Device for screening precious metal-containing materials

Abstract

The utility model discloses a device for screening materials containing precious metal, which relates to the technical field of precious metal material screening and comprises a supporting seat, a screening box and a storage box. A screening box is welded to the upper side of the supporting base, a storage box is welded to one side of the screening box, and guiding-out pipes are welded to the bottom of the screening box and the bottom of the storage box so that screened materials containing precious metal can be guided out. According to the device for screening the precious-metal-containing materials, safe screening of the precious-metal-containing materials can be completed through cooperation of the screening box, the storage box, the filter screen plate and high-pressure gas, losses of the precious-metal-containing materials in the screening process are effectively reduced, the screening effect is better, and in addition, the screening efficiency is improved. A first baffle and a second baffle which are used for adjusting the states of a discharging channel and a filtering channel are arranged in the device, screening work and material guiding-out work can be conveniently carried out, and the device for screening the materials containing the precious metal solves the problem that grinding materials contain a large number of small-particle materials, and the small-particle materials can drift around in the manual screening process.

Description

Technical Field

[0001] This utility model relates to the field of precious metal material screening technology, specifically a device for screening precious metal-containing materials. Background Technology

[0002] Precious metal materials refer to metallic materials with high economic value, scarcity, and special management requirements. Common methods for precious metal recycling include pyrometallurgical recycling, hydrometallurgical recycling, and electrolytic recycling. Hydrometallurgical recycling is a commonly used method. This method first leaches the precious metals from the waste and then uses chemical reactions to purify the precious metals. The finer the material particles, the higher the leaching rate.

[0003] After precious metal scrap is ground by a grinding mill, some of the material is not ground sufficiently and the particles are too large, so it needs to be screened. The remaining large particles are ground again. The existing grinding material is screened manually, but the grinding material contains a large number of small particles, which will be scattered everywhere during manual screening, affecting the health of the operators and causing material loss. Summary of the Invention

[0004] The purpose of this invention is to provide a device for screening materials containing precious metals, in order to solve the problem mentioned in the background art that the grinding materials contain a large number of small particles, which will scatter everywhere during manual screening.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a device for screening materials containing precious metals, comprising a support base;

[0006] A screening box is supported on the support base. A storage box connected to the screening box is welded to one side of the screening box. Both the screening box and the storage box have outlet pipes welded to their bottoms to discharge the screened precious metal-containing material. A feed hopper is welded to the top of the screening box to feed the precious metal-containing material to be screened into the screening box. A vent pipe is inserted inside the screening box to evenly deliver high-pressure gas into the screening box to separate precious metal-containing materials of different sizes. One side of the vent pipe is welded to a high-pressure air connection pipe to guide high-pressure gas into the vent pipe. The high-pressure air connection pipe extends outward through the screening box, and a filter screen is inserted at the opening connecting the screening box to the storage box.

[0007] Preferably, both the feed hopper and the discharge pipe are equipped with solenoid valves, the bottom of the filter screen plate has a plug-in block, the plug-in block extends outward through the connection between the screening box and the storage box, and the extended end of the plug-in block is connected to a limiting block extending to both sides by a reset spring. The side of the limiting block near the filter screen plate abuts against the screening box, and the side of the limiting block away from the filter screen plate is a wedge-shaped surface.

[0008] Preferably, there are two reset springs, and the two reset springs and two limiting blocks are symmetrically arranged at the bottom of the filter screen plate, and the opening of the screening box gradually decreases on the side closer to the storage box.

[0009] Preferably, the screening box is connected to an outwardly movable baffle one and a baffle two at the opening of its lower outlet pipe and the opening of the screening box near the storage box, respectively.

[0010] Preferably, the first baffle and the second baffle are internally threaded with adjusting screws, and the outer ends of the two adjusting screws are jointly mounted with mounting plates through bearing seats. The mounting plates are welded to the screening box.

[0011] Preferably, the screening box is equipped with a drive motor by locking bolts. The drive motor is located inside the mounting plate. Both adjusting screws and the output end of the drive motor are connected to synchronous rollers, and the threads on the outer sides of the two adjusting screws are arranged in opposite directions.

[0012] Preferably, the plurality of synchronous rollers are connected by a synchronous belt drive, and the second baffle is located on the discharge side of the filter screen.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This device for screening precious metal-containing materials can safely screen precious metal-containing materials by combining a screening box, a storage box, a filter screen, and high-pressure gas. It effectively reduces the loss of precious metal-containing materials during the screening process and achieves better screening results. Furthermore, the screening box is equipped with baffles one and two to adjust the state of the discharge channel and the filter channel, which facilitates the screening and material discharge processes and solves the problem that grinding materials containing a large number of small particles will scatter everywhere during manual screening.

[0014] 1. This device for screening precious metal-containing materials, to facilitate safe screening of such materials, opens the feed hopper via a solenoid valve, allowing the precious metal-containing material to be screened to enter the screening box. Simultaneously, high-pressure air is supplied to the vent pipe via a high-pressure air connection pipe and blown out through the vent pipe, thus dispersing the precious metal-containing material. At this time, the fine precious metal-containing material moves along the screening box towards the storage box until it is guided to the filter screen for screening. This device, through the cooperation of the screening box, the storage box, the filter screen, and the high-pressure gas, can safely screen precious metal-containing materials, effectively reducing the loss of precious metal-containing materials during the screening process and achieving better screening results.

[0015] 2. This device for screening materials containing precious metals, to facilitate thorough screening and stable discharge of the screened materials, during screening, starts the drive motor mounted on one side of the screening box via locking bolts to rotate forward and open the filter channel of the filter screen, allowing high-pressure air to better blow the precious metal-containing materials. When it is necessary to discharge the precious metal-containing materials from the storage box, the drive motor is started in reverse to close the filter channel of the filter screen and open the discharge channel at the bottom of the screening box. This device for screening materials containing precious metals is internally equipped with baffle one and baffle two to adjust the state of the discharge channel and the filter channel, facilitating the screening and material discharge operations. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of the screening box of this utility model;

[0018] Figure 3 This is a top view of the structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the main cross-sectional structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the filter screen structure from below.

[0022] In the diagram: 1. Support base; 2. Screening box; 201. Feed hopper; 202. Ventilation pipe; 203. High-pressure air connection pipe; 204. Filter screen; 2041. Return spring; 2042. Limiting block; 3. Storage box; 301. Outlet pipe; 4. Baffle one; 401. Baffle two; 402. Adjusting screw; 403. Mounting plate; 404. Drive motor; 405. Synchronous roller; 406. Synchronous belt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 , Figure 2 and Figures 4-6This utility model provides a technical solution: a device for screening materials containing precious metals, including a support base 1;

[0025] The support base 1 supports a screening box 2. A storage box 3 connected to the screening box 2 is welded to one side. Both the screening box 2 and the storage box 3 have outlet pipes 301 welded to their bottoms to discharge the screened precious metal-containing materials. The top of the screening box 2 is welded with a feed hopper 201 to feed the precious metal-containing materials to be screened into the screening box 2. A vent pipe 202 is inserted inside the screening box 2 to evenly send high-pressure gas into the screening box 2 to separate precious metal-containing materials of different sizes. One side of the vent pipe 202 is welded to a high-pressure air connection pipe 203 to introduce high-pressure gas into the vent pipe 202. The high-pressure air connection pipe 203 extends outward through the screening box 2. A filter screen 204 is inserted at the opening of the screening box 2 connecting to the storage box 3.

[0026] Both the feed hopper 201 and the discharge pipe 301 are equipped with solenoid valves. The bottom of the filter screen plate 204 has a plug-in block. The plug-in block extends outward through the connection between the screening box 2 and the storage box 3. The extended end of the plug-in block is connected to a limiting block 2042 extending to both sides through a reset spring 2041. The side of the limiting block 2042 near the filter screen plate 204 abuts against the screening box 2. The side of the limiting block 2042 away from the filter screen plate 204 is a wedge-shaped surface. There are two reset springs 2041. The two reset springs 2041 and the two limiting blocks 2042 are symmetrically arranged at the bottom of the filter screen plate 204. The opening of the screening box 2 near the storage box 3 gradually decreases.

[0027] In practice, to facilitate the safe screening of materials containing precious metals, the feed hopper 201 is opened by a solenoid valve, and the materials containing precious metals to be screened are fed into the screening box 2 from the feed hopper 201. At the same time, high-pressure air is sent into the vent pipe 202 through the high-pressure air connection pipe 203 and blown through the vent pipe 202 to disperse the materials containing precious metals to be screened. At this time, the fine materials containing precious metals move along the screening box 2 towards the storage box 3 until they are guided to the filter screen plate 204. After being screened by the filter screen plate 204, they enter the storage box 3 for temporary storage.

[0028] To facilitate the use of the filter screen 204, a return spring 2041 and a limiting block 2042 are provided at the bottom of the filter screen 204. When installing the filter screen 204, push the filter screen 204 to insert it into the screening box 2. At this time, the screening box 2 will press against the limiting block 2042 and compress the return spring 2041 until the filter screen 204 is successfully inserted into the screening box 2. Then, the limiting block 2042 will pop out under the pushing action of the return spring 2041 and abut against the screening box 2. (Cleaning is required.) When cleaning the filter screen 204, the operator pushes the limiting block 2042 towards the side where the reset spring 2041 is located, and squeezes the reset spring 2041 again, which will lift the filter screen 204 upward and pull it out of the screening box 2 for cleaning. This device for screening materials containing precious metals can safely screen materials containing precious metals by cooperating with the screening box 2, the storage box 3, the filter screen 204, and high-pressure gas, effectively reducing the loss of materials containing precious metals during the screening process and achieving better screening results.

[0029] See Figures 3-5 It is known that the screening box 2 is connected to the opening of its lower outlet pipe 301 and the opening of the screening box 2 connected to the storage box 3, respectively, with outwardly movable baffle 4 and baffle 401. Both baffle 4 and baffle 401 are threadedly connected to adjusting screws 402. The outer ends of the two adjusting screws 402 are mounted on a mounting plate 403 through bearing seats. The mounting plate 403 is welded to the screening box 2. The screening box 2 is mounted with a drive motor 404 by locking bolts. The drive motor 404 is located inside the mounting plate 403. Both adjusting screws 402 and the output end of the drive motor 404 are connected to synchronous rollers 405. The threads on the outer sides of the two adjusting screws 402 are arranged in opposite directions. Multiple synchronous rollers 405 are connected by synchronous belts 406. The baffle 401 is located on the discharge side of the filter screen 204.

[0030] In specific implementation, in order to facilitate the full screening of materials containing precious metals and the stable discharge of materials containing precious metals after screening, during screening, the drive motor 404 installed on one side of the screening box 2 via locking bolts is started to rotate forward. The output end of the drive motor 404 drives the synchronous roller 405 connected to it to rotate through the coupling, and the synchronous belt 406 sleeved on the outside of the synchronous roller 405 drives the other synchronous rollers 405 and the adjusting screw 402 connected to the synchronous roller 405 to rotate. At this time, the two adjusting screws 402 with opposite rotation directions on the outer threads drive the baffle 1 4 to move inward to the screening box 2 and the baffle 2 401 to move outward to the screening box 2, respectively, blocking the channel of the discharge pipe 301 at the bottom of the screening box 2 and opening the filter channel of the filter screen 204, so that the high-pressure air can better blow the materials containing precious metals.

[0031] When it is necessary to export the precious metal-containing material inside the storage box 3, the drive motor 404 is started to reverse, and the adjusting screw 402 is rotated through the transmission action of the synchronous roller 405 and the synchronous belt 406. The two adjusting screws 402 respectively drive the baffle 1 4 to move outward of the screening box 2 and the baffle 2 401 to move inward of the screening box 2, closing the filter channel of the filter screen 204 and opening the discharge channel at the bottom of the screening box 2. This device for screening precious metal-containing materials is equipped with baffle 1 4 and baffle 2 401 inside to adjust the state of the discharge channel and the filter channel, which facilitates the screening and material export work.

[0032] In summary, when using this device for screening precious metal-containing materials, the precious metal-containing material to be screened is fed into the screening box 2 from the feed hopper 201. At the same time, high-pressure air is sent into the vent pipe 202 through the high-pressure air connection pipe 203 and blown out through the vent pipe 202, which disperses the precious metal-containing material to be screened. At this time, the fine precious metal-containing material moves along the screening box 2 towards the storage box 3 until it is guided to the filter screen plate 204. After being screened by the filter screen plate 204, it enters the storage box 3. The mounting plate 403 is used to adjust the rotation of the screw 402. The contents not described in detail in this description are prior art known to those skilled in the art.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for screening materials containing precious metals, comprising a support base (1), characterized in that: The support base (1) supports a screening box (2). A storage box (3) connected to the screening box (2) is welded to one side. Both the screening box (2) and the storage box (3) have outlet pipes (301) welded to their bottoms to discharge the screened precious metal-containing materials. The top of the screening box (2) has a feed hopper (201) welded to it to send the precious metal-containing materials to be screened into the screening box (2). A vent pipe (202) is inserted inside the screening box (2) to uniformly send high-pressure gas into the screening box (2) to separate precious metal-containing materials of different sizes. One side of the vent pipe (202) is welded to a high-pressure air connection pipe (203) to introduce high-pressure gas into the vent pipe (202). The high-pressure air connection pipe (203) extends outward through the screening box (2). A filter screen plate (204) is inserted at the opening of the screening box (2) connecting to the storage box (3).

2. A device for screening a material containing precious metals according to claim 1, characterized in that: Solenoid valves are installed inside the feed hopper (201) and the outlet pipe (301). The filter screen plate (204) has a plug-in block. The plug-in block extends outward through the connection between the screening box (2) and the storage box (3). The extended end of the plug-in block is connected to a limiting block (2042) extending to both sides through a reset spring (2041). The side of the limiting block (2042) close to the filter screen plate (204) abuts against the screening box (2). The side of the limiting block (2042) away from the filter screen plate (204) is a wedge-shaped surface.

3. A device for screening a material containing precious metals according to claim 2, characterized in that: There are two reset springs (2041). The two reset springs (2041) and the two limiting blocks (2042) are symmetrically arranged at the bottom of the filter screen (204). The opening of the screening box (2) on the side near the storage box (3) gradually decreases.

4. A device for screening a material containing precious metals according to claim 3, characterized in that: The screening box (2) has outwardly movable baffles one (4) and baffle two (401) respectively inserted at the opening of its lower outlet pipe (301) and the opening of the screening box (2) near the storage box (3).

5. An apparatus for sizing a precious metal-containing material as claimed in claim 4 wherein: The baffle one (4) and baffle two (401) are internally threaded with adjusting screws (402). The outer ends of the two adjusting screws (402) are jointly mounted with mounting plates (403) through bearing seats. The mounting plates (403) are welded to the screening box (2).

6. A device for screening a material containing precious metals according to claim 5, characterized in that: The screening box (2) is equipped with a drive motor (404) by locking bolts. The drive motor (404) is located inside the mounting plate (403). The output ends of the two adjusting screws (402) and the drive motor (404) are connected to synchronous rollers (405), and the threads on the outer sides of the two adjusting screws (402) are set in opposite directions.

7. A device for screening a material containing precious metals according to claim 6, characterized in that: Multiple synchronous rollers (405) are connected by a synchronous belt (406), and baffle two (401) is located on the discharge side of the filter screen (204).

Images