CN111170815A - Explosive for explosive welding - Google Patents
Explosive for explosive welding Download PDFInfo
- Publication number
- CN111170815A CN111170815A CN201911413039.5A CN201911413039A CN111170815A CN 111170815 A CN111170815 A CN 111170815A CN 201911413039 A CN201911413039 A CN 201911413039A CN 111170815 A CN111170815 A CN 111170815A
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- mechanical oil
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- 239000002360 explosive Substances 0.000 title claims abstract description 107
- 238000003466 welding Methods 0.000 title claims abstract description 38
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 63
- 239000011707 mineral Substances 0.000 claims abstract description 62
- 239000000843 powder Substances 0.000 claims abstract description 42
- 239000000839 emulsion Substances 0.000 claims abstract description 30
- 238000005474 detonation Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 71
- 239000007788 liquid Substances 0.000 claims description 40
- 238000003756 stirring Methods 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 24
- 238000012216 screening Methods 0.000 claims description 17
- 238000004880 explosion Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 3
- 239000005909 Kieselgur Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/007—Ballistic modifiers, burning rate catalysts, burning rate depressing agents, e.g. for gas generating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0083—Treatment of solid structures, e.g. for coating or impregnating with a modifier
Abstract
The invention discloses an explosive for explosive welding, which comprises the following raw materials in percentage by weight: 20-80% of powdery emulsion explosive; 80-20% of modified mineral substances, wherein during the storage process of the explosive, the phenomenon of demulsification of the explosive may occur, so that the detonation velocity of the explosive is influenced, the change of the detonation velocity of the added mineral substances is small during the storage process of the explosive coated by the mechanical oil, and for the explosive which is not modified by the mechanical oil and is directly mixed with the mineral substance powder and the powdery emulsion explosive, the change of the detonation velocity is obvious during the storage for 3d and 7d, after the storage for 3d, the detonation velocity is reduced from 2760m/s to 2550m/s, and the average detonation velocity measured after the storage for 7d is changed into 2160m/s, so that the phenomenon of demulsification of the explosive and the phenomenon of easy caking of the mineral substance due to moisture absorption can be greatly reduced by modifying the mechanical oil on the mineral substance powder, and a stable detonation velocity can be maintained during the storage process. The invention improves the compatibility of the mineral substance and the powdery emulsion explosive.
Description
Technical Field
The invention relates to the technical field of explosives, in particular to an explosive for explosive welding.
Background
The explosive for explosive welding is a special explosive variety, the explosion speed of the explosive is adjustable in real time according to specific parameters of an explosive welding object, construction can be facilitated, the explosive has strong free-running property, and the explosive layer for explosive welding can be uniformly laid.
The explosive is suitable for preparing explosive for explosive welding, is basically powdery emulsion explosive, but the explosion velocity of the powdery emulsion explosive is high, and an inert mineral substance is required to be used for regulating the explosive so as to reduce the explosion velocity of the explosive and meet the requirement of explosive welding.
The mineral additive of explosive for explosive welding is inorganic mineral, but its surface is hard, when it is mixed with powdered emulsion explosive, it is easy to make emulsion breaking and agglomeration of emulsion explosive particles due to friction, and even to make the prepared explosive lose efficacy.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the explosive for explosive welding, and the compatibility of mineral substances and powdery emulsion explosive is improved.
The explosive for explosive welding provided by the invention comprises the following raw materials in percentage:
20-80% of powdery emulsion explosive;
80-20% of modified mineral.
Preferably, the detonation velocity of the explosive for explosive welding is 1600-2800 m/s.
Preferably, the modified mineral is prepared by the following steps: mixing and stirring the mechanical oil and the mineral powder to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and packaging for later use.
Preferably, the mineral powder is one or more of diatomite, perlite, talcum powder and industrial salt.
Preferably, the particle size of the mineral powder is 20-140 meshes.
Preferably, the mass ratio of the mechanical oil to the mineral powder is 1: 10-100.
Preferably, the device for preparing the modified mineral substance comprises a mixing device, a liquid feeding device and an oil storage tank which are connected in sequence;
the mixing device comprises a mixing cavity with an opening at the upper end and a filtering cavity with openings at two ends, and the mixing cavity is rotationally connected with the filtering cavity;
a stirring shaft which is horizontally distributed is arranged in the mixing cavity, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotatably connected with the side wall of the mixing cavity, the other end of the stirring shaft penetrates through the side wall of the stirring shaft and is electrically connected with a motor, the motor is fixed on the outer side of the mixing cavity, and the motor is used for driving the stirring shaft to rotate in the mixing cavity;
a liquid adding port is formed in one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a sliding groove is formed in the top cover, a plurality of sieve hoppers in sliding connection with the sliding groove are further arranged on the top cover, a driving assembly is arranged on one side of each sieve hopper, the driving assembly controls the sieve hoppers to reciprocate along the sliding groove, the sieve hoppers are connected with the driving assembly and adjacent sieve hoppers through connecting rods, a supporting frame used for supporting the sieve hoppers is further arranged on the top cover, and the sieve hoppers are in sliding connection with the supporting frame;
the mixing device is characterized by further comprising a support for supporting the mixing device, a rotating shaft is arranged on the support and rotatably connected with the support, one end of the rotating shaft is fixedly connected with the side wall of the mixing cavity, and a rotating handle is fixedly arranged at the other end of the rotating shaft.
Preferably, one side of hybrid chamber still is equipped with the installation piece, the opposite side of hybrid chamber is equipped with the reel, the reel with be equipped with the stay cord between the installation piece, the stay cord with installation piece fixed connection, the stay cord with the reel rotates to be connected, the axis of rotation with still be equipped with the torsional spring between the support.
Preferably, the driving assembly comprises a rotating cavity, racks are arranged on the upper side and the lower side of the inner wall of the rotating cavity, and an incomplete gear matched with the racks is further arranged in the rotating cavity; the screening is fought including the screening chamber, screening chamber lower extreme can be dismantled and be equipped with the reference column, the reference column middle part is equipped with the through-hole that runs through, the screening intracavity still is equipped with the screen cloth, the screen cloth is located the upper end of reference column, one side of reference column is the fixture block in addition, be equipped with on the support frame inside wall with the draw-in groove that the fixture block matches, the fixture block with draw-in groove sliding connection.
Preferably, the liquid feeding device comprises a metering cavity and an installation cavity connected with the metering cavity, a liquid inlet and a liquid outlet are arranged on one side of the metering cavity, the liquid inlet and the liquid outlet are communicated with the metering cavity, one end of the liquid inlet is connected with the oil storage tank, the liquid outlet is connected with the liquid adding port, a sealing element is arranged in the metering cavity, a screw rod is fixedly arranged at one end, far away from the liquid outlet, of the sealing element, one end, far away from the sealing element, of the screw rod penetrates through the side wall between the metering cavity and the installation cavity and is positioned in the installation cavity, a connecting sleeve is arranged in the installation cavity, the connecting sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, a gear is fixedly arranged on the outer side of the connecting sleeve, a second motor is further arranged on one side of the installation cavity, and an output shaft of the second motor penetrates through the side wall, one side of the mounting cavity, which is far away from the metering cavity, is also provided with an extension cavity matched with the screw rod, the extension cavity is communicated with the mounting cavity, and one end, which is far away from the liquid inlet, of the metering cavity is also provided with a pressure relief hole.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) according to the application, the surface of the mineral powder is coated with the layer of mechanical oil, so that the surface similarity of the mineral powder and the powdery emulsion explosive is increased, the compatibility of the mineral powder and the powdery emulsion explosive is further improved, and the phenomena of emulsion breaking and salt precipitation of the emulsion explosive caused by the friction of the mineral powder on the surface of the powdery emulsion explosive are avoided.
(2) Mixing arrangement in this application has cancelled current discharge tube structure, directly arranges the material from the upper end opening of mixing chamber of mixing arrangement, has avoided the waste of material, and has improved the abundant of mineral substance and mechanical oil mixture.
(3) The upper end of the top cover is also provided with a sieve hopper and a driving component connected with the sieve hopper, and the sieve hopper is driven to reciprocate by the driving component to realize the sieving of mineral substances; the sieve fill can dismantle with the reference column and be connected including screening chamber and reference column, screening chamber, after screening a period, will screen the chamber and take off, then to screening the intracavity large granule mineral substance clear up can.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for preparing a modified mineral substance according to the present invention;
FIG. 2 is a side view of a mixing device according to the present invention;
FIG. 3 is a schematic structural diagram of a driving assembly according to the present invention;
fig. 4 is a cross-sectional view of a sieve hopper according to the invention;
fig. 5 is a side view of a sieve hopper according to the invention;
FIG. 6 is a schematic structural view of a liquid feeding apparatus according to the present invention;
fig. 7 is a schematic structural diagram of a mixing device according to another embodiment of the present invention.
In the figure, 1-a mixing cavity, 11-a stirring shaft, 12-a stirring paddle, 13-a first motor, 14-an installation block, 2-a filtering cavity, 21-a liquid adding port, 3-a top cover, 31-a driving component, 32-a sieve hopper, 321-a screening cavity, 322-a positioning column, 323-a sieve screen, 324-a clamping block, 33-a connecting rod, 34-a sliding chute, 35-a rack, 36-an incomplete gear, 37-a rotating cavity, 38-a supporting frame, 381-a clamping groove, 4-a bracket, 5-a rotating shaft, 51-a rotating handle, 6-a winding wheel, 7-a pull rope, 8-a liquid feeding device, 81-a sealing element, 82-a liquid inlet, 83-a liquid outlet, 84-a metering cavity, 85-a connecting sleeve, 85-a connecting, 86-pressure relief hole, 87-gear, 88-extension cavity, 89-second motor, 810-installation cavity, 811-screw rod and 9-oil storage tank.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example 1
And mixing and stirring 30 parts of talcum powder and 0.3 part of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 2
And mixing and stirring 30 parts of talcum powder and 0.9 part of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 3
And mixing and stirring 30 parts of talcum powder and 1.5 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 4
And mixing and stirring 30 parts of diatomite and 0.9 part of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 5
And mixing and stirring 30 parts of diatomite and 1.5 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 6
And mixing 30 parts of perlite and 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 7
And mixing and stirring 30 parts of perlite and 0.9 part of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 8
And mixing 40 parts of industrial salt and 2 parts of mechanical oil, stirring to enable the mechanical oil to be uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 60 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 9
And mixing and stirring 30 parts of industrial salt and 0.9 part of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 10
And mixing and stirring 62 parts of industrial salt and 1.86 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 38 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 11
Mixing and stirring 15 parts of industrial salt, 15 parts of talcum powder and 1.5 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 12
And mixing and stirring 20 parts of industrial salt, 20 parts of diatomite and 2 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 60 parts of powdery emulsion explosive to prepare the explosive for welding.
Example 13
Mixing and stirring 10 parts of industrial salt, 10 parts of talcum powder and 10 parts of perlite with 3 parts of mechanical oil to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and then mixing the modified mineral powder with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
The detonation velocities of the explosives produced in examples 1-13 were measured as-prepared, stored for 3 days, and stored for 7 days, and the results are shown in Table 1.
TABLE 1 determination of detonation velocity of explosive for explosive welding
In the storage process of the explosive, the phenomenon of demulsification of the explosive may occur, thereby affecting the detonation velocity of the explosive, and as can be seen from table 1, the change of detonation velocity of the explosive coated with the mechanical oil during the storage process of the added mineral matter is small (see examples 1-5 and examples 7-13), while for the explosive directly mixed with the mineral powder and the powdery emulsion explosive without mechanical oil modification, the measured detonation velocity fluctuation is obvious and the average detonation velocity change is obvious when the explosive is stored for 3d and 7d (see example 6), after the explosive is stored for 3d, the pseudo-caking phenomenon occurs, the average detonation velocity is reduced from 2760m/s to 2550m/s, after the explosive is stored for 7d, the caking phenomenon is serious, the explosive can be used after being crushed and sieved, the measured average detonation velocity is 2160m/s, therefore, the phenomenon of demulsification, the mineral matter and the easy caking phenomenon can be greatly reduced by modifying the mineral powder with the mechanical oil, the detonation sensitivity of the explosive can be maintained during storage.
Referring to fig. 1 to 6, the apparatus for preparing modified minerals according to the present invention comprises a mixing device, a liquid feeding device and an oil storage tank which are connected in sequence;
the mixing device comprises a mixing cavity with an opening at the upper end and a filtering cavity with openings at two ends, and the mixing cavity is rotationally connected with the filtering cavity;
a stirring shaft which is horizontally distributed is arranged in the mixing cavity, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotatably connected with the side wall of the mixing cavity, the other end of the stirring shaft penetrates through the side wall of the stirring shaft and is electrically connected with a motor, the motor is fixed on the outer side of the mixing cavity, and the motor is used for driving the stirring shaft to rotate in the mixing cavity;
a liquid adding port is formed in one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a sliding groove is formed in the top cover, a plurality of sieve hoppers in sliding connection with the sliding groove are further arranged on the top cover, a driving assembly is arranged on one side of each sieve hopper, the driving assembly controls the sieve hoppers to reciprocate along the sliding groove, the sieve hoppers are connected with the driving assembly and adjacent sieve hoppers through connecting rods, a supporting frame used for supporting the sieve hoppers is further arranged on the top cover, and the sieve hoppers are in sliding connection with the supporting frame;
the mixing device is characterized by further comprising a support for supporting the mixing device, a rotating shaft is arranged on the support and rotatably connected with the support, one end of the rotating shaft is fixedly connected with the side wall of the mixing cavity, and a rotating handle is fixedly arranged at the other end of the rotating shaft.
The driving assembly comprises a rotating cavity, racks are arranged on the upper side and the lower side of the inner wall of the rotating cavity, and an incomplete gear matched with the racks is further arranged in the rotating cavity; the screening is fought including the screening chamber, screening chamber lower extreme can be dismantled and be equipped with the reference column, the reference column middle part is equipped with the through-hole that runs through, the screening intracavity still is equipped with the screen cloth, the screen cloth is located the upper end of reference column, one side of reference column is the fixture block in addition, be equipped with on the support frame inside wall with the draw-in groove that the fixture block matches, the fixture block with draw-in groove sliding connection.
The liquid feeding device comprises a metering cavity and an installation cavity connected with the metering cavity, wherein a liquid inlet and a liquid outlet are arranged on one side of the metering cavity, the liquid inlet and the liquid outlet are communicated with the metering cavity, one end of the liquid inlet is connected with the oil storage tank, the liquid outlet is connected with the liquid adding port, a sealing element is arranged in the metering cavity, a screw rod is fixedly arranged at one end, away from the liquid outlet, of the sealing element, one end, away from the sealing element, of the screw rod penetrates through the side wall between the metering cavity and the installation cavity and is positioned in the installation cavity, a connecting sleeve is arranged in the installation cavity, is sleeved on the screw rod and is in threaded connection with the screw rod, a gear is fixedly arranged on the outer side of the connecting sleeve, a second motor is further arranged on one side of the installation cavity, and an output shaft of the second motor penetrates through the side wall of the, one side of the mounting cavity, which is far away from the metering cavity, is also provided with an extension cavity matched with the screw rod, the extension cavity is communicated with the mounting cavity, and one end, which is far away from the liquid inlet, of the metering cavity is also provided with a pressure relief hole.
Referring to fig. 7, in the mixing device according to another embodiment of the present invention, a mounting block is further disposed on one side of the mixing chamber, a reel is disposed on the other side of the mixing chamber, a pull rope is disposed between the reel and the mounting block, the pull rope is fixedly connected to the mounting block, the pull rope is rotatably connected to the reel, and a torsion spring is further disposed between the rotating shaft and the bracket.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The explosive for explosive welding is characterized by comprising the following raw materials in percentage by weight:
20-80% of powdery emulsion explosive;
80-20% of modified mineral.
2. The explosive for explosion welding according to claim 1, wherein the detonation velocity of the explosive for explosion welding is 1600 to 2800 m/s.
3. The explosive for explosion welding according to claim 1, wherein the modified mineral is prepared by the following steps:
mixing and stirring the mechanical oil and the mineral powder to ensure that the mechanical oil is uniformly coated on the surface of the mineral powder, and packaging for later use.
4. The explosive for explosive welding according to claim 3, wherein the mineral powder is one or more of diatomaceous earth, perlite, talc powder, and industrial salt.
5. The explosive for explosion welding according to claim 3, wherein the mineral powder has a particle size of 20 to 140 mesh.
6. The explosive for explosion welding according to claim 3, wherein the mass ratio of the mechanical oil to the mineral powder is 1: 10-100.
7. The explosive for explosive welding according to claim 3, wherein the device for preparing the modified mineral substance comprises a mixing device, a liquid feeding device and an oil storage tank which are connected in sequence;
the mixing device comprises a mixing cavity with an opening at the upper end and a filtering cavity with openings at two ends, and the mixing cavity is rotationally connected with the filtering cavity;
a stirring shaft which is horizontally distributed is arranged in the mixing cavity, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotatably connected with the side wall of the mixing cavity, the other end of the stirring shaft penetrates through the side wall of the stirring shaft and is electrically connected with a motor, the motor is fixed on the outer side of the mixing cavity, and the motor is used for driving the stirring shaft to rotate in the mixing cavity;
a liquid adding port is formed in one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a sliding groove is formed in the top cover, a plurality of sieve hoppers in sliding connection with the sliding groove are further arranged on the top cover, a driving assembly is arranged on one side of each sieve hopper, the driving assembly controls the sieve hoppers to reciprocate along the sliding groove, the sieve hoppers are connected with the driving assembly and adjacent sieve hoppers through connecting rods, a supporting frame used for supporting the sieve hoppers is further arranged on the top cover, and the sieve hoppers are in sliding connection with the supporting frame;
the mixing device is characterized by further comprising a support for supporting the mixing device, a rotating shaft is arranged on the support and rotatably connected with the support, one end of the rotating shaft is fixedly connected with the side wall of the mixing cavity, and a rotating handle is fixedly arranged at the other end of the rotating shaft.
8. The explosive for explosion welding according to claim 7, wherein a mounting block is further provided on one side of the mixing chamber, a reel is provided on the other side of the mixing chamber, a pulling rope is provided between the reel and the mounting block, the pulling rope is fixedly connected with the mounting block, the pulling rope is rotatably connected with the reel, and a torsion spring is further provided between the rotating shaft and the bracket.
9. The explosive for explosive welding according to claim 7, wherein the driving assembly comprises a rotating cavity, racks are arranged on the upper side and the lower side of the inner wall of the rotating cavity, and an incomplete gear matched with the racks is further arranged in the rotating cavity; the screening is fought including the screening chamber, screening chamber lower extreme can be dismantled and be equipped with the reference column, the reference column middle part is equipped with the through-hole that runs through, the screening intracavity still is equipped with the screen cloth, the screen cloth is located the upper end of reference column, one side of reference column is the fixture block in addition, be equipped with on the support frame inside wall with the draw-in groove that the fixture block matches, the fixture block with draw-in groove sliding connection.
10. The explosive for explosion welding as defined in claim 7, wherein said liquid feeding device comprises a metering chamber and an installation chamber connected to said metering chamber, a liquid inlet and a liquid outlet are provided at one side of said metering chamber, said liquid inlet and said liquid outlet are both communicated to said metering chamber, and one end of said liquid inlet is connected to said oil storage tank, said liquid outlet is connected to said liquid adding port, a sealing member is provided in said metering chamber, a screw rod is fixedly provided at one end of said sealing member far from said liquid outlet, one end of said screw rod far from said sealing member penetrates through a side wall between said metering chamber and said installation chamber and is located in said installation chamber, a connection sleeve is provided in said installation chamber, said connection sleeve is sleeved on said screw rod and is in threaded connection with said screw rod, a gear is fixedly provided outside said connection sleeve, the utility model discloses a measuring device, including installation cavity, screw rod lead screw, mounting cavity, gear transmission, measurement chamber, measuring chamber, the installation cavity one side still is equipped with the second motor, the output shaft of second motor run through the lateral wall of installation cavity and with gear drive connects, the installation cavity is kept away from one side of measurement chamber still be equipped with the extension chamber that the screw rod lead screw matches extend the chamber with the installation cavity intercommunication, the measurement chamber is kept away from the one end of inlet still is equipped with the pressure release hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413039.5A CN111170815B (en) | 2019-12-31 | 2019-12-31 | Explosive for explosive welding |
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|---|---|---|---|
| CN201911413039.5A CN111170815B (en) | 2019-12-31 | 2019-12-31 | Explosive for explosive welding |
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| CN111170815A true CN111170815A (en) | 2020-05-19 |
| CN111170815B CN111170815B (en) | 2024-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736083A (en) * | 2022-04-01 | 2022-07-12 | 安徽理工大学 | Low-detonation-velocity explosion-welded granular emulsion explosive and preparation method thereof |
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| RU2008122699A (en) * | 2008-06-04 | 2009-12-10 | Виктор Ярославович Панчишин (RU) | COMPOSITION OF A GRANULATED EXPLOSIVE SUBSTANCE AND METHOD FOR PREPARING IT |
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| CN114736083A (en) * | 2022-04-01 | 2022-07-12 | 安徽理工大学 | Low-detonation-velocity explosion-welded granular emulsion explosive and preparation method thereof |
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|---|---|
| CN111170815B (en) | 2024-01-19 |
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