CN215296037U - Axial reducing mixed loading explosive column - Google Patents
Axial reducing mixed loading explosive column Download PDFInfo
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- CN215296037U CN215296037U CN202121379116.2U CN202121379116U CN215296037U CN 215296037 U CN215296037 U CN 215296037U CN 202121379116 U CN202121379116 U CN 202121379116U CN 215296037 U CN215296037 U CN 215296037U
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Abstract
The utility model provides an axial reducing loads in mixture grain, constitutes the component and includes mixed cartridge, spacer, major diameter cartridge, plug and connection piece, will mix cartridge, spacer order axial butt joint to the length that needs in proper order, dock major diameter cartridge again, dock the plug at last, reach and evenly arrange around with the connection piece after the length that needs, use the adhesive tape ligature to make its firm in connection form axial reducing loads in mixture grain. Different cartridges are arranged aiming at different rock stratums, so that after the cartridges are detonated, the upper hard rock is small in broken block size, construction machinery or an engineering ship can conveniently clear the upper hard rock stratum, the mixed cartridges are arranged on the ore deposit, and the mining block size of the ore deposit can be controlled by controlling the parameters of the mixed cartridges. The utility model discloses cartridge utilization ratio is high, and is energy-conserving high-efficient, is applicable to the exploitation blasting of different terranes and mineral products, especially shows the superiority to the exploitation breakage of seabed deposit, reef.
Description
Technical Field
The utility model relates to a mining engineering, ocean engineering, water conservancy and hydropower engineering's land, marine rock or ore mining, excavation technical field, especially related to an axial reducing loads in mixture powder column.
Background
In mining projects of mining engineering, ocean engineering, water transportation engineering and water conservancy and hydropower engineering, the problems that an upper layer cannot be exploded, a lower layer cannot be excavated, or large and multiple ores are difficult to mine after explosion or the excessive utilization rate of ore breakage is low are frequently encountered, and research is carried out aiming at the problems.
Disclosure of Invention
The utility model aims at providing an axial reducing loads in mixture explosive column arranges different cartridges to the stratum of difference, after detonating the explosive column like this, the broken piece degree of hard rock on upper strata is less, makes things convenient for construction machinery or engineering ship to clear away the hard stratum on upper strata, and the deposit arranges mixed cartridge, and the piece degree size that the deposit was mined just can be controlled to the parameter of controlling mixed cartridge well. The method is suitable for mining and blasting of different rock strata and mineral products in ocean engineering, port and channel engineering and hydraulic and hydroelectric engineering, and is particularly superior to mining and breaking of seabed mineral deposits and reefs.
The utility model provides a scheme of above-mentioned technical problem is: the utility model provides an axial reducing loads in mixture grain, constitutes the component and includes mixed cartridge, filler, minor diameter cartridge, spacer, major diameter cartridge, plug and connection piece, and the concrete structure and the relation of connection of component are:
the mixed explosive roll comprises minor diameter explosive roll and filler, wraps up the minor diameter explosive roll with the filler is even, firmly forms mixed explosive roll with the adhesive tape winding, will mix the order axial butt joint of explosive roll, spacer in proper order to the length that needs, docks the major diameter explosive roll again, docks the stopper at last, reaches and evenly arranges around with the connection piece after the length that needs, makes its firm in connection form axial reducing and loads in mixture the explosive column with the adhesive tape ligature.
The filler of the mixed explosive roll is a bubble-containing material. When the small-diameter explosive cartridge explodes, the filler weakens the explosion pressure peak value and prolongs the action time of the pressure stress, so that the exploded medium is fully stripped and cannot be excessively crushed.
The explosive sticks are uniformly distributed in the medium by the spacer, so that the quantity of the explosive sticks is favorably controlled, when the explosive sticks explode, the energy is uniformly acted on the medium, the energy is prevented from being diffused among layers, after the explosion, the layers keep clear boundaries, the medium is moderate and uniform in broken block degree, and ideal mining or excavation block degree is obtained.
The lengths of the mixed medicated rolls and the large-diameter medicated rolls are determined according to needs, the length of the spacer is determined according to the sympathetic detonation distance multiple of the medicated rolls, and the length of the plug is determined according to the minimum resistance line.
The connecting piece is used for connecting the mixed explosive cartridge, the spacer, the large-diameter explosive cartridge and the plug to form a whole and fixing the positions of the mixed explosive cartridge, the spacer, the large-diameter explosive cartridge and the plug in the drill hole.
The application method of the axial reducing mixed loading explosive column comprises the following steps:
(1) according to geological data, the stratum distribution condition of an excavation area or a mining area is known, a drilling design drawing is made, and an axial reducing mixed loading explosive column structure installed in each drilling hole is designed;
(2) removing a covering layer of an excavation area or a mining area, stripping a hard layer, checking whether the actual elevation of the hard layer is consistent with the elevation of a drilling hole design drawing, and if so, adjusting the drilling hole design drawing and the axial reducing mixed charge column structure installed in each drilling hole;
(3) drilling holes on the hard layer according to a drilling design drawing, checking whether the distribution thickness of each medium layer is consistent with the drilling design drawing during drilling, if so, adjusting the drilling design drawing and the axial reducing mixed-loading explosive column structure installed in each drilling hole, outputting the final axial reducing mixed-loading explosive column structure drawing, and guiding the processing of the axial reducing mixed-loading explosive columns of each drilling hole;
(4) after drilling is finished, installing axial reducing mixed explosive columns in the drill holes, installing detonators of different sections for the axial reducing mixed explosive columns of the drill holes according to design, installing the axial reducing mixed explosive columns in the drill holes, and checking the elevation of the explosive columns to determine that the structure of the axial reducing mixed explosive columns conforms to the distribution of each stratum;
(5) after drilling is completed in a working area and the axial reducing mixed explosive columns are installed, network connection detonation is carried out, segmented group blasting is carried out, rock strata and ore layers of an excavation area or a mining area are crushed, and then mining or excavation work is carried out.
The large-diameter cartridge of the axial diameter-variable mixed loading grain is mainly used for crushing hard layers, the mixed cartridge is mainly used for crushing soft layers, the loading weight, the loading length and the loading diameter of the mixed loading grain are determined according to geological data of designed strata and geological data verified in the drilling process, the loading weight is calculated according to an empirical formula of blasting safety regulations, the loading length accounts for 2/3-4/5 of the thickness of the layer, the loading diameter is adjusted according to the loading length, and test blasting should be carried out in a similar geological area to obtain more accurate loading weight, loading length, loading diameter and other parameters for important projects in order to obtain ideal crushing effects.
The utility model has the advantages that:
1. different cartridges are arranged aiming at different rock stratums, large-diameter cartridges are arranged on hard rocks, mixed cartridges are arranged on soft rocks, after the cartridges are detonated, the upper hard rock is small in breaking block size, construction machinery or engineering ships can conveniently clear the upper hard rock stratums, the mixed cartridges are arranged on ore deposits, and the mining block size of the ore deposits can be controlled by controlling the parameters of the mixed cartridges.
2. The structure of the explosive column is flexible and changeable, and the mixed explosive roll, the spacer and the large-diameter explosive roll can be flexibly arranged at the position of a medium layer which needs to be broken.
3. The powder column structure is suitable for mining and blasting of different rock stratums and mineral products, and is particularly superior to mining and breaking of seabed mineral deposits and reefs.
4. The size of each layer of medium blocks of the broken grain structure is controllable, the breaking effect is good, and the mining efficiency is high.
5. The grain has simple structure, convenient operation and easy installation.
Drawings
Fig. 1 is a schematic structural view of the axial reducing mixed-loading explosive column of the present invention.
Fig. 2 is a schematic structural view of the mixed cartridge of the axial reducing mixed-loading cartridge of the present invention.
Fig. 3 is an application schematic diagram of the axial reducing mixed loading grain in the rock layer and the ore layer.
Fig. 4 is an application schematic diagram of the axial reducing mixed loading grain of the utility model in the rock layer and rock layer.
Labeled as: the explosive cartridge comprises a mixed explosive cartridge 1, a filler 2, a small-diameter explosive cartridge 3, a spacer 4, a large-diameter explosive cartridge 5, a plug 6, a connecting sheet 7, an axial reducing mixed explosive column 8 installed in a drill hole, a rock stratum 9 and an ore stratum 10.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1
As shown in fig. 1, the axial reducing mixed loading grain of the utility model, the component comprises a mixed cartridge 1, a filler 2, a small diameter cartridge 3, a spacer 4, a large diameter cartridge 5, a plug 6 and a connecting sheet 7, and the concrete structure and the connection relationship of the component are as follows:
mix the cartridge comprises minor diameter cartridge 3 and filler 2, wraps up minor diameter cartridge 3 with filler 2 is even, firmly forms mixed cartridge with the adhesive tape winding, in proper order with mixing cartridge 1, 4 order axial butt joints of spacer to the length that needs, dock major diameter cartridge 5 again, dock plug 6 at last, evenly arrange on every side with connection piece 7 after reaching needs length, make its firm in connection form axial reducing and load in mixture the explosive column with the adhesive tape ligature.
The filler 2 of the mixed explosive roll is a bubble-containing material. When the small-diameter explosive cartridge explodes, the filler weakens the explosion pressure peak value and prolongs the action time of the pressure stress, so that the exploded medium is fully stripped and cannot be excessively crushed.
The spacer 4 is favorable to controlling the explosive volume with the cartridge evenly distributed in the medium like this, and when the cartridge explodes, the even effect of energy prevents that energy from diffusing between layer, and after the blasting, layer-to-layer keeps the boundary clearly, and the broken bulk density of medium is moderate and even, obtains ideal exploitation or excavation bulk density.
The lengths of the mixed medicated rolls 1 and the large-diameter medicated rolls 5 are determined according to the requirement, the length of the spacer 4 is determined according to the sympathetic detonation distance multiple of the medicated rolls, and the length of the plug 6 is determined according to the minimum resistance line.
The connecting piece 7 is used for connecting the mixed explosive cartridge 1, the spacer 4, the large-diameter explosive cartridge 5 and the plug 6 to form a whole, and fixing the positions of the mixed explosive cartridge 1, the spacer 4, the large-diameter explosive cartridge 5 and the plug 6 in a drill hole.
Example 2
The use method of the axial reducing mixed loading explosive column comprises the following steps:
(1) according to geological data, the stratum distribution condition of an excavation area or a mining area is known, a drilling design drawing is made, and an axial reducing mixed loading explosive column structure installed in each drilling hole is designed;
(2) removing the covering layer, checking whether the actual hard layer elevation is consistent with the elevation of the drilling hole design drawing, and if so, adjusting the drilling hole design drawing and the axial reducing mixed charge grain structure installed in each drilling hole;
(3) drilling according to the drilling design drawing, checking whether the distribution thickness of each medium layer is consistent with the drilling design drawing during drilling, if so, adjusting the drilling design drawing and the axial reducing mixed-loading explosive column structure installed in each drilling hole, outputting the final axial reducing mixed-loading explosive column structure drawing to guide the processing of the axial reducing mixed-loading explosive column of each drilling hole,
(4) after the drilling is finished, different sections of detonators are installed on the axial reducing mixed explosive columns of all the drill holes according to design, the axial reducing mixed explosive columns are installed in the drill holes, and the heights of the explosive columns are checked to determine that the structures of the axial reducing mixed explosive columns conform to the distribution of all the stratums.
(5) After drilling is completed in a working area and the axial reducing mixed explosive columns are installed, network connection detonation is carried out, the stratum of the working area is crushed, and then mining or excavation work is carried out.
Example 3
As shown in FIG. 3, the application example of the axial reducing mixed loading grain in the rock layer and rock layer includes the following steps:
digging a covering layer to expose the rock 9, drilling holes in the rock 9 according to the design, exploring the distribution of each layer in the drilling process, processing an axial reducing mixed explosive column, installing the axial reducing mixed explosive column after the drilling is completed, placing a large-diameter explosive roll 5 in the rock 9, positioning a spacer 4 at an interface of the two layers, plugging an orifice by a plug 6, placing the mixed explosive roll 1 in an ore bed 10, and controlling the crushing lumpiness of the rock 9 and the ore bed 10 after the blasting.
Example 4
As shown in FIG. 4, the application example of the axial reducing mixed loading grain in the rock-sandwiched rock layer of the ore layer comprises the following steps:
digging a covering layer to expose an ore layer 10, drilling holes in the ore layer 10 according to design, exploring and cleaning distribution of each layer in the drilling process, processing an axial reducing mixed explosive column, completing installation of the axial reducing mixed explosive column after drilling, placing a large-diameter explosive roll 5 in a rock 9, positioning a spacer 4 at an interface of the two layers, plugging an orifice by a plug 6, placing the mixed explosive roll 1 in the ore layer 10, and controlling the crushing lumpiness of the rock 9 and the ore layer 10 after blasting. When the hardness of the ore layer 10 is greater than that of the rock 9, the positions of the large-diameter cartridge 5 and the mixed cartridge 1 are adjusted to obtain a desired crushing effect.
Claims (5)
1. The utility model provides an axial reducing loads in mixture explosive column, constitutes the component and includes mixed explosive roll, filler, minor diameter explosive roll, spacer, major diameter explosive roll, plug and connection piece, its characterized in that, mixed explosive roll comprises minor diameter explosive roll and filler, and the filler evenly wraps up the minor diameter explosive roll, mixes explosive roll, spacer, major diameter explosive roll and plug order axial butt joint, has arranged connection piece 7 on every side, forms axial reducing loads in mixture explosive column with the adhesive tape ligature.
2. The axially reducing mixed explosive column according to claim 1, wherein the filler of the mixed explosive cartridge is a bubble-containing material.
3. The axially reducing mixed loading column according to claim 1, wherein the spacer uniformly distributes the cartridges in the media.
4. The axial reducing mixed explosive column according to claim 1, wherein the lengths of the mixed explosive roll and the large-diameter explosive roll are determined as required, the length of the spacer is determined according to the sympathetic detonation distance multiple of the explosive roll, and the length of the plug is determined according to the minimum resistance line.
5. The axially variable diameter mixed loading cartridge as claimed in claim 1, wherein the connecting piece connects the mixed cartridge, the spacer, the large diameter cartridge and the plug to form a whole, and fixes the position of the mixed cartridge, the spacer, the large diameter cartridge and the plug in the drill hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379116.2U CN215296037U (en) | 2021-06-21 | 2021-06-21 | Axial reducing mixed loading explosive column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379116.2U CN215296037U (en) | 2021-06-21 | 2021-06-21 | Axial reducing mixed loading explosive column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296037U true CN215296037U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121379116.2U Active CN215296037U (en) | 2021-06-21 | 2021-06-21 | Axial reducing mixed loading explosive column |
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|---|---|
| CN (1) | CN215296037U (en) |
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2021
- 2021-06-21 CN CN202121379116.2U patent/CN215296037U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An axially variable diameter mixed charge column Effective date of registration: 20220704 Granted publication date: 20211224 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Nanning branch Pledgor: GUANGXI NEWHARBOUR ENGINEERING CO.,LTD. Registration number: Y2022450000091 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |