A germanium-containing solid waste recycling production system and method

Abstract

The present application relates to solid waste recycling technical field, specifically to a kind of germanium-containing solid waste recycling production system and method, including base, support frame, collection shell, storage box and separation component, support frame is fixedly connected with base, and located at one side of base, collection shell is set on support frame, separation component includes linear motion cylinder, rotating head, cover plate, feed pipe, discharge pipe, rotating base plate and rotating motor, rotating base plate rotation is set in collection shell, the output of rotating motor is connected with rotating base plate, linear motion cylinder is set in the top of collection shell, rotating head rotation is set on the output of linear motion cylinder, cover plate rotation is set on rotating head, feed pipe and discharge pipe pass through rotating head, and are close to rotating base plate, feed valve and discharge valve are respectively set on feed pipe and discharge pipe, so that more conveniently discharge the impurities after separation, to continue separating subsequent leaching solution to improve work efficiency.

Description

Technical Field

[0001] This invention relates to the field of solid waste recycling technology, and in particular to a germanium-containing solid waste recycling production system and method. Background Technology

[0002] The semiconductor manufacturing process generates a large amount of germanium-containing waste, such as waste semiconductor chips, germanium substrate wafers, and process waste. With the increasing demand for germanium and its growing scarcity, recovering germanium from various germanium-containing wastes, such as slag, waste liquid, and waste electronic products, has become particularly important. By employing physical, chemical, or biological methods, these germanium-containing solid wastes can be treated to achieve effective germanium recovery, which not only helps alleviate the shortage of germanium resources but also reduces environmental pollution and promotes resource recycling.

[0003] In the current waste treatment process, it is necessary to separate solid impurities contained in the leachate. However, if the existing separation method is used, the impurities will remain in the container and will not be easy to remove, thus reducing the efficiency of continuous processing. Summary of the Invention

[0004] The purpose of this invention is to provide a germanium-containing solid waste recycling production system and method, which aims to more conveniently discharge the separated impurities, thereby facilitating the continued separation of subsequent leachate and improving work efficiency.

[0005] To achieve the above objectives, in a first aspect, the present invention provides a germanium-containing solid waste recycling production system, comprising a base, a support frame, and a collection shell. The support frame is fixedly connected to the base and located on one side of the base. The collection shell is disposed on the support frame. The system also includes a storage bin and a separation assembly. The separation assembly includes a linear motion cylinder, a rotating head, a cover plate, a feed pipe, a discharge pipe, a rotating chassis, and a rotating motor. The rotating chassis is rotatably disposed within the collection shell. The output end of the rotating motor is connected to the rotating chassis. The linear motion cylinder is disposed on the top of the collection shell. The rotating head is rotatably disposed on the output end of the linear motion cylinder. The cover plate is rotatably disposed on the rotating head. The feed pipe and the discharge pipe pass through the rotating head and are close to the rotating chassis. The feed pipe is connected to the storage bin. A feed valve and a discharge valve are respectively disposed on the feed pipe and the discharge pipe.

[0006] The rotating head includes a connecting head and a rotating ring. The connecting head has a flow hole and is connected to the output end of the linear motion cylinder. The rotating ring is rotatably mounted on the connecting head and connected to the cover plate.

[0007] The separation assembly further includes a return spring, which is disposed between the linear motion cylinder and the connector.

[0008] The cover plate has a support wall that is inclined so that impurities that move onto the support wall under centrifugal force move down the support wall and concentrate.

[0009] The cover plate also has a placement cavity, which is located at the bottom of the support wall and contacts the rotating chassis.

[0010] The separation component further includes a support ring, which is disposed on the rotating chassis.

[0011] The separation component also includes a solid waste collection channel, which is located on the outside of the rotating chassis.

[0012] Secondly, the present invention also provides a method for recycling germanium-containing solid waste, comprising: crushing germanium-containing solid waste and dissolving it with an acid solution to obtain a leachate;

[0013] Open the feed valve and send the leachate through the feed pipe into the space between the rotating chassis and the cover plate;

[0014] The rotating motor is started to drive the rotating base plate to rotate at high speed, so that the leached impurities move to the outer ring of the rotating base plate under centrifugal force to separate from the liquid;

[0015] After separation, under the action of gravity, the impurities in the outer ring fall onto the rotating chassis. The feed valve is closed and the discharge valve is opened, and the germanium-containing liquid is discharged into the storage tank through the discharge pipe.

[0016] The germanium-containing solution was extracted using an organic solvent in a storage tank.

[0017] This invention discloses a germanium-containing solid waste recycling production system and method. A support frame is securely connected to a base, providing necessary support and ensuring the system's stability and durability. A collection shell is installed on the support frame to house subsequent processing components and centrally manage materials during processing. During operation, a linear motion cylinder moves a cover plate downwards to close the rotating chassis. Then, the feed valve is opened, allowing material placed in the storage bin to enter the enclosed space between the rotating chassis and the top cover through the feed pipe. The rotating motor is then started, driving the rotating chassis to rotate at high speed. Under high-speed centrifugal force, the leachate and solid waste separate, with the heavier solid waste distributed on the outer layer and the leachate on the inner layer. The rotation speed is then gradually reduced, and the discharge valve is opened, discharging the separated leachate through the discharge pipe. The top cover is then opened, and the rotating chassis is restarted, allowing the waste remaining on the chassis to be thrown out by centrifugal force, making cleaning easier and facilitating subsequent solid-liquid separation, thus improving processing efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural diagram of a germanium-containing solid waste recycling production system according to the present invention.

[0020] Figure 2 This is a structural diagram of a germanium-containing solid waste recycling production system according to the present invention.

[0021] Figure 3 This is a first cross-sectional structural diagram of a germanium-containing solid waste recycling production system according to the present invention.

[0022] Figure 4 yes Figure 3 A magnified view of detail A.

[0023] Figure 5 yes Figure 3 A magnified view of detail B.

[0024] Figure 6 This is a second cross-sectional view of a germanium-containing solid waste recycling production system according to the present invention.

[0025] Figure 7 This is a flowchart of a method for recycling germanium-containing solid waste according to the present invention.

[0026] Base 101, support frame 102, collection shell 103, storage box 104, linear motion cylinder 106, rotating head 107, cover plate 108, feed pipe 109, discharge pipe 110, rotating chassis 111, rotating motor 112, box body 113, liquid level sensor 114, stirring motor 116, stirring rod 117, stirring blade 118, connector 119, rotating ring 120, flow hole 121, return spring 122, support wall 123, placement cavity 124, support ring 127, conical baffle 129, discharge channel 130, cleaning head body 135, triangular push block 136, second spring 137, push rod 138. Detailed Implementation

[0027] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of this invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, in the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] First Embodiment

[0030] Please see Figures 1-6 This invention provides a germanium-containing solid waste recycling production system, including a base 101, a support frame 102, and a collection shell 103. The support frame 102 is fixedly connected to the base 101 and located on one side of the base 101. The collection shell 103 is disposed on the support frame 102. The system also includes a storage bin 104 and a separation assembly. The separation assembly includes a linear motion cylinder 106, a rotating head 107, a cover plate 108, a feed pipe 109, a discharge pipe 110, a rotating chassis 111, and a rotating motor 112. The rotating chassis 111 is rotatably disposed inside the collection shell 103, and the output end of the rotating motor 112 is connected to the rotating chassis 111. The linear motion cylinder 106 is disposed on the top of the collection shell 103, the rotating head 107 is rotatably disposed on the output end of the linear motion cylinder 106, and the cover plate 108 is rotatably disposed on the rotating head 107. The rotating chassis 111 fits and seals the bottom opening of the cover plate 108. The feed pipe 109 and the discharge pipe 110 pass through the rotating head 107 and are close to the rotating chassis 111. The feed pipe 109 is connected to the storage box 104. A feed valve and a discharge valve are respectively provided on the feed pipe 109 and the discharge pipe 110.

[0031] In this embodiment, the support frame 102 is firmly connected to the base 101, providing necessary support and ensuring the stability and durability of the system. The collection shell 103 is installed on the support frame 102 to accommodate subsequent processing components and to centrally manage materials during the processing.

[0032] During operation, the linear motion cylinder 106 drives the cover plate 108 to move down to close the rotating chassis 111. Then, the feed valve is opened, allowing the material placed in the storage box 104 to enter the closed space between the rotating chassis 111 and the top cover through the feed pipe 109. Then, the rotating motor 112 is started, driving the rotating chassis 111 to rotate at high speed. Under the action of high-speed centrifugation, the leachate and solid waste are separated. The solid waste, being heavier, is distributed on the outer layer, while the leachate is on the inner layer. Then, the rotation speed is gradually reduced, and the discharge valve is opened, and the separated leachate is discharged through the discharge pipe 110. Then, the top cover is opened, and the rotating chassis 111 is started to rotate again, so that the waste remaining on the rotating chassis 111 can be thrown out under the action of centrifugal force, making cleaning easier and facilitating the next solid-liquid separation, thus improving processing efficiency.

[0033] The storage tank 104 includes a tank body 113, a liquid level sensor 114, and a stirrer. The liquid level sensor 114 is disposed inside the tank body 113, and the stirrer is rotatably disposed inside the tank body 113.

[0034] The housing 113 is the basic structure of the storage tank 104, used to hold germanium-containing solid waste to be processed. To enable real-time monitoring of the material level within the housing 113, a level sensor 114 is specifically configured. This sensor is precisely installed inside the housing 113 and continuously monitors changes in the material's height or volume, feeding this data back to the control system. This allows operators to adjust the feeding speed or other parameters according to the actual situation, ensuring stable system operation.

[0035] The agitator is another key component in the storage tank 104. It is mainly used to prevent solid waste from settling or clumping during storage and to ensure that the material is evenly distributed.

[0036] In a preferred embodiment of this solution, the stirrer includes a stirring motor 116, a stirring rod 117, and a stirring blade 118. The stirring rod 117 is rotatably disposed inside the housing 113. The output end of the stirring motor 116 is connected to the stirring rod 117, and the stirring blade 118 is connected to the stirring rod 117.

[0037] The stirring rod 117 is rotatably mounted inside the housing 113, allowing it to rotate freely. The stirring motor 116 serves as the power source, with its output directly connected to the stirring rod 117, driving the stirring rod 117 to rotate. The stirring blades 118 are key components fixedly connected to the stirring rod 117. When the stirring rod 117 rotates, the stirring blades 118 also move, effectively breaking up any agglomerates or sediment layers that may form by applying shearing and pushing forces to the material, maintaining good flowability of the material.

[0038] The rotating head 107 includes a connector 119 and a rotating ring 120. The connector 119 has a flow hole 121 and is connected to the output end of the linear motion cylinder 106. The rotating ring 120 is rotatably mounted on the connector 119 and is connected to the cover plate 108.

[0039] The connector 119 is the basic part of the rotary head 107. It not only connects to the output end of the linear motion cylinder 106, but also features a flow hole 121. This design allows the feed pipe 109 and the discharge pipe 110 to pass through and connect to other components, ensuring that materials can flow smoothly into or out of the rotary head 107. By tightly connecting the connector 119 to the output end of the linear motion cylinder 106, precise control of the position of the rotary head 107 can be achieved, allowing the entire system to be flexibly adjusted under different operating conditions to adapt to various processing requirements.

[0040] The rotating ring 120 is the key component in the rotating head 107 responsible for realizing the rotation function. It is cleverly rotatably mounted on the connector 119, allowing it to rotate freely around the connector 119, thereby enabling the top cover to rotate together with the rotating chassis 111.

[0041] In a preferred embodiment of this solution, the separation assembly further includes a return spring 122, which is disposed between the linear motion cylinder 106 and the connector 119.

[0042] The return spring 122 enables the connector 119 to quickly return to its initial position after the linear motion cylinder 106 has finished its operation, providing a physical "memory" mechanism that allows the system to start a new round of operation from the same state each time, increasing the reliability and repeatability of the system.

[0043] As a preferred embodiment of this solution, the bottom end of the cover plate 108 has a support wall 123. The support wall 123 is inclined and gradually increases in size from top to bottom, so that impurities that move onto the support wall 123 under the action of centrifugal force move down and concentrate along the support wall 123.

[0044] In order to facilitate the collection and concentration of solid impurities that move onto the support wall 123 during operation and reduce the possibility of them spreading into the liquid, the support wall 123 of this application is inclined so that after the impurities move to contact the support wall 123, the centrifugal force will form a downward component force, allowing heavier solid impurities to be collected downwards.

[0045] In a preferred embodiment of this solution, the cover plate 108 also has a placement cavity 124, which is located at the bottom of the support wall 123 and contacts the rotating chassis 111.

[0046] The placement cavity 124 is provided at the bottom of the cover plate 108. The radius of the placement cavity 124 is larger than the radius of the support wall 123, so that the fixed impurities moving downward can be concentrated in the placement cavity 124, further reducing the possibility of diffusion into the liquid.

[0047] The separation assembly also includes a support ring 127, which is disposed on the rotating base 111. The support ring 127 and the placement cavity 124 can form a region for containing solid impurities, so that when the solution is extracted, the solid impurities do not diffuse into the region within the support ring 127 under the influence of gravity.

[0048] In a preferred embodiment of this solution, the separation component further includes a solid waste collection channel, which is disposed on the outside of the rotating chassis 111.

[0049] The solid waste collection channel includes a conical baffle 129, a discharge channel 130, and a cleaning head. The conical baffle 129 is disposed on the outside of the rotating chassis 111, the discharge channel 130 is disposed at the bottom of the conical baffle 129, and the cleaning head is rotatably disposed on the conical baffle 129. The cleaning head has a first cleaning position and a second cleaning position. In the first cleaning position, the rotating chassis 111 is cleaned; in the second cleaning position, the discharge channel 130 is cleaned.

[0050] The conical baffle 129 is located on the outside of the rotating chassis 111. Its shape helps guide solid waste along a specific path, preventing waste from scattering or accumulating randomly within the system. This design not only improves the efficiency of waste collection but also reduces system failures caused by waste blockage. A discharge channel 130 is provided at the bottom of the conical baffle 129 to smoothly discharge the collected solid waste from the system, facilitating subsequent centralized processing or disposal. To ensure the cleanliness and operational efficiency of the system, multiple cleaning heads are rotatably mounted on the conical baffle 129. After preparation, the linear motion cylinder 106 moves the cover plate 108 upward, and the cleaning heads move to the first cleaning position, aligning with the rotating chassis 111 to spray liquid and clean the chassis 111. Then, the rotating chassis 111 rotates, and under centrifugal force, the cleaned liquid and impurities are thrown outwards onto the conical baffle 129. Afterward, the cleaning heads move to the second position to rinse the conical baffle 129, preventing contamination or equipment damage caused by waste residue. The cleaning heads are designed to be flexible enough to adjust their angle and position as needed to achieve the best cleaning results.

[0051] In a preferred embodiment of this solution, the cleaning head includes a cleaning head body 135, a triangular push block 136, a second spring 137, and a push rod 138. The cleaning head body 135 is rotatably mounted on the conical baffle 129 via a pin. The triangular push block 136 is slidably mounted on the conical baffle 129 and located on one side of the support wall 123. The push rod 138 is rotatably connected to the triangular push block 136 and the cleaning head body 135 via a pin and is located between the triangular push block 136 and the cleaning head body 135. The second spring 137 is used to reset the triangular push block 136.

[0052] After preparation, the triangular pusher 136 is installed in the groove on the conical baffle 129. The cover plate 108 moves upward, so that it can contact the side of the triangular pusher 136 through the support wall 123, thereby pushing the triangular pusher 136 to slide. The triangular pusher 136 pushes the push rod 138 to move, thereby causing the cleaning head body 135 to tilt to align with the rotating base 111. Then, the cleaning head body 135 is activated to spray cleaning liquid onto the rotating base 111. Then, the rotating base 111 is activated to rotate, so that the cleaning liquid is thrown onto the conical baffle 129 by centrifugal force and along the conical baffle 129. 29 flows downwards. At this time, the cover plate 108 moves downwards and closes with the rotating base 111. The second spring 137 is fixed between the triangular push block 136 and the collection shell 103 by welding or by setting hooks on the triangular push block 136 and the collection shell 103. The triangular push block 136 is reset under the action of the second spring 137, thereby driving the cleaning head body 135 to align with the conical baffle 129. The cleaning head body 135 is activated to spray cleaning fluid onto the conical baffle 129 to clean it. Thus, two structures can be cleaned with the same cleaning head, resulting in a better cleaning effect.

[0053] Second Embodiment

[0054] Please see Figure 7 The present invention also provides a method for recycling germanium-containing solid waste, comprising:

[0055] S201 crushes germanium-containing solid waste and dissolves it with an acid solution to obtain a leachate;

[0056] Germanium-containing solid waste is fed into a crushing device for pulverization to increase its surface area, facilitating subsequent chemical reactions. The pulverized material is then mixed with a specific ratio of acid solution and reacted thoroughly under appropriate temperature and stirring conditions. This process dissolves germanium and other soluble impurities in the acid solution, forming a leachate containing germanium ions. This step is crucial for improving germanium recovery efficiency.

[0057] S202 Open the feed valve and send the leachate through the feed pipe 109 into the space between the rotating chassis 111 and the cover plate 108;

[0058] After the leaching process is completed, the feed valve is opened, and the prepared leachate is transported through the feed pipe 109 to the sealed space formed between the rotating chassis 111 and the cover plate 108 in the system by a pump or gravity. This step ensures that the leachate can accurately enter the predetermined area, preparing for the next separation operation.

[0059] S203 starts the rotating motor 112 to drive the rotating base plate to rotate at high speed, so that the leached impurities move to the outer ring of the rotating base plate 111 under centrifugal force to separate from the liquid.

[0060] The rotating motor 112 is started, driving the rotating chassis 111 to rotate at high speed. Due to centrifugal force, heavier impurities in the leachate move to the outer ring of the rotating chassis 111 and deposit there, while the solution containing germanium ions remains in the center. This separation method based on density difference can effectively remove most insoluble impurities, significantly improving the purity of germanium.

[0061] After S204 is separated, the impurities on the outer ring fall onto the rotating chassis 111 under the action of gravity. The feed valve is closed and the discharge valve is opened. The liquid containing germanium is discharged into the storage tank 104 through the discharge pipe 110.

[0062] After the impurities are successfully separated and deposited on the outer ring, they fall naturally onto the rotating chassis 111 under gravity. At this point, the feed valve is closed to prevent new leachate from entering, while the discharge valve is opened to allow the pre-purified germanium ion-containing solution to flow into the storage tank 104 through the discharge pipe 110. Precise control of the valve opening and closing times is crucial to ensuring the quality of the final product during this process.

[0063] S205 uses an organic solvent to extract the germanium-containing solution in storage tank 104.

[0064] The germanium-containing solution is extracted using a specific organic solvent in storage tank 104. Choosing a suitable organic solvent can optimize the extraction process based on the differences in partition coefficients between germanium and other impurities. Through multiple extractions, the germanium element can be further purified, ultimately yielding a high-purity germanium product.

[0065] The above description discloses only one preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. Those skilled in the art will understand that all or part of the processes of the above embodiments can be implemented, and equivalent changes made in accordance with the claims of the present invention are still within the scope of the invention.

Claims

1. A germanium-containing solid waste recycling production system, comprising a base, a support frame and a collection shell, the support frame is fixedly connected with the base and located on one side of the base, and the collection shell is arranged on the support frame, characterized in that, it further comprises a storage box and a separation assembly, the separation assembly comprises a linear motion cylinder, a rotating head, a cover plate, a feeding pipe, a discharging pipe, a rotating base and a rotating motor, the rotating base is rotatably arranged in the collection shell, the output end of the rotating motor is connected with the rotating base, the linear motion cylinder is arranged at the top of the collection shell, the rotating head is rotatably arranged on the output end of the linear motion cylinder, the cover plate is rotatably arranged on the rotating head, the feeding pipe and the discharging pipe pass through the rotating head and are close to the rotating base, the feeding pipe is communicated with the storage box, and a feeding valve and a discharging valve are arranged on the feeding pipe and the discharging pipe respectively; the bottom end of the cover plate is provided with a support wall, the support wall is arranged to be gradually opened and enlarged from top to bottom, so that impurities moving to the support wall under the action of centrifugal force move downward along the support wall and are concentrated, the cover plate is further provided with a placing cavity, the placing cavity is located at the bottom of the support wall and is in contact with the rotating base, and the separation assembly further comprises a support ring arranged on the rotating base; the separation assembly further comprises a solid waste collection channel, the solid waste collection channel is arranged on the outer side of the rotating base; the solid waste collection channel comprises a conical baffle, a discharging channel and a cleaning head, the conical baffle is arranged on the outer side of the rotating base, the discharging channel is arranged at the bottom of the conical baffle, and the cleaning head is rotatably arranged on the conical baffle, The cleaning head has a first cleaning position and a second cleaning position, the rotating disc is cleaned in the first cleaning position, and the discharge channel is cleaned in the second cleaning position; the cleaning head comprises a cleaning head body, a triangular push block, a second spring and a push rod, the cleaning head body is rotatably arranged on the conical baffle through a pin shaft, the triangular push block is slidably arranged on the conical baffle and located on one side of the supporting wall, the push rod is located between the triangular push block and the cleaning head body, and the second spring is used for resetting the triangular push block; the triangular push block is installed in a groove formed in the conical baffle, the cover plate moves upwards, thereby contacting the side surface of the triangular push block through the supporting wall, and the triangular push block is pushed to slide, the triangular push block pushes the push rod to move, so as to drive the cleaning head body to tilt to align with the rotating disc, then the cleaning head body is started to spray cleaning liquid on the rotating disc, then the rotating disc is started to rotate, so that the cleaning liquid is thrown on the conical baffle through centrifugal force and flows downwards along the conical baffle, at this time, the cover plate moves downwards to close the rotating disc, the second spring is fixed between the triangular push block and the collecting shell through welding or by arranging a hook on the triangular push block and the collecting shell, the triangular push block is reset under the action of the second spring, thereby driving the cleaning head body to align with the conical baffle, the cleaning head body is started to spray cleaning liquid on the conical baffle to clean the conical baffle, so that two structures can be cleaned through the same cleaning head.

2. The germanium-containing solid waste recycling production system according to claim 1, wherein The rotating head comprises a connecting head and a rotating ring, the connecting head has a flow-through hole, the connecting head is connected with the output end of the linear motion air cylinder, and the rotating ring is rotatably arranged on the connecting head and connected with the cover plate.

3. The germanium-containing solid waste recycling production system according to claim 2, wherein The separation assembly further comprises a reset spring, and the reset spring is arranged between the linear motion air cylinder and the connecting head.

4. A germanium-containing solid waste recycling production method, which adopts the germanium-containing solid waste recycling production system according to any one of claims 1-3, and comprises the following steps: The germanium-containing solid waste is crushed and dissolved by using an acid solution to obtain a leaching solution; The feeding valve is opened, the leaching solution is sent into the space between the rotating disc and the cover plate through the feeding pipe, the rotating motor is started to drive the rotating disc to rotate at a high speed, so that the impurities in the leaching solution move to the outer circle of the rotating disc under the action of centrifugal force to separate from the liquid; After separation, the impurities in the outer circle fall onto the rotating disc under the action of gravity, the feeding valve is closed, the discharge valve is opened, and the liquid containing germanium is discharged into the storage tank through the discharge pipe; An organic solvent is used to extract the germanium-containing solution in the storage tank. ​

Images