Energy-saving ore grinding device for lead-zinc sulfide ore dressing
By introducing cleaning and grinding mechanisms into the lead-zinc sulfide beneficiation unit, the problems of dust hazards and mud washing have been solved, achieving efficient cleaning and safe grinding of ore and improving the quality of grinding operations.
Patent Information
- Application Number
- CN202423051184.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing lead-zinc sulfide beneficiation equipment generates dust during operation, which harms workers and fails to effectively clean the dirt on the ore surface, affecting the cleanliness of the ore.
A lead-zinc sulfide beneficiation device including a cleaning mechanism and a grinding mechanism was designed. The device cleans the surface soil of the ore by a motor-driven conveyor belt and uses water pumps and nozzles for cleaning. The device combines vibration components and grinding components to prevent dust generation, thereby achieving efficient cleaning and grinding of the ore.
It effectively cleans the dirt from the surface of ore, improves ore cleanliness, prevents dust hazards, and enhances the efficiency and safety of grinding operations.
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Figure CN223587227U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to energy -conserving grinding technology field, concretely is a kind of lead-zinc sulfide ore dressing energy -conserving grinding device. BACKGROUND
[0002] Grinding is in mechanical equipment, with the impact and grinding of medium and ore itself, the particle size of ore is further reduced, until grinding into powder operation.The purpose is to make the useful minerals and gangue minerals of ore reach maximum dissociation, to provide material that meets the requirement of next mineral processing procedure in particle size.Grinding is an extremely important operation in concentrator, and the quality of grinding product directly affects the level of selection index.Grinding process is the operation of maximum power consumption and metal material consumption in concentrator, and the investment of used equipment also occupies high density.Therefore, improving grinding operation and improving grinding operation index have great significance for concentrator, and it is also one of important directions of development of mineral processing technology.
[0003] According to the energy-conserving grinding device for lead-zinc sulfide ore dressing disclosed in the patent network (authorization announcement number: CN219804687U) described "the utility model discloses an energy-conserving grinding device for lead-zinc sulfide ore dressing, relates to the mineral grinding equipment technical field, including grinding box, the upper surface of grinding box is installed with feeding door, the inside of grinding box is equipped with first screening plate, the inside of grinding box is equipped with second screening plate.It can be through the cooperation of setting reset mechanism, first rotating motor, convex block, starting first rotating motor drives convex block to rotate and beats the surface of first screening plate and second screening plate, resets first screening plate and second screening plate with the action of reset mechanism, and the repeated action makes the ore of different specifications on the surface of first screening plate and second screening plate all slide out, through the action of setting limiting mechanism, first screening plate and second screening plate can be quickly disassembled, so that it can be quickly taken down when cleaning is needed after long-time use, and the operation is convenient, avoids that ore slag is stuck in the inside of first screening plate and second screening plate, and reduces screening efficiency".
[0004] For the above description, the applicant believes that there are the following problems:
[0005] The utility model separates the ground ore by setting first screening plate and second screening plate during use, but a certain amount of dust is generated during actual use, which is harmful to workers in the long term, the energy-conserving grinding device for lead-zinc sulfide ore dressing does not set cleaning mechanism, and the soil on the surface of ore cannot be cleaned, so that the soil on the surface of ore is ground together with ore, and the cleanliness of ore is reduced, so a kind of energy-conserving grinding device for lead-zinc sulfide ore dressing is needed to solve the above problems. Utility model content
[0006] The utility model discloses a lead zinc sulphide ore dressing energy -conserving grinding device, to solve the problem of above -mentioned background art.
[0007] To realize above -mentioned purpose, the utility model provides the following technical scheme: a kind of lead zinc sulphide ore dressing energy -conserving grinding device, including main part, the main part top is provided with washing mechanism, the main part inside is provided with grinding mechanism, the main part top is fixedly connected with feed inlet, the feed inlet top is slidably connected with top cover, the main part top inner wall is fixedly connected with flow guide plate, the main part left and right two sides inner wall are all fixedly connected with shovel block, the main part back is fixedly connected with double-shaft motor, the double-shaft motor output end is fixedly connected with first rotary rod, the first rotary rod back is rotatably connected with connecting rod, the connecting rod front is rotatably connected with second rotary rod, the first rotary rod and second rotary rod surface are fixedly connected with polishing block, the main part left side is fixedly connected with water outlet;The grinding mechanism includes rotating component and vibration component, and the rotating component is arranged in the main part inside to back, and the vibration component is arranged in the main part inside.
[0008] Preferably, the polishing block number is two, and the two polishing blocks are opposite, facilitating ore grinding.
[0009] Preferably, the washing mechanism includes bottom plate, and the bottom plate is fixedly connected to the main part top, and the bottom plate top is fixedly connected with storage tank, and the bottom plate bottom is fixedly connected with waste water tank, and the main part right side is fixedly connected with first water tank, and the first water tank top is fixedly connected with first water pump, and the first water pump output end is fixedly connected with first water pipe, and the first water pipe is fixedly connected with spray head away from first water pump one end, and the bottom plate top is fixedly connected with conveying box, and the conveying box back is fixedly connected with first motor, and the first motor output end is fixedly connected with driving wheel, and the conveying box front inner wall to back inner wall is rotatably connected with driven wheel, and the driving wheel and driven wheel back are transmissionally connected with conveying belt, which can facilitate the washing of ore surface soil before ore grinding.
[0010] Preferably, the rotating component includes a second water tank, the second water tank is fixedly connected to the left side of the main body, the top surface of the second water tank is fixedly connected with a second water pump, the output end of the second water pump is fixedly connected with a second water pipe, the left inner wall of the main body is fixedly connected with a grinding box, the bottom surface of the grinding box is fixedly connected with a filter hole, the front surface and the back surface of the grinding box are provided with a sliding groove, the back surface of the main body is fixedly connected with a limiting block, the limiting block is slidably connected with a moving rod, the back surface of the main body is fixedly connected with a second motor, the front surface of the moving rod and the output end of the second motor are provided with a transmission rod, the transmission rods are transmissionally connected with a transmission belt, the surface of the transmission rod is fixedly connected with a rocker, the right side of the moving rod is fixedly connected with a limiting groove, the back surface of the rocker is slidably connected in the limiting groove, the front surface of the moving rod is fixedly connected with a fixed rod, the surface of the fixed rod is fixedly connected with a baffle, the baffle is rotatably connected with a grinding rod, so that the ore can be further ground, the second water tank can prevent dust from being generated when the ore is ground, and the harm to the workers can be avoided.
[0011] Preferably, the fixed rod is slidably connected in the sliding groove, so that the grinding block can be moved.
[0012] Preferably, the vibrating component includes a third motor, the third motor is fixedly connected to the right side of the main body, the output end of the third motor is fixedly connected with a gear set, the top surface and the bottom surface of the gear set are fixedly connected with an oval block, the right inner wall of the main body is fixedly connected with a supporting plate, the oval blocks are rotatably connected to the top surface of the supporting plate, the left inner wall of the main body is fixedly connected with a spring, the right side of the spring is fixedly connected with a first screen and a second screen, the front surface of the first screen and the second screen is fixedly connected with a discharge port, the back surface of the first screen and the second screen is fixedly connected with a clamping block, so that the ground ore can be sieved.
[0013] Preferably, the oval blocks are in contact with the first screen and the second screen, so that the first screen and the second screen can be vibrated.
[0014] Preferably, the number of the springs is four, the springs are divided into two groups, and the springs in the two groups are fixedly connected to the left sides of the first screen and the second screen, so that the first screen and the second screen can be reciprocatingly moved in cooperation with the oval blocks.
[0015] Compared with the prior art, the lead sulfide zinc ore dressing energy-saving grinding device has the following beneficial effects:
[0016] 1. The lead-zinc sulfide ore-dressing energy-saving grinding device is provided with a cleaning mechanism, a driving wheel is driven to rotate by a first motor, the driving wheel drives a driven wheel to rotate through a conveyor belt, ore is conveniently transported into the device, water in a first water tank is transported into a first water pipe by a first water pump, and is sprayed from a nozzle, the nozzle can clean the dirt on the surface of the ore, and the cleanliness of the ore is increased.
[0017] 2. The lead-zinc sulfide ore-dressing energy-saving grinding device is provided with a grinding mechanism, a rotating mechanism is arranged, water in a second water tank is pumped into a second water pipe by a second water pump, and is transported into a grinding box, dust is avoided during ore grinding, and the harm to workers is avoided, a transmission rod and a transmission belt are driven to rotate by a second motor, a rocker is driven to swing, the rocker moves in a limiting groove, the limiting groove drives a moving rod to move, a fixed rod and a baffle drive a grinding rod to move, the device can further grind the ore, the ore with a fineness consistent with the filter hole in the bottom surface of the grinding box flows out with the water flow after grinding, subsequent screening is facilitated, a vibration assembly is arranged, a gear set drives an oval block to rotate on the top surface of a support plate by a third motor, a first screen and a second screen are vibrated by cooperating with a spring and a clamping block, different finenesses of the ore after grinding are screened and separated, and a discharge port is arranged, different finenesses of the ore are conveniently collected. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor under the premise of the drawings:
[0019] Figure 1 It is an appearance structure schematic diagram of the present application;
[0020] Figure 2 It is a front view structure schematic diagram of the present application;
[0021] Figure 3 It is a local part appearance structure schematic diagram of the present application;
[0022] Figure 4 It is a cleaning mechanism appearance structure schematic diagram of the present application;
[0023] Figure 5 It is a rotating assembly local part sectional view structure schematic diagram of the present application;
[0024] Figure 6 It is a rotating assembly local part appearance structure schematic diagram of the present application;
[0025] Figure 7 It is the appearance structure schematic view of the vibration assembly of the utility model.
[0026] In the drawing: 1, main body; 2, cleaning mechanism; 21, bottom plate; 22, storage groove; 23, waste water tank; 24, first water tank; 25, first water pump; 26, first water pipe; 27, spray head; 28, conveying box; 29, first motor; 210, driving wheel; 211, driven wheel; 212, conveying belt; 3, grinding mechanism; 31, rotating assembly; 311, second water tank; 312, second water pump; 313, second water pipe; 314, grinding box; 315, chute; 316, second motor; 317, transmission rod; 318, transmission belt; 319, rocker; 3110, limiting groove; 3111, limiting block; 3112, moving rod; 3113, fixed rod; 3114, baffle; 3115, grinding rod; 32, vibration assembly; 321, third motor; 322, gear set; 323, support plate; 324, oval block; 325, first screen; 326, second screen; 327, spring; 328, discharge port; 329, clamping block; 4, feeding port; 5, top cover; 6, drainage plate; 7, shovel block; 8, double-shaft motor; 9, first rotating rod; 10, connecting rod; 11, second rotating rod; 12, polishing block; 13, water outlet. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] In the utility model, unless explicitly defined and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0029] Embodiment one:
[0030] Please refer to Figures 1-4The utility model provides a technical scheme: a lead sulphide zinc ore dressing energy -conserving grinding device, including main body 1, the top surface of main body 1 is provided with washing mechanism 2, the inside of main body 1 is provided with grinding mechanism 3, the top surface of main body 1 is fixedly connected with feed inlet 4, the top surface of feed inlet 4 is slidably connected with top cover 5, the top surface inner wall of main body 1 is fixedly connected with drainage plate 6, the inner wall of left and right sides of main body 1 is fixedly connected with shovel block 7, the back of main body 1 is fixedly connected with double -shaft motor 8, the output of double -shaft motor 8 is fixedly connected with first rotary rod 9, the back of first rotary rod 9 is rotatably connected with connecting rod 10, the front of connecting rod 10 is rotatably connected with second rotary rod 11, and first rotary rod 9 and second rotary rod 11 surface are fixedly connected with polishing block 12, and the left side of main body 1 is fixedly connected with water outlet 13;Grinding mechanism 3 includes rotating assembly 31 and vibration assembly 32, and rotating assembly 31 is arranged in the inside of main body 1 to the back, and vibration assembly 32 is arranged in the inside of main body 1.
[0031] Further, the number of polishing block 12 is two, and the two polishing block 12 turns opposite, and the ore is ground conveniently.
[0032] Further, the washing mechanism 2 includes the bottom plate 21, the bottom plate 21 is fixedly connected at the top of main body 1, the top of bottom plate 21 is fixedly connected with storage tank 22, the bottom of bottom plate 21 is fixedly connected with waste water tank 23, the right side of main body 1 is fixedly connected with first water tank 24, the top of first water tank 24 is fixedly connected with first water pump 25, the output of first water pump 25 is fixedly connected with first water pipe 26, one end of first water pipe 26 away from first water pump 25 is fixedly connected with spray head 27, the top of bottom plate 21 is fixedly connected with conveying box 28, the back of conveying box 28 is fixedly connected with first motor 29, the output of first motor 29 is fixedly connected with driving wheel 210, the front inner wall to the back inner wall of conveying box 28 is rotatably connected with driven wheel 211, and the back between driving wheel 210 and driven wheel 211 is transmissionly connected with conveying belt 212, can be conveniently washed to the soil on the ore surface before the ore is ground.
[0033] Example two:
[0034] Please refer to Figures 5-7And combined with example one, further get, rotating assembly 31 includes second water tank 311, second water tank 311 is fixedly connected on the left side of main body 1, the top surface of second water tank 311 is fixedly connected with second water pump 312, the output end of second water pump 312 is fixedly connected with second water pipe 313, the inner wall of the left side of main body 1 is fixedly connected with grinding box 314, the bottom surface of grinding box 314 is fixedly connected with filter hole, the front and back of grinding box 314 are provided with sliding groove 315, the back of main body 1 is fixedly connected with limiting block 3111, the inside of limiting block 3111 is slidably connected with moving rod 3112, the back of main body 1 is fixedly connected with second motor 316, the front of moving rod 3112 and the output end of second motor 316 are provided with transmission rod 317, transmission belt 318 is transmissionally connected between the two transmission rods 317, rocker 319 is fixedly connected on the surface of transmission rod 317, limiting groove 3110 is fixedly connected on the right side of moving rod 3112, rocker 319 is slidably connected in the inside of limiting groove 3110, fixed rod 3113 is fixedly connected on the front of moving rod 3112, baffle 3114 is fixedly connected on the surface of fixed rod 3113, grinding rod 3115 is rotatably connected on the inside of baffle 3114, which is convenient for further grinding of ore, and dust generated during grinding of ore is prevented by second water tank 311, avoiding harm to workers.
[0035] Further, the fixed rod 3113 is slidably connected in the inside of the sliding groove 315, which is convenient for moving the grinding block.
[0036] Further, the vibration assembly 32 includes third motor 321, the third motor 321 is fixedly connected on the right side of main body 1, the output end of third motor 321 is fixedly connected with gear set 322, the top surface and the bottom surface of gear set 322 are fixedly connected with oval block 324, the inner wall of the right side of main body 1 is fixedly connected with support plate 323, the top surface of support plate 323 is rotatably connected with two oval blocks 324, the inner wall of the left side of main body 1 is fixedly connected with spring 327, the right side of spring 327 is fixedly connected with first screen 325 and second screen 326, the front of first screen 325 and second screen 326 is fixedly connected with discharge port 328, the back of first screen 325 and second screen 326 is fixedly connected with clamping block 329, which is convenient for screening of ground ore.
[0037] Further, the two oval blocks 324 are respectively in contact with the first screen 325 and the second screen 326, which is convenient for vibrating the first screen 325 and the second screen 326.
[0038] Further, the number of springs 327 is four, and two springs 327 form a group, and the two groups of springs 327 are fixedly connected on the left side of the first screen 325 and the second screen 326 respectively, which is convenient for reciprocating movement of the first screen 325 and the second screen 326 in cooperation with the oval block 324.
[0039] In actual operation, when the device is in use, first, the ore to be processed is placed inside the storage tank 22, the first motor 29 is turned on, the driving wheel 210 is driven to rotate by the first motor 29, the driven wheel 211 is driven to rotate by the conveyor belt 212, the ore in the storage tank 22 is transported to the surface of the conveyor belt 212, the first water pump 25 is turned on, the water in the first water tank 24 is pumped into the first water pipe 26, the water in the first water pipe 26 is sprayed out through the spray head 27, the ore on the surface of the conveyor belt 212 is cleaned, the used water is transported to the wastewater tank 23 through the conveying tank 28 for collection, the cleaned ore is transported to the feed inlet 4 through the conveyor belt 212, the double-shaft motor 8 is turned on to drive the first rotating rod 9 to rotate, the connecting rod 10 is swung by the first rotating rod 9, the second rotating rod 11 is driven to rotate by the connecting rod 10, the polishing block 12 is driven to rotate by the first rotating rod 9 and the second rotating rod 11, the ore is ground, the second water pump 312 is turned on, the water in the second water tank 311 is pumped into the second water pipe 313, the water is transported into the grinding tank 314 through the second water pipe 313, when the ore ground by the polishing block 12 is scooped by the shovel block 7, it is collected by the grinding tank 314, the second motor 316 is turned on to drive the transmission rod 317 to rotate, the rocker 319 is swung by the conveyor belt 212, the limiting groove 3110 is moved by the rocker 319, thereby driving the moving block to move inside the limiting block 3111, the fixed rod 3113 is moved by the moving block, the grinding rod 3115 is moved by the baffle 3114, when it reaches the same fineness as the filter hole, the ore flows out of the grinding tank 314 and flows into the first sieve 325 with the water, the third motor 321 is turned on, the gear set 322 is driven to rotate by the third motor 321, the oval block 324 is driven to rotate on the surface of the support plate 323 by the gear set 322, the first sieve 325 and the second sieve 326 are vibrated by the spring 327 and the clamping block 329, the ground ore of different fineness is separated by the vibration of the first sieve 325 and the second sieve 326, the ore of different fineness is discharged through the discharge port 328, thereby completing the work.
[0040] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.
Claims
1. A lead-zinc sulphide ore beneficiation and energy saving grinding device comprising a main body (1), characterized in that: The top surface of the main body (1) is provided with a cleaning mechanism (2), the inside of the main body (1) is provided with a grinding mechanism (3), the top surface of the main body (1) is fixedly connected with a feeding port (4), the top surface of the feeding port (4) is slidably connected with a top cover (5), the inner wall of the top surface of the main body (1) is fixedly connected with a flow guide plate (6), the left and right inner walls of the main body (1) are both fixedly connected with a shovel block (7), the back surface of the main body (1) is fixedly connected with a double-shaft motor (8), the output end of the double-shaft motor (8) is fixedly connected with a first rotating rod (9), the back surface of the first rotating rod (9) is rotatably connected with a connecting rod (10), the front surface of the connecting rod (10) is rotatably connected with a second rotating rod (11), the surfaces of the first rotating rod (9) and the second rotating rod (11) are fixedly connected with a polishing block (12), and the left side of the main body (1) is fixedly connected with a water outlet (13). The grinding mechanism (3) comprises a rotating assembly (31) and a vibrating assembly (32), the rotating assembly (31) is arranged inside and at the back of the main body (1), and the vibrating assembly (32) is arranged inside the main body (1).
2. The energy saving grinding and beneficiation device for lead-zinc sulphide ores according to claim 1, characterized in that: The polishing block (12) is two in number, and the two polishing blocks (12) are oppositely directed.
3. The energy saving grinding and beneficiation device for lead-zinc sulphide ores according to claim 1, characterized in that: The cleaning mechanism (2) comprises a bottom plate (21), the bottom plate (21) is fixedly connected to the top surface of the main body (1), the top surface of the bottom plate (21) is fixedly connected with a storage groove (22), the bottom surface of the bottom plate (21) is fixedly connected with a wastewater tank (23), the right side of the main body (1) is fixedly connected with a first water tank (24), the top surface of the first water tank (24) is fixedly connected with a first water pump (25), the output end of the first water pump (25) is fixedly connected with a first water pipe (26), the end, away from the first water pump (25), of the first water pipe (26) is fixedly connected with a spray head (27), the top surface of the bottom plate (21) is fixedly connected with a conveying box (28), the back surface of the conveying box (28) is fixedly connected with a first motor (29), the output end of the first motor (29) is fixedly connected with a driving wheel (210), and the front inner wall to the back inner wall of the conveying box (28) is rotatably connected with a driven wheel (211).
4. The energy saving grinding and beneficiation device for lead-zinc sulphide ores according to claim 1, characterized in that: The rotating component (31) comprises a second water tank (311), the second water tank (311) is fixedly connected to the left side of the main body (1), the top surface of the second water tank (311) is fixedly connected with a second water pump (312), the output end of the second water pump (312) is fixedly connected with a second water pipe (313), the left inner wall of the main body (1) is fixedly connected with a grinding box (314), the bottom surface of the grinding box (314) is fixedly connected with a filter hole, the front surface and the back surface of the grinding box (314) are provided with a sliding groove (315), the back surface of the main body (1) is fixedly connected with a limiting block (3111), the limiting block (3111) is slidably connected with a moving rod (3112), the back surface of the main body (1) is fixedly connected with a second motor (316), the front surface of the moving rod (3112) and the output end of the second motor (316) are provided with a transmission rod (317), the transmission rods (317) are drivingly connected with a transmission belt (318), the surface of the transmission rod (317) is fixedly connected with a rocker (319), the right side of the moving rod (3112) is fixedly connected with a limiting groove (3110), the back surface of the rocker (319) is slidably connected in the limiting groove (3110), the front surface of the moving rod (3112) is fixedly connected with a fixed rod (3113), the surface of the fixed rod (3113) is fixedly connected with a baffle (3114), the inside of the baffle (3114) is rotatably connected with a grinding rod (3115).
5. A lead-zinc sulphide ore beneficiation and energy saving grinding device according to claim 4, characterized in that: The fixed rod (3113) is slidably connected in the sliding groove (315).
6. The energy saving grinding and beneficiation device for lead-zinc sulphide ores according to claim 1, characterized in that: The vibration component (32) comprises a third motor (321), the third motor (321) is fixedly connected to the right side of the main body (1), the output end of the third motor (321) is fixedly connected with a gear set (322), the top surface and the bottom surface of the gear set (322) are fixedly connected with an oval block (324), the right inner wall of the main body (1) is fixedly connected with a supporting plate (323), the oval blocks (324) are rotatably connected to the top surface of the supporting plate (323), the left inner wall of the main body (1) is fixedly connected with a spring (327), the right side of the spring (327) is fixedly connected with a first screen (325) and a second screen (326), the front surface of the first screen (325) and the second screen (326) is fixedly connected with a discharge port (328), the back surface of the first screen (325) and the second screen (326) is fixedly connected with a clamping block (329).
7. A lead-zinc sulphide ore beneficiation and energy saving grinding device according to claim 6, characterized in that: The oval blocks (324) are respectively in contact with the first screen (325) and the second screen (326).
8. A lead-zinc sulphide ore beneficiation and energy saving grinding device according to claim 6, characterized in that: The number of the spring (327) is four, the two springs (327) are a group, and the two groups of springs (327) are fixedly connected to the left sides of the first screen (325) and the second screen (326).
Citation Information
Patent Citations
Energy-saving ore grinding device for lead-zinc sulfide ore dressing
CN219804687U