JP2007076161A - Apparatus for manufacturing wood-like molded article and method for manufacturing it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To lower a cost and decrease an area for installation in an apparatus for manufacturing a wood-like molded article which manufactures the wood-like molded article composed of a woody material such as a brushwood in forest and an architectural waste, and a resin. <P>SOLUTION: The apparatus for manufacturing the wood-like molded article which manufactures the wood-like molded article composed of the woody material such as the brushwood in forest and the architectural waste, and the resin comprises: a drying means 2 for drying the woody material; a first grinding means 3 for coarsely grinding the dried woody material to obtain a woody coarse powder; a molding plant 5 for molding the wood-like molded article after mixing a woody fine powder prepared by pulverizing a part of the woody coarse powder and the resin and melting the mixture; and a power generation plant 6 wherein the power generation plant generates electric power using a remaining part of the woody coarse powder. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a manufacturing facility for a wood-like molded article for producing a wood-like molded article comprising a wood-based raw material such as forest land residue and construction building waste and a resin, and a method for producing a wood-like molded article using the same.

As a manufacturing facility for a wood-like molded product, one described in Patent Document 1 is known. This production facility kneads and melts the first pulverizing means for roughly pulverizing the wooden waste material, the second pulverizing means for re-pulverizing the wooden waste material to obtain cellulose-based fine particles, and the cellulose-based fine particles and the resin. Kneading means for obtaining a mixed material, cooling and stirring means for obtaining pellets by cooling and stirring the mixed material, and molding means for forming the pellets into a required shape. Further, the wood waste material may be dried by the drying means before being pulverized by the first pulverizing means.
Japanese Patent Laid-Open No. 2002-331520

  By the way, if this manufacturing facility is reduced in size, there is a problem that the smaller the manufacturing facility for a wood-like molded product, the higher the ratio of power consumption to the production amount, resulting in higher costs. Therefore, when a power plant is installed to cover the power, the power plant has drying means and crushing means as well as the production equipment for wood-like molded products. There was a problem of wasting space.

  An object of the present invention is to reduce costs and reduce the installation area in a wood-like molded product manufacturing facility for manufacturing a wood-like molded product comprising a wood-based raw material and resin such as forest residue and construction building waste. That is.

In order to solve the above-mentioned problems, the invention according to claim 1 is a wood-like product for producing a wood-like molded article comprising a wood-based raw material such as forest land residue and construction waste and a resin as shown in FIG. A manufacturing facility for molded products,
A drying means 2 for drying the woody material;
A first crushing means 3 for roughly crushing the dried wood-based raw material to obtain a wood-based coarse powder;
A molding plant 5 that mixes and melts the wood-based fine particles obtained by finely pulverizing a part of the wood-based coarse particles and forms the wood-like molded product;
A power plant 6 for supplying power to the molding plant 5;
The power plant 6 is characterized in that electric power is generated by using the remainder of the woody coarse particles.
Here, the wood-based raw materials include, in addition to forest land residues and construction waste materials, factory processing waste materials such as pruned branches, sawdust and mill ends, plant residues, and the like.
In addition to resin, polypropylene resin, polyvinyl chloride resin, polyethylene resin, foamed vinyl chloride resin, polystyrene resin, ABS resin, etc., resin products used for food containers and packaging including beverages, etc. In addition, resin waste materials discharged when demolishing a building such as a house, and resin waste materials discharged when dismantling furniture are listed.

  According to the invention described in claim 1, a molding plant 5 that mixes and melts a wood-based fine particle obtained by finely pulverizing a part of a wood-based coarse particle and a resin to form a wood-like molded product; Since the power generation plant 6 that supplies power to the molding plant 5 is provided, a part or all of the power necessary for the molding plant 5 can be covered by the power generation plant 6. Therefore, since the consumption of commercial power is reduced, manufacturing costs can be suppressed. Moreover, since the power generation plant 6 generates electric power using the remainder of the wood-based coarse particles used for forming the wood-like molded product, a common raw material can be used in the molding plant 5 and the power generation plant 6. . Therefore, material cost can be suppressed. Furthermore, since the drying means 2 and the first pulverizing means 3 necessary for forming the wood-like molded product and generating electricity are integrated and shared, the installation area of the manufacturing facility 1 for the wood-like molded product can be reduced. .

For example, as shown in FIG. 2, the invention according to claim 2 is a wood-based molded product according to claim 1, wherein a part of the wood-based coarse particles is finely pulverized to produce a wood-based fine particle. A second crushing means 5a for obtaining
The power plant 6 includes a gas generating means 6a for converting a part of the woody fine particles into a combustible gas by heating the remainder of the woody coarse particles, and an electric power generating means using the combustible gas as a driving source. 6b.

  According to invention of Claim 2, it is equipped with the 2nd grinding | pulverization means 5a which obtains a wood type fine powder particle by pulverizing a part of wood type coarse powder particle, and the electric power plant 6 is the remainder of a wood type coarse powder particle. Is provided with gas generating means 6a for converting a part of the wood-based fine particles into combustible gas and heating power generating means 6b using the combustible gas as a drive source. Therefore, it is possible to use the wood-based coarse particles having a large particle diameter as the heating means of the gas generating means 6a and to convert the wood-based fine particles having a small particle diameter into a combustible gas by the gas generating means 6a.

The invention according to claim 3 is a method for producing a wood-like molded article using the equipment for producing a wood-like molded article according to claim 1 or 2, as shown in FIG.
The woody material is dried by the drying means 2;
Next, the dried wood-based raw material is crushed by the first pulverizing means 3 to form a wood-based coarse particle,
Next, electric power is supplied from the power generation plant 6 that generates power using the remainder of the woody coarse particles to the molding plant 5, and the woody coarse particles are pulverized by the molding plant 5. The wood-based fine particles obtained as described above and the resin are mixed and melted to form a wood-like molded product.

  According to the third aspect of the present invention, the wood-based raw material is dried by the drying means 2 and then pulverized by the first pulverizing means 3 to obtain the wood-based coarse particles, and then the remainder of the wood-based coarse particles is used. Then, electric power is supplied from the power generation plant 6 that generates electric power to the molding plant 5, and the wood-based fine particles and the resin are mixed and melted by the molding plant to form a wood-like molded product. Therefore, since the consumption of commercial power is reduced, manufacturing costs can be suppressed. Moreover, since a raw material common to the molding plant 5 and the power plant 6 can be used, the material cost can be suppressed. Furthermore, since the drying means 2 and the first pulverizing means 3 necessary for forming the wood-like molded product and generating electricity are integrated and shared, the installation area of the manufacturing facility 1 for the wood-like molded product can be reduced. .

  According to the present invention, since the consumption of commercial power is reduced, the manufacturing cost can be suppressed. Moreover, material cost can be suppressed. Furthermore, the installation area of the production facility for wood-like molded products can be reduced.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 is a block diagram showing a first embodiment of a woody molded product manufacturing facility 1 according to the present invention. The woody molded product manufacturing facility 1 includes a drying unit 2, a first pulverizing unit 3, a molding plant 5, and a power plant 6.

  The drying means 2 is for drying the wood-based raw material, and examples thereof include a microwave irradiator that irradiates microwaves, a drying furnace that blows hot air into the furnace, and a multistage dryer that removes moisture with superheated steam. .

  As shown in FIG. 1, the 1st grinding | pulverization means 3 coarsely grinds the wooden raw material dried by the drying means 2, and obtains a wooden coarse grain, For example, the hammer mill which crushes material with a hammer chip, Examples thereof include a cutter mill for chopping with a cutter and a roller mill for crushing with a roller. The woody coarse particles are desirably pulverized to a size of several millimeters.

  The molding plant 5 forms a wood-like molded product including a part of the woody coarse particles coarsely pulverized by the first pulverizing means 3 and a resin. The second pulverizing means 5a and the kneading means 5b, cooling and stirring means 5c, and forming means 5d.

  The second pulverizing means 5a is for finely pulverizing a part of the wood-based coarse powder particles to obtain the wood-based fine powder particles. Examples thereof include a pin mill and a stone mill for fine pulverization. The woody fine particles are desirably finely pulverized to a size of about 500 micrometers.

  The kneading means 5b is a means for obtaining a mixed material by homogeneously mixing the wood-based fine particles finely pulverized by the second pulverizing means 5a and a resin, such as a mixing mixer. This resin includes polypropylene resin, polyvinyl chloride resin, polyethylene resin, foamed vinyl chloride resin, polystyrene resin, ABS resin, etc., resin products used for food containers and packaging including beverages, and other Examples of the resin products include resin waste materials that are discharged when a building such as a house is dismantled, and resin waste materials that are discharged when a furniture is dismantled.

  The cooling and stirring means 5c stirs the mixed material obtained by the kneading means 5b until it is cooled to 80 ° C. to obtain pellets, and examples thereof include a cooling mixer. The cooling mixer includes a first stirring blade that rotates about a vertical axis and a second stirring blade that rotates about a horizontal axis, and the mixed material is stirred by the first stirring blade and the second stirring blade. It becomes a pellet.

  The molding means 5d is for melting the pellets obtained by the cooling and stirring means 5c and molding the pellets into a required shape, and examples thereof include an extrusion molding machine. The extrusion molding machine includes a hopper, a heating cylinder connected to the hopper, and a screw for extruding pellets from the heating cylinder to a molding die, and the pellets put into the hopper and melted in the heating cylinder Is extruded from a forming die by a screw and formed into a required shape.

  The power plant 6 generates the electric power to be supplied to the molding plant 5 using the remainder of the woody coarse particles coarsely pulverized by the first pulverizing means 3, and includes a gas generating means 6a and an electric power generating means. 6b.

  The gas generating means 6a heats and burns the remainder of the woody coarse particles coarsely pulverized by the first pulverizing means 3, and heat gasifies, for example, a hot gas generating furnace. This hot gas is connected to the power generation means 6b by a duct.

  The electric power generation means 6b generates electric power using the hot gas obtained by the gas generation means 6a. For example, a turbine that obtains rotational force by blowing hot gas or steam, and this rotational force as electric power. The combination with the generator to convert is mentioned.

Next, a method for manufacturing a wood-like molded product using the wood-like molded product manufacturing facility 1 configured as described above will be described.
First, in addition to the remaining forest land and construction waste, the woody material of several centimeters obtained from plant processing waste such as pruned branches, sawdust and mill ends, plant residue, etc. is sufficiently dried by the drying means 2 .

  Next, the dried wooden raw material is coarsely pulverized to a few millimeters by the first pulverizing means 3 to form a wooden coarse particle, a part of which is sent to the molding plant 5 and the remainder is sent to the power plant 6.

  Next, a part of the wood-based coarse particles is finely pulverized to about 500 μm by the second pulverizing means 5a to form a wood-based fine powder, and then the wood-based fine particles and the resin are mixed by the kneading means 5b. The mixture is heated and melted and stirred by the cooling and stirring means 5c until it is cooled to 80 ° C. to form pellets. In addition, a pigment, an additive, etc. may be mixed at the time of overheating melting in the kneading means 5b.

  The pellets formed by the cooling and agitating means 5c are once melted by the forming means 5d and then formed into a required shape, whereby a wood-like molded product is formed.

  Further, the remainder of the woody coarse particles is completely burned by the gas generating means 6a to generate hot gas. And this hot gas is sent into the electric power generation means 6b connected with the duct, and electric power is generated. This electric power is supplied to the second pulverizing means 5a, kneading means 5b, cooling and stirring means 5c, and forming means 5d of the molding plant 5. Moreover, you may supply to the drying means 2 or the 1st grinding | pulverization means 3. FIG.

  According to the first embodiment described above, the molding plant 5 that mixes and melts the wood-based fine particles obtained by finely pulverizing a part of the wood-based coarse particles and the resin to form a wood-like molded product, Since the power generation plant 6 that supplies power to the molding plant 5 is provided, a part or all of the power necessary for the molding plant 5 can be covered by the power generation plant 6. Therefore, since the consumption of commercial power is reduced, manufacturing costs can be suppressed. Moreover, since the power generation plant 6 generates electric power using the remainder of the wood-based coarse particles used for forming the wood-like molded product, a common raw material can be used in the molding plant 5 and the power generation plant 6. . Therefore, material cost can be suppressed. Furthermore, since the drying means 2 and the first pulverizing means 3 necessary for forming the wood-like molded product and generating electricity are integrated and shared, the installation area of the manufacturing facility 1 for the wood-like molded product can be reduced. .

(Second Embodiment)
Next, a second embodiment of the woody molded product manufacturing facility 11 according to the present invention will be described.
FIG. 2 is a block diagram showing a second embodiment of the production facility 11 for a wood-like molded product. This wood-like molded product manufacturing facility 11 includes a drying unit 12, a first pulverizing unit 13, a second pulverizing unit 15 a, a molding plant 15, and a power plant 16.

  The second pulverizing means 15a is for finely pulverizing a part of the wood-based coarse powder particles coarsely pulverized by the first pulverizing means 13 to obtain a wood-based fine powder particle. For example, by a pin attached to a disk , A pin mill, a mortar, etc., which pulverizes under the interaction of impact and repulsion. The woody fine particles are desirably finely pulverized to a size of about 500 micrometers.

  The molding plant 15 forms a wood-like molded product including a part of the wood-based fine particles finely pulverized by the second pulverizing means 15a and a resin. The kneading means 15b, the cooling and stirring means 15c, And molding means 15d.

  The power plant 16 supplies the molding plant 15 with the remainder of the woody coarse particles coarsely pulverized by the first pulverizing unit 13 and the woody fine particles finely pulverized by the second pulverizing unit 15a. Electric power is generated, and includes gas generating means 16a and electric power generating means 16b.

  The gas generating means 16a heats and burns the remainder of the woody coarse particles coarsely pulverized by the first pulverizing means 13, and by this heat, the molding plant out of the woody fine particles finely pulverized by the second pulverizing means 15a. The remainder which has not been sent to 15 is made into combustible gas. More specifically, the gas generating means 16a includes a hollow casing and a pipe that meanders and penetrates through the casing, and heat gas obtained by overheating and burning the remainder of the woody coarse particles in the casing. In addition to filling, the pipe in the casing is fed with water vapor in which some of the wood-based fine particles are suspended, and is combusted in the presence of a metal catalyst that activates hydrogen. As this gas generation means 16a, a hot gas generation furnace etc. are mentioned, for example. The combustible gas generated by the gas generating means 16a is sent to the power generating means 16b by a duct.

  The electric power generation means 16b generates electric power using the combustible gas obtained by the gas generation means 16a. For example, the reciprocating motion of the piston is obtained by exploding the combustible gas in the cylinder, and the electric power generation means 16b is rotated. Examples include a gas engine generator that converts power into power and then power.

  In addition, about the structure of the drying means 12, the 1st grinding | pulverization means 13, the kneading means 15b, the cooling stirring means 15c, and the shaping | molding means 15d, since it is the same as that of 1st Embodiment, those description is abbreviate | omitted.

Next, a method for manufacturing a wood-like molded product using the wood-like molded product manufacturing equipment 11 configured as described above will be described.
First, in addition to the remaining forest land and construction waste, the woody raw material of several centimeters obtained from plant processing waste such as pruned branches, sawdust and mill ends, plant residue, etc. is sufficiently dried by the drying means 12 .

  Next, the dried wood-based raw material is coarsely pulverized to a few millimeters by the first pulverizing means 13 to form a wood-based coarse powder particle, a part of which is sent to the second pulverizing means 15a, and the remainder is the gas generating means of the power plant 16. Send to 16a.

  Next, a part of the wood-based coarse particles are finely pulverized to about 500 μm by the second pulverizing means 15a to form a wood-based fine powder, and this part is transferred to the kneading means 15b of the molding plant 15. It is sent to the gasification reactor 16b of the power plant 16.

  Next, a part of the woody fine particles and the resin are heated and melted by the kneading means 15b and stirred until cooled to 80 ° C. by the cooling and stirring means 15c to form pellets. In addition, a pigment, an additive, etc. may be mixed at the time of overheating melting in the kneading means 15b.

  The pellets formed by the cooling and stirring means 15c are once melted by the forming means 15d and then formed into a required shape to form a wood-like molded product.

  Further, the remainder of the woody coarse particles are heated and burned to generate hot gas, the hot gas is filled in the casing of the gas generating means 16a, and the woody system is piped through the casing in a meandering manner. Steam that floats a part of the fine particles is fed to generate a combustible gas in the presence of a metal catalyst that activates hydrogen. And this combustible gas is sent into the electric power generation means 16b, and electric power is generated. This electric power is supplied to the kneading means 15b, the cooling and stirring means 15c, and the forming means 15d of the forming plant 15. Moreover, you may supply also to the drying means 12, the 1st grinding | pulverization means 13, and the 2nd grinding | pulverization means 15a.

  According to the second embodiment described above, the same effects as those of the first embodiment can be obtained, and the second crushing means 15a for obtaining a woody fine particle by pulverizing a part of the woody coarse particle can be obtained. The power generation plant 16 includes a gas generation means 16a that converts a part of the wood-based fine particles into combustible gas by heating the remainder of the wood-based coarse powder particles, and a power generation means 16b that uses the combustible gas as a drive source. It is equipped with. Therefore, it is possible to use the wood-based coarse particles having a large particle size as the heating means of the gas generating means 16a and to convert the wood-based fine particles having a small particle diameter into a combustible gas by the gas generating means 16a.

It is a block diagram which shows 1st Embodiment of the manufacturing equipment of the wood-like molded product which concerns on this invention. It is a block diagram which shows 2nd Embodiment of the manufacturing equipment of the wood-like molded product which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,11 Manufacturing equipment of wood-like molded article 2,12 Drying means 3,13 First grinding means 5,15 Molding plant 5a, 15a Second grinding means 5b, 15b Kneading means 5c, 15c Cooling and stirring means 5d, 15d Molding Means 6,16 Power plant 6a, 16a Gas generating means 6b, 16b Electric power generating means

Claims (3)

A wood-like molded product manufacturing facility that produces wood-like molded products comprising wood-based raw materials such as forest land and construction waste and resin,
A drying means for drying the woody material;
A first pulverizing means for roughly pulverizing the dried wood-based raw material to obtain a wood-based coarse particle;
A molding plant that mixes and melts the wood-based fine particles obtained by finely pulverizing a part of the wood-based coarse particles and molds the wood-like molded product;
A power plant for supplying power to the molding plant,
The said power generation plant generates electric power using the remainder of the said wood type coarse grain, The manufacturing facility of the wood-like molded product characterized by the above-mentioned. A second pulverizing means for finely pulverizing a part of the woody coarse particles to obtain woody fine particles;
The power plant is a gas generating means for converting a part of the wood based fine powder particles into a combustible gas by heating the remainder of the wood based coarse powder particles, and a power generating means using the combustible gas as a driving source, The equipment for producing a wood-like molded article according to claim 1. A method for producing a wood-like molded article using the wood-like molded article production facility according to claim 1 or 2,
Drying the woody material by the drying means;
Next, the dried wood-based raw material is crushed by the first pulverizing means into a wood-based coarse particle,
Next, electric power is supplied from the power generation plant that generates power using the remainder of the wooden coarse particles to the molding plant, and the wooden coarse particles are finely pulverized by the molding plant. A method for producing a wood-like molded article, comprising: mixing and melting the wood-based fine particles and the resin to form a wood-like molded article.

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