JPH0859381A - Fermenting machine and domestic animal dung fermentation treating equipment - Google Patents

Abstract

PURPOSE: To improve agitating efficiency by composing a fermenting machine of a moving stand which is movable back and forth on pit rails and a conveyor which has feeding pawls and raking members mounted at chains extended between a driving shaft and a driven shaft. CONSTITUTION: The fermenting machine consisting of the moving stand 1 and the conveyor 2 as its constituting elements is arranged on the compost in a pit and the moving stand 1 is made to travel by itself to drive the conveyor 2. The compost is leveled by the feeding pawls 4 mounted at the driven shaft 2c of the conveyor 2 which is supported at one end of the frame on the moving stand 1 and is arranged with the other end diagonally downward so as to exist near the base of the pit. The leveled compost is raked by the raking members 3 mounted at a pitch on the plural chains 7 extended between the driving shaft 2b and the driven shaft 2c and is moved and transported onto the conveyor 2. The compost is then dropped into the pit from the driving shaft 2b side in the turn back position of the conveyor 2, by which the sufficiently agitated and turned compost is obtd.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer for reducing livestock manure including chicken manure and organic industrial waste to a uniform fertilizer, and a livestock manure fermentation treatment facility using the fermenter.

[0002]

2. Description of the Related Art In recent years, fermenters for reducing livestock manure, vegetable scraps, and the like into fermented organic fertilizers have become popular. Fermentation here means, for example, in the case of livestock excrement, it means that the organic matter contained in the excrement is decomposed by bacteria and composted to be converted into an organic fertilizer having a uniform component. Moisture, oxygen supply, temperature, etc. are the main elements for efficiently fermenting the urine animal manure, and the water content of the animal manure until completely fermented is adjusted and the temperature is controlled. Since a large amount of oxygen is required for the growth of bacteria, the fermenter automates the work of stirring and cutting back the accumulated animal excrement and supplying oxygen sufficiently to promote fermentation.

Various methods have been realized for this stirring and turning, and fermenters of various configurations are adopted according to the methods. FIG. 10 shows the configuration of a general fermenter.
As shown in FIG. 11, while rotating the stirring and mixing claw 51 attached along the axis of the rotary shaft 50, a screw type one that runs on the pit rail 52 to stir the compost, or as shown in FIG. , Pit rail 5
There is known a bucket conveyor type in which the manure is scooped up into a bucket while traveling on top of the 3 to stir the compost.

[0004]

However, in the conventional fermenter of the screw type, the stirring and mixing claws are widely spaced so that the stirring efficiency is low, and the compost cannot be stirred up to the bottom of the pit so that the compost is completely ripened. Was not enough for. In addition, although the bucket conveyor type has high stirring efficiency, there is a problem that the bucket comes into surface contact with the compost and the feces stick to the inside of the bucket, and the frying amount decreases, and in addition, the load when scooping the compost is large. ,
Therefore, there has been a problem that a high horsepower is required and the scale of the apparatus is increased. Furthermore, there is a problem in that a site dedicated to the manure fermentation processing must be secured.

In consideration of the above-mentioned problems of conventional fermenters, the present invention provides a fermenter having a high stirring efficiency and a small size, and at the same time, the site can be effectively used and pollution-free livestock manure fermentation can be achieved. The purpose is to provide processing equipment.

[0006]

[Means for Solving the Problems] The first aspect of the present invention is, in a fermenter for agitating the compost while self-propelled on the compost stored in the pit, a movable platform capable of reciprocating on a pair of pit rails. And a conveyor that is supported diagonally downward from the moving pedestal such that one end of the frame is supported by the moving gantry and the other end is located near the bottom surface of the pit, and the conveyor is one end of the frame. And a drive shaft and a driven shaft provided at the other end, a plurality of chains that are stretched between the drive shaft and the driven shaft and circulate in parallel between the two shafts, and a predetermined number along each winding direction for each chain. Is a fermenter composed of a scoop member attached at a pitch of 1 and a cutout claw attached between adjacent chains on a driven shaft.

A second aspect of the present invention is a fermenter for stirring compost while self-propelled on the compost stored in a pit,
A movable gantry that can reciprocate on a pair of pit rails, one end of the frame is supported by the movable gantry, and a conveyor arranged diagonally downward from the movable gantry so that the other end is located near the pit bottom surface, The conveyor is equipped with a cleaning mechanism for the conveyor, and the conveyor is stretched between the drive shaft and the driven shaft and the drive shaft and the driven shaft at one end and the other end of the frame, and circulates in parallel between the both shafts. A plurality of chains, a floating sprocket provided on a frame near the driven shaft to increase the tension of the chain, a scooping member attached at a predetermined pitch along the winding direction for each chain, and adjacent to each other on the driven shaft. The cleaning mechanism is composed of a cutting claw attached between the chains, and the cleaning mechanism is a rewinding prevention rod that prevents the compost placed on the rake member from returning back at the drive shaft. Is an elastic rod scraping to detach from the member rake compost, fermentation machine composed.

As an example of the scooping member used in the present invention, a plate-shaped piece having an L-shaped cross section and a plurality of rod-shaped branches provided so as to project from the plate-shaped piece in a direction perpendicular to the chain winding direction. A rake member used in the second invention is provided so as to project from the plate-like piece in a direction perpendicular to the chain winding direction from the plate-like piece. It is preferable to use the one composed of a plurality of rod-shaped branch members.

[0009] In the present invention, it is preferable to attach a normal claw or a claw for cutting out the compost accumulated at the corners in the width direction of the pit to both axial ends of the driven shaft. In the present invention, the conveyor is preferably swingable so that it can be stored in the gantry.

In the present invention, a second conveyor is provided which conveys the compost which is folded back and dropped to the rear of the conveyor and drops it into the pit so that the compost which is folded back from the drive shaft of the conveyor does not return to the tip of the conveyor. It is preferable to equip the mobile frame.

A third aspect of the present invention is a pit for storing compost and the first or second aspect arranged on the pit rail.
In the form of a fermenter, a sludge-shaped excretory floor above the fermentor, a ventilation system for ventilating the pit, and a vapor containing ammonia that is emitted from the pit when stirring the compost. And a water injection means for preventing the emission of odor and also for reinforcing the water content.

[0012]

In the fermenter according to the first aspect of the present invention, when the conveyor is driven and the moving base self-propels on the pair of pit rails, the cutting claws attached to the driven shaft cut the compost, and the cut compost is cut. Is scooped by a scooping member independently attached to each chain, moved and conveyed on the conveyor, and dropped into the pit from the drive shaft side, which is the folding position of the conveyor. As a result, the compost accumulated in the pit can be sufficiently stirred and cut back to reach the bottom of the pit.

In the fermenter according to the second aspect of the present invention, the compost for folding back the conveyor drive shaft is efficiently separated from the scoop member of the conveyor by the cleaning mechanism, and the tension of the chain is increased by the floating sprocket. Since the chain does not roll, the compost can be cut down smoothly. Therefore, even bulky compost containing fibers such as straw and grass can be surely stirred.
In addition, the fermenter provided with the second conveyor prevents the scooped-up compost from returning to the tip of the conveyor, so that the stirring efficiency is improved.

In the livestock manure fermentation treatment equipment of the third aspect of the present invention,
The fermenter is configured to move within the limited space above the pit and below the floor for excrement in the barn, so the site can be used effectively, and the water injection means prevents the emission of foul odors, thus causing no pollution. A livestock barn can be constructed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the drawings. 1 to 5 show an embodiment of a fermenter according to the first present invention, and FIG. 1 is a front view showing the configuration of the fermenter. In the figure, the fermentor is for stirring the compost while self-propelled on the compost stored in the pit P, and has a grid-shaped moving platform 1 that can reciprocate on a pair of pit rails PR, One end of the frame is supported by the movable pedestal 1, and the other end is positioned diagonally downward from the movable pedestal 1 so that the other end is located in the vicinity of the pit bottom surface PB.
a a plurality of driving shafts 2b and driven shafts 2c which are respectively supported at one end and the other end, and a plurality of which are stretched between the driving shafts 2b and 2c and circulate in parallel between the two shafts 2b and 2c. Book chains 3, scooping members 3a attached to each chain 3 at a predetermined pitch along the circumferential direction, and arranged in a row along the axial direction of the drive shaft 2b, and adjacent to each other on the driven shaft 2c. It is mainly composed of a cutout claw 4 attached between the chains 3.

The structure of each unit will be described in detail below. FIG.
In addition, in FIG. 2 (plan view of FIG. 1), the movable gantry 1 has a front axle 5a pivotally supported by its front leg 1a, and both ends of the front axle 5a are on the track of the mountain pit rail PR. It is equipped with a casting front wheel (hereinafter simply referred to as front wheel) 5b having a triangular groove for traveling. Further, it has a rear axle 6a pivotally supported by the rear leg portion 1b, and rear wheels 6b also traveling on the pit rail PR are provided at both ends of the rear axle 6a. The front axle 5a further outside the front wheel 5b has a sprocket 5c, and the rear axle 6 further outside the rear wheel 6b.
A sprocket 6c is attached to each a, and a chain 7 is stretched around these sprockets 5c and 6c.

Driving force is applied to the front wheels 5b by a traveling motor 8 housed in the movable mount 1 and a gear box 9 connected to the rotation shaft thereof, and for the rear wheels 6b, from the sprocket 5c to the chain 7. The driving force is transmitted to the sprocket 6c via the.
By switching the gears in the gear box 9 to rotate the motor in the normal direction or in the reverse direction, the movable gantry 1 can be moved forward in the arrow A direction or moved backward in the arrow B direction. Note that FIG.
Reference numeral 9a is an output shaft of the gearbox 9, and 9b is a sprocket fixed to the front axle 5a, both of which are connected by a chain.

In FIG. 2, a shaft 10 is axially supported in the lateral direction near the center of the moving base 1, and wires 11a and 11b for raising and lowering the conveyor 2 are wound around the shaft 10. Rolls 10a and 10b for unwinding are attached. Further, the shaft 10 is provided with a sprocket 10c, and the sprocket 10c is connected to a rotary shaft 11c of a conveyor lifting motor 11 stored in the movable mount 1 via a chain 12.

Further, another sprocket 10d is fixed to the shaft 10, and this sprocket 10d is connected to a shaft 14a of a conveyor up / down detection switch 14 via a chain 13. That is, the ascending / descending amount of the conveyor 2 is replaced with the rotation amount of the shaft 10 and detected by the conveyor ascending / descending detection switch 14, and when the conveyor 2 is completely stored in the movable gantry 1 and at the tip of the conveyor 2. When the parts reach the vicinity of the bottom surface PB of the pit, signals are output to stop the driving of the conveyor lifting motor 11. The conveyor up / down detection switch 14 can be composed of a limit switch or the like. Reference numeral 1c in FIG. 2 is a reinforcing frame that supports the shaft 10.

A drive shaft 2b is rotatably supported in the lateral direction near the rear side of the movable base 1, and the conveyor 2 is oscillatably supported by the drive shaft 2b as a rotation shaft.
As shown in FIG. 1, the conveyor 2 includes a pair of vertical frames 2a extending in parallel from a drive shaft 2b and a horizontal frame 2 for connecting and reinforcing the frames 2a in a ladder shape.
The vertical frame 2a has a frame body, and a driven shaft 2c is axially supported at the tip of the vertical frame 2a in parallel with the horizontal frame 2d. The conveyor 2 can change the inclination angle according to the depth of the compost stored in the pit P and the type of the compost.

As shown in FIG. 3, the drive shaft 2b and the driven shaft 2c are stretched in parallel with a plurality of chains 3 which circulate in mesh with sprockets fixed to the shafts 2b and 2c. ing. In this embodiment, nine chains 3 are stretched in parallel at a pitch of 154 to 208 mm, and a scooping member 3a is attached to each chain 3 at a predetermined pitch.

As shown in FIG. 4, the scooping member 3a has a plate-like piece 3b having an L-shaped cross section, and three bar-shaped branch members 3c projecting in a fork shape in a direction perpendicular to the traveling direction of the chain 3. The rake member 3a having such a shape is fixed to the fitting 3f of the chain 3 by using the bolt 3d and the nut 3e. However,
In order to adjust the height of the plate-shaped piece 3b, two nuts 3e are sandwiched between the bottom surface and the upper surface of the mounting fitting 3f.

As described above, the scooping member 3a is not an L angle integrally extending along the axial direction of the drive shaft 2b as in the prior art, nor is it a container-shaped bucket, and is attached independently to each chain 3. Since the discontinuous "scooping" is performed, the load when scooping the compost is extremely small, so that the conveyor driving motor 16 can be configured with a small output.

Further, between adjacent chains 3 on the driven shaft 2c, cutout claws 4 which are curved and extend in two directions with respect to the diametrical direction of the driven shaft 2c are fixed, and further, both end portions of the driven shaft 2c are fixed. Each of them is provided with a ratchet 15 for cutting out the compost accumulated in the widthwise corner of the pit P, and the driven shaft 2c is adapted to rotate in the arrow E direction (see FIG. 1).

In FIG. 2, the conveyor 2 is configured to be driven by a conveyor driving motor 16 stored in the movable mount 1. More specifically, the rotational force of the conveyor driving motor 16 is from the rotating shaft 16a. Chain 17
Is transmitted to the inner sprocket 18a of the shaft 18 through the chain, and is further transmitted from the outer sprocket 18b of the shaft 18 through the chain 19 to the sprocket 20 of the drive shaft 2b.
Is transmitted to Reference numeral 21 in the drawing is a tension gear.

Reference numeral 22 is a second conveyor for transporting the compost scooped up by the conveyor 2 rearward from the drive shaft 2b of the conveyor 2 and dropping it into the pit P, which is approximately the inner width of the movable gantry 1. It has a long caterpillar surface that extends over the entire length, and is adapted to be supplied with a driving force from the sprocket 23 of the drive shaft 2b through the chain 24 and the sprocket 25 so as to move in the arrow F direction.

Above the front side of the second conveyor 22,
As shown in FIG. 5, the frame 2 is arranged in the lateral direction of the movable base 1.
6 is attached to the frame 26, and three rubber columns 27 are erected upright on the frame 26. This rubber column 27 is for scraping off the compost adhering to the rake member 3a which is folded back at the position of the drive shaft 2b.

The operation of this embodiment having the above configuration will be described below. In the explanation, it is premised that the conveyor 2 is arranged obliquely downward and is in the pit P, and the compost is stored in front of the moving gantry 1.

When the moving frame 1 is self-propelled in the direction of arrow A while the conveyor driving motor 16 is energized and the conveyor 2 is being driven, first, the rotating cutting claws 4 move the compost on its side surface. The nail claws 15 are cut off from the compost, and the compost remaining in the corner of the pit P is cut out and discharged.
The compost crushed in this way is hooked by the rod-shaped branch member 3c of the scooping member 3a and placed on the plate-shaped piece 3b. The compost placed on the scooping member 3a climbs on the conveyor 2 in the direction of arrow C, falls when folded back by the drive shaft 2b, and is placed on the second conveyor 22. Further, at this time, the compost attached to the scooping member 3a is scraped off by the rubber columns 27, moved in the direction of the arrow D in the cleaned state, and prepared for the next stirring and turning.

The second conveyor 22 conveys the compost in the direction of the arrow F and drops the compost into the pit P from the trailing edge thereof.
The compost that has fallen is accumulated without returning to the tip of the conveyor that is performing agitation and switching, and by continuously performing the above-mentioned operations, the compost in the pit P is reliably agitated and cut back until it reaches the bottom. Done. Further, while the compost for stirring and cutting back is not completely scooped by the conveyor 2, a force for returning the conveyor 2 in the direction of the arrow B acts on the movable gantry 1 and thereby the movable gantry 1
Slips between the front wheel 5b, the rear wheel 6c and the pit rail PR. Therefore, the mobile gantry 1 stops self-propelled and continues the stirring and turning back operation of the compost on the spot.

The movable platform 1 moves forward, and the above work is carried out in the pit P.
When it is executed up to the end point of, the conveyor lifting motor 11 is energized to wind the wires 11a and 11b around the rolls 10a and 10b, the conveyor 2 is stored in the movable mount 1, and the gear of the gear box 9 is reversed to move the movable mount. 1 in the direction of arrow B.

6 to 9 show an embodiment of the fermenter of the second present invention. In these figures, the same components as those in FIGS. 1 to 5 are designated by the same reference numerals and the description thereof will be omitted.

The moving frame and its driving mechanism in the fermenter of this embodiment are basically the same as those shown in FIG. However, in the fermenter shown in FIG. 1, the drive mechanism is housed in the pedestal so that it can be applied as a built-in pig house, whereas in the present embodiment, the drive mechanism is arranged on the pedestal, and a normal pig It can be widely applied to equipment for dung, chicken dung, cow dung, etc. The conveyor and its peripheral mechanism, which are the characteristic parts of this embodiment, will be described below.

In FIG. 6, the conveyor 30 has a drive shaft 30b and a driven shaft 30c at one end and the other end of a pair of strip-shaped frames 30a, respectively, and between the drive shaft 30b and the driven shaft 30c. A plurality of chains 31 that extend in parallel between both shafts are stretched around. Driven shaft 3
A frame 30a near 0c is provided with a floating sprocket 32 for increasing the tension of the chain. The floating sprocket 32 is provided with a leg portion 3 protruding from the frame 30a.
It is pivotally supported by 2a. In addition, this floating sprocket 3
2 is preferably provided so as to be movable with respect to the leg portion 32a so that the tension of the chain can be adjusted. A pair of plate-shaped covers 30d are provided between the floating sprocket 32 and the driven shaft 30c to prevent compost from being caught in a portion where the gear of the driven shaft 30c and the chain 31 are meshed with each other. ing. This plate-shaped cover 30d is used for the chain 3
One of the sliding cases 30e is provided so as to project downward in parallel.

In FIG. 7, the scooping member 33 is attached to each chain at intervals of 25 cm (predetermined pitch) along the orbiting direction, and the cutting claw 34 (see FIG. 6) is attached. The scooping member 33 fixes a spacer 31b as a plate-like piece having a thickness of 6 mm to the fitting 31a of the chain 31, and on the spacer 31b, four L-shaped pieces are formed perpendicular to the traveling direction of the chain 31. Bar member 3
3b is projected and welded in a fork shape. The height of these rod members 33b is set to 9 cm from the upper surface of the mounting fitting 31a. The width of the pair of bar members 33b is 12 cm (core-core distance), which facilitates cleaning.

In FIG. 8, the cleaning mechanism 35 includes a rewind prevention bar 35a for preventing the compost placed on the scooping member 33 from returning to the drive shaft 30b and a scraping member for separating the compost from the scooping member 33. Elastic rod 35b
And a pipe 35c for fixing them. The rewinding prevention rod 35a is formed by arranging three rods in parallel, and their tips are bent in an arc shape along the path of the chain that folds back the drive shaft 30b. Further, the elastic rod 35b is formed by arranging three rubber columns in parallel, so that the compost attached to the rake member 33 can be separated by passing through the gaps between the rod members 33b of the rake member 33. Has become.

FIG. 9 is a plan view showing the arrangement of the chain 31, the scooping member 33, and the cleaning mechanism 35 described above. As shown in the figure, the anti-rewind bar 35a is arranged between each row of the chains 31, and the elastic bar 35b is arranged so as to pass through the gap between the bar members 33b when the chain 31 travels. ing.

When the width of the pit is about 200 cm, it is preferable to arrange seven chains with a width of 10 cm as a conveyor for poultry manure and set the interval between the chains to 15.4 cm. As a conveyor for cow dung, it is preferable to arrange 6 chains with a width of 10 cm and the distance between them is 20.8 cm.

The conveyor 30 is, as shown in FIG.
It is configured to be driven by a conveyor driving motor 16 mounted on the movable base 1. Specifically, the rotational force of the conveyor driving motor 16 is transmitted to the drive shaft 30b via the speed reducer 18a and its sprocket 18b. In the figure, 19a is a chain and 18a is a tension gear. Reference numeral 11d denotes a speed reducer for the conveyor lifting motor 11 mounted on the movable mount 1. Characteristic portions in the operation of the present embodiment having the above configuration will be described below.

When the movable gantry 1 self-propelled in the direction of arrow A while the conveyor 30 was driven, first, the rotating cutting claws 34 smashed the compost from its side surface, and smashed it. The manure is the bar-shaped branch material 3 of the scooping member 33.
It is hooked by 3b and placed on the spacer 31b. At this time, the floating sprocket 32 effectively applies tension to the chain, so that the chain is prevented from rolling sideways when the compost is cut and broken.

The compost placed on the scooping member 33 ascends on the conveyor 2 in the direction of arrow C, falls when it is folded back by the drive shaft 2b, and is placed on the second conveyor 22. Specifically, the compost adhering to the scooping member 33 is scraped off by the rubber column 35b, and the compost protruding between the chains 31 is prevented from rewinding by the rewinding prevention bar 35a.
As a result, all the compost having the drive shaft 30b folded back is peeled off from the scooping member 33 and drops onto the second conveyor 22. Therefore, even bulky compost containing fibers such as straw and grass can be surely stirred. Also, sticky substances such as chicken manure do not remain on the conveyor, and efficient stirring can be performed.

Further, in the third aspect of the present invention, the fermentor of the first aspect of the invention described above is installed on the pit rail of the pit for storing the compost as described above, and further, above the fermenter, a slat-like shape is provided. We constructed a livestock house with a floor for excretion, equipped with ventilation means to ventilate the inside of the pit, and further suppress the vapor containing ammonia that is emitted from inside the pit when stirring the compost toward the inside of the pit to emit odors. It is equipped with a water injection means that also prevents water and reinforces water.With this configuration, there is no need to separately secure a site for livestock and a site for pits, It is possible to construct a livestock housing including a livestock manure fermentation processing facility. Moreover, the barn can be configured to be pollution-free.

Although the fermenter of the present invention has been described for the fermentation of livestock excrement in the above embodiment, the fermentor is not limited to this and can be applied to the case of fermenting organic industrial waste such as vegetable scraps.

Further, the scooping member of the fermenter of the present invention is not limited to the shape of the above-mentioned embodiment as long as it can catch and scoop up the compost cut by the cutting claws, and any shape can be used. Can be used.

Regarding the pit used in the present invention, the bottom surface is inclined to move the water in the compost to one side wall side, and the through holes are arranged at a predetermined interval on the one side wall where the water moves. According to this configuration,
Excess water is discharged from the through hole, and water is automatically adjusted.

[0046]

As is apparent from the above description, according to the fermenter of the first aspect of the present invention, high stirring efficiency can be obtained and the apparatus can be downsized. According to the fermenter of the second aspect of the present invention, even bulky compost containing fibers such as straw and grass can be surely stirred, and since the scooped compost does not return along the conveyor, Pig manure,
It can be widely applied for compost such as chicken manure and cow manure. According to the livestock manure fermentation treatment equipment of the third aspect of the present invention, there is an advantage that the site can be effectively used and a pollution-free livestock building can be constructed.

[Brief description of drawings]

FIG. 1 is a front view showing the configuration of a fermenter according to an example of the first present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a right side view of FIG.

FIG. 4 is an exploded perspective view showing the configuration of the scooping member of the embodiment.

FIG. 5 is an essential part explanatory view showing a configuration for removing residual compost from the scooping member.

FIG. 6 is a front view showing the configuration of the fermenter according to the second embodiment of the present invention.

7 is a perspective view showing a configuration of a rake portion of the conveyor shown in FIG.

8 is an enlarged view of a drive shaft portion of the conveyor shown in FIG.

9 is a plan view showing the arrangement of the conveyor and the cleaning mechanism shown in FIG.

FIG. 10 is an explanatory diagram showing a configuration of a conventional screw type fermenter.

FIG. 11 is an explanatory diagram showing a configuration of a conventional bucket type fermenter.

[Explanation of symbols]

 1 Mobile Stand 2 Conveyor 3 Chain 4 Cutting Claw 5b Front Wheel 6b Rear Wheel 7 Chain 8 Traveling Motor 9 Gear Box 11 Conveyor Elevating Motor 15 Nata Claw 16 Conveyor Driving Motor 22 Second Conveyor P Pit PR Pit Rail

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location C02F 11/02 ZAB C05F 3/06 A 7537-4H 9/02 A 7537-4H

Claims (8)

[Claims] 1. In a fermenter that agitates the compost while self-propelled on the compost stored in a pit, a movable gantry that can reciprocate on a pair of pit rails, and one end of the frame moves as described above. A conveyor supported diagonally downward from the movable gantry so that the other end is located near the pit bottom surface, and the conveyor is the one end and the other end of the frame. A drive shaft and a driven shaft, a plurality of chains that are stretched between the drive shaft and the driven shaft, and circulate in parallel between the two shafts; and a predetermined number of each chain along the circling direction. A fermenter comprising: a rake member attached at a pitch of 1. and a cutting claw attached between adjacent chains of the driven shaft. 2. In a fermenter that agitates the compost while self-propelled on the compost stored in the pit, a movable gantry that can reciprocate on a pair of pit rails, and one end of the frame moves as described above. The conveyor is supported by a gantry, the other end of which is arranged diagonally downward from the moving gantry so as to be located near the pit bottom surface, and a cleaning mechanism for the conveyor, and the conveyor is the one end of the frame. Portion and the other end of the drive shaft and the driven shaft, a plurality of chains that are stretched between the drive shaft and the driven shaft and circulate in parallel between the two shafts; Floating sprockets provided on the frame for increasing the tension of the chains, scooping members mounted on the chains at a predetermined pitch along the orbiting direction, and adjacent to the driven shafts. A cutting claw attached between the chains in contact with each other, and the cleaning mechanism includes a rewind prevention rod that prevents the compost placed on the scooping member from returning to the drive shaft portion by returning, and the scooping member. A fermenter, comprising: an elastic rod for scraping off the compost from a member. 3. The rake member includes a plate-shaped piece having an L-shaped cross section, and a plurality of bar-shaped branch members provided so as to project from the plate-shaped piece in a direction perpendicular to the chain winding direction. The fermenter according to claim 1 or 2, which is a thing. 4. The scooping member comprises a plate-shaped piece and a plurality of rod-shaped branch members provided so as to project from the plate-shaped piece in a direction perpendicular to the chain winding direction. Fermenter described in. 5. A normal claw or a claw for cutting out the compost accumulated in the widthwise corners of the pit is attached to both axial ends of the driven shaft.
Fermenter according to any one of 4. 6. The fermenter according to claim 1, wherein the conveyor is swingable so as to be stored in the gantry. 7. The moving platform has a second conveyor for transporting the compost, which has fallen back from the drive shaft portion, from the conveyor and dropping the compost into the pit. Fermenter as described. 8. A pit for storing compost, a fermenter according to claim 1 or 2 arranged on a pit rail, and a barn having a slat-shaped excrement floor surface above the fermenter. Ventilation means for ventilating the inside of the pit, and water injection means arranged toward the inside of the pit to prevent vaporization of odors by suppressing vapors containing ammonia emitted from inside the pit at the time of stirring the compost and also serve as water reinforcement. A fertilizer processing facility for animal excrement and urine, comprising: