CN215613002U

CN215613002U - A kind of spiral drum screening machine for precious metal extraction

Info

Publication number: CN215613002U
Application number: CN202122358450.6U
Authority: CN
Inventors: 黄庆; 郁丰善; 顾卫华; 王临才; 丁国栋; 李永敏; 章金宇
Original assignee: Jiangxi Hans Precious Metals Co ltd; Shanghai Polytechnic University
Current assignee: Jiangxi Hans Precious Metals Co ltd; Shanghai Polytechnic University
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-25
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a spiral trommel screening machine for precious metal extraction, which comprises a feeding funnel, a spiral trommel screen, a transmission mechanism, a discharging hopper and a frame, the frame is a box structure, and the spiral trommel screen is horizontally arranged on the frame Inside the box, there is a feeding funnel on the horizontal side of the frame. The top of the feeding funnel is provided with a feeding port. The interior of the feeding funnel is connected with the interior of the spiral trommel screen. The drive shaft, the passive drive shaft is provided with a spiral blade, and the passive drive shaft is driven to rotate by the drive mechanism. The drum is provided with small to large screen mesh holes from the feed end close to the feed funnel to the discharge end away from the feed funnel. The screen mesh holes correspond to several discharge funnels provided at the bottom of the frame. The spiral drum screening machine for precious metal extraction provided by the utility model uniformly transports the material to the inner screen of the spiral drum screen through the spiral structure for screening, the material is screened more thoroughly, and the screening efficiency is improved.

Description

Spiral drum screening machine for precious metal extraction

Technical Field

The utility model relates to the technical field of precious metal extraction equipment, in particular to a spiral drum screening machine for precious metal extraction.

Background

Due to the serious shortage of precious metal resources such as platinum, palladium, rhodium, ruthenium, iridium and the like in China, only a very small amount of precious metals such as platinum, palladium, rhodium, ruthenium, iridium and the like are associated for production, the recycling industry is restricted by environmental protection and technical progress, most of the consumed precious metal raw materials such as platinum, palladium, rhodium, ruthenium, iridium and the like depend on import, the precious metal consumption and import in the world are large, and the raw material restriction bottleneck is obvious.

In the processing and production of noble metals, the noble metals need to be extracted and sieved, the traditional method is to put the materials into a spiral vibrating screen, the materials gradually and centrifugally move in a spiral track under the action of spiral vibration, in the process, the materials smaller than the aperture of the screen mesh are sieved to the next layer, and the materials larger than the aperture of the screen mesh gradually and centrifugally move to a discharge hole. And traditional spiral shale shaker is in the use, and the centrifugal motion that the material can be quick among the input shale shaker to the discharge gate, and then can have the material screening thoroughly just by the condition that the discharge gate sent out, also is difficult to realize the condition of throwing in while screening in addition, and the new material that drops into can with by the unordered mixture of material of screening, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spiral drum sieving machine for precious metal extraction, which aims to solve the technical problems that: traditional spiral shale shaker is in the use, and the centrifugal motion that the material can be quick among the input shale shaker to the discharge gate, and then can have the material screening thoroughly just by the condition that the discharge gate sent out, also be difficult to realize the condition of throwing in the one side screening in addition, the new material of input can with by the unordered mixture of material of screening, influence work efficiency.

In order to solve the technical problem, the utility model provides a spiral drum screening machine for precious metal extraction, which comprises a rack, a feeding hopper, a spiral drum screen, a transmission mechanism, a discharging hopper and a support frame, wherein the feeding hopper is arranged on the rack; the frame is of a box structure, a feeding funnel is tightly arranged on one side of the frame, the feeding funnel is U-shaped, the upper end of the feeding funnel is a feeding hole for feeding precious metal materials, and through holes are respectively formed at the tight connection positions of the frame and the feeding funnel, so that a communication structure is formed between the frame and the feeding funnel; the spiral drum screen comprises a drum, spiral pieces and a driven transmission shaft, wherein the drum is of a structure with two open ends and horizontally arranged in a box body of a rack, one end of the drum is arranged close to a through hole on the side surface of the rack, the other end of the drum is a discharge hole, a plurality of discharge hoppers are arranged below the drum, the driven transmission shaft is horizontally arranged at the central position of the drum, one end of the driven transmission shaft extends out of the rack and is connected with a transmission mechanism, the driven transmission shaft is driven by the transmission mechanism to rotate, the other end of the driven transmission shaft extends out of the rack and the feed hoppers and is fixedly connected with a support frame, the spiral pieces are uniformly arranged on the driven transmission shaft extending into the drum and the feed hoppers, and the spiral pieces positioned in the drum are simultaneously and fixedly connected with the inner wall of the drum; a plurality of screen holes from small to large are sequentially and uniformly arranged on the wall of the roller from the side close to the feeding funnel to the direction of the discharge port, and the screen holes from small to large correspond to the discharge funnels below the roller.

According to the utility model, the transmission mechanism comprises a speed reducing motor, a driving transmission shaft, a driving belt pulley, a driven belt pulley and a belt, the speed reducing motor is arranged above the rack, the driving transmission shaft is horizontally arranged, one end of the driving transmission shaft is connected with the speed reducing motor, the driving belt pulley is arranged at the other end of the driving transmission shaft, the driving belt pulley is connected with the driven belt pulley through the vertically arranged belt, and the driven belt pulley is arranged on the driven transmission shaft.

In the utility model, the spiral sheet positioned in the roller is welded and connected with the inner wall of the roller.

Compared with the prior art, the utility model has the beneficial effects that:

the spiral drum screening machine for precious metal extraction provided by the utility model has the advantages that the influence on screening efficiency due to uneven material conveying and material accumulation in the screening process of materials can be prevented, the horizontal spiral drum screen is adopted, the materials are uniformly conveyed to the inner screen of the spiral drum screen through the spiral structure for screening, the materials are screened more thoroughly, and the screening efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Reference numbers in the figures: 001-frame, 002-feeding funnel, 003-feeding hole, 004-discharging funnel, 005-speed reducing motor, 006-driving transmission shaft, 007-driving belt pulley, 008-driven belt pulley, 009-belt, 010-supporting frame, 011-bearing, 012-roller, 013-spiral sheet, 014-screen mesh, 015-driven transmission shaft, 016-sealing bearing, 017-reinforcing plate, 018-bolt, 019-bolt and 020-discharging hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the following description of the present invention is made in detail with reference to the accompanying drawings and embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. And that the present invention may be practiced without these specific details, i.e., those skilled in the art will be able to more effectively describe the nature of their work to others skilled in the art using the descriptions and representations herein.

Referring to fig. 1, a spiral drum screening machine for precious metal extraction, which comprises a feeding funnel 002, a spiral drum screen, a transmission mechanism, a discharging funnel 004, a frame 001 and a support frame 010, wherein the frame 001 is of a box structure, one side of the frame 001 is provided with the feeding funnel 002 and forms a communicating structure, the other side of the frame 001 is of a closed structure, the bottom of the frame 001 is provided with a plurality of discharging funnels 004, the feeding funnel 002 is of a U shape, the bottom of the feeding funnel is of a semi-cylinder shape, the upper part of the feeding funnel is a square shell, the top of the feeding funnel is provided with a feeding port 003, the feeding funnel is fixed on the frame 001 through a reinforcing plate 017 and bolts 018 at two sides, the spiral drum screen is horizontally arranged inside the box body of the frame 001, the inside of the feeding funnel 002 is communicated with the inside of the spiral drum screen, the inside of the spiral drum screen is provided with a driven transmission shaft 015 along a central horizontal line, one end of the driven transmission shaft 015 is fixed on the support frame 010, and the other end is fixed at the closed side of the frame 001, and the transmission mechanism is connected with the transmission mechanism arranged on one side of the horizontal closed structure of the rack 001, and the transmission mechanism drives the driven transmission shaft 015 to rotate, so that the spiral feeding and discharging of materials are realized.

The spiral drum screen comprises a drum 012, a spiral sheet 013 and a passive transmission shaft 015; the roller 012 is horizontally arranged, and one end of the roller, which is far away from the feeding funnel 002, is a discharge hole 020; passive transmission shaft 015 sets up the central point at cylinder 012 and puts, in the cylinder 012, the inner of flight 013 is connected around passive transmission shaft 015, the outer fringe end welding of flight 013 is on the inner wall of cylinder 012, evenly be equipped with a plurality of screen holes by little to big on the inner wall of cylinder 012 by feed hopper 002 one side to discharge gate 020 in proper order, correspond a plurality of ejection of compact funnel 004 of cylinder 010 below by little to big a plurality of screen holes on the inner wall of cylinder 012, the one end that passive transmission shaft 015 is close to discharge gate 020 is fixed in frame 001 through sealed bearing 016 and second bolt 019, the other end stretches out that cylinder 012 extends to inside feed hopper 002 and passes the bottom semicircle section of thick bamboo center of feed hopper 002 and fixes through bearing 011 and support frame 010, it has passive transmission shaft 015 to be connected with on the passive transmission shaft 015 that same on being located feed hopper inside to be connected with flight 013.

The transmission mechanism comprises a speed reducing motor 005, a driving transmission shaft 006, a driving belt pulley 007, a driven belt pulley 008 and a belt 009; gear motor 005 is fixed in the frame 001 upper portion of discharge end one side, and initiative transmission shaft 006 one end is connected with gear motor 005, installs driving pulley 007 on the other end, and driven pulley 008 is installed on driven transmission shaft 015, is connected driving pulley 007 and driven pulley 008 through the belt 009 of vertical setting.

The process of screening the precious metal extracting material by using the spiral roller screening machine for precious metal extraction comprises the following steps:

1) after the deceleration motor 005 is started, precious metal extraction materials (such as three-way catalyst carrier crushed materials, wherein the carrier is made of aluminum oxide and is in a spherical shape, a polygonal shape or a net-shaped partition plate, and the like, and active metals in the catalyst are platinum, rhodium or palladium) are uniformly fed into the feeding hopper 002;

2) the precious metal extraction materials are sequentially and uniformly conveyed to a discharge port 020 under the drive of a spiral sheet 013, the materials sequentially pass through a screen mesh 014 from small to large in the conveying process, the materials with the pore diameters smaller than that of the materials are leaked out of a roller 012 and are collected below a corresponding discharge hopper 004, and the materials with the pore diameters larger than that of the materials are discharged from the rear end discharge port 020;

3) and (5) after the material is screened, closing the speed reducing motor 005 and completing screening.

The present invention can be modified and adapted appropriately from the above-described embodiments, according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A spiral drum screening machine for precious metal extraction, characterized in that it comprises a frame (001), a feeding funnel (002), a spiral drum screen, a transmission mechanism, a discharging funnel (004) and a support frame (010) ; The frame (001) is a box structure, a feeding funnel (002) is closely arranged on one side of the frame (001), the feeding funnel (002) is U-shaped, and its upper end is used for feeding precious metal materials. The mouth (002), the close connection between the frame (001) and the feeding funnel (002) are respectively provided with through holes, so that a communication structure is formed between the frame (001) and the feeding funnel (002); the spiral trommel screen includes The drum (012), the helical blade (013) and the passive transmission shaft (015), the drum (012) is a structure with openings at both ends, which is horizontally installed in the box of the frame (001), one end of which is close to the frame ( 001) The through holes on the side are provided, the other end is the discharge port (020), a number of discharge funnels (004) are set under the drum (012), and the center position of the drum (012) is horizontally set with a passive drive shaft (015), passive One end of the transmission shaft (015) extends out of the frame (001) and is connected with the transmission mechanism, and is driven to rotate by the transmission mechanism, and the other end extends out of the frame (001) and the feeding funnel (002) and is fixed by the support frame (010) Connect and evenly install a number of helical blades (013) on the passive transmission shaft (015) extending into the drum (012) and the inside of the feeding funnel (002), and the helical blades (013) inside the drum (012) are connected to the drum (012) at the same time. ) are fixedly connected, and the wall of the drum (012) is uniformly provided with a number of screen holes (014) from small to large in order from the side close to the feeding funnel (002) to the discharge port (020). Large screen holes (014) correspond to several discharge hoppers (004) below the drum (012).

2. The helical drum screening machine for precious metal extraction according to claim 1, characterized in that the transmission mechanism comprises a reduction motor (005), a driving shaft (006), a driving pulley (007), a passive pulley (008) and a belt (009), the deceleration motor (005) is arranged above the frame (001), the drive shaft (006) is arranged horizontally, one end of the drive shaft (006) is connected with the deceleration motor (005), and the other end is installed with a drive pulley (007), the driving pulley (007) is connected with the passive pulley (008) through a vertically arranged belt (009), and the passive pulley (008) is installed on the passive transmission shaft (015).

3. The helical drum screening machine for extracting precious metals according to claim 1, characterized in that the spiral sheet (013) located inside the drum (012) and the inner wall of the drum (012) are connected by welding.