JP2007132078A - Drain system for garbage disposal facility - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate a relay tank to a drainage treatment device, and to simplify a facility, in a drain system of a garbage disposal equipment in a large meal providing facility in which a cooking place and a dining room are separated from each other. <P>SOLUTION: A pre-disposal sink 1 in the cooking place is provided with a disposer 11 and a pump 12 for conveying garbage crushed by the disposer to the drainage treatment device, and a meal clear-up sink 2 of the dining room is provided with a disposer 21 and a pump 22. The cooking place is set in a conveyable range from the drainage treatment device 3 by the pump 12, and therefore the drainage containing the crushed garbage is conveyed by the pump 12. On the other hand, the dining room is set in a place that is out of a conveyable range from the drainage treatment device 3 by the pump 22, and therefore a drain pipe 6 of the pump 22 is connected via a valve 7 to an intermediate point between a valve 5 arranged on one side of the pump 12 close to an intake port, and the intake port, whereby the drainage is conveyed by the pumps 22, 12. The valves 5, 7 can be reversely controlled depending on the use state of the pre-disposal sink 1 and the meal clear-up sink 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a drainage system for waste disposal in relatively large facilities such as a lunch center having a kitchen and a cafeteria, a hospital, and a facility cafeteria.

In a dredging facility equipped with a plurality of disposers at the same place, as shown in Patent Document 1, for example, the crushed dredger discharged from each disposer is put together with water into a hopper and conveyed to a wastewater treatment device by a pump. is doing. However, in a relatively large lunch facility such as a lunch center or hospital where the kitchen and the cafeteria are in separate locations, as shown in FIG. 2, a sink that processes the residue of food material cooked at the kitchen ( The sink (lower processing sink) 1 and the sink (lower kitchen sink) 2 for processing the leftover food generated in the cafeteria away from the kitchen are provided with disposers 11 and 21, respectively, and are crushed by the pumps 12 and 22 attached to each disposer. The culm is sent to the wastewater treatment device 3 such as a septic tank or an individual liquid separation device installed outdoors through the drainage pipes 4 and 6.
JP 2000-282535 A

However, if one of the kitchen and the dining room is away from the waste water treatment device 3, the pumps 12 and 22 provided in the sinks 1 and 2 cannot be installed with a large capacity pump due to the installation location, and are about 100 m. Therefore, usually, the waste water treatment device 3 is installed outdoors within 100 m relatively close to the sink 1 of the cooking place and discharged from the disposer 11 of the lower treatment sink 1 close to the waste water treatment device 3. The pulverized rice cake is conveyed together with water to the wastewater treatment device 3 by the pump 12 provided in the lower treatment sink. The remaining rice produced in the cafeteria away from the cooking place is crushed by the disposer 21 of the lower rice cake sink 2. If the distance from the waste water treatment device exceeds the transportable distance 100 m of the pump 22, a relay tank 10 is provided in the middle of the drain pipe 6, and another pump is connected from the relay tank 10. It is to be transported to the wastewater treatment unit 3 at 20.

In a dredging facility that includes a disposer and a pump in the lower sink of the kitchen and the lower porridge sink of the cafeteria respectively, If the length of the drainage pipe connecting the wastewater treatment device exceeds the transport capacity of the pump, a relay tank and a pump are installed in the middle of the drainage pipe, which makes the equipment complicated and increases equipment costs and maintenance costs. there were.
The present invention is capable of transporting potatoes crushed by the disposer of the sink remote from the wastewater treatment device to the wastewater treatment device only by the pumps provided in the sink of the kitchen and the dining room without providing a relay tank or its pump. Provide a customized system.

For this reason, the invention of claim 1 is provided with a disposer and a lower treatment sink and a lower dredge sink each having a pump for transporting the pulverized culm by the disposer to the wastewater treatment device, and the sink closer to the wastewater treatment device is provided. The wastewater treatment apparatus is installed within a transportable distance of the pump from the wastewater treatment apparatus, and the sink farther from the wastewater treatment apparatus is installed in a place farther than the transportable distance of the pump from the wastewater treatment apparatus. Connect the drainage pipe of the pump provided with the sink near the equipment to the wastewater treatment equipment, and connect the drainage pipe of the pump provided with the sink far from the wastewater treatment equipment to the suction port side of the pump provided with the sink near the wastewater treatment equipment. By connecting, the pulverized waste from the sink far from the waste water treatment apparatus is transported by both pumps.

According to a second aspect of the present invention, the valve is controlled between the disposer and the pump provided in the sink close to the waste water treatment device and the drain pipe of the pump provided in the sink far from the waste water treatment device, and the open / close state is controlled in reverse. In order to prevent air inhalation during operation of the pump.

In the invention of claim 3, when the valve provided between the disposer provided with the sink close to the waste water treatment device and the pump is in an open state, the disposer far from the waste water treatment device is stopped and the sink far from the waste water treatment device is placed. When the valve provided in the drain pipe of the pump is open, a controller is provided to stop the operation of the disposer, and both disposers are operated simultaneously to prevent the pump from being overloaded.

  Thus, the present invention provides a disposer and a dredging facility provided with a lower treatment sink and a lower dredging sink, each having a pump for conveying the pulverized culm with the disposer to the effluent treatment device. A pump having a sink installed within the transportable distance of the pump from the wastewater treatment device, and a drain pipe of a pump provided in the other sink installed at a location farther than the transportable distance, in a sink near the wastewater treatment device Since it is connected to the suction port side of the wastewater, it is not necessary to install a relay tank or another pump from the sink installed at a location far from the wastewater treatment device, and the wastewater can be transported smoothly. It can be simplified, and the effect of reducing the equipment cost and maintenance labor and cost can be obtained.

In addition, air is provided during the operation of the pump by providing valves that reverse the open / close state between the disposer and the pump provided in the sink near the waste water treatment device and the drain pipe connected to the suction port side of the pump. By providing a controller that stops the operation of the other disposer when the valve provided in each disposer is open, soot from both disposers is discharged at the same time, and the pump There is an effect which can prevent becoming a load.

In FIG. 1, reference numeral 1 denotes a lower processing sink provided in a cooking place, which includes a disposer 11 and a pump 12 that pumps a pulverized processing rod discharged from the disposer. Reference numeral 2 denotes a lower bowl sink provided in a cafeteria away from the cooking place, and includes a disposer 21 and a pump 22 for pumping the pulverized bowl discharged from the disposer in the same manner as the lower treatment sink 1.
3 is a wastewater treatment device, 4 is a drain pipe connecting the pump 12 and the wastewater treatment device 3, 5 is a valve provided in a drainage channel between the disposer 11 and the pump 12, and 6 is connected to the pump 22 and sucks in the pump 12. A drain pipe connected to the mouth side, 7 is a valve provided in the drain pipe 6, and 8 is a controller for the valves 5, 7 and the disposers 11, 21.

In this embodiment, the pumps 12 and 22 are positive displacement pumps having a transportable distance of 100 m, and the waste water treatment apparatus 3 is separated from the pump 12 of the cooking place by another building or outdoor located within a transportable distance of 100 m. The pump 22 in the cafeteria is at a distance of 100 m or more from the waste water treatment apparatus 3 and at a distance within 100 m from the pump 12 at the kitchen.

The cooking residue produced at the kitchen is put into the lower treatment sink 1 and pulverized, and is discharged from the opened valve 5 to the waste water treatment device 3 through the drain pipe 4 by the pump 12. When cooking, the cafeteria has not been used yet, so the valve 7 is closed by the controller 8, the pump 12 does not suck air from the drain pipe 6, and the pulverized soot from the disposer 11 is It is smoothly discharged to the waste water treatment device 3.

When the cafeteria is used and leftovers and the like are put into the lower sink sink 2, the milled grinded by the disposer 22 is discharged to the drain pipe 6 by the pump 22. At this time, the residue processing at the kitchen is finished, and the controller 8 closes the valve 5 and opens the valve 7, so that the pulverized waste from the pump 22 is pressurized by the pump 12 from the drain pipe 6 through the valve 7. Then, it is transported to the wastewater treatment device 3 at a place beyond the transportable distance of the pump 22.

When the lower processing sink 1 and the lower sink sink 2 are used temporarily at the same time, the priority disposer is operated, the other disposer is temporarily stopped, and the valve is opened and closed accordingly. Batch operation may be performed.
In this embodiment, one preparation sink and one lower sink are shown in the kitchen and the dining room, but a plurality of sinks can be provided.
Further, the present invention can be applied even when the cooking place is located far from the waste water treatment apparatus and the dining room is located near the waste water treatment apparatus.

It is a systematic diagram which shows the Example of this invention. It is a systematic diagram showing a conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lower treatment sink 2 Lower iron sink 11, 21 Disposer 12, 22 Pump 3 Waste water treatment equipment 4, 6 Drain pipe 5, 7 Valve 8 Controller 10 Relay tank 20 Pump

Claims (3)

Disposer and lower processing sink and pumping sink equipped with a pump that transports the crushed slag by the disposer to the wastewater treatment device are provided, and the sink close to the wastewater treatment device is within the transportable distance of the pump from the wastewater treatment device. In a dredging treatment facility installed at a location where the sink far from the wastewater treatment device is far from the distance that the pump can be transported from the wastewater treatment device, the drainage device of the pump provided with the sink near the wastewater treatment device And connect the drain pipe of the pump with the sink far from the waste water treatment device to the suction port side of the pump with the sink near the waste water treatment device, Drainage system for dredging equipment, which is transported to a wastewater treatment device by a pump. 2) A valve for reversely controlling the open / close state is provided between the disposer and the pump provided in the sink near the waste water treatment apparatus and in the drain pipe of the pump provided in the sink far from the waste water treatment apparatus. Wastewater system for treatment equipment. When the valve provided between the disposer provided in the sink near the wastewater treatment device and the pump is open, the disposer far from the wastewater treatment device is stopped and the pump provided in the sink far from the wastewater treatment device is stopped. The drainage system for dredging equipment according to claim 2, wherein when the valve provided in the drainage pipe is in an open state, the operation of the disposer close to the wastewater treatment apparatus is stopped.

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