JP3425673B2 - Vehicle toilet equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present application relates to a toilet device mounted on a vehicle.

[0002]

2. Description of the Related Art As a conventional vehicle toilet device, filth is received from a toilet bowl in a storage tank and is filtered by a filter laterally arranged with a gap of about 1 mm provided in the storage tank, and It is known that a deodorant is put into a storage tank, and the deodorized water is sucked up by an electric pump and reused as flush water for a toilet bowl.

[0003]

However, according to the above-described conventional vehicle toilet device, even if the deodorant is put into the storage tank, the concentration of the sewage increases in a short time and the deodorant effect is lost, and the odor is eliminated. When it becomes strong and dirty water is very dirty, blue water is mixed, but its effect disappears in about 2 days, so conventionally it was necessary to discharge the dirty water in the storage tank at the vehicle base in about 3 days, There were many difficulties in reusing sewage as wash water. Therefore, the present application solves the drawbacks of the conventional ones by biologically treating filth by aeration means and aggregating inorganic substances and the like for solid and liquid separation.

[0004]

In order to solve the above-mentioned problems, the present application communicates with a toilet bowl to receive an inflow of filth and a pretreatment chamber provided with an aeration means inside and opened at the bottom.
And a front partition that is closed at the top and separates from the pretreatment chamber
Open at the wall and above, closed at the bottom to keep water in the next stage
Between the partition walls after partitioning the chamber, arranging the contact plate and the contact aeration chamber provided with aeration means, said rear partition wall
And water retention chamber for holding sewage flowing down from above, the water retention
A toilet having a treatment tank communicating with the chamber and having a filtration chamber continuously provided with a filter, a means for charging a coagulant into the pretreatment chamber, and a toilet bowl using the water in the filtration chamber as washing water. And means for supplying to the. In the above, the toilet bowl is composed of a toilet bowl having a foot switch for flushing flush water to the toilet bowl, and a urinal bowl having a pressing switch for flushing flush water to the toilet bowl. Preferably, the water retaining chamber is provided with a sterilizing lamp, and the treatment tank is provided with means for injecting tap water into the tank and means for discharging water in the tank from the bottom of the tank, Further, it comprises an exhaust means communicating with the upper chamber of the processing tank.

[0005]

[Action] Thus after using the toilet, foot switch 乃
When the extreme pressure switch is operated, water is supplied from the filtration chamber of the treatment tank to the toilet bowl for cleaning, and the cleaning water and dirt flow into the pretreatment chamber of the treatment tank and a certain amount of coagulant is added. . In the pretreatment chamber, air is continuously discharged as air bubbles into the water from the air pipe, and the waste is crushed and oxygen is supplied into the water. Is decomposed into carbon dioxide gas and water, and a part of the organic matter and the inorganic matter are coagulated and precipitated by the coagulant. The wastewater that has been decomposed and washed in this way flows into the contact aeration chamber, and a large number of aerobic microorganisms are also generated in this contact aeration chamber due to the generation of bubbles by the air tube.
The sewage that has flowed into the contact aeration chamber is separated from the precipitate and rises up along with the air bubbles in the contact material, and is further purified by the aerobic microorganisms adhering to the contact material in the process, and then is discharged above the rear partition wall. More sewage flows into the water retention chamber, and the sewage that has flowed into the water retention chamber becomes solid due to the air pipes in the water retention chamber.
Prevented from being formulated, and is sterilized by sterilizing lamp, water in the water holding chamber is reused again as wash water of the toilet and flow into the filtration chamber.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present application will be described in detail below with reference to the drawings. 1 indicates the floor of the toilet room, and this toilet room is
A urinal device 2 and a urinal device 3 are provided. In the embodiment, for convenience of explanation, the case where the urinal device 2 and the urinal device 3 are provided in the same toilet room is illustrated, but in reality, these are provided in different toilet rooms. Reference numeral 4 denotes a processing tank installed on the lower surface of the floor 1, and this processing tank 4 has a pretreatment chamber 5 inside.
The contact aeration chamber 6, the water retention chamber 7, and the filtration chamber 8 are continuously provided, and the toilet bowl 2 is provided above the pretreatment chamber 5 via a large-diameter stool pipe 9. , Small diameter urine pipe 10
The urinals 3 are connected to each other via an air pipe 12, and an air pipe 12 connected to the blower 11 provided outside and having a large number of small holes is provided at the inner bottom portion thereof.

The contact aeration chamber 6 has a front partition wall 13a which is opened downward at its front and rear positions and is closed at the upper end to partition the pretreatment chamber 5, and an upper opening is opened at the lower end and is closed at the lower end to retain water in the next stage. A large number of contact plates 14 made of vinyl chloride or the like having a fold like a large surface area are laterally arranged between 7 and the partition wall 13b to be partitioned, and the air pipe 12 and the air pipe 12 are provided on the inner bottom portion. Air tube 15a having a large number of small holes communicating with each other
Is provided. Further, the water retaining chamber 7 is provided with an air pipe 15b having a large number of small holes communicating with the air pipe 12, a sterilization lamp 17 for sterilizing purified water, a water control pipe 18 for overflow and a water detection valve 19, respectively. In addition, a filter 16 is provided in the filtration chamber 8.

Reference numeral 20 is an electric water pump connected to the filtration chamber 8 and controlled by a timer, and a flush pipe 21 for a toilet having a flush nozzle 21a at its output end.
Communication pipe 23 that communicates with the cleaning pipe 22 for the urinal, respectively
This communication pipe 23 is provided with solenoid valves 24 and 25 for controlling the opening and closing of the flush water circuit for the urinal and the flush water circuit for the urinal, respectively.

Reference numeral 26 is a water discharge pipe connected to the bottom of the treatment tank 4, and discharge cocks 27 and 28 are provided at the front and rear ends thereof. Reference numeral 31 is a water supply pipe having water injection valves 32 and 33 for injecting tap water into the treatment tank 4 at both ends, and 34 is a tank containing an organic or inorganic polymer coagulant. A metering pump 35 for sucking up and supplying a fixed amount of coagulant into the pretreatment chamber 5 is provided. 36 is a foot switch provided in the urinal 2, 37 is a flapper valve for opening and closing the outlet of the urinal 2, 38 is a push switch provided in the urinal 3, 39 is an odor of the upper space in the processing tank 4. The blower that sucks out to the outside, 40 is in the cold season,
When the temperature is 5 ° or less, the activity of microorganisms slows down, so a heater used for encouraging the activity, 41 is an electric circuit control box, 42 is the water retention chamber 8 of the treatment tank 4 and the water discharge pipe 2
It is a discharge valve connected between 6 and 6.

When the user uses the toilet bowl 2 and then operates the foot switch 36, a timer operates and the electric water pump 20 and the electromagnetic valve 24 operate for a certain period of time to keep the water tank of the treatment tank 4. For example, about 2 liters of water is sucked up from once and supplied to the washing pipe 21, and the toilet bowl 2 is washed. On the other hand, by operating the foot switch 36,
The flapper 37 opens and the filth along with the wash water flows into the pretreatment chamber 5 of the treatment tank 4 through the stool pipe 9, and at this time, the coagulant in the tank 34 is also about 10 cc from the metering pump 35.
It is thrown in.

When the user presses the push switch 39 after using the urinal 3, the electric water pump 20 and the solenoid valve 25 are operated for a certain period of time in this case as well, and the filtration chamber of the treatment tank 4 is operated. For example, about 0 or 5 liters of water is sucked up from once and supplied to the cleaning pipe 22, the urinal 3 is cleaned, and sewage and cleaning water are collected from the urine pipe 1.
It is introduced into the pretreatment chamber 5 of the treatment tank 4 via 0. Also in this case, the coagulant pump 35 is operated by the timer for a certain period of time, and about 10 cc of the coagulant is fed into the pretreatment chamber 5.

A predetermined amount of tap water is supplied to the inside of the treatment tank 4 in advance at the vehicle base via the water supply pipe 31. When the power supply is turned on for use, the blower 11 is activated and the inside of the air pipe 12 is operated. Pressurized air is supplied to the air pipe 1
Bubbles are continuously blown out into the water from the small holes of 2 and the filth is crushed by this, and at the same time oxygen is supplied into the water, whereby a large number of aerobic microorganisms are generated and organic substances are converted into carbon dioxide gas by the aerobic microorganisms. And water are decomposed, a part of the organic substances and the inorganic substances are coagulated and precipitated by the coagulant, and the decomposed and purified wastewater is contacted from below the front partition wall 13a.
Flow into.

In the contact aeration chamber 6 as well, since the air pipe 15a is arranged at the inner bottom portion thereof as in the above, a large number of aerobic microorganisms are generated by the bubbles blown out from the small holes, so that the contact aeration is performed. The sewage that has flowed into the chamber 6 is separated from the precipitate and rises up in the mutual gap of the contact plate 14 together with the bubbles, and in the process is further purified by the aerobic microorganisms fixed to the contact plate 14, the rear partition wall 13b. Sewage flows into the water retention chamber 7 from above, and the sewage that has flowed into the water retention chamber further prevents solidification of the filth by the air blown out from the air pipe 15b and is sterilized by the sterilization lamp 17. The water in the water retention chamber 7 flows into the filtration chamber 8 and is used again as purified water for the switch operation.

The water level in the treatment tank 4 rises each time it is used,
When the water level in the treatment tank 4 has reached near full, the discharge cocks 27 and 28 are opened in the vehicle base, and then the discharge valve 42 is opened, so that the treatment tank 4 inside the treatment tank 4 is installed in the vehicle base. Release all water. In the above case, in the case of small use, since the organic matter content is small, it is mainly purified by the coagulant. The vehicle is turned off for several hours at night, and the blower 11 is stopped. However, according to the experimental results, it is confirmed that the purification performance of the device of the present application is hardly affected even in this state. It was Further, in the device of the present application, the powder of the bacterial preparation is introduced at the initial stage of its use.

[0015]

As described above, according to the present invention, in the pretreatment chamber of the treatment tank, aeration can be used to crush filth to facilitate discharge, and aerobic microorganisms to dissolve dissolved components in water into carbon dioxide gas and water. In addition to decomposing into organic matter and a part of organic matter and inorganic matter by aggregating and precipitating by adding coagulant, this water is decomposed and purified by a contact aeration chamber, and further filtered by a filter to separate solid and liquid. Therefore, the wash water retained in the water retention chamber is extremely clean and has almost no odor. Therefore, the water in the water retention chamber can be used as wash water for a long period of time, and when the blower is stopped at night, etc. However, there is no fear of impairing the purification performance, and since the water discharged from the treatment tank at the vehicle base contains microorganisms and flocculants, the receiving tank installed at the vehicle base can be made smaller. Together, can also significantly reduce equipment costs, also has advantages such can eliminate the residual odor according to the configuration of claim 6 wherein.

[Brief description of drawings]

[Figure 1] Overall circuit diagram

[Explanation of symbols]

2 Urinal 3 Urinal 4 Treatment tank 5 Treatment chamber 6 Contact aeration 7 Water retaining chamber 8 Filtration chamber 11 Blowers 12, 15 Air pipes 13a, 13b Partition wall 14 Contact plate 16 Filter 17 Sterilization lamp 20 Electric water pump 23 Communication pipe 24, 25 Solenoid valve 31 Water supply pipe 34 Tank 35 Metering pump 36 Foot switch 38 Push switch

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takao Koana 1-29-6-806 Aobadai, Meguro-ku, Tokyo (72) Inventor Tsuneo Takashina 5-27-3 Shimbashi, Minato-ku, Tokyo Goko Manufacturing Co., Ltd. (72) Inventor Kazuo Kaneko 5-27-3 Shimbashi, Minato-ku, Tokyo Inside Goko Manufacturing Co., Ltd. (56) Reference JP-A-4-64629 (JP, A) JP-A-63-130183 (JP , A) Japanese Unexamined Patent Publication No. 4-108596 (JP, A) Actual Development No. 4-26099 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B60R 15/04 C02F 3/00

Claims (5)

(57) [Claims] 1. A pretreatment chamber which communicates with a toilet bowl to receive an inflow of filth and which has an aeration means inside, and is opened downward.
And a front partition that is closed at the top and separates from the pretreatment chamber
Open at the wall and above, closed at the bottom to keep water in the next stage
Between the partition walls after partitioning the chamber, arranging the contact plate and the contact aeration chamber provided with aeration means, said rear partition wall
And water retention chamber for holding sewage flowing down from above, the water retention
A toilet having a treatment tank communicating with the chamber and having a filtration chamber continuously provided with a filter, a means for charging a coagulant into the pretreatment chamber, and a toilet bowl using the water in the filtration chamber as washing water. And a means for supplying the same to the toilet device for a vehicle. 2. A toilet bowl having a foot switch for discharging flush water to the toilet bowl, and flushing water to the toilet bowl.
A urinal with a push switch for ejecting.
The vehicle toilet device described. 3. The vehicular toilet device according to claim 1, wherein the water retaining chamber is provided with a sterilizing lamp. 4. The vehicular toilet device according to claim 1, 2 or 3, wherein the treatment tank is provided with means for injecting tap water into the tank and means for discharging water from the bottom of the tank. . 5. The vehicular toilet device according to claim 1, further comprising an exhaust means communicating with the upper chamber of the processing tank.