A recycling device based on surface treatment residual liquid

Abstract

The application discloses a recycling device based on surface treatment residual liquid, which comprises a recycling tank, a liquid adding cavity, a heating cavity and a liquid storage cavity are arranged in the recycling tank, the liquid adding cavity, the heating cavity and the liquid storage cavity are arranged in sequence from top to bottom, a liquid adding opening is arranged on the top of the recycling tank, the liquid adding opening is communicated with the liquid adding cavity, the liquid adding cavity is communicated with the liquid storage cavity, a first liquid discharging opening communicated with the liquid storage cavity is arranged on the recycling tank, at least one first exhaust opening is arranged on the side wall of the recycling tank, the first exhaust opening is communicated with the heating cavity, and a heater is arranged on the recycling tank; an exhaust opening is connected with a cooling tank through a first pipeline, a second liquid discharging opening is arranged on the cooling tank, a switch assembly is arranged at the second liquid discharging opening, and the switch assembly controls the opening and closing of the second liquid discharging opening; and a compressor, an air inlet end of the compressor is communicated with the second exhaust opening through a second pipeline. Compared with the prior art, the application can solve the problems of high energy consumption and cost of existing electroplating residual solution treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surface treatment, in particular to a recycling device based on surface treatment residual liquid. BACKGROUND

[0002] Electroplating is a process of plating a thin layer of other metal or alloy on the surface of certain metal by electrolysis, which is a process of attaching a metal film to the surface of metal or other material parts by electrolysis to prevent metal oxidation (such as rust), improve wear resistance, electrical conductivity, light reflectivity, corrosion resistance (copper sulfate, etc.), and enhance aesthetics.

[0003] At present, in the process of electroplating of precious metals, there are often residual solutions on the surface of electroplated parts, and the residual solutions contain a certain concentration of effective components such as precious metals, and the existing treatment method is to flush the residual liquid with clean water, collect the flushing liquid, and then discharge it after reaching the standard through complex environmental protection treatment. This method has high energy consumption and cost of environmental protection treatment, and causes waste of effective components such as precious metals in residual liquid. SUMMARY

[0004] The present application aims to solve the problem of high energy consumption and cost of existing electroplating residual solution treatment, and provides a recycling device based on surface treatment residual liquid.

[0005] In order to achieve the above-mentioned purpose, the present application provides a recycling device based on surface treatment residual liquid, which comprises:

[0006] A recovery tank is provided with a liquid adding cavity, a heating cavity and a liquid storage cavity, the liquid adding cavity, the heating cavity and the liquid storage cavity are arranged in sequence from top to bottom, the recovery tank is provided with a liquid adding port at the top, the liquid adding port is communicated with the liquid adding cavity, the liquid adding cavity is communicated with the liquid storage cavity, a first liquid discharge port communicated with the liquid storage cavity is arranged on the recovery tank, at least one first exhaust port is arranged on the sidewall of the recovery tank, the first exhaust port is communicated with the heating cavity, and a heater is arranged on the recovery tank.

[0007] A cooling tank is connected with the first exhaust port through a first pipeline, a second liquid discharge port is arranged on the cooling tank, a switch assembly is arranged at the second liquid discharge port, the switch assembly controls the opening and closing of the second liquid discharge port, and a second exhaust port is arranged at the top of the cooling tank.

[0008] A compressor is connected with the second exhaust port through a second pipeline at the air inlet end, and the air outlet end of the compressor is communicated with the heating cavity through a third pipeline.

[0009] Further description of the above technical solution:

[0010] The first connecting plate, the second connecting plate and the side wall of the recycling tank enclose the heating cavity.

[0011] As a further description of the above technical solution:

[0012] The first connecting plate is provided with a plurality of first through holes, and the second connecting plate is provided with a plurality of second through holes, and a communication pipe is arranged between the first through holes and the second through holes.

[0013] As a further description of the above technical solution:

[0014] The communication pipe is a flexible pipe.

[0015] As a further description of the above technical solution:

[0016] The recycling tank is provided with a driving cylinder, the driving cylinder is located in the heating cavity, and the driving cylinder vertically moves the second connecting plate.

[0017] As a further description of the above technical solution:

[0018] The cooling tank comprises an inner tank and an outer tank, the inner tank is arranged inside the outer tank, a storage space is arranged between the inner tank and the outer tank, the outer tank is provided with a liquid inlet and a liquid outlet which are in communication with the storage space, and the liquid outlet is connected with the liquid inlet through a fourth pipeline.

[0019] As a further description of the above technical solution:

[0020] The fourth pipeline is provided with a liquid pumping pump.

[0021] As a further description of the above technical solution:

[0022] The switch assembly comprises a valve, a floating ball, a magnet, a magnetic induction sensor and a pressure sensor, the floating ball is arranged in the inner tank, the magnet is built in the floating ball, the magnetic induction sensor is arranged above the floating ball, the pressure sensor is arranged below the floating ball, and the magnetic induction sensor and the pressure sensor are in control connection with the valve.

[0023] As a further description of the above technical solution:

[0024] The inner tank is provided with a limiting cylinder, the limiting cylinder is provided with a plurality of third through holes, the floating ball is located in the limiting cylinder, the magnetic induction sensor is arranged at the top end of the limiting cylinder, and the pressure sensor is arranged at the bottom end of the limiting cylinder.

[0025] In conclusion, by using the technical scheme, the application has the following advantages:

[0026] 1、In the application, after the plating surface is washed by water, a mixed solution containing noble metal residual liquid is obtained, the mixed solution is placed in the device for separation, the mixed solution is first placed in the recovery tank, heated by the heater to evaporate water in the mixed solution, and the condensed water in the cooling tank can be used as the washing liquid again, and the concentrated liquid at the bottom of the recovery tank can be used as the noble metal electroplating liquid again, so that zero discharge of pollution is realized.

[0027] 2、In the application, the water vapor in the cooling tank is treated by the compressor and then flows to the heating cavity through the pipeline, so that the recovery tank can be heated, the heat of the water vapor is fully utilized, and good economic benefits can be created and unit energy cost is reduced.

[0028] 3、In the application, the liquid adding cavity and the liquid storage cavity are connected by a plurality of communication pipes, so that the heating area of the solution can be increased, and the heating effect of the solution can be improved, the communication pipe is a flexible pipe, the second connecting plate is driven to move by the driving cylinder, the communication pipe can be stretched, so that the crystal layer on the surface of the communication pipe can be broken, and the crystal layer can fall off, and the communication pipe is prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0030] Figure 1 It is a structure schematic view of a recycling device based on surface treatment residual liquid.

[0031] Figure 2 It is a structure schematic view of a recycling device based on surface treatment residual liquid of another embodiment.

[0032] Figure 3 It is a structure schematic view of a switch assembly in a recycling device based on surface treatment residual liquid.

[0033] Figure 4 It is a structure schematic view of a first connecting plate in a recycling device based on surface treatment residual liquid.

[0034] LEGEND:

[0035] 1, recovery tank; 2, liquid adding cavity; 3, heating cavity; 4, liquid storage cavity; 5, liquid adding port; 6, first liquid discharging port; 7, first gas discharging port; 8, heater; 9, cooling tank; 91, inner tank; 92, outer tank; 10, first pipeline; 11, second liquid discharging port; 12, switch assembly; 121, valve; 122, floating ball; 123, magnet; 124, magnetic induction sensor; 125, pressure sensor; 13, second gas discharging port; 14, compressor; 15, second pipeline; 16, third pipeline; 17, first connecting plate; 18, second connecting plate; 19, communication pipe; 20, driving cylinder; 21, fourth pipeline; 22, liquid pumping pump; 23, limiting cylinder. DETAILED DESCRIPTION

[0036] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0038] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "inner" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0040] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Referring to Figures 1-4 The application provides a recycling device based on surface treatment residual liquid, which comprises:

[0042] A recovery tank 1 is internally provided with a liquid adding cavity 2, a heating cavity 3 and a liquid storage cavity 4, the liquid adding cavity 2, the heating cavity 3 and the liquid storage cavity 4 are sequentially arranged from top to bottom, the recovery tank 1 is provided at the top with a liquid adding opening 5, the liquid adding opening 5 is communicated with the liquid adding cavity 2, the liquid adding cavity 2 is communicated with the liquid storage cavity 4, the recovery tank 1 is provided at the top with a first liquid discharging opening 6 communicated with the liquid storage cavity 4, at least one first exhaust opening 7 is arranged on the sidewall of the recovery tank 1, the first exhaust opening 7 is communicated with the heating cavity 3, and a heater 8 is arranged on the recovery tank 1.

[0043] A cooling tank 9 is connected with the first exhaust opening 7 through a first pipeline 10, the cooling tank 9 is provided at the top with a second liquid discharging opening 11, a switch assembly 12 is arranged at the second liquid discharging opening 11, the switch assembly 12 controls the opening and closing of the second liquid discharging opening 11, and a second exhaust opening 13 is arranged at the top of the cooling tank 9.

[0044] A compressor 14 is communicated with the second exhaust opening 13 through a second pipeline 15 at the air inlet end, and communicated with the heating cavity 3 through a third pipeline 16 at the air outlet end.

[0045] The recovery tank 1 is internally provided with a first connecting plate 17 and a second connecting plate 18, the first connecting plate 17, the second connecting plate 18 and the sidewall of the recovery tank 1 enclose the heating cavity 3. The water vapor can be used for heating, the heat of the water vapor is fully utilized, and the unit energy cost is reduced.

[0046] A plurality of first through holes are arranged on the first connecting plate 17, a plurality of second through holes are arranged on the second connecting plate 18, and a communication pipe 19 is arranged between the first through holes and the second through holes. In this way, the heating area of the solution can be increased, and the heating effect of the solution can be improved.

[0047] The communication pipe 19 is a flexible pipe. A driving cylinder 20 is arranged on the recovery tank 1, the driving cylinder 20 is located in the heating cavity 3, and the driving cylinder 20 drives the second connecting plate 18 to move vertically. The communication pipe is a flexible pipe, the second connecting plate is driven to move by the driving cylinder, the communication pipe can be stretched, the crystalline layer on the surface of the communication pipe can be broken, the crystalline layer can fall off, and the communication pipe is prevented from being blocked.

[0048] As Figure 2The cooling tank 9 comprises an inner tank 91 and an outer tank 92, the inner tank 91 is arranged inside the outer tank 92, a storage space is arranged between the inner tank 91 and the outer tank 92, a liquid inlet and a liquid outlet are arranged on the outer tank 92 and communicate with the storage space, and the liquid outlet is connected with the liquid inlet 5 through a fourth pipeline 21. The fourth pipeline 21 is provided with a liquid pumping pump 22. In this way, the mixed solution can be stored in the storage space, the mixed solution can be used for cooling water vapor, the mixed solution can be preheated, the water vapor waste heat can be used again when the mixed solution is pumped into the liquid inlet cavity for treatment, and the unit energy cost can be further reduced.

[0049] As Figure 3 The switch assembly 12 comprises a valve 121, a floating ball 122, a magnet 123, a magnetic induction sensor 124 and a pressure sensor 125, the floating ball 122 is arranged in the inner tank 91, the magnet 123 is arranged in the floating ball 122, the magnetic induction sensor 124 is arranged above the floating ball 122, the pressure sensor 125 is arranged below the floating ball 122, and the magnetic induction sensor 124 and the pressure sensor 125 are in control connection with the valve 121. The inner tank 91 is provided with a limiting cylinder 23, a plurality of third through holes are arranged on the limiting cylinder 23, the floating ball 122 is located in the limiting cylinder 23, the magnetic induction sensor 124 is arranged at the top end of the limiting cylinder 23, and the pressure sensor 125 is arranged at the bottom end of the limiting cylinder 23. The limiting cylinder is fixed on the inner tank, at the beginning, the floating ball contacts the pressure sensor under the action of gravity, the pressure sensor controls the valve to be closed, with the increase of cooling water, the cooling water enters the limiting cylinder through the third through hole, the floating ball gradually rises under the action of buoyancy until the magnetic induction sensor senses the magnet, the magnetic induction sensor controls the valve to be opened, and the water is started to be drained, with the decrease of water level, the floating ball contacts the pressure sensor again, the pressure sensor controls the valve to be closed, and the valve is sequentially controlled to be opened, so that the circulating drainage of the inner tank can be realized, and the influence of water vapor on the sensing accuracy of the water level sensor is avoided.

[0050] Working principle: after the water is used to wash the plating surface, a mixed solution containing noble metal residual liquid is obtained, the mixed solution is placed in the device for separation, first, the mixed solution is placed in the recovery tank, the heater is used for heating, the water in the mixed solution is evaporated, and after condensation in the cooling tank, the water can be used as the washing liquid again, and the liquid concentrated at the bottom of the recovery tank can be used as the noble metal electroplating liquid again, so that zero discharge of pollution is realized, as shown in the accompanying Figure 1The middle solid arrow is the flow direction of the solution, and the dotted arrow is the flow direction of the water vapor. The water vapor in the cooling tank is processed by the compressor and flows to the heating cavity through the pipeline, which can heat the recovery tank and fully utilize the heat of the water vapor, thereby creating good economic benefits and reducing the unit energy cost. The liquid adding cavity and the liquid storage cavity are connected by a plurality of communication pipes, which can increase the heating area of the solution and improve the heating effect of the solution. The communication pipe is a flexible pipe, which is driven by the air cylinder to move the second connecting plate, which can stretch the communication pipe, thereby breaking the crystalline layer on the surface of the communication pipe, so that the crystalline layer falls off, avoiding the blockage of the communication pipe.

[0051] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A recycling device for surface treatment residual liquid, characterized by comprising: The application relates to a recovery tank, a cooling tank and a compressor. The recovery tank is internally provided with a liquid adding cavity, a heating cavity and a liquid storage cavity, the liquid adding cavity, the heating cavity and the liquid storage cavity are sequentially arranged from top to bottom, the top of the recovery tank is provided with a liquid adding opening, the liquid adding opening is communicated with the liquid adding cavity, the liquid adding cavity is communicated with the liquid storage cavity, a first liquid discharging opening communicated with the liquid storage cavity is arranged on the recovery tank, at least one first exhaust opening is arranged on the sidewall of the recovery tank, the first exhaust opening is communicated with the heating cavity, and a heater is arranged on the recovery tank. The first exhaust opening is connected with the cooling tank through a first pipeline, the cooling tank is provided with a second liquid discharging opening, the second liquid discharging opening is provided with a switch assembly, the switch assembly controls the opening and closing of the second liquid discharging opening, a second exhaust opening is arranged on the top of the cooling tank, the cooling tank comprises an inner tank and an outer tank, the inner tank is arranged in the inner tank, a storage space is arranged between the inner tank and the outer tank, a liquid inlet and a liquid outlet communicated with the storage space are arranged on the outer tank, the liquid outlet is connected with the liquid adding opening through a fourth pipeline, the switch assembly comprises a valve, a floating ball, a magnet, a magnetic induction sensor and a pressure sensor, the floating ball is arranged in the inner tank, the magnet is arranged in the floating ball, the magnetic induction sensor is arranged above the floating ball, the pressure sensor is arranged below the floating ball, the magnetic induction sensor and the pressure sensor are connected with the valve for control, a limiting cylinder is arranged in the inner tank, a plurality of third through holes are arranged on the limiting cylinder, the floating ball is arranged in the limiting cylinder, the magnetic induction sensor is arranged at the top end of the limiting cylinder, and the pressure sensor is arranged at the bottom end of the limiting cylinder. The air inlet end of the compressor is communicated with the second exhaust opening through a second pipeline, and the air outlet end of the compressor is communicated with the heating cavity through a third pipeline.

2. The recycling device for surface treatment residual liquid according to claim 1, wherein The first connecting plate, the second connecting plate and the sidewall of the recovery tank surround the heating cavity.

3. The device for recycling surface treatment residual liquid according to claim 2, wherein A plurality of first through holes are arranged on the first connecting plate, a plurality of second through holes are arranged on the second connecting plate, and a communication pipe is arranged between the first through holes and the second through holes.

4. The recycling device for surface treatment residual liquid according to claim 3, wherein The communication pipe is a flexible pipe.

5. The recycling device for surface treatment residual liquid according to claim 2, wherein A driving air cylinder is arranged on the recovery tank, the driving air cylinder is arranged in the heating cavity, and the driving air cylinder drives the second connecting plate to vertically move.

6. The recycling device for surface treatment residual liquid according to claim 1, wherein An liquid pumping pump is arranged on the fourth pipeline.

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