WO2019073673A1 - Dispositif d'agitation et procédé de traitement de déchets organiques l'utilisant - Google Patents

Dispositif d'agitation et procédé de traitement de déchets organiques l'utilisant Download PDF

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Publication number
WO2019073673A1
WO2019073673A1 PCT/JP2018/029257 JP2018029257W WO2019073673A1 WO 2019073673 A1 WO2019073673 A1 WO 2019073673A1 JP 2018029257 W JP2018029257 W JP 2018029257W WO 2019073673 A1 WO2019073673 A1 WO 2019073673A1
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WIPO (PCT)
Prior art keywords
rotary drum
drum
inner cylinder
rotary
organic waste
Prior art date
Application number
PCT/JP2018/029257
Other languages
English (en)
Japanese (ja)
Inventor
正和 原
哲宏 寺田
Original Assignee
ＴａｋｅｄａＷｏｒｋｓ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by ＴａｋｅｄａＷｏｒｋｓ株式会社 filed Critical ＴａｋｅｄａＷｏｒｋｓ株式会社
Priority to JP2019547927A priority Critical patent/JP7475141B2/ja
Priority to CN201880064255.0A priority patent/CN111163857A/zh
Publication of WO2019073673A1 publication Critical patent/WO2019073673A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Definitions

  • the present invention relates to a stirring device and a method of treating organic waste using the same.
  • Patent Document 1 As a processing apparatus of organic matter to be treated such as raw waste and excess sludge generated in a sewage treatment plant, for example, a reduced pressure fermentation drying apparatus is proposed in Patent Document 1.
  • the reduced-pressure fermentation drying apparatus includes a dryer having a processing chamber into which an organic material to be treated to which microorganisms are added is introduced, a heating unit provided in the dryer for heating the material to be treated, and a treatment of the dryer
  • a stirring unit rotatably provided in the chamber for stirring the object to be treated, a condensation unit for condensing water vapor generated from the object to produce condensed water, condensed water in the condensing portion and air in the processing chamber
  • a gas-liquid separator that mixes the mixture and separates the mixture into condensed water and air, and is connected downstream of the gas-liquid separator to make the condensed water in the condenser and the air in the processing chamber into a gas-liquid separator.
  • a suction pump for suctioning toward the head.
  • the drier includes a cylindrical casing having a processing chamber inside, a heating jacket formed along a lower wall surface of the processing chamber, and a heating / stirring unit as a stirring unit disposed in the processing chamber.
  • the heating and stirring unit includes a hollow rotating shaft whose both ends are supported by bearings provided on both end surfaces of the casing, two helical tubes fixed so as to surround the outer diameter side of the rotating shaft, and the outer periphery of the helical tube And a plurality of rectangular feed vanes arranged.
  • the object to be treated to which microorganisms are added is stirred while being heated in the processing chamber where the air pressure is lower than the atmospheric pressure, and the water vapor in the processing chamber is condensed and discharged in the condensation section.
  • the deodorizing and drying of the object can be carried out quickly and effectively by the decomposition action of the microorganism, the heating action, and the discharge action of water vapor to treat the object to a powder usable as fertilizer, It is done.
  • the present invention has been made in view of such problems, and it is an object of the present invention to provide a stirring device suitable for the treatment of an object to be treated including hard rod-like organic waste and a method of treating organic waste using the same. To aim.
  • a cylindrical rotary drum capable of accommodating a substance to be stirred in a sealed state, a support portion which supports horizontally and rotatably about the axial center of the rotary drum, and the rotary drum And a drive unit for rotating the
  • a stirring device in which the rotating drum has a plurality of projections capable of being in contact with a substance to be stirred on its inner circumferential surface.
  • an organic waste as an object to be stirred and a microorganism for fermentation of the organic waste are charged into the rotary drum in the stirring device; While rotating the rotary drum, the temperature in the rotary drum is raised to a predetermined temperature, and the pressure in the rotary drum is reduced to a predetermined pressure to ferment the organic waste in the rotary drum with the microorganism.
  • a fermentation treatment process There is provided a method for treating organic waste, comprising the steps of: stopping the rotation of the rotating drum; and discharging the organic waste fermented product from the rotating drum.
  • the material to be stirred can be stirred by rotating the rotating drum containing the material to be stirred without using a stirring blade. Its use is not particularly limited.
  • the stirring apparatus of the present invention is particularly suitable for the treatment of organic waste, and it is possible to stir a substance to be stirred by rotating a rotating drum containing the organic waste without stirring the organic waste with a stirring blade.
  • a rotating drum containing the organic waste without stirring the organic waste with a stirring blade.
  • hard rod waste such as crop wastes and animal carcass bones
  • Organic wastes can be fermented and used as resources for feed, fertilizer, etc. without causing problems such as bending or breaking of the stirring blades due to objects.
  • the stirring device of the present invention does not generate frictional heat generated when the rotating stirring blade comes into sliding contact with the object to be stirred, it is also suitable for use for stirring and mixing powder and solid without adding frictional heat. It is also suitable for use in uniform mixing and dispersion in powder so as not to break up solids, and can also be used, for example, in the field of manufacturing processed foods and pharmaceuticals.
  • FIG. 2 is a right side view of the stirring device of Embodiment 1.
  • FIG. 2 is a left side view of the stirring device of Embodiment 1; It is an expanded sectional view which shows the left end part in the stirring apparatus of FIG. It is an expanded sectional view which shows the right end part in the stirring apparatus of FIG. It is an expanded sectional view of the rotary joint part in the stirring apparatus of FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 1, Comprising: (A) is an injection
  • FIG. 6 is a front view showing a stirring device of Embodiment 2.
  • FIG. 10 is a right side view of the stirring device of Embodiment 2.
  • FIG. 10 is a left side view of the stirring device of Embodiment 2. It is front sectional drawing which abbreviate
  • FIG. 7A is a plan view
  • FIG. 7B is a front view
  • FIG. 7C is a left side view of the support portion and the slide portion of the support portion in the stirring device of Embodiment 2.
  • FIG. It is an expanded sectional view of the rotary joint part in the stirring apparatus of FIG. It is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 2, Comprising: (A) is an injection
  • FIG. 14 is an explanatory view showing a schematic structure of a stirring device of Embodiment 3.
  • the stirring apparatus comprises: a cylindrical rotary drum capable of accommodating a substance to be stirred in a sealed state; a support for supporting the rotary drum horizontally and centered on the axial center of the rotary drum; And a drive unit to rotate The rotating drum has a plurality of projections which can be in contact with the object on the inner peripheral surface.
  • the plurality of projections are inclined with respect to the axis, as viewed from a direction orthogonal to the axis, with a plurality of mixing plates disposed on the inner circumferential surface parallel to the axis. It may comprise at least one of a plurality of lead plates disposed on the inner circumferential surface.
  • the to-be-stirred material in the rotating drum which rotates in one direction can be sent from the one end side to the other end side in the axial direction by the plurality of lead plates. Therefore, when the organic waste is subjected to the fermentation treatment with the microorganism, the organic waste can be moved in the axial direction while being stirred in the rotary drum, and the fermentation treatment efficiency can be enhanced.
  • stirring device of the present invention can be configured as the following types A to C (corresponding to the first to third embodiments described later).
  • the type A stirrer further includes a rotary joint connected to one end in the axial direction of the rotary drum,
  • the rotary joint portion includes at least one of a rotating body disposed on the shaft center of the rotating drum and coupled to the one end, a fixed body disposed on the shaft center, the rotating body and the fixed body.
  • a mechanical seal which is slidable in a rotational direction about the axis via two seal rings,
  • the fixed body has a connection pipe for supplying a fluid into the rotating drum and a connection portion connectable to a connection pipe for discharging a fluid from the rotating drum.
  • the rotary drum closes the opening in the axial direction of the inner cylinder and the outer cylinder, and the outer cylinder provided with a gap between the inner cylinder and the inner cylinder. And a pair of closing plates, In the rotary drum and the rotary joint portion, the gap from the steam supply flow path through which steam supplied from the connection pipe for supply flows into the gap through the rotary joint portion, and the gap from the discharge connection pipe It may have a drain discharge flow path which discharges the drain in a part outside via the above-mentioned rotary joint part.
  • the stirring apparatus of this type A while rotating the rotary drum into which the substance to be stirred is charged into the inner cylinder, the vapor is supplied into the gap portion on the outer periphery of the inner cylinder to raise the temperature in the inner cylinder. It is possible to discharge the condensed water of the steam in the gap to the outside. Therefore, when the organic waste is subjected to fermentation treatment with microorganisms, the organic waste can be heated to a temperature suitable for fermentation.
  • the rotary drum and the rotary joint have a gas discharge flow path for discharging the gas in the inner cylinder from the connection pipe for discharge to the outside through the rotary joint.
  • the gas discharge passage may be configured to be usable as a water supply passage through which the water supplied from the supply connection pipe flows into the rotary drum via the rotary joint portion.
  • the inside of the rotating drum can be depressurized to a pressure suitable for fermentation, and the gas (including odor) generated at the time of fermentation of the organic waste is It can be discharged from the inside to the outside.
  • water can be supplied in a rotating drum. Therefore, when the organic waste is subjected to a fermentation treatment with microorganisms, the organic waste can be adjusted to a water content suitable for fermentation.
  • the type B stirrer further includes a rotary joint connected to one end in the axial direction of the rotary drum,
  • the rotary joint portion includes at least one of a rotating body disposed on the shaft center of the rotating drum and coupled to the one end, a fixed body disposed on the shaft center, the rotating body and the fixed body.
  • a mechanical seal which is slidable in a rotational direction about the axis via two seal rings
  • the fixed body has a connection portion connectable to a connection pipe for supplying a fluid into the rotating drum,
  • the rotary drum closes an opening in the axial direction of the inner cylinder and the outer cylinder, and the outer cylinder provided with a gap between the inner cylinder and the inner cylinder.
  • the rotary drum and the rotary joint have a steam supply flow path through which water vapor supplied from the supply connection pipe flows into the gap through the rotary joint.
  • the supporting portion closes and rotates a bearing portion rotatably supporting one end side in the axial direction of the rotating drum, and an opening at the other end in the axial direction of the inner cylinder and the outer cylinder. It may have a closing support plate portion that can be supported, and a drain pipe that penetrates the closing support plate portion and communicates with the inside of the gap portion to discharge the drain inside the gap portion to the outside.
  • this type B stirrer as in type A, the temperature rise in the inner cylinder and the drain in the clearance can be discharged.
  • the closing support plate portion on the other end side of the rotary drum is fixed, the introduction of the stirring object during rotation of the rotary drum by providing the inlet and the outlet of the stirring target in the closing support plate portion. And discharge can be performed, and the configuration at one end of the rotary drum and the internal configuration of the rotary joint can be simplified. Furthermore, since the drain is discharged from the side opposite to the steam supply side in the gap portion of the rotary drum, the thermal efficiency can be improved.
  • the support portion penetrates the closing support plate portion and communicates with the inside of the inner cylinder of the rotary drum to discharge the gas in the inner cylinder to the outside. It may have a pipe and a water supply pipe which penetrates the closed support plate portion and communicates with the inside of the inner cylinder to supply water to the inner cylinder.
  • the inside of the rotating drum can be depressurized to a pressure suitable for fermentation, and the gas generated during fermentation of the organic waste ( The odor can be discharged from the inside of the rotating drum to the outside, and the organic waste can be adjusted to a moisture amount suitable for fermentation.
  • the rotary drum includes an inner cylinder and an outer cylinder provided with a gap between the inner cylinder, and the axial centers of the inner cylinder and the outer cylinder.
  • a closing plate closing the opening at one end of the The supporting portion closes and rotates a bearing portion rotatably supporting one end side in the axial direction of the rotating drum, and an opening at the other end in the axial direction of the inner cylinder and the outer cylinder.
  • a steam supply pipe which penetrates the closure support plate and communicates with the interior of the gap to supply steam into the gap, and which penetrates the closure support plate.
  • this type C stirrer like the type A, it is possible to raise the temperature in the inner cylinder and discharge the drain in the clearance, and, like the type B, close support on the other end of the rotary drum Since the plate portion is fixed, by providing an inlet and an outlet for the material to be stirred in the closed support plate, it becomes possible to load and discharge the material to be stirred while the rotary drum is rotating. Furthermore, the rotary joint portion on one end side of the rotating drum can be omitted.
  • the support portion penetrates the closing support plate portion and communicates with the inside of the inner cylinder of the rotary drum to discharge the gas in the inner cylinder to the outside. It may have a pipe and a water supply pipe which penetrates the closed support plate portion and communicates with the inside of the inner cylinder to supply water to the inner cylinder.
  • the inside of the rotating drum can be depressurized to a pressure suitable for fermentation, and the gas generated during fermentation of the organic waste ( The odor can be discharged from the inside of the rotating drum to the outside, and the organic waste can be adjusted to a moisture amount suitable for fermentation.
  • stirring devices of types A to C may be configured as follows, and they may be combined as appropriate.
  • the support portion includes a base portion, a plurality of weight measurement portions provided on the base portion, the bearing portion provided on the plurality of weight measurement portions, and the closing support plate portion. It may be one. According to this configuration, since the weight of the material to be stirred that has been introduced into the rotating drum can be measured by the plurality of weight measurement units, when the organic waste is subjected to fermentation treatment with microorganisms, the amount of organic waste input Can be easily adjusted to a weight suitable for fermentation treatment.
  • the support portion further includes a plurality of buffer portions provided between the base portion and the plurality of weight measurement portions,
  • the buffer portion may have a receiving portion fixed on the base portion, and a slide portion supporting the weight measuring portion and slidably mounted on the receiving portion. Good. According to this configuration, when the rotary drum is heated and thermally expanded, the thermal expansion of the rotary drum can be absorbed by the slide portion, and breakage of the support portion can be avoided.
  • the drive unit may be configured to be capable of rotating the rotating drum in forward and reverse directions. According to this configuration, it is possible to reciprocate in the axial direction while agitating the object in the rotating rotary drum. Therefore, when the organic waste is subjected to the fermentation treatment with microorganisms, the organic waste can be reciprocated in the axial direction while being stirred in the rotary drum, and the fermentation treatment efficiency can be further enhanced. At the end of the fermentation treatment, the fermented product can be collected to the other end side of the rotary drum provided with the open / close lid and easily taken out to the outside.
  • FIG. 1 is a front sectional view showing Embodiment 1 of the stirring apparatus of the present invention
  • FIG. 2 is a right side view of the stirring apparatus of Embodiment 1
  • FIG. 3 is a left view of the stirring apparatus of Embodiment 1.
  • . 4 is an enlarged cross-sectional view showing the left end portion in the stirring device of FIG. 1
  • FIG. 5 is an enlarged cross-sectional view showing the right end portion in the stirring device of FIG. It is an expanded sectional view of a joint part.
  • Arrow X in FIG. 1 indicates the left-right direction
  • arrow Y indicates the front-rear direction
  • arrow Z indicates the up-down direction.
  • an organic waste disposal apparatus is exemplified as a stirring apparatus suitable for the treatment of organic waste, but the stirring apparatus of the present invention is not limited to the disposal of organic waste.
  • the application is not limited.
  • the organic waste disposal apparatus (stirring apparatus) 1 includes a cylindrical rotary drum 10 capable of accommodating the organic waste as a substance to be stirred in a sealed state, and a rotary drum It is connected to one end 10 a of the rotating drum 10 in the direction of the axis P in the axial center P of the rotating drum 10, and a supporting portion 20 that supports the rotating drum 10 horizontally and rotatably around the axis P of the drum 10.
  • a rotary joint 40 is provided, and the rotary joint 40 enables supply of fluid into the rotary drum 10 and discharge of fluid from the rotary drum 10.
  • the rotary joint portion 40 side in the axial center P direction of the rotary drum 10 will be described as one end side, and the opposite side to the one end side as the other end side.
  • the rotary drum 10 has a cylindrical outer cylinder 12 provided with a clearance S between the cylindrical inner cylinder 11 and the inner cylinder 11, and an axial center of the inner cylinder 11 and the outer cylinder 12.
  • a shaft portion 15 is provided as the one end portion 10a of the rotary drum 10, and a shaft portion 16 is provided as the other end portion 10b.
  • the inner cylinder 11 has a plurality of strip-shaped projections (a mixing plate 11a described later) provided on the inner circumferential surface at equal intervals in the circumferential direction so as to extend in the axial center P direction and adjacent two on the inner circumferential surface
  • a plurality of projections (lead plates 11b described later) which are inclined with respect to the axial center P when viewed from the direction orthogonal to the axial center P (the direction orthogonal to the paper surface of FIG. 1) between the two ribs 11a
  • it is formed of stainless steel and is welded to the inner peripheral surface of the inner cylindrical body 11.
  • the lead plate 11b is curved in a gentle waveform as viewed from the direction orthogonal to the axial center P, and the plurality of lead plates 11b aligned in the axial center P direction are arranged at equal intervals, and two lead plates adjacent in the circumferential direction
  • the positions 11 b are arranged at different positions so as not to line up in the circumferential direction. (FIG. 4) depends on the size of the rotary drum 10, the rotational speed at the time of processing, etc., but assuming that the case parallel to the axis P is 0 °, for example, The angle can be set to about 87 to 70 °, and is about 83 ° in the first embodiment.
  • the plurality of guide plates 11c are made of, for example, stainless steel, and are welded to the outer peripheral surface of the inner cylindrical body 11. Further, the plurality of guide plates 11c are arranged at predetermined intervals in one line with their longitudinal directions directed in the axial center P direction, and are arranged in multiple lines at equal intervals in the circumferential direction.
  • the size of the rotating drum 10 is set to a diameter of about 2 m and a length of about 5 m, and can be treated per batch of organic waste by the rotating drum 10 of this size.
  • the weight is about 5.6t.
  • the size of the rotary drum 10 is not particularly limited, and may be larger or smaller than the above size, and may be set according to the weight of one batch of organic waste to be treated.
  • the closure plate 13 on one end 10 a side of the rotary drum 10 is airtightly connected to the outer peripheral surface of the inner cylinder 11 to close the opening of the inner cylinder 11, and the outer peripheral surface of the outer cylinder 12. And an outer cover portion 13 b closed airtightly to close the opening of the outer cylindrical portion 12.
  • the communication passage S 2 of the circular is formed in communication with the gap portion S 1 is provided between the inner lid part 13a and the outer lid portion 13b, on the axis P of the inner lid 13a
  • the center hole is formed.
  • the central hole of the inner lid portion 13 a can supply a water as a fluid into the inner cylindrical portion 11 of the rotary drum 10 and can discharge an air as a fluid from the inner cylindrical portion 11 as described later.
  • of the main pipe 42b 1 of the connecting portion 42b is a hole for inserting through the bearing portion 13c.
  • the outer cover 13 b has a central hole into which the shaft 15 is inserted, and the outer surface of the outer cover 13 b is connected to the outer flange of the shaft 15.
  • Shaft portion of the one end 15 has a central hole for inserting the main pipe 42b 1 so as to form a communication passage S 2 and the communication passage S 3 communicating between the main pipe 42b 1, support for later It is rotatably supported by the bearing 22 on one end side of the portion 20.
  • the shaft portion 16 on the other end side has an insertion hole into which the shaft-shaped bearing portion 22 on the other end side of the support portion 20 is inserted, and is rotatably supported by the bearing portion 22.
  • a rotation gear 17, a pair of load rings 18, and a control disc 19 are provided on the outer peripheral surface of the rotary drum 10, that is, the outer peripheral surface of the outer cylindrical portion 12. The details of these roles will be described later.
  • the closing plate 14 on the other end side of the rotary drum 10 is provided with a fan-shaped opening / closing lid 14a rotatable around the axis P, and the opening / closing lid 14a is turned around the axis P to close the closure plate
  • An open / close mechanism 60 including a motor 64 for opening and closing the bow-shaped opening 14 b is provided on the shaft 16 and the support 21 b on the other end side of the support 20 described later.
  • the opening / closing mechanism 60 has a bearing cover 61 for attaching the opening / closing lid 14 a to the outer periphery of the shaft 16 via a bearing, and a servo gear 62 provided on the outer periphery of the bearing cover 61.
  • a pinion gear 63 meshing with the servent gear 62 and the motor 64 for rotating the pinion gear 63 are supported by a support 21b of a support 20 described later.
  • the opening / closing mechanism 60 by driving the motor 64 to rotate the pinion gear 63 in one direction, the opening / closing lid 14a is rotated about the axis P in one direction via the serven gear 62 to open the opening The portion 14b is opened, and by rotating the pinion gear 63 in the other direction, the open / close lid 14a is rotated in the other direction to close the opening 14b.
  • the support portion 20 includes a base portion 21a disposed below the rotary drum 10, a mount frame 21 having a pair of gate-like support portions 21b standing from both longitudinal end portions of the base portion 21a, and a pair of support portions 21b. And a pair of bearings 22 provided at the upper end.
  • the base portion 21 a is a rectangular frame having a pair of long side portions 21 a 1 located in the front and back and a pair of short pieces 21 a 2 located in the left and right, and the outer peripheral surface of the pair of load rings 18 of the rotary drum 10 a plurality of support rollers 21a 3 for rotatably supporting the left and right axis around are provided on a pair of long side portions 21a 1 of the.
  • the outer peripheral portion of the support rollers 21a 3 may be constituted by a tire.
  • each pinching roller 21a 4 may be configured by a tire.
  • the load ring 18 is in sliding contact with the pair of holding rollers 21a 4 so that the movement of the rotary drum 10 in the left-right direction is restricted.
  • the brake unit 21a 5 can be stopped is provided a rotary drum 10 that rotates via a control disk 19.
  • the magnet brake is used as a brake unit 21a 5, it is not limited to this, even in a friction brake for braking the rotating drum 10 across the control disc 19 by the brake pad Good.
  • the drive unit 30 may have a braking function by using a brakeable transmission direct connection motor as the drive motor 31 of the drive unit 30 described later. In this case, it is possible to omit the control disc 19 and the brake unit 21a 5.
  • the bearing 22 at one end rotatably supports the shaft 15 of the one end 10 a of the rotating drum 10, and the bearing 22 at the other end is the shaft 16 of the other end 10 b of the rotating drum 10. Is rotatably supported.
  • the drive unit 30 includes a drive motor 31 provided on the base 21a of the support unit 20, and an output gear 32 fixed to the output shaft of the drive motor 31 so as to mesh with the rotation gear 17 of the rotary drum 10.
  • the drive motor 31 is configured to be capable of rotating the rotary drum 10 in the forward and reverse directions via the output gear 32 and the rotation gear 17.
  • the output gear 32 and the rotation gear 17 may be connected by a timing belt, and the rotational force of the output gear 32 may be transmitted to the rotation gear 17 via the timing belt.
  • the shaft portion 15 on one end side of the rotary drum 10 or the shaft portion 16 on the other end side may be rotationally driven by a transmission direct connection motor capable of braking.
  • the rotary joint portion 40 is disposed on the axial center P of the rotary drum 10 and connected to the shaft portion 15 of the one end portion 10a. It has a fixed body 42 disposed on the center P, and a mechanical seal 43 which can slide in a rotational direction about the axial center P via the at least one seal ring, the rotary body 41 and the fixed body 42. .
  • Rotator 41 includes an inner pipe portion 41a of the cylindrical having an end face 41a 1 which presses through the end face and the sealing member 52 of the shaft portion 15 of the rotary drum 10, the outer pipe fitted on the outer peripheral surface of the inner pipe portion 41a It is a rotary shaft 41 having a portion 41b, and the inner pipe portion 41a and the outer pipe portion 41b are formed of stainless steel.
  • the inner pipe portion 41a and the outer pipe portion 41b are integrally rotatably connected, and a communication hole 41x is formed in a part of the outer peripheral wall constituting them.
  • the rotary shaft 41 is pressed toward the shaft portion 15 by the mounting member 53 attached to the shaft portion 15 of the rotary drum 10 and rotates integrally with the rotary drum 10.
  • the fixed body 42 has a cylindrical casing 42 a which airtightly covers the rotary shaft 41, and a connection portion 42 b which is inserted into the casing 42 a and the rotary shaft 41.
  • the casing 42a is supported by a support 21b on one end side of the support 20 via a connecting member (not shown), and holds the rotary shaft 41 therein in an airtight and rotatable manner. Further, the casing 42a is communicated via a communicating hole 41x forms an annular space S 4 on an outer peripheral portion including the annular space S 4 and the communication passage S 3 and the communicating hole 41x in the rotary shaft 41 ing.
  • Connecting portion 42b includes a casing 42a, a main pipe 42b 1 extending through the closing plate 13 of the inner insertion vital rotary drum 10 of the shaft portion 15 of the rotary shaft 41 and the rotary drum 10, the communication passage in the main pipe 42b 1 S is connected to a portion exposed to 2 by the first sub-pipes 42b 2 extending downward, and the second sub-pipes 42b 3 extending upward is connected to a distal end portion extending through the inner lid portion 13a of the closing plate 13 in the main pipe 42b 1 Equipped with A gap is provided between the rotary shaft 41 and the main pipe 42 b 1, and the gap is a part of the communication flow path S 3 leading to the inside of the shaft portion 15 of the rotating drum 10.
  • Proximal end of the main pipe 42b 1 of the connecting portion 42b is supported by the casing 42a so as to be positioned on a horizontal axis P of the rotary drum 10.
  • the distal end portion passing through the inner lid portion 13a of the closing plate 13 in the main pipe 42b 1 cover so as to form a gap S 5 an opening at one end of the inner cylinder 11 of the rotary drum 10 in its lower
  • a protection disc 43 is attached via a protection hub 44.
  • the protection disk 43 serves to prevent the one end side of the opening of the organic waste is the inner cylindrical portion 11 which is processed by the rotating drum 10 to flow into the lower portion of the communication passage S 2, the second sub pipe 42b 3 To support.
  • the bearing portion 13c for rotatably supporting the inner lid 13a of the closing plate 13 of the rotary drum 10 is fixed to the tip of the main pipe 42b 1 penetrating the inner lid 13a of the closing plate 13 .
  • a plurality of grease pipes 13d are disposed radially on the inner lid 13a communicating flow path S 2 of the closure plate 13 along the outer lid 13b of the outer end of the grease pipe 13d is closing plate 13 It is fixed via grease nipple 13 d 1 .
  • it is possible to supply to the bearing portion 13c by injecting grease into the grease pipe 13d from the grease nipple 13d 1.
  • the main pipe 42b 1 the which inner space is divided into upper and lower, communicated with the lower space 42Bs 1 and the first sub pipe 42b 2, the upper space 42Bs 2 and the second sub pipe 42b 3 are communicated, the main pipe 42b
  • the tip opening through the closing plate 13 in 1 is closed.
  • the lower space 42Bs 1 and the upper space 42Bs 2 of the main pipe 42b 1 can be formed by inserting the two small diameter pipe to the main pipe 42b 1.
  • first connecting pipe 71 is connected to the upper space 42Bs 2 of the base end portion 42b 11 protruding from the casing 42a to the outside of the main pipe 42b 1, first in the lower space 42Bs 1 end portion 42b 11 of the main pipe 42b 1 2 connection pipe 72 is connected.
  • the first connection pipe 71 discharges the gas in the inner cylinder 11 of the rotary drum 10 to the outside, as well as water supply means Ws provided with a pump or the like for supplying water into the inner cylinder 11 of the rotary drum 10. It is connected to a gas discharge means Ge such as a vacuum device via a switching valve V (see FIG. 7A).
  • the second connecting pipe 72 is connected to the water discharge means Le for discharging accumulated water in the lower part of the rotary drum 10 to the outside, the rotation of the drum 10 gap portion of the steam supplied from the top of the S 1 of condensate collected in the lower part of the gap portion S 1 by the pressure is extruded to the outside from the water discharge means Le through the second connection pipe 72 (see FIG. 7 (a)).
  • connection portion 42 b is provided with a connection port (not shown) connected to the third connection pipe 73 in a part of the casing 42 a.
  • the third connection pipe 73 is connected to the steam supply means Bs such boilers to supply steam into the gap portion S 1 between the inner cylindrical portion 11 and the outer cylinder portion 12 of the rotary drum 10 (FIG. 7 (A)).
  • the steam supply channel which steam supplied from the third connecting pipe 73 for steam supply flows into the gap portion S 1 through the rotary joint 40
  • a drain discharge flow path (first sub pipe 42 b) for discharging the drain in the gap S 1 from the communication flow paths S 3 and S 2 and the second connection pipe 72 for drain discharge to the outside through the rotary joint portion 40 2, which has a lower space 42Bs 1) of the main pipe 42b 1, the gas discharge channel for discharging the gas in the rotary drum 10 from the first connecting pipe 71 for the gas discharged to the outside through the rotary joint 40 ( It has a second sub pipe 42b 3 and an upper space 42 bs 2 ) of the main pipe 42 b 1 .
  • the water supplied from the first connection pipe 71 also used for water supply passes through the rotary joint portion 40. It is configured to be usable as a water supply flow path flowing into the rotary drum 10.
  • the mechanical seal 43 has a floating ring 43a as a seal ring and a ring-shaped seal plate 43b as a seal ring provided between the outer pipe portion 41b of the rotary shaft (rotary body) 41 and the casing 42a of the solid body 42.
  • the floating ring 43a is disposed between the outer pipe portion 41b and the seal plate 43b.
  • a contact surface 41 b 1 of the outer pipe portion 41 b of the rotary shaft 41 with the floating ring 43 a is formed in a tapered shape which is inclined toward the axial center P as it goes to the rotary drum 10.
  • the contact surface 43a 1 of the outer pipe portion 41b in the floating ring 43a is formed in a reverse tapered shape inclined to the axis P side toward the rotating drum 10.
  • the sliding contact surfaces 43a 2 and 43b 1 between the floating ring 43a and the seal plate 43b are perpendicular to the axis P.
  • the floating ring 43a and the seal plate 43b are made of a ceramic generally used for the mechanical seal 43 of the rotary joint, and the sliding contact surfaces 43a 2 and 43b 1 to be the opposing seal surfaces thereof have a predetermined surface roughness or less. It is smoothed until it becomes.
  • the outer pipe portion 41 b of the rotary shaft 41 is in pressure contact with the floating ring 43 a of the mechanical seal 43 by pressing the rotary shaft 41 against the shaft portion 15 of the rotary drum 10 via the seal member 52.
  • the floating ring 43a is in pressure contact with the seal plate 43b.
  • the contact surface 41b 1 of the floating ring 43a is formed in a tapered shape in the outer pipe portion 41b of the rotary shaft 41, and forms a contact surface 43a 1 of the outer pipe portion 41b in the floating ring 43a in a reverse tapered shape
  • the center of rotation of the rotary shaft 41 can be easily made to coincide with the axial center P of the rotating drum 10.
  • the frictional resistance between the outer pipe portion 41b and the floating ring 43 can be made larger than the frictional resistance between the floating ring 43 and the seal plate 43b, the floating ring 43 is integrally rotated with the outer pipe portion 41b to seal It can slide on the plate 43b.
  • FIG. 7 is a view for explaining the method of treating organic waste by the stirring device of Embodiment 1, wherein (A) shows a charging step and (B) shows a fermentation treatment step.
  • FIG. 8 is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 1, Comprising: (A) and (B) show the continuation of the fermentation treatment process of FIG. 7 (B).
  • FIG. 9 is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 1, Comprising: (A) shows the continuation of the fermentation process process of FIG. 8 (B), (B) is a discharge process.
  • the treatment method of this organic waste is A charging step of charging the organic waste Ow as a substance to be stirred and a microorganism for fermentation of the organic waste into the rotary drum 10 in the organic waste disposal device 1; Fermentation in which the organic waste Ow in the rotating drum 10 is fermented by microorganisms by raising the temperature in the rotating drum 10 to a predetermined temperature while reducing the pressure in the rotating drum 10 to a predetermined pressure while rotating the rotating drum 10 Processing steps, And stopping the rotation of the rotary drum 10, and discharging the organic waste fermented material Of from the rotary drum 10.
  • the open / close lid 14a at the upper position of the rotary drum 10 is opened by operating the open / close mechanism 60, and the inside of the rotary drum 10 (in the cylindrical body 11)
  • the organic waste Ow to be treated and the symbiotic microorganism which causes the organic waste Ow to ferment are charged, and the open / close lid 14a is closed.
  • the microorganisms to be used are not specifically limited, What can ferment-process the organic waste Ow efficiently is preferable, and you may use multiple types of microorganisms.
  • the environment in the rotary drum 10 is adjusted to conditions suitable for fermentation of organic waste.
  • it can be adjusted as follows.
  • the water W supplied from the water supply means Ws is transferred to the rotary drum 10 through the switching valve V, the first connection pipe 71 and the upper space 42bs 2 of the main pipe 42b 1 of the rotary joint 40 and the second sub pipe 42b 3 It is introduced into the inner cylinder 11 (FIG. 7 (A)).
  • the water content of the organic waste Ow is adjusted to an amount suitable for fermentation in the initial stage of the fermentation treatment process.
  • the water used may not be clean water, and well water, rain water, industrial water, etc. may be used.
  • the amount of water to be supplied depends on the type of organic waste Ow and the type of microorganism, for example, in the case of livestock manure, it is adjusted to 80 to 98 parts by weight with respect to 100 parts by weight of organic waste Ow.
  • the drive unit 30 is driven to rotate the rotary drum 10 for a predetermined time while adjusting the fermentation treatment conditions as described in [1] to [3].
  • the rotation speed of the rotary drum 10 is 1 to 5 rpm
  • the fermentation process time performed by rotating the rotary drum 10 is 2 Set to ⁇ 3 hours.
  • these fermentation process conditions are an example, and the disposal method of the organic waste of this invention is not limited to these conditions, It may adjust suitably so that a fermentation process may be accelerated
  • drain D of the clearance portion steam supplied to the S 1 is condensed in the rotary drum 10 is for accumulating at the bottom of the gap portion S 1, drives the water discharge means Le, the gap portion S 1 the drain D is discharged to the outside through the first sub pipe 42b 2 and the lower space 42Bs 1 and the second connection pipe 72 of the main pipe 42b 1 of the rotary joint 40.
  • liquid such as extra water is discharged from organic waste Ow during fermentation treatment, it falls to the gap S 1 side and is discharged to the outside, or it is converted to steam by heating to the inner cylinder 11. Discharged into
  • An operator operates an operation box (not shown) to control the motors and various means for performing operations such as rotation and stop of the rotary drum 10, rotation speed and time, water supply, water vapor supply, gas discharge and water discharge. It is performed via a control unit (not shown).
  • the operation box may be configured to complete the fermentation process by rotating the rotating drum while automatically adjusting to the preset fermentation process conditions when the operator presses the operation start button.
  • the shaft portion 15 on one end 10 a side of the rotary drum 10 and the rotary shaft (rotary body) 41 of the rotary joint portion 40 are connected integrally rotatably. While the rotating drum 10 is rotating, the rotary shaft 41 is also rotating.
  • the casing (fixed body) 42 a of the rotary joint portion 40 supports the rotary shaft 41 which rotates in a stationary state. At this time, in the mechanical seal 43, the floating ring 43a rotates with the rotary shaft 41, and the seal ring 43b stands still with the casing 42a, so the floating ring 43a slides on the seal ring 43b.
  • the organic waste Ow in the rotating drum 10 is lifted in the forward rotating direction (arrow J direction) by rotating the rotating drum 10 in the initial stage of the fermentation treatment step. When it is lifted to a certain height, it falls and it is agitated by repeating this. At this time, the organic waste Ow is lifted to a certain height without sliding on the inner surface of the inner cylinder 11 by the plurality of mixing plates 11 a provided on the inner surface of the inner cylinder 11.
  • the organic waste Ow is slowly moved from the other end 10 b side to the one end 10 a side of the rotary drum 10 while being stirred by the plurality of lead plates 11 b provided on the inner surface of the inner cylindrical body 11. Then, as shown in FIG. 8 (A), where the organic waste Ow moves to one end 10a of the rotary drum 10 while being stirred, temporarily stops the driving unit 30, and the control disc by the brake unit 21a 5 The rotation of the rotary drum 10 is stopped via 19. Alternatively, the rotation of the rotary drum 10 is stopped by the control of the transmission direct drive motor capable of braking.
  • the drive unit 30 is driven again to rotate the rotary drum 10 in the reverse direction (the direction of the arrow K), and the organic waste Ow in the rotary drum 10 is stirred. Slowly move to the end 10b side.
  • FIG. 9 (A) where the organic waste Ow moves to the other end portion 10b of the rotary drum 10 while being stirred, to stop the drive unit 30, and the control disc by the brake unit 21a 5
  • the rotation of the rotary drum 10 is stopped via 19 or the rotation of the rotary drum 10 is stopped by the control of the transmission direct drive motor capable of braking. This completes the fermentation processing operation of one stroke.
  • the fermentation treatment operation is performed for two or more strokes until the organic waste Ow is in a desired powder state (fermentation degree).
  • the organic waste disposal apparatus (stirring apparatus) 1 of the present invention the organic waste Ow is not stirred by the stirring blade, and the organic waste is rotated by rotating the rotating drum 10 containing the organic waste. Since it is possible to stir Ow, for example, even when hard wastes of crops such as corn core and sugarcane bales, etc., and animal dead bodies such as livestock are treated, hard wastes of agricultural crops and bones of animal dead bodies
  • the organic waste Ow can be fermented and used as a feed, fertilizer or the like without causing a problem that the stirring blade is bent or broken by hard rod-like waste such as, for example.
  • the provision of the rotary joint portion 40 enables supply of water, steam and the like to the rotary drum 10 and discharge of water, gas and the like from the rotary drum 10, and the environment in the rotary drum 10 is disposed of organically It can be easily adjusted to the optimum conditions for making object Ow a resource.
  • Second Embodiment 10 is a front view showing the stirring device of Embodiment 2
  • FIG. 11 is a right side view of the stirring device of Embodiment 2
  • FIG. 12 is a left side view of the stirring device of Embodiment 2.
  • FIG. 13 is a front cross-sectional view in which the middle portion in the longitudinal direction of the stirring device of Embodiment 2 is omitted.
  • 14A is a plan view
  • FIG. 14B is a front view
  • FIG. 14C is a left side view
  • FIG. It is an expanded sectional view of the rotary joint part in the stirring apparatus of FIG.
  • FIGS. 10 to 15 the same elements as those in FIGS. 1 to 6 are denoted by the same reference numerals.
  • arrow X in FIG. 10 and FIG. 14 (A) is the left-right direction
  • arrow Y is the front-back direction
  • arrow Z has shown the up-down direction.
  • the organic waste treatment apparatus (stirring apparatus) 101 can supply steam from one end side of the rotary drum 110 as in the first embodiment, but supplies water from the other end side of the rotary drum 110.
  • This embodiment differs from the first embodiment in that it is configured to be able to discharge air and discharge water.
  • points different from the first embodiment in the second embodiment will be mainly described.
  • the organic waste disposal apparatus 101 includes a cylindrical rotary drum 110 capable of accommodating the organic waste as a substance to be stirred in a sealed state, and an axis of the rotary drum 110.
  • a support portion 120 horizontally and rotatably supporting a center P, a drive portion 130 for rotating the rotary drum 110, and a rotary joint portion 140 connected to one end 10a in the axial center P direction of the rotary drum 110 And allows the fluid to be supplied into the rotating drum 110 by the rotary joint 140.
  • the rotary drum 110 has an inner cylinder 11 having a plurality of mixing plates 11 a and a plurality of lead plates 11 b similar to those of the first embodiment, a rotation gear 17 on the outer peripheral surface, and a clearance S 1 outside the inner cylinder 11.
  • the inner cylinder 11 and the closing plate 13 for closing the opening on the one end 10a side of the outer cylinder 12 in the direction of the axis P, and the outer surface of the closing plate 13 The opening portion on the other end side of the rotary drum 110 is rotatably supported and closed by a closing support plate portion 121e described later of the support portion 120.
  • the communicating passage S 2 which communicates with the gap portion S 1 between the inner cylindrical body 11 is formed in a circular or radial outer cylinder 12 is provided inside. Further, the center hole 15a of the shaft portion 15 is communicated with the communicating passage S 2.
  • the support portion 120 includes a base portion 21a disposed below the rotary drum 110, a gate-shaped support portion 121b standing from one end portion in the longitudinal direction of the base portion 21a, and the other end portion in the longitudinal direction of the base portion 21a.
  • a plurality of balls 121f as bearings provided between the plate portion 121e and the outer peripheral portion of the other end side of the outer cylindrical body 12 of the rotary drum 110 are provided.
  • a plurality of support rollers 21a 3 for rotatably supporting the rotary drum 110 provided in the first embodiment are omitted.
  • struts 121b of portal for supporting one end side of the rotary drum 110 includes a pair of column portions 121b 1 before and after being connected to the base portion 21a, which is fixed on the column sections 121b 1 a load cell 121b 2 of the weight measuring portion, and a beam portion 121b 3 connected on the load cell 121b 2, bearing portions 121d are fixed on the beam portion 121b 3.
  • Each load cell 121b 2 are electrically connected via a cable to the indicator (not shown), the load applied to each load cell 121b 2 are displayed as a load is input to the indicator is converted into an electric signal.
  • a pair of support portions 121c before and after supporting the other end of the rotary drum 110 includes a buffer portion 121c 1 which is connected to the base portion 21a, a fixed weight measured on the buffer unit 121c 1 having a load cell 121c 2 of the parts, connected on the load cell 121c 2 pillars portion 121c 3 and respectively.
  • a pair of load cells 121c 2 the indicator are electrically connected via a cable (not shown), the load applied to each load cell 121c 2 are displayed as a load is input to the indicator is converted into an electric signal.
  • the indicator may be configured to display also the total value of the load applied to the right side of the pair of load cells 121b 2 and the left side of the pair of load cells 121c 2.
  • the buffer unit 121c 1 is an element responsible for absorbing the thermal expansion of the rotary drum 110, cradle portion fixed on the base portion 21a 121 c 11, and a slide portion 121 c 12 which supports the load cell 121 c 2 and slidably mounts on the pedestal portion 121 c 11 .
  • Cradle portion 121c 11 is a rectangular block of metal, the top surface has a concave receiving surface 121c 111 which receives the sliding portion 121c 12. Further, in the pedestal portion 121c 11 , a roller 121c 112 is rotatably provided at a central position of the receiving surface 121c 111 about a vertical axis, and X around the roller 121c 112 (front and back position) in the receiving surface 121c 111 A plurality of concave grooves 121c 113 are provided, and a pair of grease injection paths 121c 114 and communication holes are provided from the front to the rear surface vicinity of the receiving portion 121c 11 so as to communicate with the X-shaped intersection of the concave grooves 121c 113 121c 115 are provided.
  • the grease is filled in the concave grooves 121 c 113 by injecting the grease into the grease injection paths 121 c 114 .
  • the lower surface of the cradle portion 121c 11 are formed screw holes for fixing by bolts to the base portion 21a.
  • Slide portion 121c 12 is a rectangular block body receiving surface 121c 111 metal formed to a smaller size than the cradle section 121c 11, a sliding surface 121c 121 in sliding contact with the lower surface receiving surface 121c 111 ing. Further, the sliding portion 121c 12, on its lower surface has a recess 121c 122 formed in the size of the roller 121c 112 fits.
  • the concave portion 121c 122 is formed in a rectangular shape long in the left-right direction (arrow X direction) in plan view, and the width in the front-rear direction (arrow Y direction) is set to be slightly wider than the diameter of the roller 121c 112 It is done.
  • the front and rear surfaces in the front and rear direction (arrow Y direction) are vertical surfaces 121c 1221, and the left and right surfaces in the left and right direction (arrow X direction) are inclined surfaces where the back part of the recess 121c 122 is narrowed. It is 121c 1222 .
  • the horizontal length of the recess 121c 122 of the slide portion 121c 12 (arrow X direction) inclined surface 121c 1222 the roller 121c 112 It is secured long enough not to collide with.
  • the slide portion 121c 12 is moved in the front-rear direction (arrow Y direction) by thermal expansion of the rotary drum 110 in the radial direction. It is assumed that the vertical surface 121 c 1221 before or after the recess 121 c 122 collides with the roller 121 c 112 when it also moves.
  • the closure support plate portion 121e includes a circular plate portion 121e 1 for closing the other end opening of the rotary drum 110, provided along the outer periphery of the circular plate portion 121e 1 and an outer peripheral wall portion 121e 2 of the short cylindrical, the other end portion of the rotary drum 110 to the outer peripheral wall portion 121e in 2 is fixed by fitted into a plurality of bolts.
  • the sealing member along with the between the outer peripheral wall portion 121e 2 and the rotary drum 110 sealing is ensured by the sealing member, a plurality of metal balls as the bearing between the outer peripheral wall portion 121e 2 and the rotary drum 110
  • the rotary drum 110 can rotate with respect to the closing support plate portion 121e.
  • the circular plate portion 121e 1 of the closure support plate portion 121e includes a charging port 121e 11 that allows introducing the stirrer was rotary drum 110 provided thereon, provided around the inlet 121e 11 the lid 121e 13 of the hopper 121e 12 and hopper 121e 12, and an outlet 121e 14 to be discharged is provided in the lower to be stirred material after stirring treatment from the rotating drum 110. externally, the opening and closing of the outlet 121e 14 And a lid 121 e 15 .
  • a glass window made of tempered glass is provided on the hopper 121e 12 and the opening and closing lid 121e 15 of the discharge port 121e 14 so that the inside of the rotary drum 110 can be viewed visually.
  • the support unit 120, the drain discharge pipe 122 for discharging the drain in the gap portion S1 to the outside circumferential wall 121e 2 of the closure support plate portion 121e communicates with the inside of the gap portion S1 of penetrating and rotary drum 110
  • a gas discharge pipe 123 for discharging the closure support plate portion 121e of the circular plate portion 121e 1 and a through and inside the communication with the gas of the inner cylindrical body 11 of the inner cylinder 11 of the rotary drum 110 to the outside the closure a circular plate portion 121e 1 of the support plate portion 121e and a water supply pipe 124 for supplying water to the inner cylinder 11 communicates with the inside of the through vital inner cover 11.
  • Drain pipe 122 communicates with the inside of the gap portion S1 of the rotary drum 110 through the bottom of the outer peripheral wall portion 121e 2 of the closure support plate 121e.
  • Gas discharge pipe 123, the closure support plate portion 121e of the circular plate portion 121e distal opening 123a to a position extending through the lower portion of the hopper 121e 12 and along the inner surface outer periphery of the circular plate portion 121e 1 upward in 1 It is provided.
  • Water supply pipe 124, the shower head 124a is provided at a position extending upwards along the inner surface outer peripheral portion of the through the lower portion of the hopper 121e 12 and the circular plate portion 121e 1 in the circular plate portion 121e 1 of the closure support part 121e It is done.
  • the drain discharge pipe 122 is connected to the water discharge means Le outside the figure
  • the gas discharge pipe 123 is connected to the gas discharge means Ge outside the figure
  • the water supply pipe 124 is connected to the water supply means Ws outside the figure. (See Figure
  • the drive unit 130 includes a drive motor 31 provided on the base 21 a of the support unit 20, a transmission 131 connected to the output shaft of the drive motor 31 to mesh with the rotation gear 17 of the rotary drum 10, and a transmission An output gear 32 fixed to the output shaft 131 is provided, and the drive motor 31 is configured to be capable of rotating the rotating drum 10 in the forward and reverse directions via the transmission 131, the output gear 32 and the rotation gear 17.
  • the rotary joint portion 140 is disposed on the shaft center P of the rotary drum 10 and is connected to the shaft portion 15 of the one end portion 10a as a rotary shaft 141 as a rotary body;
  • a fixed body 142 disposed on the shaft center P, and a mechanical seal 143 capable of sliding the rotary shaft 141 and the fixed body 142 in the rotational direction about the shaft center P via at least one seal ring;
  • the rotary shaft 141 is a cylindrical body having an end face in pressure contact with the end face of the shaft portion 15 of the rotary drum 10 through the seal member, and the mounting member 53 attached to the shaft portion 15 of the rotary drum 110 as in the first embodiment. It is pressed toward the shaft portion 15 by the (see FIG. 6) and rotates integrally with the rotating drum 110.
  • the rotary shaft 141 in the second embodiment has a structure in which the inner pipe portion 41a and the outer pipe portion 41b of the rotary shaft 41 in the first embodiment are integrally formed.
  • the fixed body 142 has a bottomed cylindrical casing 142a that airtightly covers the rotary shaft 141 to one end thereof.
  • the casing 142a is supported by the support portion 121b on one end side of the support portion 120 via the connection member 142b, and holds the rotary shaft 141 therein in an airtight and rotatable manner.
  • the casing 142a forms an annular space S 4 on the outer circumferential portion including a communicating hole 141x in the rotary shaft 141, the annular space S 4 and the inside of the communication channel S 3 and the communicating hole of the rotary shaft 141 communicating through 141x, and the center hole 15a of the shaft portion 15 of the communication channel S 3 and the rotary drum 110 is communicated.
  • connection port (not shown) connected to the water vapor supply pipe 125 is provided in a part of the casing 142a.
  • the steam supply pipe 125 is connected to the steam supply means Bs, which steam supplied from the steam supply means Bs by, through an annular space S 4 and the communication channel S 3 in the rotary joint 140 flows into the rotary drum 110 of the shaft portion 15 the center hole 15a of, further flows into the gap portion S 1 between the inner cylindrical portion 11 through the communication passage S 2 of the rotating drum 10 and the outer tube 12 be able to.
  • the mechanical seal 143 includes a floating ring 143a and a ring-shaped seal plate 143b as seal rings provided on the outer peripheral portion of the rotary shaft (rotary body) 141, and between the rotary shaft 141 and the seal plate 143b.
  • the floating ring 143a is disposed on the
  • the mechanical seal 143 in the second embodiment has basically the same structure as the mechanical seal 43 (see FIG. 6) in the first embodiment.
  • FIG. 16 is a view for explaining the method of treating organic waste by the stirring device of Embodiment 2, wherein (A) shows a charging step and (B) shows a fermentation treatment step.
  • FIG. 17 is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 2, Comprising: (A) and (B) show the continuation of the fermentation treatment process of FIG. 7 (B).
  • FIG. 18 is a figure explaining the disposal method of the organic waste by the stirring apparatus of Embodiment 2, Comprising: (A) shows the continuation of the fermentation process process of FIG. 8 (B), (B) is a discharge process.
  • a method of treating organic waste using the organic waste disposal device (stirring device) 101 of Embodiment 2 will be described with reference to FIGS. 10 to 15 and FIGS. 16 to 18.
  • the method of treating organic waste using the organic waste treatment apparatus 101 of Embodiment 2 is basically the same as the method of treating organic waste using the organic waste treatment apparatus 1 of Embodiment 1.
  • the direction of water supply, the direction of discharge of gas and drain, the method of charging and discharging organic waste, etc. are different from those of the first embodiment.
  • the gas discharge means Ge is driven to discharge the air A in the rotary drum 110 to the outside through the gas discharge pipe 123, and the pressure in the rotary drum 110 is maintained at a predetermined pressure during the fermentation process. Depressurize and adjust (FIG. 16 (B)). By reducing the pressure in the rotating drum 10, fermentation of the organic waste Ow by microorganisms is promoted.
  • the drive unit 130 is driven to rotate the rotary drum 110 about the axis P for a predetermined time while adjusting the fermentation treatment conditions as described in [1] to [3].
  • drain D of steam supplied into the gap portion S 1 of the rotary drum 110 is condensed because accumulated in the lower portion of the gap portion S 1, drives the water discharge means Le, the gap portion S 1 Drain D is discharged to the outside through drain 122.
  • liquid such as extra water is discharged from organic waste Ow during fermentation treatment, it falls to the gap S 1 side and is discharged to the outside, or it is converted to steam by heating to the inner cylinder 11. Discharged into
  • operation control such as rotation and stop of the rotary drum 110, rotation speed and rotation time, water supply, water vapor supply, gas discharge, water discharge, etc. is performed by operating an operation box (not shown) by an operator. To be done.
  • the operation box may be configured to complete the fermentation process by rotating the rotating drum while automatically adjusting to the preset fermentation process conditions when the operator presses the operation start button.
  • the organic waste Ow in the rotating drum 110 is lifted in the forward rotating direction (arrow J direction) by rotating the rotating drum 110 in the initial stage of the fermentation treatment step. When it is lifted to a certain height, it falls and it is agitated by repeating this. At this time, the organic waste Ow is lifted to a certain height without sliding on the inner surface of the inner cylinder 11 by the plurality of mixing plates 11 a provided on the inner surface of the inner cylinder 11.
  • the organic waste Ow is slowly moved from the other end 10b side to the one end 10a side of the rotary drum 110 while being stirred by the plurality of lead plates 11b provided on the inner surface of the inner cylindrical body 11. Then, as shown in FIG. 17A, when the organic waste Ow moves to the one end 10a side of the rotary drum 10 while being stirred, the drive motor 31 connected directly to the brakeable transmission 131 of the drive unit 130. The rotation of the rotary drum 110 is stopped by the control of.
  • the drive unit 130 is driven again to rotate the rotary drum 110 in the reverse direction (the direction of the arrow K), and the organic waste Ow in the rotary drum 110 is stirred. Slowly move to the end 10b side.
  • FIG. 18A when the organic waste Ow is moved to the other end 10b side of the rotary drum 10 while being stirred, the rotation of the rotary drum 110 is stopped. This completes the fermentation processing operation of one stroke.
  • the fermentation treatment operation is performed for two or more strokes until the organic waste Ow is in a desired powder state (fermentation degree).
  • FIG. 19 is an explanatory view showing a schematic structure of a stirring device according to a third embodiment.
  • the organic waste disposal apparatus (stirring apparatus) of the third embodiment is characterized in that the shaft portion 215a at one end of the rotating drum 210 is formed solid, the shaft portion 215a is rotatably supported by a bearing, and the rotating drum 210 Unlike the organic waste disposal device (stirring device) of the second embodiment, the point of supplying water vapor from the other end side and the point that a pair of front and rear buffer parts 121c 1 are provided on the support part 221b on one end side of the support part 220 The other configuration is substantially the same as that of the second embodiment.
  • points different from the second embodiment in the third embodiment will be mainly described.
  • a solid shaft portion 215a is provided on the closing plate 213 at one end side of the rotary drum 210, and this shaft portion 215a is a bearing portion It is rotatably supported on the gate-shaped support
  • the pair of cushioning portions 121c 1 is provided back and forth between the pair of column portions 121b 1 before and after the base portion 21a and the gate-shaped strut portion 121b of the supporting portion 220.
  • the cradle unit 121c 11 is fixed on the base portion 21a
  • the column portion 121b 1 on the cradle portion 121c 11 slidably sliding portion 121c 12 provided on are fixed .
  • the load cell 121b 2 of the weight measuring unit is provided between the pair of column portions 121b 1 and the beam portion 121b 3 back and forth.
  • the load cell 121c 2 is provided between the front and rear end side pair of support portions 121c and the base portion 21a of the support portion 220, a buffer unit 121c 1 is omitted.
  • the water vapor supply pipe 125 connected to the water vapor supply means Bs airtightly penetrates the closing support plate portion 121 e of the support portion 220 and the inner cylinder 11 and the outer cylinder 12 of the rotating drum 210. It communicates with the gap portion S 1 between, and adapted to supply steam from the inlet 121e11 side into the gap portion S 1.
  • the organic waste disposal apparatus 201 of Embodiment 3 configured in this manner can also ferment organic waste, as in the second embodiment.
  • the water supply means Ws and the gas discharge means Ge are connected to the same pipe communicating with the inner cylindrical body 11 of the rotary drum 210 as the switching valve V (see FIG. 7). May be connected via
  • Embodiment 4 The stirring device of Embodiment 4 is the same as that of Embodiment 1 except that the rotary joint portion 40 in the stirring device 1 of Embodiment 1 is different.
  • the floating ring 43 a of the mechanical seal 43 in the rotary joint portion 40 of the first embodiment is omitted.
  • sliding contact surface 43b 1 of the sliding contact surface 41b 1 sliding contact with the sealing plate 43b of the outer pipe portion 41b of the rotary shaft 41 is formed in a reverse tapered shape, or the sealing plate 43b sliding surface 43b 1 of sliding contact surface 41b 1 of the outer pipe portion 41b of the rotary shaft 41 in sliding contact is formed in the axial P perpendicular form with.
  • the mechanical seal may be comprised of one seal ring.
  • the configuration of the fourth embodiment can also be adopted for the second embodiment.
  • Embodiment 5 The stirring apparatus of Embodiment 5 is the same as that of Embodiment 1 except that the rotating drum 10 in the stirring apparatus 1 of Embodiment 1 is different.
  • the plurality of mixing plates 11a in the rotary drum 10 (see FIG. 1) of the first embodiment is omitted, and both ends in the longitudinal direction of the plurality of lead plates 11b are substantially parallel to the axial center P direction.
  • the bent pieces are provided opposite to each other to change the shape of the lead plate into a substantially Z shape. According to the substantially Z-shaped lead plate, the organic waste in the rotating drum can be lifted up to a certain height, dropped, and moved in the advancing direction.
  • the configuration of the fifth embodiment can also be adopted for the second and third embodiments.
  • Embodiment 6 When the size of the rotary drum in the stirring device is small, for example, when the diameter of the rotary drum is 1 m or less and the length is 1.5 m or less, the plurality of lead plates 11b in Embodiments 1 to 3 may be omitted. In this case, the rotary drum may be rotated only in one direction by the drive unit.
  • the stirring device of the present invention may be configured not to supply the fluid (steam, water, etc.) into the rotary drum and discharge the fluid (drain, air, etc.) from the rotary drum.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Accessories For Mixers (AREA)
  • Treatment Of Sludge (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Abstract

Le dispositif d'agitation se caractérise par un tambour rotatif cylindrique pouvant recevoir un matériau à agiter dans un état fermé, une unité de support pour soutenir en rotation le tambour dans une position horizontale, le centre axial du tambour rotatif constituant le pôle central, et une unité d'entraînement pour faire tourner le tambour rotatif, le tambour rotatif possédant une pluralité de saillies en contact avec le matériau à agiter sur sa surface périphérique intérieure.
PCT/JP2018/029257 2017-10-11 2018-08-03 Dispositif d'agitation et procédé de traitement de déchets organiques l'utilisant WO2019073673A1 (fr)

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JP2019547927A JP7475141B2 (ja) 2017-10-11 2018-08-03 撹拌装置およびそれを用いた有機廃棄物の処理方法
CN201880064255.0A CN111163857A (zh) 2017-10-11 2018-08-03 搅拌装置及使用该装置的有机废弃物的处理方法

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CN111659283A (zh) * 2020-06-21 2020-09-15 郑晓龙 一种动物饲料混料装置及其应用
CN113263712A (zh) * 2021-05-18 2021-08-17 四川炬原玄武岩纤维科技有限公司 玄武岩花箱和花箱制备工艺以及生产花箱用生产设备

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