JP2000246211A - Decomposition treatment apparatus for waste organic substance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a treatment capacity by agitating/moving-around/conveying in the opposite direction by outside agitation blades arranged to keep constant intervals between adjacent blades moving in the circumferential direction along a spire concentric with a rotary shaft and inside agitation blades. SOLUTION: Outside agitation blades 11, 11A and inside agitation blades 12, 12A are fitted to a front side agitation part A1 and a rear side agitation part A2 respectively to convey in the opposite direction. A lot of blades 11, 11A are fixed concentrically to a rotary shaft 10, and the adjacent blades 11, 11A are arranged at constant intervals along a prescribed spire. Saw dust and excrement in a tank 3, while being agitated/mixed locally, are moved around/ conveyed in the opposite directions to each other by the inside and outside agitation blades 11-12A. Accordingly, a treated materials in the tank 3 are mixed while being moved around/conveyed from both end parts to the middle and treated efficiently.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to human and livestock manure,
More particularly, the present invention relates to a decomposition apparatus for decomposing organic waste such as garbage, and more particularly, to a decomposition apparatus used for toilets for nursing care, temporary use, pets, and the like, and garbage disposal for general houses to business use.

[0002]

2. Description of the Related Art In order to treat waste organic matter such as human waste and livestock excreta and garbage, a device has been developed which introduces excreta and creatures into sawdust and stirs both the sawdust and excrement with microorganisms to decompose and treat the same. Have been. This device is used for nursing care toilets used by the elderly and handicapped, as temporary toilets temporarily installed for various events and emergency disasters, and widely used for general household to business use garbage disposal. It is used, does not require the use of water and does not smell, and the decomposed product of manure and garbage can be effectively used as compost and soil improvement material.

[0003] In the current apparatus, the processing capacity is insufficient in terms of the decomposition processing capacity per day. In view of this, the present inventor has proposed a processing apparatus in which the stirring and mixing efficiency of sawdust and manure and the activation of microorganisms and the decomposition processing ability are improved with respect to this decomposition processing ability.
No.-115220, which resulted in a processing apparatus exhibiting extremely high processing performance.

[0004]

The object of the present invention is to improve the efficiency of stirring and mixing of sawdust and manure and the activation of microorganisms, and to provide an apparatus for decomposing organic waste, which has an extremely excellent decomposition processing ability. Is to provide.

[0005]

The present invention employs the following technical means to achieve the above object.

The technical means according to the first aspect of the present invention is that a rotating shaft that can be driven and rotated by a driving unit is horizontally installed in a treatment tank having an opening into which organic waste enters, and the rotating shaft is provided with a rotating shaft. A stirrer is provided for transporting the organic waste together with the sawdust in the direction along the axis of rotation in the treatment tank along with the rotation, and agitating the organic waste. With an inner stirring blade located at
Both blades are configured so that organic waste can be cyclically conveyed in the opposite direction inside and outside along the axis of rotation together with sawdust locally and internally and externally along the axis of rotation. Are arranged along a spiral that is concentric with the axis of the blade and at a fixed interval between the blades adjacent in the circumferential direction.

According to a second aspect of the present invention, both ends of the outer agitating blade are formed as cutting sections for cutting waste organic matter in the processing tank with the driving rotation of the shaft.

According to a third aspect of the present invention, the stirring unit is configured to be conveyable in a direction opposite to a desired portion of the rotating shaft.

According to a fourth aspect of the present invention, a scraping portion is provided at both ends of the rotation axis so as to rub the inner surface of the processing tank facing the portion.

In the present invention, the revolving transport unit for stirring and transporting the waste organic matter and sawdust and the rotating shaft integrated with the revolving unit are either in a mode of rotating in one direction or in a mode of rotating repeatedly in reverse. In particular, in the latter case, the stirring efficiency is high and effective.

As an arrangement of the outer stirring blade and the inner stirring blade, for example, at least two or more inner and outer stirring blades are arranged in one spiral pitch, and these are continuously arranged along the rotation axis. Is mentioned. As a result, most of the waste organic matter and sawdust are circulated and mixed in each pitch while being stirred, and are then gradually transferred from the space between the blades to the adjacent pitch. Also,
The inner and outer stirring blades may be formed as spirals having at least one pitch or more, and the spirals may be continuous along the rotation axis. As a result, the waste organic matter and sawdust are circulated and transported in each spiral, and a part of the waste organic matter and sawdust is pushed out by the ends of the inner and outer stirring blades and transported into the adjacent spirals. Therefore, the organic waste can be cyclically transported along with the sawdust locally in the opposite direction along the rotation axis while traveling round the entire processing tank.

The scraping portion may be formed integrally with the rotating shaft, the outer stirring blade or the inner stirring blade, or may be formed integrally with another member.

[0013] The treatment tank may be provided with a heating element with a temperature sensor that works to increase the decomposition treatment efficiency by maintaining the temperature in the tank at around 40 ° C where microorganisms live actively. This heating element is provided in order to promote the activation of microorganisms in a cold region where microorganisms are in a state of asphyxia at approximately 13 degrees or less, but is not necessarily required in a warm region of 13 degrees or more. .

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 3 show an assembly toilet 1 mainly used for temporary use of a waste organic matter decomposition treatment apparatus according to the present invention. The example used is shown.

In the assembled toilet 1, a manure decomposition treatment tank 3 is provided on a floor 2 in the room, and a lid 4 of the treatment tank is provided.
A valve seat 6 is arranged above the opening 5 opened on the front side,
An exhaust pipe 7 and an inspection lid 8 are provided behind the lid 4. The exhaust pipe 7 communicates the inside of the manure decomposition treatment tank 3 with the outside of the assembled toilet 1, and an exhaust path from the room to the outside through the inside of the tank by a fan (not shown) operated by a motor (not shown). The room is ventilated by securing the space.

A rotary shaft 10 that can be driven and rotated by a motor 9 is installed horizontally in the manure decomposition treatment tank 3, and the manure is removed together with sawdust in the treatment tank with the rotation of the shaft. A stirrer A is provided which is conveyed along the rotation axis to stir.

As shown in FIG. 1, the stirrer A comprises a front stirrer A1 and a rear stirrer A2 with a central portion of the processing tank as a boundary, and is adapted to convey in opposite directions.

The front stirring section A1 and the rear stirring section A2 are respectively provided with a plurality of outer stirring blades 11... 11, 11A.
And the inner stirring blades 12...
12A... 12A.

Outer stirring blades 11 ... 11, 11A ... 1
1A are supported by a plurality of radial support rods 13... 13 concentrically fixed to the rotating shaft 10 respectively.
As shown in (1), along the spirals S, S1 which are concentric with the axis of the rotating shaft 10 and are opposite to each other, the blades are arranged at a fixed interval between the blades adjacent in the circumferential direction. The outer stirring blades 11... 11 and 11A.
It is arranged in a spiral of 25 pitches. Specifically, the outer stirring blades 11 and 11A located at the center are
The size of the pitch, and other outer stirring blades 11
.., 11A... 11A have a size of 0.25 pitch, and the intervals between the blades are arranged at intervals of 0.25 pitch. Two sheets are provided for each pitch. As a result, the sawdust and manure can be transported from the center to both ends while being locally stirred and mixed for each pitch.

Outer stirring blades 11 ... 11, 11A ... 1
Both ends of 1A are cut sections 14... 14 and 14A... 14A for cutting stool or toilet paper to make it finer or forcibly leading it into sawdust.

[0021] Inner stirring blades 12 ... 12, 12A ... 1
2A are each formed in a blade shape and fixed along the longitudinal direction of the support rod 13, and the outer stirring blades 11.
1, 11A... 11A are inclined so as to be conveyed in a direction opposite to the conveying direction. This inclination angle is opposite to the right inclination and the left inclination, and the outer stirring blades 11.
As in the case of 1, 11A... 11A, sawdust and manure in the tank are transported from both ends to the center while being locally stirred and mixed.

Thus, while the sawdust and manure are locally stirred and mixed in each pitch, and while being transported and circulated,
The whole of the front-side stirring section A1 and the rear-side stirring section A2 are stirred and mixed, and can be transported round.

The outer stirring blades 1 in the front stirring section A1 and the rear stirring section A2 located at both ends of the rotating shaft.
At the ends of 1, 1A, scraping portions 15, 15A are formed so as to be slidable along the inner side surface portion 31 of the processing tank, and are conveyed forward in the tank by outer stirring blades 11, 11A. The sawdust and manure pressed against the inner surface are scraped off by the scrapers 15 and 15A.

Further, the manure decomposition treatment tank 3 is provided with a heater 31 and a temperature sensor 32 capable of heating and keeping the temperature in the tank around 40 degrees at which microorganisms actively inhabit. By maintaining the temperature around the degree, the decomposition process is operated with the best efficiency.

By the excrement processing tank 3 thus configured, the excrement entering the processing tank is stirred with the sawdust in the continuously rotating stirring section A under the driving force of the motor 9. In this stirring state, the excrement is changed to the front stirring section A just below the opening.
In one pitch, the outer stirring blade 11 and the inner stirring blade 12 stir while transporting and circulating. Also,
The stool and toilet paper are gradually cut into small pieces while being cut or hooked by the cutting section 14 and guided into the sawdust.

The sawdust and manure conveyed and circulated in the pitch are gradually pushed out into the adjacent pitch from between the inner and outer stirring blades, and are pulled by the inner and outer stirring blades in the pitch. Move. When this is repeated, manure and sawdust are stirred and mixed in the entire front stirring section A1, and further, when the manure and sawdust in the front stirring section A1 are turned back from the center,
In the central portion, the sawdust is mixed with the sawdust in the rear stirring section A2, gradually moves to the rear stirring section A2, and is stirred and mixed in the stirring section while being transported and circulated in the same manner as the front stirring section A1.

That is, most of the excrement and the sawdust are locally concentrated and agitated and mixed, and then the agitated and mixed material is gradually transported and circulated along the direction of the rotation axis, and the range is gradually widened. Is transported and circulated in the entire agitating section A and agitated and mixed, so that the microorganisms can be decomposed and deodorized extremely efficiently. Further, the stool or toilet paper is cut by the cutting sections 14 and 14A, or the stool or toilet paper is cut and forcibly guided into the sawdust, so that the mixing of manure and sawdust is made more efficient.

In the above-described embodiment, the description has been made of the manure decomposition treatment tank 3 having one stirring section A. However, as shown in FIGS. 4 and 5, the two stirring sections A, A are arranged in parallel. May be used as the manure decomposition treatment tank 3 '. In the case of the manure decomposition treatment tank 3 'having such a configuration, since the treatment tank is wider in the width direction than the above-described manure decomposition treatment tank 3, the height of the treatment tank can be reduced by the amount of the spread. it can. That is, as shown in the figure, the height of the treatment tank can be adjusted to the optimum height for the nursing toilet 1 'used by the handicapped and the elderly, which is extremely effective in responding to recent barrier-free use. The description of the same parts as those in the above-described example will be omitted.

Further, as shown in FIGS. 6 and 7, the manure decomposition treatment tank 3 'having such a configuration is extremely suitable for use in a pet toilet 1''used indoors. That is, even if it is not clear where the excreta is excreted in the toilet like a dog or a cat, the efficiency is not reduced because most of the excrement is locally stirred and mixed, and the excrement area can be secured widely.

Incidentally, the pet toilet 1 '' will be described. A box 20 having a log house-like appearance and having an entrance 21 at the front is installed above the excrement treatment tank 3 '. A leading slope 22 is provided.

The box 20 is provided with a sensor 23 that is wired to the motor 8 and senses when a dog or cat enters the toilet and stops the operation of the motor 8. When it comes out, the motor 8 is
Is activated, and the agitating sections A, A are activated. Reference numeral 24 denotes an air window for ventilating the inside of the toilet.

The slope 22 is formed in a net shape so as to drop sawdust attached to dog and cat feet. A receiving portion 25 for receiving dropped sawdust is provided below the slope 22 so that the sawdust is not scattered in the room. The description of the same parts as those in the above-described example will be omitted.

Although the present embodiment has been described as an apparatus for decomposing manure, it is also possible to use an apparatus for decomposing garbage not only for manure. When this decomposition apparatus is used for garbage, most of the garbage and sawdust are locally concentrated and mixed by stirring, and cut by a cutting unit to be finely divided. It is extremely efficient when processing garbage that contains more stiffness than toilet paper.

[0034]

The decomposition apparatus according to the present invention has the following effects as described above.

Most of the waste organic matter is locally stirred and mixed with the sawdust, and the area is gradually widened little by little along the direction of the rotation axis, and finally conveyed around the entire processing tank. It can be expected to improve the efficiency of activating microorganisms. Moreover, since the resistance of the agitating section to sawdust is small, the cost of electricity is reduced, which is extremely economical.

In addition, according to the second aspect, the waste organic matter is cut or forcibly guided into the sawdust, so that it is expected that the efficiency of the stirring and mixing and the activation of microorganisms are further improved.

Further, according to the third aspect, the sawdust and the waste organic matter in the treatment tank can be uniformly stirred.

Further, according to the present invention, the circulation stirring efficiency of sawdust and waste organic matter can be improved.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing an apparatus for decomposing waste organic matter of the present invention assembled in a toilet.

FIG. 2 is a sectional view taken along line (2)-(2) of FIG. 1;

FIG. 3 is a perspective view of a stirring unit.

FIG. 4 is a cross-sectional plan view showing another example of the decomposition processing apparatus.

FIG. 5 is a sectional view taken along line (5)-(5) of FIG.

FIG. 6 is a longitudinal sectional side view showing the waste organic matter decomposition treatment apparatus of the present invention assembled to a pet toilet.

FIG. 7 is a sectional view taken along line (7)-(7) of FIG. 6;

[Explanation of symbols]

1: Assembled toilet 1 ': Nursing care toilet 1'': Pet toilet 3, 3': Manure decomposition treatment tank (treatment tank) 5: Opening 10: Rotating shaft 11, 11A: Outer stirring blade 12, 12A: Inside Stirring blades 14, 14A: Cutting part 15, 15A: Scraping part A: Stirring part A1: Front stirring part A2: Rear stirring part S, S1: Spiral

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) A47K 11/02 C02F 11/02 C02F 11/02 B09B 3/00 ZABD F-term (Reference) 2B101 AA01 AA13 CB07 2D036 BA33 CA02 CB03 CB05 4D004 AA02 AA03 AC01 AC04 BA04 CA15 CA19 CA22 CB02 CB28 CB32 DA01 DA02 DA06 4D059 AA01 AA07 BA01 BA56 BJ03 BJ07 BK11 CB18 CC01 CC10 DB33 EA06 EB06

Claims (4)

[Claims] 1. A rotating shaft that can be driven and rotated by a drive unit is horizontally installed in a processing tank having an opening through which organic waste enters, and the rotating shaft is rotated in the processing tank by rotation of the shaft. A stirrer that stirs the organic waste together with the sawdust while transporting the same in the direction along the rotation axis.The stirrer includes a plurality of outer stirring blades and an inner stirring blade located inside the stirring blades. Having both blades, the organic waste together with sawdust can be transported inside and outside the entire processing tank while being locally transported in the opposite directions inside and outside along the rotation axis, and the outer stirring blade A waste organic matter decomposition treatment apparatus, which is disposed along a spiral having a center concentric with the axis of a rotating shaft and at a fixed interval between blades adjacent in the circumferential direction. 2. The waste organic matter decomposition treatment apparatus according to claim 1, wherein both ends of the outer stirring blade are cut portions for cutting waste organic matter in a treatment tank in accordance with driving rotation of the shaft. 3. The waste organic matter decomposition treatment apparatus according to claim 1, wherein the stirring section is configured to be able to be conveyed in a direction opposite to a desired portion of the rotating shaft. 4. The waste organic matter according to claim 1, wherein scraping portions are provided at both end portions of the rotation axis so as to rub the inner surface of the processing tank facing the portion. Decomposition equipment.