JP2010125438A - Solid/liquid separator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safe solid/liquid separator that does not require a solid-matter crusher. <P>SOLUTION: The solid/liquid separator includes a plurality of rotary vanes 27 coaxially attached onto a rotary shaft 21, a container 30 that rotatably houses the plurality of rotary vanes 27, a strainer 23 that divides the housing space into an upper section and a lower section, an inflow port 37 for feeding a solid and a liquid into the upper section of the housing space, a water discharge plug 45 attached to the inflow port 37, a take-out port 41 for discharging solid matter removed of water by the strainer 23, a water discharge port 36 for discharging a liquid removed from the solid matter, a driver 22 that drives and rotates the rotary shaft 21, and a water-discharge plug detector 48 that detects the presence or the absence of the water discharge plug 45 attached to the inflow port 37. The plurality of rotary vanes 27 are allowed to rotate for a first predetermined period only when the water-discharge plug detector 48 begins to detect the presence of the water discharge plug 45. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a solid-liquid separator that separates waste liquid containing solids such as garbage into solids and liquids.

  Conventionally, this type of solid-liquid separation device is used in a garbage disposal device that crushes and dehydrates garbage generated in a kitchen or the like (see, for example, Patent Document 1). FIG. 5 shows a conventional solid-liquid separation apparatus described in Patent Document 1. In FIG.

  This solid-liquid separation device includes a protrusion 1 that protrudes to the outer periphery at a predetermined interval (for example, a protrusion height of 10 mm), a protrusion 2 that protrudes to the inner periphery, and a bifurcated protrusion that extends to the inner peripheral surface. A cylindrical strainer 5 is configured by laminating a plurality of circular ring bodies 4 forming the pieces 3.

  The first horizontal member 7 has a plurality of circular ring bodies 4 mounted thereon and is engaged with the protrusions 2 on the surface so that the circular ring bodies 4 are provided with gaps (for example, 0.5 mm). A plurality of engaging portions 6 are formed on each side surface in the circumferential direction of the strainer 5 and in the longitudinal direction.

  A plurality of second horizontal members 8 are mounted across a pair of circular rings 4 at both ends, and are engaged with the bifurcated projecting piece 3 to restrict the protruding part 2 from being disengaged from the engaging part 6. . The connecting body 10 connects the first horizontal member 7 and the rotating shaft 9.

  The container 11 forms a substantially cylindrical space larger than the strainer 5 so as to lie sideways, and incorporates the strainer 5 so as to be rotatable. The inflow port 12 is located outside the strainer 5 and flows in the solid liquid that opens to the end surface of the container 11 that is deformed so as to expand outward. The drain port 13 is located inside the strainer 5 and drains the liquid that has passed through the gap of the strainer 5 to the end surface of the container 11.

  The scraper 14 scrapes off solid matter adhering to the circular ring body 4 with its tip entering each gap of the strainer 5. The spacer 15 adjusts the position of the scraper 14 in each gap of the strainer 5.

  The take-out port 16 discharges the solid matter scraped by the scraper 14 opened on the peripheral surface of the container 11 to the outside. A lid 18 is attached to the hinge 17 at the edge of the outlet 16, and the lid 18 is pressed against the scraper 14 by a pressurizing means 19 (spring).

  The operation of the solid-liquid separator configured as described above will be described.

  The solid-liquid separator first crushes raw garbage charged with a crusher (not shown), and then the mixed solid-liquid flows into the container 11 from the inlet 12. And since the rotating shaft 2 rotated by a drive part (not shown) rotates the strainer 5 via the coupling body 10 and the 1st horizontal member 7, the protrusion part 1 makes a solid substance (crushed garbage). Raise it. Thereafter, the solid matter riding on the protrusion 1 and the solid matter adhering to the outer surface of the circular ring body 4 are peeled off from the strainer 5 by the scraper 14. The solid material peeled off by the scraper 14 is dehydrated by the lid 18 pressed by the pressurizing means 19 and collected (discharged) from the outlet 16 to an external drying processing means (not shown).

In addition, the liquid (tap water, garbage soup, etc.) adhering to the solid matter passes through the gap of the strainer 5 by its own weight and is drained from the drain port 13.
Japanese Patent No. 3600474

  However, the conventional solid-liquid separation device has a problem in that the size of the solid matter that the protrusion 1 lifts up is limited by the height of the protrusion 1, so that a crusher that crushes the solid is necessary. It was.

  Specifically, a solid material having a size equivalent to that of the inlet 12 (for example, a diameter of 30 mm) cannot be lifted up by the protrusion 1 and the solid matter is clogged in the vicinity of the inlet 12 and does not flow. The clogged solids lock the movement of the strainer 5.

  On the contrary, since the fine solid matter generated when the crusher crushes the solid matter passes through the gap of the strainer 5 and is drained from the drain port 13, it is inevitable that the water quality is deteriorated. The commercially available product has a dry weight recovery rate of about 70%, and fine solids with a dry weight recovery rate of about 30% are discharged from the drain port 13, thus deteriorating the quality of the waste water.

  In addition, if the protrusion height of the protrusion part 1 is made high, the shape of the container 11 will become large if the diameter of the circular ring body 4 is not made small by the part which made the protrusion part 1 high. If the shape of the container 11 is not changed, the drainage port 13 also becomes smaller as the diameter of the circular ring body 4 is reduced, so that the drainage performance is deteriorated.

  This invention solves the said subject, and it aims at providing the solid-liquid separation apparatus which operate | moves safely and reliably, without requiring the solid crusher.

  In order to solve the above-described conventional problems, a solid-liquid separator according to the present invention includes a plurality of rotating blades provided around a rotating shaft, a container in which the rotating blades are rotatably stored in a storage space, and the storage A strainer arranged to divide the space into an upper part and a lower part, an inflow port for introducing a solid-liquid composed of a solid and a liquid into the upper part of the storage space, a drain plug attached to the inflow port, An outlet for discharging the solid matter drained by the strainer, a drain port for discharging the liquid accumulated in the lower part of the storage space, a drive unit for rotationally driving the rotating shaft, and a drain attached to the inflow port A drain plug detection unit that detects the presence or absence of a plug, and the rotating blade rotates the first predetermined period only when the drain plug detection unit starts to detect the presence of the drain plug.

  As a result, when the user removes the drain plug from the inlet, puts solid waste or waste water into the container from the inlet, and then inserts the drain plug into the inlet, the drain plug detector immediately starts the drain plug. The solid-liquid separation process is started by rotating the rotary blade.

  And since the rotary blade is rotated for the first predetermined period only when the drain plug detector starts to detect the presence of the drain plug, the user cannot insert the rotary blade into the container by the inserted drain plug, Even if it is rotating, the safety of the user can be ensured. Further, since the stopped state is continued when the rotating blades are rotated and stopped for the first predetermined period, the power consumption can be greatly reduced as compared with the case where the rotating blades are continuously operated.

  As described above, according to the present invention, a safe solid-liquid separator that does not require a solid crusher is provided.

  A first invention is a plurality of rotating blades provided around a rotating shaft, a container in which the rotating blades are rotatably stored in a storage space, and a strainer disposed so as to divide the storage space into an upper portion and a lower portion. An inflow port for introducing a solid liquid composed of a solid and a liquid into the upper portion of the storage space, a drain plug attached to the inflow port, and an outlet for discharging the solid material drained by the strainer And a drain outlet for discharging the liquid accumulated in the lower part of the storage space, a drive unit for rotationally driving the rotating shaft, and a drain plug detection unit for detecting the presence or absence of a drain plug attached to the inflow port. In addition, the solid-liquid separator is configured to rotate the rotary blade for a first predetermined period only when the drain plug detection unit starts to detect the presence of the drain plug.

  As a result, when the user removes the drain plug from the inlet, puts solid waste or waste water into the container from the inlet, and then inserts the drain plug into the inlet, the drain plug detector immediately drains. The presence of a plug is detected, and the rotating blade is rotated to start the solid-liquid separation process. The solid material is drained by a natural drop of water droplets, and the solid material accumulated on the strainer is transported on the strainer by the rotation of the rotary blade and discharged to the outside from the outlet.

  And since the rotary blade is rotated for the first predetermined period only when the drain plug detector starts to detect the presence of the drain plug, the user cannot insert the rotary blade into the container by the inserted drain plug, Even if it is rotating, the safety of the user can be ensured. Further, since the stopped state is continued when the rotating blades are rotated and stopped for the first predetermined period, the power consumption can be greatly reduced as compared with the case where the rotating blades are continuously operated.

  In the second invention, in particular, when the drain plug detection unit of the first invention detects that the drain plug is absent, the rotation of the rotary blade is forcibly stopped so that the user removes the drain plug from the inlet. Since the rotation of the rotary blade is forcibly stopped, even if the user mistakenly inserts a hand from the inflow port, the risk of the hand being caught in the rotary blade and being damaged can be reduced.

  In the third aspect of the invention, in particular, when the rotating blades are stopped after being rotated for a predetermined period by the detection operation of the drain plug detection unit of the first or second aspect of the invention, the rotation of the rotating blades is prohibited. Even if the drain plug is removed from the inlet and the hand is inserted, the risk of being damaged by the rotating blades can be reduced.

  In particular, the fourth invention has a water flow detection unit for detecting water flow to the container of the third invention, and continues after the drain plug detection unit has started to detect the presence of the drain plug. When the period during which the water detection unit does not detect water flow to the container has passed the second predetermined period, the user removes the drain plug at the inlet by rotating the rotary blade for the third predetermined period, Even if you insert a drain plug into the inlet immediately after a solid liquid (garbage) or drainage is introduced from the inlet, the drainage of the solid is almost completed and there is almost no water flow, and no water flow is detected. When the period of time passes the second predetermined period, the draining of the solid matter is completed, and at that time, the rotating blades are rotated to discharge the garbage that has been drained.

  Drainage of solid liquid consisting of garbage and wastewater is started at the same time when the user removes the drain plug and throws in the solid liquid consisting of solid matter and wastewater. Therefore, even if the time required for draining fluctuates due to the type of solids and liquids and the amount of solids accumulated in the container, there is no need for the user to check the drainage state. Since there is no problem even if the inlet is closed with a drain plug immediately after the solid liquid is charged, it is convenient for the user.

  In the fifth aspect of the invention, in particular, since the second predetermined period of the fourth aspect of the invention is set to 10 seconds to 5 minutes, the minimum time required for draining is ensured and the solid matter is sufficiently drained. This eliminates the need for the user to check the drained state or wait for the timing to insert the drain plug, which is convenient for the user.

  In the sixth aspect of the invention, in particular, during the period when the water flow detection unit of the fourth or fifth aspect detects water flow to the container, the rotation of the rotating blades is prohibited. Since it is not discharged from the outlet, it is possible to collect the solid matter that has been sufficiently drained from the outlet.

  In the seventh aspect of the invention, in particular, even after the rotary blade of the first aspect of the invention is rotated and stopped for the first predetermined period, the drain plug detection unit continuously detects the presence of the drain plug for the fourth predetermined period. In this case, by rotating the rotary blades for the first predetermined period every fourth predetermined period, the fine garbage that could not be discharged from the take-out port decayed and increased in viscosity, or dried and fixed. Therefore, it is possible to prevent the rotation of the rotating blades from being hindered.

  In the eighth aspect of the invention, in particular, by providing a manual switch for forcibly rotating the rotary blade of the fourth aspect of the invention, the period during which the water passage detection unit does not detect the water passage of the container does not pass the predetermined draining period. However, since the solid matter with insufficient drainage collected on the upper surface of the strainer is immediately conveyed by the rotary blade and discharged from the outlet, it is possible to continuously put the garbage into the inlet.

(Embodiment 1)
Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a solid-liquid separation apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a cross-sectional view of the solid-liquid separation apparatus showing the XX cross section of FIG.

  1 and 2, a hexagonal column rotating shaft 21 is connected to a drive unit 22 made of a geared motor and is provided horizontally. The drive unit 22 is driven and controlled by a control unit (not shown), and the operation is permitted when the drain plug detection unit 48 detects that the drain plug 45 has been inserted into the inflow port 37.

  The strainer 23 uses, for example, a plate-like rail 24 having a thickness of 1.0 to 1.5 mm and a height of 5 to 10 mm, and a plurality of the rails 24 are arranged at a predetermined interval (for example, 0.5 to 1.6 mm). The upper surface is bent upward, and rail communication ports 25 are opened at both ends of the rail 24.

  The rail guide plate 26 has the same flat plate shape as the rail 24, is formed integrally with the rail 24, and is configured so as to circulate around the rotary shaft 21 while being connected to the rail 24 in a state of being separated from the rotary shaft 21. Yes.

  The rotary blade 27 has a flat plate shape with a thickness of 0.4 to 1.5 mm and a width of 5 to 10 mm, for example, and is assembled so as to be positioned between the strainers 23. The tip is formed so as to pierce upward, and the center portion is curved so as to protrude in the rotation direction. The rotary blades 27 are formed in three pairs at equal intervals with respect to the rotary shaft 21, and a hexagonal hole 28 is opened at the center of rotation, and the hexagonal rotary shaft 21 is inserted into the hexagonal hole 28. . The rotary blade 27 is attached so as to extend from the rotary shaft 21 to the vicinity of the inner peripheral surface of the container 30, and has a maximum protruding length of 30 mm or more when it rotates and protrudes on the strainer 23.

  The strainer 23 has an elongated flat plate shape, and is installed across the rotation shaft 21 so as to incline upward in the rotation direction of the rotary blade 27 toward the outlet 42 described later. It is fixed to. The rail guide plate 26 is formed integrally with the strainer 23 and is configured in the vicinity of the tip (free end) of the rotary blade 27 so as to go around the rotary shaft 21 in a row with the strainer 23.

The spacer 29 sets the gap between the rotary blades 27 to a width equivalent to that of the rail 24, for example, and is inserted into the rotary shaft 21 alternately with the rotary blades 27.

  The container 30 forms a substantially cylindrical space with the rotation shaft 21 as the center, and incorporates the rotary blades 27 so as to be rotatable with respect to the rotation shaft 21. A plurality of insertion openings 31 for insertion are opened at two locations. The container communication port 32 is open to the insertion port 31.

  After both ends of the rail 24 are inserted into the insertion port 31, a fixing bar 33 is inserted into the rail communication port 25 and the container communication port 32, and fixing means 34 (screws, E-rings, etc.) are attached to both ends of the fixing bar 33. Thus, both ends of the rail 24 are fixed to the container 30.

  The rib portion 35 is formed so as to protrude inside the end surface of the substantially cylindrical container 30, is provided at a position corresponding to the rail 24 and the rail guide plate 26, and positions the rotary blades 27 </ b> A positioned at both ends of the strainer 23. is doing. In FIG. 1, the rib portion 35 is hidden by the rail 24 and the rail guide plate 26, but as shown in FIG. 2, at the positions corresponding to the rail 24 and the rail guide plate 26 on both end faces of the cylindrical container 30, respectively. It is provided. The rib portion 35 may be a belt-like convex portion along the position corresponding to the rail 24 and the rail guide plate 26, or a plurality of ribs 35 arranged along the position corresponding to the rail 24 and the rail guide plate 26. May be larger than the rail 24 and the rail guide plate 26. Further, the integrated body of the rail 24 and the rail guide plate 26 and a plurality of rotary blades 27 are stacked, and the stacked body is configured so that the integrated body of the rail 24 and the rail guide plate 26 is located on the outermost side in the stacking direction. The outermost integral member in the stacking direction may be substituted for the rib portion 35. When such a laminated body is once constructed and then mounted in the container 30, it is somewhat permissible to damage the integrated object located on the outermost side of the laminated body during assembly of the apparatus.

  The drain port 36 is located below the strainer 23, and the upper and lower portions of the rib portion 35 are opened on the end surface of the cylindrical container 30 to increase the drainage capacity by increasing the opening area. Drain the liquid that has passed through.

  The inflow port 37 has, for example, a circular shape with a diameter of 60 mm, is located above the strainer 23 on the side where the rotary blades 27 rotate upward, is opened on the peripheral surface of the container 30, and is connected to the sink 38 of the sink. Inflow of solid liquid consisting of garbage and waste water. The passage sectional area of the inflow port 37 is equal to or less than that of the drain port 36.

  The introduction passage 39 is configured to increase the cross-sectional area from the inlet 37 toward the lower container 30 and opens in a rectangular shape (for example, approximately 60 mm × approximately 120 mm) in which the length in the diameter direction of the rotating shaft 21 is shortened. ing.

  The rectangular cutting portion 40 forms a corner at the outlet from the charging passage 39 into the container 30 and on the downstream side in the rotation direction of the rotary blade 21.

  The take-out port 41 is opened in the container 30 on the side where the rotary blade 27 rotates downward, that is, on the downstream side in the rotation direction of the rotary blade 27 with respect to the inlet 37, and the gap A between the upper surface of the strainer 23 and the inner surface of the container 30 is The inflow port 37 opens to the entire position smaller than the length B in the diameter direction of the rotating shaft 21 (circumferential direction of the container 30). A plurality of insertion ports 31 are opened at the lower edge of the outlet 41. The width of the outlet 41 is the same as the length in the container 30 cylinder direction.

  The lid body 42 is rotatably attached to the upper edge portion of the outlet 41 using a hinge 43, and the upper portion of the lid body 42 is pressed against the strainer 23 side by a pressurizing means 44 made of a spring or the like.

  The drain plug 45 includes a metal piece 46 and has a drain channel 47 that is open at a size that does not allow a hand to enter the central part. The drain channel 47 communicates the container 30 with the sink 38. . The drain plug detection unit 48 incorporates a magnet for detecting the metal piece 46 of the drain plug 45, and determines whether or not the drain plug 45 is attached to the inflow port 37.

  As shown in FIG. 2, the water level detection means 49 is provided at the lower part of the container 30 and detects the water level in the container 30. However, the water level detection means 49 detects the drainage flowing through the discharge path from the drain port 36. May be used. The position detector 50 is connected to the rotary shaft 21 and detects the rotation angle of the rotary blade 27. A control unit (not shown) drives and controls the drive unit 22 based on the detection signal of each detection unit.

  The operation of the solid-liquid separator configured as described above will be described.

  Before that, the basic operation of the solid-liquid separation process will be described. The rotating blades 27 shown in FIG. 1 are drawn with a thick solid line when they are stopped at a predetermined rotation angle, and are drawn with a two-dot chain line when they are slightly rotated from the stopped state. As illustrated by the solid line, the state where the free end of the rotary blade 27 protruding upward from the strainer 23 and positioned at the top is stopped between the input passage 39 and the outlet 41 is the best predetermined stop position. .

  After the user removes the drain plug 45 from the inlet 37, the garbage in the sink 30 is poured into the container 30 from the inlet 37, and the drain plug 45 is attached again, the solid-liquid separation process is automatically started. .

  First, when the user removes the drain plug 45 and the garbage is poured into the container 30 through the inlet 37, the garbage is collected on the upper surface of the strainer 23 through the introduction passage 39. At that time, since the cross-sectional area of the input passage 39 is increased downward, the thrown-in garbage does not have a chance to touch the input passage 39 and the input passage 39 is not easily contaminated. On the other hand, when tap water or drainage is poured into the container 30 from the inlet 37, the tap water or drainage passes through the gap of the strainer 23 and is drained from the drain port 36.

  Thereafter, when the drain plug 45 is inserted into the inflow port 37, the drain plug detection unit 48 detects the metal piece 46 of the drain plug 45 and determines that the state has been changed from the state without the drain plug 45 (A1). In the case of Yes, the drainage time measurement is started immediately (B1), and the process proceeds to the next drain plug detection step (A2). In the case of No, it waits until it is determined that the drain plug 45 is present. For example, if the drain plug 45 is inserted into the inflow port 37, the user cannot insert his / her hand into the container 30, and this step (A1) confirms that the user has not thrust his / her hand into the inflow port 37. I can confirm.

  In the next drain plug detection step (A2), the drain plug detection unit 48 reconfirms that the drain plug 45 is at the inlet 37, and if Yes, the process proceeds to the next water passage detection step (C1). In the case of No, since the drain plug 45 is removed from the inlet 37, the drainage time measurement is reset in the next resetting step (E1), and the drain plug detection unit 48 detects the metal piece 46 of the drain plug 45 again. It waits until it does (A1). That is, in the case of No, there is a risk that the user has inserted his / her hand into the container 30, so the control unit prohibits driving of the driving unit 22.

In the next water flow detection step (C1), it is determined that the water flow detection unit 49 (see FIG. 2) does not detect the predetermined water level, and in the case of Yes, the flow proceeds to the next water draining time determination step (B2). . In the case of No, since tap water or drainage has been poured into the container 30 and has reached the predetermined water level, the draining time measuring operation is reset in the next resetting step (E1), and the drain plug detection unit 48 is again connected to the drain plug. Wait until 45 metal pieces 46 are detected (A1).

  In the next draining time determination step (B2), it is determined that the second predetermined period for draining has been reached, and in the case of Yes, the process proceeds to the next garbage transporting step (D1, D2). In the case of No, since the draining time has not reached the second predetermined period, the drain plug detection step (A2), the water flow detection step (C1), and the draining time determination step (B2) are repeated. In addition, when the second predetermined period is 10 seconds to 5 minutes, it is possible to define a minimum time for water droplets adhering to the garbage to pass through the gap of the strainer 23 by its own weight. The predetermined period of 2 may be 5 minutes or longer, but the draining effect decreases as time elapses.

  Then, when the period when the drain plug detection unit 48 detects the drain plug 45 and the water flow detection unit 49 does not detect the water level equal to or higher than the predetermined value reaches the second predetermined period, the liquid adhering to the solid matter is under its own weight. Since it has dropped and drained, the control unit starts driving the drive unit 22 (D1) and starts measuring the drive time (D2), and proceeds to the next drain plug detection step (A3).

  In the next drain plug detection step (A3), the drain plug detection unit 48 reconfirms that the drain plug 45 is located at the inflow port 37. If Yes, the process proceeds to the next water passage detection step (C2). In the case of No, since the drain plug 45 is removed from the inlet 37, the control unit immediately drives the drive unit 22 by resetting the drainage time and the drive time measurement in the next resetting step (E1). And wait until the drain plug detecting unit 48 detects the metal piece 46 of the drain plug 45 again (A1).

  In the next water flow detection step (C2), it is confirmed that the water flow detection unit 49 does not detect the predetermined water level, and in the case of Yes, the flow proceeds to the next drive time determination step (D3). In the case of No, since tap water or drainage has been poured into the container 30 due to some abnormality and has reached a predetermined water level, by resetting the draining time measurement operation in the next resetting step (E1), the drive unit 22 The driving is stopped, and the process waits until the drain plug detection unit 48 detects the metal piece 46 of the drain plug 45 again (A1).

  In the next driving time determination step (D3), it is confirmed that the driving time has reached the first predetermined period (about 10 seconds to 60 seconds required for garbage conveyance at a speed of about 1 to 10 rotations per minute). In the case of No, when the drive time has not reached the predetermined rotation period, the drain plug detection step (A3), the water flow detection step (C2), and the drive time determination step (D3) are repeated. In the case of Yes, the control unit detects that the rotary blade 27 is connected to the inlet 37 and the strainer 23 according to the position detection output of the position detection means 50 (see FIG. 2) that detects that the rotary blade 27 is at a predetermined angle. The drive of the drive unit 22 is stopped so as not to be positioned in the space (E2), and a series of operations is completed.

  Then, after the user once removes the drain plug 45 from the inlet 37, it is inserted into the inlet 37 again, and waits until the drain plug detection unit 48 detects the metal piece 46 of the drain plug 45 again (A1). That is, when the drain plug detection unit 48 newly detects the metal piece 46 of the drain plug 45, the drive of the drive unit 22 is permitted.

  As described above, according to the present embodiment, the rotating blade is rotated for the first predetermined period only when the drain plug detection unit 48 starts to detect the presence of the drain plug 45, so that the user moves the drain plug 45 to the inlet 37. Since the rotational drive of the rotary blade 27 is permitted only when the rotary blade is inserted, the safety of the user can be ensured even if the rotary blade is rotating. Further, when the rotating blades are rotated and stopped for the first predetermined period, the stopped state is continued until the user inserts the drain plug 45 into the inflow port 37 again. Can be reduced.

  Next, the garbage transporting operation performed between steps D1 to D3 in FIG. 3 will be described in detail.

The control unit (not shown) has a second period during which the drain plug detection unit 48 detects the presence of the drain plug 45 and the water level detection means (not shown) detects a water level below a predetermined value. When the predetermined period is reached, the driving of the driving unit 22 that has stopped is started. And the drive part 22 rotates the rotating shaft 21, and stops after rotating the rotating blade 27 for the 1st predetermined period (30 second-1 minute) at the rotational speed of about 10 rotations per minute, for example.

  At that time, since the fixing rod 33 penetrating the rail communication port 25 and the container communication port 32 restricts both ends of the rail 24 inserted into the insertion port 31 from coming off the container 30, the gap between the strainers 23 is reduced. The contact between the rail 24 and the rotary blade 27 can be reduced as much as possible, the load on the drive unit 22 that rotationally drives the rotary blade 27 can be reduced, and the friction between the rail 24 and the rotary blade 27 can be reduced.

  As shown in FIG. 1, the rotating blade 27 that has started rotating rotates counterclockwise, and the tip of the rotating blade 27 starts to protrude upward from the right side of the strainer 23 through the gap of the strainer 23, and Since it moves from right to left on the strainer 23 along with the rotational motion, the rotary blade 27 conveys the solid matter (garbage) so as to push along the upper surface of the strainer 23. At this time, the rotary blade 27 does not have the effect of lifting the solid material, and the liquid adhering to the solid material conveyed along the upper surface of the strainer 23 passes through the gap between the strainer 23 due to vibration and its own weight due to the conveyance. 36 is drained.

  The tip of the rotary blade 27 protruding from the strainer 23 tries to push out the solid matter that has moved to the outlet 41 from the outlet 41 to an external waste container (not shown). At that time, the lid 42 pressed against the strainer 23 side by the pressurizing means 44 such as a spring compresses the solid together with the rotary blades 27 that extrude the solid, and the liquid adhering to the solid (juice or tap water) Etc.) and the dehydrated liquid passes through the gaps of the strainer 23 and is discharged from the drain port 36.

  Further, when the rotation of the rotary blade 27 is advanced, the crossing angle between the rotary blade 27 and the strainer 23 that has sunk in the gap of the strainer 23 near the outlet 41 becomes an acute angle. However, since the rail 24 is curved upward and the rotary blade 27 is curved so as to protrude in the rotational direction, the crossing angle is not an extremely acute angle, and an angle greater than a predetermined angle can be secured. When a solid object is sandwiched between the rotary blade 27 and the strainer 23, a vector sandwiched from the vertical direction and a vector that is pushed in the horizontal direction act on the solid substance. However, as the crossing angle (degree of curvature) increases, the horizontal direction increases. The vector becomes large, and the hard solid material slides on the upper surface of the strainer 23 and is pushed open to push the lid 42 out. That is, it is possible to prevent the solid matter from locking the rotary blade 27, and the solid matter can be smoothly discharged from the outlet 41 to the outside.

  Of course, most of the solids passing through the inflow port 37 are smaller than the length B of the inflow port 37 in the diameter direction of the rotation axis 21, and the length B of the inflow port 37 in the diameter direction of the rotation axis 21 is It is smaller than the gap A between the upper surface and the inner surface of the container 30. That is, since it is smaller than the gap A between the upper surface of the strainer 23 and the inner surface of the container 30, the solid material is conveyed while moving from the right to the left on the upper surface of the strainer 23 at the tip of the rotary blade 27 and is taken in the size as it is charged. It is discharged from the outlet 41.

  In these operations, since almost the entire rotating blade 27 (length 30 mm) protrudes from the gap of the strainer 23, a large solid material can be transported, so that the solid material is reduced before being introduced from the inlet 37. There is no need for crushing, and no crushing machine is required before the inlet 37. In addition, since the solid-liquid separation process is performed without crushing the solid matter, there is hardly any fine solid matter that passes through the gap between the strainers 23, so that the dry weight recovery rate can be increased to 90% or more. Can be prevented.

Furthermore, since a large solid that has not been crushed is separated into solid and liquid, the gap between the strainers 23 can be widened by about 2 to 3 times compared to the conventional example, and the rotating blades 27 can be a thick flat plate. The number of blades 27 can be reduced, and the number of the blades 27 can be reduced, so that the assembly work of the apparatus can be facilitated and the assembly cost can be reduced. Further, since the gap between the lower surface of the strainer 23 and the lower part of the inner surface of the container 30 is wide, the opening area of the drain port 36 can be increased and the drainage performance can be enhanced.

  When the solid liquid charged into the container 30 from the inlet 37 is a large amount of solid that accumulates to the charging passage 39, the rotating blade 27 moves along the upper surface of the strainer 23 while moving through the gap of the strainer 23. Is cut and separated by the angular cutting part 40, the load on the driving part 22 can be reduced.

  Then, a part of the solid matter remaining in the charging passage 39 falls on the upper surface of the strainer 23, but the solid matter dropped by the other rotating blades 27 coming next is conveyed to the outlet 41 along the upper surface of the strainer 23. The solid matter is pushed out from the outlet 41. As a result, even when a large amount of solid matter is introduced into the container 30 from the inlet 37, the waste water containing the solid matter can be solid-liquid separated in a short time.

  If the drive unit 22 stops after driving the rotary shaft 21 for the first predetermined period, the control unit prohibits the drive unit 22 from being driven. That is, once the drain plug 45 is extracted from the inlet 37 and the drive unit 22 operates and stops for a predetermined time, the stopped state is maintained and the drain plug 45 is inserted into the inlet 37 again to detect the drain plug. Only when the part 48 redetects the metal piece 46 of the drain plug 45, the drive of the drive part 22 is permitted. In other words, this solid-liquid separator operates in accordance with the timing at which wastewater containing raw garbage is poured into the container 30, so that it can be operated with much less power consumption than the continuous operation, and the user can If you forget to do 45, useless power is not consumed.

  Further, the rotary blade 27 that has discharged the solid matter from the outlet 41 and has passed through the gap between the strainers 23 immediately passes through the gap between the rail guide plates 26. As a result, the gap between the rotating blades 27 is maintained, so that the rotating blade 27 passes through the gap between the rail guide plates 26 and then enters the gap of the stray 23 again without colliding with the lower surface of the rail 24.

  On the other hand, the rotary vane 27A in contact with both end faces of the strainer 23 has a gap between the rail 24A forming the both end faces of the strainer 23 and the rib portion 35, and a rail guide plate 26 integrally formed with the previous rail 24. And the gap between the rib portion 35 and the rib portion 35. As a result, the rotary blade 27A passes through the gap between the rail guide plate 26 and the rib portion 35 and then enters the gap between the rail 24A and the rib portion 35 again without colliding with the lower surface of the rail 24.

  As shown in FIG. 2, among the plurality of laminated rotating blades 27, the rotating blades 27A located on the outer side in the stacking direction are regulated by a rail 24A and a rail guide plate 26 on one surface, and the opposite surface is a rib. Since it is regulated by the portion 35, it rotates in a state regulated from both sides by the rail 24A, the rail guide plate 26 and the rib portion 35. For this reason, the rotating blade 27A hardly vibrates even if it rotates, so that it does not easily cause metal fatigue due to the rotating motion and is not easily deformed. Further, since the rotary blade 27A does not contact the entire end face of the container 30 and rotates in a state where the position is partially regulated by the rib portion 35, the frictional force applied to the rotary blade 27A is reduced and applied to the drive unit 22. The load can be reduced.

  When the solid liquid consisting of solid matter or drainage flows into the container 30 from the inlet 37, the strainer 23 is inclined upward toward the outlet 41, so that tap water and drainage cannot rise up the upper surface of the strainer 23. The water passes through the gap between the strainers 23 and is drained from the drain port 36.

Furthermore, when a large amount of solid liquid flows into the container 30 from the inflow port 37, a large amount of tap water or drainage cannot pass through the gap of the strainer 23 at once, and a part of it spreads around the upper surface of the strainer 23 toward the periphery, The tap water and drainage toward the outlet 41 are weakened by the rotating blades 27 located at the top stopped at a predetermined angle, and the movement of solid matter is blocked by the rotating blades 27 at the top. On the other hand, since the air pressure in the container 30 is increased by the momentum of the solid liquid to be added, the air pressure acts in the direction of pushing the lid 42 upward. However, the lid 42 pressed by the pressurizing means 44 prevents the rise of the air pressure in the container 30 from pushing the lid 42 open, so that tap water and drainage can be prevented from leaking from the outlet 41. The above-described effect can be sufficiently obtained even when the free end of the rotary blade 27 located at the top of the rotary blade 27 is displaced to the middle of the outlet 41.

  The solid substance thrown in from the inlet 37 is accumulated on the upper surface of the strainer 23 immediately below the inlet 23 toward the inlet 23, and the solid matter hardly accumulates in the periphery thereof, and both end portions of the cylindrical container 30 are accumulated. Nearly no solid matter accumulates in the vicinity. The solid matter accumulated on the upper surface of the strainer 23 obstructs the flow of tap water and drainage flowing into the container 30 from the inlet 37, but the solid matter deposited in the vicinity of both ends of the container 30 has a small accumulation amount. The tap water or drainage that has flowed into the passage 30 passes through the gap between the strainers 23 near both ends of the container 30 in a short time and is discharged from the drain outlet 36. That is, even if wastewater containing garbage collected in the sink 38 is poured at once, the wastewater can be solid-liquid separated in a short time and only the liquid can be discharged from the drainage port 36.

  The rail guide plate 26 is not necessarily formed integrally with the rail 24, and may be provided alone and inserted into the container 30 in the same manner as the rail 24, and the material cost for the space between the rail 24 and the rail guide plate 26 is sufficient. Can be reduced. The take-out port 41 is opened from a position where the gap A between the upper surface of the strainer 23 and the inner surface of the container 30 is larger than the length B of the inflow port 37 in the diameter direction of the rotary shaft 21 toward the downstream side in the rotation direction of the rotary blade 27. In short, the gap A between the upper surface of the stray 23 and the inner surface of the container 30 may be larger than the length B of the inflow port 37 in the diameter direction of the rotary shaft 21.

  Further, the water level detection means may be a water level sensor or a water amount sensor as long as it can determine whether tap water or drainage is being poured from the inlet 37 into the container 30 through the drainage channel 47.

  Although the above embodiment has been described in the case where the cross-sectional areas of the inlet 37 and the inlet passage 39 are circular, the cross-sectional areas of the inlet 37 and the inlet passage 39 may be rectangular, In that case, if the solid matter to be thrown is slender, it collides with the wall surface of the throwing passage 39 in the middle of dropping, and the length direction of the solid matter is aligned with the cylindrical direction of the container 30. It becomes easy to deposit on the upper surface of the strainer 23. Accordingly, the elongated solid is not cut by the square cutting portion 40, but is transferred to the take-out port 41 by the rotation of the rotary blade 27 and is discharged from the take-out port 41 as it is. The amount of solid matter can be suppressed, and deterioration of water quality can be prevented.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIG. 1, FIG. 2, and FIG. FIG. 1 is a configuration diagram of a solid-liquid separation device according to Embodiment 3 of the present invention, FIG. 2 is a cross-sectional view taken along line AA of the solid-liquid separation device, and FIG. 4 is a flowchart. Hereinafter, in the configuration of the third embodiment, the same parts as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the solid-liquid separation device according to the second embodiment, the difference from the first embodiment is that the drain plug detection unit 48 detects the drain plug 45 after the drive unit 22 drives the rotary blade 27 to rotate for a first predetermined period. When the state continues for a third predetermined period and waits, the drive unit 22 rotates the rotary blades 27 every third predetermined period for a fourth predetermined period.

The control unit (not shown) starts measuring the standby time after the driving unit 22 rotates the rotary blade 27 for a predetermined period to carry out the solid matter and stop driving the driving unit 22 (E1). (F1) Proceed to the next drain plug detection step (G1).

  In the next drain plug detection step (G1), the drain plug detection unit 48 reconfirms that the drain plug 45 is in the inflow port 37, and if Yes, proceeds to the next standby time determination step (I1). If it is No, since the drain plug 45 has been removed from the inflow port 37, the process proceeds to the next resetting step (E1), and waits until the drain plug detection unit 48 detects the presence of the drain plug 45 again ( A1). That is, since there is a risk that the user inserts his / her hand into the container 30, the control unit prohibits driving of the driving unit 22.

  In the next standby time determination step (I1), it is confirmed that the standby time has reached the third predetermined period (about 1 hour to 12 hours), and in the case of Yes, the next rotating blade sticking prevention step (J1 to J3). ) In the case of No, since the standby time has not reached the third predetermined period, the drain plug detection step (G1) and the standby time determination step (I1) are repeated.

  In the rotary blade fixing prevention process, when the drive of the drive unit 22 that has stopped the control unit is started (J1), measurement of the drive time is started (J2), and the process proceeds to the next drain plug detection step (G2). .

  In the next drain plug detection step (G2), the drain plug detection unit 48 reconfirms that the drain plug 45 is at the inlet 37, and in the case of Yes, the process proceeds to the next drive time determination step (J3). In the case of No, since the drain plug 45 has been removed from the inlet 37, the circuit operation is reset in the reset step (E1), the drive unit 22 is stopped, and the drain plug detection unit 48 is again connected to the drain plug 45. Wait until the metal piece 46 is detected (A1).

  In the next drive time determination step (J3), it is confirmed that the drive time has reached the fourth predetermined period (several revolutions at a speed of about 1 to 10 revolutions per minute). Is stopped (E3), the process returns to the step (F1) again, and the measurement of the standby time is repeated. In the case of No, since the driving time does not reach the fourth predetermined period, the drain plug detection step (G2) and the driving time determination step (J3) are repeated. Note that the fourth predetermined period, which is the drive time of the present embodiment, may be the same as the first predetermined period of the first embodiment.

  As a result, the organic solid matter that inhibits the rotation of the rotary blades 27 is removed from the strainer 23 before the organic solid matter remaining on the strainer 23 decays or dries and adheres to the strainer 23. It is possible to eliminate this, and it is possible to prevent the rotating blades 27 from becoming unrotatable and perform the solid-liquid separation process over a long period of time.

(Embodiment 3)
A solid-liquid separation apparatus according to Embodiment 3 of the present invention will be described with reference to FIGS. The third embodiment has substantially the same configuration as that of the first embodiment, and will be described with a focus on differences from the first embodiment.

  The third embodiment is different from the first embodiment in that a manual switch (not shown) for forcibly rotating the rotary blade 27 for a first predetermined period is provided.

When solid liquid such as garbage or wastewater is introduced into the container 30 from the inlet 37, the liquid passes through the gap of the strainer 23 and is drained from the drainage port 36, and the solid matter is accumulated on the upper surface of the strainer 23. When the user inserts the drain plug 45 into the inflow port 37 and turns on the manual switch, the drain plug detection unit 48 immediately detects from the state where the drain plug 45 is not detected. Subsequently, the control unit drives the driving unit 22 to forcibly rotate the rotary blade 27 once for a predetermined rotation period, so that the solid matter that has accumulated on the upper surface of the strainer 23 and has not been drained is conveyed along the upper surface of the strainer 23. To do. The liquid adhering to the solid matter passes through the gap of the strainer 23 by its own weight and drains from the drain port 36. Therefore, it is possible to continuously put garbage into the inlet 30 and to separate a large amount of garbage at a stroke into solid and liquid.

  In addition, if the standby time is long as in the second embodiment, it is difficult to determine whether or not the device is operating. However, as in the third embodiment, the manual switch is turned on forcibly. If the test operation is performed, the drive time for transporting the solid material can be confirmed.

  The solid-liquid separation device according to the present invention can be applied not only to household garbage processing devices but also to kitchen facilities such as hotels and factories.

Configuration diagram of the solid-liquid separation device in Embodiment 1 of the present invention AA sectional view of a solid-liquid separation device in Embodiment 1 of the present invention. Flowchart in Embodiment 1 of the present invention Flowchart in Embodiment 2 of the present invention Configuration diagram of conventional strainer and solid-liquid separator equipped with it

Explanation of symbols

DESCRIPTION OF SYMBOLS 21 Rotating shaft 23 Strainer 24 Rail 27 Rotating blade 30 Container 36 Drain port 37 Inlet port 41 Inlet port 45 Drain plug 47 Drain channel 49 Water flow detection part 50 Position detection means

Claims (8)

A plurality of rotating blades provided around a rotation shaft, a container in which the rotating blades are rotatably stored in a storage space, a strainer disposed so as to divide the storage space into an upper part and a lower part, a solid and a liquid An inlet for introducing the solid liquid into the upper portion of the storage space, a drain plug attached to the inlet, an outlet for discharging solid matter drained by the strainer, and A drain plug detection unit having a drain port for discharging the liquid accumulated in the lower part, a drive unit that rotationally drives the rotary shaft, and a drain plug detection unit that detects the presence or absence of a drain plug attached to the inlet. The solid-liquid separation device that rotates the rotary blade for a first predetermined period only when it starts to detect the presence of the drain plug. The solid-liquid separation device according to claim 1, wherein when the drain plug detection unit detects that the drain plug is absent, the rotation of the rotary blade is forcibly stopped. 3. The solid-liquid separator according to claim 1, wherein when the rotary blade is stopped after being rotated for a predetermined period by the detection operation of the drain plug detection unit, the rotation of the rotary blade is prohibited. It has a water flow detection unit that detects water flow to the container, and the water flow detection unit does not detect water flow to the container after the drain plug detection unit has started to detect the presence of the drain plug. The solid-liquid separator according to any one of claims 1 to 3, wherein the rotating blade is rotated for the first predetermined period when the period has passed the second predetermined period. The solid-liquid separator according to claim 4, wherein the second predetermined period is set to 10 seconds to 5 minutes. The solid-liquid separation device according to any one of claims 1 to 5, wherein when the water flow detection unit starts to detect water flow to the container, the rotation of the rotary blade is prohibited. Even after the rotary vane rotates and stops for the first predetermined period, when the drain plug detection unit continuously detects the presence of the drain plug for the third predetermined period, the rotary vane is detected every third predetermined period. The solid-liquid separator according to claim 1, wherein the solid-liquid separator is rotated for a fourth predetermined period. The solid-liquid separator according to claim 1, further comprising a manual switch that forcibly rotates the rotary blade.

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