CN216826399U - High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit - Google Patents

High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit Download PDF

Info

Publication number
CN216826399U
CN216826399U CN202122691024.4U CN202122691024U CN216826399U CN 216826399 U CN216826399 U CN 216826399U CN 202122691024 U CN202122691024 U CN 202122691024U CN 216826399 U CN216826399 U CN 216826399U
Authority
CN
China
Prior art keywords
carbon ferrochrome
screening
box body
motor
arc furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122691024.4U
Other languages
Chinese (zh)
Inventor
葛仁勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Ebian Yunxing Electrical And Metallurgical Co ltd
Original Assignee
Sichuan Ebian Yunxing Electrical And Metallurgical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Ebian Yunxing Electrical And Metallurgical Co ltd filed Critical Sichuan Ebian Yunxing Electrical And Metallurgical Co ltd
Priority to CN202122691024.4U priority Critical patent/CN216826399U/en
Application granted granted Critical
Publication of CN216826399U publication Critical patent/CN216826399U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Crushing And Grinding (AREA)

Abstract

The application provides a hot stove in ore deposit throws material sieving mechanism for high carbon ferrochrome is smelted belongs to high carbon ferrochrome and smelts equipment technical field. This hot stove of ore deposit material sieving mechanism is used in high-carbon ferrochrome smelting includes broken subassembly and screening subassembly, inside the user can put into the box through the feed inlet with high-carbon ferrochrome earlier, when the motor starts, can drive the crushing roller and rotate, when high-carbon ferrochrome enters into inside the box, the crushing roller can be broken with high-carbon ferrochrome, when broken high-carbon ferrochrome drops when the screening board, can start vibrating motor, vibrating motor can shake the high-carbon ferrochrome on screening board surface, prevent that high-carbon ferrochrome from piling up on screening board surface, the shock attenuation piece can prevent that the box can follow vibrating motor and take place vibrations together simultaneously, and then broken structure has been increased, can be broken the high-carbon ferrochrome of great volume, can prevent to appear piling up the phenomenon in the screening process through vibrating motor, thereby screening efficiency and practicality have been improved.

Description

High-carbon ferrochrome smelting is with hot stove of ore deposit material sieving mechanism
Technical Field
The application relates to the field of high-carbon ferrochrome smelting equipment, in particular to a material feeding and screening device for a submerged arc furnace for high-carbon ferrochrome smelting.
Background
Ferrochrome is the most important raw materials of production stainless steel, mainly be applied to production stainless steel, ball bearing steel, tool steel, the nitriding steel, the heat-resisting steel, quenching and tempering steel, carburizing steel and hydrogen-resistant steel, this is because chromium plays the determining role in the stainless steel, the element of determining the stainless steel attribute only has one kind, this is exactly chromium, every kind of stainless steel all must contain a certain amount of chromium, need use the sieving mechanism in high carbon ferrochrome smelting process, but current high carbon ferrochrome is smelted and is thrown material sieving mechanism with the hot stove in ore deposit, lack broken structure, the high carbon ferrochrome of great volume is unfavorable for the screening, and pile up the phenomenon in the screening process appears easily, the screening efficiency is reduced, the practicality has been reduced.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the application provides a hot stove in ore deposit throws material sieving mechanism for high carbon ferrochrome is smelted, aims at improving current high carbon ferrochrome and throws material sieving mechanism with hot stove in ore deposit, lacks broken structure, appears piling up the phenomenon easily in the screening process, has reduced the problem of practicality.
The embodiment of the application provides a hot stove in ore deposit throws material sieving mechanism for high carbon ferrochrome is smelted includes broken subassembly and screening subassembly.
Broken subassembly includes box, feed inlet, discharge gate, motor and crushing roller, the feed inlet with the box intercommunication, the discharge gate with the box intercommunication, motor fixed mounting in box one side, the crushing roller laminate mutually set up in inside the box, the motor output with the crushing roller transmission is connected, the box both sides are provided with the cavity, the screening subassembly includes screening board, vibrating motor and bumper shock absorber, the screening board with box sliding connection, vibrating motor fixed mounting in screening board one side, the bumper shock absorber set up in inside the cavity, the bumper shock absorber with screening board fixed connection.
In the implementation process, when high-carbon ferrochrome needs to be screened, a user can firstly put the high-carbon ferrochrome into the box body through the feed inlet, because the crushing rollers are attached to and arranged in the box body, the motor can be turned on at the moment, the output end of the motor is in transmission connection with the crushing rollers, when the motor is started, the two crushing rollers can be driven to rotate, when the high-carbon ferrochrome enters the box body, the crushing rollers can extrude and crush the high-carbon ferrochrome, the screening efficiency can be increased, when the crushed high-carbon ferrochrome falls on the screening plate, the vibration motor is fixedly arranged on one side of the screening plate, the damping piece is arranged in the cavity, the damping piece is fixedly connected with the screening plate, the vibration motor can be started, the vibration motor can vibrate the high-carbon ferrochrome on the surface of the screening plate to prevent the high-carbon ferrochrome from being stacked on the surface of the screening plate, and meanwhile, the box body can be prevented from vibrating along with the vibration motor, and then increased broken structure, can carry out the breakage to the high carbon ferrochrome of great volume, can prevent through vibrating motor that the phenomenon of piling up appears in the screening process to screening efficiency and practicality have been improved.
In a specific embodiment, a baffle is disposed inside the tank.
In the implementation process, the guide plate is arranged in the box body, the guide plate can be obliquely arranged in the box body, and the effect of conducting drainage on high-carbon ferrochrome can be achieved.
In a specific embodiment, box one side is provided with support piece, support piece includes base, first branch, second branch and first elastic component, first branch fixed mounting in base one side, second branch with first branch sliding connection, second branch with box fixed connection, the inside first spout that is provided with of first branch, first elastic component set up in inside the first spout, first elastic component with second branch fixed connection.
In the implementation process, the base can play a supporting and fixing role, the first elastic piece can play a damping and buffering role, and the first supporting rod and the second supporting rod can play a supporting role.
In a specific embodiment, a base plate is arranged on one side of the box body, and the motor is fixedly arranged on one side of the base plate.
In the implementation process, one side of the box body is provided with a base plate which is used for supporting the motor conveniently.
In a specific embodiment, the output end of the motor is provided with a driving wheel.
In the implementation process, the output end of the motor is provided with the driving wheel which can drive.
In a specific embodiment, a driven wheel is arranged at one end of the crushing roller, and the driving wheel is in transmission connection with the driven wheel through a belt.
In the above-mentioned realization process, crushing roller one end is provided with from the driving wheel, when the motor starts, can drive the action wheel and rotate, and the action wheel passes through belt transmission with following the driving wheel simultaneously and is connected, just can drive and rotate from the driving wheel to drive the crushing roller and rotate.
In a specific embodiment, the screening plate comprises a fixing plate and a screen, and the screen is fixedly installed on one side of the fixing plate.
In the above-mentioned realization process, the screening board includes fixed plate and screen cloth, and the fixed plate plays fixed effect, and the screen cloth can play the effect of screening.
In a specific embodiment, supporting blocks are arranged at two ends of the fixing plate.
In the implementation process, one side of the fixing plate is provided with a supporting block, and the supporting block can play a role in connecting the fixing plate.
In a specific embodiment, the damping member includes a first sliding rod, a second sliding rod and a second elastic member, the first sliding rod is disposed inside the cavity, the second sliding rod is slidably connected to the first sliding rod, the second sliding rod is fixedly connected to the supporting block, the second elastic member is disposed on one side of the first sliding rod, and the second elastic member is fixedly connected to the second sliding rod.
In the implementation process, when the vibration motor moves, the screening plate can be driven to vibrate, the second sliding rod is connected with the first sliding rod in a sliding mode, and the second elastic piece can play a role in damping and prevent the box body from being driven to vibrate together.
In a specific embodiment, a second sliding groove is disposed on one side of the first sliding rod, the second sliding rod is slidably connected to the second sliding groove, and the second elastic member is disposed inside the second sliding groove.
In the implementation process, one side of the first sliding rod is provided with a second sliding groove, and the second sliding groove can play a role in limiting the second sliding rod.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a first perspective structure of a feeding and screening device of a submerged arc furnace for high-carbon ferrochrome smelting according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a support member according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a screen panel construction according to an embodiment of the present application;
FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to an embodiment of the present disclosure;
fig. 5 is a second perspective view of a driving wheel according to an embodiment of the present disclosure.
In the figure: 100-a crushing assembly; 110-a box body; 111-a baffle; 112-a support; 1121-base; 1122-a first strut; 1123-second strut; 1124-a first runner; 1125-a first elastic member; 113-a backing plate; 120-a feed inlet; 130-a discharge hole; 140-a motor; 141-a driving wheel; 150-a crushing roller; 151-driven wheel; 152-a belt; 160-a cavity; 200-a screening component; 210-a screening plate; 211-a fixed plate; 212-a screen; 213-a support block; 220-a vibration motor; 230-a shock absorbing member; 231-a first slide bar; 2311-a second runner; 232-a second slide bar; 233-a second elastic member.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Referring to fig. 1-5, the present application provides a material feeding and screening apparatus for a submerged arc furnace for smelting high-carbon ferrochrome, which includes a crushing assembly 100 and a screening assembly 200, wherein the crushing assembly 100 is used for crushing the high-carbon ferrochrome, and the screening assembly 200 is used for screening the high-carbon ferrochrome.
Please refer to fig. 1, fig. 2 and fig. 5, the crushing assembly 100 includes a box 110, a feed inlet 120, a discharge port 130, a motor 140 and a crushing roller 150, the feed inlet 120 is communicated with the box 110, the discharge port 130 is communicated with the box 110, the motor 140 is fixedly installed at one side of the box 110, the crushing roller 150 is attached to the inside of the box 110, at least two crushing rollers 150 are arranged, the two crushing rollers 150 are connected by engaging gears with each other, the crushing roller 150 is rotatably connected, the output end of the motor 140 is in transmission connection with the crushing roller 150, the crushing roller 150 can be driven to rotate, cavities 160 are arranged at two sides of the box 110, two sides of the cavity 160 can be provided with containing boxes for placing high-carbon ferrochrome which is not screened, a guide plate 111 is arranged inside the box 110, the guide plate 111 can be obliquely arranged inside the box 110, and an effect of guiding the high-carbon ferrochrome can be played.
In some specific embodiments, a supporting member 112 is disposed at one side of the box body 110, the supporting member 112 includes a base 1121, a first supporting rod 1122, a second supporting rod 1123, and a first elastic member 1125, the first supporting rod 1122 is fixedly mounted at one side of the base 1121, the second supporting rod 1123 is slidably connected to the first supporting rod 1122, the second supporting rod 1123 is fixedly connected to the box body 110, a first sliding slot 1124 is disposed inside the first supporting rod 1122, a first elastic member 1125 is disposed inside the first sliding slot 1124, the first elastic member 1125 is fixedly connected to the second supporting rod 1123, the first elastic member 1125 can play a role of shock absorption and buffering, the first elastic member 1125 can be a spring, a backing plate 113 is disposed at one side of the box body 110, the motor 140 is fixedly mounted at one side of the backing plate 113, the backing plate 113 is used for supporting the motor 140, a driving wheel 141 is disposed at an output end of the motor 140, a driven wheel 151 is disposed at one end of the crushing roller 150, the driving wheel 141 is in transmission connection with the driven wheel 151 through a belt 152, when the motor 140 is started, the driving wheel 141 can be driven to rotate, and meanwhile, the driving wheel 141 and the driven wheel 151 are in transmission connection through the belt 152, so that the driven wheel 151 can be driven to rotate, and the crushing roller 150 is driven to rotate.
Referring to fig. 1, 3 and 4, the screening assembly 200 includes a screening plate 210, a vibration motor 220 and a shock-absorbing member 230, the screening plate 210 is slidably connected to the box body 110, the vibration motor 220 is fixedly mounted on one side of the screening plate 210, the shock-absorbing member 230 is disposed inside the cavity 160, the shock-absorbing member 230 is fixedly connected to the screening plate 210, the shock-absorbing member 230 can absorb shock, the screening plate 210 includes a fixing plate 211 and a screen 212, the screen 212 is fixedly mounted on one side of the fixing plate 211, the fixing plate 211 can fix, and the screen 212 can screen.
In some specific embodiments, the fixing plate 211 is provided at both ends thereof with supporting blocks 213, the supporting blocks 213 may function to connect the fixing plate 211, the shock absorbing member 230 includes a first slide bar 231, a second slide bar 232, and a second elastic member 233, the first slide bar 231 is disposed inside the cavity 160, the second slide bar 232 is slidably connected to the first slide bar 231, the second slide bar 232 is fixedly connected to the supporting blocks 213, the second elastic member 233 is disposed at one side of the first slide bar 231, the second elastic member 233 is fixedly connected to the second slide bar 232, and drives the sieving plate 210 to vibrate when the vibration motor 220 moves, the second slide bar 232 is slidably connected to the first slide bar 231, and the second elastic member 233 may function to absorb shock, the second elastic member may be a spring, the first slide bar 231 is provided at one side thereof with a second sliding slot 2311, the second slide bar 232 is slidably connected to the second sliding slot 2311, the second elastic member 233 is disposed inside the second sliding slot 2311, the second slide groove 2311 may function to limit the second slide bar 232.
The working principle of the submerged arc furnace feeding and screening device for smelting high-carbon ferrochrome is as follows: when high-carbon ferrochrome needs to be screened, a user can firstly put the high-carbon ferrochrome into the box body 110 through the feed inlet 120, because the crushing rollers 150 are correspondingly arranged in the box body 110, the motor 140 can be turned on at the moment, when the motor 140 is started, the driving wheel 141 can be driven to rotate, meanwhile, the driving wheel 141 is in transmission connection with the driven wheel 151 through the belt 152, the driven wheel 151 can be driven to rotate, because the two crushing rollers 150 are mutually meshed and connected through the gear, the crushing rollers 150 are driven to rotate, when the high-carbon ferrochrome enters into the box body 110, the crushing rollers 150 can extrude and crush the high-carbon ferrochrome, the screening efficiency can be increased, when the crushed high-carbon ferrochrome falls on the screening plate 210, the vibration motor 220 is fixedly arranged on one side of the screening plate 210, the damping piece 230 is arranged in the cavity 160, and the damping piece 230 is fixedly connected with the screening plate 210, can start vibrating motor 220, vibrating motor 220 can shake the high carbon ferrochrome on screening board 210 surface, prevent that high carbon ferrochrome from piling up on screening board 210 surface, shock attenuation piece 230 can prevent that box 110 can follow vibrating motor 220 and shake together simultaneously, and then increased broken structure, can be broken the high carbon ferrochrome of great volume, can prevent through vibrating motor 220 that the phenomenon of piling up from appearing in the screening process, thereby screening efficiency and practicality have been improved.
It should be noted that the specific model specifications of the motor 140, the screen 212 and the vibration motor 220 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.
The power supply of the motor 140 and the vibration motor 220 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The submerged arc furnace feeding screening device for high-carbon ferrochrome smelting is characterized by comprising a crushing assembly (100), wherein the crushing assembly (100) comprises a box body (110), a feeding hole (120), a discharging hole (130), a motor (140) and crushing rollers (150), the feeding hole (120) is communicated with the box body (110), the discharging hole (130) is communicated with the box body (110), the motor (140) is fixedly installed on one side of the box body (110), the crushing rollers (150) are attached to and arranged in the box body (110), the output end of the motor (140) is in transmission connection with the crushing rollers (150), and cavities (160) are formed in two sides of the box body (110);
screening subassembly (200), screening subassembly (200) are including screening board (210), vibrating motor (220) and bumper shock attenuation piece (230), screening board (210) with box (110) sliding connection, vibrating motor (220) fixed mounting in screening board (210) one side, bumper shock attenuation piece (230) set up in inside cavity (160), bumper shock attenuation piece (230) with screening board (210) fixed connection.
2. The charging and screening device for the submerged arc furnace for smelting high-carbon ferrochrome according to claim 1, characterized in that a guide plate (111) is arranged inside the box body (110).
3. The high-carbon ferrochrome smelting submerged arc furnace charging screening device according to claim 1, wherein a supporting piece (112) is arranged on one side of the box body (110), the supporting piece (112) comprises a base (1121), a first supporting rod (1122), a second supporting rod (1123) and a first elastic piece (1125), the first supporting rod (1122) is fixedly installed on one side of the base (1121), the second supporting rod (1123) is in sliding connection with the first supporting rod (1122), the second supporting rod (1123) is fixedly connected with the box body (110), a first sliding groove (1124) is arranged inside the first supporting rod (1122), the first elastic piece (1125) is arranged inside the first sliding groove (1124), and the first elastic piece (1125) is fixedly connected with the second supporting rod (1123).
4. The charging and screening device of the submerged arc furnace for smelting high-carbon ferrochrome as claimed in claim 1, characterized in that a base plate (113) is arranged on one side of the box body (110), and the motor (140) is fixedly arranged on one side of the base plate (113).
5. The charging and screening device for the submerged arc furnace for smelting high-carbon ferrochrome according to claim 1, characterized in that the output end of the motor (140) is provided with a driving wheel (141).
6. The charging and screening device for the submerged arc furnace for smelting high-carbon ferrochrome as claimed in claim 5, characterized in that a driven wheel (151) is arranged at one end of the crushing roller (150), and the driving wheel (141) is in transmission connection with the driven wheel (151) through a belt (152).
7. The charging and screening device for the submerged arc furnace for the high-carbon ferrochrome smelting according to the claim 1, characterized in that the screening plate (210) comprises a fixing plate (211) and a screen (212), and the screen (212) is fixedly installed on one side of the fixing plate (211).
8. The charging and screening device of the submerged arc furnace for smelting high-carbon ferrochrome according to claim 7, characterized in that supporting blocks (213) are arranged at two ends of the fixing plate (211).
9. The charging and screening device of the submerged arc furnace for smelting high-carbon ferrochrome as claimed in claim 8, wherein the shock absorbing member (230) comprises a first slide bar (231), a second slide bar (232) and a second elastic member (233), the first slide bar (231) is arranged inside the cavity (160), the second slide bar (232) is slidably connected with the first slide bar (231), the second slide bar (232) is fixedly connected with the supporting block (213), the second elastic member (233) is arranged on one side of the first slide bar (231), and the second elastic member (233) is fixedly connected with the second slide bar (232).
10. The charging and screening device of the submerged arc furnace for smelting high-carbon ferrochrome according to claim 9, wherein a second sliding groove (2311) is formed in one side of the first sliding rod (231), the second sliding rod (232) is connected with the second sliding groove (2311) in a sliding manner, and the second elastic member (233) is arranged inside the second sliding groove (2311).
CN202122691024.4U 2021-11-04 2021-11-04 High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit Active CN216826399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122691024.4U CN216826399U (en) 2021-11-04 2021-11-04 High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122691024.4U CN216826399U (en) 2021-11-04 2021-11-04 High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit

Publications (1)

Publication Number Publication Date
CN216826399U true CN216826399U (en) 2022-06-28

Family

ID=82098313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122691024.4U Active CN216826399U (en) 2021-11-04 2021-11-04 High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit

Country Status (1)

Country Link
CN (1) CN216826399U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845976A (en) * 2023-01-29 2023-03-28 喜跃发国际环保新材料股份有限公司 Processing system and processing method of bio-based coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845976A (en) * 2023-01-29 2023-03-28 喜跃发国际环保新材料股份有限公司 Processing system and processing method of bio-based coating
CN115845976B (en) * 2023-01-29 2023-12-08 喜跃发国际环保新材料股份有限公司 Processing system and processing method of bio-based coating

Similar Documents

Publication Publication Date Title
CN216826399U (en) High-carbon ferrochrome smelting is thrown material sieving mechanism with hot stove in ore deposit
CN107457069A (en) A kind of recovery reducing mechanism of construction material
CN110624637A (en) Reducing mechanism is used in miropowder production with adjustable interval
CN212284256U (en) Ball mill for mineral processing engineering with shock-absorbing function
CN114260060B (en) Separator for lithium battery recovery processing
CN114042509B (en) Ball-milling all-in-one that automatic grinding of manganese metal was sieved
CN214289292U (en) Feeding vibrating screen device for blast furnace
CN213876517U (en) Computer case capable of achieving shock absorption and dust prevention
CN113695221B (en) Novel energy-saving environment-friendly sand and stone screening equipment
CN206452774U (en) Drum-type kind of watermelon seed extractor
CN213929949U (en) Natural gas line construction bearing structure
CN216025520U (en) Sorting device for processing nonferrous metals
CN112536139A (en) Damping device of broken sand making machine
CN210875759U (en) Uninterrupted shaking table for mineral processing equipment
CN208138381U (en) Pipe-cutter damper
CN210965245U (en) Tungsten ore crushing and screening device
CN210585139U (en) Crushing device for barite exploitation
CN209901376U (en) Diffusion plate cuts uses waste material receiving mechanism
CN208631466U (en) A kind of noise reducing mechanism of oscillating feeder
CN216756755U (en) A incessant shaking table for mineral processing equipment
CN112675963A (en) Quantitative controllable grading and fine crushing treatment equipment
CN214288440U (en) Polymer breaker from area function of making an uproar falls
CN211062466U (en) Special combination sideboard of computer medium
CN221361149U (en) Detection equipment for sand screening
CN220077923U (en) Vibration ore drawing machine for surface bin

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant