JPH0523553Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an apparatus for supplying a fermentation accelerator when fermenting human waste.

(Prior Art) As methods for treating human waste, there are flush toilets, purification bed toilets, and fermentation treatment methods.

Flush toilets and septic tank toilets use large amounts of water, and after being treated with chemicals, the sewage is ultimately disposed of into rivers and the sea, contaminating the rivers and seawater, leading to environmental destruction.

On the other hand, the fermentation treatment method is a method in which human waste is fermented without using water, deodorizing it, making it sanitary, and making it useful fertilizer.

In this fermentation treatment method, in order to perform fermentation effectively, it is necessary to mix an appropriate amount of fermentation accelerator into the feces. Conventionally, as a device for supplying a fermentation promoter into feces, a device for supplying a fermentation promoter into feces by gravity is disclosed in Japanese Patent Laid-Open No. 60-82193. The above conventional technique will be explained based on FIG. 4.

In FIG. 4, 29 is a waterless toilet bowl, 30 is a stirring layer, 31 is a hopper for charging a compost fermentation accelerator, 32 is a pipe, and 33 is a fermentation layer. The fermentation accelerator introduced into the hopper 31 is transferred to the pipe 32.
It reaches the agitation layer 30 through the agitation layer 30, and is sent to the fermentation layer 33 while being mixed in the agitation layer 30 with the human waste from the toilet bowl.

(Problems to be Solved by the Invention) In the above-described method in which the fermentation accelerator is fed into the feces by gravity, the fermentation accelerator may become clogged in the pipe and not be supplied when necessary. As a result, fermentation becomes insufficient, the original purpose of fermenting feces cannot be achieved, and the environment deteriorates due to the generation of bad odors.

In view of the above, an object of the present invention is to provide a fecal fermentation accelerator supply device that can supply an appropriate amount of a fermentation accelerator when necessary.

(Means for Solving the Problems) In order to solve the above problems, the fecal fermentation accelerator supply device according to the present invention includes a fermentation layer having an exhaust fan connected to a fermentation layer having an agitation conveyance device via an agitation layer. In a fecal fermentation accelerator supply device attached to a flush toilet, the storage layer of the fecal fermentation accelerator supply device is connected to a feed pipe by a connecting pipe, and the feed pipe is connected to a lower part of the waterless toilet bowl. A spiral screw and a drive device for driving the spiral screw are installed in the feed pipe, and an ellipsoid is obliquely attached to the shaft of the spiral screw below the connecting pipe. A small cylinder with a plurality of protrusions is attached close to the ellipsoid, and a disc body having a plurality of protrusions on the outer peripheral surface that can engage with the protrusions of the small cylinder, and parallel to the axial direction of the spiral screw. The bottom surface of the disk body, which can be rotated up and down and rotated along the outer circumferential surface of the ellipsoid, is in contact with the outer circumferential surface of the ellipsoid, and a rotating shaft is fixed to the disk body in the vertical direction, and the rotating shaft is connected to the above-mentioned connection. The disk body passes through the opening of an oval ring that is supported by the side wall of the tube and has an opening slightly larger than the diameter of the rotating shaft, and above the oval ring and below the storage layer relative to the rotating shaft. It is characterized by having a stirrer installed in a direction parallel to the .

(Operation) The present invention having the above configuration operates as follows.

By rotating the spiral screw,
Above the axial center of the spiral screw, the disc body moves up and down along the outer peripheral surface of the ellipsoid, and the disc body rotates as the protrusions of the disc body and the small cylinder protrusions engage, so that the disc body The fixed rotating shaft also moves up and down while rotating, and the stirrer attached to the rotating shaft also moves up and down while rotating. As a result, the fermentation accelerator put into the storage layer of the fermentation accelerator supply device was sent from the storage layer to the feed pipe via the connecting pipe without causing clogging due to the above movement. The fermentation accelerator is sent to the bottom of the waterless toilet bowl by the rotational movement of the spiral screw, where it becomes one with human waste. After primary fermentation occurs while being stirred in the stirring layer, it is transported to the fermentation layer and fermentation is completed. be done.

(Example) An example of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view, partially in cross section, of a fecal fermentation processing device including a fecal fermentation accelerator supply device of the present invention.

In FIG. 1, 1 is a toilet, 2 is a waterless toilet bowl, and the lower part of the waterless toilet bowl 2 and the end of a cylindrical stirring layer 4 are connected by a connecting tube 3.
7 is a fecal fermentation accelerator supply device, 8 is a storage layer of the fecal fermentation accelerator supply device, and this storage layer 8 is connected to a feed pipe 9.
It is connected to the lower part of the waterless toilet bowl 2 via. A spiral screw 11 is provided in the stirring layer 4, and a drive device 5 for driving the spiral screw 11 is installed on the left side of the stirring layer 4 in the drawing. The stirring layer 4 is slightly inclined with the end where the drive device 5 is installed facing upward. 12 is a connecting cylinder that connects the stirring layer 4 and the fermentation layer 6;
0 is an exhaust pipe connecting the fermentation layer 6 and the exhaust fan 14, and 13 is a control box.

FIG. 2 is a perspective view of the fecal fermentation promoter supply device.

15 is a spiral screw installed in the feed pipe 9; 16 is a drive device for driving the spiral screw 15; 17 is a connecting pipe connecting the reservoir 8 and the feed pipe 9; 18 is a connecting pipe 17; It is an ellipsoid mounted below and obliquely to the central axis of the spiral screw 15. 19 is a small cylinder attached to the shaft of the spiral screw near the ellipsoid, and 20 is a plurality of round bar-shaped projections formed on the small cylinder 19. Reference numeral 21 denotes a disc body which is parallel to the axial direction of the spiral screw 15 and in contact with the outer peripheral surface of the ellipsoid, and a round bar-shaped projection 22 is formed on the outer peripheral surface of the disc body. 23 is a rotating shaft fixed perpendicularly to the disc body 21; 24 is a dragonfly wing-shaped shaft mounted in a direction parallel to the disc body 21 with respect to the rotating shaft 23 at the lower part of the reservoir; In this embodiment, two stirrers are installed. 25 is a lid of the reservoir.

Figure 3 shows the ellipsoid 18, small cylinder 19, disc body 21, rotating shaft 23, and stirrer 24 explained in Figure 2 above.
FIG.

As shown in the figure, the rotating shaft 23 has an oval opening 26 and is supported horizontally by a support member 27 with respect to the connecting pipe 17. street, this opening 26
has a size that allows movement of the rotating shaft 23 in the horizontal direction. Ellipsoid 18, disk body 21, protrusion 22, rotating shaft 23, and stirrer 2 shown by solid lines
4 indicates their current position, and the dotted line indicates the state a little earlier.

The operation of this embodiment configured as described above will be explained below.

The storage layer 8 of the fecal fermentation accelerator supply device is filled with the fermentation accelerator in advance.

When human waste is discharged using the waterless toilet bowl 2 and the operation button (not shown) of the control box 13 is pressed, the drive device 16 of the fecal fermentation accelerator supply device 7 is driven, the spiral screw 15 is rotated, and the spiral screw 15 is rotated. The stirrer 24, which is integrated with the rotating shaft 23, also moves up and down while rotating with the disk body 21 that moves up and down while rotating along the outer peripheral surface of the ellipsoid 18 above the axial center of the screw. A predetermined amount of the fermentation accelerator is sent from the storage layer 8 to the feed pipe 9 via the connecting pipe 17 by the movement of the stirrer, and further sent to the lower part of the waterless toilet bowl 2 by the rotation of the spiral screw 15, where it is fed. The fermentation accelerator mixed with human waste passes through the connecting tube 3 and reaches the stirring layer 4. The drive device 16 is adapted to automatically stop when a predetermined amount of fermentation accelerator is supplied. The role of the fermentation accelerator is to adjust the moisture content, as a medium for pulverizing waste, and as a place for microorganisms to live. Sawdust is preferable as it fully fulfills these functions, but materials such as rice hulls, beans, and rice straw can also be used as substitutes. is possible.

Since the driving device 5 is also driven by the operation of the above-mentioned operation button, the spiral screw 11 rotates and the fermentation accelerator and human waste are sufficiently mixed and stirred in the stirring layer 4. In the stirring layer 4, microorganisms, appropriate moisture,
Decomposition and fermentation of human waste is carried out by air, etc. There are two types of fermentation: aerobic fermentation and anaerobic fermentation.
Aerobic fermentation is a fermentation method performed by microorganisms that requires enzymes in the process of decomposing organic matter, and is an oxidation reaction. Anaerobic fermentation is a fermentation method using microorganisms that prefer anaerobic conditions, and is a reduction reaction that does not require oxygen during the reaction. When anaerobic fermentation is performed, the substrate (organic matter that serves as food for microorganisms) is gasified, so the amount of waste generated is small, but the gas generated is a source of bad odors. Therefore, it is necessary to create conditions that will prevent anaerobic fermentation, and the most important of these conditions is the water content. When there is too much water, aerobic microorganisms become less active and anaerobic microorganisms become more active. Furthermore, if the water content is low, the fermentation action will not be promoted sufficiently. The appropriate moisture content that satisfies the above conditions is about 60%, and the role of sawdust as a fermentation accelerator is to adjust this moisture content. Therefore, preferable fermentation is carried out by supplying the necessary amount of sawdust with an appropriate degree of dryness each time defecation occurs. It is desirable that the moisture content of this sawdust be low (about 7%), but if sawdust with a high moisture content is used, for example sawdust with a moisture content of about 15%, it will clog the connecting pipe 17 and be fed by gravity from the storage layer 8 to the feed pipe. However, by using the device according to the present invention, even sawdust with a moisture content of 40% could be smoothly sent from the storage layer 8 to the feed pipe 9.

In order to help the aerobic microorganisms work, the exhaust fan 14 is constantly operating, and outside air is always taken into the stirring layer 4 from the waterless toilet bowl 2. The stirring layer 4 is slightly inclined so that the part connected to the connecting tube 3 is on the lower side and the part connected to the fermentation layer is on the upper side. By doing so, it is possible to prevent organic waste and the like from being discharged into the fermentation layer before sufficient stirring is performed.

The waste that has passed through the stirring layer 4 is sent to the fermentation layer 6 via the connecting tube 12. The driving device 5 for the stirring layer 4 is configured to automatically stop after a predetermined period of time has elapsed.
As human waste undergoes primary fermentation within the stirring layer,
It has already become an organic substance with no human waste odor. Since the gas in the fermentation layer 6 is constantly exhausted by the exhaust fan 14, the weathering of the organic matter in the fermentation layer is promoted and the organic matter is aged into compost (organic fertilizer).

Next, the operation of the fermentation accelerator supply device 7 will be explained based on FIGS. 2 and 3.

When the operation button on the control box is pressed, the drive device 16 is activated and the spiral screw 15 is activated.
rotates. Along with this rotation, the disc body 21 moves to the ellipsoid 1 above the central axis of the spiral screw.
8 and rotates when the protrusion 22 of the disc body 21 engages with the protrusion 20 of the small cylinder 19, so the rotating shaft 23 vertically fixed to the disc body 21 also moves up and down. This rotating shaft 2
The stirrer 24 attached to 3 also moves up and down while rotating. Therefore, the fermentation accelerator in the lower part of the storage layer 8 is scraped out from the connecting pipe 17 toward the feed pipe 9 by the above-mentioned movement of the stirrer. If the spiral screw 15 further rotates in the direction of the arrow in the state shown in FIG. 3, the disc body 21 will descend and pivot to the right. As the rotating shaft 23 rotates up and down, the fermentation accelerator in the center of the connecting pipe 17 is also sent toward the feeding pipe 9.

Due to the above action, the fermentation accelerator is supplied to the feed pipe without clogging. Drive device 16
is designed to automatically stop when a predetermined amount of fermentation accelerator is fed. The above operation is performed each time the user needs to use the errand.

(Effect of the invention) The fecal fermentation accelerator supply device according to the invention generates a circle that moves up and down while rotating along the circumferential surface of the ellipsoid in response to the rotational movement of the ellipsoid obliquely attached to the spiral screw. It has a simple structure in which a stirrer attached to a rotating shaft fixed to a plate rotates up and down to supply fermentation accelerator, so it is less likely to malfunction and can reliably supply fermentation accelerator without clogging. It can effectively promote the fermentation of human waste.

[Brief explanation of the drawing]

Fig. 1 is a side view with a partial cross section of a fecal fermentation processing device including the fecal fermentation accelerator supply device of the present invention, Fig. 2 is a perspective view of the fecal fermentation accelerator supply device, and Fig. 3 is an ellipsoidal, small FIG. 4 is a side view of a conventional fecal fermentation device, which is an enlarged view of the motion transmission mechanism portions such as the cylinder, disc, rotating shaft, and stirrer. 1... Toilet, 2... Waterless toilet bowl, 3... Connection tube, 4... Stirring layer, 5... Drive device, 6... Fermentation layer, 7... Fecal fermentation accelerator supply device, 8... Storage layer, 9...Feed pipe, 10...Exhaust pipe, 11...Spiral screw, 12...Connection pipe, 13...
Control box, 14...Exhaust fan, 1
5... Spiral screw, 16... Drive device, 17... Connection tube, 18... Ellipsoid, 19...
Small cylinder, 20...Protrusion, 21...Disc body, 22...
... Protrusion, 23 ... Rotating shaft, 24 ... Stirrer, 25
... Lid, 26 ... Opening, 27 ... Supporting member, 2
8...Oval ring, 29...Washless toilet bowl,
30... Stirring layer, 31... Compost fermentation accelerator charging hopper, 32... Pipe, 33... Fermentation layer.

Claims (1)

[Scope of Claim for Utility Model Registration] A fecal fermentation accelerator supplying device attached to a waterless flush toilet connected to a fermentation layer having an exhaust fan via an agitation layer having an agitation conveyance device, which supplies the fecal fermentation accelerator. The reservoir of the device is connected to a feed pipe by a connecting pipe, and the feed pipe is connected to the lower part of the waterless toilet bowl, and the feed pipe has a spiral screw and a drive for driving the spiral screw. A device is installed inside the spiral screw, and an ellipsoid is obliquely attached to the shaft of the spiral screw below the connecting tube, and a small cylinder with a plurality of protrusions is attached adjacent to the ellipsoid. A disc body having a plurality of protrusions on its outer circumferential surface that can engage with the protrusions of the cylinder, and the bottom surface of the disc body can be rotated up and down and rotated along the outer circumferential surface of the ellipsoid parallel to the axial direction of the spiral screw. an oval ring that is in contact with the outer circumferential surface of the ellipsoid, has a rotating shaft vertically fixed to the disk body, the rotating shaft is supported by the side wall of the connecting pipe, and has an opening slightly larger than the diameter of the rotating shaft; Fecal fermentation accelerator supply, characterized in that a stirrer is installed in a direction parallel to the disc body with respect to the rotating shaft above the oval ring and at the bottom of the storage layer through the opening. Device.