KR100721761B1 - Washer for recycling plastics - Google Patents

Abstract

The present invention is to supply high-pressure air to the wash water to make the wash water turbulent state to increase the washing effect by repeatedly hitting the guide rod located on the upper portion of the plastic injured in the wash water, the sludge of the chemical used during the cleaning The present invention relates to a recycled plastic washing apparatus which can reduce the treatment cost by filtering the filter in a filter and removing the filtered water.

Washing container for storing the washing water and shredded plastic to wash the plastic, supplying high pressure air to the washing water to make the washing water turbulent, and the air supply means for washing the plastic and discharging the washed plastic to the outside Plastic discharge means, sludge discharge means for discharging sludge generated during plastic cleaning to the outside of the washing tank, filter for filtering chemical sludge used for washing, sludge and washing water discharged to the outside together with them in the process of chemical cleaner It includes a supplementary water supply means for supplying to the washing tub by pumping.

Recycled plastic, washing, blower, filter, countertop

Description

Recycled Plastic Washing Machine {Washer for recycling plastics}

1 is a front conceptual view showing the overall structure of the present invention

2 is a plan view of the washing tub according to the present invention

Figure 3 is an enlarged view of the plastic discharge means according to the invention

Figure 4 is an enlarged view of the sludge discharge means according to the present invention

Explanation of symbols on the main parts of the drawings

1: washing device 2: washing container

3: air supply means 4: plastic discharge means

5: sludge discharge means 6: filter

7: supplementary water supply means

The present invention relates to a washing apparatus for washing shredded plastic to regenerate plastics, and in particular, by supplying high-pressure air to the washing water to make the washing water rise in the turbulent state, a guide in which the plastic injured in the washing water is located at the upper part of the washing process. Improving the cleaning effect by repeatedly hitting the rod, and by removing the sludge of the chemical cleaner used in the cleaning by the filter, and at this time it is reduced by reducing the treatment cost by re-supplying the purified water back into the washing tub The present invention relates to a recycled plastic washing apparatus.

Waste plastics do not decay well over long periods of time, so reuse can reduce environmental pollution along with recycling of resources. Therefore, most of the waste plastics discarded are collected and recycled.

The plastic collected for recycling is finely crushed, cleaned and then regenerated. The conventional cleaning process is to put the crushed plastic into a stirrer filled with washing water and drive the stirrer to stir the plastic for a long time. .

By the way, such a conventional washing method was not able to clean the plastic because the stirrer simply rotates the plastic in the forward and reverse directions, the sludge generated by the washing is accumulated in the container as it is, and the washing water must be frequently replaced. Frequent exchanges have resulted in increased man-hours and thus increased disposal costs.

Accordingly, the present invention is to solve the various problems of the conventional recycled plastic washing apparatus as described above, the object is to supply the high-pressure air to the washing water to make the washing water rising turbulent state in the plastic washing process in the washing water The present invention provides a regenerated plastic cleaning device that can increase the cleaning effect by repeatedly hitting the guide rod located at the top thereof.

Another object of the present invention is to remove the sludge of the chemical cleaning agent used in the cleaning of the filter by filtering the filter, at this time recycled plastic that can reduce the treatment cost by repeatedly supplying the purified water discharged together to the washing tub In providing a cleaning device.

The recycled plastic washing apparatus has an inlet and an outlet formed in the body to supply / discharge crushed plastic, and guide rods are arranged at regular intervals so that the plastic supplied to the upper and inner walls of the inlet and outlet can collide during cleaning. A washing tub having a drain hole for discharging the washing water in the lower portion;

The main pipe connected to the blower is provided with a plurality of branch pipes for supplying air to the washing water, the high pressure air discharged from the branch pipe is supplied to the water so that the injured plastic repeatedly hits the guide rod and is cleaned Way;

The screw is mounted on the shaft rotatably installed therein, the plastic discharge means for discharging the plastic concentrated at the outlet to the outside of the washing tank after the screw is rotated and washed by the drive of the motor;

Sludge discharge means is connected to the drain pipe of the washing tank, the pump is installed on the discharge pipe for forcibly pumping the sludge accumulated in the lower portion of the washing tank discharged;

A filter which is detachably installed at each drain pipe of the branch pipe connected to the discharge pipe and filters the chemical cleaner and the sludge when the washing water is filtered after the plastic washing;

It is characterized in that it comprises a; supplementary water supply means for pumping the washing water discharged to the outside of the washing tub with a pump when the sludge and the chemical cleaning agent treatment.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the recycled plastic washing apparatus according to the present invention.

1 is a front conceptual view showing the overall structure of the present invention, Figure 2 is a plan view of the washing tub according to the invention, Figure 3 is an enlarged view of the plastic discharge means according to the invention, Figure 4 is a sludge according to the invention An enlarged view of the discharge means.

As shown in the drawings, the recycled plastic washing apparatus 1 according to the present invention is largely provided with a washing tub 2 for storing the washing water and shredded plastic so as to wash the plastic and supplying high-pressure air to the washing water to wash the washing water. Air supply means (3) for washing plastic by raising the turbulent flow state, plastic discharge means (4) for discharging the washed plastic to the outside of the washing tub (2), sludge generated during plastic washing to the outside of the washing vessel (2) Sludge discharge means (5) for discharging, the filter (6) for filtering the powder cleaning agent used for washing, the sludge and the washing water discharged to the outside of the washing container (2) together with the chemical cleaning agent by pumping the washing tank ( And supplementary water supply means (7) for supplying to 2).

As shown in the drawing, the washing tub 2 has a top-shaped body and has an accommodating space 2a formed therein to accommodate washing water and plastic. The washing container (2) is formed in the mouth, outlet (2b) (2c) to supply / discharge the shredded plastic on both sides of the upper, the inlet (2b) is to the body so that the shredded plastic is sufficiently introduced It is formed to protrude. Guide rods 2d are disposed at regular intervals on the upper inner walls of the inlets and outlets 2b and 2c so that the supplied plastic can be bumped by the washing water of the rising turbulence during the washing process. The distance between the guide rods 2d may be selectively determined according to the size of the plastic so that the plastic does not fall out. The washing container 2 is formed with a drain hole (2e) for discharging the washing water or sludge in the lower portion.

The inlet 2b of the washing tub 2 is preferably provided with a magnet 2f to attach and remove the metal that is mixed and supplied to the plastic when the plastic is supplied.

 The washing container 2 is preferably made of a material having corrosion resistance in consideration of the use of water, preferably a stainless material.

The air supply means (3) is for supplying high-pressure air to the washing container (2) to wash the plastic supplied by the rising turbulence of the wash water.

The air supply means 3 is a blower (3a) for supplying air to the washing tub (2) is installed at a predetermined position outside the washing tub (2), connected to the blower (3a) and the outside of the washing tub (2) The main pipe (3b) is installed in the peripheral edge, the main pipe (3b) is installed in communication with a plurality of branch pipes (3c) for supplying high-pressure air to the wash water.

The end of the main pipe 3b is closed to allow air to be discharged through the branch pipe 3c.

The branch pipe (3c) is disposed toward the outlet (2c) of the washing tub 2, the end is preferably bent upward. Thus, when the end of the branch pipe (3c) is disposed in the upward direction, the high-pressure air discharged thereby causes the rising water turbulence wash water, the injured plastic is washed while hitting the guide rod (2d). Therefore, the plastic is immersed in the wash water and repeatedly hits the guide rod 2d and gradually moves to the outlet 2c to be discharged by the plastic discharge means 4.

The branch pipe 3c is shown in five places in the drawing of FIG. 2, but may be further added or subtracted as necessary. In particular, the branch pipe 3c may be provided so that the plastic can move smoothly to the outlet 2c. It is good to be arranged in the direction.

The plastic discharge means (4) is to discharge the plastic to be moved to the outlet after being washed out of the washing tub (2).

The plastic discharge means 4 has a spiral screw 4c mounted on a shaft 4b rotatably installed in the tunnel body 4a, and the shaft 4b and the drive by the motor 4d. After the screw 4c is rotated and washed, the plastic concentrated at the outlet 2c is forcibly moved into the body 4a to be discharged to the outside of the washing container 2.

The body 4a of the plastic discharge means 4 is formed with an inlet 4a-1 at the top and an outlet 4a-2 at the lower end to discharge the plastic.

The sludge discharge means (5) is to discharge the sludge accumulated in the washing tub (2) by washing the plastic to the outside of the washing tub (2), the discharge pipe (5a) is connected to the drain hole (2e) of the washing tub (2) A pump 5b for forcibly feeding the sludge is provided on the discharge pipe 5a, and a sludge tank 5c for storing the sludge discharged from the discharge pipe 5a is provided below the discharge pipe 5a.

The bottom of the sludge tank (5c) is preferably formed with a fine drain (not shown) so that the washing water discharged with the sludge is discharged. Therefore, the washing water flowing out through the drain is put in a storage container (7c) to be described later and pumped to the pump (7h) to be moved to the replenishment water tank (7e) to be recycled.

On the other hand, the sludge discharge means 5 is at least one supply pipe (5d) to the main pipe (3b) of the air supply means (3) to facilitate the discharge by spreading the sludge accumulated in the lower portion of the washing container (2) Is connected and the end thereof is disposed to face the lower part of the washing container (2).

As shown in FIG. 1, the supply pipe 5d steps two supply pipes 5d-1 and 5d-2 having different lengths, that is, the second supply pipe 5d below the end of the first supply pipe 5d-1. -2) the end is arranged to be located. The supply pipe 5d installed as described above drives the blower 3a of the air supply means 3 when sludge accumulates and accumulates in the lower part of the washing container 2 to supply the first and second supply pipes 5d-1 and 5d-2. At the end of the high pressure air is injected to diffuse the stacked sludge. Therefore, the diffused sludge is discharged by the power of the pump 5b and is fed to the sludge tank 5c.

In addition, the sludge discharge means (5) as shown in Figure 1 to discharge the sludge using the supply pipe (5d) to further supply the air from the lower side of the washing tank (2) to facilitate the diffusion of the sludge An auxiliary supply pipe 5d-3 is further installed between the discharge pipe 5a and the main pipe 3b connected to the washing container 2.

When using the auxiliary supply pipe 5d-3, first, the valve 5a-1 of the discharge pipe 5a and the branch pipe (to be described later) so that the air supplied from the main pipe 3b can be supplied into the washing tank 2. Each of the valves 6a-1 of 6a is closed to diffuse the sludge, and then the valve 5a-1 of the discharge pipe 5a or the valve 6a-1 of the branch pipe 6a is selectively opened. Discharge it.

The filter 6 filters the chemical cleaner used to wash the plastic. The filter 6 is detachably installed in each drain pipe 6b of the branch pipe 6a connected to the discharge pipe 5a, and passes through the washing water after washing the plastic to filter the chemical cleaner and the sludge.

As described above, when the chemical cleaning agent is filtered, the main pipe is closed by first closing the valve 5a-1 of the discharge pipe 5a and the valve 6a-1 of the branch pipe 6a. The air supplied from (3b) is supplied to the washing tank (2) to diffuse the chemical cleaner and sludge accumulated in the washing tank (2) and then leave the valve (5a-1) of the discharge pipe (5a) as the branch pipe ( Only the valve 6a-1 of 6a is opened to allow the chemical cleaner and sludge to pass through the filter 6 through the branch pipe 6a. Thereafter, the filter 6 containing the chemical cleaner and the sludge is separated to remove the chemical cleaner and the sludge, and then the filter 6 is mounted. Since the filter 6 is detachably installed in the drain pipe 6b, the filter 6 is replaced with a new one when its performance is degraded or damaged after a long time of use.

The filter 6 may select a mesh capable of filtering the chemical cleaner, and since the filter 6 is a well-known technique, a detailed description thereof will be omitted.

The replenishing water supply means 7 replenishes the washing water in the washing container 2 when the washing water is evaporated or discharged to the outside of the washing container 2 together with the sludge and the chemical cleaning agent.

This replenishment water supply means 7 includes a water tank (7a) for collecting the purified water from the filter (6); A storage container 7c connected to the water tank 7a and the pipe 7b to store water supplied from the water tank 7a; A replenishment water tank 7e connected to the storage container 7c and a pipe 7d to store purified water and replenishment water in the filter 6; A pump (7h) for pumping water stored in the storage container into the replenishment water tank; Sensors 7f-1 and 7f-2 installed above and below the inner wall of the washing tub 2 to detect high and low water levels of the washing water; It is installed on the pipe connected to the refill water tank (7e) and the inlet (2b) of the washing tub (2b), when the low water level sensor (7f-2) of the washing tub (2) detects the water level according to the control of the controller It is driven to pump and replenish the water stored in the replenishment water tank (7e) to the washing tank (2), the pump (7g) is determined to drive when the high level sensor of the washing tank (2) detects the water level.

The storage container 7c may be buried underground so that the purified water of the water tank 7a may be naturally supplied without using power, and the sludge may store water discharged from the drain port of the sludge tank 5c. It is preferable to have a flow path between the tanks 5c.

The supplementary water supply means 7 configured as described above compensates the washing water discharged with them when treating the natural evaporation of the washing water, the sludge and the chemical cleaner, and the washing water is reduced to detect the low water level sensor 7f-2. When the pump (7g) is driven to supply the water in the replenishment water tank (7e) to the washing tank (2) to stop the drive of the pump (7g) when the high water level sensor (7f-1) detects the water level. The driving of the pump 7g is possible by the controller, and since the controller is generally a technology, detailed description thereof will be omitted.

Regenerated plastic washing apparatus of the present invention is configured as described above is to supply high-pressure air to the wash water is moved to the exit direction in the turbulent wash water, so that the plastic to be washed repeatedly hits the guide rod to clean the plastic Has an advantage.

In addition, the chemical cleaner and sludge used for washing can be easily removed by filtering the filter, and the treatment cost can be reduced by repeatedly supplying the water discharged during the treatment of the sludge and the chemical cleaner to the washing container. have.

Claims (6)

Inlet and outlet are formed in the body to supply / discharge the crushed plastic, the guide rods are arranged at regular intervals so that the plastic supplied to the upper inner wall of the inlet, outlet is hit at regular intervals, discharge the washing water at the bottom Wash tub having a drain for to; The main pipe connected to the blower is provided with a plurality of branch pipes for supplying air to the washing water, the high pressure air discharged from the branch pipe is supplied to the water so that the injured plastic repeatedly hits the guide rod and is cleaned Way; A screw is mounted on the shaft rotatably installed therein, The plastic discharge means for discharging the plastic concentrated at the outlet to the outside after the screw is rotated and washed by the drive of the motor; Sludge discharge means is connected to the drain pipe of the washing tank, the pump is installed on the discharge pipe for forcibly pumping the sludge accumulated in the lower portion of the washing tank discharged; A filter which is detachably installed at each drain pipe of the branch pipe connected to the discharge pipe and filters the chemical cleaner and the sludge when the washing water is filtered after the plastic washing; Replenishing water cleaning device comprising a; and the supplementary water supply means for supplying the washing water pumped to the washing container discharged to the outside of the washing container with the sludge and the chemical cleaning agent. The regeneration plastic washing apparatus as set forth in claim 1, wherein a magnet is provided at the inlet of the washing tub so as to remove and attach the metal mixed with the plastic. The recycled plastic washing apparatus according to claim 1, wherein the branch pipe is disposed toward an outlet of the washing tub. According to claim 1, The sludge discharge means is connected to the at least one supply pipe to the main pipe of the air supply means to facilitate the discharge of the sludge accumulated in the lower portion of the washing tub and the end portion of the sludge toward the washing tub Recycled plastic washing apparatus, characterized in that arranged to. According to claim 1, wherein the replenishment water supply means is a water tank for collecting the purified water from the filter; A storage container connected to the water tank and pipes to store water supplied from the water tank; A replenishment tank connected to the storage container and a pipe to store water and supplemental water of the storage container; A pump for pumping water stored in the storage container into the make-up water tank; A sensor installed above and below the inner wall of the washing tub to sense a high water level and a low water level of the washing water; It is installed on the pipe connected to the inlet of the make-up water tank and the washing tank, when the low water level sensor of the washing tank detects the water level is driven under the control of the controller to pump and replenish the water stored in the supplemental water tank to the washing tank, Regeneration plastic washing apparatus comprising a; pump is determined to drive when the high water level sensor of the washing vessel detects the water level. According to claim 4, The sludge discharge means is provided between the discharge pipe and the main pipe connected to the washing tank to supply the air from the lower side of the washing tank to facilitate the diffusion of the sludge when discharging the sludge using the supply pipe Recycled plastic washing apparatus, characterized in that the supply pipe is further installed.

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