CN217931496U - Metal dust explosion tester - Google Patents

Metal dust explosion tester Download PDF

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Publication number
CN217931496U
CN217931496U CN202222147771.6U CN202222147771U CN217931496U CN 217931496 U CN217931496 U CN 217931496U CN 202222147771 U CN202222147771 U CN 202222147771U CN 217931496 U CN217931496 U CN 217931496U
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China
Prior art keywords
storehouse
dust
fixedly connected
explosion
metal dust
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CN202222147771.6U
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Inventor
丁小勇
李丹
诸王双
赵超琼
邹杨君
朱小丹
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Sichuan University of Science and Engineering
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Sichuan University of Science and Engineering
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Abstract

The utility model relates to a metal dust explosion tester, including the raise dust storehouse, the inside in raise dust storehouse is provided with complementary unit, complementary unit is including two restriction pieces, two the bottom of restriction piece respectively with the interior diapire fixed connection in raise dust storehouse, two the equal sliding connection in inside of restriction piece has one end to run through and extend to its outside restriction lever, two the relative one side fixedly connected with outer loop of restriction lever. This metal dust explosion tester through being provided with complementary unit to can reach and acutely shake the dust that will be located the corner, and then make collision each other between the dust and fly away to the air, thereby reach the high simulation raise dust effect, the pipeline corner that raise dust storehouse and explosion storehouse are constituteed more is close the production accident actual conditions, make the test aassessment and the actual conditions of dust explosion keep unanimous, and then make the protection of dust explosion and the danger of explosion aassessment more reliable.

Description

Metal dust explosion tester
Technical Field
The utility model relates to a dust explosion technical field specifically is a metal dust explosion tester.
Background
The dust explosion refers to dust cloud formed by mixing combustible dust with air in a limited space, under the action of an ignition source, the formed dust-air mixture is rapidly combusted, and a chemical reaction that the temperature and the pressure are rapidly increased is caused, the dust explosion is mostly in production and processing places accompanied with aluminum powder, zinc powder, aluminum material processing grinding powder and the like, and dust explosion accidents concern the life safety of people and the economic safety of enterprises, so that the national ever highly attaches importance to the protection and explosion hazard assessment of the dust explosion, the current 20L spherical explosion test tank and the current 1.2L Hartmann tube explosion device are main instruments for testing the dust explosion in the limited space, but have a certain deviation from the actual production, the dust is easy to accumulate at corners and is easily influenced by airflow to generate a dust raising effect, but the 20L spherical explosion test tank and the current 1.2L Hartmann tube explosion device in the existing experiments cannot simulate the dust raising effect, and the dust position is not located at corners, so that the test assessment of the dust explosion has a certain deviation from the actual situation.
At present among the prior art 20L spherical explosion test jar and 1.2L Hartmann pipe explosive device can't simulate the raise dust effect in workshop, and the dust position is not located the turning moreover, and then makes the test of dust explosion evaluate and actually have certain deviation, and then influences the protection of dust explosion and the evaluation of explosion hazard, so propose a metal dust explosion tester and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a metal dust explosion tester possesses the advantage of simulation raise dust effect, has solved the spherical explosion test tank of 20L and 1.2L hartmann pipe explosive device and can't simulate the raise dust effect in workshop, and the dust position is not located the turning moreover, and then makes the test aassessment and the actual certain deviation that exists of dust explosion, and then influences the protection of dust explosion and the problem of explosion hazard aassessment.
In order to achieve the above object, the utility model provides a following technical scheme: a metal dust explosion tester comprises a dust raising bin, wherein an auxiliary mechanism is arranged inside the dust raising bin;
the auxiliary mechanism is including two restriction pieces, two the bottom of restriction piece respectively with the interior diapire fixed connection in raise dust storehouse, two the equal sliding connection in inside of restriction piece has one end to run through and extend to its outside gag lever post, two the relative one side fixedly connected with outer loop of gag lever post, the top fixedly connected with storage dust storehouse of outer loop, slidable mounting has the inner ring between the inner chamber left and right sides wall of outer loop, the inner chamber right side wall fixedly connected with connecting block of inner ring, the bottom in raise dust storehouse is provided with actuating mechanism.
Further, actuating mechanism is including fixed storehouse, the top in fixed storehouse and the bottom fixed connection in raise dust storehouse, the interior diapire fixed mounting in fixed storehouse has the motor, the output shaft of motor passes through shaft coupling fixedly connected with motor shaft, the external fixed surface of motor shaft is connected with the worm, the interior diapire of fixed storehouse rotates and is connected with one end and runs through and extend to the outside main shaft of connecting block, the external fixed surface of main shaft is connected with the turbine with worm surface looks meshing.
Further, the right side fixedly connected with explosion storehouse of raise dust storehouse, the inside fixed mounting in raise dust storehouse has the ignition electrode, the internally mounted in raise dust storehouse has the combustible gas cylinder.
Further, the outer surface of the inner ring is fixedly connected with an annular strip, the inner wall of the outer ring is provided with an annular groove, and the inner surface of the annular groove is in sliding connection with the outer surface of the annular strip.
Further, the inner bottom wall fixed mounting in dust storage storehouse has a plurality of plectrums and is the crisscross distribution, the equal fixedly connected with thin iron wire of plectrum surface.
Furthermore, a through hole is formed in the bottom of the dust raising bin, and one end of the main shaft penetrates through the through hole and extends to the outside of the through hole.
Further, the base is fixedly installed on the right side wall of the inner cavity of the fixed bin, and the inner surface of the base is rotatably connected with the outer surface of the motor shaft.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this metal dust explosion tester, through being provided with complementary unit, thereby can reach and acutely shake the dust that will be located the turning, and then make collision each other between the dust and fly away to the air, thereby reach the high simulation raise dust effect, the pipeline turning that raise dust storehouse and explosion storehouse are constituteed is more close to the production accident actual conditions, make the test aassessment and the actual conditions of dust explosion keep unanimous, and then make the protection of dust explosion and the evaluation of explosion hazard more reliable, thereby make the practicality of metal dust explosion tester increase.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in the schematic structural diagram 1 of the present invention;
fig. 3 is a top view of the schematic structural diagram 1 of the present invention.
In the figure: 1 dust raising bin, 2 auxiliary mechanisms, 201 limiting blocks, 202 limiting rods, 203 outer rings, 204 dust storage bins, 205 inner rings, 206 connecting blocks, 207 driving mechanisms, 2071 fixed bins, 2072 motors, 2073 motor shafts, 2074 worms, 2075 main shafts, 2076 turbines, 3 explosion bins, 4 ignition electrodes and 5 combustible gas cylinders.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the metal dust explosion tester in the present embodiment includes a dust bin 1, an auxiliary mechanism 2 is disposed inside the dust bin 1, an explosion bin 3 is fixedly connected to the right side of the dust bin 1, an ignition electrode 4 is fixedly mounted inside the dust bin 1, and a combustible gas cylinder 5 is mounted inside the dust bin 1.
Specifically, through being provided with complementary unit 2, and then make between the dust collision each other in the raise to the air to reach the high simulation raise effect, the pipeline turning that raise dust storehouse 1 and explosion storehouse 3 are constituteed more is close the production accident actual conditions moreover, makes the test aassessment and the actual conditions of dust explosion keep unanimous, and then makes the protection of dust explosion and explosion hazard aassessment more reliable.
In this embodiment, the auxiliary mechanism 2 includes two limiting blocks 201, support is provided for the auxiliary mechanism 2, the bottoms of the two limiting blocks 201 are respectively fixedly connected with the inner bottom wall of the dust bin 1, the inside of the two limiting blocks 201 is respectively and slidably connected with a limiting rod 202, one end of the limiting rod is penetrated through and extends to the outside of the limiting rod 202, the opposite side of the two limiting rods 202 is fixedly connected with an outer ring 203, the top of the outer ring 203 is fixedly connected with a dust bin 204, the inner bottom wall of the dust bin 204 is fixedly provided with a plurality of shifting pieces and is in staggered distribution, fine iron wires are fixedly connected with the outer surfaces of the shifting pieces, dust collision inside the dust bin 204 is facilitated to be scattered into the air, an inner ring 205 is slidably mounted between the left side wall and the right side wall of an inner cavity of the outer ring 203, the outer surface of the inner ring 205 is fixedly connected with an annular strip, the inner surface of the annular ring is slidably connected with the outer surface of the annular strip, the outer ring 203 is convenient to rotate inside the annular groove, a connecting block 206 is fixedly connected with the right side wall of the inner cavity of the inner ring 205, the rotating connecting block 206 can drive the inner ring 205 to rotate, and the bottom of the dust bin 1 is provided with a driving mechanism 207.
Specifically, through being provided with dust storage bin 204, swivelling joint piece 206 drives inner ring 205 rotatory, and rotatory inner ring 205 extrudees outer loop 203 to the left and right sides for outer loop 203 drives restriction pole 202 synchronous motion under the supporting role of restriction piece 201, and then makes outer loop 203 drive the dust storage bin 204 at its top and controls the removal, makes the inside metal dust vibrations in dust storage bin 204, thereby reaches the purpose of scattering the powder to the air.
In this embodiment, the driving mechanism 207 includes a fixed bin 2071, make things convenient for the installation and operation of the partial subassembly of driving mechanism 207, the top of fixed bin 2071 and the bottom fixed connection of raise dust bin 1, the inner bottom wall fixed mounting of fixed bin 2071 has a motor 2072, the output shaft of motor 2072 passes through shaft coupling fixedly connected with motor shaft 2073, the inner cavity right side wall fixed mounting of fixed bin 2071 has a base, the internal surface of base and the surface of motor shaft 2073 rotate to be connected, make things convenient for the rotation of motor shaft 2073, the surface fixed connection of motor shaft 2073 has a worm 2074, the inner bottom wall of fixed bin 2071 rotates and is connected with the main shaft 2075 that one end runs through and extends to the outside of connecting block 206, the through-hole has been seted up to the bottom of raise dust bin 1, the one end of main shaft 2075 runs through and extends to the outside of through-hole, make things convenient for the rotation of main shaft 2075, the surface fixed connection of main shaft 2075 has a turbine 2076 that meshes with the surface of worm and worm outer surface, make the worm 2074 can drive turbine 2076 rotatory.
Specifically, through being provided with main shaft 2075, starter motor 2072 drive motor shaft 2073 is rotatory, and then makes the worm 2074 synchronous revolution of motor shaft 2073 surface, and rotatory worm 2074 drives the turbine 2076 rotation rather than the meshing mutually for main shaft 2075 synchronous revolution, and then reach the rotatory purpose of connecting block 206 that drives main shaft 2075 surface.
The working principle of the embodiment is as follows:
when a metal dust explosion test is performed by the metal dust explosion tester, the motor 2072 inside the fixed bin 2071 is started, so that the motor 2072 drives the motor shaft 2073 to rotate, and further the worm 2074 on the outer surface of the motor shaft 2073 synchronously rotates, the rotating worm 2074 drives the turbine 2076 engaged with the rotating worm 2074 to rotate, so that the main shaft 2075 synchronously rotates, and further drives the connecting block 206 on the outer surface thereof to rotate, so that the connecting block 206 drives the inner ring 205 to rotate, the rotating inner ring 205 extrudes the outer ring 203 towards the left and right sides, under the supporting action of the limiting block 201, the outer ring 203 drives the limiting rod 202 to synchronously move, and further the outer ring 203 drives the dust storage bin 204 at the top thereof to move left and right, so that the metal dust inside the dust storage bin 204 vibrates, under the influence of the pick, so that the dust collides with each other and is scattered into the air, and further a dust-simulating effect is produced, then the ignition electrode 4 is started, the combustible gas bottle 5 is ignited to ignite the metal dust, and the metal dust explosion test is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a metal dust explosion tester, includes raise dust storehouse (1), its characterized in that: an auxiliary mechanism (2) is arranged inside the dust raising bin (1);
complementary unit (2) are including two restriction piece (201), two the bottom of restriction piece (201) respectively with the interior diapire fixed connection in raise dust storehouse (1), two the equal sliding connection in inside of restriction piece (201) has one end to run through and extend to its outside restriction lever (202), two the relative one side fixedly connected with outer loop (203) of restriction lever (202), the top fixedly connected with of outer loop (203) stores up dirt storehouse (204), slidable mounting has inner ring (205) between the inner chamber left and right sides wall of outer loop (203), the inner chamber right side wall fixedly connected with connecting block (206) of inner ring (205), the bottom in raise dust storehouse (1) is provided with actuating mechanism (207).
2. A metal dust explosion tester according to claim 1, wherein: actuating mechanism (207) is including fixed storehouse (2071), the top of fixed storehouse (2071) and the bottom fixed connection of raise dust storehouse (1), the inner bottom wall fixed mounting of fixed storehouse (2071) has motor (2072), the output shaft of motor (2072) passes through shaft coupling fixedly connected with motor shaft (2073), the external surface fixedly connected with worm (2074) of motor shaft (2073), the inner bottom wall of fixed storehouse (2071) rotates and is connected with one end and runs through and extend to connecting block (206) outside main shaft (2075), the external surface fixedly connected with of main shaft (2075) and worm (2074) surface engaged with turbine (2076).
3. A metal dust explosion tester according to claim 1, wherein: the right side fixedly connected with explosion storehouse (3) of dusting storehouse (1), the inside fixed mounting in dusting storehouse (1) has ignition electrode (4), the internally mounted in dusting storehouse (1) has combustible gas cylinder (5).
4. A metal dust explosion tester according to claim 1, wherein: the outer surface of the inner ring (205) is fixedly connected with an annular strip, the inner wall of the outer ring (203) is provided with an annular groove, and the inner surface of the annular groove is in sliding connection with the outer surface of the annular strip.
5. A metal dust explosion tester according to claim 1, wherein: the inner bottom wall of the dust storage bin (204) is fixedly provided with a plurality of shifting pieces which are distributed in a staggered manner, and the outer surfaces of the shifting pieces are fixedly connected with thin iron wires.
6. A metal dust explosion tester according to claim 2, wherein: the bottom of the dust raising bin (1) is provided with a through hole, and one end of the main shaft (2075) penetrates through and extends to the outside of the through hole.
7. A metal dust explosion tester according to claim 2, wherein: the inner cavity right side wall of the fixed bin (2071) is fixedly provided with a base, and the inner surface of the base is rotatably connected with the outer surface of the motor shaft (2073).
CN202222147771.6U 2022-08-16 2022-08-16 Metal dust explosion tester Active CN217931496U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222147771.6U CN217931496U (en) 2022-08-16 2022-08-16 Metal dust explosion tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222147771.6U CN217931496U (en) 2022-08-16 2022-08-16 Metal dust explosion tester

Publications (1)

Publication Number Publication Date
CN217931496U true CN217931496U (en) 2022-11-29

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ID=84162616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222147771.6U Active CN217931496U (en) 2022-08-16 2022-08-16 Metal dust explosion tester

Country Status (1)

Country Link
CN (1) CN217931496U (en)

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