TW201515727A - Manufacturing method of solid refuse derived fuel for automobile shredder residue - Google Patents

Abstract

A manufacturing method of solid refuse derived fuel (RDF-5) for automobile shredder residue (ASR) comprises steps: firstly, sieving the substrate from the automobile shredder residue, wherein the substrate is a comburent smaller than a first size; next, heating and stirring the substrate to a heating temperature to allow the substrate to form a molten substrate; next, removing the heating source to add an antichlor into the molten substrate and to stir it to be in an uniform status and lower the temperature; then, delivering it into the granulator after lowering the temperature at a granulation temperature; and finally, performing granulation with a pressure at a proper temperature.

Description

Method for manufacturing solid waste derived fuel from waste motor vehicle crushing residue

The present invention relates to a method for producing a solid waste-derived fuel (RDF-5); and more particularly to a method for manufacturing a solid waste-derived fuel (RDF-5) of waste motor vehicle pulverized residue (ASR), which is mainly waste After the motor vehicle crushing residue (ASR) is recovered, the combustibles are screened to form a solid waste-derived fuel (RDF-5), and the waste motor vehicle crushing residue (ASR) is converted into a renewable energy source.

Refuse Derived Fuel (RDF) technology is a technology in which waste is fueled by different treatment processes. The solid waste-derived fuel (RDF-5) is a process of crushing, sorting, drying, mixing additives and molding into solid ingot fuel for solid fuel boilers to replace coal, or with coal. Mixed burning.

The main characteristics of solid waste-derived fuel (RDF-5) are uniform size and calorific value (about 2/3 of coal), easy to transport and store, and can be stored at room temperature for 6 to 12 months without corruption. Very easy to use. It can be directly used as a mechanical bed type boiler, a fluidized bed boiler and a power generation boiler, etc., as a main fuel or mixed with coal.

In the prior art, as disclosed in the Republic of China Patent No. 201111493TW, a method for regenerating a solid waste-derived fuel is disclosed. Please refer to FIG. 1. FIG. 1 is a flow chart of a conventional technique of the Republic of China Patent Application No. 201111493TW, and the Republic of China Patent No. 201111493TW discloses A waste wood material, a plastic material, a flammable crop material after harvest, and the like, which are recycled into an environmentally-friendly regenerative fuel, and the harvested flammable wood materials and recycled wood and plastic materials are pulverized and processed. In the form of granules of appropriate size, the different materials sorted and recovered are mixed and mixed in an appropriate proportion to form a fuel material with high combustion efficiency, and then extruded by a squeezing device to form a rod-shaped fuel. Rods, through the fixed length extrusion of the machine, can produce environmentally friendly fuel rods for regenerative combustion, so that the use of discarded wood materials or discarded crops can achieve environmental protection and economical purposes of easy recycling and recycling.

At present, after crushing and sorting waste motor vehicles, nearly 30% of them contain complex residues, such as foam, plastic, rubber, fiber, metal, glass, dust and other sundries. Automobile Shredder Residue (ASR), if it can develop waste motor vehicle crushing residue (ASR) into Refuse Derived Fuel (RDF), not only can fully utilize the waste motor vehicle crushing The high heat value of the residue (ASR) can also solve the problem of proper disposal of waste motor vehicle crushing residue (ASR), and it can also combine the effects of waste disposal and energy resource recycling.

The invention provides a method for manufacturing a solid waste derived fuel (RDF-5) of waste motor vehicle crushing residue (ASR), which mainly recovers waste motor vehicle crushing residue (ASR) and screens out appropriate crushing size. Combustible material, the appropriate crushing size is mainly based on the performance of the factory machine. Most suitable, the most suitable crushing size of the solid waste derived fuel (RDF-5) plant equipment is less than 6.35 mm, and then the lime soil is removed by using a sieve of one size. According to the solid waste derived fuel (RDF-5) plant equipment, the best 2 mm screen, after heating the screen to the molten state, stop heating and add dechlorination agent to continue stirring and cooling, then pass Appropriate temperature and pressure control to increase the molding effect, homogenization of mixed materials, improve combustibles, reduce the amount of ash and harmful substances generated after combustion, and rapidly produce waste motor vehicle crushing residue ASR into solid waste. Fuel (RDF-5), the waste motor vehicle crushing residue (ASR) is converted into renewable energy.

The invention relates to a method for manufacturing a solid waste derived fuel (RDF-5) of waste motor vehicle crushing residue (ASR), the steps comprising: first, screening a substrate of a waste motor vehicle crushing residue, the substrate is a combustible material below the first size; heating and stirring the substrate to a heating temperature to form a molten substrate; then, removing the heat source, adding a chlorine removal agent to the molten substrate, stirring to a uniform state And cooling; then, cooling to a processing temperature and then feeding to the granulator; finally, granulating at a pressure at a granulation temperature.

As described above, in one embodiment, a substrate of the pulverized residue of the waste motor vehicle is screened out, and the substrate is a step of combustible material below the first size. The step may further include the substrate being a combustible material between a second size and the first size, wherein the second size is less than the first size.

As described above, in an embodiment, in the process of cutting off the heat source, adding a chlorine removal agent to the molten substrate, the step of stirring to a uniform state and cooling further comprises adding a calorific value with an adjustable finished product, ash after combustion, and combustible An additive comprising polyethylene (PE), sludge and/or wood chips.

As mentioned above, in one embodiment, the first dimension is 6.35 mm.

As mentioned above, in one embodiment, the second dimension is 2 millimeters.

As mentioned above, in one embodiment, the heating temperature is between 190 and 200 degrees.

As mentioned above, in one embodiment, the ratio of the chlorine removal agent in the molten substrate is between 7% and 10%.

As described above, in one embodiment, the chlorine removal agent is calcium hydroxide Ca(OH) ₂ .

As mentioned above, in one embodiment, the processing temperature is between 110 and 130 degrees.

As described above, in one embodiment, wherein the granulation temperature is between 100 and 120 degrees, the granulation pressure is 160 kg/cm ² or more.

The invention provides a method for manufacturing a solid waste derived fuel (RDF-5) of waste motor vehicle crushing residue (ASR), which mainly recovers waste motor vehicle crushing residue (ASR) and screens out combustible materials. Solid waste derived fuel (RDF-5), which has an increased calorific value, reduced ash generation, and flammable fraction Improve the efficiency and achieve the conversion of waste motor vehicle crushing residue (ASR) into renewable energy.

The above and other objects, features, and advantages of the present invention will become more apparent from the accompanying drawings.

Step S10~Step S14‧‧‧ Manufacturing method of solid waste derived fuel for waste motor vehicle crushing residue

1 is a flow chart of a conventional technique of the Republic of China Patent Application No. 201111493TW.

2 is a flow chart showing a method of manufacturing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to the present invention.

The invention provides a method for manufacturing a solid waste derived fuel (RDF-5) of waste motor vehicle crushing residue (ASR), please refer to FIG. 2, which is a solid waste of a waste motor vehicle crushing residue according to the present invention. A flow chart of a method for producing a derivative fuel, a method for manufacturing a solid waste derived fuel (RDF-5) of waste motor vehicle crushing residue (ASR), the steps comprising: first, step S10, producing a crushing plant Waste motor vehicle crushing residue (ASR), screening out a substrate in a waste motor vehicle crushing residue (ASR), which is a combustible material below the first size (polymer, foam, fiber, paper) , wood, etc.).

As described above, in one embodiment, the first size is the size of the existing equipment of the factory for screening after crushing, and most preferably, the first size is 6.35 mm.

As described above, in an embodiment, step S10 may further include the substrate being a combustible material between a second size and a first size, wherein the second size is smaller than the first size, that is, the substrate is mainly The screen is used to remove the lime soil by a screen having a second size aperture, and most preferably, the second size is 2 mm.

Next, in step S11, the substrate is heated and stirred to a heating temperature to form a substrate into a molten substrate.

As described above, in one embodiment, the heating temperature is between 190 and 200 degrees, and the heating time is about 1 to 2 hours, but the embodiment is not limited thereto, and the heating temperature is heated until the substrate is formed into a molten state. The temperature of the material.

Next, in step S12, the heat source is cut off, a dechlorinating agent is added to the molten substrate, and stirring is continued for 0.5 hours to make the dechlorinating agent uniform and cool in the molten substrate.

As described above, in one embodiment, the ratio of the chlorine removal agent to the molten substrate is between 7% and 10%, and the chlorine removal agent is calcium hydroxide Ca(OH) ₂ having a purity of 83%.

As described above, in an embodiment, step S12 may further comprise adding an additive having an adjustable calorific value of the finished product, post-combustion ash, and combustible portion, the additive comprising polyethylene (PE), sludge, and/or wood chips, It is desirable to add different proportions of the additive to the molten substrate.

Next, in step S13, the temperature is lowered to a processing temperature and sent to the granulator.

As mentioned above, in one embodiment, the processing temperature is between 110 degrees and Between 130 degrees.

Next, in step S14, granulation is carried out at a granulation temperature under a pressure.

As described above, in one embodiment, the granulation temperature is between 100 and 120 degrees and the pressure is 160 kg/cm ² or more.

After the granulated finished product is taken out, it is flattened or sprayed with water to cool, and the heat is cooled. Up to 50 degrees, then bagging or packaging.

As described above, the material arrangement ratio of the superior substrate, the chlorine removal agent and the additive of the present invention is as shown in Table 1.

As described above, whether the substrate is subjected to pre-screening treatment, the difference in loss during the finished molding manufacturing process is shown, that is, the crucible substrate (after de-ashing) is made into the finished product 1 and the substrate (not de-soiled) to form the finished product 2 Comparison: the average calorific value loss of finished product 2 is only about 182kcal/kg; the average combustible loss of finished product 2 is about 6.08%, and the finished product is 2 flat. The average ash content increased by about 6.57%; and the maximum difference between the average density and the moisture regain of the finished product 2 and the substrate was about 6.30% and 3.26%, respectively.

In addition, the substrate (not to the lime soil) treatment, and the difference in the loss of the process of producing the finished product with different addition ratios, that is, the finished product 2 to the finished product 4 with the substrate (not de-soil): average heat loss The maximum difference is only about 205kcal/kg; the maximum difference between the average combustible fraction and the average ash fraction, and the moisture regain of the finished product is less than 4.72%, and the difference is not significant. However, in terms of the average density of finished products, the difference between finished product 2 and finished product 4 is 12.60%.

As described above, the manufacturing method of the solid waste-derived fuel (RDF-5) of the waste motor vehicle crushing residue (ASR) can not only fully utilize the high heat value of the waste motor vehicle crushing residue (ASR), low-ash soil generation and high flammability. The characteristics can also solve the problem of proper disposal of waste motor vehicle crushing residue (ASR), and it can also combine the effects of waste disposal and energy resource recycling.

In summary, it is merely described that the present invention is an implementation or embodiment of the technical means employed to solve the problem, and is not intended to limit the scope of implementation of the present patent. Any change or modification that is consistent with the scope of the patent application scope of this creation or the scope of the patent creation is covered by the scope of the creation patent.

Step S10~Step S14‧‧‧ Manufacturing method of solid waste derived fuel for waste motor vehicle crushing residue

Claims (10)

A method for manufacturing a solid waste-derived fuel for waste motor vehicle pulverization residue, comprising the steps of: screening a substrate of a waste motor vehicle pulverized residue, the substrate being a combustible material of a first size or less; heating and stirring The substrate is heated to a temperature to make the substrate form a molten substrate; the heat source is cut off, a dechlorinating agent is added to the molten substrate, stirred to a uniform state and cooled; and the temperature is lowered to a processing temperature and then sent to the substrate. Granulator; granulation at a granulation temperature under a pressure. A method for producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1, wherein a substrate of the waste motor vehicle pulverized residue is screened, and the substrate is flammable below a first size The step of forming may further comprise the substrate being a combustible material between a second dimension and the first dimension, wherein the second dimension is less than the first dimension. A method for producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1, wherein the step of removing the heat source, adding a chlorine removal agent to the molten substrate, and stirring to a uniform state and cooling further comprises An additive having an adjustable calorific value of the finished product, post-combustion ash, and combustible portion is added, the additive comprising polyethylene (PE), sludge, and/or wood chips. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1 of the patent application, wherein the first size is 6.35 mm. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 2, wherein the second size is 2 mm. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1 of the patent application, wherein the heating temperature is between 190 and 200 degrees. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1, wherein the ratio of the chlorine removal agent to the molten substrate is between 7% and 10%. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to the first aspect of the patent application, wherein the chlorine removal agent is calcium hydroxide Ca(OH) ₂ . A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to claim 1 of the patent application, wherein the processing temperature is between 110 degrees and 130 degrees. A method of producing a solid waste-derived fuel of a waste motor vehicle pulverized residue according to the first aspect of the patent application, wherein the granulation temperature is between 100 and 120 degrees, and the pressure is 160 kg/cm ² or more.