JPH10277312A - Device for cleaning circular settling basin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for cleaning a circular setting basin which not only keeps the settling basin clean but also makes the flow of water smooth and steady. SOLUTION: This cleaning device for a circular settling basin or a square settling basin comprises a cleaning means with a brush B which is mounted on the tip side of a revolving scraper arm 27 with a scraper 35 for sending a suspended matter on the water level into a constant direction. In addition, this cleaning means is pivoted, in a freely rotating manner, by a shaft 41 installed projecting from the scraper arm 27, and is also supported on the roller 37 side which rolls over a supernatant draining means provided on the scraper arm 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cleaning device for a circular sedimentation basin and the like.

[0002]

2. Description of the Related Art In a circular sedimentation basin or the like, a scraper arm is provided so as to be freely rotatable, and the scraper arm is provided with a scraper so that floating substances on the water surface are pushed in the outer diameter direction while being scraped. I have. These floating substances are removed to the outside by a floating substance removing device provided in the pond.

[0003]

Means for discharging supernatant water are provided along the inner surface of the peripheral wall of the circular sedimentation basin.
The supernatant water discharge means is composed of a gutter provided with an overflow weir (V notch) and a circular baffle further provided on the inner circumferential side of the gutter and separated from the gutter. Means become polluted over time. However, conventionally, since it has been left in a polluted state, not only there is a problem from an aesthetic viewpoint, but also a problem in water treatment.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and not only can the sedimentation basin be maintained aesthetically, but also a cleaning device for a circular sedimentation basin or the like which ensures smooth and reliable flow of water. The purpose is to provide.

[0005]

According to a first aspect of the present invention, there is provided a circular sedimentation basin or a rectangular set having a scraper which feeds a floating substance on a water surface in a predetermined direction to a surrounding scraper arm. Cleaning means provided with a brush or the like is provided on the tip side of the scraper arm for a sedimentation basin or the like.

According to a second aspect of the present invention, in the first aspect, the cleaning means is rotatably supported by a shaft protruding from the scraper arm.

According to a third aspect of the present invention, in the first aspect, the cleaning means is provided on a scraper arm and supported on a roller which rolls on the supernatant water discharging means.

According to a fourth aspect of the present invention, in the third aspect, the cleaning means is supported via a roller attachment.

According to a fifth aspect of the present invention, in the third aspect, the cleaning means is configured to rotate and interlock using the rotational force of the roller.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, water can be supplied to the cleaning means.

According to a seventh aspect of the present invention, in any one of the first to sixth aspects, the cleaning means is capable of ultrasonic vibration.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. 1 to 5 show a preferred embodiment of the present invention, wherein 1 is a circular sedimentation basin, the sedimentation basin 1 is provided with a peripheral wall 2, and the inner peripheral side of the peripheral wall 2 is shown in FIG. As shown in FIG. 2, the peripheral gutter 3 is formed integrally. A baffle 4 is further provided on the inner periphery of the gutter 3 and is separated from the gutter 3. The baffle 4 is supported by a baffle stay 5 on the gutter 3 side at an appropriate position. At the upper end of the baffle 4, a roller receiver 6 having an L-shaped cross section is provided.
A pit 7 from which water containing suspended matter is discharged is formed at one place on the outer periphery of the peripheral wall 2. 8 is an overflow weir provided with a V notch.

The center well 9 is provided with a center well fixed along the longitudinal axis, and a drive shaft 10 is provided so as to pass through the center of the center well 9. In the center well 9, a base material 12 is horizontally mounted, and an inner bracket 13 is protruded vertically from the base material 12. On the other hand, an outer bracket 14 is fixed to the outer surface of the peripheral wall 2, and a rotatable scum skimmer 17 is supported between the bracket 14 and the inner bracket 13 via a rotation shaft 15.

The scum skimmer 17 is a cylindrical body whose both ends are closed. The scum skimmer 17 has an opening 18. In the direction of ()), so that suspended matter flows in. Reference numeral 19 denotes a lower port of the floating logistics, 20 denotes a manual handle, and the scum skimmer 17 includes a base seal 21 and a seal plate made of a metal plate and a resin plate as shown in an enlarged view of each part in FIGS. 2
2 and the tip seal 23. Tip seal 23
Are housed in an annular holding ring 24 such as a halved ring. 25 is a water surface.

The driving means of the scum skimmer 17 includes a cam plate 28 provided on the outer periphery of the drive shaft 10 and suspended from a scraper arm 27 which rotates together with the cam shaft 28, and a cam roller 29 pressed down by the rotation of the cam plate 28. It has. The cam roller 29 is eccentrically provided at an end of the rotary shaft 15 in the center well 9. When the cam roller 29 is pressed, the scum skimmer 17 rotates forward, and the cam plate 28 rotates the cam roller 29. The scum skimmer 17 is returned by the weight 30 by passing. Reference numeral 31 denotes a frame, and the drive shaft 10
A pair of left and right wire rope traction ropes 33 is provided between the mounting table 32 provided on the gantry 31 and the tip of the scraper arm 27. Has been established. An elastic scraper 35 made of rubber, resin, or the like is vertically provided below the scraper arm 27.
As shown in FIG. 6, a roller 37 is attached via a roller bracket 36 to the lower portion of the tip of the. The roller 37 rolls on the roller receiver 6 and is mounted on a roller bracket 36 via an adjuster 39 on a roller frame 38 so that the height can be adjusted.

As an example of the cleaning means, there is an embodiment shown in FIGS. In this embodiment, the upper surface of the gutter 3 and the inner surface of the overflow weir 8 are brush-cleaned by using the movement of the scraper arm 27. The brush receiving plate is freely rotatable around the tip shaft 41 of the scraper arm 27. At the lower end of 42, a brush B is provided in an L-shape, and holding plates 44, 44 are provided at the front and rear as shown in FIG.
5 are tightened together. The brush receiving plate 42
Is constantly pressed in the direction of the overflow weir 8 by a spring 46. Further, a weight 47 may be provided to keep the brush receiving plate 42 in a vertical position at all times, like a virtual line.

FIG. 8 shows another embodiment in which two brush receiving plates 49 and 50 are suspended on the shaft of the tip shaft 41, and the gutter 3 and the overflow weir 8 are formed by the brush B provided on these. In addition to cleaning the entire surface, a brush receiving plate 52 is also provided vertically from the roller frame 38 to clean one or both sides of the baffle 4 with the brush B. 53 are weights, and 54 and 55 are tension springs and tension springs for controlling the positions of the brush receiving plates 49 and 50. Also,
Water may be supplied through the nozzle 56 using the tip shaft 41 as a pipe.

FIG. 9 shows the tip shaft 4 of the scraper arm 27.
1 has a brush receiving plate 58 and a brush 59, and the auxiliary shaft 6 extends rearward from the tip of the scraper arm 27.
0 is protruded, another brush receiving plate 61 is vertically provided, and a brush B is provided on this. Water may be supplied through the inside of the scraper arm 27 and the auxiliary shaft 60. Water may also be supplied to the brush B at the tip.

FIG. 10 shows another embodiment. In this embodiment, the brush receiving plate 6 is integrated with the roller frame 38 or separately.
5 is provided with a brush B to clean the baffle 4 and the overflow weir 8. The roller shaft 66 is lengthened, and a brush receiving plate 67 is provided on the coaxial 66 as appropriate. Is provided to clean the gutter 3. Incidentally, the roller shaft 66 may be supported by the scraper arm 27 by the suspension cable 68.

FIG. 11 shows a gear box 70 provided on the side of the roller frame 38 for cleaning with a rotating brush B. In the box 70, a first gear rotated by a roller shaft 66 is rotated. 71 and a second gear 72 are provided, and the brush shafts 75 are simultaneously rotated via a plurality of wheels 73 and a transmission member 74.

FIG. 12 shows a configuration in which a brush receiving plate 77 having a narrower boss width at the upper end is provided around the tip shaft 41.
13 and 14 show a configuration in which a support shaft 80 is fixed to the front or rear portion of the roller bracket 36, and a brush receiving plate 81 is provided coaxially. FIG. 15 shows the roller shaft 6.
6, the brush receiving plate 83 is rotatable around its outer periphery, and the brush receiving plate 83 is provided with a brush B to clean the circumferential gutter 3 and the overflow weir 8 by rotation.

FIG. 17 shows that stays 85 are extended over one or both of the front and rear of the scraper arm 27,
5 is provided with a contact sensor 86, so that the rotation drive of the scraper arm 27 is urgently stopped when the worker hits or touches the contact sensor 86.

FIG. 18 shows the drive shaft 1 in the center well 9.
The outer circumference of the center well 9 is provided with a brush B for cleaning the inner surface (which may include the outer surface) of the center well 9. A brush receiving plate 88 is provided on the tip side of the scraper arm 27.
And a brush B are provided. The center well 9 may be provided with a lid 89.

FIG. 19 shows that a desired number of ultrasonic vibrating plates 91 are provided at the end of the scraper arm 27, and a brush is appropriately provided at the end thereof. Efficient removal of adhering matter
As shown in the drawing, an ultrasonic vibration plate 91 is also provided vertically on the base side of the scraper arm 27 to ultrasonically vibrate so as to promote sedimentation in the center well 9. It may be. Incidentally, as shown in FIG.
In addition to the circular sedimentation basin, the ultrasonic vibration plate 9 is also provided in the rectangular sedimentation basin 93.
.. May be arranged in parallel to promote sedimentation.

FIG. 21 shows a rectangular cylinder-shaped receiver 98 provided at the front or rear end of the scraper arm 27.
8 is provided with a brush receiving plate 99 so as to be movable up and down, and the brush receiving plate 99 is provided with a brush B, and 100 is an upper and lower stopper. The brush receiving plate 99 may also be ultrasonically vibrated.

FIG. 22 shows a drive source 10 operating in a fixed position with a gearbox 102 around a central drive shaft 10.
3 makes the drive shaft 10 freely rotatable.
A rake 104 at the lower portion of the shaft, a lower end of the drive shaft 10 supported by bearings 105, and a center sediment 9 at the outer periphery of the upper portion of the drive shaft 10.

The drive shaft 10 of the circular sedimentation basin is made of a pipe, and is vertically connected by a joint 108 containing a valve 107. Then, the scraper arm 27
Is also made of pipe, and a rotary joint 10
9, the water guided through the supply pipe 110 is guided into the scraper arm 27 through the bypass pipe 111, and is sprayed as desired through a plurality of nozzles provided on the scraper arm 27.

For example, the jet is sprayed onto the peripheral gutter 3, the baffle 4, and the water surface 25 (including the center well 9). Further, the fountain 113 and the blow-up water 11 are supplied from the scraper arm 27.
4 are formed, and thereby, the peripheral wall and the upper cover are washed to minimize the damage caused by the sulfide gas and the like, and the gas content in the circular sedimentation basin can be calmed down by blowing up water. It is like that.

By the above-mentioned injection, components in the circular sedimentation basin, such as the scraper 35 and the scum skimmer, can be washed and suspended matters can be sent. Further, the drive shaft 10
By pulling up the opening / closing cable 116 extending above the center, the valve 107 is opened and jets into the sedimentation basin. For example, the fuel can be injected toward the upper area of the rake 104 as indicated by an arrow X, the raked portion of the rake 104 as indicated by an arrow Y, and the bearing 105 as indicated by an arrow Z. This lower injection can also be performed periodically, and in this case, it is injected when solid mud accumulates at the bottom of the pond due to a power outage or when draining the pond.

Further, the fuel may be jetted upward. In the above embodiment, only water was injected.
In addition to the supply of water, air is supplied as in a, bio is supplied as in b, ultrasonic air fine particle mixed water is supplied as c, and magnetic water is supplied as d. Or supply. These are used as valves (electromagnetic valves, etc.) 1
The combination may be supplied as appropriate under the control of 18. This promotes water purification. In this case, the inside of the drive shaft 10 may be configured to be individually guided into a plurality of different paths.

FIG. 23 shows a specific structure of the inside of the gear box 120.
The second and second gears 123 cooperate with each other, and the drive shaft 10 fixed to the second gear 123 by press fitting or the like is driven to rotate. The drive shaft 10 is made of a pipe and has a short dimension. The main pipe of the drive shaft 10 is connected to the drive shaft 10. As shown in FIG. 24, the pipe 12
5 may be integrated.

FIG. 25 shows that the rotary shaft 128 in the pit 7 is provided with a rotary joint 128 to guide washing water through a water supply pipe 129, and furthermore, through a water pipe 130 passed through the scum skimmer 17, into the center well 9. The cleaning water is jetted from the nozzle 131 of the rotary shaft 15 made of pipe. The injection direction can be selected in any way. The water passage pipe 130 passes through one side of the scum skimmer 17 as shown in FIG. 26, but preferably passes through one side to which no suspended matter is introduced.

FIG. 27 shows that a fixed trough 134 of a U-shaped channel having an inward lip 133 is inserted and fixed to the peripheral wall 2 without sealing so that a floating substance flows down into the pit 7. The rotary shaft 135 fixed to the scum skimmer 17 is rotatably supported by a bearing 138 via a stay 137 on a support member 136 fixed on a trough 134 by inserting a rotary scum skimmer 17 through the inner end of the scum skimmer 17. It is. Scum skimmer 17 and trough 1
The space between the cells is sealed by a sealing means 139. Since the trough 134 is fixed only on the outer diameter side instead of the scum skimmer 17 as a whole, the seal structure is simplified.

As shown in an additional example shown in FIG. 28, the scraper arm 27 fixed to the drive shaft 10 is
One end of the base and the tip of the scraper arm 27 on both sides
Alternatively, the support may be supported by a support stay 141 that connects between the gantry 31 and the scraper arm 27. In this case, the stay 141 is formed into a pipe and the drive shaft 1
The water may be connected to the scraper arm 27 by connecting the stay 0 to the stay 141 with a communication pipe 142.

[0035]

As described above, the present invention provides a cleaning device for a circular sedimentation basin or the like which not only keeps the sedimentation basin aesthetic but also makes the flow of water smooth and reliable. it can.

[Brief description of the drawings]

FIG. 1 is a plan view of a circular sedimentation pond showing one embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of the device.

FIG. 3 is a longitudinal sectional view showing a suspended matter scraping device.

FIG. 4 is an enlarged view of a main part of FIG. 1;

FIG. 5 is an enlarged view of another main part of FIG. 1;

FIG. 6 is a longitudinal sectional view of a main part of the cleaning device.

FIG. 7 is a longitudinal sectional view of a cleaning unit.

FIG. 8 is a longitudinal sectional view showing another cleaning device.

FIG. 9 is a perspective view showing another cleaning device.

FIG. 10 is a longitudinal sectional view showing another cleaning device.

FIG. 11 is a longitudinal sectional view showing another cleaning device.

FIG. 12 is a longitudinal sectional view showing another cleaning device.

FIG. 13 is a longitudinal sectional view showing another cleaning device.

FIG. 14 is a side view of the embodiment of FIG.

FIG. 15 is a perspective view showing another embodiment.

FIG. 16 is a longitudinal sectional view showing another cleaning device.

FIG. 17 is a perspective view showing an example of a safety stop device.

FIG. 18 is a longitudinal sectional view showing another cleaning device.

FIG. 19 is a longitudinal sectional view showing an ultrasonic vibration type cleaning device.

FIG. 20 is a longitudinal sectional view showing an example in which the ultrasonic vibration method is used for a rectangular sedimentation tank.

FIG. 21 is a longitudinal sectional view showing another cleaning device.

FIG. 22 is a longitudinal sectional view showing an additional proposal example.

FIG. 23 is a cross-sectional view showing a specific structure of a drive shaft driving method.

FIG. 24 is a sectional view showing another example of the gear.

FIG. 25 is a longitudinal sectional view showing another example of the water injection system.

FIG. 26 is a longitudinal sectional view of FIG. 25.

FIG. 27 is a longitudinal sectional view showing another example of the suspended matter removing device.

FIG. 28 is a cross-sectional view showing another supporting method of the scraper arm.

[Explanation of symbols]

B ... Brush 1 ... Circular sedimentation basin 2 ... Perimeter wall 3 ... Perimeter gutter 4
... baffle 8 ... overflow weir 9 ... center well 17 ...
Scum skimmer 27: scraper arm 35: scraper 41: tip shaft.

Claims (7)

[Claims] 1. A cleaning means provided with a brush or the like on a tip side of a scraper arm for a circular sedimentation basin or a square sedimentation basin having a scraper for sending floating substances to a revolving scraper arm in a predetermined direction. Cleaning device for circular sedimentation basins, etc., provided with 2. A cleaning device for a circular sedimentation basin or the like according to claim 1, wherein the cleaning means is rotatably supported by a shaft provided to project from the scraper arm. 3. The cleaning device according to claim 1, wherein the cleaning means is provided on a scraper arm, and is supported on a roller that rolls on the supernatant water discharging means, for a circular sedimentation basin or the like. 4. The cleaning device according to claim 3, wherein the cleaning means is for a circular sedimentation basin or the like that is supported via a roller attachment. 5. A cleaning device for a circular sedimentation basin or the like according to claim 3, wherein the cleaning means is configured to rotate in conjunction with the rotation force of a roller. 6. A cleaning device for a circular sedimentation basin or the like, according to claim 1, wherein the cleaning means can supply water. 7. A cleaning apparatus according to claim 1, wherein said cleaning means is capable of ultrasonic vibration for a circular sedimentation basin or the like.