CN217764703U

CN217764703U - Rock blasting device

Info

Publication number: CN217764703U
Application number: CN202221874981.9U
Authority: CN
Inventors: 陶登亮; 张明雷; 张顺柱
Original assignee: Yantai Lvyiyuan Environmental Protection Technology Co ltd
Current assignee: Yantai Lvyiyuan Environmental Protection Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-08
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a rock blasting device, including the sealed bag, still include liquid charging pipe, blast pipe, imbibition core and some firearm, the one end of liquid charging pipe and blast pipe is all inserted and is established in the sealed bag, the other end of liquid charging pipe and blast pipe all stretches out the sealed bag, the imbibition core sets up in the sealed bag, some firearm is including the contact that discharges, the contact that discharges is inserted inside the imbibition core. The length of the sealing bag of the rock blasting device is convenient to adjust, the length of the rock blasting device can be adjusted on site according to the depth of the blasting hole, the rock blasting device is suitable for blasting holes with different depths to use, if the length of the rock blasting device is longer, the rock blasting device can be stored in a coiling mode, and the space for storing and transporting is saved; and the liquid absorption core is made of flammable materials, and after the liquid absorption core is ignited through the discharge contact, heat is generated through the spontaneous combustion of the liquid absorption core, and no additional heating equipment is needed.

Description

Rock blasting device

Technical Field

The utility model relates to a rock blasting device belongs to blasting device technical field.

Background

Blasting is a technology that explosives are exploded in air, water, earth and stone media or objects to compress, loosen, destroy and throw surrounding media, and is mainly used for ground surface finishing and the like during rock mining or large-scale engineering construction. The explosive is extremely dangerous to explode, and the explosive is easy to explode in the transportation and storage processes, so that serious safety accidents are easily caused. Compared with the explosive blasting technology, the non-explosive blasting technology has the advantages of safety and environmental protection, in particular to the non-explosive blasting technology utilizing liquid carbon dioxide cold blasting, which is widely applied to places needing rock blasting, such as mines, municipal engineering, tunnels and the like at present, the carbon dioxide cold blasting technology is a technology for blasting and blasting operation by adopting liquid carbon dioxide as a blasting material, specifically, liquid carbon dioxide is compressed into a special carbon dioxide blasting bursting tube, then the bursting tube is arranged in a blasting hole, and a special intelligent carbon dioxide detonating system is adopted to heat the liquid carbon dioxide to force the liquid carbon dioxide to be rapidly gasified and rapidly expand in volume, so that the wall of the blasting hole is compressed, the rock body is forced to be broken, and the effect similar to blasting is achieved.

However, the existing liquid carbon dioxide cold explosion technology also has a plurality of defects: (1) The blasting device needs to adopt a metal tube as a blasting tube, the blasting tube has a fixed length, cannot be flexibly suitable for blasting holes with different depths, has poor practicability, and is inconvenient to store and transport if the length of the blasting tube is longer, and the storage and transportation cost is high; the blasting tube is scrapped once used, so that the use cost is high; (3) Because the carbon dioxide is non-combustible gas, a large amount of external heat is required for heating the gasified liquid carbon dioxide, and the structure of the blasting device is complex; (4) The liquid carbon dioxide needs to be transported to the site for use after being pre-filled outside the site, and the transportation process involves the transportation of a pressure container, so that the risk is high.

Therefore, we propose a rock blasting apparatus to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.

The utility model provides a technical scheme as follows: the utility model provides a rock blasting device, includes the seal bag, still includes liquid filling pipe, blast pipe, wick and firearm, the one end of liquid filling pipe and blast pipe is all inserted and is established in the seal bag, the other end of liquid filling pipe and blast pipe all stretches out the seal bag, the wick is for setting up combustible material in the seal bag, the firearm is including the contact that discharges, discharge the contact with the wick contact.

Furthermore, the sealing bag is of a cylindrical structure with two sealed ends.

Further, the liquid absorption core is of a cylindrical structure.

Furthermore, the igniter comprises a cable and a plurality of discharge contacts electrically connected with the cable, and the discharge contacts are arranged on the cable at intervals.

Further, the wick is made of a material having both a flammable and liquid-absorbing function.

Further, the diameter of the sealing bag is 5-15 cm.

Furthermore, the material of the sealing bag is plastic.

Further, the sealing bag is filled with liquid combustion-supporting substances.

Further, the liquid combustion-supporting substance is liquid oxygen, liquid hydrogen, a mixed liquid of liquid oxygen and liquid carbon dioxide, or a mixed liquid of liquid oxygen and liquid nitrogen.

The technical scheme provided by the utility model, compared with prior art, following beneficial effect has: the length of the sealing bag of the rock blasting device is convenient to adjust, the length of the rock blasting device can be adjusted on site according to the depth of the blasting hole, the rock blasting device is suitable for blasting holes with different depths to use, if the length of the rock blasting device is longer, the rock blasting device can be stored in a coiling mode, and the space for storing and transporting is saved; the liquid absorption core is made of flammable materials, after the liquid absorption core is ignited through the discharge contact, the liquid oxygen is rapidly gasified through heat generated by violent spontaneous combustion of the liquid absorption core in the liquid oxygen, and the discharge contact only needs to provide energy for igniting the liquid absorption core, so that additional heating equipment is not needed; the utility model has the advantages of simple structure, abundant material sources, local material availability and low manufacturing and use costs.

Drawings

Fig. 1 is a schematic structural diagram of a rock blasting device according to the present invention;

fig. 2 is a front view of the rock blasting apparatus of the present invention;

fig. 3 is a left side view of the rock blasting device of the present invention;

fig. 4 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

fig. 5 is a schematic view of the internal structure of the rock blasting device of the present invention;

fig. 6 is a schematic structural view illustrating that the rock breaking device of the present invention is coiled;

in the figure, 1, sealing the bag; 2. a liquid filling pipe; 3. an exhaust pipe; 4. a wick; 5. an igniter; 6. a cable wire; 7. and discharging the contacts.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following examples, which are intended to illustrate the present invention and not to limit the scope of the present invention.

As shown in fig. 1 to 6, the rock blasting device comprises a sealed bag 1, and further comprises a liquid charging pipe 2, an exhaust pipe 3, a liquid absorption core 4 and an igniter 5, wherein one end of the liquid charging pipe 2 and one end of the exhaust pipe 3 are inserted into the sealed bag 1 along the length direction of the sealed bag 1, the other end of the liquid charging pipe 2 and the other end of the exhaust pipe 3 extend out of the sealed bag 1, the liquid absorption core 4 is arranged in the sealed bag 1, the igniter 5 comprises a discharge contact 7, and the discharge contact 7 is inserted into the liquid absorption core 4.

More specifically, sealing bag 1 is the sealed cylinder tube type structure in both ends, imbibition core 4 also is the cylinder type structure, the diameter of imbibition core 4 is less than sealing bag 1's diameter, the length of cylinder type imbibition core 4 with the length looks adaptation of cylinder type sealing bag 1, imbibition core 4 is followed sealing bag 1's length direction inserts and establishes in sealing bag 1, in this embodiment, imbibition core 4 is inflammable imbibition scroll, and of course, also can adopt other materials that have inflammable and imbibition function to make, for example, inflammable imbibition sponge. The material of the sealing bag 1 is plastic, and the diameter of the sealing bag 1 is 5-15 cm, preferably 10cm.

The igniter 5 comprises a cable 6 and a plurality of discharging contacts 7 electrically connected with the cable 6, the discharging contacts 7 are arranged on the cable 6 at intervals, the cable 6 is also arranged along the extending direction of the liquid absorption core 4, and the discharging contacts 7 are inserted into the liquid absorption core 4 in sequence. The discharge contacts 7 of the igniter 5 ignite the wick 4 simultaneously at different locations of the wick 4. When the rock blasting device is manufactured, the cable 6, the liquid charging pipe 2, the exhaust pipe 3, the liquid absorbing core 4 and the sealing bag 1 can be bound and fixed by using an adhesive tape or a tie.

Utilize the utility model discloses a principle of blasting as follows: the utility model discloses an explosion utilizes liquid oxygen gasification's principle, earlier arrange this blasting unit in the blast hole that sets up in advance on the rock mass in, utilize pumping mechanism to pass through liquid oxygen afterwards in liquid charging pipe 2 fills into seal bag 1, imbibition core 4 in the seal bag 1 can even absorption a large amount of liquid oxygen, original air is discharged from blast pipe 3 in the seal bag 1, after filling into sufficient liquid oxygen in the seal bag 1, seal the blast hole, switch-on point firearm 5, because imbibition core 4 adopts combustible material to make, oxygen is combustion-supporting gas, after imbibition core 4's different positions are lighted simultaneously to discharge contact 7 when some firearm 5, imbibition core 4 can burn rapidly and release a large amount of heats, liquid oxygen gasifies the inflation in the twinkling of an eye, produce the high pressure with the help of liquid oxygen gasification and realize the blasting action.

It should be noted that, because oxygen is used as combustion-supporting gas, liquid oxygen is charged into the sealing bag 1 in the utility model, the wick 4 can be rapidly combusted and release a large amount of heat by using the combustion-supporting principle of oxygen; liquid hydrogen, which is hydrogen gas that is also a very flammable gas, may also be used, but a liquid mixture, such as a mixture of liquid oxygen and liquid carbon dioxide, or a mixture of liquid oxygen and liquid nitrogen, may also be used, and it should be noted that the proportion of liquid oxygen in the mixture is greater than 70%.

Use the utility model discloses a method that the rock blasting device blasted is as follows:

(1) Firstly, drilling a blast hole on blasting rock;

(2) Then the blasting device of the utility model is arranged in the blasting hole, and one end of the cable 6 of the liquid charging pipe 2, the exhaust pipe 3 and the igniter 5 is reserved outside the blasting hole;

(3) Liquid oxygen is pumped into the liquid charging pipe 2 through a pumping device, and along with the pumping of the liquid oxygen, air in the sealing bag 1 is discharged from the exhaust pipe 3;

(4) After the liquid oxygen is fully absorbed in the liquid absorption core 4, the igniter 5 is connected, and when the liquid oxygen is detonated, the liquid oxygen is instantly gasified and expanded, so that strong impact force is generated, and explosion is formed.

The sealing bag 1 of the rock blasting device of the utility model has convenient length adjustment, can adjust the length of the rock blasting device according to the depth of the blast hole on site, is suitable for blast holes with different depths to use, and can be stored in a coiling way if the length of the rock blasting device is longer as shown in figure 6, thereby saving the space for storage and transportation; the liquid absorption core 4 is made of flammable materials, and after the liquid absorption core 4 is ignited through the discharge contact 7, heat is generated through spontaneous combustion of the liquid absorption core 4, and extra heating equipment is not needed; the utility model has the advantages of simple structure, abundant material sources, local material availability and low manufacturing and use costs.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a rock blasting device, its characterized in that includes sealing bag (1), still includes liquid charging pipe (2), blast pipe (3), wick (4) and lighter (5), the one end of liquid charging pipe (2) and blast pipe (3) is all inserted and is established in sealing bag (1), the other end of liquid charging pipe (2) and blast pipe (3) all stretches out sealing bag (1), wick (4) are for setting up combustible material in sealing bag (1), lighter (5) are including discharging contact (7), discharging contact (7) with wick (4) contact.

2. Rock blasting apparatus according to claim 1, characterized in that the sealed bag (1) is of cylindrical tubular construction sealed at both ends.

3. A rock blasting apparatus as claimed in claim 1 or 2, wherein the wick (4) is of cylindrical configuration.

4. A rock blasting device according to claim 1 or 2, wherein the igniter (5) comprises an electric cable (6) and a plurality of discharge contacts (7) electrically connected to the electric cable (6), the plurality of discharge contacts (7) being arranged at intervals on the electric cable (6).

5. Rock blasting device according to claim 4, characterized in that the wick (4) is a paper roll or a sponge.

6. Rock blasting apparatus according to claim 1, characterized in that the diameter of the sealing bag (1) is 5-15 cm.

7. A rock blasting apparatus as claimed in claim 6, wherein the sealed bag (1) is of plastics material.

8. A rock blasting apparatus as claimed in claim 1, wherein the envelope is filled with a liquid combustion supporting substance.

9. The rock blasting apparatus of claim 8, wherein the liquid combustion supporter is liquid oxygen, liquid hydrogen, a mixture of liquid oxygen and liquid carbon dioxide, or a mixture of liquid oxygen and liquid nitrogen.