CN117680244A - Ore crushing equipment and method for metal smelting - Google Patents
Ore crushing equipment and method for metal smelting Download PDFInfo
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- CN117680244A CN117680244A CN202410133651.1A CN202410133651A CN117680244A CN 117680244 A CN117680244 A CN 117680244A CN 202410133651 A CN202410133651 A CN 202410133651A CN 117680244 A CN117680244 A CN 117680244A
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- 238000003723 Smelting Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000227 grinding Methods 0.000 claims abstract description 253
- 238000012216 screening Methods 0.000 claims abstract description 29
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 105
- 238000005086 pumping Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention provides ore crushing equipment and method for metal smelting, comprising a bearing base, a first grinding cylinder body arranged at the upper end of the bearing base, wherein a second grinding cylinder body is arranged in the first grinding cylinder body, the second grinding cylinder body comprises a primary grinding main body and a conveying main body, the first end of the conveying main body penetrates through the first grinding cylinder body and is communicated with a feeding device, and a feeding window is formed in the surface of the first end of the conveying main body; the surface of the first grinding cylinder body is provided with a plurality of first screening holes, and the surface of the second grinding cylinder body is provided with a second screening hole. The invention can improve the efficiency of grinding balls and ore throwing, shortens the time of ore grinding, and is convenient for the comprehensive maintenance of the whole equipment; the quick unloading of ore after can realizing grinding has improved the speed of ore unloading after grinding, has further improved the efficiency that whole ore ground.
Description
Technical Field
The invention relates to the technical field of ore crushing, in particular to ore crushing equipment and method for metal smelting.
Background
The ore needs to be crushed by crushing equipment after mining and before smelting so as to meet the requirements of ore smelting.
The ball mill can be used for carrying out deep ball milling and crushing on ores, the crushing fineness is small, the crushing mesh number is low, and the requirements of metal smelting can be met; partial medium-grade colored ores are uneven in texture distribution, and in the ball milling and crushing process, partial ores are excessively ground, so that excessive loss of grinding balls and overflow of blanking dust are caused; partial ore is not completely ground, the size and uniformity of the crushed mesh do not meet the requirements of metal smelting, and the grinding is performed again by cyclic screening, so that the grinding time is prolonged, and the resource waste is caused.
The coaxial double-layer grinding cylinder structure or the left-right parallel double-layer grinding cylinder structure is partially designed in the same grinding equipment, so that ore can be ground in a grading manner, the relative consistency of the grinding mesh number of the ore is ensured, and the grinding efficiency is improved; however, for the existing inner double-layer grinding cylinder structure, the feeding of grinding balls of the inner-layer grinding cylinder is complicated, and for the existing double-layer grinding cylinder structure with a parallel structure, the materials after primary grinding cannot enter the next grinding chamber in time, and excessive grinding of part of ores and low grinding efficiency are caused.
Disclosure of Invention
Aiming at the problems, the invention provides the crushing equipment and the crushing method for the ores for metal smelting, which can improve the efficiency of throwing the grinding balls and the ores, shorten the time for grinding the ores and facilitate the comprehensive maintenance of the whole equipment; the quick unloading of ore after can realizing grinding has improved the speed of ore unloading after grinding, has further improved the efficiency that whole ore ground.
In order to solve the problems, the invention adopts the following technical scheme: the crushing equipment for the ores for metal smelting comprises a bearing base, a first grinding cylinder body arranged at the upper end of the bearing base, wherein a second grinding cylinder body is arranged in the first grinding cylinder body, the second grinding cylinder body comprises a first-stage grinding main body and a conveying main body, the first end of the conveying main body penetrates through the first grinding cylinder body and is communicated with a feeding device, a feeding window is formed in the surface of the first end of the conveying main body, and the conveying main body is positioned between the feeding device and the first-stage grinding main body; the surface of the first grinding cylinder body is provided with a plurality of first screening holes, and the surface of the second grinding cylinder body is provided with a second screening hole, wherein the opening size of the second screening hole is smaller than that of the first screening hole.
The conveying main body is extended to the outer side, so that the efficiency of grinding balls and ore throwing can be improved, the time for grinding the ore is shortened, and the whole equipment is convenient to overhaul comprehensively; in addition, the materials which are crushed for the first time in the second grinding cylinder body can fall between the first grinding cylinder body and the second grinding cylinder body through the second screening holes to carry out secondary grinding, ore is subjected to secondary finer grinding between the first grinding cylinder body and the second grinding cylinder body, finally, the crushed ore meeting the mesh requirement is discharged from the first screening holes, and ore grinding is finished; through above-mentioned structural design, the material after twice grinding can directly be followed first grinding barrel surface and discharged, realizes the quick unloading of ore after grinding, has improved the speed of ore unloading after grinding, has further improved the efficiency that whole ore ground.
Preferably, the conveying main body is communicated with the primary grinding main body through a transition main body, the cross section of the transition main body is trapezoid, and a spiral feeding sheet is arranged on the inner wall of the conveying main body; through setting up above-mentioned structure, can control the ore and follow outside directional removal to the inboard position of primary grinding main part, realize the continuous transport of ore, solved the problem of carrying ore continuous transport in the main part of carrying, guaranteed that the primary grinding main part can be in the state of continuous grinding, guaranteed the efficiency that the ore was ground in the primary grinding main part.
Preferably, the second grinding cylinders are symmetrically arranged in two groups, the first grinding bodies of the two groups of second grinding cylinders are detachably connected, and the two first grinding bodies are in a communicating state; through setting up the ore after the grinding and follow first grinding cylinder department ejection of compact, can take the mode of second grinding cylinder both sides feed to carry out the ore feeding this moment to fully improve the feeding efficiency of ore, guarantee the relative uniformity of each position ore feeding and grinding in the one-level grinding main part, further improved the degree of consistency and the efficiency of ore grinding.
Preferably, the first grinding cylinder comprises a second grinding main body corresponding to the first grinding main body, the inner wall of the second grinding main body is fixed with the first grinding main body through a supporting component, a supporting part is fixed on the outer side of the second grinding main body, and the supporting part is rotationally connected with the bearing base and is rotationally connected with the bearing base; by the arrangement of the structure, twice continuous crushing can be realized, crushed ores can be screened and discharged in time, continuous grinding is avoided, and grinding resources are saved; simultaneously, the support part at the outer side can stably support the secondary grinding main body at the inner side, so that the stability of the whole structure is ensured.
Preferably, the sealing blanking device is sleeved outside the first grinding cylinder body, the sealing blanking device comprises two sealing supports fixedly connected with the outer wall of the first grinding cylinder body, the two sealing supports are arranged at intervals, the section of each sealing support is L-shaped, the bending part at the top of each sealing support is arranged towards the middle direction of the sealing blanking device, an annular sealing cover is arranged between the two sealing supports, bent angles matched with the inner wall of each sealing support are arranged at two sides of each sealing cover, and a centralized blanking hopper is fixed at the bottom of each sealing cover; through setting up above-mentioned structure can realize circumferential annular sealed, the material after the breakage can be followed the bottom and concentrated the discharge in a centralized way of hopper department, can set up sack dust fall equipment in the outside to realize the centralized processing to the ore dust, realize high-efficient dust fall in order to realize the high-efficient collection of ore dust.
Preferably, a sealing channel is formed at the overlapping part of the sealing cover and the sealing support, the sealing channel is annular, and a high-pressure maintaining device is arranged on the inner wall of the annular sealing channel; through the structure, the friction between the sealing cover and the sealing support can be reduced, the smoothness of the sealing support in the rotation process is ensured, the abrasion of the connecting part is reduced, and the integral structure is ensured to be capable of continuously and stably grinding, crushing and dust collecting and discharging.
Preferably, the high-pressure maintaining device comprises an annular pumping channel formed by the inner wall of the sealing cover, a high-pressure maintaining spray head is arranged on one side of the annular pumping channel towards the sealing channel, the annular pumping channel is communicated with high-pressure pumping equipment through a pumping pipeline, and a sealing lip component positioned on the outer side of the high-pressure maintaining spray head is arranged between the sealing cover and the sealing support; through setting up above-mentioned structure, under the effect of high-pressure gas, can accelerate the concentrated discharge of the interior ore dust of dust fall cavity, let it discharge fast from the concentrated hopper department of unloading of bottom, form directional conveying air current, the concentrated collection of accelerating ore dust.
Preferably, the device further comprises a driving device for controlling the rotation of the first grinding cylinder body, wherein the driving device comprises an outer gear ring fixed with the first grinding cylinder body and a driving gear matched with the outer gear ring, the driving gear is fixedly connected with a driving shaft, and the outer gear ring is positioned at the outer side of the sealing blanking device; the driving device is structurally arranged at the outer side edge, and a larger space can be reserved for the sealing blanking device in the middle, so that efficient dust fall treatment of ore dust is met.
Preferably, the feeding device comprises a feeding box, the side wall of the feeding box is communicated with the conveying main body through a rotary connecting piece, a feeding baffle plate inclined towards one side of the conveying main body is fixed on the inner wall of the feeding box, and a feeding hopper corresponding to the feeding baffle plate is fixed on the top of the feeding box.
A method of crushing ore for metal smelting, comprising the steps of: s1, throwing ore to be crushed into a second grinding cylinder through a feeding device, and throwing a first grinding steel ball into the second grinding cylinder through a material throwing window; s2, controlling the ore to be crushed to realize primary crushing in the second grinding cylinder, and enabling the ore subjected to primary crushing to enter between the first grinding cylinder and the second grinding cylinder through the second screening holes; s3, realizing secondary crushing of the ore subjected to primary crushing in the first grinding cylinder, and discharging the ore subjected to secondary crushing through the first screening hole.
The beneficial effects of the invention are as follows: the conveying main body is extended to the outer side, so that the efficiency of grinding balls and ore throwing can be improved, the time for grinding the ore is shortened, and the whole equipment is convenient to overhaul comprehensively; in addition, the materials which are crushed for the first time in the second grinding cylinder body can fall between the first grinding cylinder body and the second grinding cylinder body through the second screening holes to carry out secondary grinding, ore is subjected to secondary finer grinding between the first grinding cylinder body and the second grinding cylinder body, finally, the crushed ore meeting the mesh requirement is discharged from the first screening holes, and ore grinding is finished; through above-mentioned structural design, the material after twice grinding can directly be followed first grinding barrel surface and discharged, realizes the quick unloading of ore after grinding, has improved the speed of ore unloading after grinding, has further improved the efficiency that whole ore ground.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of a front view structure of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 at C according to the present invention.
Fig. 5 is a schematic view of the cross-sectional structure of A-A of fig. 3 according to the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 5D according to the present invention.
Fig. 7 is an enlarged schematic view of the structure of fig. 5 at F according to the present invention.
FIG. 8 is a schematic view of the B-B cross-sectional structure of FIG. 3 according to the present invention.
In the figure: 100. a load-bearing base; 200. a first grinding cylinder; 2001. a secondary crushing chamber; 210. a secondary grinding body; 220. a support assembly; 221. a first screening aperture; 230. a support part; 300. sealing the blanking device; 3001. a dust fall chamber; 310. a sealing cover; 311. centralized blanking hopper; 320. sealing the support; 330. sealing the channel; 400. a second grinding cylinder; 4001. a primary crushing chamber; 410. a conveying body; 411. a feeding window; 412. a spiral feeding sheet; 420. a transition body; 430. a primary grinding body; 431. a second screening aperture; 500. a feeding device; 510. a feeding box; 511. a feeding baffle; 512. a carrier; 520. a feeding hopper; 600. a driving device; 610. a drive gear; 620. an outer ring gear; 630. a bearing seat; 640. a drive shaft; 650. positioning a shaft; 700. a high-voltage maintenance device; 710. a pumping conduit; 720. a seal lip assembly; 721. a first lip; 722. a second lip; 730. an annular pumping channel; 731. the high pressure maintains the spray head.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Referring to fig. 1-8, a crushing device for metal smelting ore comprises a bearing base 100, a first grinding cylinder 200 installed at the upper end of the bearing base 100, a second grinding cylinder 400 installed inside the first grinding cylinder 200, wherein ore enters the second grinding cylinder 400 to realize primary grinding, ore enters the first grinding cylinder 200 after being ground by the second grinding cylinder 400 to realize secondary grinding, and the crushing efficiency, the crushing precision and the crushing uniformity of the ore are improved under double-layer grinding, so that the problem of excessive grinding of the ore is effectively solved, and excessive waste of grinding resources is avoided.
In order to solve the problems of grinding ball blanking and ore loading and blanking, the integral grinding efficiency is improved, and excessive grinding of ores is avoided; the second grinding cylinder 400 comprises a first-stage grinding main body 430 and a conveying main body 410, wherein a first end of the conveying main body 410 penetrates through the first grinding cylinder 200 and is communicated with the feeding device 500, a feeding window 411 is formed in the surface of the first end of the conveying main body 410, and the conveying main body 410 is positioned between the feeding device 500 and the first-stage grinding main body 430; at this time, the steel balls can be put into the conveying main body 410 through the feeding window 411 at the outer side, so that the grinding balls can be rapidly filled; meanwhile, the ore can be rapidly filled into the second grinding cylinder 400 through the feeding device 500 at the outer side, so that continuous feeding of the ore is realized, and continuous grinding of the ore is realized; through above-mentioned structural design, can improve the efficiency that grinding ball and ore were put in, shortened the time that the ore was ground, be convenient for carry out comprehensive maintenance to whole equipment simultaneously.
A plurality of first screening holes 221 are formed in the surface of the first grinding cylinder 200, a second screening hole 431 is formed in the surface of the second grinding cylinder 400, the opening size of the second screening hole 431 is smaller than that of the first screening hole 221, materials which are crushed once in the second grinding cylinder 400 can fall between the first grinding cylinder 200 and the second grinding cylinder 400 through the second screening hole 431 for secondary grinding, ore is subjected to secondary finer grinding between the first grinding cylinder 200 and the second grinding cylinder 400, finally the crushed ore meeting the mesh requirement is discharged from the first screening hole 221, and grinding is finished; through the structural design, the materials subjected to twice grinding can be directly discharged from the surface of the first grinding cylinder 200, so that quick ore discharging after grinding is realized, the ore discharging speed after grinding is improved, and the overall ore grinding efficiency is further improved.
Here, the sizes of the balls in the second grinding cylinder 400 and the first grinding cylinder 200 are different, and the size of the grinding balls in the second grinding cylinder 400, that is, the size of the grinding balls in the first grinding cylinder 200 is larger, so that the first coarse grinding is conveniently realized, and the size of the grinding balls in the first grinding cylinder 200 is smaller, so that finer grinding of the ore can be realized.
With specific reference to fig. 5 and 7; the conveying main body 410 is communicated with the primary grinding main body 430 through the transition main body 420, the cross section of the transition main body 420 is trapezoid, the spiral feeding sheet 412 is arranged on the inner wall of the conveying main body 410, the second grinding cylinder 400 can synchronously rotate along with the first grinding cylinder 200, and in the rotating process of the second grinding cylinder 400, the ore in the spiral feeding sheet 412 can be screwed in one way through the spiral feeding sheet 412, so that forced feeding is realized, and the ore conveying continuity is ensured; meanwhile, the automatic conveying of the ore can be further realized through the inclined transition main body 420, so that the ore can automatically move towards the direction of the primary grinding main body 430, and continuous primary crushing is realized in the rolling process of the primary grinding main body 430; through setting up above-mentioned structure, can control the ore and follow outside directional removal to the inboard position of one-level grinding main part 430, realize the continuous transport of ore, solved the problem of carrying ore in the main part 410 in succession, guaranteed that the one-level grinding main part 430 can be in the state of continuous grinding, guaranteed the efficiency that the ore was ground in the one-level grinding main part 430.
Further; the second grinding cylinder 400 is symmetrically arranged into two groups, the first grinding main bodies 430 of the two groups of second grinding cylinders 400 are detachably connected, the two first grinding main bodies 430 are in a communication state, the ground ore is discharged from the first grinding cylinder 200, and at the moment, ore feeding can be performed in a mode of feeding at two sides of the second grinding cylinder 400, so that the ore feeding efficiency is fully improved, the ore feeding and grinding relative consistency at each position in the first grinding main bodies 430 are guaranteed, and the ore grinding uniformity and efficiency are further improved.
Specifically, the present invention relates to a method for manufacturing a semiconductor device; the first grinding cylinder 200 comprises a second grinding main body 210 corresponding to the first grinding main body 430, the inner wall of the second grinding main body 210 is fixed with the first grinding main body 430 through a supporting component 220, a supporting part 230 is fixed on the outer side of the second grinding main body 210, the supporting part 230 is rotationally connected with the bearing base 100, materials which are subjected to first-stage crushing through the first grinding main body 430 are subjected to second-stage crushing in the second grinding main body 210, two continuous crushing can be realized, crushed ores can be screened and discharged in time, continuous grinding is avoided, and grinding resources are saved; meanwhile, the inner secondary grinding main body 210 can be stably supported through the outer supporting part 230, so that the stability of the whole structure is ensured.
For the ore with smaller size after grinding, a large amount of dust is contained in the ore and is directly discharged through the first grinding cylinder 200, so that the surrounding operation environment is influenced, the normal operation of surrounding equipment is influenced, and the overhaul frequency of related equipment is increased; in order to solve the above problems, the sealing and discharging device 300 is sleeved outside the first grinding cylinder 200, and the sealing and discharging device 300 is arranged to form a relatively sealed barrier outside the first grinding cylinder 200, so that the ore is intensively discharged after being crushed, meanwhile, the overflow of dust is avoided, the surrounding operation environment is improved, the continuous and stable operation of related equipment is ensured, and meanwhile, the overflow loss of the ore dust is avoided.
Specifically, the present invention relates to a method for manufacturing a semiconductor device; the sealing blanking device 300 comprises two sealing supports 320 fixedly connected with the outer wall of the first grinding cylinder 200, the two sealing supports 320 are arranged at intervals, the cross section of each sealing support 320 is L-shaped, the bent part at the top of each sealing support 320 is arranged towards the inner side, the inner side of each sealing support is in the middle direction of the sealing blanking device 300, an annular sealing cover 310 is installed between the two sealing supports 320, bent angles matched with the inner wall of each sealing support 320 are arranged on two sides of each sealing cover 310, a concentrated blanking hopper 311 is fixed at the bottom of each sealing cover 310, the sealing covers 310 are fixedly arranged relatively, the sealing supports 320 at the outer sides can synchronously rotate along with the first grinding cylinder 200, circumferential annular sealing can be realized under the cooperation of the sealing covers 310 and the sealing supports 320, crushed materials can be intensively discharged from the bottom of the concentrated blanking hoppers 311, and cloth bag dust settling equipment can be arranged at the outer side so as to realize concentrated treatment of ore dust and efficient dust settling and efficient dust collection of the ore.
The L-shaped bending design can prolong the sealing distance between the sealing cover 310 and the sealing support 320 so as to enhance the sealing effect of the joint and avoid the overflow of ore dust, and the L-shaped bending design of the sealing support 320 towards the inner side can increase the length distance of the sealing cover 310 at the inner side so as to increase the dust fall chamber 3001 formed in the inner side, thereby increasing the dust fall treatment capacity and meeting the crushing operation of ore with high load.
A sealing channel 330 is formed at the overlapping part of the sealing cover 310 and the sealing support 320, the sealing channel 330 is annular, the inner wall of the annular sealing channel 330 is provided with a high-pressure maintaining device 700, and a high-pressure environment can be formed in the second grinding cylinder 400 by arranging the high-pressure maintaining device 700, so that dust in the sealing cover 310 can be prevented from entering the sealing channel 330, and the relative cleanliness of the environment in the sealing channel 330 is ensured; through the structure, the friction between the sealing cover 310 and the sealing support 320 can be reduced, the smoothness of the sealing support 320 in the rotation process is ensured, the abrasion of the connecting part is reduced, and the whole structure can be continuously and stably ground, crushed and dust-collecting and discharging.
With specific reference to FIG. 6, specific details are set forth; the high pressure maintaining device 700 comprises an annular pumping channel 730 formed on the inner wall of the sealing cover 310, the annular pumping channel 730 is provided with a high pressure maintaining spray head 731 towards one side of the sealing channel 330, the annular pumping channel 730 is communicated with high pressure pumping equipment through a pumping pipeline 710, a sealing lip assembly 720 positioned on the outer side of the high pressure maintaining spray head 731 is arranged between the sealing cover 310 and the sealing support 320, high pressure gas can be pumped into the annular pumping channel 730 through the high pressure equipment on the outer side of the pumping pipeline 710, the high pressure gas can be finally sprayed out from the high pressure maintaining spray head 731, a high pressure environment is formed in the sealing channel 330, and at the moment, under the multi-layer sealing of the outer sealing lip assembly 720, the gas flows towards the inner direction of the sealing cover 310 so as to prevent ore dust from entering the sealing channel 330 and ensure smooth rotation with low friction between the sealing cover 310 and the sealing support 320; meanwhile, under the action of high-pressure gas, the concentrated discharge of ore dust in the dust falling chamber 3001 can be accelerated, so that the ore dust can be rapidly discharged from the concentrated discharging hopper 311 at the bottom, a directional conveying airflow is formed, and the concentrated collection of the ore dust is accelerated.
The seal lip assembly 720 includes a first lip 721 and a second lip 722 alternately disposed, wherein the first lip 721 is fixed to the seal holder 320, and the second lip 722 is fixed to the seal housing 310, and a curved seal channel can be formed therebetween to ensure good air tightness at the joint.
The device further comprises a driving device 600 for controlling the rotation of the first grinding cylinder 200, wherein the driving device 600 comprises an outer gear 620 fixed with the first grinding cylinder 200 and a driving gear 610 matched with the outer gear 620, the driving gear 610 is fixedly connected with a driving shaft 640, the outer gear 620 is positioned at the outer side of the sealing blanking device 300, and the positions of the driving gear 610 and the outer gear 620 at the edges drive the first grinding cylinder 200 to drive the second grinding cylinder 400 to rotate so as to realize continuous grinding and crushing of inner and outer double-layer ores; the driving device 600 is structurally installed at the outer edge position, and a larger space can be reserved for the sealing blanking device 300 in the middle, so that efficient dust fall treatment of ore dust can be met.
Referring specifically to fig. 7, in particular; the feeding device 500 comprises a feeding box 510, the side wall of the feeding box 510 is communicated with a conveying main body 410 through a rotating connecting piece, a feeding baffle 511 inclined towards one side of the conveying main body 410 is fixed on the inner wall of the feeding box 510, a feeding hopper 520 corresponding to the feeding baffle 511 is fixed on the top of the feeding box 510, a belt conveying device can be arranged on the top of the feeding hopper 520 to realize continuous conveying and feeding of ores, and an image detection element can be arranged on the top of the feeding hopper 520 to ensure that ores in the feeding hopper 520 are in a full state by arranging the image detection element; ore to be crushed sequentially enters the conveying main body 410 through the feeding hopper 520 and the feeding baffle 511, and is continuously extruded into the primary grinding main body 430 through the spiral feeding piece 412 on the inner wall in the rotating process of the conveying main body 410, so that continuous grinding and crushing of the ore are realized; the whole crushing process is continuously and automatically carried out, so that the ore grinding and crushing efficiency is greatly improved.
The sealed blanking device 300 is located at the outermost side, a dust falling chamber 3001 is formed between the sealed blanking device 300 and the first grinding cylinder 200, and the dust falling chamber 3001 can implement centralized dust falling treatment on the finally ground ore dust, so as to implement centralized blanking of the ore; a secondary crushing chamber 2001 is formed between the first grinding cylinder 200 and the second grinding cylinder 400, and ore crushed after primary grinding can be subjected to secondary grinding and crushing by the secondary crushing chamber 2001; the second grinding cylinder 400 has a first crushing chamber 4001 formed therein, and ore is crushed by one grinding operation in the first crushing chamber 4001.
A method of crushing ore for metal smelting, comprising the steps of: s1, ore to be crushed is thrown into the second grinding cylinder 400 through the feeding device 500, the first grinding steel balls are thrown into the second grinding cylinder 400 through the feeding window 411, the ore can be mixed with the first grinding steel balls in the second grinding cylinder 400, and the ore is fully mixed in a first-stage crushing cavity 4001 formed in the second grinding cylinder 400, so that first-stage crushing is realized.
S2, controlling ore to be crushed to realize primary crushing in the second grinding cylinder 400, enabling the ore after primary crushing to enter between the first grinding cylinder 200 and the second grinding cylinder 400 through the second screening holes 431, and realizing secondary crushing in the secondary crushing chamber 2001 under the mixing of the second grinding steel balls, wherein the ore is ground more finely so as to meet the requirements of metal smelting.
S3, realizing secondary crushing of the ore subjected to primary crushing in the first grinding cylinder 200, discharging the ore subjected to secondary crushing through the first screening holes 221, and directly discharging the ore from the surface of the first grinding cylinder 200 at the moment, so as to realize efficient blanking and avoid excessive grinding and crushing of the ore; meanwhile, the sealing blanking device 300 is arranged on the outer side, so that dust fall centralized blanking treatment can be carried out on ores, centralized blanking of the ores is guaranteed, overflow of ore dust is avoided, and surrounding operation environments are improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A crushing plant for metallo-smelted ores, characterized in that: the grinding device comprises a bearing base (100), and a first grinding cylinder body (200) arranged at the upper end of the bearing base (100), wherein a second grinding cylinder body (400) is arranged in the first grinding cylinder body (200);
the second grinding cylinder body (400) comprises a first-stage grinding main body (430) and a conveying main body (410), wherein a first end of the conveying main body (410) penetrates through the first grinding cylinder body (200) and is communicated with a feeding device (500), a feeding window (411) is formed in the surface of the first end of the conveying main body (410), and the conveying main body (410) is located between the feeding device (500) and the first-stage grinding main body (430);
the surface of the first grinding cylinder body (200) is provided with a plurality of first screening holes (221), the surface of the second grinding cylinder body (400) is provided with a second screening hole (431), and the opening size of the second screening hole (431) is smaller than that of the first screening hole (221).
2. The ore crushing apparatus for metal smelting according to claim 1, wherein the conveying body (410) is communicated with the primary grinding body (430) through a transition body (420), the cross section of the transition body (420) is trapezoid, and a spiral feeding sheet (412) is installed on the inner wall of the conveying body (410).
3. A crushing plant for metallo-smelted ores, according to claim 1, wherein the second grinding cylinders (400) are symmetrically arranged in two groups, the primary grinding bodies (430) of the two groups of the second grinding cylinders (400) are detachably connected, and the two primary grinding bodies (430) are in a communicating state.
4. The ore crushing device for metal smelting according to claim 1, wherein the first grinding cylinder (200) comprises a secondary grinding body (210) corresponding to the primary grinding body (430), the inner wall of the secondary grinding body (210) is fixed with the primary grinding body (430) through a supporting component (220), a supporting part (230) is fixed on the outer side of the secondary grinding body (210), and the supporting part (230) is rotationally connected with the bearing base (100).
5. The ore crushing device for metal smelting according to claim 1, wherein a sealing blanking device (300) is sleeved outside the first grinding cylinder body (200), the sealing blanking device (300) comprises two sealing supports (320) fixedly connected with the outer wall of the first grinding cylinder body (200), the two sealing supports (320) are arranged at intervals, the cross section of each sealing support (320) is L-shaped, a bending part at the top of each sealing support (320) is arranged towards the middle direction of the sealing blanking device (300), an annular sealing cover (310) is arranged between the two sealing supports (320), bent angles matched with the inner wall of each sealing support (320) are arranged on two sides of each sealing cover (310), and a centralized blanking hopper (311) is fixed at the bottom of each sealing cover (310).
6. A crushing plant for metallo-smelted ore according to claim 5, characterised in that the sealing cover (310) and sealing support (320) overlap to form a sealing channel (330), the sealing channel (330) is annular and the inner wall of the annular sealing channel (330) is provided with high pressure maintenance means (700).
7. A crushing plant for metallo-smelted ore according to claim 6, wherein the high-pressure maintenance device (700) comprises an annular pumping channel (730) formed by the inner wall of a sealing cover (310), the annular pumping channel (730) is provided with a high-pressure maintenance nozzle (731) towards one side of the sealing channel (330), the annular pumping channel (730) is communicated with the high-pressure equipment through a pumping pipeline (710), and a sealing lip assembly (720) positioned outside the high-pressure maintenance nozzle (731) is arranged between the sealing cover (310) and a sealing support (320).
8. A crushing plant for metal smelted ore according to claim 5, further comprising a driving device (600) controlling the rotation of the first grinding drum (200), said driving device (600) comprising an outer ring gear (620) fixed to the first grinding drum (200) and a driving gear (610) adapted to the outer ring gear (620), said driving gear (610) being fixedly connected with a driving shaft (640), said outer ring gear (620) being located outside the sealing blanking device (300).
9. A crushing plant for metal smelting ores according to claim 1, wherein the feeding device (500) comprises a feeding box (510), the side wall of the feeding box (510) is communicated with the conveying main body (410) through a rotary connecting piece, a feeding baffle (511) inclined towards one side of the conveying main body (410) is fixed on the inner wall of the feeding box (510), and a feeding hopper (520) corresponding to the feeding baffle (511) is fixed on the top of the feeding box (510).
10. A method of crushing ore for metal smelting, characterized by employing a crushing plant for metal smelting ore according to any one of claims 1-9, comprising the steps of:
s1, feeding ore to be crushed into a second grinding cylinder (400) through a feeding device (500), and feeding first grinding steel balls into the second grinding cylinder (400) through a feeding window (411);
s2, controlling ore to be crushed to realize primary crushing in a second grinding cylinder (400), and enabling the ore subjected to primary crushing to enter between the first grinding cylinder (200) and the second grinding cylinder (400) through a second screening hole (431);
s3, realizing secondary crushing of the ore subjected to primary crushing in the first grinding cylinder body (200), and discharging the ore subjected to secondary crushing through the first screening holes (221).
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| CN202410133651.1A CN117680244B (en) | 2024-01-31 | 2024-01-31 | Ore crushing equipment and method for metal smelting |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2010606C1 (en) * | 1990-04-04 | 1994-04-15 | Злобин Михаил Николаевич | Mill for rocks |
| RU2016657C1 (en) * | 1993-03-12 | 1994-07-30 | Михаил Николаевич Злобин | Method for processing materials and mill for carrying out the method |
| CN206604576U (en) * | 2017-01-16 | 2017-11-03 | 成都佳欣诚信科技有限公司 | A kind of efficient ball mill for being used to crush sulphur chondroitin |
| CN212348963U (en) * | 2020-05-13 | 2021-01-15 | 东莞市保源建材有限公司 | Dry ball mill |
| CN220027225U (en) * | 2022-09-26 | 2023-11-17 | 湖南华联君窑艺术瓷有限公司 | Ceramic raw material ball mill |
-
2024
- 2024-01-31 CN CN202410133651.1A patent/CN117680244B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2010606C1 (en) * | 1990-04-04 | 1994-04-15 | Злобин Михаил Николаевич | Mill for rocks |
| RU2016657C1 (en) * | 1993-03-12 | 1994-07-30 | Михаил Николаевич Злобин | Method for processing materials and mill for carrying out the method |
| CN206604576U (en) * | 2017-01-16 | 2017-11-03 | 成都佳欣诚信科技有限公司 | A kind of efficient ball mill for being used to crush sulphur chondroitin |
| CN212348963U (en) * | 2020-05-13 | 2021-01-15 | 东莞市保源建材有限公司 | Dry ball mill |
| CN220027225U (en) * | 2022-09-26 | 2023-11-17 | 湖南华联君窑艺术瓷有限公司 | Ceramic raw material ball mill |
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| CN117680244B (en) | 2024-05-07 |
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