CN211246944U - Titanium sponge secondary sorting screening plant - Google Patents
Titanium sponge secondary sorting screening plant Download PDFInfo
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- CN211246944U CN211246944U CN201921501046.6U CN201921501046U CN211246944U CN 211246944 U CN211246944 U CN 211246944U CN 201921501046 U CN201921501046 U CN 201921501046U CN 211246944 U CN211246944 U CN 211246944U
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Abstract
The utility model provides a titanium sponge secondary separation screening plant, is including vibrating hopper, cloth mechanism, sorting mechanism and particle size screening ware, vibrate the hopper setting in the frame, provide the titanium sponge for cloth mechanism in vibrations process, cloth mechanism's entry position is equipped with the distributing device to evenly spread the titanium sponge, the export of cloth mechanism is equipped with the magnetic separation device, sorting mechanism includes transport mechanism and letter sorting station, and transport mechanism one end and cloth mechanism's export links up, and the feed inlet of the other end and particle size screening ware links up, the letter sorting station is located one side or both sides of transport mechanism, the particle size screening ware is used for screening the titanium sponge of different granule sizes and collects respectively in the corresponding container. The device solves the problems of large labor intensity and low efficiency of secondary material selection of the titanium sponge, achieves the purpose that the granularity of the titanium sponge can be screened according to actual requirements, and provides high-quality titanium sponge for smelting high-end titanium materials.
Description
Technical Field
The utility model belongs to non ferrous metal processing field, concretely relates to titanium sponge secondary separation screening plant.
Background
Titanium and titanium alloy have corrosion resistance, specific strength high, biocompatibility good, advantage such as being nonmagnetic, apply to fields such as aerospace, chemical industry, medical treatment extensively, titanium sponge is the basic link of the titanium industry, it is the main raw material to carry on titanium material to smelt. The industry mainly adopts magnesium reduction reaction to prepare sponge titanium, and the reaction formula is TiCl4+2Mg=Ti+2MgCl2Then MgCl in the titanium sponge is distilled2Separating and removing to obtain titanium sponge lump, and cutting, crushing, mixing and sorting to obtain a titanium sponge finished product with the granularity of less than or equal to 25.4 mm. In the production process of the titanium sponge, defective titanium sponge blocks are inevitably produced, and the defective titanium sponge blocks mainly comprise over-sintered titanium sponge blocks, dark yellow or bright yellow oxidized and nitrogen-rich titanium sponge blocks, titanium sponge blocks with obvious chloride residues, titanium sponge blocks with high iron and associated elements thereof, and verge riser titanium sponge and hard titanium sponge blocks with high impurity element content. Even after the preliminary separation by a titanium sponge manufacturer, the defective titanium sponge remains. Therefore, the titanium sponge used for high-end titanium materials in medical treatment, aerospace and the like needs to be selected for the second time before smelting, and the defective titanium sponge is removed, so that the quality risk caused by metallurgical defects such as low-density impurities, component segregation and the like is reduced.
In addition, small-particle titanium sponge with the diameter less than or equal to 3mm and rich in N, O impurity elements exists in the titanium sponge, and when the titanium sponge is used for smelting and preparing high-purity and high-plasticity titanium-requiring materials, the titanium sponge needs to be removed, such as high-ductility titanium-requiring plates, titanium target materials and the like. At present, the secondary selection and screening of titanium sponge in China generally adopts the steps of manually and flatly distributing the titanium sponge on an inspection platform to select defective titanium sponge, and then manually screening the granularity, so that the defects of low production efficiency, high labor intensity and poor quality stability are overcome. Therefore, it is necessary to develop a secondary titanium sponge sorting and screening device, which can continuously, simply and efficiently remove defective titanium sponge and obtain titanium sponge with a certain particle size range through screening, and is very important for improving the quality of titanium materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a titanium sponge secondary sorting screening plant can once only in the continuous efficient get rid of the titanium sponge of all kinds of defects to realize the hierarchical screening to the titanium sponge granularity, with metallurgical defects such as low density mix with, composition segregation in reducing titanium and titanium alloy ingot casting, reach and show the effect that improves product quality.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a titanium sponge secondary separation screening plant, is including vibrating hopper, cloth mechanism, sorting mechanism and particle size screening ware, vibrate the hopper setting in the frame, provide the titanium sponge for cloth mechanism through vibrating, cloth mechanism's entry position is equipped with the distributing device to evenly spread the titanium sponge, the export of cloth mechanism is equipped with magnetic separation device, sorting mechanism includes transport mechanism and letter sorting station, and transport mechanism one end and cloth mechanism's export links up, and the feed inlet of the other end and particle size screening ware links up, the letter sorting station is located transport mechanism's one side or both sides, the particle size screening ware is used for screening the titanium sponge of different granule sizes and collects respectively in the corresponding container.
The vibrating hopper is arranged on the rack through a spring, one side, opposite to the outlet, of the bottom of the vibrating hopper is an inclined plane, and an inertial vibrator is arranged on the outer side of the inclined plane.
The discharge gate that vibrates the hopper is equipped with the unloading baffle of liftable to control load and ejection of compact speed, be equipped with the rack on the unloading baffle, and be equipped with gear and drive gear pivoted crank on vibrating the hopper, the gear with rack toothing.
The distributing device is an impeller, and the impeller is driven to rotate by a corresponding distributing motor.
The material distribution mechanism further comprises a material distribution conveying mesh belt, and the material distribution conveying mesh belt horizontally conveys the titanium sponge discharged by the vibration hopper to the sorting mechanism.
The sorting mechanism comprises a groove-shaped conveying crawler belt which is obliquely arranged, the lowest end of the groove-shaped conveying crawler belt is located below the outlet end of the conveying belt, and the highest end of the groove-shaped conveying crawler belt is located above the feed inlet of the particle size sieving device.
The particle size sieving device comprises a screen, a lower chamber, an upper discharge port and a lower discharge port, wherein the upper discharge port is positioned at one side of the screen, large-particle titanium sponge on the screen is discharged into a corresponding container through the upper discharge port, the lower discharge port is arranged at one side of the lower chamber, and small-particle titanium sponge passing through meshes of the screen enters the lower chamber and is discharged into the corresponding container through the lower discharge port; the bottom of the lower cavity is mounted on the support frame through a spring, and an inertial vibrator is arranged on the outer side surface of the lower cavity.
The secondary titanium sponge sorting and screening device further comprises a feeding mechanism, and the feeding mechanism supplies materials for the vibration hopper.
The feeding mechanism comprises a feeding roller way, a lifting mechanism, a track and a feeding trolley, wherein the feeding roller way is horizontally arranged and used for feeding the titanium sponge barrel into the feeding trolley, one end, far away from the vibration hopper, of the bottom of the feeding trolley is rotatably connected onto the lifting mechanism, one end, close to the vibration hopper, of the feeding trolley is arranged on the track in a rolling mode, the track is composed of a vertical section and a horizontal section, and the horizontal section is located at the top of the track and located above a feeding hole of the vibration hopper.
The utility model discloses a full flow titanium sponge sorting screening plant relates to titanium sponge material loading, cloth, selection material, screening and barrelling process, has overcome prior art not enough, has solved the problem that titanium sponge secondary selection intensity of labour is big, inefficiency to reach the purpose that the titanium sponge granularity can be sieved according to the actual demand, provide high-quality titanium sponge for smelting of high-end titanium material.
The utility model has the advantages of following innovation point: the device integrates the functions of feeding, distributing, selecting, screening and barreling, realizes automatic discharging, distributing, screening and barreling, and greatly reduces the labor intensity of workers; secondly, the device can adjust the height of the blanking baffle, the vibration frequency of the hopper, the rotation speed of the distributing device, the speed of the cloth conveying net belt and the speed of the gathering conveying crawler belt, so that the whole sorting and screening process is continuous and stable, and the production efficiency is greatly improved; the device of the utility model can efficiently remove the defect titanium sponge in the original titanium sponge and obtain the high-quality titanium sponge with the granularity meeting the use requirement; the device has simple structure, good stability and easy operation and implementation, and can realize stable batch production; the utility model discloses titanium sponge after the device secondary sizing is sieved can get rid of the diameter that is rich in N, O impurity element and is less than or equal to 3 mm's tiny particle or powdered titanium sponge, can obtain the titanium ingot that impurity content is low, the composition is even after smelting to can effectively reduce the inside metallurgical defect of ingot casting.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the medium particle size classifier of the present invention;
FIG. 3 is a side view of the medium size screen of the present invention;
FIG. 4 is a top view of the medium size screen of the present invention;
the labels in the figure are: 1. a feeding roller way; 2. a feeding motor; 3. a feeding trolley; 4. vibrating the hopper; 5. a hopper spring set; 6. a blanking baffle; 7. a cloth motor; 8. a distributing device; 9. a cloth conveying mesh belt; 10. an inertial vibrator I; 11. a transport mesh belt motor; 12. a magnetic separation device; 13. a trough-type conveyor belt; 14. a material selecting station; 15. a slot-type conveying crawler motor; 16. a particle size classifier; 17. a screen fixing bracket; 18. a screen spring pack; 19. a lower discharge hole; 20. a feeding hole and a discharging hole; 21. a metal screen; 22. a screen mesh hold down screw; 23. and an inertial vibrator II.
Detailed Description
The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.
Referring to the attached drawing 1, the secondary titanium sponge sorting and screening device comprises a feeding mechanism, a vibration hopper 4, a material distribution mechanism, a sorting mechanism and a particle size screening device 16, wherein the feeding mechanism, the vibration hopper 4, the material distribution mechanism, the sorting mechanism and the particle size screening device 16 are sequentially connected in sequence according to working procedures.
The feeding mechanism comprises a feeding roller way 1, a lifting mechanism, a track 24 and a feeding trolley 3, wherein the feeding roller way 1 consists of a plurality of roller ways arranged on the ground, each roller way is rotatably arranged on a corresponding support, and the roller ways can rotate freely or can be driven by a driving mechanism to rotate; the secondary material selecting and screening device is provided with a feeding chamber, the tail end of the feeding roller bed 1 extends into the feeding chamber, the lifting mechanism is positioned in the feeding chamber and comprises a feeding motor 2 and two sets of chain wheel and chain mechanisms, the chain wheel and chain mechanisms are composed of upper chain wheels, lower chain wheels and chains, upper chain wheels in the two sets of chain wheel and chain mechanisms are connected through a transmission shaft, and the transmission shaft is driven to rotate by the feeding motor 2 at the top of the feeding chamber; the rail 24 is arranged at the tail end of the feeding roller way 1 and consists of a vertical section and a horizontal section, and the horizontal section is positioned at the top end of the rail 24 and extends out of the feeding hole of the oscillating hopper 4 towards the oscillating hopper 4; the bottom of the feeding trolley 3 is rotatably connected to the lifting mechanism at the end far away from the vibration hopper 4, and the end close to the vibration hopper 4 is arranged on the rail 24 in a rolling mode through the idler wheels.
When the lifting mechanism works, the feeding trolley 3 is lifted upwards from the position of the feeding roller way 1, after the roller of the feeding trolley 3 enters the horizontal section of the track 24, the feeding trolley 3 is continuously lifted, and because the vertical position of the roller is fixed, the feeding trolley 3 starts to turn over, sponge titanium in the feeding trolley is poured into the vibration hopper 4 below, and feeding is completed.
The titanium sponge to be screened by the secondary material selection is arranged in a titanium sponge barrel and is pushed into the feeding trolley 3 along the feeding roller way 1.
The vibrating hopper 4 is integrally trapezoidal, one inclined plane is an upper inclined plane provided with a feeding hole, the other inclined plane is a lower inclined plane provided with an inertial vibrator I10, the bottom of the lower inclined plane, which is opposite to the lower inclined plane, is provided with a discharging hole, and a discharging baffle 6 which can move up and down is arranged at the discharging hole; the whole vibrating hopper 4 is supported on the inner wall of the feeding chamber through a hopper spring set 5.
The unloading baffle 6 slides and sets up in the spout of discharge gate department, and the lateral surface of unloading baffle 6 is equipped with the rack, is equipped with drive gear pivoted crank on vibrating hopper 4, the gear pass through the support mounting, with rack toothing constitutes gear rack mechanism, rotates the crank, through the cooperation of gear and rack, just can realize unloading baffle 6 and move about from top to bottom along the spout, and then the opening size of control discharge gate, realizes the regulation of unloading volume and unloading speed.
The cloth mechanism includes cloth conveying mesh belt 9, distributing device 8 and magnetic separation device 12, cloth mechanism still include with the casing that the material loading room is connected and is linked together, cloth conveying mesh belt 9 tensioning is on sprocket chain mechanism, and this sprocket chain mechanism is driven by the conveying mesh belt motor 11 that corresponds, and cloth conveying mesh belt 9 one end stretches into the material loading room, and is located vibrate the below of 4 discharge gates of hopper to accept the titanium sponge, this end is the entry of cloth mechanism, and cloth conveying mesh belt 9 other end is located the export top of casing, the export of casing is the export of cloth mechanism, the position of cloth conveying mesh belt 9 is higher than material loading roller way 1.
The distributing device 8 is an impeller which is rotatably arranged, three to eight blades are arranged on the impeller, the rotation of the impeller is realized by a distributing motor 7, and the height of the distributing device 8 is set to be 30-60 mm. The cloth motor 7 is fixed outside the casing, and the impeller evenly tiles the titanium sponge on the cloth conveying mesh belt 9 in the rotation process to subsequent magnetic separation is convenient for.
The magnetic separation device 12 is located above the cloth conveying mesh belt 9, can be preferably arranged above the outlet of the machine shell, and is provided with magnets along the width direction of the conveying mesh belt, so that preliminary magnetic separation of titanium sponge is realized, and iron impurities or iron-rich titanium sponge are removed. The titanium sponge falls into a groove-shaped conveying crawler belt 13 below after being magnetically separated.
The sorting mechanism comprises a groove-shaped conveying crawler belt 13 which is obliquely arranged, the groove-shaped conveying crawler belt 13 is arranged in a corresponding shell, the lower half part of the shell in the length direction is open, an operator sorts the sponge titanium on the groove-shaped conveying crawler belt 13 manually through the opening on a material selecting station 14, and the material selecting station 14 is located on one side or two sides of the shell. Cell type conveying track motor 15 is installed at this casing top, realizes the operation of cell type conveying track 13, and the casing top still is equipped with sorting mechanism's discharge gate, cell type conveying track 13 least significant end is located the below of cloth mechanism export to accept the titanium sponge, cell type conveying track 13 highest significant end is located sorting mechanism's discharge gate position, and the titanium sponge through artifical letter sorting falls into the granularity screening ware 16 of below and carries out the granularity screening.
Utilize titanium sponge secondary select material screening plant carry out titanium sponge's secondary select material screening method specifically operate as follows:
step one, feeding: and (3) transporting the titanium sponge barrel filled with the titanium sponge to a feeding roller way 1, opening the barrel cover, and turning the sealed plastic bag open and hooping the sealed plastic bag by using a barrel hoop. Push the titanium sponge bucket in the material loading dolly 3 to promote the dolly through material loading motor 2, to the horizontal segment of track 24, then continue to promote, keep away from the one end of shaking hopper 4 with raising the dolly, empty the titanium sponge into in shaking hopper 4, then material loading motor 2 reverses, descends material loading dolly 3 to material loading roll table 1 position and stops, waits for the material loading next time.
Step two, material distribution: and opening a blanking baffle 6, an inertial vibrator I10, a cloth motor 7 and a conveying mesh belt motor 11, vibrating a hopper 4 to begin to vibrate for blanking, and uniformly paving the titanium sponge to be selected on a cloth conveying mesh belt 9 in a certain thickness through a distributor 8. The vibration frequency of the inertial vibrator I10, the rotating speed of the distributing device 8 and the rotating speed of the cloth conveying net belt motor 11 are adjusted to enable the discharging speed, the distributing speed and the conveying speed to be matched, so that the material is not blocked or disconnected in the operation process, and the secondary material selecting and screening process is continuously and normally operated.
Thirdly, selecting materials: the titanium sponge falls into cell type conveying track 13 after the magnetic separation, and cell type conveying track 13 both sides set up sorting station 14, carry out manual sorting operation, use hook-shaped instrument to the titanium sponge piece stirring in the cell type conveying track 13 slot, pick out the defect titanium sponge, adjust cell type conveying track 13 speed, make it satisfy with the speed requirement of cloth conveying mesh belt 9 unloading and manual sorting, ensure going on smoothly of manual sorting work.
Step four, screening: the sorted titanium sponge is conveyed to a titanium sponge granularity sieving device 16, the titanium sponge is fed to a metal screen 21 through a feeding hole in the top of the granularity sieving device 16, titanium sponge particles are sieved along the vibrating metal screen 21, and the titanium sponge meeting the granularity requirement after being sieved is discharged to an upper discharging hole 20 through the surface of the metal screen 21 and is collected by a corresponding container; the sieved small-particle titanium sponge is discharged to a lower discharge port 19 through a lower chamber of a metal screen 21 and is collected by a corresponding container.
The device is adopted to carry out secondary screening and material selection on different sponge titanium, and the screening result is analyzed, and the specific process is as follows.
Test example 1: the device is used for carrying out secondary material selection and screening on the 0A-grade sponge titanium, wherein the magnetic separation device requires that the residual magnetic induction intensity of a magnet is more than or equal to 12KGs, the coercive force is more than or equal to 11KOe, the height of a blanking baffle at a discharge port of a vibration hopper is set to be 40mm, the height of a distributing device is set to be 30mm, the mesh number of a metal net is 6, and the size of a sieve pore is 3 mm. The secondary material selection and screening are carried out on 50 tons of 0A-grade sponge titanium, the original sponge titanium granularity is 0-25.4mm, the O content is 0.043-0.049% (weight percentage, the same below), and the N content is 0.004-0.006%. After screening, picking out the weight of the defective sponge titanium 411KG with the proportion of 0.82%; the weight of small particles with the particle size smaller than 3mm and powder sponge titanium is 2537KG, and the proportion is 5.1%; the granularity of the finished product titanium sponge is 3-25.4 mm, and is shown in table 1. The content of O in the sponge titanium with the measured granularity of less than or equal to 3mm is 0.07 percent, the content of N is 0.016 percent, and the content of impurities is higher.
Test example 2: the device is adopted to perform secondary material selection and screening on the 0-grade titanium sponge, wherein the magnetic separation device requires that the residual magnetic induction intensity of a magnet is more than or equal to 12KGs, the coercive force is more than or equal to 11KOe, the height of a blanking baffle at a discharge port of a vibration hopper is set to be 40mm, the height of a distributing device is set to be 30mm, the mesh number of a metal net is 6, and the size of a sieve pore is 3 mm. And (3) performing secondary material selection and screening on 50 tons of 0-grade sponge titanium, wherein the granularity of the original sponge titanium is 0-25.4mm, the O content is 0.047-0.056%, and the N content is 0.005-0.009%. Screening, and then selecting the weight of the defective titanium sponge to be 465KG with the proportion of 0.93%; the weight of small particles with the particle size smaller than 3mm and the weight of 2743KG of the powder sponge titanium are 5.4 percent; the granularity of the finished product titanium sponge is 3-25.4 mm, and is shown in table 1. The content of O in the sponge titanium with the measured granularity of less than or equal to 3mm is 0.09 percent, the content of N is 0.018 percent, and the content of impurities is higher.
Test example 3: the device is used for carrying out secondary material selection and screening on the grade-1 titanium sponge, wherein the magnetic separation device requires that the residual magnetic induction intensity of a magnet is more than or equal to 12KGs, the coercive force is more than or equal to 11KOe, the height of a blanking baffle at a discharge port of a vibration hopper is set to be 40mm, the height of a distributing device is set to be 30mm, the mesh number of a metal net is 6, and the size of a sieve mesh is 3 mm. And (3) performing secondary material selection and screening on 50 tons of 0A-grade sponge titanium, wherein the original sponge titanium has the granularity of 0-25.4mm, the O content of 0.058-0.072 percent and the N content of 0.008-0.012 percent. Screening, and then selecting the weight 477KG of the defect titanium sponge with the proportion of 0.95 percent; the weight of small particles with the particle size smaller than 3mm and the powder titanium sponge is 2801KG, and the proportion is 5.6 percent; the granularity of the finished product titanium sponge is 3-25.4 mm, and is shown in table 1. The content of O in the sponge titanium with the granularity of less than or equal to 3mm is measured to be 0.12 percent, the content of N is 0.023 percent, and the content of impurities is higher.
According to the test results of the test example, the defect sponge titanium existing in the original sponge titanium, the small particles rich in N, O impurity elements and the powder sponge titanium can be effectively removed by utilizing the sorting and screening operation of the device, the component uniformity of the sponge titanium is improved, and the quality of the sponge titanium is obviously improved.
Claims (10)
1. The utility model provides a titanium sponge secondary sorting screening plant which characterized in that: including vibrating hopper (4), cloth mechanism, sorting mechanism and particle size screening ware (16), vibrate hopper (4) and set up in the frame, provide the sponge titanium for cloth mechanism in the vibration process, cloth mechanism's entry position is equipped with distributing device (8) to evenly spread the sponge titanium, the export of cloth mechanism is equipped with magnetic separation device (12), sorting mechanism includes transport mechanism and selection material station, and transport mechanism one end and cloth mechanism's export link up, and the feed inlet of the other end and particle size screening ware (16) links up, the selection material station is located transport mechanism's one side or both sides, particle size screening ware (16) are used for sieving the sponge titanium of different granule sizes and collect respectively in the corresponding container.
2. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: vibrate hopper (4) and pass through the spring setting in the frame, vibrate hopper (4) bottom and be the inclined plane for the one side of export, install inertial vibrator I (10) outside the inclined plane.
3. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the discharge hole of the oscillation hopper (4) is provided with a liftable blanking baffle (6) to control the discharge amount and the discharge speed.
4. The secondary titanium sponge sorting and screening device as claimed in claim 3, wherein: the blanking baffle (6) is provided with a rack, the vibration hopper (4) is provided with a gear and a crank for driving the gear to rotate, and the gear is meshed with the rack.
5. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the distributing device (8) is an impeller, and the impeller is driven to rotate by a corresponding distributing motor (7).
6. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the material distribution mechanism further comprises a material distribution conveying mesh belt (9), and the material distribution conveying mesh belt (9) horizontally conveys the titanium sponge discharged by the vibration hopper to the sorting mechanism.
7. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the sorting mechanism comprises a groove-shaped conveying crawler belt (13) which is obliquely arranged, the lowest end of the groove-shaped conveying crawler belt (13) is located below an outlet of the distributing mechanism, and the highest end of the groove-shaped conveying crawler belt (13) is located above a feeding hole of the particle size screening device (16).
8. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the particle size sieving device (16) comprises a screen (21), a lower chamber, an upper discharge hole (20) and a lower discharge hole (19), wherein the upper discharge hole (20) is positioned at one side of the screen (21), large-particle sponge titanium on the screen (21) is discharged into a corresponding container through the upper discharge hole (20), the lower discharge hole (19) is arranged at one side of the lower chamber, and small-particle sponge titanium passing through meshes of the screen (21) enters the lower chamber and is discharged into the corresponding container through the lower discharge hole (19); the bottom of the lower cavity is arranged on a fixed support (17) of the screening device through a spring, and an inertial vibrator II (23) is arranged on the outer side surface of the lower cavity.
9. The secondary titanium sponge sorting and screening device as claimed in claim 1, wherein: the secondary titanium sponge sorting and screening device further comprises a feeding mechanism which supplies materials for the vibration hopper (4).
10. The secondary titanium sponge sorting and screening device as claimed in claim 9, wherein: feed mechanism includes material loading roll table (1), hoist mechanism, track (24) and material loading dolly (3), material loading roll table (1) level sets up for send into material loading dolly (3) with the titanium sponge bucket, the one end rotation connection of vibrating hopper (4) is kept away from to the bottom of material loading dolly (3) is on hoist mechanism, and the one end roll that is close to vibrate hopper (4) sets up on track (24), track (24) comprise vertical section and horizontal segment, and the horizontal segment is located track (24) top to be located the feed inlet top of vibrating hopper (4).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110653062A (en) * | 2019-09-10 | 2020-01-07 | 洛阳双瑞精铸钛业有限公司 | Secondary titanium sponge sorting and screening device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110653062A (en) * | 2019-09-10 | 2020-01-07 | 洛阳双瑞精铸钛业有限公司 | Secondary titanium sponge sorting and screening device and method |
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