JP2001239281A - Night soil treatment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a night soil treatment device which is adequate in combinations with various kinds of irregularly used toilets which are sufficient with a remedy for water. SOLUTION: This device is segmented and formed with a chip chamber 2 of an upper layer and a liquid chamber 3 of a lower layer by a water permeable partition body 4. An agitating body 8 which may be driven to rotate is disposed in the chip chamber 2. The device has a discharge means 17 extending outside the vessel from a space section 14 in the liquid chamber 3. The liquid chamber 3 and a liquid crystal tank 22 are communicated with each other by a circulating route 23. The liquid is pumped up into the liquid tank 22 from the inside of the liquid chamber 3 by a pump 24 by receiving the detection that the water level sensor 11 in the liquid chamber 3 ascends above a fixed water level and every time the water level in the liquid chamber 3 made heatable by a heating means 5 falls down to a specified level or below, a ball tap 25 operates to allow the reflex of the liquid from the inside of the liquid tank 22 to the inside of the liquid chamber 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a human waste treatment apparatus for decomposing human waste excreted by bacteria with bacteria, and more particularly to an apparatus useful as a set dedicated to processing or combined with a flush or non-flush toilet.

[0002]

2. Description of the Related Art Conventionally, as a method of treating human waste, one method is to dilute the human waste with water, purify and discharge the wastewater by the microbial activity in the water, and the other is to dilute the human waste without diluting the human waste. This is a method of eliminating bacteria by the action of bacteria at an appropriate temperature. In the latter case, the stool has been dusted with stool or peat moss for a long time to allow microorganisms to proliferate, leave it in a storage tank as it is, and degrade it. There is a method of decomposing filth while stirring the substrate. Devices that disassemble kitchen garbage use the same method. And
Using organic substances such as sawdust and peat moss as the substrate that carries bacteria, taking out the entire substrate and reusing it as an organic fertilizer, and using microorganisms that use substances such as ceramics that have microscopic voids where bacteria can easily live in There is a method in which filth and garbage are eliminated without considering reuse as fertilizer. In any case, depending on the conditions of use, the waste and garbage may not be decomposed and hinder the use. By the way, the most important problem in the treatment of human waste by bacteria is water. Particularly in public toilets used by an unspecified number of people, urine is inevitably increased, resulting in excess water. When the water content increases, the base material becomes excessively moist, and it becomes difficult for aerobic bacteria, which play a major role in decomposing filth, to become active. When the water content increases, the base material is decisively damaged and rots. In order to prevent this adverse effect, some devices have been devised to use a special solid-liquid separation toilet for the toilet or to separate and store only urine so that the base material and the waste do not become muddy. Conversely, if the amount of stool excreted in the toilet is small, the base material may run out of water, and the stool may solidify without being decomposed. For such a problem,
A method of humidifying the base material by evaporating urine collected on the bottom of the tank is conceivable, but it has not yet been possible to achieve a sufficient effect.

[0003]

The first object of the present invention is to provide a human waste processing apparatus which has sufficient moisture control and is preferably used in combination with various toilets which are used irregularly. Further, a human waste processing apparatus having a high water treatment capacity, thirdly, a human waste processing apparatus having a high decomposition processing capacity of human waste without a base material as a bacterial carrier being corroded, and fourthly, In addition, it is used irregularly and intensively,
It is an object of the present invention to provide a human waste treatment apparatus which is useful as a human waste disposal for public toilets and temporary toilets which are mostly used for excreting urine.

[0004]

According to the present invention, in order to achieve the above-mentioned object, an upper chip chamber and a lower liquid chamber are partitioned by a water-permeable partition in a processing tank, and a driving rotation is performed in the chip chamber. A possible stirrer is provided, and exhaust means extends from the space inside the liquid chamber to the outside of the tank. Circulation of the liquid chamber and the liquid tank from the liquid outlet in the liquid chamber to the liquid inlet in the liquid chamber through the liquid tank When the water level sensor in the liquid chamber detects that the water level in the liquid chamber rises above a certain level, the pump in the circulation path can pump the liquid from the liquid chamber into the liquid tank and operate. At the same time, each time the water level in the liquid chamber that can be heated by the heating means drops below a certain level, a ball tap provided at the liquid inlet is activated to allow the liquid to flow from the liquid tank into the liquid chamber. It is characterized by the following.
Further, the present invention is characterized in that the processing tank is provided with an air feeding means capable of feeding outside air from outside the tank to the liquid chamber. In the present invention, the chip chamber is provided with a humidity sensor capable of measuring the upper limit humidity and the lower limit humidity in the room, and a damper is provided in the exhaust means so as to be openable and closable. The indoor humidity of the chip chamber communicating with the space through the vent hole of the means can be adjusted. Further, in the present invention, the treatment tank communicates with the toilet, and the waste from the toilet port is separately received in the chip chamber, and the urine from the solid-liquid separation element of the toilet is received in the liquid chamber. Features.

The chips in the chip chamber in the present invention may be sawdust, peat moss, hollow short macaroni-like lightweight ceramics, or other known materials, as long as they are substrates that carry bacteria. The water-permeable partition body has a mode of having a mesh made of plastic or metal, and the network surface strength of the partition body may be any as long as it can form and define each chamber. Further, in order to reinforce the strength or make up for the shortage, it may be supported by a support such as gravel or a pillar.
The heating means includes various types of heaters such as electric heaters and hot water, heaters of a type that circulates and heats hot water, and other known heating capabilities. Exhaust means may be either natural exhaust or forced exhaust, with a stink tube type that emits into the atmosphere, one that guides into the soil and deodorizes it,
Any of the embodiments that deodorize with a deodorant, and any embodiments may be used. The stirrer may be in a mode of driving and rotating with the vertical axis as the rotation axis, or in a mode of driving and rotating with the horizontal axis as the rotation axis. The air supply means is a fan, a blower, or an air pump. The damper may be of a mode of opening and closing manually,
Any of the modes of automatically opening and closing in contact with the humidity sensor may be used. The toilet combined with the human waste processing apparatus of the present invention may be either a type provided with a solid-liquid separation element for separating stool and urine, or a type not provided with a solid-liquid separation element.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 illustrates an embodiment of a human waste processing apparatus according to the present invention, which is incorporated under a toilet floor. The treatment tank 1 is installed under the floor of the toilet 28, and passes through the excrement pipe 29 on the upper surface of the toilet 28.
With the defecation port 30 of the upper and lower sides. The defecation port 30 of the toilet bowl 28 is provided with a shielding plate 31 so as to be openable and closable. The shielding plate 31 is opened and opened only when used, and closed when not in use to seal the defecation port 30. Thus, warm air and odor in the processing tank 1 are shut off. The toilet 28 has a solid-liquid separation element 32 and a washing water supply element 33.
Is provided. The solid-liquid separation element 32 has a slit-like groove 32a at the center of the front of the ball surface 28a of the toilet 28.
And a drain pipe 3 extending from the groove 32a to the lower water collecting part 32c.
2b, a water collecting part 32c capable of receiving urine from the closed shielding plate 31, a water collecting part 32c and the liquid chamber 3 in the processing tank 1.
, The waste from the defecation port 30 of the toilet bowl 28 enters the chip chamber 2, and the urine contains the solid-liquid separation element 32.
Through the liquid chamber 3 respectively. The cleaning water supply element 33 supplies the cleaning water to the ball surface 28.
a to be able to wash the same surface. This processing tank 1
Is a method in which an upper chip chamber 2 and a lower liquid chamber 3 are partitioned by a water-permeable partition member 4 in a tank, and a heater 5 is provided on the bottom of the processing tank 1. Is covered with a heat insulating material 6 for heat insulation.

The chip chamber 2 accommodates sawdust 7 serving as a bacterial carrier in the chamber, and the sawdust 7 is formed so as to be stirred by a stirrer 8 which is also rotated around a vertical axis of rotation in the chamber. It is. The stirring body 8 rotates intermittently or continuously under the driving force of the motor 9, and the rotating blade 8 a rotates at a position where the tip is as close as possible to the mesh surface of the partitioning body 4. The liquid chamber 3 supports the partition body 4 between the chip chamber 2 and the support column 10 by standing upright, and the upper limit water level sensor 11 for sensing the upper limit of the water level and the lower limit for sensing the lower limit of the water level in the room. The water level sensors 12 are arranged vertically and the heater 5 is set to operate only when the water level is between the upper limit and the lower limit. The heater 5
It is also connected to a temperature sensor 13 that senses a standard temperature in the tank, that is, a temperature in the chip chamber 2, and performs a heating operation when the inside of the chip chamber 2 decreases to a predetermined low temperature, and performs a heating operation when the inside of the chip chamber 2 reaches a predetermined high temperature. Is set to stop.

In the processing tank 1, an air supply pipe 15 having an air outlet 15 a is provided in a space 14 between the liquid surface in the liquid chamber 3 and the partition body 4. External air is supplied into the space 14 via the air outlet 15, and an air outlet 15 a in the space 14 is provided.
An inlet 17a at the lower end of the exhaust pipe 17 is provided at a position opposite to the above. The upper end of the exhaust pipe 17 protrudes out of the building as a odor pipe 18, and the inside of the space portion 14 can be forcibly ventilated by the operation of a fan 19 which is constantly operating at the upper end of the odor pipe 18. A large number of ventilation holes 17b are opened on the side surface of the exhaust pipe 17 in the chip chamber 2 so that the space 14 communicates with the chip chamber 2 via the ventilation holes 17b.

The chip chamber 2 is provided with a humidity sensor 20 capable of measuring the upper limit humidity and the lower limit humidity in the room.
A damper 21 is provided in the exhaust pipe 17 at a position higher than the vent hole 17b so as to be openable and closable. The drive unit of the damper 21 is in communication with the humidity sensor 20. When the humidity in the chip chamber 2 falls below the set lower limit humidity, the damper 21 closes and shuts off the odor pipe 18 side. On the other hand, the humid air sent from the space portion 14 flows into the chip chamber 2 from the ventilation hole 17b to increase the humidity in the room. When the humidity in the chip chamber 2 rises above the set upper limit humidity, the damper 21 is opened to communicate the space 14 with the side of the odor stack 18 so that the humid air is discharged from the odor stack. By exhausting air from the pipe 18 to the outside, the humidity in the chip chamber 2 is prevented from rising above the upper limit humidity.

A liquid tank 22 is connected to the liquid chamber 3 through a liquid outlet 23a in the liquid chamber 3 and a liquid inlet 2 in the liquid chamber 3 through the liquid tank 22.
3b. When the upper limit water level sensor 11 in the liquid chamber 3 detects that the water level in the liquid chamber 3 rises above a certain level, the pump 24 in the circulation path 23 The liquid is pumped from the liquid chamber 3 into the liquid tank 22, and the ball tap 25 provided at the liquid inlet 23b is operated every time the water level in the liquid chamber 3 drops below a certain level. The liquid is formed so as to be able to recirculate from the liquid tank 22 into the liquid chamber 3. The pump 24
The operation is stopped at a timing when the water level in the liquid chamber 3 decreases to a certain degree, that is, to a degree that the reflux operation by the ball tap 25 is not performed. The lid 26 on the side of the processing tank 1 closes the take-out port 27 of the chip chamber 2 so that the sawdust 7 can be taken out of the chip chamber 2.

Next, a description will be given of a wastewater treatment operation state in a mode in which the toilet 28 having the solid-liquid separation element 32 illustrated in FIG. 1 and the treatment tank 1 communicate with each other. Processing tank 1
The stool that is installed under the floor of the toilet bowl 28 and falls into the chip chamber 2 from the defecation port 30 of the toilet bowl 28 via the stool dropping pipe 29 on the upper surface is mixed with the sawdust 7 by the stirring body 8, It is decomposed by microorganisms that live on the soil. The urine excreted at the front of the ball surface 28a is a slit-shaped groove 32 at the center of the front of the ball surface 28a.
a flows into the water collecting part 32c through the drain pipe 32b, and flows directly from the water collecting part 32c into the liquid chamber 3 in the processing tank 1 through the water pipe 32d. In the liquid chamber 3, while the water level is changing between the set upper and lower limits, the heater 5 is operated, and the liquid in the liquid chamber 3 is overheated to promote evaporation. Part of the evaporating air enters the chip chamber 2 to humidify the sawdust 7, and most of the evaporating air rides on the airflow from the air supply pipe 15 through the space 14 to the exhaust pipe 17, and is outside the odor stack 18. Dissipated to

When the water level in the liquid chamber 3 exceeds the set upper limit water level, the pump 24 starts operating in response to the detection by the upper limit water level sensor 11 to remove urine from the liquid chamber 3. By performing the pumping operation into the tank 22, the space portion 14 is secured in the liquid chamber 3, and the diffusion of the evaporated air to the outside is continued. Further, when the water level in the liquid chamber 3 drops below a certain level due to evaporation, the ball tap 25 operates to return the liquid from the liquid tank 22 to the liquid chamber 3. further,
When the humidity in the chip chamber 2 becomes lower than the set lower limit humidity, the damper 21 closes and shuts off from the odor stack tube 18 side, while humid air sent from the space 14 is passed through the ventilation hole 17b. From the inside of the chip chamber 2 to increase the humidity in the room and prevent and reduce the activity of the microorganisms due to drying, thereby performing the decomposition treatment of human waste without delay.

[0013]

A. Effects of the Invention According to the first aspect, a combination with various toilets that have sufficient moisture control and are used irregularly is preferable. B. According to claim 2, the water treatment capacity is further high. C. According to the third aspect, the substrate as a bacterial carrier is not corroded, and the ability to decompose human waste is high. D. According to the fourth aspect, the present invention is further useful as an excrement disposal in a public toilet or a temporary toilet which is used irregularly and intensively and most of which is frequently used for excreting urine.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the human waste decomposition processing apparatus of the present invention.
FIG. 4 is a vertical cross-sectional view illustrating the form.

FIG. 2 is a perspective view partially cut away.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Processing tank 2 Chip chamber 3 Liquid chamber 4 Partition body 5 Heater 6 Insulation material 7 Sawdust (chip) 8 Stirrer 8a Rotating blade 9 Motor 10 Prop 11 Upper limit water level sensor (water level sensor) 12 Lower limit water level sensor 13 Temperature sensor 14 Space part Reference Signs List 15 air supply pipe 15a air outlet 16 air blower fan 17 exhaust pipe (exhaust means) 17a air inlet 17b vent hole 18 stomach tube 19 fan 20 humidity sensor 21 damper 22 liquid tank 23 circulation path 23a liquid outlet 23b liquid inlet 24 pump Reference Signs List 25 ball tap 26 lid 27 outlet 28 toilet 28a ball surface 29 human waste pipe 30 defecation port 31 shielding plate 32 solid-liquid separation element 32a groove 32b drain pipe 32c water collecting section 32d water pipe 33 washing water supply element

Claims (4)

[Claims] An upper chip chamber and a lower liquid chamber are partitioned by a water-permeable partition in a processing tank, and a rotatable stirrer is disposed in the chip chamber, and a space inside the liquid chamber is formed. The liquid chamber and the liquid tank are connected to each other by a circulation path extending from the liquid outlet in the liquid chamber to the liquid inlet in the liquid chamber through the liquid tank, and a water level sensor in the liquid chamber detects the water level in the liquid chamber. Of the water in the liquid chamber, the pump in the circulation path pumps the liquid from the liquid chamber into the liquid tank, and can be heated by the heating means. Every time the pressure drops below a certain level, a ball tap provided at the liquid inlet is operated to allow the liquid to be returned from the liquid tank into the liquid chamber. 2. The human waste treatment apparatus according to claim 1, wherein the treatment tank is provided with an air supply means capable of supplying outside air from outside the tank to the liquid chamber. 3. A chip chamber is provided with a humidity sensor capable of measuring the upper limit humidity and the lower limit humidity of the room, and a damper is provided on the exhaust means so as to be openable and closable. 3. The human waste processing apparatus according to claim 1, wherein the indoor humidity of the chip chamber communicating with the space through the ventilation hole of the means can be adjusted. 4. The treatment tank is in communication with the toilet, and the waste from the toilet port can be separately received in the chip chamber, and the urine from the solid-liquid separation element of the toilet can be separately received in the liquid chamber. The human waste processing apparatus according to any one of claims 1 to 3, characterized in that: