Waste circuit board precious metal extraction equipment

Abstract

The utility model relates to the technical field of waste circuit board recovery equipment, and discloses waste circuit board precious metal extraction equipment which comprises a decomposition barrel, a waste barrel located in the decomposition barrel and a mounting seat located on the outer side of the decomposition barrel. The supporting ring is arranged at the top end of the inner wall of the decomposition barrel, multiple sets of positioning holes are formed in the supporting ring, and multiple sets of positioning rods penetrating into the positioning holes are arranged at the top of the outer side of the waste barrel. According to the waste circuit board processing device, decomposition liquid and broken waste circuit boards can be conveyed into the barrel body and the waste barrel through the liquid inlet pipe and the feeding hopper respectively, the waste circuit boards in the waste barrel can be stirred through the rotating motor, the rotating shaft and the stirring rods, and dissolution of precious metal on the waste circuit boards can be accelerated; and the waste barrel and the decomposition barrel can be disassembled and assembled through a positioning rod, a positioning hole and a supporting ring, so that the waste circuit board and the decomposition liquid can be conveniently separated.

Description

Technical Field

[0001] The utility model relates to the field of waste circuit board recycling equipment, in particular to a waste circuit board precious metal extraction equipment. Background Art

[0002] Circuit board is a kind of highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. It has the characteristics of high wiring density, light weight, thin thickness and good bendability. In the field of resource recycling, precious metal extraction equipment is required to extract precious metals from waste circuit boards.

[0003] At present, the recovery and extraction process of metals in waste circuit boards generally includes: removing surface components, crushing motherboards, automatic selection, chemical decomposition, purification, etc. Most extraction devices directly put the crushed waste circuit boards into a decomposition tank with decomposition liquid, which is not convenient for separating the decomposition liquid and the waste circuit boards, resulting in low efficiency in extracting precious metals from the waste circuit boards. In addition, the crushed waste circuit boards contain a large amount of debris, which will be mixed in the decomposition liquid, resulting in poor use of the extraction equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a device for extracting precious metals from waste circuit boards to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a device for extracting precious metals from waste circuit boards, comprising a decomposition barrel, a waste barrel located inside the decomposition barrel, and a mounting seat located outside the decomposition barrel, wherein the decomposition barrel comprises:

[0006] A fixing ring arranged on the top of the outer side of the decomposition barrel;

[0007] A support ring is arranged at the top end of the inner wall of the decomposition barrel, and a plurality of positioning holes are arranged inside the support ring.

[0008] Preferably, a plurality of positioning rods penetrating into the positioning holes are provided on the top of the outer side of the waste barrel, a cover plate is provided above the top of the decomposition barrel, a feed hopper is provided on one side of the top of the cover plate, a liquid inlet pipe is provided on the other side of the top of the cover plate, a rotating motor is installed at the middle position of the top of the cover plate, a rotating shaft is connected to the output end of the rotating motor, a plurality of stirring rods are provided at the bottom end of the outer side of the rotating shaft, and hydraulic cylinders are provided at both ends of the bottom of the fixed ring.

[0009] Preferably, a filter barrel is provided on one side of the bottom of the mounting seat, a liquid pump is installed on one side of the top of the mounting seat, one end of the liquid pump is provided with a liquid suction pipe connected to the bottom of the decomposition barrel, and the other end of the liquid pump is provided with a delivery pipe penetrating into the interior of the filter barrel.

[0010] Preferably, the bottom of the fixing ring and the bottom of the mounting seat are both provided with a plurality of supporting legs, the mounting seat is welded to the decomposition barrel, and the outer side of the waste barrel is provided with a plurality of leakage holes.

[0011] Preferably, the positioning rod is detachably connected to the support ring via the positioning hole, and the waste bucket is detachably connected to the support ring via the positioning rod and the positioning hole.

[0012] Preferably, a feed pipe penetrating to the bottom of the cover plate is provided at the bottom of the feed hopper, a limiting hole is provided on one side inside the fixing ring, and a limiting rod penetrating to the inside of the limiting hole is provided at the bottom of the cover plate.

[0013] Preferably, the rotating motor is detachably connected to the cover plate via fixing bolts, and the stirring rod is transmission-connected to the rotating motor via a rotating shaft.

[0014] Preferably, the two groups of hydraulic cylinders are detachably connected to the fixing ring via fixing bolts, and the telescopic ends of the two groups of hydraulic cylinders are connected to the bottom of the cover plate.

[0015] Preferably, a control valve is provided at one end of the liquid extraction pipe away from the liquid extraction pump, a filter element is provided inside the filter barrel, and a drain pipe is provided at the bottom of the filter barrel.

[0016] Preferably, a mounting ring is provided on one side of the bottom of the mounting seat, and an outer side of the mounting ring is provided with an external thread, and the top end of the inner wall of the filter barrel is provided with an internal thread matching the mounting ring.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model can transport the decomposition liquid and the broken waste circuit boards to the inside of the barrel and the waste barrel respectively through the liquid inlet pipe and the feed hopper, and can stir the waste circuit boards inside the waste barrel by rotating the motor, the rotating shaft and the stirring rod, which can accelerate the dissolution of the precious metals on the waste circuit boards. The waste barrel and the decomposition barrel can be disassembled and assembled through the positioning rod, the positioning hole and the support ring, which is convenient for separating the waste circuit boards and the decomposition liquid, and improves the use efficiency of the extraction device;

[0019] 2. The utility model can install the filter barrel and the filter element at the bottom of the mounting seat through the mounting ring, and the decomposition liquid inside the decomposition barrel can be pumped into the inside of the filter barrel through the water pump, the liquid suction pipe and the delivery pipe, and the debris inside the decomposition liquid can be filtered to facilitate the extraction of precious metals in the decomposition liquid, so that the use effect of the extraction device is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a cross-sectional view of the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0024] In the figure: 1. decomposition barrel; 101. fixing ring; 2. waste barrel; 201. support ring; 202. positioning hole; 203. positioning rod; 204. cover plate; 205. feed hopper; 206. liquid inlet pipe; 207. rotating motor; 208. rotating shaft; 209. stirring rod; 210. hydraulic cylinder; 3. mounting seat; 301. filter barrel; 302. liquid extraction pump; 303. liquid extraction pipe; 304. delivery pipe. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-3 The utility model provides an embodiment of a device for extracting precious metals from waste circuit boards: a device for extracting precious metals from waste circuit boards, comprising a decomposition barrel 1, a waste barrel 2 located inside the decomposition barrel 1, and a mounting base 3 located outside the decomposition barrel 1, the decomposition barrel 1 comprising: a fixing ring 101 arranged at the top of the outer side of the decomposition barrel 1; a support ring 201 arranged at the top of the inner wall of the decomposition barrel 1, and a plurality of positioning holes 202 are arranged inside the support ring 201.

[0030] Please refer to Figure 1 and Figure 2 The top of the outer side of the waste barrel 2 is provided with a plurality of positioning rods 203 penetrating into the positioning holes 202. The waste barrel 2 can be installed on the top of the support ring 201 through the positioning holes 202 and the positioning rods 203. A cover plate 204 is provided above the top of the decomposition barrel 1. A feed hopper 205 is provided on one side of the top of the cover plate 204. The crushed waste circuit boards can be transported to the inside of the waste barrel 2 through the feed hopper 205. A liquid inlet pipe 206 is provided on the other side of the top of the cover plate 204. The decomposition liquid can be transported to the decomposition barrel. 1, a rotating motor 207 is installed at the middle position of the top of the cover plate 204, the output end of the rotating motor 207 is connected to the rotating shaft 208, and a plurality of stirring rods 209 are arranged at the bottom end of the outer side of the rotating shaft 208. The rotating motor 207 provides power for the rotation of the stirring rods 209, so as to stir the waste circuit boards and accelerate the dissolution of the precious metals on the waste circuit boards. Both ends of the bottom of the fixing ring 101 are provided with hydraulic cylinders 210, and the cover plate 204 can be driven to be adjusted up and down by the hydraulic cylinders 210.

[0031] Please refer to Figure 1 and Figure 3A filter barrel 301 is provided on one side of the bottom of the mounting seat 3, and the decomposition liquid can be filtered through the filter barrel 301. A liquid pump 302 is installed on one side of the top of the mounting seat 3. One end of the liquid pump 302 is provided with a liquid suction pipe 303 connected to the bottom of the decomposition barrel 1, and the other end of the liquid pump 302 is provided with a delivery pipe 304 that penetrates into the filter barrel 301, so as to pump the decomposition liquid into the filter barrel 301.

[0032] Please refer to Figure 1 and Figure 2 The bottom of the fixing ring 101 and the bottom of the mounting seat 3 are both provided with multiple sets of supporting legs, which play a supporting effect and make the use of the extraction device more stable. The mounting seat 3 is welded with the decomposition barrel 1. The outer side of the waste barrel 2 is provided with multiple sets of leakage holes, which can allow the decomposition liquid to enter the interior of the waste barrel 2, so as to dissolve the precious metals on the waste circuit boards. The positioning rod 203 is detachably connected to the support ring 201 through the positioning hole 202. The waste barrel 2 is detachably connected to the support ring 201 through the positioning rod 203 and the positioning hole 202. The positioning rod 203 and the positioning hole 202 are convenient for positioning the waste barrel 2 on the top of the support ring 201. The bottom of the feed hopper 205 is provided with a feeding pipe that penetrates to the bottom of the cover plate 204, so as to facilitate the transportation of the broken waste circuit boards to the interior of the waste barrel 2. A limiting hole is provided on one side of the interior of the fixing ring 101. A limiting rod is provided at the bottom of the cover plate 204 and penetrates into the limiting hole. The limiting hole and the limiting rod make the up and down adjustment of the cover plate 204 more stable, and the stirring rod can be adjusted to the inside of the waste bucket 2. The rotating motor 207 is detachably connected to the cover plate 204 through the fixing bolts. The rotating motor 207 is installed on the top of the cover plate 204. The stirring rod 209 is transmission-connected to the rotating motor 207 through the rotating shaft 208. The rotating motor 207 can drive the stirring rod 209 to rotate through the rotating shaft 208, so as to stir the waste circuit boards and accelerate the dissolution of the precious metals on the waste circuit boards. The two groups of hydraulic cylinders 210 are detachably connected to the fixing ring 101 through the fixing bolts. The telescopic ends of the two groups of hydraulic cylinders 210 are connected to the bottom of the cover plate 204. The cover plate 204 can be driven to be adjusted up and down through the two groups of hydraulic cylinders 210.

[0033] Please refer to Figure 1 and Figure 3 A control valve is provided at one end of the suction pipe 303 away from the suction pump 302, and the control valve can be used to control the on-off of the suction pipe 303. A filter element is provided inside the filter barrel 301, and the debris of the decomposition liquid can be filtered through the filter element. A drain pipe is provided at the bottom of the filter barrel 301, and the filtered decomposition liquid can be discharged through the drain pipe. A mounting ring is provided on one side of the bottom of the mounting seat 3, and an external thread is provided on the outer side of the mounting ring. An internal thread matching the mounting ring is provided on the top of the inner wall of the filter barrel 301. The filter cartridge 301 can be mounted on the bottom of the mounting seat 3 through the mounting ring, which is convenient for replacing the filter element.

[0034] Working principle: Before using the utility model, align the positioning rod 203 with the positioning hole 202 to install the waste bucket 2 on the top of the support ring 201, and then drive the cover plate 204 downward through the hydraulic cylinder 210, so that the stirring rod 209 can be adjusted to the inside of the waste bucket 2, and the decomposition liquid can be transported to the inside of the decomposition bucket 1 through the liquid inlet pipe 206. When in use, turn on the power, and transport the crushed waste circuit boards to the inside of the waste bucket 2 through the feed hopper 205, and drive the rotating shaft 208 to rotate by the rotating motor 207, and the rotating shaft 20 8 can drive the stirring rod 209 to rotate, thereby stirring the waste circuit boards. The decomposition liquid can enter the interior of the waste barrel 2 through the leakage hole, which can accelerate the dissolution of the precious metals on the surface of the waste circuit boards. After the dissolution is complete, the control valve at the liquid extraction pipe 303 is opened, and the decomposition liquid is extracted from the decomposition barrel 1 through the liquid extraction pump 302 and the liquid extraction pipe 303, and then transported to the interior of the filter cartridge 301 through the delivery pipe 304. The debris in the decomposition liquid is cleaned by the filter element inside the filter cartridge 301, thereby facilitating the extraction of the precious metals in the decomposition liquid.

[0035] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A device for extracting precious metals from waste circuit boards, characterized in that: The invention comprises a decomposition barrel (1), a waste barrel (2) located inside the decomposition barrel (1), and a mounting seat (3) located outside the decomposition barrel (1), wherein the decomposition barrel (1) comprises: A fixing ring (101) arranged on the top of the outer side of the decomposition barrel (1); A support ring (201) is arranged at the top end of the inner wall of the decomposition barrel (1), and a plurality of groups of positioning holes (202) are arranged inside the support ring (201).

2. The device for extracting precious metals from waste circuit boards according to claim 1, characterized in that: The top of the outer side of the waste barrel (2) is provided with a plurality of positioning rods (203) penetrating into the positioning holes (202); a cover plate (204) is provided above the top of the decomposition barrel (1); a feed hopper (205) is provided on one side of the top of the cover plate (204); a liquid inlet pipe (206) is provided on the other side of the top of the cover plate (204); a rotating motor (207) is installed at the middle position of the top of the cover plate (204); a rotating shaft (208) is connected to the output end of the rotating motor (207); a plurality of stirring rods (209) are provided at the bottom end of the outer side of the rotating shaft (208); and hydraulic cylinders (210) are provided at both ends of the bottom of the fixing ring (101).

3. The device for extracting precious metals from waste circuit boards according to claim 1, characterized in that: A filter barrel (301) is arranged on one side of the bottom of the mounting seat (3), a liquid extraction pump (302) is installed on one side of the top of the mounting seat (3), one end of the liquid extraction pump (302) is provided with a liquid extraction pipe (303) connected to the bottom of the decomposition barrel (1), and the other end of the liquid extraction pump (302) is provided with a delivery pipe (304) penetrating into the interior of the filter barrel (301).

4. The device for extracting precious metals from waste circuit boards according to claim 1, characterized in that: The bottom of the fixing ring (101) and the bottom of the mounting seat (3) are both provided with a plurality of supporting legs, the mounting seat (3) is welded to the decomposition barrel (1), and the outer side of the waste barrel (2) is provided with a plurality of leakage holes.

5. The device for extracting precious metals from waste circuit boards according to claim 2, characterized in that: The positioning rod (203) is detachably connected to the support ring (201) via the positioning hole (202), and the waste bucket (2) is detachably connected to the support ring (201) via the positioning rod (203) and the positioning hole (202).

6. The device for extracting precious metals from waste circuit boards according to claim 2, characterized in that: The bottom of the feed hopper (205) is provided with a feed pipe penetrating to the bottom of the cover plate (204), a limiting hole is provided on one side inside the fixing ring (101), and the bottom of the cover plate (204) is provided with a limiting rod penetrating to the inside of the limiting hole.

7. The device for extracting precious metals from waste circuit boards according to claim 2, characterized in that: The rotating motor (207) is detachably connected to the cover plate (204) via fixing bolts, and the stirring rod (209) is drivingly connected to the rotating motor (207) via a rotating shaft (208).

8. The device for extracting precious metals from waste circuit boards according to claim 2, characterized in that: The two groups of hydraulic cylinders (210) are detachably connected to the fixing ring (101) via fixing bolts, and the telescopic ends of the two groups of hydraulic cylinders (210) are connected to the bottom of the cover plate (204).

9. The device for extracting precious metals from waste circuit boards according to claim 3, characterized in that: A control valve is provided at one end of the liquid extraction pipe (303) away from the liquid extraction pump (302), a filter element is provided inside the filter barrel (301), and a drainage pipe is provided at the bottom of the filter barrel (301).

10. The device for extracting precious metals from waste circuit boards according to claim 3, characterized in that: A mounting ring is provided on one side of the bottom of the mounting seat (3), and an external thread is provided on the outer side of the mounting ring. An internal thread matching the mounting ring is provided on the top of the inner wall of the filter barrel (301).

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