CN111715350B - Noise elimination leak protection material ball mill - Google Patents
Noise elimination leak protection material ball mill Download PDFInfo
- Publication number
- CN111715350B CN111715350B CN202010509978.6A CN202010509978A CN111715350B CN 111715350 B CN111715350 B CN 111715350B CN 202010509978 A CN202010509978 A CN 202010509978A CN 111715350 B CN111715350 B CN 111715350B
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- ball mill
- plate
- material collecting
- noise elimination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to a noise elimination and material leakage prevention ball mill which comprises a ball mill body, a ball mill rotating structure, a ball mill front supporting structure, a ball mill rear supporting structure, a carrying bottom plate, a protection noise elimination structure and a material leakage collecting device, wherein the protection noise elimination structure consists of an arched protection cover, a front disassembly protection plate and a bottom side sealing base plate. The invention optimizes the setting of the ball mill, changes the structure of the traditional ball mill without external protection, improves the structure into the external protection with noise elimination effect, can centralize and collect maintenance machine materials of the ball mill, adopts the uniquely designed noise elimination structure, has built-in noise elimination peak, has excellent noise elimination effect, can reduce the noise of the ball mill, plays a protection role for workers, does not need to stop the ball mill to wipe and collect the maintenance machine materials, is convenient and effective, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a silencing and material leakage preventing ball mill.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. The ore mill is characterized in that a certain amount of steel balls are filled in a cylinder body of the ore mill to serve as grinding media, however, the steel balls in the ball mill can generate great sound when impacting a lining of the ball mill, the damage to workers is caused, and after the lining is replaced in the ball mill every time, the phenomenon of material leakage can occur due to the fact that external connecting bolts of the ball mill are not tightly fixed, and in order to improve the phenomenon, the noise-eliminating and material-leakage-preventing ball mill is designed.
Disclosure of Invention
The invention aims to provide a silencing and material leakage preventing ball mill, which aims to solve the technical problems and adopts the following technical scheme for realizing the aim:
a noise elimination and leakage prevention ball mill comprises a ball mill body, a ball mill rotating structure, a ball mill front supporting structure, a ball mill rear supporting structure, a carrying bottom plate, a protection noise elimination structure and a leakage collection device, wherein the ball mill front supporting structure is arranged at the bottom side of the front end of the ball mill body, the ball mill rear supporting structure is arranged at the bottom side of the rear end of the ball mill body, the ball mill front supporting structure is fixed at the front top surface of the carrying bottom plate, the ball mill rear supporting structure is fixed at the rear top surface of the carrying bottom plate, the ball mill rotating structure is arranged at the outer side surface of the front end of the ball mill body, the ball mill rotating structure and the ball mill body are integrally formed, the leakage collection device is fixed between the ball mill front supporting structure and the ball mill rear supporting structure, the leakage collection device is arranged at the bottom side of the ball mill body, and does not contact with the bottom side surface of the ball mill body, the protective silencing structure is arranged on the outer sides of the ball mill body, the front support structure of the ball mill and the rear support structure of the ball mill, the protective silencing structure is fixed on the side edge of the top surface of the carrying bottom plate through bolts, and the ball mill body can rotate in the front support structure of the ball mill and the rear support structure of the ball mill.
On the basis of the technical scheme, the leaked material collecting device consists of a material collecting plate, a material discharging pipe, a material collecting box, a material discharging pipe and a pipe end switch, wherein the rear end of the material collecting plate is fixed on the front side surface of a supporting structure behind the ball mill, the material collecting plate is wrapped on the bottom side surface of the ball mill body and is not contacted with the ball mill body, the material discharging pipe is provided with a plurality of groups, the material discharging pipe of the groups are arranged at the lowest side of the material collecting plate in an equidistant mode, the material collecting pipe is arranged at the bottom side of the material collecting plate, the bottom end of the material discharging pipe is connected with the material collecting pipe, the material collecting box is fixed on the rear side surface of the front supporting structure of the ball mill, the rear end of the material collecting pipe is connected with the material discharging pipe, the front end of the material collecting pipe is connected with the material collecting box, the rear end of the material collecting pipe is higher than the horizontal position of the front end of the material collecting pipe, the material discharging pipe is connected at the front side of the material collecting box, and the material discharging pipe passes through the front supporting structure of the ball mill, the pipe end switch is connected to the front end of the discharge pipe.
On the basis of the technical scheme, the protection noise elimination structure comprises an arched protection cover, a front disassembly protection plate and bottom side closed base plates, wherein the bottom side closed base plates are provided with two groups, the two groups of bottom side closed base plates are respectively arranged at the bottom ends of the two sides of the arched protection cover, the front disassembly protection plate is connected to the front inner side of the arched protection cover through bolts, the two sides of the arched protection cover and the bottom side closed base plates are respectively provided with corresponding bolt holes, and the bolts sequentially penetrate through the bolt holes of the arched protection cover and the bottom side closed base plates and are fixed on the carrying bottom plate.
On the basis of the technical scheme, the arched protective cover and the front disassembly protective plate are composed of an outer deck, a double-plate middle spacer, a porous plate and an abnormal peak silencing plate, the double-plate middle spacer is provided with a plurality of groups, the groups of double-plate middle spacer are arranged at equal intervals, the bottom end of the double-plate middle spacer is arranged on the top surface of the outer deck, the top end of the double-plate middle spacer is arranged on the bottom surface of the porous plate, the outer deck, the double-plate middle spacer and the porous plate are integrally formed, the abnormal peak silencing plate is adhered to the top surface of the porous plate through a gluing material, the porous plate is provided with a plurality of groups of through holes, and the groups of through holes are arranged at equal intervals on the porous plate.
On the basis of the technical scheme, the different-peak silencing plate is composed of a plurality of groups of silencing peaks with different sizes, the groups of silencing peaks are arranged in parallel, the groups of silencing peaks are all pasted on the porous plate through a gluing material, a plurality of groups of wide-mouth sound absorption ports are formed in the side face of each silencing peak, the groups of wide-mouth sound absorption ports are arranged on the side face of each silencing peak at equal intervals, a silencing cavity is formed in the center of each silencing peak, symmetrical creeping sound channels are formed in the side face of each silencing cavity, the creeping sound channels are communicated with the wide-mouth sound absorption ports through sound transmission channels, the silencing cavity, the creeping sound channels, the sound transmission channels and the wide-mouth sound absorption ports are communicated in sequence, and no gluing material is arranged on the bottom side of the silencing cavity.
On the basis of the technical scheme, the gluing material is a water-based adhesive material, the bottom side closed base plate and the noise elimination peak are made of polyester fiber hot-pressing cotton materials, the outer deck, the double-plate middle partition column and the porous plate are made of stainless steel plates, and the material collecting plate, the material discharging pipe fitting, the material collecting pipe, the material collecting box, the material discharging pipe and the pipe end switch are all made of cast iron materials.
Compared with the prior art, the invention has the following advantages: the ball mill has the advantages that the arrangement of the ball mill is optimized, the structure without external protection of the traditional ball mill is changed, the external protection with the noise elimination effect is added, the equipment can perform the functions of centralizing and collecting maintenance machine materials of the ball mill, the uniquely designed noise elimination structure is adopted by the equipment, the built-in noise elimination peak has excellent noise elimination effect, the noise of the ball mill can be reduced, the protection effect is realized for workers, the ball mill is not required to be stopped for wiping and collecting the maintenance machine materials, the noise elimination structure of the equipment is designed into an integral structure, the disassembly of the internal maintenance of the ball mill is convenient, the convenience and the effectiveness are realized, and the popularization and the use are suitable.
Drawings
Fig. 1 is a general appearance state diagram of the present invention.
Fig. 2 is a schematic view of the unprotected muffling structure of the present invention.
FIG. 3 is a schematic side cross-sectional plan view of the present invention.
Fig. 4 is a schematic view of the protection and noise elimination structure of the invention.
FIG. 5 is a detailed view of the arched shield and front disassembly fender of the present invention.
FIG. 6 is a schematic structural view of a cross section of a sound-deadening peak according to the present invention.
In the figure: the ball mill comprises a ball mill body 1, a ball mill rotating structure 2, a ball mill front supporting structure 3, a ball mill rear supporting structure 4, a carrying bottom plate 5, a protection noise elimination structure 6, a leaked material collecting device 7, bolts 8, a material collecting plate 9, a material discharging pipe fitting 10, a material collecting pipe 11, a material collecting box 12, a material discharging pipe 13, a pipe end switch 14, an arched protective cover 15, a front disassembly protective plate 16, a bottom side sealing base plate 17, bolt holes 18, an outer deck 19, a double-plate middle partition column 20, a porous plate 21, an abnormal peak noise elimination plate 22, a gluing material 23, a through hole 24, a noise elimination peak 25, a sound absorption port 26, a noise elimination cavity 27, a creeping sound channel 28 and a sound transmission channel 29.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
A noise elimination leakage prevention ball mill comprises a ball mill body 1, a ball mill rotating structure 2, a ball mill front supporting structure 3, a ball mill rear supporting structure 4, a carrying bottom plate 5, a protection noise elimination structure 6 and a leakage collection device 7, wherein the ball mill front supporting structure 3 is arranged on the front end bottom side of the ball mill body 1, the ball mill rear supporting structure 4 is arranged on the rear end bottom side of the ball mill body 1, the ball mill front supporting structure 3 is fixed on the front top surface of the carrying bottom plate 5, the ball mill rear supporting structure 4 is fixed on the rear top surface of the carrying bottom plate 5, the ball mill rotating structure 2 is arranged on the front end outer side surface of the ball mill body 1, the ball mill rotating structure 2 and the ball mill body 1 are integrally formed, the leakage collection device 7 is fixed between the ball mill front supporting structure 3 and the ball mill rear supporting structure 4, and the leakage collection device 7 is arranged on the bottom side of the ball mill body 1, and leak material collection device 7 and do not contact the bottom side of ball mill body 1, protection noise-abatement structure 6 is established in the ball mill body 1, before the ball mill bearing structure 3, the outside of bearing structure 4 behind the ball mill, and protection noise-abatement structure 6 passes through bolt 8 to be fixed at the top surface side of carrying bottom plate 5, bearing structure 3 behind ball mill, the internal rotation of bearing structure 4 behind the ball mill before ball mill can be to ball mill body 1.
The leaked material collecting device 7 comprises a material collecting plate 9, a material discharging pipe 10, a material collecting pipe 11, a material collecting box 12, a material discharging pipe 13 and a pipe end switch 14, wherein the rear end of the material collecting plate 9 is fixed on the front side surface of the ball mill rear supporting structure 4, the material collecting plate 9 is wrapped on the bottom side surface of the ball mill body 1, the material collecting plate 9 is not contacted with the ball mill body 1, the material discharging pipe 10 is provided with a plurality of groups, the material discharging pipe 10 of the groups are arranged at the lowest side of the material collecting plate 9 in an equidistant manner, the material collecting pipe 11 is arranged at the bottom side of the material collecting plate 9, the bottom end of the material discharging pipe 10 is connected with the material collecting pipe 11, the material collecting box 12 is fixed on the rear side surface of the ball mill front supporting structure 3, the rear end of the material collecting pipe 11 is connected with the material discharging pipe 10, the front end of the material collecting pipe 11 is connected with the material collecting box 12, the rear end of the material collecting pipe 11 is higher, and a material discharge pipe 13 passes through the ball mill front support structure 3, and a pipe end switch 14 is connected to the front end of the material discharge pipe 13.
The protection noise elimination structure 6 is composed of an arched protection cover 15, a front disassembly protection plate 16 and bottom side closed base plates 17, two groups of bottom side closed base plates 17 are arranged, the two groups of bottom side closed base plates 17 are respectively arranged at the bottom ends of the two sides of the arched protection cover 15, the front disassembly protection plate 16 is connected to the front inner side of the arched protection cover 15 through bolts 8, corresponding bolt holes 18 are respectively formed in the two side edges of the arched protection cover 15 and the bottom side closed base plates 17, and the bolts 8 sequentially penetrate through the bolt holes 18 of the arched protection cover 15 and the bottom side closed base plates 17 and are fixed on the carrying bottom plate 5.
The arched protective cover 15 and the front disassembly protective plate 16 are composed of an outer deck 19, a double-plate middle spacer 20, a porous plate 21 and an abnormal peak noise elimination plate 22, the double-plate middle spacer 20 is provided with a plurality of groups, the groups of the double-plate middle spacer 20 are arranged at equal intervals, the bottom end of the double-plate middle spacer 20 is arranged on the top surface of the outer deck 19, the top end of the double-plate middle spacer 20 is arranged on the bottom surface of the porous plate 21, the outer deck 19, the double-plate middle spacer 20 and the porous plate 21 are integrally formed, the abnormal peak noise elimination plate 22 is adhered on the top surface of the porous plate 21 through a gluing material 23, the porous plate 21 is provided with a plurality of groups of through holes 24, and the groups of the through holes 24 are arranged on the porous plate 21 at equal intervals.
The abnormal peak silencing plate 22 is composed of a plurality of groups of silencing peaks 25 with different sizes, the groups of silencing peaks 25 are arranged in parallel, the groups of silencing peaks 25 are all adhered to the porous plate 21 through a gluing material 23, a plurality of groups of wide-mouth sound absorption ports 26 are arranged on the side face of each silencing peak 25, the groups of wide-mouth sound absorption ports 26 are arranged on the side face of each silencing peak 25 at equal intervals, a silencing cavity 27 is arranged in the center of each silencing peak 25, symmetrical creeping sound channels 28 are arranged on the side face of each silencing cavity 27, each creeping sound channel 28 is communicated with the corresponding wide-mouth sound absorption port 26 through a sound transmission channel 29, the silencing cavity 27, the creeping sound channels 28, the sound transmission channels and the wide-mouth sound absorption ports 26 are communicated in sequence, and the gluing material 23 is not arranged on the bottom side of each silencing cavity 27.
The gluing material 23 is a water-based glue material, the bottom side closed base plate 17 and the noise elimination peak 25 are made of polyester fiber hot-pressing cotton materials, the outer deck 19, the double-plate middle partition column 20 and the porous plate 21 are made of stainless steel plates, and the material collecting plate 9, the material discharging pipe 10, the material collecting pipe 11, the material collecting box 12, the material discharging pipe 13 and the pipe end switch 14 are all made of cast iron materials.
The working principle of the invention is as follows: the using mode of the equipment is simple, the equipment is divided into two steps specifically, one step is machine material collection after maintenance, when the ball mill body rotates, because the rotating speed of the ball mill is not very fast, materials seeped from the inside of the ball mill cannot be thrown away from the outer side surface of the ball mill, or the materials are gradually accumulated and separated from the outer side wall of the ball mill body under the action of gravity, at the moment, the material collecting plate on the lower side of the ball mill body can receive the machine materials falling on the material collecting plate and gradually collect the machine materials and transport the machine materials into a material collecting box through a material discharging pipe fitting and a material collecting pipe, and when a certain amount of the machine materials are collected, the machine materials in the material collecting box can be collected by opening a pipe end switch; two is the use of noise elimination protective structure, produce sound when the ball mill body, the sound wave can outside diffusion, what this moment outside the ball mill body is the noise elimination peak, the sound wave can contact the noise elimination peak this moment, most sound waves can be absorbed through the noise elimination peak, because the noise elimination peak body is softer, can pass through the body absorption, and some sound can be by and the sound of absorbing this moment is through the sound absorption mouth, pass the sound passageway, creep the sound channel, the chamber of eliminating the sound is absorbed and is dispelled gradually, still pass through the thru hole and transmit again, and accomplish multistage noise elimination, realize the diffusion of the maximize reduction sound, thereby the sound that has reduced the ball mill body passes to the outside.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (2)
1. The utility model provides a noise elimination leak protection material ball mill, its characterized in that, includes ball mill body (1), ball mill revolution mechanic (2), preceding bearing structure of ball mill (3), bearing structure behind the ball mill (4), carrying bottom plate (5), protection noise cancelling structure (6), leaks material collection device (7), preceding bearing structure of ball mill (3) establish in the front end bottom side of ball mill body (1), bearing structure behind the ball mill (4) establish in the rear end bottom side of ball mill body (1), preceding bearing structure of ball mill (3) are fixed in the preceding top surface of carrying bottom plate (5), bearing structure behind the ball mill (4) are fixed in the back top surface of carrying bottom plate (5), ball mill revolution mechanic (2) establish in the front end lateral surface of ball mill body (1), and ball mill revolution mechanic (2) and ball mill body (1) integrated into one piece, the ball mill is characterized in that the leaked material collecting device (7) is fixed between the ball mill front supporting structure (3) and the ball mill rear supporting structure (4), the leaked material collecting device (7) is arranged on the bottom side of the ball mill body (1), the leaked material collecting device (7) is not in contact with the bottom side face of the ball mill body (1), the protection noise elimination structure (6) is arranged on the outer sides of the ball mill body (1), the ball mill front supporting structure (3) and the ball mill rear supporting structure (4), the protection noise elimination structure (6) is fixed on the side edge of the top face of the carrying bottom plate (5) through a bolt (8), and the ball mill body (1) can rotate in the ball mill front supporting structure (3) and the ball mill rear supporting structure (4);
the leaked material collecting device (7) is composed of an aggregate plate (9), a discharge pipe fitting (10), a material collecting pipe (11), a material collecting box (12), a material discharging pipe (13) and a pipe end switch (14), wherein the rear end of the aggregate plate (9) is fixed on the front side surface of a ball mill rear supporting structure (4), the aggregate plate (9) is wrapped on the bottom side surface of a ball mill body (1), the aggregate plate (9) is not in contact with the ball mill body (1), the discharge pipe fitting (10) is provided with a plurality of groups, the groups of the discharge pipe fittings (10) are arranged at the lowest side of the aggregate plate (9) at equal intervals, the material collecting pipe (11) is arranged at the bottom side of the aggregate plate (9), the bottom end of the discharge pipe fitting (10) is connected with the material collecting pipe (11), the material collecting box (12) is fixed on the rear side surface of the ball mill front supporting structure (3), the rear end of the material collecting pipe (11) is connected with the discharge pipe fitting (10), the front end of the material collecting pipe (11) is connected with a material collecting box (12), the rear end position of the material collecting pipe (11) is higher than the horizontal position of the front end of the material collecting pipe (11), the material discharging pipe (13) is connected to the front side of the material collecting box (12), the material discharging pipe (13) penetrates through a front supporting structure (3) of the ball mill, and the pipe end switch (14) is connected to the front end of the material discharging pipe (13);
the protection noise elimination structure (6) is composed of an arched protection cover (15), a front disassembly protection plate (16) and bottom side closed base plates (17), two groups of bottom side closed base plates (17) are arranged, the two groups of bottom side closed base plates (17) are respectively arranged at the bottom ends of the two sides of the arched protection cover (15), the front disassembly protection plate (16) is connected to the front inner side of the arched protection cover (15) through bolts (8), corresponding bolt holes (18) are respectively formed in the two side edges of the arched protection cover (15) and the bottom side closed base plates (17), and the bolts (8) sequentially penetrate through the bolt holes (18) of the arched protection cover (15) and the bottom side closed base plates (17) and are fixed on the carrying bottom plate (5);
the arched protective cover (15) and the front disassembly protective plate (16) are composed of an outer deck (19), double-plate middle partition columns (20), a porous plate (21) and an abnormal peak noise elimination plate (22), wherein the double-plate middle partition columns (20) are provided with a plurality of groups, the groups of double-plate middle partition columns (20) are arranged at equal intervals, the bottom ends of the double-plate middle partition columns (20) are arranged on the top surface of the outer deck (19), the top ends of the double-plate middle partition columns (20) are arranged on the bottom surface of the porous plate (21), the outer deck (19), the double-plate middle partition columns (20) and the porous plate (21) are integrally formed, the abnormal peak noise elimination plate (22) is adhered to the top surface of the porous plate (21) through a gluing material (23), the porous plate (21) is provided with a plurality of groups of through holes (24), and the groups of through holes (24) are arranged on the porous plate (21) at equal intervals;
the different-peak anechoic plate (22) consists of a plurality of groups of anechoic peaks (25) with different sizes, the plurality of groups of sound-deadening peaks (25) are arranged in parallel, the plurality of groups of sound-deadening peaks (25) are all stuck on the porous plate (21) through the gluing material (23), a plurality of groups of wide-mouth sound absorption ports (26) are arranged on the side surface of the noise elimination peak (25), the plurality of groups of wide-mouth sound absorption ports (26) are arranged on the side surface of the noise elimination peak (25) at equal intervals, the center of the silencing peak (25) is provided with a silencing cavity (27), the side surface of the silencing cavity (27) is provided with symmetrical creeping sound channels (28), the creeping sound channel (28) is communicated with the wide-mouth sound absorption port (26) through a sound transmission channel (29), the anechoic cavity (27), the creeping sound channel (28), the sound transmission channel and the wide-mouth sound absorption port (26) are sequentially communicated, and no gluing material (23) is arranged on the bottom side of the anechoic cavity (27).
2. The ball mill of claim 1, wherein the adhesive material (23) is an aqueous adhesive material, the bottom side sealing pad plate (17) and the noise elimination peak (25) are made of polyester fiber hot-pressing cotton material, the outer deck (19), the double-plate middle spacer columns (20) and the porous plate (21) are made of stainless steel plates, and the material collecting plate (9), the material discharging pipe (10), the material collecting pipe (11), the material collecting box (12), the material discharging pipe (13) and the pipe end switch (14) are made of cast iron material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509978.6A CN111715350B (en) | 2020-06-08 | 2020-06-08 | Noise elimination leak protection material ball mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509978.6A CN111715350B (en) | 2020-06-08 | 2020-06-08 | Noise elimination leak protection material ball mill |
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| Publication Number | Publication Date |
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| CN111715350A CN111715350A (en) | 2020-09-29 |
| CN111715350B true CN111715350B (en) | 2021-07-27 |
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| CN202010509978.6A Active CN111715350B (en) | 2020-06-08 | 2020-06-08 | Noise elimination leak protection material ball mill |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721077A (en) * | 2004-07-16 | 2006-01-18 | 萨克米伊莫拉机械合作社合作公司 | Discontinuous grinding mill for ceramic materials |
| CN106712374A (en) * | 2015-07-17 | 2017-05-24 | 苏州三星电子有限公司 | Sound-proof shield of motor and apparatus with motor |
| CN207307988U (en) * | 2017-09-28 | 2018-05-04 | 四川巨星新型材料有限公司 | A kind of ultrafine grinding roller mill sound arrester |
| CN109131831A (en) * | 2017-06-19 | 2019-01-04 | 罗尔公司 | There is the sound insulation panel for folding chamber |
| CN110473513A (en) * | 2019-08-07 | 2019-11-19 | 西北工业大学 | A kind of slit Meta Materials acoustic interlayer plate |
| CN110599993A (en) * | 2019-09-24 | 2019-12-20 | 哈尔滨工程大学 | Carbon fiber sound baffle for underwater detection equipment |
-
2020
- 2020-06-08 CN CN202010509978.6A patent/CN111715350B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721077A (en) * | 2004-07-16 | 2006-01-18 | 萨克米伊莫拉机械合作社合作公司 | Discontinuous grinding mill for ceramic materials |
| CN106712374A (en) * | 2015-07-17 | 2017-05-24 | 苏州三星电子有限公司 | Sound-proof shield of motor and apparatus with motor |
| CN109131831A (en) * | 2017-06-19 | 2019-01-04 | 罗尔公司 | There is the sound insulation panel for folding chamber |
| CN207307988U (en) * | 2017-09-28 | 2018-05-04 | 四川巨星新型材料有限公司 | A kind of ultrafine grinding roller mill sound arrester |
| CN110473513A (en) * | 2019-08-07 | 2019-11-19 | 西北工业大学 | A kind of slit Meta Materials acoustic interlayer plate |
| CN110599993A (en) * | 2019-09-24 | 2019-12-20 | 哈尔滨工程大学 | Carbon fiber sound baffle for underwater detection equipment |
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| CN111715350A (en) | 2020-09-29 |
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