JP2004298839A - Automatic water supply method and apparatus for garbage treatment apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent pollution of a tap water pipe by back flow of garbage to the tap water pipe in the case a solenoid valve or check valve gets out out of order in a garbage treatment apparatus. <P>SOLUTION: In a garbage treatment method in which a garbage treatment part in which garbage loaded through a supply port is crushed by crushing teeth rotated by a driving force and discharged out through a discharge outlet is supported by a down face side of the bottom part of a kitchen sink, water supply needed at the time of operating the garbage treatment part is started by opening a solenoid valve installed in a water supply pipe interlockingly with a start switch of the garbage treatment part and the supplied water is once stored in a storage tank installed in a side of the garbage treatment part and then led downward to the garbage treatment part through a water supply port formed in the bottom part of the storage tank and after the operation of the garbage treatment part is stopped, the solenoid valve is closed with a predetermined time lag to stop the water supply to the garbage treatment part. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
According to the present invention, in a garbage disposal apparatus that crushes garbage generated in a kitchen and discharges the garbage from a drain of a sink to a separate garbage processing facility, a sewer pipe, or the like, the supply of water required for operation of the processing apparatus is automatically performed. To a method and an apparatus.
[0002]
[Prior art]
Conventionally, household kitchen waste treatment equipment is installed between the sink and the drainpipe of the kitchen sink, and in operation, a certain amount of waste is used to facilitate the crushing of the kitchen waste and to discharge the waste after grinding. Water supply is required. When operating the treatment equipment, open the water tap attached to the sink and manually supply the required amount of water when operating the treatment equipment, or connect the water supply pipe directly from the water supply to the crushing room of the treatment equipment. There is an automatic water supply system in which the electromagnetic valve is opened according to an operation signal of the processing apparatus to perform automatic water supply.
[0003]
[Problems to be solved by the invention]
In the manual water supply method, if only a smaller amount of water is supplied than the amount of water required for crushing and discharging (approximately 8 liters / minute), problems such as accumulation of crushed garbage in the discharge pipe may occur. In the automatic water supply method, the water pipe is opened directly into the crushing chamber of the treatment equipment to supply water.If a failure occurs in the solenoid valve or the backflow prevention valve, dust will flow back into the water pipe and the water pipe will be discharged. Risk of contamination.
[0004]
In general, in consideration of such a case, a tap space is required for a tap water supply port and a water surface receiving the tap water, and the above-described automatic water supply method is adopted according to this standard. I can't. Further, the fully automatic method has a drawback that since the water supply pipe is mounted horizontally in the crushing chamber, garbage crushed in the crushing chamber accumulates in a water supply port, and water cannot be supplied.
[0005]
[Means for Solving the Problems]
The present invention provides a novel method and apparatus for automatically supplying water to a dust treatment apparatus, which overcomes the above-mentioned drawbacks. In other words, in the garbage disposal method in which garbage introduced from the supply port is crushed by the crushing teeth rotated by power and discharged from the discharge port on the lower surface side of the bottom portion of the sink sink. The water supply required during operation of the refuse treatment unit was started by opening a solenoid valve provided in a water supply pipe in conjunction with a start switch of the refuse treatment unit, and the water supply was once provided on the side of the refuse treatment unit. After being stored in the storage tank, it is allowed to flow down from the water supply port provided at the bottom of the storage tank to the garbage processing section, and after the garbage processing section is stopped, the electromagnetic valve is closed with a certain time difference, and water is supplied to the garbage processing section. The present invention provides an automatic water supply method for a dust treatment apparatus, wherein the water supply is stopped.
[0006]
Further, in the present invention, a water supply storage tank is arranged on the side of the refuse treatment device, a water supply pipe from a water supply port is connected to the storage tank, and the other end of the second water supply pipe attached to the storage tank bottom is connected to the other end of the second water supply pipe. The present invention relates to a refuse treatment apparatus which is opened above a treatment section of a refuse treatment apparatus, an electromagnetic valve is provided in the middle of the water supply pipe, and a drive circuit of the electromagnetic valve is linked with a start switch of the refuse treatment section. . The second water supply pipe is inclined at a predetermined angle from a vertical line so that the water supply flows down to the refuse treatment unit. In addition, the storage tank is provided with an overflow pipe that opens upward, and the other end of the overflow pipe is opened in the discharge pipe of the dust processing unit, and the overflow of the waste water in the storage tank is processed. The flow down in the discharge pipe can be promoted.
[0007]
An electromagnetic valve for controlling water supply to the dust treatment unit is provided in the middle of a water supply pipe from the water supply port to the storage tank. In this case, an open storage tank is used, and the overflow pipe can be attached. As another embodiment of the present invention, an electromagnetic valve is provided in the middle of the second water supply from the storage tank to the refuse treatment unit. In this case, a closed tank is used as the storage tank. In this case, the water supply port of the water supply pipe is opened at the upper part of the storage tank, and the air space in the sealed tank is around the water supply port while being compressed. There is no danger of backflow into the water pipe and contaminating the water pipe.
[0008]
【The invention's effect】
Since the dust disposal method and apparatus of the present invention are configured as described above, a relatively simple storage tank is added to the conventional dust disposal mechanism, and only necessary pipe connection and electromagnetic valve drive line arrangement are performed. In this way, it is possible to perform safe and reliable garbage disposal without fear of backflow of garbage to the water pipe, and to overcome the drawbacks of the conventional water supply system directly connected to the water pipe to perform effective garbage disposal. Can be.
[0009]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
FIG. 1 shows an embodiment of a refuse treatment apparatus according to the present invention. A casing for charging garbage is erected below the sink of the kitchen sink, and a garbage disposal device 1 containing a fixed blade, a rotary blade, a hammer, and the like is fixed to a lower end of the casing. The rotary blade is connected to a driving device mounted on the lower side of the refuse treatment unit 2, that is, a rotary shaft extending from a motor, and rotates or reversely rotates.
[0010]
The storage tank 3 is provided in the vicinity of the side surface of the refuse processing unit 2, and the water sent from the water supply pipe 4 is temporarily stored in the storage tank, and then sent to the trash processing unit 2 through the second water supply pipe 5 provided on the bottom of the storage tank 3. Then, a predetermined amount of water (approximately 8 liters / minute) required for crushing the dust processing unit 2 is caused to flow down from the second water supply pipe 5 to the dust processing unit 2.
[0011]
The overflow pipe 6 opening upward into the storage tank 3 is opened substantially vertically downward from the tank connection position of the water supply pipe 4 in the tank 3 by a level H, and the overflow pipe 6 is connected to the tank 3. And a lower end of the connection pipe 7 is opened into the discharge pipe 8 of the refuse treatment section 2. The water supply pipe 4 is connected to a water pipe 9 via a T-shaped joint 10, a water stopcock 11, a solenoid valve 12, and the like.
[0012]
The water pipe 9 supplies necessary water to the sink by operating the water tap 13. Separately, automatic water supply to the storage tank 3 is performed by operating the solenoid valve 12 through the water supply pipe 4 branched from the water supply pipe 9. The solenoid valve 12 is electrically connected to a control panel 14 and a dust disposal operation stop switch 15 by a solenoid valve electric wiring 16. The switch 15 drives and controls the motor of the refuse treatment apparatus 1 attached to the bottom of the sink 18 by the refuse treatment electric wiring 17.
[0013]
The water supply to the storage tank 3 is controlled by the solenoid valve 12 as described below. FIG. 2 shows a flowchart of the automatic water supply operation to the refuse treatment unit according to the present invention. When the operation stop switch 15 of the refuse disposal device is turned on, the electromagnetic valve 12 is simultaneously opened and the water supply is started. By a delay circuit in the control panel, after a certain set time, that is, a few seconds after the start of water supply, an operation start command is issued to the dust processing unit 1 and rotation of the crushing blade in the dust processing unit is started. When the operation stop switch of the refuse disposal device is turned off after the crushing process has been performed for a predetermined time, the operation of the refuse disposal unit is stopped at the same time, but after a certain set time due to a delay circuit in the control panel. After a few seconds, the electromagnetic valve 12 is closed, and the water supply to the refuse treatment unit 3 is stopped.
[0014]
In the embodiment shown in FIG. 1, the electromagnetic valve 12 is provided in the middle of the water supply pipe 4, and the activation switch 15 of the dust disposal unit 2 activates the electromagnetic valve 12 at the same time. In FIG. 3, the other end of the second water supply pipe 5 attached to the bottom of the storage tank 3 is opened above the trash treatment unit 2, and the second water supply pipe 5 is inclined at a predetermined angle θ ° from a vertical line to supply water. The state which saw the refuse disposal apparatus made to flow down to the refuse disposal part 2 from the side is shown. The angle θ ° is preferably 25 to 35 °. In this way, by arranging the storage tank 3 and the second water supply pipe 5 with respect to the refuse processing unit 2, the backflow of refuse from the refuse processing unit 3 to the water supply pipe 4 and the clogging are prevented. .
[0015]
FIG. 3 also shows that the overflow pipe 6 opening upward inside the storage tank 3 is opened substantially vertically downward from the tank connection position of the water supply pipe 4 in the tank 3 by a level H. Is connected to the overflow connection pipe 7 outside the tank 3, and the lower end of the connection pipe 7 is opened in the discharge pipe 8 of the refuse treatment section 2. The overflow pipe 6 and the overflow connection pipe 7 promote the flow of the refuse treated in the refuse treatment unit 3 in the discharge pipe 8 by the water supply overflowing in the storage tank 3. Further, by providing a level difference H between the water supply pipe 4 and the overflow pipe 6 in the storage tank 3, the water in the storage tank 3 is prevented from flowing back to the water supply pipe 4 and being contaminated. This level difference H is 25 to 50 mm or more when the nominal diameter of the water supply pipe 4 is 25 mm or less, and for nominal diameters larger than 25 mm, the length obtained by adding 5 mm to 1.7 times the effective diameter is used as a guide. Just fine.
[0016]
FIG. 4 shows another embodiment of the present invention in which an electromagnetic valve 12 is provided in the middle of the second water supply pipe 5 from the storage tank 3 to the refuse treatment section 2. In this embodiment, a closed storage tank is used as the storage tank 3. In this embodiment, high-pressure water is supplied to the refuse treatment unit 2 via a tank and an electromagnetic valve. In this case, an air layer is maintained in the storage tank 3, and a discharge port space is always maintained between the water supply port and the outlet from the tank. FIG. 5 shows a side view of a conventional refuse treatment apparatus provided with a check valve 19 for comparison with the embodiments of the present invention.
[Brief description of the drawings]
FIG. 1 is a sketch showing an embodiment of a refuse disposal apparatus of the present invention.
FIG. 2 shows an automatic water supply operation flow of a refuse disposal method according to the present invention.
FIG. 3 shows a side view of a storage tank of the refuse treatment apparatus of FIG.
FIG. 4 is a side view showing another embodiment of the present invention.
FIG. 5 is a side view of a conventional refuse treatment apparatus.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 garbage disposal machine 2 garbage disposal unit 3 storage tank 4 water supply pipe 5 second water supply pipe 6 overflow pipe 7 connection pipe 8 discharge pipe 9 water pipe 10 T-type joint 11 water shutoff valve 12 solenoid valve 13 water tap 14 control panel 15 Dust disposal switch 16 Solenoid valve electric wiring 17 Dust disposal switch electric wiring 18 Sink sink 19 Check valve

Claims (5)

In the trash treatment method of supporting a trash treatment unit that crushes trash introduced from a supply port by crushing teeth rotated by power and flows out from a discharge port, on a lower surface side of a bottom portion of a sink sink. The water supply required at the time of operation is started by opening the solenoid valve provided on the water supply pipe in conjunction with the start switch of the garbage processing unit, and the water supply is temporarily stored in a storage tank provided on the side of the crushing processing unit. After that, it is made to flow down from the water supply port provided at the bottom of the storage tank to the garbage processing section, and after the garbage processing section is stopped, the electromagnetic valve is closed at a certain time interval to stop the water supply to the garbage processing section. Automatic water supply method for dust treatment equipment. A water supply storage tank is arranged on the side of the trash treatment device, a water supply pipe from a water supply port is connected to the storage tank, and the other end of the second water supply pipe attached to the bottom of the storage tank is treated by the trash treatment device. A refuse treatment apparatus, wherein the refuse treatment apparatus is opened upward, a solenoid valve is provided in the middle of the water supply pipe, and a drive circuit of the solenoid valve is interlocked with a start switch of the refuse treatment section. The refuse treatment apparatus according to claim 2, wherein the second water supply pipe is inclined at a predetermined angle from a vertical line so that the supply water flows down to the refuse treatment unit. The refuse treatment apparatus according to claim 2, wherein an overflow pipe that opens upward inside the storage tank is provided, and the other end of the overflow pipe opens into the discharge pipe of the trash treatment unit. The trash treatment device according to claim 2, wherein an electromagnetic valve is provided in the middle of the second water supply pipe from the storage tank to the trash treatment unit.

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