CN202954078U - A processing system for separating tin-based metal materials from waste electrical and electronic components - Google Patents

Abstract

The utility model discloses a separate tin-based metal material's processing system in follow old and useless electrical and electronic components, including centrifuge, oil tank and heating machine. An oil inlet at the upper end of the oil tank is connected with an oil outlet of the heating machine through a first oil pipe; an oil outlet at the lower end of the oil tank is connected with an oil inlet of the heating machine through a second oil pipe; and the heat conduction oil enters the heater through the second oil pipe, is heated by the heater and then is conveyed back to the oil tank through the first oil pipe. The centrifugal machine comprises a machine shell and a centrifugal cylinder arranged in the machine shell. The centrifugal cylinder filled with the waste raw materials is placed in an oil tank, the tin is melted by heating of heat conduction oil, then the centrifugal cylinder is placed in a centrifugal machine, and the melted tin is separated from the waste raw materials by centrifugation and is rotated to the inner wall of a machine shell for separation. The utility model discloses a processing system effectively retrieves the tin in the old and useless raw materials, shortens process flow, reduces the energy consumption, reduces the emission of waste gas waste liquid.

Description

A processing system for separating tin-based metal materials from waste electrical and electronic components

technical field

The utility model relates to a material recycling system, in particular to a processing system for separating tin-based metal materials from waste electrical and electronic components.

Background technique

Tin, with a melting point of 232°C, is a very important strategic substance, especially for non-tin-producing areas, it is very important to recycle tin. With the development of the times, people pay more and more attention to the concept of environmental protection and sustainable development. In January 2006, the European Union put forward environmental protection requirements for the electronics industry and fully implemented lead-free electronic products. my country's electronic soldering materials have successively used lead-free tin-copper alloys to replace traditional tin-lead alloy materials. Tin-copper alloy has obvious advantages in cost performance and excellent welding effect. It is the preferred processing material for the majority of electronic product processing and exporters.

A large number of tin-based metal materials have been produced in the production and processing of modern electronic processing industry. At present, tin-based metal materials are mainly recovered by wet electrolysis or fire reduction smelting at home and abroad. The technical requirements are strict, the process is complicated, the quality of recycled products is uneven, the recovery rate is low, and a large amount of dust and waste gas will be generated, which will seriously harm ecosystem.

Therefore, in order to recover tin-based metal materials, it is necessary to improve the existing methods and provide a new treatment system to effectively recover tin-based metal materials.

Utility model content

The purpose of the utility model is to provide a processing system, which can effectively recover tin-based metal materials from waste materials, reduce energy consumption, and shorten the process flow.

The processing system for separating tin-based metal materials from waste raw materials of the present utility model includes a centrifuge, an oil tank and a heating machine; wherein,

The upper end of the oil tank is provided with an oil inlet, and the oil inlet is connected to the oil outlet of the heating machine through the first oil pipe; the lower end of the oil tank is provided with an oil outlet, and the oil outlet is connected through the second The oil pipe is connected to the oil inlet of the heating machine; the heat transfer oil in the oil tank enters the heating machine through the second oil pipe, and is transported back to the oil through the first oil pipe after being heated by the heating machine. inside the tank;

The centrifuge includes: a casing and a centrifugal cylinder installed in the casing;

The centrifuge cylinder containing the waste materials is placed in the oil tank, and the tin is melted by heat conduction oil, then the centrifuge cylinder is placed in the centrifuge, and the melted tin is separated from the waste materials by centrifugation screw to the inside wall of the housing.

In another preferred example, the bottom end of the oil tank is provided with an oil drain port.

In another preferred example, the centrifuge further includes an oil discharge port, through which the heat transfer oil spun out from the waste raw materials is discharged.

In another preferred example, the temperature of the heat transfer oil in the oil tank is 243-248°C.

In another preferred example, the oil tank includes:

A tank body, the oil inlet is arranged at the upper end of the tank body, and the oil outlet is arranged at the lower end of the tank body;

a tank cover, the tank cover is detachably mounted on the top of the tank body;

Insulation layer, the insulation layer is arranged on the outer periphery of the tank body.

In another preferred example, the thickness of the thermal insulation layer is 80-150mm.

In another preferred example, the bottom of the tank body is a convex head, and the oil drain port is arranged at the bottom end of the convex head.

In another preferred example, the processing system further includes a hoisting device, and the hoisting device is used for hoisting the centrifuge cylinder between the centrifuge and the oil tank.

In another preferred example, the treatment system further includes a condensation recovery device, and the condensation recovery device includes:

An axial flow fan, the axial flow fan cover is above the oil tank;

A condensation tank, the top of the condensation tank is provided with an exhaust port, the bottom end is provided with an oil discharge port, and the lower end is connected to the axial flow fan through a condensation air pipe;

An oil storage tank, the oil storage tank is arranged below the condensation tank;

The mixed gas volatilized in the oil tank is sent into the condensing air pipe through the axial flow fan to condense and then enters the condensing tank, the condensed oil is discharged into the oil storage tank through the oil discharge port, and the gas passes through the exhaust vent.

In another preferred example, the centrifuge is placed horizontally.

The treatment system of the utility model can not only effectively recycle tin, but also reduce energy consumption, shorten the process flow, and reduce the discharge of waste gas and liquid compared with the existing technology, and the heat transfer oil can be recycled to reduce environmental pollution.

It should be understood that within the scope of the present utility model, the above-mentioned technical features of the present utility model and the technical features specifically described in the following (such as embodiments) can be combined with each other to form new or preferred technical solutions . Due to space limitations, we will not repeat them here.

Description of drawings

Fig. 1 is a structural schematic diagram of the processing system of the present invention.

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. For the experimental methods without specific conditions indicated in the following examples, usually follow the conventional conditions or the conditions suggested by the manufacturer.

As shown in Figure 1, the processing system for separating tin-based metal materials from waste raw materials of the present utility model includes a centrifuge 1, an oil tank 2 and a heater 3; wherein,

The upper end of the oil tank 2 is provided with an oil inlet 4, and the oil inlet 4 is connected to the oil outlet 6 of the heating machine 3 through the first oil pipe 5; the lower end of the oil tank 2 is provided with an oil outlet 7, The oil outlet 7 is connected to the oil inlet 9 of the heating machine 3 through the second oil pipe 8; the heat transfer oil in the oil tank 2 enters the heating machine 3 through the second oil pipe 8, and passes through the After being heated by the heater 3, it is transported back to the oil tank 2 through the first oil pipe 5;

The centrifuge 1 comprises: a casing 10 and a centrifugal cylinder 11 installed in the casing 10;

The centrifuge cylinder 11 containing the waste materials is placed in the oil tank 2, and after being heated by heat conduction oil to melt the tin, the centrifuge cylinder 11 is placed in the casing 10 of the centrifuge 1, centrifuged, Under the action of centrifugal force, the molten tin is separated from waste materials, thrown out of the centrifugal cylinder 11, and adhered to the inner wall of the casing 10.

After being heated by the heating machine 3, the temperature of the heat transfer oil in the oil tank 2 is maintained at 243-248° C., so that the tin in the waste raw materials is melted.

The centrifuge 1 also includes an oil discharge port 12 through which the heat transfer oil spun out from the waste raw materials is discharged through the oil discharge port 12 .

The bottom end of the oil tank 2 is provided with an oil drain port 13 for draining the heat transfer oil in the oil tank 2 .

In a preferred example, the oil tank 2 includes:

Tank body 14, the oil inlet 4 is arranged at the upper end of the tank body 14, and the oil outlet 7 is arranged at the lower end of the tank body 14;

A tank cover 15, the tank cover 15 is detachably mounted on the top of the tank body 14;

An insulating layer (not shown in the figure), the insulating layer is arranged on the outer periphery of the tank body 14 .

In a preferred example, the thickness of the thermal insulation layer is 80-150 mm.

In a preferred example, the bottom of the tank body 14 is a convex head 16 , and the oil drain port 13 is arranged at the bottom of the convex head 16 .

In another preferred example, the processing system further includes a hoisting device (not shown in the figure), and the hoisting device is used for hoisting the centrifuge cylinder between the centrifuge and the oil tank.

In another preferred example, the treatment system further includes a condensation recovery device, and the condensation recovery device includes:

An axial flow fan 17, the axial flow fan 17 is covered above the oil tank 2;

Condensation tank 18, the top of the condensation tank 18 is provided with an exhaust port 19, the bottom end is provided with an oil discharge port 20, and the lower end is connected to the axial flow fan 17 through a condensation air pipe 21;

An oil storage tank 22, the oil storage tank 22 is arranged below the condensation tank 18;

The mixed gas volatilized in the oil tank 2 is sent into the condensation air pipe 21 through the axial flow fan 17 to condense and then enters the condensation tank 18, and the condensed oil is discharged into the oil storage tank through the oil discharge port 20 22. The gas is discharged through the exhaust port 19.

In another preferred example, the centrifuge 1 is placed horizontally.

When using the treatment system of the present utility model, the centrifuge cylinder 11 with waste raw materials is put into the oil tank 2 . Heat conduction oil is housed in the oil tank 2, and the heat conduction oil enters the heater 3 through the second oil pipe 8, and is transported back in the oil tank 2 through the first oil pipe 5 after being heated by the heater 3. The heat conduction oil circulates between the oil tank 2 and the heater 3, so that the temperature of the heat conduction oil is maintained at 243-248° C., so that the tin in the waste raw materials is melted. During this process, the condensation recovery device is turned on, the mixed gas volatilized from the oil tank 1 is sucked into the axial flow fan 17, condensed in the condensation air pipe 21 and then enters the condensation tank 18, and the condensed oil is discharged into the oil storage tank 22 through the oil discharge port 20, A small amount of gas is discharged through the exhaust port 19, which meets environmental protection requirements.

After the tin is melted, put the centrifuge tube 11 into the casing 10 of the centrifuge 1. After centrifugation, the melted tin and heat transfer oil are separated from the waste materials under the action of centrifugal force, and the centrifuge tube 11 is thrown out, and the molten tin adheres to the centrifuge. On the inner wall of the shell 10, the heat transfer oil is discharged from the oil discharge port 12, thereby separating and recovering the tin-based metal material.

The processing system of the utility model complies with the requirements of resource recovery and utilization, overcomes the shortcomings of the existing technologies of traditional wet electrolysis and fire reduction smelting, uses a centrifuge to separate tin from waste materials such as electronic components, and effectively reduces energy consumption. Shorten the process flow, reduce waste gas, waste liquid discharge, and reduce environmental pollution. And it can heat up quickly, improve energy efficiency, and be safe and automatic.

Unless otherwise defined, all professional and scientific terms used herein have the same meanings as commonly understood by those skilled in the art. In addition, any methods and materials similar or equivalent to those described can be applied to the method of the present invention. The preferred implementation methods and materials described herein are for demonstration purposes only.

All documents mentioned in this application are incorporated by reference in this application as if each were individually incorporated by reference. In addition, it should be understood that after reading the above teaching content of the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

Claims (10)

1. A processing system for separating tin-based metal materials from waste raw materials is characterized by comprising a centrifugal machine, an oil tank and a heating machine; wherein,

an oil inlet is formed in the upper end of the oil tank and connected with an oil outlet of the heating machine through a first oil pipe; the lower end of the oil tank is provided with an oil outlet, and the oil outlet is connected with an oil inlet of the heating machine through a second oil pipe; the heat conducting oil in the oil tank enters the heater through the second oil pipe, is heated by the heater and then is conveyed back to the oil tank through the first oil pipe;

the centrifuge includes: the centrifugal machine comprises a machine shell and a centrifugal cylinder arranged in the machine shell;

and placing the centrifugal cylinder filled with the waste raw materials in the oil tank, heating by using heat conduction oil to melt tin, placing the centrifugal cylinder in the centrifuge, and separating the molten tin from the waste raw materials to the inner wall of the machine shell through centrifugation.

2. A treatment system as claimed in claim 1, wherein the bottom end of the tank is provided with an oil drain.

3. The processing system of claim 1, wherein the centrifuge further comprises an oil drain through which the thermal oil spun from the used raw material by the centrifuge is drained.

4. The processing system as claimed in claim 1, wherein the temperature of the thermal oil in the oil tank is 243-248 ℃.

5. The treatment system of claim 1, wherein the tank comprises:

the oil inlet is arranged at the upper end of the tank body, and the oil outlet is arranged at the lower end of the tank body;

the tank cover is detachably arranged at the top end of the tank body;

the heat preservation, the heat preservation sets up the periphery of the jar body.

6. The treatment system of claim 5, wherein the insulating layer has a thickness of 80-150 mm.

7. The treatment system of claim 5, wherein the bottom of the tank is a convex head, and the drain port is disposed at a bottom end of the convex head.

8. The treatment system of claim 1, further comprising a lifting device for lifting the centrifuge bowl between the centrifuge and the oil tank.

9. The treatment system of claim 1, further comprising a condensate recovery device, the condensate recovery device comprising:

the axial flow fan is covered above the oil tank;

the top end of the condensing tank is provided with an exhaust port, the bottom end of the condensing tank is provided with an oil outlet, and the lower end of the condensing tank is connected with the axial flow fan through a condensing air pipe;

the oil storage tank is arranged below the condensing tank;

the mixed gas volatilized from the oil tank is sent into the condensation gas pipe through the axial flow fan to be condensed and then enters the condensation tank, the condensed oil is discharged through the oil discharge port and enters the oil storage tank, and the gas is discharged through the gas exhaust port.

10. The processing system of claim 1, wherein the centrifuge is positioned horizontally.