CN216502862U - Waste circuit board detinning apparatus - Google Patents

Waste circuit board detinning apparatus Download PDF

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Publication number
CN216502862U
CN216502862U CN202122727385.XU CN202122727385U CN216502862U CN 216502862 U CN216502862 U CN 216502862U CN 202122727385 U CN202122727385 U CN 202122727385U CN 216502862 U CN216502862 U CN 216502862U
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China
Prior art keywords
detinning
circuit board
liquid
machine
tin
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CN202122727385.XU
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Chinese (zh)
Inventor
郭光辉
胡国洪
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Qingyuan Jinyun Renewable Resources Co ltd
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Qingyuan Jinyun Renewable Resources Co ltd
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Abstract

The utility model discloses a waste circuit board detinning device which comprises a mesh belt type stainless steel cleaning machine, a circuit board conveying belt, a drum-type high-pressure jet soaking detinning machine and a cation electrodeposition tank, wherein the discharge end of the circuit board conveying belt is fixedly connected with the feed end of the drum-type high-pressure jet soaking detinning machine, a high-tin liquid pipe is fixedly installed at the liquid outlet end of the drum-type high-pressure jet soaking detinning machine, a high-tin liquid storage tank is fixedly installed at one end of the high-tin liquid pipe, and the liquid outlet end of the high-tin liquid storage tank is communicated with the interior of the cation electrodeposition tank. The pretreatment equipment is changed, a mesh belt type stainless steel cleaning machine and the like are added, impurities such as mud, dust and the like on the circuit board are removed, residues in a detinning process are reduced, the recovery value of tin is improved, the detinning process is changed from a basket type soaking and cleaning mode to a drum type high-pressure spraying soaking mode, the detinning process is dried by a water washing air knife and conveyed to a linear sieve for separating components and the circuit board, and finally the circuit board which is manually sorted into clean on a conveying belt enters a crushing workshop.

Description

Waste circuit board detinning apparatus
Technical Field
The utility model relates to a waste circuit board detinning device, in particular to a waste circuit board tile detinning device, and belongs to the technical field of waste circuit board treatment.
Background
The circuit board has the following names: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout. The circuit board may be referred to as a printed wiring board or a printed circuit board.
The existing tin removing process is that hanging baskets are manually loaded one by one and then soaked in tin removing liquid for removing the liquid, people need to swing the hanging baskets ceaselessly in the soaking process to ensure the flowing property of liquid medicine, after the soaking and tin removing, the circuit board and original devices of the hanging baskets with tin removal need to be cleaned by water, and the tin in the tin removing liquid is recovered by heating and burning, so that the process technology is laggard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a detinning device for waste circuit boards, which solves the problems that in the existing detinning process proposed in the background technology, hanging baskets are manually and one by one loaded, then the hanging baskets are soaked in a detinning solution for detinning, people swing the hanging baskets ceaselessly during soaking to ensure the flowing property of liquid medicine, after soaking and detinning, the circuit boards and original devices of which the hanging baskets are detinned need to be cleaned by water, and tin in the detinning solution is recovered by heating and burning, so that the process technology is lagged behind.
In order to achieve the purpose, the utility model provides the following technical scheme: the device comprises a mesh belt type stainless steel cleaning machine, a circuit board conveying belt, a drum type high-pressure jet soaking detinning machine and a cation electrodeposition tank, wherein the discharge end of the circuit board conveying belt is fixedly connected with the feed end of the drum type high-pressure jet soaking detinning machine, a high tin liquid pipe is fixedly installed at the liquid outlet end of the drum type high-pressure jet soaking detinning machine, a high tin liquid storage tank is fixedly installed at one end of the high tin liquid pipe, the liquid outlet end of the high tin liquid storage tank is communicated with the inside of the cation electrodeposition tank, a low tin liquid pipe is fixedly installed at the liquid outlet end of the cation electrodeposition tank, a low tin liquid storage tank is fixedly installed at one end of the low tin liquid pipe, the liquid outlet end of the low tin liquid storage tank is communicated with the liquid inlet end of the drum type high-pressure jet soaking detinning machine, the discharge end of the drum type high-pressure jet soaking detinning machine is fixedly connected with the feed end of the mesh belt type stainless steel cleaning machine, and a vibrating screen is fixedly connected with the discharge end of the mesh belt type stainless steel cleaning machine, the discharge end fixedly connected with sharp sieve of reciprocating sieve, the play liquid end and the water treatment mechanism of guipure formula stainless steel cleaning machine are connected.
As a preferred technical scheme of the utility model, the water treatment mechanism comprises a sedimentation tank, a sand filter, a carbon filter and an ultrafiltration tank, wherein the liquid inlet end of the sedimentation tank is fixedly connected with the liquid outlet end of the mesh belt type stainless steel cleaning machine, the liquid outlet end of the sedimentation tank is fixedly connected with the liquid inlet end of the sand filter, the liquid outlet end of the sand filter is fixedly connected with the liquid inlet end of the carbon filter, and the liquid outlet end of the carbon filter is fixedly connected with the liquid inlet end of the ultrafiltration tank.
As a preferable technical scheme of the utility model, one side of the sedimentation tank is fixedly connected with a dosing barrel.
As a preferred technical scheme of the utility model, the liquid outlet end of the ultra-filter tank is fixedly connected with a circulating water tank.
As a preferable technical scheme of the utility model, an air knife is fixedly arranged inside the mesh belt type stainless steel cleaning machine.
As a preferred technical scheme of the utility model, a batching tank is fixedly arranged between the liquid outlet end of the low-tin liquid storage tank and the liquid inlet end of the drum-type high-pressure spraying soaking detinning machine.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the detinning device for the waste circuit boards, pretreatment equipment is changed, a mesh belt type stainless steel cleaning machine and the like are added, impurities such as mud and dust on the circuit boards are removed, residues in a detinning process are reduced, and the recovery value of tin is improved;
2. according to the waste circuit board detinning device, a hanging basket type soaking and cleaning mode is changed into a drum-type high-pressure spraying soaking mode in a detinning process, the waste circuit board detinning process is dried by a water washing air knife and conveyed to a linear sieve for separating components and circuit boards, and finally the waste circuit board detinning device is manually separated into clean circuit boards on a conveying belt and enters a crushing workshop;
3. according to the tree waste circuit board detinning device, a detinning solution obtained by detinning is changed into metal tin containing more than 99% of tin through electrodeposition equipment;
4. according to the detinning device for the waste circuit boards, a gold stripping process and a precipitation working section are cancelled in pretreatment, gold and nickel are not directly recovered but are retained on the circuit boards, and are recovered in a copper recovery factory together with copper after crushing and sorting, so that hazardous wastes such as tin slag and nickel slag are not generated, and only a set of circulating water treatment system is additionally arranged to treat cleaning wastewater actually; and the sewage discharge is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a mesh belt type stainless steel cleaning machine; 2. vibrating screen; 3. a linear sieve; 4. a sedimentation tank; 5. a medicine adding barrel; 6. a sand filter; 7. a carbon filter; 8. a super filter; 9. a circulating water tank; 10. a circuit board conveyor belt; 11. a drum-type high-pressure jet immersion detinning machine; 12. a high tin liquor pipe; 13. a high tin liquid storage tank; 14. A low tin liquid storage tank; 15. a cation electrodeposition cell; 16. a low tin liquor pipe; 17. a dosing tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution of a waste circuit board detinning apparatus:
according to the figure 1, comprises a mesh belt type stainless steel cleaning machine 1, a circuit board conveyer belt 10, a drum type high-pressure spraying soaking detin machine 11 and a cation electrodeposition tank 15, wherein the discharge end of the circuit board conveyer belt 10 is fixedly connected with the feed end of the drum type high-pressure spraying soaking detin machine 11, the liquid outlet end of the drum type high-pressure spraying soaking detin machine 11 is fixedly provided with a high tin liquid pipe 12, one end of the high tin liquid pipe 12 is fixedly provided with a high tin liquid storage tank 13, the liquid outlet end of the high tin liquid storage tank 13 is communicated with the inside of the cation electrodeposition tank 15, the liquid outlet end of the cation electrodeposition tank 15 is fixedly provided with a low tin liquid pipe 16, one end of the low tin liquid pipe 16 is fixedly provided with a low tin liquid storage tank 14, the liquid outlet end of the low tin liquid storage tank 14 is communicated with the liquid inlet end of the drum type high-pressure spraying soaking detin machine 11, and a batching tank 17 is fixedly arranged between the liquid outlet end of the low tin liquid storage tank 14 and the liquid inlet end of the drum type high-pressure spraying soaking detin machine 11, the discharge end of drum-type high pressure jet soaking detinning machine 11 and the feed end fixed connection of guipure formula stainless steel cleaning machine 1, guipure formula stainless steel cleaning machine 1's discharge end fixedly connected with reciprocating sieve 2, reciprocating sieve 2's discharge end fixedly connected with rectilinear sieve 3, guipure formula stainless steel cleaning machine 1's play liquid end is connected with water treatment mechanism, increase guipure formula stainless steel cleaning machine 1 etc. in through the pre-treatment equipment, detach earth on the circuit board, debris such as dust, reduce the residue in the detinning technology, improve the retrieval and utilization value of tin.
According to the figure 1, the water treatment mechanism comprises a sedimentation tank 4 and a sand filter 6, carbon filtering pond 7 and super filtering pond 8, the inlet end of sedimentation tank 4 and the liquid outlet end fixed connection of mesh belt type stainless steel cleaning machine 1, the liquid outlet end of sedimentation tank 4 and the inlet end fixed connection of sand filtering pond 6, the liquid outlet end of sand filtering pond 6 and the inlet end fixed connection of carbon filtering pond 7, the liquid outlet end of carbon filtering pond 7 and the inlet end fixed connection of ultrafiltration pond 8, one side fixedly connected with of sedimentation tank 4 adds medicine bucket 5, the liquid outlet end fixed connection of super filtering pond 8 has circulation water pitcher 9, the inside fixed mounting of mesh belt type stainless steel cleaning machine 1 has the air knife, detin the detinning technology by hanging basket type soak cleaning method, change drum-type high pressure to spray detinning machine 11, blow dry to convey linear sieve 3 through the air knife and carry out components and parts and circuit board separation, at last manual separation becomes clean circuit board on the conveyer belt and gets into the crushing workshop.
When the waste circuit board detinning device is used, pretreatment equipment is changed, a mesh belt type stainless steel cleaning machine 1 is added, impurities such as mud and dust on the circuit board are removed, residues in the detinning process are reduced, the recovery value of tin is improved, the detinning process is changed into a drum-type high-pressure jet soaking detinning machine 11 from a basket type soaking and cleaning mode, the components and the circuit board are dried by an air knife and conveyed to a linear screen 3 for separation, finally, the circuit board which is cleaned by manual separation on a conveying belt enters a crushing workshop, detinning liquid obtained by detinning is changed into metallic tin with tin content of more than 99 percent by electrodeposition equipment, the gold stripping process and a precipitation working section are cancelled in the pretreatment, gold and nickel are not directly recovered but are remained on the circuit board, after crushing and sorting, the copper and the copper are recycled in a factory for recycling the copper, so that hazardous wastes such as tin slag, nickel slag and the like are not generated, and only one set of circulating water treatment system is additionally arranged to treat the cleaning wastewater; and the sewage discharge is reduced.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a detinning device for waste circuit board, includes mesh belt type stainless steel cleaning machine (1), circuit board conveyer belt (10), drum-type high pressure injection soaking detinning machine (11) and cation electrodeposition tank (15), a serial communication port, the discharge end of circuit board conveyer belt (10) and the feed end fixed connection of drum-type high pressure injection soaking detinning machine (11), the play liquid fixed mounting of drum-type high pressure injection soaking detinning machine (11) has high tin liquid pipe (12), the one end fixed mounting of high tin liquid pipe (12) has high tin liquid storage pot (13), the play liquid end and the inside intercommunication of cation electrodeposition tank (15) of high tin liquid storage pot (13), the play liquid fixed mounting of cation electrodeposition tank (15) has low tin liquid pipe (16), the one end fixed mounting of low tin liquid pipe (16) has low tin liquid storage pot (14), the play liquid end of low tin liquid storage pot (14) and the feed end intercommunication of drum-type high pressure injection soaking detinning machine (11) are sprayed to the liquid end of low tin liquid storage pot (14) The automatic tin removing machine is characterized in that the discharging end of the drum-type high-pressure jet soaking tin removing machine (11) is fixedly connected with the feeding end of the mesh belt type stainless steel cleaning machine (1), the discharging end of the mesh belt type stainless steel cleaning machine (1) is fixedly connected with a vibrating screen (2), the discharging end of the vibrating screen (2) is fixedly connected with a linear screen (3), and the liquid outlet end of the mesh belt type stainless steel cleaning machine (1) is connected with a water treatment mechanism.
2. The waste circuit board detinning apparatus of claim 1, wherein: the water treatment mechanism comprises a sedimentation tank (4), a sand filter (6), a carbon filter (7) and a super filter (8), wherein the liquid inlet end of the sedimentation tank (4) is fixedly connected with the liquid outlet end of the mesh belt type stainless steel cleaning machine (1), the liquid outlet end of the sedimentation tank (4) is fixedly connected with the liquid inlet end of the sand filter (6), the liquid outlet end of the sand filter (6) is fixedly connected with the liquid inlet end of the carbon filter (7), and the liquid outlet end of the carbon filter (7) is fixedly connected with the liquid inlet end of the super filter (8).
3. The waste circuit board detinning apparatus of claim 2, wherein: one side of the sedimentation tank (4) is fixedly connected with a medicine adding barrel (5).
4. The waste circuit board detinning apparatus of claim 2, wherein: and the liquid outlet end of the super filter (8) is fixedly connected with a circulating water tank (9).
5. The waste circuit board detinning apparatus of claim 1, wherein: an air knife is fixedly arranged inside the mesh belt type stainless steel cleaning machine (1).
6. The waste circuit board detinning apparatus of claim 1, wherein: a dosing tank (17) is fixedly arranged between the liquid outlet end of the low tin liquid storage tank (14) and the liquid inlet end of the drum-type high-pressure jet soaking detinning machine (11).
CN202122727385.XU 2021-11-09 2021-11-09 Waste circuit board detinning apparatus Active CN216502862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122727385.XU CN216502862U (en) 2021-11-09 2021-11-09 Waste circuit board detinning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122727385.XU CN216502862U (en) 2021-11-09 2021-11-09 Waste circuit board detinning apparatus

Publications (1)

Publication Number Publication Date
CN216502862U true CN216502862U (en) 2022-05-13

Family

ID=81528278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122727385.XU Active CN216502862U (en) 2021-11-09 2021-11-09 Waste circuit board detinning apparatus

Country Status (1)

Country Link
CN (1) CN216502862U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A device for removing tin from waste circuit boards

Effective date of registration: 20230717

Granted publication date: 20220513

Pledgee: Guangdong Qingyuan Rural Commercial Bank Co.,Ltd. Fengcheng Branch

Pledgor: QINGYUAN JINYUN RENEWABLE RESOURCES Co.,Ltd.

Registration number: Y2023980048605