CN111170815B - Explosive for explosive welding - Google Patents
Explosive for explosive welding Download PDFInfo
- Publication number
- CN111170815B CN111170815B CN201911413039.5A CN201911413039A CN111170815B CN 111170815 B CN111170815 B CN 111170815B CN 201911413039 A CN201911413039 A CN 201911413039A CN 111170815 B CN111170815 B CN 111170815B
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- mixing
- explosion welding
- explosion
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- 239000002360 explosive Substances 0.000 title claims abstract description 95
- 238000003466 welding Methods 0.000 title claims abstract description 39
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 64
- 239000011707 mineral Substances 0.000 claims abstract description 63
- 239000000843 powder Substances 0.000 claims abstract description 44
- 238000004880 explosion Methods 0.000 claims abstract description 39
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 29
- 238000012216 screening Methods 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 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 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 5
- 239000005909 Kieselgur Substances 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 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 description 6
- 239000000654 additive Substances 0.000 description 3
- 238000005474 detonation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 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 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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 explosion welding, which comprises the following raw materials in percentage by weight: 20-80% of powdery emulsion explosive; the modified mineral substances 80-20% can possibly generate the phenomenon of explosive demulsification in the storage process of the explosive, so that the explosion velocity of the explosive can be influenced, the added mineral substances adopt the explosive coated by mechanical oil to change less in the storage process, and for the explosive which is not subjected to mechanical oil modification and is directly mixed with the powdery emulsion explosive, the change of the explosion velocity is obvious when the mineral substances powder is stored for 3d and 7d, the explosion velocity is reduced from 2760m/s to 2550m/s after the storage for 3d, and the average explosion velocity is changed into 2160m/s after the storage for 7d, so that the demulsification phenomenon of the explosive and the moisture absorption and agglomeration phenomenon of the mineral substances can be greatly reduced by changing the mechanical oil for the mineral substances powder, and the stable explosion velocity can be maintained in the storage process. The invention improves the compatibility of minerals and powdery emulsion explosive.
Description
Technical Field
The invention relates to the technical field of explosives, in particular to an explosive for explosion welding.
Background
The explosive for explosion welding is a special explosive variety, the explosion speed of the explosive is required to be adjusted in real time according to specific parameters of an explosion welding object, the construction can be facilitated, the explosive has strong fluidity, and the uniform laying of an explosion welding explosive layer can be achieved.
The powder emulsion explosive is suitable for preparing the basically powder emulsion explosive for explosion welding, but the powder emulsion explosive has higher explosion speed, and an inert mineral substance is required to be adopted for adjusting so as to reduce the explosion speed of the explosive and meet the requirement of the explosion welding explosive.
Mineral additives for explosives for explosive welding are generally inorganic minerals, but the surface of the mineral additives is hard, and when the mineral additives are mixed with powdery emulsion explosives, emulsion explosive particles are easy to break and agglomerate due to friction, and even the prepared explosives are invalid.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides the explosive for explosion welding, and the compatibility of mineral substances and powdery emulsion explosive is improved.
The explosive for explosion 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 detonation welding is 1600-2800m/s.
Preferably, the method for preparing the modified mineral comprises the following steps: mixing and stirring the mechanical oil and the mineral powder to uniformly coat the mechanical oil 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 mesh.
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 the two ends, and the mixing cavity is rotationally connected with the filtering cavity;
the stirring shaft is internally provided with stirring shafts which are horizontally distributed, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotationally 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;
the filter comprises a filter cavity, and is characterized in that a liquid adding port is arranged on one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a chute is arranged on the top cover, a plurality of sieve hoppers which are in sliding connection with the chute 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 chute, the sieve hoppers are connected with the driving assembly and the adjacent sieve hoppers through connecting rods, and a supporting frame for supporting the sieve hoppers is further arranged on the top cover and is in sliding connection with the supporting frame;
still including the support that is used for supporting mixing arrangement, be equipped with the axis of rotation on the support, the axis of rotation with the support rotates to be connected, axis of rotation one end with the lateral wall fixed connection in mixing chamber, the axis of rotation other end is fixed to be equipped with the rotation handle.
Preferably, one side of the mixing cavity is also provided with a mounting block, the other side of the mixing cavity is provided with a reel, a pull rope is arranged between the reel and the mounting block and fixedly connected with the mounting block, the pull rope is rotationally connected with the reel, and a torsion spring is further arranged between the rotating shaft and the bracket.
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 incomplete gears matched with the racks are further arranged in the rotating cavity; the sieve fill includes the screening chamber, the 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, still be equipped with the screen cloth in the screening chamber, the screen cloth is located the upper end of reference column, one side of reference column is 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 a mounting cavity connected with the metering cavity, wherein one side of the metering cavity is provided with a liquid inlet and a liquid outlet, 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, one end of the sealing element away from the liquid outlet is fixedly provided with a screw rod, one end of the screw rod away from the sealing element penetrates through the side wall between the metering cavity and the mounting cavity and is positioned in the mounting cavity, a connecting sleeve is arranged in the mounting cavity, the connecting sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, a gear is fixedly arranged outside the connecting sleeve, one side of the mounting cavity is further provided with a second motor, an output shaft of the second motor penetrates through the side wall of the mounting cavity and is connected with the gear transmission, one side of the mounting cavity is further provided with an extension cavity matched with the screw rod, one end of the screw rod away from the mounting cavity is further provided with a pressure relief hole.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) According to the method, the surface of the mineral powder is coated with the layer of mechanical oil, so that the similarity between the mineral powder and the surface of the powdery emulsion explosive is increased, the compatibility between 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 friction of the mineral powder on the surface of the powdery emulsion explosive are avoided.
(2) The mixing arrangement in this application has cancelled current row material pipe structure, directly follows the upper end opening in mixing arrangement's mixing chamber and has arranged the material, has avoided the waste of material, and has improved the abundant that mineral substance and mechanical oil mix.
(3) The upper end of the top cover is also provided with a sieve bucket and a driving assembly connected with the sieve bucket, and the sieve bucket is driven to reciprocate by the driving assembly so as to realize sieving of mineral substances; the screening bucket comprises a screening cavity and a positioning column, the screening cavity is detachably connected with the positioning column, and after screening is carried out for a period of time, the screening cavity is taken down, and then large-particle mineral matters in the screening cavity are cleaned.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for preparing modified minerals 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 diagram of a driving assembly according to the present invention;
FIG. 4 is a cross-sectional view of a screen bucket according to the present invention;
FIG. 5 is a side view of a screen bucket according to the present invention;
FIG. 6 is a schematic 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, the mixing chamber, the 11-stirring shaft, the 12-stirring paddle, the 13-first motor, the 14-mounting block, the 2-filtering chamber, the 21-liquid adding port, the 3-top cover, the 31-driving component, the 32-screening hopper, the 321-screening chamber, the 322-positioning column, the 323-screen, the 324-clamping block, the 33-connecting rod, the 34-sliding chute, the 35-rack, the 36-incomplete gear, the 37-rotating chamber, the 38-supporting frame, the 381-clamping groove, the 4-supporting frame, the 5-rotating shaft, the 51-rotating handle, the 6-winding wheel, the 7-pulling rope, the 8-liquid feeding device, the 81-sealing piece, the 82-liquid inlet, the 83-liquid outlet, the 84-metering chamber, the 85-connecting sleeve, the 86-pressure release hole, the 87-gear, the 88-extending chamber, the 89-second motor, the 810-chamber, the 811-screw rod and the 9-oil storage tank are arranged.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Example 1
30 parts of talcum powder and 0.3 part of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 2
30 parts of talcum powder and 0.9 part of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 3
30 parts of talcum powder and 1.5 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 4
30 parts of diatomite and 0.9 part of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 5
30 parts of diatomite and 1.5 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 6
30 parts of perlite and 70 parts of powdery emulsion explosive are mixed to prepare the explosive for welding.
Example 7
30 parts of perlite and 0.9 part of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 8
40 parts of industrial salt and 2 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 60 parts of powdery emulsion explosive to prepare the welding explosive.
Example 9
30 parts of industrial salt and 0.9 part of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 10
62 parts of industrial salt and 1.86 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 38 parts of powdery emulsion explosive to prepare the welding explosive.
Example 11
15 parts of industrial salt, 15 parts of talcum powder and 1.5 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of the mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the welding explosive.
Example 12
Mixing and stirring 20 parts of industrial salt, 20 parts of diatomite and 2 parts of mechanical oil to uniformly coat the mechanical oil on the surface of the mineral powder, and then mixing the modified mineral powder with 60 parts of powdery emulsion explosive to prepare the welding explosive.
Example 13
10 parts of industrial salt, 10 parts of talcum powder, 10 parts of perlite and 3 parts of mechanical oil are mixed and stirred, so that the mechanical oil is uniformly coated on the surface of mineral powder, and then the modified mineral powder is mixed with 70 parts of powdery emulsion explosive to prepare the explosive for welding.
The detonation velocities of the explosives prepared in examples 1 to 13 were measured immediately after preparation, 3d storage and 7d storage, and the results are shown in Table 1.
Table 1 determination of explosive explosion velocity for explosion welding
In the storage process of the explosive, the phenomenon of explosive demulsification may occur, so that the explosion velocity of the explosive is affected, and as can be seen from table 1, the added mineral substances adopt the mechanical oil coated explosive, the explosion velocity change is small in the storage process (see examples 1-5 and examples 7-13), and for the explosive which is not subjected to mechanical oil modification and is directly mixed with the powdery emulsion explosive, the measured explosion velocity fluctuation is obvious when the explosive is stored for 3d and 7d, the average explosion velocity change is obvious (see example 6), the false agglomeration phenomenon is generated after the explosive is stored for 3d, the average explosion velocity is reduced from 2760m/s to 2550m/s, the agglomeration phenomenon is serious after the explosive is stored for 7d, the explosive can be used after the explosive is crushed and sieved, and the average explosion velocity is 2160m/s is measured, so that the explosion velocity of the explosive is greatly reduced by the mechanical oil change of the mineral substances and the explosion sensitivity of the explosive can be kept in the storage process.
Referring to fig. 1 to 6, the device for preparing modified mineral substances provided by the 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 the two ends, and the mixing cavity is rotationally connected with the filtering cavity;
the stirring shaft is internally provided with stirring shafts which are horizontally distributed, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotationally 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;
the filter comprises a filter cavity, and is characterized in that a liquid adding port is arranged on one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a chute is arranged on the top cover, a plurality of sieve hoppers which are in sliding connection with the chute 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 chute, the sieve hoppers are connected with the driving assembly and the adjacent sieve hoppers through connecting rods, and a supporting frame for supporting the sieve hoppers is further arranged on the top cover and is in sliding connection with the supporting frame;
still including the support that is used for supporting mixing arrangement, be equipped with the axis of rotation on the support, the axis of rotation with the support rotates to be connected, axis of rotation one end with the lateral wall fixed connection in mixing chamber, the axis of rotation other end is fixed to be equipped with the rotation handle.
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 also arranged in the rotating cavity; the sieve fill includes the screening chamber, the 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, still be equipped with the screen cloth in the screening chamber, the screen cloth is located the upper end of reference column, one side of reference column is 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 a mounting cavity connected with the metering cavity, wherein the liquid inlet and the liquid outlet are formed in one side of the metering cavity, the liquid outlet is 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, the sealing element is far away from one end of the liquid outlet, a screw rod is fixedly arranged at one end of the sealing element, which is far away from the screw rod, penetrates through the metering cavity, the side wall between the mounting cavity and is positioned in the mounting cavity, a connecting sleeve is arranged in the mounting cavity, the connecting sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, a gear is fixedly arranged outside the connecting sleeve, a second motor is further arranged on one side of the mounting cavity, an output shaft of the second motor penetrates through the side wall of the mounting cavity and is connected with the gear transmission, an extension cavity matched with the screw rod is further arranged on one side of the mounting cavity, and the mounting cavity is communicated with the mounting cavity, and the liquid inlet is further arranged at one end of the mounting cavity.
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 with the mounting block, the pull rope is rotatably connected with the reel, and a torsion spring is further disposed between the rotating shaft and the bracket.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The preparation method of the explosive for explosion welding is characterized in that the explosive for explosion welding comprises the following raw materials in percentage:
20-80% of powdery emulsion explosive;
80-20% of modified mineral substances;
the preparation method of the explosive for explosion welding comprises the following steps: mixing the modified mineral powder with powdery emulsion explosive to prepare an explosive for welding;
the preparation method of the modified mineral comprises the following steps:
mixing and stirring the mechanical oil and the mineral powder to uniformly coat the mechanical oil on the surface of the mineral powder, and packaging for later use;
the device for preparing the modified mineral substance comprises a mixing device, a liquid feeding device and an oil storage tank which are sequentially connected;
the mixing device comprises a mixing cavity with an opening at the upper end and a filtering cavity with openings at the two ends, and the mixing cavity is rotationally connected with the filtering cavity;
the stirring shaft is internally provided with stirring shafts which are horizontally distributed, a plurality of stirring paddles are arranged on the stirring shaft, one end of the stirring shaft is rotationally 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;
the filter comprises a filter cavity, and is characterized in that a liquid adding port is arranged on one side of the filter cavity, a top cover is arranged at the upper end of the filter cavity, a chute is arranged on the top cover, a plurality of sieve hoppers which are in sliding connection with the chute 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 chute, the sieve hoppers are connected with the driving assembly and the adjacent sieve hoppers through connecting rods, and a supporting frame for supporting the sieve hoppers is further arranged on the top cover and is in sliding connection with the supporting frame;
still including the support that is used for supporting mixing arrangement, be equipped with the axis of rotation on the support, the axis of rotation with the support rotates to be connected, axis of rotation one end with the lateral wall fixed connection in mixing chamber, the axis of rotation other end is fixed to be equipped with the rotation handle.
2. The method for producing an explosive for explosion welding according to claim 1, wherein the explosion velocity of the explosive for explosion welding is 1600 to 2800m/s.
3. The method for producing an explosive for explosion welding according to claim 1, wherein the mineral powder is one or more of diatomaceous earth, perlite, talc, and industrial salt.
4. The method for producing an explosive for explosion welding according to claim 1, wherein the particle size of the mineral powder is 20 to 140 mesh.
5. The method for producing an explosive for explosion welding according to claim 1, wherein a mass ratio of the mechanical oil to the mineral powder is 1:10-100.
6. The method for producing explosive for explosion welding according to claim 1, 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 pull rope is provided 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 provided between the rotating shaft and the bracket.
7. The method for preparing explosive for explosion welding according to claim 1, 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 incomplete gears matched with the racks are further arranged in the rotating cavity; the sieve fill includes the screening chamber, the 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, still be equipped with the screen cloth in the screening chamber, the screen cloth is located the upper end of reference column, one side of reference column is 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.
8. The method for preparing an explosive for explosion welding according to claim 1, wherein the liquid feeding device comprises a metering cavity and a mounting cavity connected with the metering cavity, a liquid inlet and a liquid outlet are formed in 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 of the sealing element, which is far away from the liquid outlet, a connecting sleeve is arranged in the mounting cavity, which penetrates through the side wall between the metering cavity and the mounting cavity, and is positioned in the mounting cavity, the connecting sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, a gear is fixedly arranged outside the connecting sleeve, a second motor is further arranged on one side of the mounting cavity, an output shaft of the second motor penetrates through the side wall of the mounting cavity and is connected with the gear transmission, one side, which is far away from the metering cavity, of the mounting cavity is further provided with a pressure relief hole, which is further extended, and the screw rod is further provided with the connecting sleeve, which is further extended, and is communicated with the mounting cavity.
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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| 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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| CN111170815A CN111170815A (en) | 2020-05-19 |
| CN111170815B true CN111170815B (en) | 2024-01-19 |
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| CN114736083B (en) * | 2022-04-01 | 2023-05-02 | 安徽理工大学 | Low-explosion-speed explosion welding granular emulsion explosive and preparation method thereof |
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| KR20190085278A (en) * | 2018-01-10 | 2019-07-18 | 슬로우맘푸드 (주) | A large blender with easy discharge and internal cleaning |
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| CN101474717A (en) * | 2009-02-16 | 2009-07-08 | 中国人民解放军理工大学工程兵工程学院 | Explosive welding technique of nuclear power equipment composite pipe fitting |
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| CN111170815A (en) | 2020-05-19 |
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