TWI639708B - Method for manufacturing nickel-containing slag plastic product - Google Patents

Abstract

The invention relates to a method for manufacturing a nickel-containing slag plastic product, which comprises the steps of providing a slag substrate and a plastic material, and then preheating and mixing, kneading and mold shaping to form a nickel-containing slag plastic product, wherein the slag substrate is used. The composition of nickel-containing slag and clay is well combined with the plastic material, so that the slag substrate and the plastic material are uniformly kneaded and molded, and become a nickel-containing slag plastic product with good strength and not easily deformed. In this way, the slag can be applied to industrial products or building products, expand the application range of slag, reduce waste, and reduce the amount of plastic materials used.

Description

Method for manufacturing nickel-containing slag plastic product

The invention relates to a method for manufacturing a plastic product, in particular to a method for manufacturing a nickel-containing slag plastic product.

The construction of civil engineering has an important relationship with people's daily life. Because of the exploitation of natural materials such as sand and gravel and the extensive use, it can be used as a natural shape. Based on the reduction of natural resources mining and the reduction of waste impact on the environment, blast furnace slag, converter slag and electric arc furnace slag, such as smelting steel, have been widely used in harbors, slope protection, beach raising, landscape, and open shredding. Civil engineering such as stone pavement surface, or application to cement products, and other industries are used for fertilizer or land reclamation. The use of slag allows waste to be reused and is a practical example of resource regeneration.

However, the existing slag reuse is mostly applied to civil engineering or cement products, and other industries are used for limited purposes such as fertilizer or land reclamation. In terms of the current application range of slag, it has not been seen that slag is used in industrial products or building products.

In addition, existing industrial products or construction products are manufactured by using plastic materials in addition to metal materials. However, although pure plastic materials can utilize the characteristics of polymer materials to achieve the intended purpose, they are simply made of plastic materials. Products generally have problems such as insufficient strength, and products made entirely of plastic materials have excessive energy consumption, and there is a need for further improvement.

The main object of the present invention is to provide a method for manufacturing a nickel-containing slag plastic product, which is used to solve the problem that the existing slag is only applicable to road engineering, water or fertilizer or land reclamation, fails to expand the application range of the slag, and is currently completely using plastic materials. Plastic products consume energy.

In order to achieve the foregoing object, a method for manufacturing a nickel-containing slag plastic product according to the present invention includes: providing a slag substrate and a plastic material, wherein the composition of the slag substrate comprises a nickel-containing slag and a clay, the The content of the nickel slag is 10% to 80% by weight (PHR) with respect to the weight of the plastic material, and the content of the clay is a weight percentage (PHR) relative to the weight of the plastic material. 20%~90%; preheating the slag substrate and the plastic material; mixing the preheated slag substrate with the plastic material, and preheating The slag substrate and the plastic material are continuously heated to form a hot melt state of the plastic material, and the slag substrate is uniformly mixed in the hot melt plastic material by continuous twisting, pressing, stirring and conveying means. , to become a raw material for plastic products; and to form a nickel-containing slag plastic product by molding the plasticized raw material of the mixture by means of mold shaping.

In the method for producing a nickel-containing slag plastic article as described above, the composition of the nickel-containing slag comprises 25 to 30 weight percent (wt%) of magnesium oxide and 50 to 55 weight percent (wt%) of cerium oxide. And the remaining weight percent (wt%) of nickel.

In the method for manufacturing a nickel-containing slag plastic product as described above, the plastic material is selected from the group consisting of polypropylene (PP), polyethylene (PE), polystyrene (PS), and acrylonitrile-butadiene. - styrene copolymer (Acrylonitrile Butadiene Styrene, ABS), and any of polyvinyl chloride (PVC).

In the method for producing a nickel-containing slag plastic product as described above, the step of kneading the pre-heated mixed slag substrate and the plastic material, the kneading mechanism having a sectional temperature adjustment Function, and using segmental temperature regulation means to adjust to a suitable mixing temperature according to different mixing states of the slag substrate and the plastic material from the input end of the mixing mechanism toward the output end direction, The slag substrate in the plastic material is uniformly kneaded with the hot melt plastic material.

In the method for producing a nickel-containing slag plastic product as described above, in the step of providing a slag substrate and a plastic material, the nickel-containing slag of the slag substrate provided is reduced by the pulverization and grinding means to reduce the nickel-containing slag Its particle size.

According to the method for preparing a nickel-containing slag plastic product, the invention uses a slag substrate and a plastic material to be hot-melted and kneaded, and then molded into a nickel-containing slag plastic product by a mold, so that the slag is no longer limited to road engineering and Cement products can be further extended to industrial products or building products for molding. Furthermore, the present invention further utilizes a nickel-containing slag containing 10% to 80% by weight of the external weight percentage (PHR) of the plastic material, and an external weight percentage relative to the plastic material. (PHR) 20%~90% of clay, the composition of the slag substrate and the plastic material have a good combination, so that the slag substrate and the plastic material are mixed and the mold is shaped by the nickel-containing slag plastic products. In the plastic products using pure plastic materials, the nickel-containing slag plastic products have the effects of improving product strength and being not easily deformed. Moreover, the method for producing a nickel-containing slag plastic product according to the present invention is a hot-melt kneading and molding of a slag substrate and a plastic material into a nickel-containing slag plastic product, and the use amount of the plastic material containing the nickel slag plastic product is halved. Therefore, energy consumption can be effectively reduced, and the slag originally belonging to waste can be further reused to reduce waste.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow chart showing a preferred embodiment of a method for producing a nickel-containing slag plastic article of the present invention.

The present invention relates to a method for manufacturing a nickel-containing slag plastic product. Referring to the flow chart shown in FIG. 1 , a specific preferred embodiment of the method for manufacturing a nickel-containing slag plastic product includes the following steps: providing a slag substrate And the plastic material; preheating and mixing the slag substrate and the plastic material, heat-melting the plastic material through a raw material hot melt device, and applying a stirring action to make the slag substrate Mixing in the hot melted plastic material; kneading the preheated mixed slag substrate with the plastic material, and performing the preheating and mixing slag substrate by a kneading mechanism And the hot melt plastic material is input into the kneading mechanism, and in the kneading temperature environment, continuous twisting, pressing, stirring and conveying are applied to uniformly mix the slag substrate in the hot melt plastic material. It becomes a raw material of plastic products; and the raw material of the plastic products after the kneading is formed into a nickel-containing slag plastic product by means of mold shaping.

In the foregoing step of providing a slag substrate and a plastic material, the composition of the slag substrate comprises a nickel-containing slag and a clay, and the content of the nickel-containing slag is a percentage by weight relative to the weight of the plastic material ( PHR) is 10% to 80%, and the content of the clay is 20% to 90% by weight (PHR) relative to the weight of the plastic material, that is, the material of the slag substrate and the plastic material. The weight ratio of the combined components is configured to be 10% to 80% by weight of the nickel-containing slag per 100% unit weight of the plastic material, and 20% to 90% by weight of the clay. Wherein, the composition of the nickel-containing slag comprises 25-30 weight percent (wt%) of magnesium oxide, 50-55 weight percent (wt%) of cerium oxide, and the remaining weight percentage (wt%) of nickel.

In the preferred embodiment, the plastic material is selected from the group consisting of polypropylene (PP), polyethylene (PE), polystyrene (PS), and acrylonitrile. Any of Acrylonitrile Butadiene Styrene (ABS) and Polyvinyl Chloride (PVC). Among them, the polypropylene (PP), polyethylene (PE), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), and polyvinyl chloride (PVC) are all thermoplastics. The material has good material bonding with magnesium oxide, cerium oxide and nickel in the composition of the nickel-containing slag.

The particle size of the nickel-containing slag in the foregoing slag substrate is determined according to the product of the predetermined nickel-containing slag plastic product, and when the particle size of the nickel-containing slag of the provided slag substrate is too large, the slag can be further pulverized. And a grinding means for reducing the particle size of the nickel-containing slag.

In the step of preheating and mixing the slag substrate and the plastic material, the slag substrate and the plastic material are preheated and mixed by a raw material hot melt device, wherein By the melting point of the slag substrate being higher than the melting point of the plastic material, in the preheating step, the plastic material is first hot melted, and the stirring is performed by the raw material hot melt device to mix the slag substrate with the hot melt. In the plastic material.

The step of kneading the pre-heated mixed slag substrate and the plastic material is performed by a kneading mechanism having a sectional temperature adjustment function to preheat the mixed slag substrate And inputting the hot melt plastic material into the kneading mechanism, adjusting the preheated slag substrate and the hot melt plastic material in an appropriate mixing temperature environment, and simultaneously applying continuous twisting, pressing, stirring and Conveying and other mixing action, the slag substrate is evenly mixed in the hot-melt plastic material to become a raw material for plastic products. Wherein, the kneading temperature is set according to different plastic materials, and further, the segmentation temperature adjustment means can be further used according to the slag substrate and the plastic material from the input end of the kneading mechanism toward the output end. The different mixing states of the process are controlled in stages to an appropriate mixing temperature, so that the slag substrate and the hot-melt plastic material in the plastic raw material can be optimally kneaded.

The step of preparing the nickel-containing slag plastic product by the mold shaping method after the kneaded plastic material is used, and the raw material of the plastic product after the kneading is passed through an extruder, injection molding or casting equipment. Then, it is formed by using a mold shaping method such as extrusion, injection or infusion, and after being cooled and solidified, it is taken out from the mold and taken out to form a nickel-containing slag plastic product.

It can be seen from the above description that the method for manufacturing the nickel-containing slag plastic product of the present invention is to use a slag substrate and a plastic material to be hot-melted and kneaded, and then shaped into a nickel-containing slag plastic product by molding the mold, so that the slag is no longer limited. Road engineering and cement products can be further extended to industrial products or building products for molding.

On the other hand, in the manufacturing method of the nickel-containing slag plastic product of the present invention, the composition of the slag substrate is further utilized to include nickel-containing slag and clay, and the composition of the slag substrate has a good combination with the plastic material. Therefore, after uniformly kneading the slag substrate and the plastic material, and then molding into a predetermined plastic product containing nickel slag, the nickel-containing slag plastic product is improved compared with the plastic product using the plastic material alone. Product strength, non-deformation and other effects, but also reduce the use of plastic materials, reduce energy consumption, so that waste slag can be further utilized, reduce waste, and help the environment to maintain.

Claims (3)

A method for manufacturing a nickel-containing slag plastic product, comprising: providing a slag substrate and a plastic material, wherein the composition of the slag substrate comprises nickel-containing slag and clay, and the content of the nickel-containing slag is relative to the plastic The weight of the material is 10% to 80% by weight (PHR), and the content of the clay is 20% to 90% by weight (PHR) with respect to the weight of the plastic material. The composition of the nickel slag comprises 25-30 weight percent (wt%) of magnesium oxide, 50-55 weight percent (wt%) of cerium oxide, and the remaining weight percentage (wt%) of nickel; Any one of polypropylene (PP), polyethylene (PE), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), and polyvinyl chloride (PVC); The substrate and the plastic material are preheated and mixed, and the plastic material is hot-melted through a raw material hot-melting device, and the stirring effect is applied to mix the slag substrate in the hot-melted plastic material; Preheating and mixing the slag substrate and the plastic material for kneading, through a mixing mechanism Executing, the pre-heated mixed slag substrate and the hot-melt plastic material are input into the kneading mechanism, and in the kneading temperature environment, continuous twisting, pressing, stirring and conveying are applied to make the slag The substrate is uniformly mixed in the hot-melt plastic material to become a raw material of the plastic product; and the plasticized raw material of the mixture is formed into a nickel-containing slag plastic product by means of mold shaping. The method for producing a nickel-containing slag plastic product according to claim 1, wherein the step of kneading the pre-heated mixed slag substrate and the plastic material, the kneading mechanism has The temperature adjustment function is segmented and adjusted according to the different mixing state of the slag substrate and the plastic material self-mixing mechanism from the input end to the output end in the direction of the output end. The mixing temperature is such that the slag substrate in the plastic raw material is uniformly kneaded with the hot melt plastic material. The method for producing a nickel-containing slag plastic product according to claim 2, wherein in the step of providing the slag substrate and the plastic material, the nickel-containing slag of the provided slag substrate is pulverized and ground by means of grinding Nickel slag reduces its particle size.