JP5757033B2 - Organic waste treatment equipment - Google Patents

Description

  The present invention relates to an organic waste processing apparatus for stirring and processing a processed product made of organic waste.

  Due to the recent increase in interest in environmental pollution, various processing apparatuses for processing organic waste such as garbage and filth have been developed and publicly known. A processing tank is provided, and a rotating shaft provided with a stirring body on its outer periphery is rotatably supported in the processing tank, and the processing object contained in the processing tank is stirred by rotating the stirring body. An organic waste processing apparatus shown in Patent Document 1 to be processed is known.

JP 2008-200570 A (FIG. 1)

The organic waste treatment apparatus of the above-mentioned document is integrated with a plate-like arm that rotates integrally with the rotating shaft and has a thickness in the rotating direction, and in a direction parallel to the axial direction of the rotating shaft from the middle part or the tip of the arm. The stirrer is configured by a projecting stirrer, and the stirrer can efficiently stir the processed material. On the other hand, depending on the mass and type of the processed material, the stirrer is rotated to perform the treatment. When stirring an object, the strength of the arm may be insufficient, causing problems such as breaking.
The present invention is capable of efficiently performing the agitation work and efficiently preventing breakage of the agitator when the processed object made of organic waste is agitated by the rotation of the agitator. It is an object of the present invention to provide a possible organic waste treatment apparatus.

In order to solve the above-mentioned problem, firstly, a treatment tank 2 into which a treatment product made of organic waste is charged is provided, and a rotary shaft 34 having a stirring body on the outer periphery thereof is rotatably supported in the treatment tank 2. An organic waste treatment apparatus that stirs and treats the treatment object stored in the treatment tank 2 with the agitator, and has at least a pair of plate-like surfaces facing the axial direction of the rotary shaft 34. The stirrer 36 is constituted by a stirring blade 36 composed of arm portions 41, 41 and a connecting portion 42 that connects the distal ends of the pair of plate-like arm portions 41, 41 in the axial direction of the rotating shaft 34 , and the pair A reinforcing rod 44 is installed between the arm portions 41, 41 .

  Second, the connecting portion 42 is formed in a plate shape.

  Thirdly, one or both of the arm portion 41 and the connecting portion 42 are in relation to the rotation direction or the axial direction of the rotation shaft 34 so that the processed material is sent out in the axial direction of the rotation shaft 34 as the rotation shaft 34 rotates. It is characterized by forming a feed angle that is inclined.

  Fourthly, the forward end in the rotational direction of the pair of arm portions 41 or the connecting portion 42 is formed in a wedge shape having a mountain shape on the center side in the thickness direction.

  Fifth, the connecting portion 42 is formed integrally with the pair of arm portions 41, 41.

  Sixth, the connecting portion 42 and the pair of arm portions 41, 41 are formed so that the distal ends of the pair of arm portions 41, 41 and the connecting portion 42 are U-shaped. .

  Seventh, a plurality of stirring blades 36 are arranged side by side along the axial direction of the rotating shaft 34.

  Eighth, a plurality of stirring blades 36 are arranged in a state where the phase is shifted in the rotation direction when the rotation shaft 34 is viewed in the axial direction.

  According to the above configuration, at least a pair of plate-like arm portions whose plate-like surfaces oppose each other in the axial direction of the rotating shaft, and a connecting portion that connects the tip ends of the pair of plate-like arm portions in the axial direction of the rotating shaft. The stirrer comprising the stirring blades constitutes the stirrer, so that the work can be efficiently stirred by the connecting portion and the pair of arm portions, and the pair of arm portions are connected in the axial direction by the connecting portions. In addition, since the plate-like rotating arm portion rotates so as to cut the processed material along the plate-like surface, breakage due to insufficient strength during stirring can be effectively prevented.

  In addition, one or both of the arm part and the connecting part are rotated in the rotational direction or the axial direction of the rotating shaft so that the connecting part is formed in a plate shape and the processed material is sent out in the axial direction of the rotating shaft as the rotating shaft rotates. If the feed angle which inclines with respect to is formed, the processed material flows in the rotation direction of the stirring blade and also in the axial direction of the rotation shaft, so that the stirring efficiency is further improved.

  Further, if the rotation direction advance side ends of the pair of arm portions or connection portions are formed in a wedge shape having a mountain shape at the center in the thickness direction, the processed material can be efficiently processed by the rotation direction advance side ends of the arm portions or connection portions. Therefore, stirring efficiency is further improved.

  Furthermore, if the connecting portion is integrally formed with the pair of arm portions, the manufacturing process of the stirring blade is reduced, and the cost can be kept low.

  In addition, if a plurality of stirring blades are provided side by side along the axial direction of the rotating shaft and the plurality of stirring blades are arranged in a state where the phase is shifted in the rotational direction when viewed in the axial direction of the rotating shaft, one rotation of the rotating shaft The stirring blade can be operated in a wider range, so that the stirring operation can be performed more efficiently.

  In addition, if a reinforcing rod is installed between the pair of arm portions, the strength of the stirring blade is further improved, and the stirring efficiency is further improved by the action of the reinforcing rod.

It is a top view of the processing apparatus to which this invention is applied. It is a front view of the processing apparatus to which the present invention is applied. It is a front view which shows the internal structure of the processing apparatus to which this invention is applied. It is the perspective view of the stirring blade seen from the arrow A direction of FIG. It is explanatory drawing which shows the structure of an attachment member. (A) is a principal part side view of the 1st stirring blade seen from the arrow B direction of FIG. 3, (b) is A arrow view of (a). (A) is a principal part side view of the 2nd stirring blade seen from the arrow B direction of FIG. 3, (b) is A arrow view of (a). (A) is a principal part side view of the 3rd stirring blade seen from the arrow B direction of FIG. 3, (b) is A arrow view of (a). (A) is a principal part side view of the 4th stirring blade seen from the arrow B direction of FIG. 3, (b) is an A arrow view of (a). (A) is the side view which looked at the stirring blade arrange | positioned nearest to the drive end part of a rotating shaft from the arrow B direction of FIG. 3, (b) is the 2nd from the drive end part of a rotating shaft. FIG. 4 is a side view of the stirring blade disposed on the near side as viewed from the direction of arrow B in FIG. 3, and FIG. 3C illustrates the stirring blade disposed on the third closest side from the drive end of the rotating shaft. It is the side view seen from the B direction. (D) is the side view which looked at the stirring blade arrange | positioned on the side nearest to the drive end part of a rotating shaft from the arrow B direction of FIG. 3, (e) is the fifth from the drive end part of a rotating shaft. FIG. 4 is a side view of the stirring blade arranged on the side close to the arrow B in the direction of arrow B in FIG. 3, and (f) shows the stirring blade arranged on the sixth closest side from the drive end of the rotating shaft in FIG. 3. It is the side view seen from the arrow B direction. (A) is sectional drawing which shows the structure of the scraper part of a 1st stirring blade, (B) is sectional drawing which shows the structure of the scraper part of a 2nd stirring blade, (C) is the rotation direction advance of a stirring blade It is sectional drawing of a side end.

  1 to 3 are a plan view, a front view, and a front view showing an internal configuration of a processing apparatus to which the present invention is applied. The processing apparatus 1 includes a processing tank 2 into which a processed product made of organic waste such as garbage and filth is charged, an agitation mechanism 3 for stirring the processed product in the processing tank 2, and a processing tank 2 that is stirred and decomposed. A storage tank 4 for storing the processed processing liquid, a liquid tank 6 for storing a liquid containing microorganisms that decompose organic matter and other decomposition components, and a water supply device 7 for supplying water such as tap water to each part A liquid supply device 8 for supplying the liquid in the liquid tank 6 to the processing tank 2, an air supply device 9 for supplying air to the processing tank 2, an exhaust device 11 for exhausting air from the processing tank 2, and a processing tank A temperature control means (not shown) for keeping 2 at an appropriate temperature and a control box 12 for electronically controlling each part are provided in the housing 1a.

  The treatment tank 2 is arranged so as to be stacked right above the storage tank 4. The treatment tank 4 has a floor surface 13 and is surrounded by the inner wall 14 in the front and rear and left and right sides, and the upper side by a ceiling surface 16. It is a covered processing chamber. The ceiling surface 16 is formed with an input port 2a through which a processed material is input into the processing tank 2. The input port 2a is closed by a pair of open / close doors 17 that can be opened and closed.

  In the vicinity of the ceiling surface 16 of the treatment tank 2, a horizontal and horizontal water supply pipe 18 is installed in an overhanging state, and a horizontal and horizontal liquid supply pipe 19 is installed under the water supply pipe 18 in an installed state. Is provided. Each of the water supply pipe 18 and the liquid supply pipe 19 is provided with a plurality of injection nozzles 18a, 19a, and water is supplied to the treatment tank 2 by each of the injection nozzles 18a of the water supply pipe 18, and the liquid supply The liquid in the liquid tank 6 is supplied to the processing tank 2 by each spray nozzle 19 a of the pipe 19.

  The storage tank 4 is connected to the treatment tank 2 through a vertical connecting pipe 21. Specifically, one end of the connection pipe 21 is connected to the discharge port 14a formed in the lower part of the inner wall 14 of the processing tank 2, while the other end of the connection pipe 21 is connected to the storage tank 4, The inside of the connecting pipe 21 and the inside of the treatment tank 2 are partitioned by a mesh portion 22 having liquid permeability.

  In the treatment tank 2, the treatment liquid produced by stirring and decomposing the treatment product passes through the mesh part 22 and flows into the storage tank 4 from the connection pipe 21 and is stored. The processing liquid in the storage tank 4 is discharged to the outside through the discharge pipe 23. The discharge pipe 23 is provided with an opening / closing valve 24. By opening / closing the opening / closing valve 24, the storage tank 4 is moved to the outside. Switch between discharging and stopping the processing liquid.

  Further, a horizontal water supply pipe 26 having a plurality of injection nozzles 26 a is supported in the storage tank 4 so as to be bridged, and the storage tank 4 is connected to the storage tank 4 through a pipe 27 of the water supply device 7. It is possible to perform injection water supply.

  The liquid tank 6 stores a liquid obtained by adding a microorganism that decomposes organic matter such as wormwood, chlorella, and soil fungus to water, or a liquid that contains other components that decompose organic matter. The liquid in the liquid tank 6 is pumped to the liquid supply pipe 19 via the pipe 28 of the liquid supply device 8 described above, and is jetted and supplied into the processing tank 2 via the jet nozzle 19a.

  The concentration of the liquid is adjusted so as to be an optimum value for decomposing the processed material when it is introduced into the processing tank 2, but this adjustment may be performed in the liquid tank 6 in advance. And the density | concentration in the decomposition | disassembly process stage of this liquid may be adjusted with the water sprayed and supplied to the processing tank 2 from the injection nozzle 18a of the water supply pipe 18 via the piping 29 of the water supply apparatus 7. FIG.

  The air supply device 9 is configured to supply air into the treatment tank 2 through the air supply pipe 31, and the supplied air is used when the microorganisms decompose the processed material.

  The exhaust device 11 is configured to exhaust a bad odor in the treatment tank 2 or a gas such as carbon dioxide generated during decomposition of a treatment product by microorganisms in the treatment tank 2 through the exhaust pipe 32 to the outside of the treatment tank 2. Has been. Incidentally, the gas from the exhaust pipe 32 is deodorized and then discharged to the outside.

  The control box 12 includes the stirring control via the stirring mechanism 3, the water supply control to the treatment tank 2 and the storage tank 4 via the water supply device 7, and the liquid to the treatment tank 2 via the liquid supply device 8. Supply control, supply air control to the treatment tank 2 via the air supply device 9, exhaust control from the treatment tank 2 via the exhaust device 11, and temperature control of the treatment tank 2 via the temperature control means In addition, by performing other necessary control, it is configured to perform agitation and decomposition of the processed material in an optimal state such as high temperature and high humidity and at an optimal processing speed. The control box 12 and the like are protected by a cover 33 that can be opened and closed.

  The organic waste processing method using the processing apparatus 1 having such a configuration will be described. First, a holding material capable of supporting microorganisms and a processed product made of organic waste are put into the processing tank 2. As the hold material, buckwheat husks, rice husks, finely pulverized wood chips, bamboo chips, or chopped plant fibers such as grass and straw are used.

  Further, the above-described microorganisms are supported on the hold material in advance, or the liquid in the liquid tank 6 is supplied into the processing layer 2 to support the microorganisms on the hold material. Incidentally, this hold material also functions as a grinding aid for assisting the grinding action of the processed product during stirring.

  Thus, in the processing tank 2 into which the processed material and the hold material are charged, the stirring mechanism 3 is operated to stir the processed material and the hold material to perform a decomposition process. At this time, the inside of the processing tank 2 is maintained at an optimal humidity and temperature by the control box 12, and the stirring speed and the supply amount of air are also maintained at an optimal value, and the decomposition processing of the processed material is promoted. Then, the processing liquid that has been stirred and decomposed flows into the storage tank 4 through the connection pipe 21.

  The holding material carrying the microorganisms may be put in the storage tank 4 in advance, and the organic matter may be decomposed in the storage tank 4. In this case, since the storage tank 4 has a deodorizing function, the gas flowing from the processing tank 2 into the exhaust pipe 31 can be introduced into the storage tank 4 and deodorized.

  According to the method for treating organic waste as described above, the treated product that is the organic waste in the treatment tank 2 is decomposed or eliminated or reduced in volume, while the treatment liquid is also decomposed into odorless water. Drained from the discharge pipe.

  If the liquid in the liquid tank 6 does not contain microorganisms, the liquid may be poured directly into the treatment tank 2 without using the hole material.

Next, the configuration of the stirring mechanism 3 will be described with reference to FIGS.
The stirring mechanism 3 includes a horizontal rotating shaft 34 that is rotatably supported about its own axis, a stirring blade 36 that is a plurality of stirring members mounted on the rotating shaft 34, and the rotating shaft 34. A drive motor 37 that rotates the stirring blade 36 is provided.

  The rotary shaft 34 is disposed between the opposing inner walls 14 of the processing tank 2 such that the rotary shaft 34 is parallel to the water supply pipe 18 and the liquid supply pipe 19 and both ends of the rotary shaft 34 protrude outside the processing tank 2. Both ends of the rotating shaft 34 that is bridged and exposed to the outside of the processing tank 2 are supported by bearings 38 and 38, respectively.

  A plurality of stirring blades 36 (six in the illustrated example) are provided at predetermined intervals along the axial direction of the rotating shaft 34, and each stirring blade 36 is bent into a U shape. Details will be described later.

  The power of the drive motor 37 is output to the transmission mechanism 39, and the power of the transmission mechanism 39 is transmitted to the rotation shaft 34 as a chain to rotate the rotation shaft 34 and the stirring blade 36.

  The drive motor 37 performs the above-described stirring operation by driving the rotation shaft 34 and the stirring blade 36 in the normal direction (rotation driving in the direction of the arrow in FIG. 4).

  FIG. 4 is a perspective view of the stirring blade viewed from the direction of arrow A in FIG. Each stirring blade 36 includes a pair of plate-like arm portions 41, 41 that are arranged to face each other at a predetermined interval in the axial direction of the rotation shaft 34, and the pair of arm portions 41, 41 in the axial direction of the rotation shaft 34. It is comprised from the plate-shaped connection part 42 connected along.

  The arm portion 41 projects on the radial extension line of the rotating shaft 34, and the thickness direction of the plate-like arm portion 41 is set to the axial direction of the rotating shaft 34. The pair of arm portions 41, 41 are connected at their distal ends, which are protruding end portions, by a plate-like connecting portion 42 having a thickness in the radial direction of the rotating shaft 34, and the base end portions of the arm portions 41 are It is fixedly attached to the rotary shaft 34 via an attachment member 43.

  In other words, the pair of arm portions 41 and the connecting portion 42 are integrally formed by bending a single plate-like member into a U shape.

  One of the pair of arm portions 41, 41 and the connecting portion 42 or the pair of arm portions 41, 41 or the connecting portion 42 that rotate integrally with the rotating shaft 34 delivers the processed material in the axial direction of the rotating shaft 34. Both form the feed angle which inclines with respect to the rotation direction of the rotating shaft 34 or an axial direction.

  In the illustrated example, one arm portion 41 (forward tilt arm portion 41A) of the stirring blade 36 is rotated forward (forward side) in the rotational direction from the base end to the tip end rather than the other arm portion 41 (standing arm portion 41B). ) And the tip portions of the pair of arm portions 41 are gradually inclined away from the rotation shaft 34 toward the forward side in the rotation direction. For this reason, the connecting portion 42 is inclined forward in the rotational direction from the distal end of the standing arm portion 41B toward the distal end of the forward tilting arm portion 41A, and is gradually separated from the rotational shaft 34 toward the forward side in the rotational direction. As a result, the connecting portion 42 is twisted with respect to the rotating shaft 34, and the above-described feed angle is formed.

  When the stirring blade 36 is driven to rotate forward in the processing tank 2 in which the processed material is charged, the stirring blade 36 sequentially scrapes the processed material from the forward tilting arm portion 41A side toward the standing arm portion 41B side, The processed material is stirred in the rotating direction of the stirring blade 36 and processed in the axial direction of the rotating shaft 34 from the forward tilting arm portion 41A side to the standing arm portion 41B side according to the feed angle and the rotating speed described above. Feed things and improve stirring efficiency.

  In the example shown in the drawing, the connecting portion 42 is twisted with respect to the rotation direction and the axial direction of the rotary shaft 34, and thereby the processed material is delivered in the axial direction of the rotary shaft 34 during stirring. One or both of the arm portions 41 and 41 may be twisted with respect to the rotation direction and the axial direction of the rotating shaft, and the processed material may be sent out in the axial direction of the rotating shaft 34 during stirring. Incidentally, in order to twist the arm portion 41 with respect to the rotation direction and the axial direction of the rotation shaft 34 in this way, for example, the arm portion 41 is twisted by a predetermined angle around an imaginary line passing through the middle in the width direction of the arm portion 41.

  In addition, the plate-like surfaces of the pair of arm portions 41 and 41 face each other in the axial direction of the rotation shaft 34 by the above-described configuration, and a reinforcement parallel to the rotation shaft 34 is provided between the pair of arm portions 41 and 41. A collar 44 is installed and fixed with bolts. For this reason, each arm portion 41 is provided with a support hole 46 through which the reinforcing rod 44 is inserted and supported. The reinforcing rod 44 improves the strength of the stirring blade 36 and also acts to improve the stirring action.

  FIG. 5 is an explanatory view showing the structure of the mounting member. The attachment member 43 is a cylindrical member that is externally mounted on the rotation shaft 34, and the attachment member 43 is rotated by a key 47 that is fitted in the key groove 34 a, 43 a recessed in the rotation shaft 34. In addition to being attached to the rotation shaft 34 so as to rotate integrally with the attachment 34, attachment holes 48 penetrating in the axial direction at predetermined intervals (equal intervals) over the entire circumference at both ends of the cylindrical attachment member 43. Is drilled. On the other hand, a fitting portion 49 that is cut out in an arc shape so as to fit the peripheral surface of the rotating shaft 34 is formed at the base end portion of each arm portion 41, and along the fitting portion 49. A plurality of fixing holes 51 are formed at predetermined intervals.

  Then, the pair of arm portions 41 and 41 of the stirring blades 36 and 36 are sandwiched from the inner surface side to the non-facing end surfaces that are the surfaces of the pair of mounting members 43 and 43 that are fixedly attached to the rotating shaft 34 and that do not face each other. The pair of arm portions 41 and 41 are brought into contact with each other, the fixing holes 51 of the arm portion 41 are respectively matched with the positions of the corresponding mounting holes 48 of the mounting member 43, and both are fastened with bolts or the like. Are fixed to the pair of attachment members 43, 43 by bolts, and the stirring blade 36 is attached to the rotating shaft 34.

  Incidentally, a pair of agitating blades 36 and 36 adjacent in the axial direction of the rotating shaft 34 are fixed to one mounting member 43 with the adjacent arm portions 41 and 41 being fastened together with the phases being shifted in the rotating direction. Has been. In other words, the adjacent stirring blades 36 are arranged so as to partially wrap in the axial direction of the rotating shaft 34, and the combination of the fixing hole 51 and the mounting hole 48 for matching the positions is changed. Thus, the phase that is the mounting position of the stirring blade 36 around the axis of the rotation shaft 34 is changed.

  By the way, in the illustrated processing apparatus 1, four types of stirring blades 36, ie, a first stirring blade 36A, a second stirring blade 36B, a third stirring blade 36C, and a fourth stirring blade 36D are prepared.

  6 (a) is a side view of the main part of the first stirring blade viewed from the direction of arrow B in FIG. 3, FIG. 6 (b) is a view from arrow A in FIG. It is a principal part side view of the 2nd stirring blade seen from the arrow B direction of (a), (b) is the A arrow view of (a), FIG. 8 (a) is the 1st seen from the arrow B direction of FIG. 3 is a side view of the main part of the 3 stirring blades, (b) is a view as seen from the arrow A of (a), and FIG. 9 (a) is a side view of the main part of the fourth stirring blade as viewed from the direction of arrow B in FIG. (B) is a view on arrow A of (a).

  FIG. 10A is a side view of the stirring blade disposed on the side closest to the drive end of the rotating shaft as seen from the direction of arrow B in FIG. 3, and FIG. 10B is the drive end of the rotating shaft. FIG. 4 is a side view of the stirring blade disposed on the second closest side from the direction of arrow B in FIG. 3, and (c) illustrates the stirring blade disposed on the third closest side from the drive end of the rotating shaft. FIG. 11D is a side view as seen from the direction of arrow B in FIG. 3, and FIG. 11D is a side view of the stirring blade arranged on the fourth closest side from the drive end of the rotating shaft as seen from the direction of arrow B in FIG. (E) is a side view of the stirring blade disposed on the fifth closest side from the drive end of the rotating shaft as seen from the direction of arrow B in FIG. 3, and (f) is the drive end of the rotating shaft. It is the side view which looked at the stirring blade arrange | positioned at the side nearest to the 6th from the arrow B direction of FIG.

  In the rotary shaft 34, when the end portion on the side that is supported and transmitted by the power is the drive end portion 34a and the end portion on the opposite side to the drive end portion 34a is the support end portion 34b, the first stirring blade 36A is The agitating blade 36 is close to the inner wall 14 of the rotating shaft 34 on the drive end 34a side. In the first stirring blade 36A, the arm portion 41 closer to the drive end portion 34a of the rotating shaft 34 is a standing arm portion 41B, and the far arm portion 41 is a forward tilting arm portion 41A. During the stirring operation to be driven, the processed material is sent toward the axial drive end 34a side of the rotating shaft 34.

  The second stirring blade 36B becomes the stirring blade 36 close to the inner wall 14 on the support end 34b side of the rotating shaft 34. In the second stirring blade 36B, the arm portion 41 closer to the drive end portion 34a of the rotating shaft 34 is a forward tilting arm portion 41A, and the far arm portion 41 is a standing arm portion 41B. During the stirring operation to be driven, the processed material is sent toward the axial support end 34b side of the rotating shaft 34.

  The third agitating blade 36C is disposed between the first agitating blade 36A and the second agitating blade 36B, and the arm portion 41 on the side close to the drive end 34a of the rotating shaft 34 serves as a forward tilting arm portion 41A, and the rotating shaft The arm portion 41 on the side farther from the drive end portion 34a of the 34 is a stirring blade 36 that becomes the standing arm portion 41B, and during a stirring operation for driving the rotation shaft 34 to rotate forward, the processed material is supported in the axial direction at the end of the rotation shaft 34. Send toward 34b.

  The fourth agitating blade 36D is disposed between the first agitating blade 36A and the second agitating blade 36B, and the arm portion 41 on the side close to the drive end portion 34a of the rotating shaft 34 serves as a standing arm portion 41B and the rotating shaft 34. The arm portion 41 on the side farther from the drive end portion 34a is the stirring blade 36 that becomes the forward tilting arm portion 41A, and during the agitation work that drives the rotation shaft 34 to rotate forward, the processed material is axially driven end portion of the rotation shaft 34. Send toward 34a.

  In the illustrated example, the axial direction of the rotating shaft 34 is such that the feed direction of the processed material in the axial direction of the rotating shaft 34 is sequentially opposite between the adjacent stirring blades 36 during the agitating operation for forward rotation. The types of the plurality of stirring blades 36 arranged at predetermined intervals are set, specifically, the first stirring blade 36A → from the drive end 34a of the rotating shaft 34 toward the support end 34b. The type and location of each stirring blade 36 are set such that the third stirring blade 36C → the fourth stirring blade 36D → the third stirring blade 36C → the fourth stirring blade 36D → the second stirring blade 36B. Such an arrangement further improves the stirring efficiency of the processed product.

  Further, the plurality of stirring blades 36 arranged at predetermined intervals in the axial direction of the rotating shaft 34 are arranged in a state where the phases are sequentially shifted in the rotational direction of the stirring blade 36 when viewed in the axial direction of the rotating shaft 34. ing. In the example shown in the drawing, the phase is sequentially delayed by 1/6 turn for each adjacent stirring blade 36 from the drive end 34a of the rotating shaft 34 toward the support end 34b, thereby further improving the stirring efficiency. As described above, the agitating blades 36 are evenly arranged at equal intervals in the 360 ° rotation range as viewed in the axial direction of the rotating shaft 34, but the phases are sequentially shifted from the support end 34b of the rotating shaft 34 toward the driving end 34a. The delay may be delayed, and the phase interval to be delayed is not limited to 1/6 round, which is a value obtained by dividing 360 degrees by the number of stirring blades 36.

  In addition, the radius of the rotation locus D of the first stirring blade 36A and the radius of the rotation locus D of the second stirring blade 36B are the same in R, and the radius of the rotation locus D of the third stirring blade 36C and the second The radius of the rotation locus D of the four stirring blades 36D is equal to r, and the radius R is longer than the radius r.

  Furthermore, a bulging portion 52 that bulges in a mountain shape toward the forward side in the rotational direction when viewed from the side is formed at a position near the tip of the forward end in the rotational direction of the pair of arm portions 41, 41 of each stirring blade 36. Yes. This swollen portion further improves the stirring efficiency.

  12A is a cross-sectional view showing the configuration of the scraper portion of the first stirring blade, FIG. 12B is a cross-sectional view showing the configuration of the scraper portion of the second stirring blade, and FIG. 12C is a rotation of the stirring blade. It is sectional drawing of a direction advance side end.

  As shown in FIGS. 6A and 6B, the first agitating blade 36A and the second agitating blade 36B have an arm 41 on the side close to the adjacent inner wall 14 in the rotational direction forward end of the standing arm 41B. A scraper 53 having a cross section that protrudes toward the inner wall 14 in a rotationally forward direction and extends in the full length direction of the standing arm 41B is integrally formed. The scraper unit 53 is configured to scrape off deposits such as a processed product adhering to the adjacent inner wall 14 with the forward rotation of the first stirring blade 36A and the second stirring blade 36B.

  Further, as shown in FIG. 6C, the cross-sectional shape of the advancing direction end of the stirring blade 36 (arm portion 41 and connecting portion 42) is on the advancing side in the rotational direction toward the central portion in the thickness direction throughout. It is formed in the shape of a wedge having a chevron shape, thereby further improving the stirring efficiency.

2 Treatment tank 34 Rotating shaft 36 Stirrer blade (stirring body)
41 Arm part 42 Connecting part 44 Reinforcement rod

Claims (8)

A treatment tank (2) into which a treatment product made of organic waste is charged is provided, and a rotary shaft (34) provided with a stirring body on the outer periphery is rotatably supported in the treatment tank (2). An organic waste treatment apparatus for stirring and treating a treatment product stored in a treatment tank (2), wherein at least a pair of plate-like arms whose plate-like surfaces oppose each other in the axial direction of the rotation shaft (34) agitation section (41), and (41), the pair of plate-shaped arm portion (41), consisting of a connecting portion for connecting the axial direction of the distal end side rotating shaft with each other (34) (41) (42) An organic waste treatment apparatus in which the agitator is constituted by a blade (36) , and a reinforcing rod (44) is installed between the pair of arm portions (41), (41) .   The organic waste processing apparatus according to claim 1, wherein the connecting portion is formed in a plate shape.   One or both of the arm portion (41) and the connecting portion (42) rotate the rotation shaft (34) so that the processed material is delivered in the axial direction of the rotation shaft (34) as the rotation shaft (34) rotates. The processing apparatus of the organic waste of Claim 2 which formed the feed angle which inclines with respect to a direction or an axial direction.   The organic waste treatment according to any one of claims 2 and 3, wherein the pair of arm portions (41) or the connecting portion (42) is formed so that the forward end in the rotational direction is formed in a wedge shape having a mountain shape in the center in the thickness direction. apparatus.   The organic waste processing apparatus according to any one of claims 2 to 4, wherein the connecting portion (42) is integrally formed with the pair of arm portions (41), (41).   The connecting portion (42) and the pair of arm portions (41), (41) are arranged such that the distal ends of the pair of arm portions (41), (41) and the connecting portion (42) form a U shape. The processing apparatus of the organic waste of Claim 5 formed.   The organic waste processing apparatus according to any one of claims 1 to 6, wherein a plurality of stirring blades (36) are arranged side by side along the axial direction of the rotating shaft (34).   The organic waste processing apparatus according to claim 7, wherein a plurality of stirring blades (36) are arranged in a state in which the phase is shifted in the rotational direction when the rotational shaft (34) is viewed in the axial direction.

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