Furthermore, a scale (17) marked with scales is bound on the inflation tube (3).
Further, the inflating device (4) comprises a cabinet (8), and an inflating button (7), an air inlet interface (6) and an air outlet interface (5) are arranged on the outer surface of the cabinet (8); the cabinet (8) is provided with a pressure regulating valve (9), an electromagnetic valve (10) and a one-way throttle valve (11).
Furthermore, a pressure gauge (12) is installed on the pressure regulating valve (9).
Furthermore, the electromagnetic valve (10) is connected with a power supply (13), a power switch (14), a time relay (15) and an intermediate relay (16).
The utility model discloses a theory of operation:
a vehicle with an air source is found in a blasting site, an incompletely sealed plugging device is adopted, an inflation tube is inserted into the plugging device, a scale marked with scales is bound on the inflation tube, the placing depth of the plugging device is determined, and the plugging device is placed into a blast hole to the required depth. The air inflation button on the cabinet is pressed, the power supply, the power switch, the time relay and the intermediate relay are connected to the electromagnetic valve through the pressure regulating valve, the electromagnetic valve and the one-way throttle valve in the cabinet, the air inflation time, the air flow quantity and the air pressure of the air inflation device are adjusted, the air source fills the plugging device through the air inflation device, the plugging device expands after being inflated, enough supporting force is generated on the inner wall of the blast hole to enable the plugging device to be fixed in the blast hole, the inflation tube is pulled out after the inflation is completed, the inflation opening of the plugging device can be sealed by the internal air pressure, the effect of sealing the blast hole is achieved, explosives on the upper portion of the blast hole are blocked, and effective.
The utility model has the advantages that:
the utility model relates to a sealed gas device that is arranged in big gun hole to be convenient for interval emulsion explosive, its technical characterstic is: the inner wall of the blast hole is clamped by the expanded plugging device, so that the emulsion explosive on the upper part of the blast hole is blocked and a gap is formed between the emulsion explosive and the emulsion explosive at the bottom of the blast hole.
The plugging device is an incompletely sealed plugging device, is connected by a gas pipe before inflation and is placed into a blast hole with a required depth, the position of the plugging device in the vertical direction in the blast hole can be automatically adjusted, the plugging device is positioned firstly and then inflated, and the positioning is accurate and easy to control. After inflation, the stopper expands to generate enough supporting force on the inner wall of the blast hole to fix the air bag in the blast hole, so that the explosive on the upper part of the blast hole is blocked, and the effective section of explosive filling is realized.
The utility model discloses the utilization of plugging device has reduced the explosive use amount in single big gun hole, and the explosive in this big gun hole can reach same blasting effect, is higher than anticipated blasting effect sometimes even, and the shock attenuation is waterproof, reduce the root. Meanwhile, the explosion pressure in the blast hole is reduced, the ore rock is impacted and crushed by adopting a non-coupling charging process, the range of a fracture area is expanded, and the effective utilization rate of explosive blasting energy is improved, so that the explosive consumption is reduced, and the blasting cost is saved.
The utilization of the air charging device can freely control the size of air pressure and air charging time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the pneumatic control schematic diagram of the air charging device of the utility model.
Fig. 3 is an electrical schematic diagram of the inflator of the present invention.
Fig. 4 is a schematic diagram of explosives in the interval blast holes of the plugging device of the utility model.
The automatic control system comprises a plugging device 1, an inflation inlet 2, an inflation tube 3, an inflation device 4, an air outlet 5, an air inlet 6, an inflation button 7, a cabinet 8, a pressure regulating valve 9, an electromagnetic valve 10, a one-way throttle valve 11, a pressure gauge 12, a power supply 13, a power supply switch 14, a time relay 15, an intermediate relay 16, a scale 17, a scale 18, the ground 19, a blast hole 20, explosives 21 and an air source.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings in combination with specific embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the surface mine blasting engineering blasthole sealing gas spacing device comprises a plugging device 1, wherein a charging port 2 is reserved on the plugging device 1, the charging port 2 is connected with one end of a charging tube 3, the other end of the charging tube 3 is connected with a gas outlet interface 5 of a charging device 4, and a gas source 21 enters through a gas inlet interface 6 of the charging device 4 to complete filling of the plugging device 1. And a scale 17 marked with scales is bound on the inflation tube 3. The inflation device 4 comprises a cabinet 8, and an inflation button 7, an air inlet interface 6 and an air outlet interface 5 are arranged on the outer surface of the cabinet 8.
As shown in fig. 2, the cabinet 8 is provided therein with a pressure regulating valve 9, an electromagnetic valve 10, and a one-way throttle valve 11. A pressure gauge 12 is arranged on the pressure regulating valve 9.
As shown in fig. 3, the solenoid valve 10 is connected to a power source 13, a power switch 14, a time relay 15, and an intermediate relay 16.
When filling the blast hole, determining the placing depth of the plugging device 1, inserting one end of the inflation tube 3 into the plugging device 1, connecting the other end of the inflation tube 3 to the air outlet interface 5 of the inflation device 4, binding a scale 17 marked with scales on the inflation tube 3, and putting the plugging device 1 into the blast hole 19 to be placed to the required depth. An appropriate air source 21 is found in the blasting site, a vehicle with the air source 21 can be used, the air source 21 is connected to the air inlet interface 6 on the cabinet 8, the inflation button 7 on the cabinet 8 is pressed, the inflation time, the air flow and the air pressure of the inflation device 4 are adjusted through a pressure regulating valve 9, an electromagnetic valve 10 and a one-way throttle valve 11 in the cabinet 8, a power supply 13, a power switch 14, a time relay 15 and an intermediate relay 16 which are connected with the electromagnetic valve, an air source 21 fills the occluder 1 through the inflation device 4, the occluder 1 expands after inflation, generating enough supporting force on the inner wall of the blast hole 19 to fix the plugging device 1 in the blast hole 19, pulling out the inflation tube 3 after the inflation is finished, as shown in fig. 4, the air charging port 2 of the plugging device 1 can be sealed by the internal air pressure to play the role of sealing the blast hole 19, thereby blocking the explosive 20 above the blast hole 19 and achieving an effective segmentation of the filling of the explosive 20.
The static load strength of the inflatable occluder 1 exceeds 0.06Mpa, the static load strength time exceeds 10min, namely the pressure time exceeds 10 min. The strength can bear the weight of 127Kg, and can completely meet the filling requirement.
The following is a comparison of a conventional charge blast at a rational white Xian blast site and a charge blast of a stopper 1, wherein the bore diameter of the blast hole 19 is 140mm and the depth is 10m, the cost of the explosive 20 accounts for about 75-85% of the total cost, and the unit price of the explosive 20 is 6.8 yuan/kg.
Adopt the utility model discloses after filling blast hole 19, compare with conventional blasting, the annual quantity of explosive 20 has been practiced thrift and has exceeded 300 tons, and explosive 20 per ton is 6800 yuan, and 1 annual quantity of use of plugging device is 75000, and 1 cost price of plugging device is 4 yuan for every, and 1 selling of plugging device is bid for 8 yuan for every, practices thrift the quantity of use according to annual explosive 20 and calculates:
the annual cost savings of explosive 20 are: 300(T) X6800 (m/T) ═ 204 (ten thousand).
The cost price of the plugging device 1 is as follows: 75000 (X (8-4) (yuan/one) ═ 30 (ten thousand yuan).
The total annual saving price is: 204 ten thousand yuan to 30 ten thousand yuan, 174 ten thousand yuan.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The utility model provides a surface mine blasting engineering big gun hole sealing gas spacer, includes plugging device (1), its characterized in that, inflation inlet (2) have been left on plugging device (1), inflation inlet (2) are being connected gas tube (3) one end, gas tube (3) other end is being connected interface (5) of giving vent to anger of aerating device (4), and air supply (21) get into the packing of accomplishing plugging device (1) through interface (6) that admits air of aerating device (4).
2. The surface mine blasting work blasthole sealing gas spacing device as claimed in claim 1, wherein a graduated scale (17) is tied to said gas tube (3).
3. The surface mine blasting engineering blasthole sealing gas spacer according to claim 1, characterized in that the inflator (4) comprises a cabinet (8), and an inflation button (7), an air inlet interface (6) and an air outlet interface (5) are arranged on the outer surface of the cabinet (8); the cabinet (8) is provided with a pressure regulating valve (9), an electromagnetic valve (10) and a one-way throttle valve (11).
4. A surface mine blasting work blasthole sealing gas spacer according to claim 3, characterized in that said pressure regulating valve (9) is equipped with a pressure gauge (12).
5. A surface mine blasting engineering blasthole sealing gas spacing device according to claim 3, characterized in that a power supply (13), a power switch (14), a time relay (15) and an intermediate relay (16) are connected to said solenoid valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013567.6U CN213599955U (en) | 2020-09-15 | 2020-09-15 | Surface mine blasting engineering big gun hole sealing gas spacer assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013567.6U CN213599955U (en) | 2020-09-15 | 2020-09-15 | Surface mine blasting engineering big gun hole sealing gas spacer assembly |
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| CN213599955U true CN213599955U (en) | 2021-07-02 |
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| CN202022013567.6U Active CN213599955U (en) | 2020-09-15 | 2020-09-15 | Surface mine blasting engineering big gun hole sealing gas spacer assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854807A (en) * | 2022-12-23 | 2023-03-28 | 东北大学 | Device for preventing explosive from scattering in upward blast hole and using method thereof |
-
2020
- 2020-09-15 CN CN202022013567.6U patent/CN213599955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854807A (en) * | 2022-12-23 | 2023-03-28 | 东北大学 | Device for preventing explosive from scattering in upward blast hole and using method thereof |
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Address after: 650301 Taiping Xincheng sub district office, Anning City, Kunming City, Yunnan Province Patentee after: YUNNAN ANHUA Co.,Ltd. Address before: 650301 Changpo, west suburb, Xishan District, Kunming City, Yunnan Province Patentee before: YUNNAN ANHUA Co.,Ltd. |
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