CN213222369U - Semi coke reducing mechanism for production moulded coal - Google Patents
Semi coke reducing mechanism for production moulded coal Download PDFInfo
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- CN213222369U CN213222369U CN202021215707.1U CN202021215707U CN213222369U CN 213222369 U CN213222369 U CN 213222369U CN 202021215707 U CN202021215707 U CN 202021215707U CN 213222369 U CN213222369 U CN 213222369U
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- coke
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- 239000000571 coke Substances 0.000 title claims abstract description 40
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000004484 Briquette Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000003610 charcoal Substances 0.000 abstract description 10
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000009798 Shen-Fu Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a semi coke reducing mechanism for producing molded coal. Production semi coke reducing mechanism for moulded coal includes first crushing case, the case is smashed to the second, the sieve, moving mechanism, stop mechanism, reciprocating mechanism, adjustment mechanism and collection mechanism, there are two sets of first crushing rollers of mutually supporting in the inside of spout through pivot sliding connection, the output end fixed mounting of second motor has the crushing roller of second, on the inside wall of the first crushing case that the sieve slope set up, stop mechanism installs the inside at the feeder hopper, reciprocating mechanism installs the inside at first box, fixed mounting has the second box on the lateral wall of first crushing case, adjustment mechanism installs the inside at the second box. The utility model provides a production blue charcoal reducing mechanism for moulded coal has can adjust the distance between two sets of crushing rollers in the reducing mechanism, is fit for smashing the blue charcoal of equidimension not to can prevent that the feed inlet from causing the advantage of jam.
Description
Technical Field
The utility model relates to a coal processing technology field especially relates to a production semi coke reducing mechanism for moulded coal.
Background
The semi coke is fired by high-quality Jurasol clean coal blocks produced in Shenfu coal fields, is used as a novel carbon material, is widely applied to the production of products such as calcium carbide, ferroalloy, ferrosilicon, silicon carbide and the like by gradually replacing metallurgical coke due to the characteristics of high fixed carbon, high specific resistance, high chemical activity, low ash content, low aluminum, low sulfur and low phosphorus, becomes an irreplaceable carbon material, can be widely applied to the industries such as chemical industry, smelting, gas making and the like by replacing the coke, and needs to be broken into small blocks by mechanical energy for more complete combustion.
At present, most of crushing devices crush and crush semi-coke through two groups of crushing rollers, but the distance between the two groups of crushing rollers is fixed and cannot be adjusted, and the phenomenon of incomplete crushing can occur when the semi-coke to be crushed is too large or too small.
Therefore, it is necessary to provide a semi-coke crushing device for producing briquette coal to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can adjust the distance between two sets of crushing rollers in the reducing mechanism, be fit for smashing the blue charcoal of equidimension not to can prevent that the feed inlet from causing the production moulded coal of jam to use blue charcoal reducing mechanism.
In order to solve the technical problem, the utility model provides a production semi coke reducing mechanism for moulded coal includes: the top of the first crushing box is fixedly provided with a feed hopper, the side wall of the first crushing box is provided with a chute, the inside of the chute is connected with two groups of mutually matched first crushing rollers in a sliding manner through a rotating shaft, and the other end of the rotating shaft is fixedly provided with a first motor; the side wall of the second crushing box is fixedly provided with two groups of second motors which are symmetrically arranged, and the output end of each second motor is fixedly provided with a second crushing roller; the screen plate is arranged on the inner side wall of the first crushing box at one end of the screen plate in an inclined mode, and the other end of the screen plate penetrates through the side wall of the first crushing box and extends into the second crushing box; the moving mechanism comprises a supporting plate and a sliding block, the supporting plate is fixedly arranged at the bottom of the first motor, and the sliding block is fixedly arranged at the bottom of the supporting plate; the blocking mechanism is arranged inside the feed hopper; two groups of first box bodies which are symmetrically arranged are fixedly arranged on the side walls of two ends of the reciprocating mechanism and the feed hopper, and the reciprocating mechanism is arranged in the first box bodies; the side wall of the first crushing box is fixedly provided with a second box body, and the adjusting mechanism is arranged in the second box body; and the collecting mechanism is arranged at the bottoms of the first crushing box and the second crushing box.
Preferably, the adjusting mechanism comprises a driving bevel gear, a driven bevel gear and a screw rod, the driving bevel gear is fixedly mounted on the inner wall of the second box body, the screw rods are rotatably connected to the side walls of the two ends of the second box body, the driven bevel gear is fixedly connected with one end, located inside the second box body, of the screw rod, and the sliding block is in threaded connection with one end, located outside the second box body, of the screw rod.
Preferably, stop mechanism includes push rod and baffle, push rod sliding connection is on the lateral wall of first box and feeder hopper, the baffle is located the inside one end fixed connection of feeder hopper with the push rod.
Preferably, the reciprocating mechanism comprises a third motor, a cam, a rolling ball and a spring, the third motor is fixedly installed on the inner wall of the first box body, the rolling ball is fixedly connected with one end, located inside the first box body, of the push rod, and the spring is connected in series to the rod wall, located inside the first box body, of the push rod.
Preferably, one end of the spring is fixedly connected with the inner side wall of the first box body, and the other end of the spring is fixedly connected with one end, close to the spring, of the push rod.
Preferably, the collecting mechanism comprises a collecting box and a box door, the collecting box is fixedly arranged at the bottom of the first crushing box and the bottom of the second crushing box, the bottom of the first crushing box and the bottom of the second crushing box are provided with blanking ports communicated with the collecting box, and the side wall of the collecting box is fixedly provided with the box door.
Compared with the prior art, the utility model provides a production semi coke reducing mechanism for moulded coal has following beneficial effect:
the utility model provides a production semi coke reducing mechanism for moulded coal, throw into the feeder hopper the inside with needs kibbling semi coke, can drive the push rod through reciprocating mechanism and make a round trip to slide, thereby can drive the continuous one end of baffle, block the feeder hopper and open again, make semi coke can intermittent type fall to first crushing case, prevent to once throw in excessive semi coke and cause the jam, and according to the size of semi coke, can drive through adjustment mechanism and support ann round trip movement, thereby drive two sets of first crushing roller inter displacement adjusting distance through two sets of first motors, and the sieve can arrange not kibbling thorough semi coke and carry out the regrinding in the second crushing case, thereby can adjust the distance between two sets of crushing rollers in the reducing mechanism, be fit for smashing the not semi coke of equidimension, and can prevent that the feed inlet from causing the jam.
Drawings
FIG. 1 is a schematic structural view of a semi-coke crushing device for producing molded coal provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the first crushing box and the second crushing box shown in FIG. 1;
FIG. 3 is a schematic view of the adjustment mechanism shown in FIG. 1;
fig. 4 is a schematic view of an internal structure of the first casing shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a first crushing box, 2, a reciprocating mechanism, 21, a third motor, 22, a cam, 23, a rolling ball, 24, a spring, 3, a first box body, 4, a second box body, 5, a moving mechanism, 51, a supporting plate, 52, a sliding block, 6, an adjusting mechanism, 61, a driving bevel gear, 62, a driven bevel gear, 63, a screw rod, 7, a second crushing box, 8, a blocking mechanism, 81, a push rod, 82, a baffle, 9, a collecting mechanism, 91, a collecting box, 92, a box door, 9a, a first crushing roller, 9b, a first motor, 9c, a sliding groove, 9d, a second crushing roller, 9e, a second motor, 9f, a feeding hopper, 9g, a sieve plate, 9h and a blanking port.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a semi-coke crushing device for producing molded coal according to the present invention; FIG. 2 is a schematic view of the internal structure of the first crushing box and the second crushing box shown in FIG. 1; FIG. 3 is a schematic view of the adjustment mechanism shown in FIG. 1; fig. 4 is a schematic view of an internal structure of the first casing shown in fig. 1. Production semi coke reducing mechanism for moulded coal includes: the device comprises a first crushing box 1, a second crushing box 7, a sieve plate 9g, a moving mechanism 5, a blocking mechanism 8, a reciprocating mechanism 2, an adjusting mechanism 6 and a collecting mechanism 9.
In the specific implementation process, as shown in fig. 1 and 2, top fixed mounting of first crushing case 1 has feeder hopper 9f, spout 9c has been seted up on the first crushing case 1 lateral wall, there are two sets of first crushing rollers 9a of mutually supporting in spout 9 c's inside through pivot sliding connection, the other end fixed mounting of pivot has first motor 9b, fixed mounting has two sets of second motors 9e that the symmetry set up on the lateral wall of second crushing case 7, the output end fixed mounting of second motor 9e has second crushing roller 9d, on the inside wall of the first crushing case 1 that the one end slope of sieve 9g set up, the other end of sieve 9g passes the inside that the lateral wall of first crushing case 1 extends to second crushing case 7.
The collecting mechanism 9 comprises a collecting box 91 and a box door 92, the collecting box 91 is fixedly arranged at the bottom of the first crushing box 1 and the bottom of the second crushing box 7, a blanking port 9h communicated with the collecting box 91 is formed at the bottom of the first crushing box 1 and the bottom of the second crushing box 7, and the box door 92 is fixedly arranged on the side wall of the collecting box 91
It should be noted that: the semi-coke that will need to be smashed is thrown into from feeder hopper 9f and is smashed between two sets of first crushing roller 9a of first crushing incasement portion, and the semi-coke after smashing can fall to sieve 9g and carry out the screening, the granule is little can directly fall to the bottom of first crushing case 1 and fall to collecting box 91 from blanking mouth 9h, and not by first crushing roller powder 9a smash thorough great piece can roll from sieve 9g and fall to carry out the secondary crushing between two sets of second crushing roller 9d in second crushing case 7, because the distance between two sets of second crushing roller 9d is very little, so can make the kibbling more thorough of semi-coke, then the semi-coke after smashing falls to collecting box 91 from blanking mouth 9h again.
Referring to fig. 2 and 3, the moving mechanism 5 includes a support plate 51 and a slider 52, the support plate 51 is fixedly installed at the bottom of the first motor 9b, and the slider 52 is fixedly installed at the bottom of the support plate 51.
The adjusting mechanism 6 comprises a driving bevel gear 61, a driven bevel gear 62 and a screw rod 63, the driving bevel gear 61 is fixedly installed on the inner wall of the second box 4, the side walls of the two ends of the second box 4 are rotatably connected with the screw rod 63, the driven bevel gear 62 and the screw rod 63 are fixedly connected with one end of the second box 4, and the slide block 52 and the screw rod 63 are in threaded connection with one end of the second box 4, which is outside.
It should be noted that: according to the size of blue charcoal, then rotate through drive bevel gear 61 and drive two sets of driven bevel gear 62 and rotate, two sets of driven bevel gear 62 then can drive two sets of lead screws 63 and rotate to drive backup pad 51 through slider 52 and remove, so can drive two sets of first motors 9b and make a round trip to slide, adjust suitable position to the distance between two sets of first crushing roller 9a, conveniently smash blue charcoal under different sizes.
Referring to fig. 3 and 4, the blocking mechanism 8 includes a push rod 81 and a baffle 82, the push rod 81 is slidably connected to the side walls of the first casing 3 and the feeding hopper 9f, and the baffle 82 is fixedly connected to one end of the push rod 81 located inside the feeding hopper 9 f.
The reciprocating mechanism 2 comprises a third motor 21, a cam 22, a rolling ball 23 and a spring 24, the third motor 21 is fixedly installed on the inner wall of the first box 3, the rolling ball 23 is fixedly connected with one end, located inside the first box 3, of the push rod 81, and the spring 24 is connected in series on the rod wall, located inside the first box 3, of the push rod 81.
One end of the spring 24 is fixedly connected with the inner side wall of the first box 3, and the other end of the spring 24 is fixedly connected with one end of the push rod 81 close to the spring 24.
It should be noted that: can drive rather than output end fixed connection's cam 22 rotation through the work of third motor 21, can extrude spin 23 and drive push rod 81 and slide to the inside of feeder hopper 9f when cam 22 rotates the microcephaly and contacts with spin 23, and make the compression of spring 24 atress, and when cam 22 rotated the major part and contact with spin 23, spring 24 can the atress relieve and drive push rod 81 antiport and reset, thereby make push rod 81 can drive baffle 82 at the inside round trip movement of feeder hopper 9f, constantly block up feeder hopper 9f and relieve, make blue charcoal can intermittent type fall on two sets of first crushing roller 9a in first crushing case 1, prevent to cause the jam to the feed inlet of feeder hopper 9 f.
The utility model provides a production semi coke reducing mechanism for moulded coal's theory of operation as follows:
firstly, according to the size of the semi-coke, then, the bevel gear 61 is driven to rotate to drive the two groups of driven bevel gears 62 to rotate, the two groups of driven bevel gears 62 can drive the two groups of screw rods 63 to rotate, so that the supporting plate 51 is driven to move through the slide block 52, so that the two groups of first motors 9b can be driven to slide back and forth, the distance between the two groups of first crushing rollers 9a is adjusted to a proper position, the semi-coke to be crushed is conveniently crushed between the two groups of first crushing rollers 9a in the first crushing box 1 from the feed hopper 9f, the semi-coke to be crushed is crushed between the two groups of first crushing rollers 9a in the first crushing box 1 after the distance between the two groups of first crushing rollers 9a is adjusted, at the moment, the cam 22 fixedly connected with the output end of the semi-coke is driven to rotate through the third motor 21, when the cam 22 rotates to enable the small head, and the spring 24 is stressed and compressed, when the cam 22 rotates to the big end to contact with the rolling ball 23, the spring 24 is stressed and released and drives the push rod 81 to move reversely and reset, so that the push rod 81 can drive the baffle 82 to move back and forth in the feed hopper 9f, the feed hopper 9f is blocked and released continuously, the semi coke can fall onto two groups of first crushing rollers 9a in the first crushing box 1 intermittently, the feed inlet of the feed hopper 9f is prevented from being blocked, the crushed semi coke can fall onto the sieve plate 9g for screening, small particles can directly fall onto the bottom of the first crushing box 1 and fall into the collection box 91 from the discharge port 9h, larger blocks which are not crushed by the first crushing roller powder 9a completely can fall onto the sieve plate 9g to perform secondary crushing between two groups of second crushing rollers 9d in the second crushing box 7, and because the distance between the two groups of second crushing rollers 9d is very small, so can make the kibbling more thoroughly of blue charcoal, then the blue charcoal after being smashed falls to collecting box 91 from blanking mouth 9h again to can adjust the distance between two sets of crushing rollers in the reducing mechanism, be fit for smashing the blue charcoal of equidimension not, and can prevent that the feed inlet from causing the jam.
The utility model discloses well first motor 9b, second motor 9e and third motor 21 adopt Y80M1-2 model, and first motor 9b, second motor 9e and the operation of third motor 21 are current conventional circuit, and the power supply interface of first motor 9b, second motor 9e and third motor 21 passes through the switch and connects power supply system, realizes the rotation control of first motor 9b, second motor 9e and third motor 21, the utility model discloses in circuit and control that relate to be prior art, do not carry out too much repeated description here.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a production semi coke reducing mechanism for moulded coal which characterized in that includes:
the crushing device comprises a first crushing box (1), wherein a feed hopper (9 f) is fixedly installed at the top of the first crushing box (1), a sliding groove (9 c) is formed in the side wall of the first crushing box (1), two groups of first crushing rollers (9 a) which are matched with each other are connected inside the sliding groove (9 c) in a sliding mode through a rotating shaft, and a first motor (9 b) is fixedly installed at the other end of the rotating shaft;
the side wall of the second crushing box (7) is fixedly provided with two groups of second motors (9 e) which are symmetrically arranged, and the output end of each second motor (9 e) is fixedly provided with a second crushing roller (9 d);
the screen plate (9 g), one end of the screen plate (9 g) is obliquely arranged on the inner side wall of the first crushing box (1), and the other end of the screen plate (9 g) penetrates through the side wall of the first crushing box (1) and extends to the inside of the second crushing box (7);
the moving mechanism (5) comprises a supporting plate (51) and a sliding block (52), the supporting plate (51) is fixedly arranged at the bottom of the first motor (9 b), and the sliding block (52) is fixedly arranged at the bottom of the supporting plate (51);
a blocking mechanism (8), the blocking mechanism (8) being mounted inside the feed hopper (9 f);
the two ends of the side wall of the feed hopper (9 f) are fixedly provided with two groups of first box bodies (3) which are symmetrically arranged, and the reciprocating mechanism (2) is arranged in the first box bodies (3);
the side wall of the first crushing box (1) is fixedly provided with a second box body (4), and the adjusting mechanism (6) is arranged in the second box body (4);
and the collecting mechanism (9), wherein the collecting mechanism (9) is arranged at the bottom of the first crushing box (1) and the second crushing box (7).
2. The semi-coke crushing device for producing molding coal according to claim 1, wherein the adjusting mechanism (6) comprises a driving bevel gear (61), a driven bevel gear (62) and a screw rod (63), the driving bevel gear (61) is fixedly installed on the inner wall of the second box body (4), the screw rod (63) is rotatably connected to the side walls of the two ends of the second box body (4), the driven bevel gear (62) is fixedly connected with one end, located inside the second box body (4), of the screw rod (63), and the sliding block (52) is in threaded connection with one end, located outside the second box body (4), of the screw rod (63).
3. The semi-coke crushing device for producing molded coal according to claim 1, wherein the blocking mechanism (8) comprises a push rod (81) and a baffle plate (82), the push rod (81) is slidably connected to the side walls of the first box body (3) and the feed hopper (9 f), and the baffle plate (82) is fixedly connected with one end, located inside the feed hopper (9 f), of the push rod (81).
4. The semi-coke crushing device for the production type coal according to claim 1, wherein the reciprocating mechanism (2) comprises a third motor (21), a cam (22), a rolling ball (23) and a spring (24), the third motor (21) is fixedly installed on the inner wall of the first box body (3), the rolling ball (23) is fixedly connected with one end, located inside the first box body (3), of a push rod (81), and the spring (24) is connected in series on the rod wall, located inside the first box body (3), of the push rod (81).
5. The semi-coke crushing device for the production of molded coal according to claim 4, wherein one end of the spring (24) is fixedly connected with the inner side wall of the first box body (3), and the other end of the spring (24) is fixedly connected with one end of the push rod (81) close to the spring (24).
6. The semi-coke crushing device for producing coal briquette according to claim 1, wherein the collecting mechanism (9) comprises a collecting box (91) and a box door (92), the collecting box (91) is fixedly arranged at the bottom of the first crushing box (1) and the second crushing box (7), a blanking port (9 h) communicated with the collecting box (91) is formed at the bottom of the first crushing box (1) and the second crushing box (7), and the box door (92) is fixedly arranged on the side wall of the collecting box (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215707.1U CN213222369U (en) | 2020-06-28 | 2020-06-28 | Semi coke reducing mechanism for production moulded coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215707.1U CN213222369U (en) | 2020-06-28 | 2020-06-28 | Semi coke reducing mechanism for production moulded coal |
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| Publication Number | Publication Date |
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| CN213222369U true CN213222369U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021215707.1U Active CN213222369U (en) | 2020-06-28 | 2020-06-28 | Semi coke reducing mechanism for production moulded coal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877713A (en) * | 2021-10-12 | 2022-01-04 | 李秋实 | New energy automobile battery feed mechanism for breaker |
| CN114578019A (en) * | 2022-03-24 | 2022-06-03 | 北京美能天成科技有限公司 | Coal quality quick chemical examination device |
-
2020
- 2020-06-28 CN CN202021215707.1U patent/CN213222369U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877713A (en) * | 2021-10-12 | 2022-01-04 | 李秋实 | New energy automobile battery feed mechanism for breaker |
| CN114578019A (en) * | 2022-03-24 | 2022-06-03 | 北京美能天成科技有限公司 | Coal quality quick chemical examination device |
| CN114578019B (en) * | 2022-03-24 | 2023-08-08 | 北京美能天成科技有限公司 | Quick testing device for coal quality |
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