TWI633944B - Continuous treatment method and equipment for high temperature melting of waste - Google Patents

Abstract

A continuous high-temperature melting treatment method for waste includes a processing step and a melting step. The processing step includes a squeezing procedure that squeezes a component such that air in the component is removed, wherein the component contains waste. The melting step is to use the heat generated by the cycle to melt the components processed by the processing step into a fluid, and to decompose or gasify the organics in the components processed by the processing step. The invention also provides a continuous high-temperature melting equipment for waste treatment, comprising a treatment system and a control device. The processing system includes a processing device, a driving device, a conveying device and a horizontal cycle furnace. Through the high-temperature melting continuous treatment method and equipment of the waste, the treated waste can have better quality and purity.

Description

Continuous treatment method and equipment for high temperature melting of waste

The invention relates to a processing method and a processing device, in particular to a continuous high-temperature melting continuous processing method and a continuous high-temperature melting continuous processing device.

General business wastes, such as hazardous ash after heat treatment and incineration, and toxic wastes, are often disposed of by solidification and landfill because they have no reuse value. However, the solidification method has the problems of poor long-term stability of the solidified waste, and the landfill method has the problems of high land cost, difficult to find sites, waste of land resources, and secondary pollution to the environment. Therefore, it is necessary to find other methods of waste disposal.

Taiwan Patent Publication No. I312703 discloses an incinerator fly ash feeding device which can automate continuous feeding operation and can completely leave the fly ash in the melting furnace. The incinerator fly ash feeding device includes an ingot making unit for granulating the fly ash into an ingot, and a control unit for controlling the ingot injecting unit. Further, the ash ingot is sent to a plasma furnace for melting.

Although the patent discloses how to deal with the incinerator fly ash method and equipment, because the heating method of the plasma furnace is from the center, and the temperature is closer to the furnace wall, the problem of uneven heating temperature Therefore, the quality of the treated fly ash obtained by using the method and equipment of this patent is uneven, so that there are problems of low safety and low efficiency in subsequent use.

Therefore, an object of the present invention is to provide a continuous high temperature melting treatment method for waste.

Therefore, the method for continuously treating high-temperature melting of waste according to the present invention includes a processing step and a melting step. The processing step includes a squeezing procedure that squeezes a component such that air in the component is removed, wherein the component contains waste. The melting step is to use the heat generated by the cycle to melt the components processed by the processing step into a fluid, and to decompose or gasify the organic matter in the components processed by the processing step. The heat generated by the cycle is It is provided by a cycle heater, which includes a high temperature resistant tube defining a heating space for the components processed by the processing step to pass through, and a cycle coil wound around the outer surface of the high temperature resistant tube.

Another object of the present invention is to provide a continuous high temperature melting equipment for waste treatment.

The waste high-temperature melting continuous treatment equipment of the invention comprises: a treatment System and a control device. The processing system includes a processing device, a driving device, a conveying device, and a horizontal cycle furnace. The processing device includes a squeezing mechanism for squeezing a component such that air in the component is removed, wherein the component contains waste. The driving device is connected to the processing device and is used to drive the processing device to operate. The conveying device is connected to the processing device and is used to convey the components processed by the processing device. The horizontal cycle furnace is located downstream of the conveying device, and is used to melt the components passing through the conveying device into a flowing substance, and to decompose or gasify organic substances in the components passing through the conveying device. The control device is electrically connected to the processing system and is used to control the operation of the processing system.

The effect of the present invention is that compared with the weight, volume, stability, pollution, quality and purity of the untreated waste, through the method and equipment for continuous treatment of high temperature melting of the waste, the treated waste can be processed. The weight and volume become smaller, and at the same time, it has the characteristics of high stability, low pollution, high quality, and high purity. Therefore, the method and equipment for continuous treatment of high temperature melting of waste according to the present invention have the advantages of reduction, volume reduction and safety. The effect can be used as the final disposal method for waste disposal in the current environmental protection technology industry. Furthermore, the method and equipment for continuous high-temperature melting treatment of waste according to the present invention can continuously treat waste.

10‧‧‧Processing System

1‧‧‧ treatment device

11‧‧‧ squeeze mechanism

110‧‧‧Storage space

111‧‧‧ shaft

112‧‧‧The first spiral leaf unit

113‧‧‧Second screw unit

12‧‧‧ fragmentation agency

2‧‧‧ Conveying device

3‧‧‧Drive

31‧‧‧Motor mechanism

32‧‧‧ Reduction mechanism

33‧‧‧Coupling

34‧‧‧Bearing mechanism

4‧‧‧Horizontal Frequency Furnace

41‧‧‧ weekly heater

42‧‧‧shell

40‧‧‧ heated space

411‧‧‧High temperature tube

412‧‧‧cycle coil

5‧‧‧control device

6‧‧‧ solidification device

Other features and effects of the present invention will be described with reference to the embodiments of the drawings. 1 is a schematic diagram of an embodiment of the high temperature melting continuous treatment equipment of the present invention; FIG. 2 is a schematic sectional view of a horizontal cycle furnace of a melting device of the embodiment; and FIG. 3 is a schematic diagram of a pressing mechanism of a processing device of the embodiment.

An embodiment of the continuous treatment method for high temperature melting of waste according to the present invention includes a processing step, a melting step after the processing step, and a solidification step after the melting step.

The processing step includes a shredding process and an extrusion process after the shredding process. The shredding process is to shred a component, and the component contains waste. The waste in this component can be used singly or in combination, and the waste such as, but not limited to, ash, sludge, and the like. The sludge is, for example, but not limited to, water-containing sludge. The water-containing sludge is, for example, water-containing sludge produced in the manufacturing industry or water-containing sludge produced in the electroplating industry. In this embodiment, the waste in this component comes from the harmful dust and fly ash produced by the printing and dyeing industry and from the harmful sludge produced by the electroplating industry. The purpose of this shredding process is to minimise agglomerates or lumps in the waste. The agglomerates or the agglomerates are formed, for example, by tangling of viscous substances or fibers in the sludge. The extrusion process The sequence is to squeeze the components processed by the crushing procedure so that the air in the components processed by the crushing procedure is removed, which is conducive to reducing the phenomenon of gas explosion when the melting step is performed.

In the melting step, the component processed by the processing step is heat-treated by using the heat generated by the cycle, so that the component processed by the processing step is melted into a fluid, and the Organic matter is decomposed and / or gasified to achieve volume reduction and volume reduction effects. The organic substance is, for example, dioxin. In addition, in addition to organic matter, the components treated by this treatment step also include inorganic matter. Examples of the inorganic substance include non-metallic substances, heavy metals, and metals other than heavy metals. In the melting step, a heavy metal in the inorganic substance or a metal other than a heavy metal is converted into a stable substance by a reaction due to heat, thereby achieving a stabilization effect. In this embodiment, the temperature of the heat generated by the cycle is about 1800 ° C.

In the solidification step, the fluid is introduced into water to cool the fluid, and the fluid may burst into small glassy particles due to thermal expansion and contraction. In a variation of this embodiment, in the coagulation step, the coagulation uses cooling gas to cool and solidify the fluid.

The treated waste obtained by the continuous high-temperature melting treatment method of the waste of the present invention can be used to replace natural sand and gravel in construction materials. In the case where the amount of natural sand and gravel is limited, the treated waste of the present invention can be used continuously and has marketability.

Referring to FIG. 1, FIG. 2 and FIG. 3, an embodiment of a high-temperature continuous melting treatment device for waste according to the present invention includes a processing system 10 and a control device 5. The processing system 10 includes a processing device 1, a conveying device connected to the processing device 1, a driving device 3 connected to the processing device 1, a horizontal cycle furnace 4 located downstream of the conveying device 2, and A coagulation device 6 located downstream of the horizontal cycle furnace 4. The waste in this component is, for example, but not limited to, harmful dust, fly ash, or harmful sludge. In this embodiment, the waste in this component is harmful dust collection fly ash and harmful sludge.

The processing device 1 includes a reducing mechanism 12 and a pressing mechanism 11 connected to the reducing mechanism 12. The reducing mechanism 12 is used for reducing the component. The pressing mechanism 11 is used to squeeze the components processed by the reducing mechanism 12 so that the air in the components processed by the reducing mechanism 12 is removed. The pressing mechanism 11 has a shaft 111, a first screw unit 112 provided on the shaft 111, and a second screw provided on the shaft 111 and spaced from the first screw unit 112. The leaf unit 113 and a storage space 110 are located between the first spiral leaf unit 112 and the second spiral leaf unit 113. Through the fact that the first spiral blade unit 112 and the second spiral blade unit 113 are not connected, the components processed by the reducing mechanism 12 can temporarily stay in the storage space 110 and be stored in the storage space 110. Squeeze, and squeeze out the air in the components processed by the crushing mechanism 12.

The driving device 3 includes a motor mechanism 31, a reduction mechanism 32 connected to the motor mechanism 31, a coupling 33 connected to the reduction mechanism 32, and a A bearing mechanism 34 connecting the coupling 33 and the reducing mechanism 12 of the processing device 1.

The components processed by the processing device 1 are conveyed into the horizontal cycle furnace 4 through the conveying device 2. The horizontal cycle furnace 4 is used to melt the components passing through the conveying device 2 into a fluid, and to decompose and / or vaporize organic substances in the components passing through the conveying device 2. The horizontal frequency furnace 4 includes a frequency heater 41 and a shell member 42 surrounding the frequency heater 41. The peripheral heater 41 includes a high-temperature resistant tube 411 defining a heating space 40 through which components passing through the conveying device 2 pass, and a peripheral coil 412 wound around the outer surface of the high-temperature resistant tube 411. The high temperature resistant tube 411 is, for example, but not limited to, a silicon carbide tube.

The control device 5 is electrically connected to the processing device 1, the driving device 3 and the horizontal cycle furnace 4 of the processing system 10, and is used to control the operation of the processing system 10.

The coagulation device 6 is used to cool and solidify the flowing material from the horizontal cycle furnace 4. The coagulation device 6 contains water and permeates the water to cool and solidify the fluid. In a variation of this embodiment, the coagulation device 6 contains a cooling gas, and passes through the cooling gas to cool and solidify the fluid.

In summary, compared with the weight, volume, stability, pollution, quality and purity of the untreated waste, the method and equipment for continuous treatment of high temperature melting of the waste can make the Lighter weight and smaller volume, meanwhile, it has better stability, low pollution, high quality and high purity. Therefore, the method and equipment for continuous treatment of high temperature melting of waste according to the present invention have the effects of reducing volume, reducing volume and increasing safety. As a result, it can be used as the current final waste disposal method for the environmental protection technology industry. Furthermore, the method and equipment for continuous high temperature melting treatment of waste according to the present invention can continuously treat waste, so it can indeed achieve the purpose of cost invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application and the contents of the patent specification of the present invention are still Within the scope of the invention patent.

Claims (7)

A method for continuously treating high temperature melting of waste, comprising: a processing step, comprising an extrusion process for extruding a component with an extrusion mechanism to remove air in the component, wherein the extrusion mechanism has A shaft, a first screw unit provided on the shaft, and a second screw provided on the shaft and spaced from the first screw unit and not connected to the first screw unit A component, and a storage space between the first spiral blade unit and the second spiral blade unit, the component containing waste; and a melting step, using the heat generated by the cycle to make the group processed by the processing step It is melted into fluids, and the organic matter in the components processed by the processing step is decomposed or gasified. The heat generated by the cycle is provided by a cycle heater. The cycle heater includes a A high-temperature-resistant tube in a heated space through which the components processed by the processing step pass, and a peripheral coil wound around the outer surface of the high-temperature-resistant tube. The method for continuously treating high-temperature melting waste according to claim 1, wherein the waste is selected from ash, sludge, or a combination thereof. The method for continuously treating high-temperature melting of waste according to claim 1, further comprising a solidification step after the melting step, the solidification step is to cool and solidify the fluid. The method for continuously treating high-temperature melting of waste according to claim 1, wherein the processing step further comprises a crushing procedure before the extrusion procedure, and the crushing procedure is to crush the component. A waste high temperature melting continuous processing equipment, comprising: a processing system including a processing device including a squeezing mechanism for squeezing a component so that air in the component is removed, wherein the squeeze The pressing mechanism has a shaft, a first screw unit provided on the shaft, and a first screw unit provided on the shaft and spaced from the first screw unit and not connected to the first screw unit. Two spiral leaf units, and a storage space between the first spiral leaf unit and the second spiral leaf unit, the component contains waste; a driving device connected to the processing device, and used to drive the processing device Operation; a conveying device connected to the processing device for conveying the components processed by the processing device; a horizontal cycle furnace located downstream of the conveying device and for melting the components passing through the conveying device into Flow the animal and decompose or gasify the organic matter in the components passing through the conveying device; and a control device electrically connected to the processing system and used to control the operation of the processing system. The high-temperature continuous melting treatment device for waste according to claim 5, wherein the horizontal cycle furnace includes a cycle heater including a heating space defining a heating space for components passing through the conveying device to pass through. A high temperature resistant tube and a peripheral coil wound around the outer surface of the high temperature resistant tube. The waste high temperature melting continuous processing equipment according to claim 5, wherein the processing device further comprises a crushing mechanism upstream of the squeezing mechanism and connected to the squeezing mechanism and used to crush the component.