JPH038936A - Household water recycling device - Google Patents

Abstract

PURPOSE:To contrive to effectuate water saving by providing a branch passage for washing machine water to a circulating passage for bathtub hot water, and by supplying waste water for flushing a toilet bowl through a waste water supply passage connected to a cesspool that stores the waste water from a washing place and the washing machine. CONSTITUTION:A circulating passage 2 connected to a bathtub 1 is branched at its midway to a branched water supply passage 4 through a three-way switching valve 15 and is constructed to be capable of supplying circulating water to a washing machine 3. Waste water or the like from a washing place 5 of a bathroom, the washing machine 3 or a wash basin 28 are allowed to flow into a cesspool 6 respectively through drainpipes 32. The waste water collected in the cesspool 6 is then delivered continuously at a fixed rate with a fixed delivery pump 33 to a waste water supply passage 7 and is further supplied to a high tank 37 passing through a microbe treatment device 34, a filtrating device 35 and a disinfecting device 36. The water is then supplied for flushing a toilet bowl 8 with a valve in a low tank opened. Therefore water saving can be effectuated with effective use of water.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an invention for the reuse of water in households.

[Prior Art] In the past, water used in households was used only once for each purpose, and after being used, it was directly discharged into the sewer system as wastewater. For example, hot water in the bathroom bathtub is drained into the sewer system after a day's bathing, and hot water used in the bathroom washing area, hot water used in the washing machine, or water used in the washbasin, etc. Currently, wastewater generated in other households is directly discharged into the sewer system.

[Problems to be Solved by the Invention] However, as mentioned above, the following problems arise when water that has been used only once in the home is discharged into the sewer system without being reused. There is.

■Water is used only once and then drained into the sewer, so all the water needed at home is supplied from new tap water.
There are problems in that water bills are rising, which increases the burden on households, and the water utilities that supply water have to have larger equipment, and they have to make more efforts to secure water.

■Water is used only once and then drained into the sewer system, so a large amount of water is discharged into the sewer system, which increases sewer usage charges and increases the burden on households.Also, it is necessary to treat a large amount of sewage water at a sewage treatment facility. Therefore, there are problems in that the equipment becomes larger and the cost of sewage treatment increases.

■Furthermore, in recent years, the demand for water has been increasing year by year, and there are times when the water supply cannot keep up with the demand, such as in the summer.Furthermore, if the demand for water continues to increase in the future, water resources will be affected. From a water resource perspective, it is a water resource problem if the water used in the home is not reused and is directly discharged into the sewer system.

The present invention was invented in view of the problems of the conventional examples described above, and its purpose is to make it possible to reuse the water used in the home, and to reduce the amount of water used and waste water in the home. The purpose of the present invention is to provide a household water reuse device that can reduce water consumption.

[Means for Solving the Problems] In order to achieve the above object, the household water reusing device of the present invention includes a washing machine with a circulation path 2 that sucks hot water from a bathtub 1 in a bathroom and discharges it back into the bathtub 1 as filtered hot water. The branch water supply channel 4 that supplies water to the toilet 3 is branched, and the water is drained from the bathroom washing area 5, washing tW*
A sewage tank 6 into which the waste water of 3 flows is provided, and a sewage supply path 7 is provided to supply water from the sewage tank 6 as water for washing the toilet bowl 8.

In addition, wastewater from the bathroom washing area 5 is placed in the sewage tank 6, and the washing machine 3
It is also possible to allow wastewater from other households or other household wastewater to flow into the system.

[Effect 1] By sucking the hot water in the bathtub 1 through the circulation path 2 and discharging it back into the bathtub 1 as filtered hot water, the hot water in the bathtub 1 can be used for many days. In this case, the bathtub 1 and 3, the branch water supply channel 4 that branches off the hot water from the circulation channel 2, and the washing machine 3.
In addition, the wastewater from the washing area 5 in the bathroom and the washing machine 3 are collected in a wastewater tank 6, and the water in this wastewater tank 6 is used as a wastewater supply. Water is supplied from the channel 7 to the toilet bowl 8 side and used as water for flushing the toilet bowl 8. Here, sewage tank 6
If other household wastewater other than the washing area 5 wastewater and washing machine 3 wastewater is allowed to flow in, other household wastewater will also be used as water for flushing the toilet bowl 8.

[Examples] The present invention will be described in detail below based on examples shown in the accompanying drawings.

FIG. 1 shows a schematic perspective view of an embodiment of the invention. Both ends of a circulation path 2 are connected to a bathtub 1 in the bathroom.
An opening at one end of the circulation path 2 serves as a suction port 9, and an opening at the other end serves as a discharge port 10.

In the middle of the circulation path 2, there is a heat insulating device such as a heater fffll,
A circulation pump 12, a filtration device 13, a sterilization device 14, etc. are provided, and a branch water supply channel 4 is branched off from this circulation path 2 via a three-way switching valve 15, and the tip of this branch water channel 4 is connected to a washing machine. It is connected so that water can be supplied to machine 3. The circulation path 2 is also connected to the end of a hot water supply pipe 17 led out from the hot water supply device 16, and the open/close pulp 1 is connected to the hot water supply pipe 17.
8 is a provision. The water supply pipe 19 connected to the water supply is connected to a branch pipe 20 for a wastewater tank and a branch pipe 2 for a water heater, respectively.
1. Branch pipes such as a shower branch pipe 22, a washing machine branch pipe 23, a washbasin branch pipe 24, and a toilet bowl branch pipe 25 are branched. The water heater branch pipe 23 is connected to the water heater 16, connects tap water to the water heater 16, supplies hot water heated by the water heater 16 to the bathtub 1 side via the hot water pipe 17, or connects water to the water heater 16. Hot water is supplied to the shower head 30 via a pipe 26, and to a mixing faucet 29 of a washbasin 28 via a washbasin water pipe 27. Further, the branch pipe 23 for the washing machine is connected to the valve on the washing tiflfi side so that water can be supplied to the washing machine 3.
Further, the washbasin branch pipe 24 is connected to a mixing faucet 29.

Other wastewater generated at home, such as wastewater from the washing area 5 of the bathroom, wastewater from the washing machine 3, or wastewater from the washbasin 28, flows into the sewage tank 6 through drain pipes 32, respectively. This wastewater tank 6 is connected to one end of a wastewater supply channel 7, and this wastewater supply channel 7 includes a metering pump 33, a microbial treatment device 34, a filtration device 35, and a sterilization device 3.
6. A high tank 37 and a low tank 38 are arranged.

The sewage tank 6 is provided with an overflow port 39.
Further, the end of a branch pipe 20 for a wastewater tank having a valve 40 is connected to the wastewater tank 6. And sewage tank 6
Inside, other household wastewater such as wastewater from the washing area 5, wastewater from the washing machine 3, or wastewater from the washbasin 28 flows into the sewage tank 6 through the drain pipe 32, where it is stored in a predetermined amount and then stored in the wastewater tank 6. When the wastewater flows in, it is drained to the sewer side from the overflow port 39, and when the water level in the sewage tank 6 falls below a certain water level, a valve 40 is opened to supply clean water up to a certain water level. Metering pump 3
3 is for continuously supplying a constant amount (for example, 0°21/min) of the waste water in the sewage tank 6 toward the microbial treatment device 34 side. The high tank 37 is arranged above the low tank 38, and a pipe 41 forming a part of the wastewater supply path 7 opens at the top of the high tank 37, and a microbial treatment device 34, a filtration device 35, and a sterilization device 36 are connected to the high tank 37. The waste water that has passed is supplied from the pipe 41 into the high tank 37. A pipe 42 constituting a part of the waste water supply path 7 is led out from the lower part of the high tank 37, and this pipe 42 is connected to a pole tap valve device 43 of the low tank 38. The low tank 38 contains flush water from the toilet bowl 8, and when this flush water is used, a fixed amount of waste water from the high tank 37 is supplied into the low tank 38 by the action of a ball tap valve device 43. An overflow port 44 is provided at the top of the high tank 37.
When the water level inside reaches a certain level or higher, the water is drained from this overflow port 44 to the sewage tank 6 or to the sewer side. In addition, the high tank 37 is equipped with a ball tap device 45 installed at the tip of the toilet branch pipe 25, and when the water level in the high tank 37 falls below a certain level, the ball tap device 45 works to close the toilet branch pipe 25. Water is supplied up to a certain level.

When the circulation pump 12 operates, the hot water in the bathtub 1 is sucked into the circulation path 2 through the suction port 9 and returned into the bathtub 1 through the discharge port 10. The heat is kept warm by the heat insulating device 11, and the filtration device 13
, sterilized by sterilizer 14, and bath WI
By purifying the hot water in the bathtub 1 and filling the bathtub 1 with hot water once, it is possible to take a bath for many days. In this case, by keeping warm with the heat keeping device 11, it is possible to take a bath for 24 hours. On the other hand, when using the washing machine 19!3, the three-way switching valve 15 is switched so that the hot water in the bathtub 1 sucked in through the inlet 9 flows from the middle of the circulation path 2 to the branch water supply channel 4 and is supplied to the washing machine 3. Used as washing water. Then, when taking a bath, you can use the hot water in the bathtub 1 in the washing area 5, or use the water in the washing machine 3 as described above.
When the water level in the bathtub 1 is used as washing water, the water level in the bathtub 1 is lowered. This drop in the water level in the bathtub 1 is detected by the water level detection means, and when the water level falls below a certain level, the on-off valve 18 opens and the water from the water heater 16 is removed. Hot water is supplied to the hot water supply pipe 17.

The hot water in the bathtub 1 is to be replaced in whole or in part after continuous use for several days, and in this case, the hot water in the bathtub 1 is drained from the drainage section 48 of the bathtub 1 to the sewer pipe side.

On the other hand, wastewater generated in the washing area 5, washing machine 3, wash basin 28, and other areas in the home is collected in a sewage tank 6, and a fixed amount of the sewage collected in the sewage tank 6 is transferred to the drainage supply channel 7 by a metering pump 33. The sewage that is continuously sent in a fixed amount little by little to the wastewater supply channel 7 is purified by the action of microorganisms in a microbial treatment device 34, and then passes through a filtration device 35 and a sterilization device 36. By doing so, the filtration process and sterilization process are performed and the high tank 37
is supplied to When cleaning the toilet bowl 8, by opening the on-off valve of the low tank 38, the water in the low tank 38 flows into the toilet bowl 8 and cleans the inside of the toilet bowl 8, and the dirty water after cleaning the toilet bowl 8 is sent to the sewer. Drained. Here, when the water in the low tank 38 is supplied to the toilet bowl 8 side as flush water for the toilet bowl 8, a certain amount of the waste water in the high tank 37 is pumped into the low tank 38 by the action of the pole tap valve device 43 provided in the low tank 38. supply

FIG. 2 shows a piping diagram of another embodiment of the present invention.
In this embodiment, a reheating function is added to the hot water supply device 16, and hot water in the bathtub 1 is reheated via a reheating pipe.

Further, a hot water mixing faucet 46 is provided in the shower pipe 26 so that hot water can be supplied to the bathtub 1.

In addition, in this embodiment, a branch water supply channel 4 and a branch pipe 2 for a washing machine are provided.
3 are connected via a three-way switching valve 47, and
[3] The water supplied to the bathtub 1 can be selected between hot water and tap water by switching the three-way switching valve 47.

[Effects of the Invention] In the present invention, as described above, the branch water supply channel that supplies water to the washing machine is branched from the circulation path that sucks hot water from the bathroom bathtub and discharges it back into the bathtub as filtered hot water. By circulating and filtering the hot water in the bathtub, it can be used for many days, and when doing laundry, the hot water in the bathtub is washed from a branched water supply channel that branches off from the circulation path. The hot water in the bathtub can be used effectively by supplying water to the water and using it for washing.In particular, the hot water in the bathtub after being used for many days is replaced with new hot water, but the hot water in the bathtub at the time of this replacement is It is possible to use wastewater more effectively by using it as washing water.Furthermore, a sewage tank is installed into which wastewater from the bathroom washing area and washing machine wastewater flows, and the water from this sewage tank is used as water for washing the toilet bowl. Since a drainage supply channel is provided, the drainage from the washing area and washing till can be effectively used as water for flushing the toilet bowl.In particular, in this case, the hot water in the bathtub can be reused as washing water and then put into the fire. Water can be used again and again for flushing toilet bowls, allowing for even more effective use of water.

In addition, odors are detected not only from washing area wastewater and washing machine wastewater, but also from wastewater from other household wastewater. The wastewater generated in households can also be reused.

As described above, according to the present invention, water used at home can be effectively utilized by reusing hot water from bathtubs, drainage from washing areas, drainage from laundry, etc. as a system, and as a result, the use of tap water can be reduced. This has the advantage of reducing the amount of wastewater discharged into the sewer system.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view of one embodiment of the present invention, and FIG. 2 is a piping diagram of another embodiment of the present invention, where 1 is a bathtub, 2 is a circulation path, 3 is a washing machine, and 4 is a branch. 5 is a water supply channel, 5 is a washing area, 6 is a sewage tank, 7 is a drainage supply channel, and 8 is a toilet bowl. 2

Claims (2)

[Claims] (1) A branch water supply channel that supplies water to the washing machine is branched from the circulation path that sucks hot water from the bathroom bathtub and discharges it back into the bathtub as filtered hot water, and a sewage tank is installed into which wastewater from the bathroom washing area and washing machine wastewater flows. 1. A household water reuse device, comprising: a wastewater supply path for supplying water from the sewage tank as water for flushing toilet bowls. (2) A branch water supply channel that supplies water to the washing machine is branched from the circulation path that sucks hot water from the bathroom bathtub and discharges it back into the bathtub as filtered hot water, and is used to drain water from the bathroom washing area, washing machine, or other household uses. 1. A domestic water reuse device comprising: a sewage tank into which generated wastewater flows; and a sewage supply path for supplying water from the sewage tank as water for flushing toilet bowls.