Electronic waste processing method and apparatus thereof

1. An electronic waste processing method comprising:

a preparation step including:

preparing electronic waste, a power supply device, a vacuum cracking device, a filter device, and a separation device;

wherein

the power supply device is electrically connected to the vacuum cracking device, the filter device, and the separation device;

the vacuum device has a vacuum pump, a vacuum chamber connected to and communicating with the vacuum pump, and a high-frequency furnace body disposed in the vacuum chamber;

the separation device is connected to and communicates with the vacuum pump and the filter device, and has a condensation cylinder, a cooling cylinder connected to the condensation cylinder to provide a cooling effect to the condensation cylinder, an oil storage tank connected to and communicating with the condensation cylinder, a hydrochloric acid storage tank, and a fuel storage tank;

a vacuum cracking step including:

sending the electronic waste to the vacuum cracking device;

maintaining a vacuum state in an interior of the vacuum chamber via the vacuum pump that is driven by the power supply device;

heating plastic materials in the electronic waste by the high-frequency furnace body supplied with power required for high-frequency heating from the power supply device, and cracking the plastic materials in the electronic waste by low-temperature vacuum to generate gaseous oil and gas; and

heating and melting remaining metal materials in the electronic waste into liquid metal by high-temperature vacuum;

a recovery step including:

recovering gaseous oil and gas and liquid metal generated in the vacuum cracking step;

sending the gaseous oil and gas generated after a vacuum cracking treatment in the high-frequency furnace to the filter device via a pipeline;

filtering solid slag contained in the gaseous oil and gas out of the gaseous oil and gas by a filtration treatment of the filter device; and

obtaining hydrogen chloride and auxiliary fuel in the filtered gaseous oil and gas;

a separation step including:

pipelining the filtered gaseous oil and gas to the separation device;

cooling the filtered gaseous oil and gas in the condensation cylinder to generate and store liquid oil therein from a portion of the filtered gaseous oil and gas; and

keeping the hydrogen chloride and auxiliary fuel in the condensed and filtered gaseous oil and gas; and

a subsequent processing step including:

sending the filtered gaseous oil and gas treated by the separation step to the vacuum pump via the pipeline;

dissolving the hydrogen chloride in the filtered gaseous oil and gas in water to store in the hydrochloric acid storage tank; and

storing the remaining auxiliary fuel that is not dissolved in water in the fuel storage tank through a pipeline.

2. The electronic waste processing method as claimed in claim 1 , wherein

the preparation step comprises preparing a crusher electrically connected to the power supply device; and

the vacuum cracking step comprises

sending the electronic waste to the crusher to be crushed before sending to the vacuum cracking device;

crushing the electronic waste to form multiple small pieces by the crusher; and

sending the small pieces of the electronic waste to the vacuum cracking device.

3. The electronic waste processing method as claimed in claim 2 , wherein the vacuum cracking step comprises

sending the electronic waste to the high-frequency furnace body by a cart after the crushing by the crusher;

closing and vacuuming the vacuum chamber in the vacuum state by the vacuum pump; and

heating the small pieces of the electronic waste by the high-frequency furnace body with two-stage heating.

4. The electronic waste processing method as claimed in claim 1 , wherein the vacuum cracking step includes:

heating the plastic materials in each of the small pieces of the electronic waste to 250° C. and cracking in low-temperature vacuum to generate the gaseous oil and gas; and

heating and melting the remaining metal materials in the small pieces of the electronic waste into liquid metal by vacuum cracking at 1800° C.

5. The electronic waste processing method as claimed in claim 2 , wherein the vacuum cracking step includes:

heating the plastic materials in each of the small pieces of the electronic waste to 250° C. and cracking in low-temperature vacuum to generate the gaseous oil and gas; and

heating and melting the remaining metal materials in the small pieces of the electronic waste into liquid metal by vacuum cracking at 1800° C.

6. The electronic waste processing method as claimed in claim 3 , wherein the vacuum cracking step includes:

heating the plastic materials in each of the small pieces of the electronic waste to 250° C. and cracking in low-temperature vacuum to generate the gaseous oil and gas; and

heating and melting the remaining metal materials in the small pieces of the electronic waste into liquid metal by vacuum cracking at 1800° C.

7. The electronic waste processing method as claimed in claim 4 , wherein

the preparation step includes:

preparing a water-sealed vacuum pump as the vacuum pump; and

preparing an electrolysis device electrically connected to the power supply device; and

the recovery step includes:

sending the liquid metal to the electrolysis device via another pipeline; and

extracting the liquid metal into different solid metals after an electrolysis treatment by the electrolysis device.

8. The electronic waste processing method as claimed in claim 5 , wherein

the preparation step includes:

preparing a water-sealed vacuum pump as the vacuum pump; and

preparing an electrolysis device electrically connected to the power supply device; and

the recovery step includes:

sending the liquid metal to the electrolysis device via another pipeline; and

extracting the liquid metal into different solid metals after an electrolysis treatment by the electrolysis device.

9. The electronic waste processing method as claimed in claim 6 , wherein

the preparation step includes:

preparing a water-sealed vacuum pump as the vacuum pump; and

preparing an electrolysis device electrically connected to the power supply device; and

the recovery step comprises

sending the liquid metal to the electrolysis device via another pipeline; and

extracting the liquid metal into different solid metals after an electrolysis treatment by the electrolysis device.

10. The electronic waste processing method as claimed in claim 7 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

11. The electronic waste processing method as claimed in claim 8 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

12. The electronic waste processing method as claimed in claim 9 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

13. The electronic waste processing method as claimed in claim 1 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous oil and gas in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

14. The electronic waste processing method as claimed in claim 2 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous oil and gas in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

15. The electronic waste processing method as claimed in claim 3 , wherein the subsequent processing step comprises

sub-packaging and storing the hydrogen chloride in the filtered gaseous oil and gas in the hydrochloric acid storage tank for cleaning or disinfection; and

sub-packaging the remaining auxiliary fuel in the fuel storage tank for supplying as a source of fuel.

16. An electronic waste processing apparatus comprising:

a power supply device;

a vacuum cracking device electrically connected to the power supply device, and having

a vacuum pump;

a vacuum chamber connected to and communicating with the vacuum pump; and

a high-frequency furnace body disposed in the vacuum chamber;

a filter device electrically connected to the power supply device, and connected to and communicating with the high-frequency furnace body of the vacuum cracking device; and

a separation device electrically connected to the power supply device, connected to and communicating with the vacuum pump and the filter device, and having

a condensation cylinder;

a cooling cylinder connected to the condensation cylinder to provide a cooling effect to the condensation cylinder; and

an oil storage tank connected to and communicating with the condensation cylinder.

17. The electronic waste processing apparatus as claimed in claim 16 , wherein the electronic waste processing apparatus has a crusher connected to the vacuum cracking device.

18. The electronic waste processing apparatus as claimed in claim 16 , wherein the separation device has

a hydrochloric acid storage tank connected to and communicating with the vacuum pump; and

a fuel storage tank connected to and communicating with the hydrochloric acid storage tank.

19. The electronic waste processing apparatus as claimed in claim 17 , wherein the separation device has

a hydrochloric acid storage tank connected to and communicating with the vacuum pump; and

a fuel storage tank connected to and communicating with the hydrochloric acid storage tank.

20. The electronic waste processing apparatus as claimed in claim 18 , wherein the electronic waste processing apparatus has an electrolysis device electrically connected to the power supply device, and connected to and communicating with the high-frequency furnace body of the vacuum cracking device.