JP2003088712A - Solid-liquid separator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solid-liquid separator capable of enhancing assembling properties and maintenance properties. SOLUTION: A drainage part for housing a solid-liquid mixture charged from a charging port 452 to perform the drainage treatment thereof on a liquid discharge part is formed by fixed teeth 441 and moving teeth 411 forming a circular arc shape and formed into a comb-tooth shape to be meshed with each other, a rotary plate 418 integrated with the moving teeth 411 and a side surface plate 420 and a solid component after drainage is allowed to fall to a solid discharge part along the rotary plate 418 by reversing the moving teeth 411. An apparatus housing is divided into an upper housing 450 and a lower housing 440 across the drive shaft 412 of the rotary housing 418 to form bearing parts 453 and 443 for holding the drive shaft 412 between both housings. A drive part housing (drive part base 470), which has recessed parts 471 and 491 fitted to the outer peripheries of the outside projected parts of both bearing parts 453 and 443 formed thereto, and a control part housing (control part base 490) are attached to both ends of the drive shaft 412.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in, for example, a waste water treatment device for treating waste water containing crushed food waste from a disposer, and the like, and solid-liquid separation for separating a solid-liquid mixture into a solid content and a liquid content. It relates to the device.

[0002]

2. Description of the Related Art As a solid-liquid separation device of this type, a solid-liquid separation device having improved solid-liquid separation performance is disclosed in Japanese Patent Application Laid-Open No. 2001-104923 (B09B 3/00) filed by the present applicant. ing.

Further, the applicant of the present application has newly proposed a solid-liquid separation device shown in FIGS. 18 to 22 which is an improvement of the above (Japanese Patent Application No. 2000-113308).

This solid-liquid separation device is constructed by accommodating a fixed tooth 110 and a movable tooth 120, each of which has a circular arc shape and is formed in a comb-tooth shape and meshed with each other, in a storage case (apparatus housing) 100. There is.

The storage case 100 is provided with a charging port 102 into which a solid-liquid mixture is charged on one side of a top plate 101, and drainage containing crushed food waste is supplied to the charging port 102 via a joint pipe 103. The ends of the air lift pipes 48 from the flow rate adjusting tank (not shown) for storing are connected.

Further, the bottom side of the storage case 100 is partitioned into a liquid discharge part 105 and a solid discharge part 106 by a partition part 104a, and the liquid discharge part 105 side is inclined downward from the partition part 104a toward the processing tank 43. In particular, there is a steep slope 108 near the partition 104a.

Further, the solid discharge section 106 is provided with a discharge cylinder 109 for directly dropping the separated solid content and introducing it into a composting device (not shown). This discharge tube 1
A connection pipe 130 that is fitted to be stretchable and is detachably inserted into the input port of the composting device is attached to 09, and the central portion of this connection pipe 130 is in contact with the outer edge of the input port of the composting device. A flange 131 is formed in contact therewith, and an operation handle 132 for expansion and contraction is provided at the upper end.

The fixed teeth 110 are attached so as to be positioned below the inlet 102 and above the liquid discharge portion 105, and a plurality of fixed teeth are arranged at regular intervals in a comb shape. The lower end of each fixed tooth 110 reaches above the partition 104a,
The end surface is an inclined surface 111 facing the solid discharging portion 106. Here, the partition part 104a and the arc lower end of the fixed tooth 110 located above the partition part 104a are formed with a sufficient space.

On the other hand, a large number of moving teeth 120 are arranged so as to be engaged with the respective comb-teeth-shaped fixed teeth 110 with a slight clearance, and the drive shaft 12 is provided at the center of the storage case 100.
21 and 22, which is integrated with the rotating plate 122 having the structure shown in FIG.
It is driven by the motor 123 shown in FIG. This moving tooth 12
0 is a large number of moving teeth 1 on both sides from the lower end of the rotating plate 122.
20 is formed in an anchor shape that extends in an arc shape, and both side surfaces between the moving tooth 120 and the rotating plate 122 on the side into which the solid-liquid mixture is input (the left side in FIG. 18) are covered with side plates 124. As shown in FIG. 18, the moving teeth 120 mesh with the fixed teeth 110 to form a bag-shaped drainer 125.

The moving tooth 120 is shown in FIG.
Is driven so as to swing between the state of FIG.

On the other hand, when the solid content after draining is put into the composting device, it is inverted to the state shown in FIG. 20, and the solid content remaining in the draining section 125 slides down on the rotating plate 122 to the solid discharging section 106. It is designed to fall. Here, in this inverted state, the tip portion 127a of the rotating plate 122 is configured to project below the lower end portion 111a of the fixed tooth 110.

Further, a torsion spring 129 extending from the upper side of the fixed tooth 110 is provided along the inner surface of the side plate 124 of the moving tooth 120.

[0013]

In the solid-liquid separation device configured as described above, both bearing portions of the drive shaft for driving the moving teeth are formed through the through holes in the side wall of the casing formed of a single plate. Although the bearing hole was formed, the strength was strong, but since the moving teeth, the side wall, the support plate, the motor, etc. were assembled in the axial direction in order, the assemblability was poor. Was also bad.

Regarding the torque transmission from the drive shaft to the moving teeth, the rotary plate 1 has a specific structure as shown in FIG.
22 and the mounting piece 120 of each moving tooth 120 mounted on this
A rear plate 129 for holding a mounting plate 120a of the movable tooth 120 from the rear side of the rotary plate 122 by making a hole 121a in a drive shaft 121 penetrating a and passing a pin, a screw 128, or the like.
It was fixed to and. However, in this configuration, when the transmission torque becomes large when a large amount of sludge adheres between the movable teeth 120 and the fixed teeth 110, the drive shaft 12
1, the pins, the screws 128, etc. may be damaged or sheared. As a countermeasure, drive shaft 1 should be protected from damage and shearing.
If 21 is made thicker, the rotating plate 122 and the like must be made thicker, so that the volume of the drainer 125 must be reduced, or the entire solid-liquid separation device must be enlarged.

Further, as shown in FIG.
The sludge adhesion preventing torsion spring 129 extended along the inner surface of the side plate 124 of No. 0 was extended obliquely downward from the upper portion of the fixed tooth 110, so that the torsion springs 129 shown in FIGS.
Even if the moving tooth 120 swings or reverses as shown in FIG.
A region where the adhered sludge cannot be scraped off remains on the upper side of the torsion spring 129 at the position shown in FIG. 8, and maintenance work increases.

In addition, the top plate 101 of the housing 100 is provided with an insertion port 1
Since 02 is formed, it is necessary to open the top plate 101 after removing the joint pipe 103 and the air lift pipe 48 attached to the inlet 102 at the time of maintenance performed by opening the top plate 101. It was Furthermore, since the opening is narrow only in the ceiling portion of the housing 100, it is difficult to perform maintenance work.

Further, as shown in FIGS. 18 to 20, the fixed teeth 110 are fixed by penetrating and fixing the upper and lower two places in the same direction as the drive shaft 121 by the shafts along with the side walls on both sides. Is the drive shaft 12 as shown in FIG.
Since it was fixed by penetrating at 1, fixed teeth 110 and moving teeth 12
There was also a problem in 0's assemblability and maintainability.

Therefore, the present invention has been made in order to solve such a problem, and an object thereof is to provide a solid-liquid separation device capable of improving assemblability and maintainability.

Another object of the present invention is to improve the strength around the shaft when the transmission torque becomes large, while ensuring the volume of the draining portion without increasing the size of the entire device.

[0020]

In order to achieve the above-mentioned object, the present invention integrates a fixed tooth, a moving tooth, and a moving tooth, which are formed in a comb-teeth shape and are meshed with each other. The rotating plate and the side plate form a drainer for storing the solid-liquid mixture charged from the charging port and draining the liquid on the liquid discharge part, and the solid content after draining is turned by reversing the moving teeth. It is configured to drop along the moving plate to the solid discharge part, and the device housing is divided into an upper housing and a lower housing with the drive shaft of the rotating plate as a boundary, and the drive shaft is sandwiched and supported by them. And a drive unit housing and a control unit housing, in which recesses are formed on both ends of the drive shaft, the recesses being fitted to the outer protrusions of the bearings. To do.

Further, a gear having a tooth groove extending in the axial direction is formed on the drive portion side of the drive shaft, and a transmission mechanism having a shape meshing with the tooth groove is provided in the drive portion to drive the drive portion including the transmission mechanism. It is characterized in that it can be inserted and removed in the axial direction of the shaft.

The drive shaft is not fixed in the axial direction by using a fixture such as a pin or a screw.

The drive shaft has a large diameter on the side of the drive unit and has a diameter D.
It is characterized in that it comprises a stepped shaft having a cut portion, and a reinforcing plate having a D cut hole into which the D cut portion of the drive shaft fits is attached to the drive portion side of the rotating plate. .

Further, the reinforcing plate has a convex portion or a concave portion that fits into a concave portion or a convex portion formed at a position apart from the drive shaft on the side surface side of the rotating plate, and a fixing tool such as a screw. It is characterized by being fixed by.

Further, the invention is characterized in that a sludge adhesion preventing member extending downward from the upper casing side located above the side surface plate on the drive shaft side along the inner surface of the side surface plate is provided.

Further, a maintenance cover is provided on the upper surface side of the upper casing, which can be opened and closed while avoiding the sludge adhesion preventing member and the solid-liquid mixture inlet.

Further, the maintenance cover is formed so as to be openable and closable from the upper surface side to the side surface side of the upper housing.

The fixed tooth is characterized in that it is detachably attached to the lower housing side and has a retaining mechanism.

Further, the fixing portion, to which the fixed teeth are fixed by the retaining mechanism, is detachably attached to the lower housing.

Further, the moving tooth is characterized by being fixedly mounted by a fixing member after being positioned and mounted in a mounting groove formed in the rotating plate through a positioning mechanism.

The solid-liquid mixture inlet may be formed obliquely downward or laterally above the drainer.

[0032]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Prior to a detailed description of the solid-liquid separator according to the present invention, one embodiment of a disposer wastewater treatment apparatus using the solid-liquid separator is shown in FIG. 16 (a),
An explanation will be given using (b). 16A is a schematic configuration diagram viewed from the upper surface side, and FIG. 16B is a schematic configuration diagram viewed from the side surface side.

This disposer wastewater treatment system comprises a solid-liquid separation tank 10, a treatment tank (aeration tank) 20, a precipitation separation tank 30, a solid-liquid separation apparatus 40, a composting (composting) apparatus 50, a blower pump 60, an air flow. The path switching device 70 and the like are included, and these are covered with a housing 80.

The solid-liquid separation tank 10 has an inflow pipe 11 from a disposer (not shown) and a solid-liquid separation device 40 from the bottom of the tank.
An air lift pipe 12 for air-lifting the crushed raw garbage and sludge and the like, and an air lift pipe 31 for returning sludge from the sedimentation separation tank 30 are provided. An air flow path switching device 70 is provided below the air lift pipe 12. An air pipe (not shown) from is connected. In addition, an outlet 14 is formed in the upper part of the tank for allowing the supernatant to naturally flow into the processing tank 20. In this solid-liquid separation tank 10, crushed food waste, sludge and the like are naturally settled to be separated into a solid content and a liquid content.

An air diffuser 21 for aeration is arranged in the center of the bottom of the processing tank 20, and an air pipe (not shown) from the air flow path switching device 70 is connected to the vertical pipe 22 thereof. In addition, the supernatant liquid is settling and separating tank 30 at the upper part of the tank.
An outflow port 23 is formed for allowing the water to naturally flow down.
Further, on both sides of the air diffuser 21, two rows of string-like filter media 24 are arranged as a carrier in which aerobic microorganisms live.
In this treatment tank 20, the aerobic microorganisms inhabiting the string-shaped filter medium 24 are activated by the aeration treatment using the air diffuser 21 to decompose the organic matter components in the water to be treated.

On the other hand, an air lift pipe 31 for returning the settled sludge from the bottom of the tank to the solid-liquid separation tank 10 is provided in the sedimentation separation tank 30, and an air pipe from the air flow path switching device 70 is provided under the air lift pipe 31. (Not shown) is connected. Further, a drain port 32 for allowing the supernatant liquid to flow down naturally is formed in the upper part of the tank, and a drain pipe (not shown) for sewage or the like is connected to the drain port 32. Also,
Outflow port 23 from treatment tank 20 and drainage port 3 to the above-mentioned sewage, etc.
A partition plate 34 whose lower part communicates with the second plate 2 is arranged. In this settling separation tank 30, sludge generated in the processing tank 20 is settled and separated at the bottom of the tank by natural settling.

The solid-liquid separation device 40 separates a solid-liquid mixture containing crushed food waste, sludge and the like, which is air-lifted from the solid-liquid separation tank 10, into a solid component and a liquid component by the structure described later, and the separated liquid component. Is returned to the solid-liquid separation tank 10, and the solid content is put into the composting device 50. This solid-liquid separation device 40 is
It is arranged above the composting device 50 and adjacent to the solid-liquid separation tank 10.

The composting device 50 decomposes the input solid content (organic matter) by microorganisms resident in a carrier stored in advance to compost it.

The air flow path switching device 70 switches the flow path of the air supplied from one blower pump 60 and supplies it to the above-mentioned respective parts.

In the above construction, the waste water containing the crushed food waste from the disposer is introduced into the solid-liquid separation tank 10 through the inflow pipe 11, and the crushed food waste and sludge, etc., which have been sedimented and separated here are air lift pipes 12. Solid-liquid separation device 40
Be thrown into.

The solid-liquid mixture charged into the solid-liquid separator 40 is separated into a solid component and a liquid component, and the liquid component is solid-liquid separation tank 1
The solid content is returned to 0 and is input to the composting device 50 to be composted by the organic substance decomposition treatment by the microorganisms.

Further, the supernatant liquid of the solid-liquid separation tank 10 naturally flows down to the processing tank 20, and the organic component is decomposed by the microorganisms inhabiting the string-like filter medium 24 by the aeration process by the air diffuser 21.

Then, the supernatant liquid of the treatment tank 20 naturally flows down to the sedimentation separation tank 30 to precipitate and separate sludge, and the supernatant liquid is discharged to the sewage or the like through the drain port 32. The sludge settled in the settling tank 30 is returned to the first-stage solid-liquid separating tank 10 by the air lift pipe 31, and is put into the solid-liquid separating apparatus 40 in the air lift pipe 12 together with the crushed food waste as described above to be collected. .

1 to 15 are views showing the configuration of a solid-liquid separation device 40 according to an embodiment of the present invention.

The solid-liquid separation device 40 of this embodiment is shown in FIGS.
As shown in FIG. 4, the moving tooth assembly 41 is composed of a large number of arcuate moving teeth 411 combined in a comb shape, and a large number of fixed teeth 441 forming an arc in the lower housing 440.
Lower housing fixed tooth assembly 4 in which teeth are combined in a comb shape
4, upper housing assembly 45, drive assembly 47,
The control unit assembly 49 and the like are provided, and an inlet 452 to which an elbow-shaped joint pipe 451 is attached is formed on the upper surface of one side of the upper housing 450, and a partition 401 is provided at the lower end of the lower housing 440, and a liquid discharge unit 402 and a solid body. Ejector 40
The discharge part 404 divided into 3 is attached.

In this solid-liquid separation device 40, the device housing is lower housing 440 with the drive shaft 412 of the moving tooth assembly 41 as a boundary.
Bearing parts 443, 453 that support the drive shaft 412 by sandwiching the drive shaft 412 via bearing members 413.

The drive shaft 412 is, as shown in FIG. 7A, a stepped shaft having a large diameter so that the drive unit side (the right end side in the drawing) can withstand a large torque. Part 4
12a is formed with a D-cut portion 415 whose both sides are cut in a step portion with a small diameter portion 412b, and a gear shape 416 such as a serration or spline whose tooth groove extends in the axial direction is formed on an end portion side. .

The moving tooth assembly 41 includes a large number of moving teeth 4
The side plate 42 forming both side surfaces of the water draining part 419 is provided on the rotating plate 418 having the mounting groove 417 (see FIG. 8) in which 11 is mounted.
0, a moving tooth base 421, a large number of moving teeth 411 having a mounting piece 422 formed at the center of an arc, a moving tooth 4
11, a back plate 423 serving as a pressing plate in the mounting direction, a D cut hole 424 (see FIG. 5) into which the D cut portion 415 of the drive shaft 412 is fitted for transmitting torque, and a side surface side of the moving tooth base 421. L-shaped reinforcing plate 427 formed of a stainless steel thick plate or the like having convex portions 426 that fit into concave portions 425 formed in two upper and lower positions apart from the drive shaft 412, D cut hole 424 and D cut portion on the side surface thereof. 415 is fitted and is composed of the above-mentioned drive shaft 412 or the like which serves as a shaft of the entire movable tooth assembly 41.

As shown in FIG. 8A, the moving tooth 411 is mounted by mounting the mounting piece 422 of the moving tooth 411 on the moving tooth base 4.
21 is inserted into the mounting groove 417 formed on the rotary plate 418, and two upper and lower convex portions 428 formed on the mounting groove 417 side.
Corresponding to this, the upper and lower two recesses 429 formed on the mounting piece 422 side of the moving tooth 411 are fitted and positioned, and after all the moving teeth 411 are mounted, they are pressed by the rear plate 423 from the mounting direction. Screw 43 as shown in FIG.
It is fixed by 0. After that, the above-mentioned L-shaped reinforcing plate 427 is provided with the convex portion 4 formed on the inner surface side thereof.
26 is a concave portion 4 formed on the side surface side of the moving tooth base 421.
The L-shaped reinforcing plate 427 is attached by fitting it to 25 and fixing it to the side surface of the moving tooth base 421 and the rear plate 423 with screws 431 and 432.

The mounting piece 422 of the moving tooth 411 is formed shorter than that shown in FIG. 23, and the drive shaft 412 does not penetrate therethrough. Therefore, as shown in FIG. 23, the drive shaft 12 is attached to the mounting pieces 120a of the plurality of moving teeth 120.
Since it is not necessary to fix it with the pin or screw 128 through 1, it is possible to easily perform the maintenance by assembling and disassembling, and the assemblability and the maintainability are improved.

Regarding the torque transmission to the moving tooth assembly 41, the D formed on the large diameter portion 412a of the drive shaft 412 is used.
The cut portion 415 fits into the D-cut hole 424 of the reinforcing plate 427 with a large surface, so that sufficient strength can be obtained. The reinforcing plate 427 that receives the torque transmission from the drive shaft 412 has the convex portion 42 formed inside thereof.
6 is tightly fixed by a screw 431 in a state in which it is fitted in a concave portion 425 formed at a position apart from the drive shaft 412 on the side surface side of the moving tooth base 421, and the reinforcing plate 427 is L-shaped, so Since the screw 432 is also closely fixed to the face plate 423 side, the torque from the drive shaft 412 is transmitted via the L-shaped reinforcing plate 427 to the moving tooth base 421 and the rear plate 42.
Since it is transmitted to the whole 3, the effect of improving the strength around the axis when the transmission torque becomes large is sufficiently obtained.

Further, according to the above, since torque is hardly applied to the small diameter portion 412b of the drive shaft 412, the diameter can be made quite small, so that the volume of the draining portion 419 can be sufficiently secured without increasing the size of the device. In addition, the drive shaft 412 can be reduced in weight and cost.

In this embodiment, the moving tooth base 42
Although the concave portion 425 is formed on the side surface side of No. 1 and the convex portion 426 is formed on the inner surface side of the L-shaped reinforcing plate 427, conversely, the convex portion is formed on the side surface side of the moving tooth base 421, and the L-shaped reinforcing plate 427 is formed. It is also possible to form a recess on the inner surface side of the.

The lower housing fixed tooth assembly 44 is
The lower housing 440, a large number of fixed teeth 441, a fixed tooth insertion stay 442, and the like are provided, and the claw fitting is made easy to remove in consideration of the assemblability and the maintainability when the fixed teeth 441 are worn.

That is, as shown in FIG. 9 and FIG.
At the upper and lower ends of each fixed tooth 441 forming an arc, the insertion pieces 444,
445 is formed, and the lower housing 4 is correspondingly formed.
Insertion grooves 446 and 447 are formed in the fixed tooth insertion stay 442 that is bridged between the upper end and the bottom of the side wall of 40. Then, in the insertion piece 445 on the lower end side, the lateral hole 447a formed in the insertion groove 447 of the fixed tooth insertion stay 442.
A claw 445a that is hooked on is formed to constitute a retaining mechanism.

When removing the fixed teeth 441, the same as shown in FIG.
As shown in (c), the lateral hole 4 on which the claw 445a is caught
By inserting a screwdriver or the like into 47a and pushing the claw 445a, the claw fitting is disengaged and the claw 445a can be easily removed.

The upper end side of the fixed tooth 441 has the insertion piece 4
44 is removably inserted into the insertion groove 446 on the upper side of the side wall of the lower housing 440, and the insertion piece 444a is formed on the upper side thereof, and the insertion piece 444a covers the upper housing 450. At this time, it is inserted into and fixed to the insertion groove 454 (shown in FIG. 2) formed at the lower end thereof.

Further, as shown in FIG. 9, the fixed tooth inserting stay 442 is detachably attached to the lower housing 440 with a screw 448, and the fixed tooth inserting stay 442 removed. Since the fixed tooth 441 can be mounted on the lower housing 440 after the fixed tooth 441 is attached to the lower housing 440 or the worn fixed tooth 441 can be replaced by removing the fixed tooth inserting stay 442, the assembling property and the maintainability are further improved. .

On the other hand, the upper housing assembly 45 is a torsion spring 4 for scraping off sludge adhering to the inner surfaces of the upper housing 450 and the side plates 420 of the moving tooth assembly 41.
55 and its spring cover 456, a maintenance cover 457, a butterfly bolt 458 and the like.

The torsion springs 455 are attached to the upper surfaces of both sides of the upper casing 450 located above the side plates 420 on the drive shaft side, and extend downward along the inner surface of the side plates 420.
The mounting portion of is covered with a spring cover 456. By attaching the torsion spring 455 in this way, the movable tooth assembly 41 swings or inverts from the state shown in FIG. 2, so that sludge attached to almost the entire inner surface of the side plate 420 can be scraped off. The sludge adhesion area can be reduced and the maintainability is improved.

On the upper surface side of the upper housing 450, the side opposite to the portion where the inlet 452 is formed is arcuate toward the joint with the lower housing 440, as shown by the diagonal lines in FIG. In addition, the opening 459 is formed except for the portion where the input port 452 is formed and the portion where the torsion spring 455 is attached.
The opening 459 is provided with an arc-shaped maintenance cover 457 (see FIG. 12) that can be opened and closed while avoiding the mounting portion of the torsion spring 455 and the formation portion of the insertion port 452. The maintenance cover 457 has a handle 460 at the center of the upper surface and has an inlet 4 at the upper end.
Hook portions 461 to be hooked on the upper edges of both sides of 52 are formed, and a butterfly bolt 458 is attached to a mounting hole 462 formed on the lower end side.
Through the screw hole 46 formed on the lower edge side of the opening 459.
It is fixed by screwing it to 3.

With this structure, when the upper housing 450 is covered from above the moving tooth assembly 41 mounted on the lower housing 440, the torsion spring 455 extends along the inner surface of the side plate 420 of the moving tooth assembly 41. Can be easily confirmed whether or not it has been set, and at the time of maintenance performed by removing the maintenance cover 457,
Joint pipe 451 attached to input port 452
Since the handle 460 can be easily opened by simply removing the butterfly bolt 458 without removing them, the assemblability and the maintainability are improved. Furthermore, since the opening 459 is not wide only in the ceiling portion as shown in FIG. 23 but extends from the upper surface to the side surface, maintenance is very easy.

Further, as shown in FIG. 1, FIG. 4, FIG. 14, FIG. 15 and the like, the drive assembly 47 includes a semi-cylindrical bearing portion 4 provided in each of the upper housing 450 and the lower housing 440.
The recesses 471 and the respective housings 44 that are fitted to the outer periphery of the 53, 443.
Drive unit base 470, a motor 473, a reduction gear assembly 474 including a worm gear (not shown), and an input shaft thereof. A large pulley 475 mounted on the motor output shaft, a small pulley 476 mounted on the motor output shaft, a drive belt 477 spanned by these, a phase advance capacitor 478 for improving the power factor of the motor 473, a fixed plate 479, and a drive unit base. Four
A cover 480 and the like, which together with 70 form a drive unit housing, are configured.

The worm gear in the reduction gear assembly 474 meshes with the gear shape 416 in which a tooth groove is formed in the axial direction of the drive shaft 412, so that the drive unit assembly 47 including the reduction gear assembly 474 is connected to the shaft of the drive shaft 412. Since it is configured so that it can be inserted and removed in the direction, the assembling property and the maintainability are also improved in this part.

The control unit assembly 49, like the drive unit assembly 47, has an upper housing 450 and a lower housing 44.
Semi-cylindrical bearing portions 453, 443 provided in each
The control unit base 490 and the drive shaft 412 are connected to the control base 490 and the drive shaft 412. The recess 491 is fitted to the outer periphery of the housing and the bosses 449 and 464 protruding from the housings 440 and 450 are formed. Moving control disk 493, sensor substrate 494, photosensor 495, and control unit base 4
A cover 496 and the like, which together with 90 form a control unit housing, are configured. By detecting a hole formed at a predetermined position on the outer peripheral side of the control disk 493 with the photo sensor 495, the swinging operation and the reversing operation of the moving tooth assembly 41 are controlled.

Assembling of the solid-liquid separation device 40 in which each part is constituted as described above is performed by first positioning the drive shaft 412 on the bearing portion 443 on the lower housing fixed tooth assembly 44 in which the fixed teeth 441 are combined. Then, the moving tooth assembly 41 is placed so that the moving tooth 411 meshes with the fixed tooth 441.
The upper housing assembly 45 is put on from above. And
The drive unit base 470 and the control unit base 4 are made to correspond to the respective end portions of the drive shaft 412 protruding from the both bearing portions 443, 453.
90 is attached, and the bosses 449 on the side of the housings 440 and 450,
After screwing to 464, each cover 480,
Since it is sufficient to mount the 496, the assembling property is improved as compared with those shown in FIGS. 18 to 23. Further, the maintenance work is also improved because the work opposite to the above may be carried out at the time of disassembly and maintenance.

Further, in order to improve the above-mentioned assemblability and maintainability, the drive shaft 412 is divided into an upper housing 450 and a lower housing 440. However, the upper housing 450 and the lower housing 4 are separated.
At the time of large torque, by fitting the recesses 471, 491 formed in the drive unit assemblies 47 on both sides and the control unit assembly 49 to the outer periphery of the outer protruding portions of the bearing units 453, 443 formed at the joint portion of 40, Since the opening of the bearing is taken, the strength of the bearing can be sufficiently secured.

Further, the drive shaft 412 is the same as that shown in FIGS.
Since the drive shaft 412 can be easily pulled out and inserted in the axial direction because it is not fixed by using a pin, a screw or the like as shown in FIG. 3, the assembling property and the maintainability are further improved.

The basic operation of the solid-liquid separation device 40 described above is the same as that shown in FIGS. 18 to 23. First, the moving tooth assembly 41 in the solid-liquid separation device 40 is inserted from the input port 452. A solid-liquid mixture containing crushed food waste and sludge crushed by a disposer or the like is put into a drainer 419 formed with the lower housing fixed tooth assembly 44, and the moving tooth assembly 41 is rocked at a constant angle. Thus, the liquid component is drained from the gap between the moving tooth 411 and the fixed tooth 441 to the liquid discharge part 402 to drain water.

After draining, the moving tooth assembly 41
Is rotated and inverted, and the remaining solid content is dropped to the solid discharge portion 403, whereby solid-liquid separation is performed.

FIGS. 17 (a) and 17 (b) are vertical sectional views showing a comparison between the above embodiment and another embodiment of the present invention, and the same reference numerals as those in the above embodiment are the same. Or, the corresponding portion is shown.

In this embodiment, as shown in FIG. 17B, the upper surface of the upper casing 450 is formed in an arc shape over the draining portion 419, and the solid-liquid mixture inlet 452 is formed in the draining portion 419. It is formed obliquely upward and downward.

As a result, the height is reduced by the height H as compared with the upper housing 450 having the downward insertion port 452 formed as shown in FIG. 17A.

Since the height of the solid-liquid separation device 40 as a whole is lowered as described above, the height of the entire wastewater treatment device having the solid-liquid separation device 40 as shown in FIG. It is possible to reduce costs by making it compact.

In the above, the solid-liquid mixture inlet 45 is used.
Although 2 is formed obliquely downward and above the drainer 419, it may be formed laterally on the upper side surface side of the drainer 419.

Further, in each of the above embodiments, the case where the present invention is applied to the solid-liquid separation device of the disposer wastewater treatment device has been described, but the present invention is not limited to this, and the solid-liquid mixture is used as a solid component. The present invention can be applied to various solid-liquid separation devices as long as it can be separated into liquid components.

[0078]

As described above, according to the present invention, a fixed plate, a movable plate, and a rotating plate and a side plate, each of which has a circular arc shape and is formed in a comb-tooth shape and meshed with each other, are integrated. Form a drainer for draining the solid-liquid mixture charged from the charging port and draining it on the liquid discharge part, and the solid content after draining is reversed by moving teeth to the solid discharge part along the rotating plate. In addition to dropping, the device housing is divided into an upper housing and a lower housing with a drive shaft of the rotating plate as a boundary, and a bearing portion for sandwiching and supporting the drive shaft therebetween is formed, and By mounting the drive unit housing and the control unit housing on both ends of the drive shaft, with the recesses that fit on the outer peripheries of the outer protrusions of both bearing parts, the strength of the bearing unit is ensured while the assembly is performed. Properties and maintainability by disassembling are improved.

Further, a gear shape having tooth grooves extending in the axial direction is formed on the drive portion side of the drive shaft, and a transmission mechanism having a shape meshing with the tooth groove is provided in the drive portion to drive the drive portion including the transmission mechanism. Since it is configured to be removable in the axial direction of the shaft,
Assembly and maintenance are improved.

Further, since the drive shaft is not fixed in the axial direction by using a fixing tool such as a pin or a screw, the drive shaft can be easily inserted and removed in the axial direction, and the assembling property and the maintainability are further improved.

The drive shaft has a large diameter on the side of the drive unit and is D
The entire device is made large by including a stepped shaft having a cut portion, and mounting a reinforcing plate having a D cut hole into which the D cut portion of the drive shaft fits on the drive portion side of the rotating plate. While securing the volume of the drainage part without
It is possible to improve the strength around the shaft when the transmission torque increases.

Further, the reinforcing plate has a convex portion or a concave portion that fits into a concave portion or a convex portion formed at a position apart from the drive shaft on the side surface side of the rotating plate, and a fixing tool such as a screw. Therefore, the strength around the shaft can be further improved when the transmission torque increases.

Further, since the sludge adhesion preventing member is provided so as to extend downward along the inner surface of the side plate from the side of the upper casing located above the side plate on the side of the drive shaft, the movable teeth are swung or inverted. As a result, the sludge adhered to almost the entire circumference of the inner surface of the side plate can be scraped off, so that the sludge adhered range can be reduced and the maintainability is improved.

Furthermore, the sludge adhesion prevention member and the maintenance cover which can be opened and closed avoiding the inlet of the solid-liquid mixture are provided on the upper surface side of the upper housing, so that the sludge adhesion prevention member is a side plate of the moving tooth. It is possible to easily check whether or not it is set along the inner surface of the, and at the time of maintenance performed by removing the maintenance cover, it can be easily opened without removing the joint pipe etc. attached to the input port. Performance and maintainability are improved.

Further, since the maintenance cover is formed so as to be openable and closable from the upper surface side to the side surface side of the upper housing, it is not only the opening of the ceiling portion but a wide opening extending from the upper surface to the side surface. Therefore, maintenance becomes easy.

Since the fixed teeth are detachably attached to the lower housing side and have a retaining mechanism,
It also improves the assembly and maintenance of fixed teeth.

Further, since the fixed portion to which the fixed tooth is fixed by the retaining mechanism is detachably attached to the lower housing, the assembling property and the maintainability of the fixed tooth are further improved.

Further, since the moving tooth is positioned and mounted in the mounting groove formed in the rotating plate through the positioning mechanism and then fixed by the fixing member, the assembling property and maintenance of the moving tooth are maintained. The property is also improved.

Further, by forming the inlet for the solid-liquid mixture to be obliquely downward or laterally above the drainer, the height of the solid-liquid separator as a whole is lowered, and the drainage equipped with this solid-liquid separator is reduced. Since the overall height of the processing device and the like is also reduced, it is possible to make the device compact and reduce costs due to the compactness.

[Brief description of drawings]

FIG. 1 is a vertical sectional view along a drive shaft of a solid-liquid separation device according to an embodiment of the present invention.

FIG. 2 is likewise a vertical cross-sectional view in a direction perpendicular to the drive shaft.

FIG. 3 is a top view of the same.

FIG. 4 is a part development view of the same.

5A and 5B are views showing a state in which the drive shaft of the moving tooth assembly in the above embodiment is not passed through, FIG. 5A is a partial cross-sectional view seen from the rear side, and FIG. 5B is a side view.

FIG. 6 is a view showing a state in which the drive shaft of the moving tooth assembly is passed through, FIG. 6A is a partial cross-sectional view seen from the back side;
(B) is a side view.

FIG. 7 is a view showing the drive shaft alone, (a) is a side view,
(B) The figure seen from the small diameter part side.

8A and 8B are views for explaining the assembling property of the moving tooth assembly, FIG. 8A is a view showing an assembling procedure, and FIG. 8B is a side view after assembling.

FIG. 9 is a vertical cross-sectional view of the central portion of the lower housing fixed tooth assembly in the above embodiment.

FIG. 10 is a view for explaining the assembling property of the lower housing fixed tooth assembly, (a) showing an assembling procedure;
(B) is a side sectional view after assembly, (c) is an enlarged view of portion A of (b).

11 is a vertical cross-sectional view showing a state in which the maintenance cover is removed from the state shown in FIG.

FIG. 12 is a view showing the maintenance cover alone,
(A) is a top view and (b) is a side sectional view.

FIG. 13 is a top view of the solid-liquid separation device in which a maintenance cover is removed and an opening is hatched.

FIG. 14 is a top view of the solid-liquid separation device, which is shown in a cross-section so that a schematic configuration in a drive unit assembly can be seen.

FIG. 15 is a side view of the solid-liquid separator, showing a drive unit assembly with a cover removed.

16A and 16B are views showing an embodiment of a disposer wastewater treatment device using the solid-liquid separation device, in which FIG. 16A is a schematic configuration view seen from the top side, and FIG. 16B is a schematic configuration view seen from the side side. .

FIG. 17 is a vertical cross-sectional view showing a comparison between the above embodiment and another embodiment of the present invention, (a) showing the above embodiment, and (b) showing another embodiment. The form is shown.

FIG. 18 is a vertical cross-sectional view showing a conventional example of a solid-liquid separation device, showing a state in which a moving tooth is at a home position when rocking.

FIG. 19 is also a vertical cross-sectional view showing a conventional example of a solid-liquid separation device, showing a state in which a moving tooth is in an upper position when rocking.

FIG. 20 is a vertical cross-sectional view showing a conventional example of a solid-liquid separator, showing a state in which moving teeth are reversed.

FIG. 21 is a top view of the conventional solid-liquid separation device with the top plate removed.

22 is a cross-sectional view taken along the line AA of FIG.

FIG. 23 is a diagram showing a specific configuration for explaining torque transmission from the drive shaft to the moving teeth in the conventional example.

[Explanation of symbols]

40 Solid-liquid separation device 402 Liquid discharge part 403 Solid discharge part 41 Moving tooth assembly 411 moving teeth 412 drive shaft 412a Large diameter part 412b small diameter part 415 D cut part 416 Gear shape 417 mounting groove 418 Rotating plate 419 Drainer 420 Side plate 421 Moving tooth base 422 attachment piece 423 back plate 424 D cut hole 425 recess 426 convex 427 L-shaped reinforcing plate 428 convex 429 recess 430,431,432 screws 44 Lower housing fixed tooth assembly 440 lower housing 441 fixed teeth 442 Fixed tooth insertion stay 443 bearing 444, 444a, 445 Insertion piece 445a claw 446,447 insertion groove 447a side hole 448 screws 45 Upper case assembly 450 upper housing 451 joint pipe 452 input port 453 bearing 455 torsion spring 456 spring cover 457 maintenance cover 458 butterfly bolt 459 opening 47 Drive Assembly 470 Drive base 471, 472 recess 473 motor 474 reduction gear assembly 480 cover 49 Control Assembly 490 Control unit base 491, 492 recess 493 Control disk 495 photo sensor 496 cover

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B01D 29/88 B01D 23/24 Z 33/27 33/44 33/58 B09B 5/00 ZAB (72) Invention Yoshihiro Tanimoto 2-5-5 Keihanmoto-dori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Keiichi Fujimoto 2-5-5 Keihan-hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. ( 72) Inventor Kozo Akamatsu 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (72) Inventor Hiroyuki Takami 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. In-house F-term (reference) 4D004 AA03 AB01 CA04 CA13 CB08 CB13 CB15 4D026 BA03 BB01 BC04 BC06 BD01 BD06 BE11 BF11 4D041 AA01 AB07 AC09 AD01 AD09 AD11 CB09 CC02

Claims (12)

[Claims] 1. A solid liquid which is introduced from an inlet by means of a rotating plate and a side plate, each of which has a fixed tooth, a movable tooth, and a movable tooth which are formed in a comb-tooth shape and mesh with each other and which are meshed with each other. A structure is provided in which a drainer for storing the mixture and draining water on the liquid discharge part is formed, and the solid content after draining is reversed to the solid discharge part along the rotating plate by reversing the moving teeth, and the device housing Is divided into an upper casing and a lower casing with a drive shaft of the rotating plate as a boundary, and a bearing portion for sandwiching and supporting the drive shaft is formed between the upper casing and the lower casing, and both bearing portions are provided on both end sides of the drive shaft. A solid-liquid separation device, characterized in that a drive unit housing and a control unit housing, each of which has a concave portion to be fitted on the outer periphery of the outer protruding portion, are attached. 2. A gear having a tooth groove extending in the axial direction is formed on the drive portion side of the drive shaft, and a drive mechanism having a shape meshing with the tooth groove is provided in the drive portion to drive the drive portion including the drive mechanism. The solid-liquid separation device according to claim 1, wherein the solid-liquid separation device is configured to be removable in the axial direction of the shaft. 3. The solid-liquid separation device according to claim 1, wherein the drive shaft is not fixed in the axial direction by using a fixture such as a pin or a screw. 4. The drive shaft is a stepped shaft having a large diameter on the drive portion side and having a D cut portion, and a D cut portion of the drive shaft fitted to the drive portion side of the rotating plate. A reinforcing plate having a cut hole is attached to the reinforcing plate.
The solid-liquid separation device according to claim 3. 5. The reinforcing plate has a convex portion or a concave portion that fits into a concave portion or a convex portion formed at a position apart from the drive shaft on the side surface side of the rotating plate, and a fixing tool such as a screw. The solid-liquid separation device according to claim 4, wherein the solid-liquid separation device is fixed by. 6. A sludge adhesion preventing member extending downward along the inner surface of the side plate from the side of the upper casing located above the side plate on the side of the drive shaft. 5. The solid-liquid separation device according to any one of 5 above. 7. The solid-liquid separation according to claim 6, further comprising a maintenance cover, which can be opened and closed on the upper surface side of the upper housing, avoiding the sludge adhesion preventing member and the solid-liquid mixture inlet. apparatus. 8. The solid-liquid separation device according to claim 7, wherein the maintenance cover is formed so as to be openable and closable from the upper surface side to the side surface side of the upper housing. 9. The solid-liquid separation device according to claim 1, wherein the fixed tooth is detachably attached to the lower housing side and has a retaining mechanism. 10. The solid-liquid separation device according to claim 9, wherein the fixed portion to which the fixed tooth is fixed by the retaining mechanism is detachably attached to the lower housing. 11. The moving tooth is fixed by a fixing member after being positioned and mounted through a positioning mechanism in a mounting groove formed in the rotating plate. The solid-liquid separation device according to any one of 1. 12. The solid-liquid separation device according to claim 1, wherein an inlet for the solid-liquid mixture is formed obliquely downward or laterally above the drainer.