KR20110016760A - The pellet manufacture method and the manufacture equipment and that manufactured pellet goods - Google Patents

Abstract

PURPOSE: A manufacturing device and a method of a pellet using a waste filter paper of a waste air cleaner and a pellet molded product manufactured from the same are provided to manufacture a high quality of solid fuel by using a waste filter paper of a waste air cleaner. CONSTITUTION: A manufacturing method of a pellet using a waste filter paper of a waste air cleaner is as follows. The waste air cleaner is crushed and collected. The crushed waste air cleaner is milled. The milled material is selected in scrap metal, paper, and rubber. Moisture is supplied in room temperature by waster and steam. The selected paper is provided to an extruder to form a pellet.

Description

Pellet manufacturing method using waste filter paper of waste air cleaner and its manufacturing apparatus and pellet molded article manufactured therefrom {THE PELLET MANUFACTURE METHOD AND THE MANUFACTURE EQUIPMENT AND THAT MANUFACTURED PELLET GOODS}

The present invention relates to a method for producing pellets using the waste filter paper of the waste air cleaner, and a device and a pellet molded article produced therefrom, in particular, the waste filter paper present in the waste air cleaner, such as a filter used in automobiles, etc. It is to be recycled and pelletized so that the pelletized molding can be used as a high quality solid fuel with the same performance as WCF.

Conventionally, as a foaming material, for example, a paper component, a thermoplastic synthetic resin, a vegetable material, and water are kneaded while heating in the inside of the extruder, and a mixture of the paper component, the synthetic resin and the vegetable material is prescribed using vaporization of water in the inside of the extruder. Disclosed are a foamed material foamed at a magnification and a method of manufacturing the same.

The foamed material is a shredded product of old paper as a paper component, a powdered polypropylene homopolymer as a synthetic resin, and corn starch as a vegetable material. This foam contains crushed products and cornstarch from old paper, which is useful for the effective use of resources, and can reduce the burning calories during incineration of the foam compared to the case where the foam is made of only synthetic resin. .

However, in the foam of this kind, the specific gravity or volume of the shredded material, the powdered polypropylene homopolymer, and the corn starch are different so that they are not uniformly dispersed in the extruder during the production of the foamed material. And corn starch may be omnipresent.

If the crushed material and corn starch are unevenly distributed in a part of the foam material, there is a problem that the strength of the foam material in the part is significantly reduced.

In addition, in the production of foam of this kind, the crushed material concentrates on the screw of the extruder due to the dispersion of crushed material in the inside of the extruder, the crushed material is entangled in the screw, or the engagement of the screw with respect to the mixture becomes unstable. Due to this, pulsation occurs in the rotation of the screw, and the mixture may cause excessive foaming or poor foaming. In addition, in the production of this kind of foaming material, it is difficult to continuously manufacture the foaming material for a long time because the crushed material may concentrate on a part of the die due to the dispersion of the crushed material in the inside of the extruder, and the die may be clogged. There is.

Alternatively, pellets and plastic resins made of paper mill and starch are introduced into the extruder, and the pellets and plastic resins are mixed under heating in the extruder to form a hot melt, and the melt is formed by vaporization of water injected into the extruder. There is a foam production method for foaming at a predetermined magnification.

The pellet used in this manufacturing method is made by the following method.

The paper mill and starch were stirred for about 60 minutes with a ribbon mixer, then transferred to a kneader, kneaded for about 5 minutes with a kneader by adding water to form a mixture, and the mixture was assembled with a wet granulator. To make a plurality of pellets. The pellets are stored in a dryer, dried at 50 ° C. for 12 hours in a dryer, then mixed and dried for 8 hours. JP-A-2003-2997

In the pellet production method disclosed in the patent document, since the pellets are dried at 50 ° C. for 20 hours in a dryer, the pellets are dried almost completely, and part of the starch contained in the pellets is gelatinized, By hardening, a pellet may harden extremely.

When the starch is hardened and the hardened pellets are put into the extruder for producing foams, the pellets cannot be crushed by the screw of the extruder, the pellet penetrates the screw of the extruder, and the screw or cylinder is broken. Cause.

In addition, even when pellets in which luxury starch is hardened are heated by a heater of an extruder, the pellets cannot be melted, and thus the foam itself cannot be produced.

In particular, each of the above-mentioned patent documents and the like is mainly used a paper, for example, there is no method for producing a pellet using a waste filter paper, such as employed in the filter.

The present invention solves the problems posed by the prior art and the like, and is a high-quality solid fuel having the same properties as WCF solidified by collecting waste filters, especially waste filter papers, which are disposed of after being used for air cleaners used in automobiles and the like. It is an object of the present invention to provide a manufacturing method and apparatus for producing in pellets, to enable the useful recycling of industrial waste.

The present invention for achieving the above object,

Waste air cleaner crushing step of collecting and crushing the waste air cleaner,

A pulverizing step of pulverizing the waste air cleaner crushed by the waste air cleaner crushing step;

A sorting step of sorting the pulverized product pulverized by the crushing step with scrap metal, paper, rubbers, etc .;

A water supply step of supplying water by steam and water after storing the paper sorted by the sorting step in a separate storage tank;

An extruder supplying step of supplying papers supplied with moisture by the water supplying step to the extruder;

An extrusion step in which the gas and moisture are first discharged while being first heated in the extruder and dried in the extruder supply step;

The paper is subjected to the extrusion step is characterized in that the configuration consisting of a pellet molding step to be heated second in the molding die and secondary discharge of gas and moisture and molded into pellets.

According to the present invention, after the air cleaner is used in an automobile or the like, the waste filter paper, which is a paper, present in the waste filter that is disposed of at the end of its service life is collected and recycled, pelletized by an extruder, and then the pelletized molded product is of high quality. As it is used as a solid fuel, it can not only significantly reduce the industrial waste disposal cost used when landfilling or incineration, but also enables the conversion to solid fuel, which has an excellent effect on energy management efficiency. You can expect

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described.

The present invention collects the waste air cleaner to be discarded after being used in a vehicle or the like as shown in Figure 1, after the crushed waste air cleaner crushing step (S10), and then crushing the crushed waste air cleaner After passing through (S20), the pulverized product is sorted by scrap metal, paper, rubber, etc. (selection step-S30), and then the paper sorted by the sorting step (S30) is stored in a separate storage tank to the extruder side. After the extruder supply step (S50) for supplying the papers supplied with water to the extruder, the extrusion step (S60) so that the gas and moisture is first discharged while being first heated in the extruder in the extruder supply step (S50) and dried ) And the papers passed through the extrusion step (S60) are heated secondly in the molding mold and the pellets are subjected to a series of processes by the pellet forming step (S70), which is formed into pellets by allowing the gas and moisture to be discharged secondly. A is formed.

The waste air cleaner crushing step (S10) is a step of administering the collected waste air cleaner to a rough crusher (not shown) to crush the metal material, rubber material, filter paper, etc. together with a known crusher, and the crushing step (S20). Means a step for pulverizing the waste air cleaner crushed to a large size or less.

On the other hand, such a shredding and grinding step can be carried out at one time by one shredder.

For example, by using a shredder provided with a pair of cutter gears having different gear blades and heights, the compacted material having a small and uniform size can be obtained by one shredding operation.

As described above, the shredder having a small size and uniform size by one shredding operation may be implemented by employing the utility model registration No. 271440, "Vehicle Air Cleaner Shredder for Recycling", which is registered with the Korean Intellectual Property Office.

The sorting step (S30) is a step of sorting scrap metal and rubber and paper, that is, waste filter paper contained in the crushed material obtained by a predetermined size or less through the above-described shredding and grinding steps (S10, S20), along the conveyor belt Scrap metals are separated and separated by using a magnetic electromagnet into the crushed material transported to the sorting machine (not shown), and the waste filter paper scattered by blowing high-pressure air into the sorting machine is transferred to a separate conveyor side through a suction cup and stored. In order to be stored in a tank, the waste filter paper is finally sorted and the remaining rubbers are transferred to another process for separate processing.

In the present invention, the pellets that can be commercialized as a solid fuel are formed by using papers that are sorted through the sorting step (S30) as described above, that is, waste filter papers that are already shredded and have a predetermined size or less.

Meanwhile, the waste filter paper stored in a separate storage tank through the sorting step (S30) as described above is transferred to the extruder 100 through a conveyor, as shown in FIGS. 2 to 3 and 8. ) One side is to administer the waste filter paper is provided with a hopper 110 having a supply screw 111 therein, the extruder 100 is provided with a screw 120 that is rotated by a drive means, the screw (120) On the end side, there is provided a forming die 130 for solidifying the pulverized filter paper and forming it into pellets.

The extruder 100 is provided with a discharge hole 112 for discharging water and gas generated from the waste filter paper transported by the screw 120 to the outer peripheral surface of the other end, and formed on the other end of the extruder 100. The frame 130 is coupled.

Here, the feed screw 111 is formed inside the hopper 110 as shown in the drawing, the crushed filter paper is supplied from a storage tank (not shown), but the steam by the water spray method into the hopper 110 Moisture was supplied by.

The moisture supplied as described above preferably has a temperature of room temperature.

The filter paper, which is treated by moisture supplied in this way, is introduced into the extruder 100 by the supply screw 111, and is gradually transported according to the driving of the screw 120 provided therein along the length of the extruder 100. Be sure to

The internal temperature at the screw 120 is preferably maintained at 85-95 ° C., so that forced indentation of the waste filter paper transported in a wet state is changed while grinding like a millstone.

On the other hand, the waste filter paper passing through the screw 120 reaches the end side of the water and waste filter paper contained in the waste filter paper through the discharge hole 112 provided on the outer peripheral surface of the extruder 100 is 85 ~ 95 The gas generated while being squeezed by the temperature was allowed to be discharged.

As such, if the water and gas are not discharged, bubbles or pores may be generated in the molded pellet molded product, and thus, product reliability may not be obtained. Therefore, the water and gas contained in the waste filter paper should be discharged.

Waste filter paper supplied to the hopper 110 through the structure of the extruder 100 as described above is subjected to an extrusion step (S50) that is gradually compressed in accordance with the gradual transfer of the screw 120 and leads to a semi-finished product having a high density.

The semi-finished product passed through the extrusion step (S50) is subjected to a pellet molding step (S60) is discharged to the finished pellet molded product through the molding die 130 is coupled to the tip side of the extruder (100).

For the pellet molding step (S60), the molding die 130 as shown in Figure 8 is mounted on the other end of the extruder 100, that is, the side opposite to the hopper 110 as described above, Waste filter paper is passed through the mold 130 is formed into a solid pellet.

The forming mold 130 forms a body portion 132 through which a plurality of molding holes 131 are drilled therein, and forms first and second flanges 133 and 134 on both ends of the body portion 132, respectively. The first flange 133 is forcibly press-fitted to the other end side of the extruder 100, and the second flange 134 is connected to a known tray part side, which is not shown.

In addition, the plurality of through holes 135 penetrating to the outer circumferential surface of the body portion 132, the waste filter paper passing through the extruder 100 passes through the body portion 132 of the forming mold 130 and is formed into pellets When the gas and water generated from this can be discharged secondary.

The through hole 135 is in a state orthogonal to the molding hole 131.

It is preferable to have an inclined surface 131a having an inclination angle of 1 ° on the first side of the forming hole 131, that is, the end side entering the forming hole 131 from the first flange 133, which is a screw 120. This is to facilitate entry into the forming hole 131 while grinding waste filter paper as if grinding a grindstone by friction between the end side of the first flange and the surface of the first flange 133.

To this end, as shown in FIG. 4 or FIG. 7, the end side of the screw 120, that is, the end of the screw 120 which comes into contact with the forming die 130 may protrude in a flat shape and may rub against the surface of the first flange 133. The friction protrusion 121 is to be formed.

Therefore, the waste filter paper supplied through the screw 120 causes friction with the surface layer of the first flange 133 by the friction protrusion 121 at the end side of the screw 120 and forcibly forms the waste filter paper. Forcibly press-compressed and supplied along the inclined surface 131a to the side to undergo a process of solidification.

On the other hand, by forming a blade form between the forming hole 131 and the forming hole 131, forming along the inclined surface (131a) while grinding the waste filter paper by the line contact during the friction between the friction protrusion 121 described above. Waste filter was forced to the ball (131) side.

In addition, by connecting a heater (not shown) to the mold 130 to maintain the temperature of the mold 130 to 105 ~ 125 ℃, such temperature conditions melt the phenolic resin coating present in the waste filter paper To form a coating.

In addition, when the holding temperature of the mold 130 is lowered to 105 ° C. or lower, there is a problem that the molded product to be pelletized is cured and clogged, and the pellet to be molded is burned at a temperature of 125 ° C. or higher. Molding of pellets should take place within.

The content of the analysis of the pellets thus obtained was compared with other conventional solid fuel products as shown in Table 1 below.

Table 1 Comparison table of solid fuel product quality

Quality standards Household waste
Solid Fuel Products
(RDF) Waste plastic
Solid Fuel Products
(RPF) Waste tire
Solid Fuel Products
(TDF) Waste wood
Solid Fuel Products
(WCF) abolition
Solid Fuel Products
(Invention) Low calorific value More than 3,500kcal / kg 6,000kcal / kg or more More than 3,500kcal / kg 3,963 kcal / kg moisture 10.0% wt. Below 3.3% wt. Ashes (case basis) 20.0% wt. Below 4.0% wt. Below 8.0% wt. Below 3.83% wt. Chlorine (dry basis) 2.0% wt. Below 0.3% wt. Below 0.01% wt. Sulfur (dry basis) 0.6% wt. Below 2.0% wt. Below 1.2% wt. Below 0.01% wt. Metal
(Case standard) Mercury 1.2mg / kg or less 1.0mg / kg or less 0.04mg / kg cadmium 9.0mg / kg or less 2.0mg / kg or less Not detected lead 200.0mg / kg or less 30.0mg / kg or less 5.0mg / kg arsenic 13.0mg / kg or less 2.0mg / kg or less Not detected chrome - 30.0mg / kg or less 5.60mg / kg Chromium (except WCF), antimony, cobalt, copper, manganese, nickel, thallium, vanadium: results of concentration measurement

As shown in the table above, the solid fuel products of the pellets according to the present invention are described as "waste solid fuel products", and the municipal waste solid fuel products (RDF), waste plastic solid fuel products (RPF), and waste tire solid fuel products ( TDF), waste wood solid fuel products (WCF), etc. Among these, high quality solid fuel products have a disadvantage of being waste wood solid fuel products (WCF) or expensive.

The present invention belongs to a family similar to the nature of the waste wood solid fuel product (WCF), and the relatively cheap and high-quality solid fuel product using the waste filter paper of the waste air cleaner through this series of steps and the extruder 100 It is possible to obtain a pellet for use as a solid fuel of good quality having the same properties as the WCF.

The present invention is not limited to the interpretation of the phrase by the detailed description of the invention and the claims, as well as changes that can be easily substituted or replaced by those skilled in the art from the configuration and method of the present invention fall within the scope of the technical idea of the present invention. It will be self explanatory.

1 is a block diagram showing a process diagram of the present invention

Figure 2 is a perspective view of the extruder in the present invention

3 is a view schematically showing the front cross-section of FIG.

FIG. 4 is an enlarged view of a portion “A” showing a forming mold coupled to the end side of the extruder in FIG.

FIG. 5 is a perspective view showing the molding die in FIG. 4 in an isometric view. FIG.

FIG. 6 is a rear perspective view showing the molding die of FIG. 5 at an angle viewed from the rear side; FIG.

Figure 7 is a perspective view showing a screw applied to the present invention

8 is a cross-sectional view schematically showing that the waste filter paper, which is a crushed and pulverized paper from the waste air cleaner to the hopper side of the extruder according to the present invention, is extruded through an extruder, and is formed into pellets through a molding frame of a front end portion.

※ Brief description of the main symbols in the drawings

S10; Waste air cleaner crushing stage

S20; Grinding stage

S30; Screening stage

S40; Extruder Feed Step

S50; Extrusion step

S60; Pellet Molding Step

100; Extruder 110; Hopper

111; Feed screw 112; Vent hole

120; Screw 121; Friction protrusion

130; Molding die 131; Molding

131a; Inclined surface 132; Body

133; First flange 134; 2nd flange

135; Through hole

Claims (9)

Waste air cleaner crushing step of collecting and crushing the waste air cleaner (S10), A pulverizing step (S20) of pulverizing the waste air cleaner crushed by the waste air cleaner crushing step (S10), A sorting step (S30) of sorting the pulverized product by the grinding step (S20) with scrap metal, paper, rubbers, and the like; After storing the paper sorted by the sorting step (S30) in a separate storage tank, the extruder supply step (S40) for supplying the selected papers to the extruder and at the same time supplying moisture by water and steam at room temperature, The extruder supply step (S50) and the first step is heated in the extruder in the extruder supply step (S40) and the gas and moisture is first discharged while being dried, Paper waste that passed through the extrusion step (S50) is heated secondly in the mold and the waste gas of the waste air cleaner, characterized in that consisting of a pellet molding step (S60) to be formed into pellets to discharge gas and moisture secondly Pellet production method using filter paper. The method of claim 1, In the extrusion step (S50), the first heating temperature is to maintain the extruder cylinder temperature at 85 ~ 95 ℃ and the papers are heated, the first heated papers are passed through the extruder and the gas and moisture through the end peripheral discharge hole Pellet production method using waste filter paper of the waste air cleaner comprising the discharge. The method of claim 1, In the pellet forming step (S60), the temperature of the inside of the molding die provided on the end side of the extruder is 110 ~ 125 ℃ and the papers supplied in the extruded state by the extrusion step (S50) is present in the second heating Method for producing a pellet using the waste filter paper of the waste air cleaner comprising the secondary discharge of the gas and moisture to the outer peripheral side of the mold. After crushing and pulverizing the waste air cleaner through the process of sorting into metals, rubbers and papers, the hopper 110 for supplying the papers is formed at one end with the supply screw 111 therein, the hopper Including an extruder 100 connected with 110, The extruder 100 is provided with a screw 120 rotated by a driving means therein, the water and gas generated from the waste filter paper transported by the screw 120 to the outer peripheral surface of the other end of the extruder 100 is discharged Equipped with a discharge hole 112, The screw 120, the end side is provided with a molding die 130 for solidifying the pulverized waste filter to form a pellet, the molding die 130 is a plurality of molding holes 131 therein perforated First and second flanges 133 and 134 are formed at both ends of the body portion 132 to be formed, respectively, but the first flange 133 is press-fitted and fastened to the other end of the extruder 100, and the second flange 134 is A pellet manufacturing apparatus using the waste filter paper of the waste air cleaner, characterized in that the configuration to be connected to the tray side. The method of claim 4, wherein A plurality of through holes 135 are formed to penetrate the outer circumferential surface of the body portion 132, and the first side of the first hole 131, which is the first entry of the forming hole 131, toward the forming hole 131 side 1 A pellet manufacturing apparatus using waste filter paper of a waste air cleaner comprising forming an inclined surface (131a) having an inclination angle of ˚. The method of claim 4, wherein Producing pellets using the waste filter paper of the waste air cleaner, which includes forming a friction protrusion 121 to protrude in an equilibrium at the end of the screw 120 and surface friction with the first flange 133 of the molding die 130. Device. The method of claim 4, wherein The temperature of the screw 120 in the extruder 100 is maintained at 85 ~ 95 ℃, pellets using the waste filter paper of the waste air cleaner, including maintaining the temperature of the molding die 130 105 ~ 125 ℃ Manufacturing equipment. A pellet molded article prepared by the method of any one of claims 1 to 3. A pellet molded product, which is produced by a pellet manufacturing apparatus of any one of claims 4 to 7.

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