Pretreatment device for waste containing precious metals of platinum, palladium and rhodium
By adjusting the gap between the crushing rollers and using synchronous grading crushing technology, the problem of insufficient adaptability of existing equipment to diverse forms of electronic waste has been solved, achieving effective crushing, separation and purification of precious metals, and improving the practicality and efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
Existing equipment is difficult to adapt to the diverse forms of electronic waste, and the crushing spacing is difficult to control, which leads to increased loss of precious metals and increased difficulty in subsequent separation and purification.
A pretreatment device for platinum, palladium, and rhodium precious metal waste is designed. The device uses an electric push rod to adjust the spacing of the crushing rollers and synchronous graded crushing is achieved through synchronous belt drive. The device combines the adjustment mechanism and the crushing mechanism to adapt to diverse forms of electronic waste and control the degree of crushing.
It achieves adaptive crushing of diverse electronic waste, avoids loss of precious metals, improves crushing efficiency and subsequent separation and purification efficiency, and reduces dust.
Smart Images

Figure CN224100799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic waste processing technical field especially relates to a kind of platinum palladium rhodium containing precious metal waste pretreatment device. BACKGROUND
[0002] Electronic waste contains platinum, palladium, rhodium and other precious metals, in order to reduce resource waste, will be enriched, separated and purified by corresponding processing device to the precious metals in waste.In the pretreatment stage of electronic waste, it is often crushed by a crushing device to make the particle size smaller, increase the contact area of precious metals and subsequent processing reagent, and improve the reaction efficiency.
[0003] Patent No. CN214320315U discloses an electronic waste crushing device, comprising a box body, the top and bottom ends of the box body are respectively provided with a feeding port and a discharging port, the inside of the box body is provided with a coarse crushing mechanism and a fine crushing mechanism, and the coarse crushing mechanism is arranged above the fine crushing mechanism, a feeding hopper is arranged on the discharging port, and a pressing mechanism is arranged on the inner wall of the feeding hopper. The utility model discloses a coarse crushing mechanism and a fine crushing mechanism arranged in the box body at the same time, which can ensure the crushing fineness of electronic waste after two crushing processes, and can directly realize separation and improve the crushing effect. At the same time, by arranging the pressing mechanism in the feeding hopper, when large waste needs to be crushed, the waste can be pressed by the pressing mechanism to prevent it from rolling, which facilitates the crushing of the crushing mechanism.
[0004] However, the above-mentioned electronic waste crushing device still has the following disadvantages:
[0005] Although the above-mentioned device can improve the crushing effect through the coarse crushing mechanism and the fine crushing mechanism, the types of electronic waste are various, and the forms are different, so it is difficult for a set of fixed-distance crushing rollers to adapt to various forms of electronic waste, and it is also difficult to control the crushing degree of electronic waste. A larger crushing distance cannot fully crush the material, and a smaller crushing distance will cause excessive crushing, thereby increasing the difficulty of subsequent separation and purification. In view of this, we propose a platinum palladium rhodium containing precious metal waste pretreatment device. UTILITY MODEL CONTENTS
[0006] The utility model aims to overcome the shortcomings of the prior art, adapt to the actual needs, and provide a platinum palladium rhodium containing precious metal waste pretreatment device to solve the technical problem that although the current device can improve the crushing effect through the coarse crushing mechanism and the fine crushing mechanism, the types of electronic waste are various, and the forms are different, so it is difficult for a set of fixed-distance crushing rollers to adapt to various forms of electronic waste, and it is also difficult to control the crushing degree of electronic waste. A larger crushing distance cannot fully crush the material, and a smaller crushing distance will cause excessive crushing, thereby increasing the difficulty of subsequent separation and purification.
[0007] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: a kind of platinum palladium rhodium precious metal waste pretreatment device is designed, including electronic waste treatment box, the front and rear surfaces of the electronic waste treatment box are symmetrically provided with a set of adjusting mechanism, the front and rear surfaces of the electronic waste treatment box are provided with two sets of sliding grooves, and the middle part of the electronic waste treatment box is provided with a crushing mechanism;
[0008] The adjusting mechanism includes a work-shaped frame, the work-shaped frame is attached to the surface of the electronic waste treatment box, an extension plate is fixed on one side of the work-shaped frame, an electric push rod is connected to the surface of the extension plate, and a positioning plate is fixed to the end of the electric push rod away from the extension plate.
[0009] Preferably, a set of clamping grooves are symmetrically provided inside the work-shaped frame, and the work-shaped frame and the extension plate are integrally formed.
[0010] Preferably, the extension plate and the positioning plate constitute a telescopic structure through the electric push rod, and the positioning plate is fixedly connected to the electronic waste treatment box.
[0011] Preferably, the crushing mechanism includes a coarse crushing roller, a set of coarse crushing rollers are clamped above the inside of the electronic waste treatment box, a set of fine crushing rollers are arranged below the coarse crushing rollers, a driving wheel is fixed to the rear end of the coarse crushing roller, a driven wheel is fixed to the rear end of the fine crushing roller, a synchronous belt is sleeved outside the driving wheels and driven wheels distributed vertically, a first motor is connected to the outer end of a driving wheel, a second motor is connected to the outer end of another driving wheel, and a fixed frame is sleeved outside the first motor and the second motor.
[0012] Preferably, the end parts of the coarse crushing rollers and the fine crushing rollers are movably clamped in the sliding grooves, and the parts of the end parts of the coarse crushing rollers and the fine crushing rollers exceeding the sliding grooves are matched and clamped in the clamping grooves provided inside the work-shaped frame.
[0013] Preferably, a set of driven wheels constitute a transmission structure through a set of synchronous belts, a first motor, a second motor and a set of driving wheels.
[0014] Preferably, the first motor and the second motor rotate clockwise and counterclockwise respectively, and the fixed frames outside the first motor and the second motor are fixedly connected to the work-shaped frames attached thereto respectively.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1.The utility model discloses a motorized push rod effectively drives the extension plate and the channel section frame to translate, thereby can adjust the spacing between a group of rough crushing rollers and a group of fine crushing rollers, facilitate the adaptation of various electronic waste forms, and can control the crushing degree of electronic waste, avoid excessive crushing or insufficient crushing of materials due to excessive or insufficient crushing spacing, and improve the practicability of the device.
[0017] 2.The utility model discloses a first motor, second motor respectively drive a group of driving wheels clockwise rotation, counterclockwise rotation, under the action of synchronous belt, a group of driven wheels respectively follow above a group of driving wheels clockwise rotation, counterclockwise rotation, can effectively realize a group of rough crushing rollers, a group of fine crushing rollers synchronous classification crushing operation of electronic waste, improve the crushing effect. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0019] Fig. 2 It is the local partial dismantling structure schematic diagram of the utility model;
[0020] Fig. 3 It is another view whole structure schematic diagram of the utility model;
[0021] Fig. 4 It is the local section structure schematic diagram of the utility model;
[0022] In the drawing: 1, electronic waste treatment box;2, adjusting mechanism;3, sliding groove;4, crushing mechanism;
[0023] 201, channel section frame;202, extension plate;203, motorized push rod;204, positioning plate;
[0024] 401, rough crushing roller;402, fine crushing roller;403, driving wheel;404, driven wheel;405, synchronous belt;406, first motor;407, second motor;408, fixed frame. DETAILED DESCRIPTION
[0025] The utility model is further illustrated below in combination with the drawings and examples:
[0026] A kind of platinum palladium rhodium containing precious metal waste pre-treatment device, referring to Figs. 1 to 4The utility model provides an electronic waste processing box, including electronic waste processing box 1, a group of adjusting mechanisms 2 are symmetrically arranged on the front and back surfaces of electronic waste processing box 1, two groups of sliding slots 3 are formed on the front and back surfaces of electronic waste processing box 1, and a crushing mechanism 4 is arranged in the middle of electronic waste processing box 1.
[0027] Adjusting mechanism 2 includes the work type frame 201, the work type frame 201 is attached to the surface of electronic waste processing box 1, the work type frame 201 one side is fixed with the extension plate 202, wherein, the work type frame 201 inside upper and lower symmetry is formed with a group of clamping slots, the work type frame 201 and the extension plate 202 are integrally formed, the extension plate 202 surface is connected with electric push rod 203, the one end of electric push rod 203 away from the extension plate 202 is fixedly connected with the positioning plate 204, further, the extension plate 202 passes through electric push rod 203 and the positioning plate 204 and forms telescopic structure, and the positioning plate 204 and electronic waste processing box 1 are fixedly connected.The utility model discloses a kind of electric push rod 203 effectively drive extension plate 202 and work type frame 201 to be translated, to adjust the spacing between a group of coarse crushing rollers 401, a group of fine crushing rollers 402 simultaneously, it is convenient to adapt to the electronic waste form, while the degree of crushing of electronic waste can be controlled, avoid that the material cannot be fully crushed or over-crushed to cause the loss of noble metal such as platinum, palladium, rhodium due to the fact that crushing spacing is too large or too small, improve device practicability, since electronic waste processing box 1 supports coarse crushing roller 401 and fine crushing roller 402, therefore, work type frame 201 is not affected by the gravity of coarse crushing roller 401 and fine crushing roller 402, work type frame 201 is positioned and guided to coarse crushing roller 401 and fine crushing roller 402 at the same time always shield the outside opening of sliding slot 3, reduce dust raising.
[0028] It is worth noting that the crushing mechanism 4 includes coarse crushing rollers 401, a set of coarse crushing rollers 401 is clamped above the inside of the electronic waste treatment box 1, and a set of fine crushing rollers 402 is arranged below the set of coarse crushing rollers 401, wherein the end of the coarse crushing roller 401 and the end of the fine crushing roller 402 are movably clamped in the chute 3, the part of the end of the coarse crushing roller 401 and the end of the fine crushing roller 402 exceeding the chute 3 is matched and clamped in the clamping groove arranged in the inside of the I-shaped frame 201, the rear end of the coarse crushing roller 401 is fixedly connected with a driving wheel 403, and the rear end of the fine crushing roller 402 is fixedly connected with a driven wheel 404; the outer sides of the upper and lower driving wheels 403 and the driven wheels 404 are sleeved with synchronous belts 405, the outer end of a certain driving wheel 403 is connected with a first motor 406, and the outer end of another driving wheel 403 is connected with a second motor 407; further, a set of driven wheels 404 form a transmission structure with a set of driving wheels 403 through a set of synchronous belts 405, a first motor 406 and a second motor 407; the outer sides of the first motor 406 and the second motor 407 are sleeved with fixing frames 408; further, the first motor 406 and the second motor 407 rotate clockwise and counterclockwise respectively; and the fixing frames 408 on the outer sides of the first motor 406 and the second motor 407 are fixedly connected with the I-shaped frame 201 which is in close contact with the fixing frames 408. The first motor 406 and the second motor 407 drive a set of driving wheels 403 to rotate clockwise and counterclockwise respectively, and a set of driven wheels 404 rotate clockwise and counterclockwise respectively following a set of driving wheels 403 above under the action of the synchronous belt 405, so that the synchronous and staged crushing operation of a set of coarse crushing rollers 401 and a set of fine crushing rollers 402 on electronic waste can be effectively realized, and the crushing effect is improved.
[0029] Working principle: the outer extension plate 202 and the I-shaped frame 201 are translated by the electric push rod 203, so that the spacing between a set of coarse crushing rollers 401 and a set of fine crushing rollers 402 can be adjusted at the same time, various forms of electronic waste can be adapted, the crushing degree of electronic waste can be controlled, the material cannot be fully crushed or excessively crushed to cause loss of precious metals such as platinum, palladium and rhodium due to too large or too small crushing spacing, and since the electronic waste treatment box 1 supports the coarse crushing roller 401 and the fine crushing roller 402, the I-shaped frame 201 is not affected by the gravity of the coarse crushing roller 401 and the fine crushing roller 402, the I-shaped frame 201 shields the outer opening of the chute 3 while limiting and guiding the coarse crushing roller 401 and the fine crushing roller 402, dust is reduced, then the first motor 406 and the second motor 407 drive a set of driving wheels 403 to rotate clockwise and counterclockwise respectively, and a set of driven wheels 404 rotate clockwise and counterclockwise respectively following a set of driving wheels 403 above under the action of the synchronous belt 405, so that the synchronous and staged crushing operation of a set of coarse crushing rollers 401 and a set of fine crushing rollers 402 on electronic waste can be realized, and the crushing effect is improved.
[0030] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.
Claims
1. A platinum, palladium, and rhodium containing precious metal waste pre-treatment device comprising an electronic waste processing tank (1), characterized in that, The electronic waste treatment box (1) is symmetrically provided with a group of adjusting mechanisms (2) on the front and rear surfaces, and is provided with two groups of sliding grooves (3) on the front and rear surfaces. The adjusting mechanism (2) comprises a work-shaped frame (201), which is attached to the surface of the electronic waste treatment box (1), and one side of the work-shaped frame (201) is fixedly provided with an extension plate (202), and the surface of the extension plate (202) is connected with an electric push rod (203), and one end of the electric push rod (203) away from the extension plate (202) is fixedly connected with a positioning plate (204).
2. A platinum, palladium, and rhodium containing precious metal scrap pre-treatment device as claimed in claim 1, wherein, A group of clamping grooves are symmetrically formed in the work-shaped frame (201), and the work-shaped frame (201) and the extension plate (202) are integrally formed.
3. A platinum group metal containing waste pre-treatment device as claimed in claim 1, characterised in that, The extension plate (202) and the positioning plate (204) constitute a telescopic structure through the electric push rod (203), and the positioning plate (204) is fixedly connected with the electronic waste treatment box (1).
4. A platinum group metal containing waste pre-treatment apparatus as claimed in claim 1, characterised in that, The crushing mechanism (4) comprises a coarse crushing roller (401), a group of coarse crushing rollers (401) are arranged above the inside of the electronic waste treatment box (1), a group of fine crushing rollers (402) are arranged below the coarse crushing rollers (401), a driving wheel (403) is fixedly connected to the rear end of the coarse crushing roller (401), a driven wheel (404) is fixedly connected to the rear end of the fine crushing roller (402), the driving wheels (403) and the driven wheels (404) distributed above and below are sleeved with a synchronous belt (405) outside, a first motor (406) is connected to the outer end of one of the driving wheels (403), a second motor (407) is connected to the outer end of the other driving wheel (403), and the first motor (406) and the second motor (407) are sleeved with a fixed frame (408) outside.
5. A platinum group metal containing precious metal waste pre-treatment apparatus as claimed in claim 4, characterised in that, The end portions of the coarse crushing rollers (401) and the fine crushing rollers (402) are movably clamped in the sliding grooves (3), and the portions of the coarse crushing rollers (401) and the fine crushing rollers (402) exceeding the sliding grooves (3) are matched and clamped in the clamping grooves formed in the work-shaped frame (201).
6. A platinum group metal containing precious metal waste pre-treatment apparatus as claimed in claim 4, characterised in that, A group of driven wheels (404) constitute a transmission structure through a group of synchronous belts (405), a first motor (406), a second motor (407) and a group of driving wheels (403).
7. A platinum group metal containing waste pre-treatment apparatus as claimed in claim 4, characterised in that, The first motor (406) and the second motor (407) rotate clockwise and counterclockwise respectively, and the fixed frames (408) outside the first motor (406) and the second motor (407) are fixedly connected with the work-shaped frames (201) attached thereto respectively.
Citation Information
Patent Citations
Electronic waste crushing device
CN214320315U