KR20190118312A - Floating decanter for wastewater treatment system - Google Patents

Abstract

An object of the present invention is to provide a floating decanter for a wastewater treatment apparatus which is configured to supply and block the water to be treated through a valve means formed of an actuator such as a motor and screw and which has a simple structure to be manufactured easily and with low cost, as well as opening and closing the valve accurately, thereby increasing the reliability of opening and closing the valve. In particular, another object of the present invention is to provide a floating decanter for a wastewater treatment apparatus in which a float is mounted with only a valve means functioning as a valve and a drain pipe for draining the water to be treated, the water to be treated can be supplied or shut off mechanically while minimizing overall configuration of the decanter to minimize the weight of the entire decanter and discharging the water to be treated naturally.

Description

Floating Decanter for Wastewater Treatment System {FLOATING DECANTER FOR WASTEWATER TREATMENT SYSTEM}

The present invention relates to a floating decanter for a wastewater treatment apparatus, and more particularly, by using an actuator to move the valve portion and the drain pipe portion mechanically so that the natural discharge and blocking of the treated water can be minimized, thereby minimizing the load burden on the actuator. It is possible to reduce the weight, and to be simple and convenient, and to increase the reliability of the treated water.

In general, a decanter is installed in a tank such as a septic tank so that the supernatant can be discharged with purified water. The decanter causes the symbol water purified by various structures to be discharged out of the tank as shown in (Patent Documents 1) to (Patent Document 3) below.

(Patent Document 1) Korea Registration  No. 0422852

Disclosed is a supernatant discharge device for a continuous batch reactor. The decanter body of the super water discharge device is designed to have a height in the range of 1 ~ 1.5m, and the inlet of the lower part is placed at 1 ~ 1.5m below the surface of the water, so the scum layer formed on the surface of the reactant is discharged when treating the high concentration organic wastewater. At the same time, there is no outflow of sludge deposited in the bottom of the reactor. The discharge pipe under the decanter body is made of two materials, soft PVC and metal fiber, to prevent deterioration and corrosion resistance by reactants operated at high temperature, and to prevent damage due to external impact. The inlet has a hinged blocking plate installed, which has the simplest structure and a sealed structure by its own load.When the siphon type suction force is generated due to the opening of the discharge pipe, the blocking plate is opened by the suction force that overcomes its own load to discharge the symbol water. . The buoyancy chamber can be observed by an external worker through a sight glass installed at the top.

(Patent Document 2) Korean Registered Patent No. 1709269

The present invention relates to a system for discharging supernatant water and a method of discharging the supernatant water in a continuous batch reactor that can stably discharge the supernatant water containing a small amount of suspended solids. A first discharge pipe for feeding supernatant; A second discharge pipe for passing the supernatant collected in the supernatant storage tank to a filtration device and transferring the filtered water from which suspended matter is removed to the filtrate storage tank; A supernatant water supply line connecting the first supernatant discharge pipe and the second supernatant discharge pipe; A three-way valve at a branch point of the second supernatant water discharge pipe and the supernatant water supply pipe; And a decanter provided at one end of the first supernatant discharge pipe and positioned below a predetermined level of the continuous batch activated sludge reactor.

(Patent Document 3) Korean Registered Patent No. 1791066

A decanter device installed in the reactor for discharging the supernatant, the guide bar installed in the reactor; A decanter flute which is coupled to the guide bar so as to be shang-dong and has a check valve installed therein to allow the supernatant to flow into the internal space through the inlet and to discharge the supernatant to the outside; And an outlet tube coupled to the outlet port for discharging the supernatant to the outside of the decanter flute, wherein the inlet port and the outlet port are formed on a lower surface of the decanter flute, and the outlet tube includes at least a portion of a flexible material. Provide the device. The decanter device includes a decanter device, a sensor part, and a control part installed in the reactor to discharge the supernatant water, the decanter device comprising: a guide bar installed in the reactor; A decanter flute which is coupled to the guide bar so as to be shang-dong and has a check valve installed therein to allow the supernatant to flow into the internal space through the inlet and to discharge the supernatant to the outside; And an outlet pipe coupled to the outlet to discharge the supernatant to the outside of the decanter flute. The sensor unit includes: a water level sensor installed in the reactor to detect a level of raw water; A water quality sensor for detecting water quality of raw water stored in the reactor; And a flow rate sensor mounted on the outflow pipe and detecting a flow rate of the upper water discharged along the outflow pipe, wherein the control unit receives data collected by the sensor unit and controls the operation of the check valve. Provides a remote control decanter device.

However, the existing decanter has the following problems.

(1) A drain pipe is attached to the float, and the float is discharged out of the tank while the float moves up and down depending on the level of the treated or waste water. At this time, the drain pipe for discharging the treated water is equipped with a valve for draining and blocking the treated water.

(2) The valve used for the existing drain pipe is often applied with an air valve, and the use of such an air valve causes the following problems.

(3) Since air valves use compressed air for operation, various types of valves are used for controlling the valve, such as a compressor for making compressed air, a discharge pipe for sending compressed air from the compressor to the air valve, and a control valve for controlling the application of compressed air. It requires configuration, which complicates the structure.

(4) As such, a configuration necessary for various controls must be provided, not only a large manufacturing cost but also a large cost for maintenance.

(5) In addition, as the structure is complicated, failures occur frequently for each component, thereby lowering the reliability of valve operation.

Korean Registered Room No. 0926852 (Registration Date: September 12, 2006) Korean Patent Registration No. 1709269 (Registration Date: 2017.02.16) Korean Registered Patent No. 1791066 (Registration Date: 2017.10.23)

In view of the above, the present invention is configured to be able to cut off and supply the treated water through a valve means made of an actuator such as a motor and a screw, etc., the structure is simple and easy and inexpensive, as well as precisely opening and closing the valve Another object is to provide a floating decanter for a wastewater treatment apparatus that can increase the reliability of valve opening and closing.

In particular, the present invention is equipped with only the valve means for valve function and the drain pipe for draining the treated water in the float, it is possible to mechanically supply and cut off the treated water while minimizing the overall configuration of the decanter to minimize the weight of the entire decanter treated water Another object is to provide a floating decanter for a wastewater treatment apparatus capable of naturally discharging water.

Floating decanter for wastewater treatment apparatus according to the present invention for achieving this object, at least one guide 100 installed in the water tank (T); A float 200 having the guide 100 in the water tank T and moving up and down according to the water level change in the water tank T, and having a suction guide 220 at the bottom facing the water surface of the water tank T; A valve body (300) having a suction hole (310) and a drain hole (320), the suction hole (310) being installed in close contact with the float (200) in the suction guide (220); The valve body 300 is mounted on the float 200 and the valve body 300 is in close contact with the float 200 by the actuator 430 to block the flow of treated water, or the valve body 300 is separated from the float 200. Valve means (400) for allowing treated water to enter the valve body (300) through the suction hole (310); And a drain pipe 500 connected to the drain hole 320 so as to naturally discharge the treated water entering the valve body 300 out of the water tank T.

In particular, the guide 100, characterized in that installed 2 to 8 side by side at the same interval or installed at a predetermined interval.

In addition, the suction guide 220 is formed in a cylindrical shape so as to penetrate both sides, fixed to the float 200, one side of the other perforated one is characterized in that formed wide open in the form of a lampshade.

The suction hole 310 is formed by penetrating into a circle, a rectangle, an ellipse, a closed curve, or a polygonal shape.

In addition, the valve means 400, at least one through-hole 411 is formed, the fixing plate 410 fixed to the suction hole 310; One side is fixed to the fixing plate 410 to be rotatable, the other side is fastened to the float 200 by a screw method, and is supported by the rotational support of the bush 421 at both ends of the screw fastening portion to move in the longitudinal direction A screw 420 that is removably mounted; And the actuator 430 mounted to the float 200 to rotate by engaging the screw 420.

On the other hand, the guide 100, it is characterized in that the rotary arm mounted so that one side can be rotated to the water tank (T) and the other side can be rotated to the float 200 or the valve body (300).

Finally, the guide 100 is characterized in that the wire.

Floating decanter for wastewater treatment apparatus according to the present invention has the following effects.

(1) Because the actuator can be configured to drain or block the treated water, the overall configuration of the floating decanter can be minimized.

(2) In particular, by having a valve means that functions as a valve in the float and a drain pipe that naturally discharges the treated water out of the tank, the total load applied to the float can be minimized to reduce the total load applied to the decant.

(3) By controlling the natural discharge and shut-off of the treated water mechanically by using the actuator, not only can the configuration of the valve function be minimized, but also the reliability of the valve means to open and close the discharge time and the natural discharge time of the treated water. Can be precisely controlled to increase the reliability.

(4) Since the structure of the decanter is simple, it is easy to manufacture and safe, and can increase the reliability of natural discharge and blocking of treated water, and in particular, reduce manufacturing and maintenance costs.

(5) In addition, with a simple structure, not only does it break easily, but also it can be easily repaired and used safely and conveniently even if it breaks down.

(6) When the water level is lowered as the treated water is discharged, the guide for supporting the float can be supported by using a bar, a rotating arm or a wire, and thus, the shape and shape of the water tank, and the entire decanter. In consideration of the weight and the like can be produced in various forms.

1 is a cross-sectional front view to show the overall configuration of the decanter according to the present invention.
Figure 2 is a plan view showing the configuration of the decanter according to the present invention, (a) is a float supported by a guide consisting of two bars (Bar), (b) is a float supported by four guides, respectively Shows.
3 is a sectional front view showing a state in which the treated water is discharged by the decanter according to the present invention.
4 is an operating state diagram showing a state (a) before discharge of the treated water with the decanter according to the present invention and a state (b) upon discharge.
5 is a view showing a guide in the form of an arm that allows the float according to the present invention to move up and down according to the water level, (a) is a plan view, and (b) is a front view.
6 is a view showing a guide in the form of four wires to move the float according to the water level according to the present invention, (a) is a plan view, (b) is a front view.
FIG. 7 is a plan view showing a guide in the form of three wires that allow the float according to the present invention to move up and down according to the water level.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly define the concept of terms in order to best explain their invention. In accordance with the principle that it can be interpreted as meanings and concepts corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be variations and variations.

(Configuration)

Floating decanter for a waste water treatment apparatus according to the present invention, as shown in Fig. 1 to 7, the guide 100, the float 200, the valve body 300, the valve means 400, and the drain pipe ( 500).

In particular, since the valve means 400 is configured to allow the treated water to enter or reversely block the valve body 300 using the screw 420 and the actuator 430, the natural discharge and blocking of the treated water are convenient and quick. It is to control precisely.

In addition, the guide 100 is manufactured in the form of a bar so that the float 200 moves according to the change in the water level of the treated water, or is configured to move according to the change in the water level in the form of a rotary arm or wire, and thus the float 200 in various ways. ) Makes it possible to discharge the treated water stably in accordance with the change of the water level.

Hereinafter, this configuration will be described in more detail with reference to the accompanying drawings. Here, reference numeral "T" denotes a water tank for receiving and treating wastewater from a wastewater treatment apparatus. In addition, the arrow shows the flow which flows when the treated water processed by the tank discharges to the drain pipe 500 naturally.

<Guide>

As shown in Figs. 1 to 4, the guide 100 is mounted on the water tank T and is moved up and down according to the water level of the treated water (or waste water) which the float 200 to be described later processes in the water tank T. When moving, guide to move stably. The guide 100 may be manufactured in the form of a bar (Bar) and guided in a sliding manner, as shown in FIG. 5, a guide arm 100 'in the form of a rotary arm, or as shown in FIGS. 6 and 7. It can also be produced by a wire guide 100 ".

That is, as shown in FIG. 5, the guide 100 ′ used to adjust the vertical height of the float 200 in a rotating manner is rotatably mounted at both ends between the water tank T and the float 200. As the water level of the water tank T changes, the guide 100 ′ moves in a predetermined arc shape and guides the float 200 to ascend and descend stably according to the changing water level. At this time, one of the guides 100 'mounted on the float 200 may be mounted on the valve body 300 to be described later.

In addition, as shown in FIGS. 6 and 7, the guide 100 ″ used for adjusting the height of the float 200 may use a wire. In this case, the guide 100 ″ made of wire may be used in advance. Since it is manufactured to a predetermined length, even if a separate stopper is not mounted on the float 200, the float 200 may be lowered by the wire length in accordance with the change in the water level, thereby limiting the minimum water level. The wire type guide 100 ″ shows an example in which four wires are arranged at equal intervals in FIG. 6, and two gaps adjacent to three exemplary wires are shown in FIG. 7. The following example shows the same or different spacing.

The guides 100, 100 ', 100 "may be provided with a plurality of guides so that the overall weight including the float 200 and other components to be described later can be smoothly moved according to the water level change, but preferably, 2 ~ It is preferable to use eight adjacent two guides at predetermined intervals, such as equal intervals or different intervals.

In the figure, reference numeral 110 denotes a stopper for controlling the minimum height at which the float 200 which is sliced along the guide 100 in bar form can be lowered.

< Float >

The float 200 is made of a material that can float in the water tank T as shown in FIGS. 1 to 4. At this time, the float 200 is produced in the size and width that can be moved up and down in accordance with the water level change while floating in the water tank (T) while supporting the load of the other configuration.

The float 200 may be manufactured in various shapes and shapes, but since the float 200 needs to move up and down with the water level according to the change of the water level on the water surface, such a movement up and down can be made stable [FIG. 1] and [FIG. 2]. It is preferable to produce in the form of a disk as shown.

In addition, the float 200, as shown in Figs. 1 to 4, receives the guide 100 described above and moves up and down to suit the height of the water surface. The figure shows an example in which the float 200 fitted to the guide 100 having a bar shape receives sliding guide up and down. At this time, since the guide 200 moves up and down according to the water level change in the water tank T, the guide 100 also shows an example in which the guide 100 is installed in parallel with the direction of gravity. However, the guide 100 may not move in the direction of gravity as in the other examples described above.

The float 200 is provided with a suction guide 220 on the bottom as shown in Figs. 1, 3, and 4. The suction guide 220 is mounted on the bottom of the float 200 to form a shape surrounding the valve body 300 to be described later, and the treated water treated in the water tank T is the suction guide 220 and the valve body 300. It is guided to enter the valve body 300 by passing through). In addition, the suction guide 220 prevents the surrounding sludge and foreign matter from entering the valve body 300.

In a preferred embodiment of the present invention, the suction guide 220 is manufactured in a cylindrical shape penetrating through both sides, at which time the open one is fixed in close contact with the float 200, and the other open side to the outside It is desirable to make it in the form of a widespread lampshade. This allows the treated water to enter the valve body 300 as the valve body 300, which will be described later, facing the float 200 in the suction guide 220 moves, wherein the treated water is the suction guide 220. Since it passes through the valve body 300 and enters into the valve body 300, the inlet of the treatment guide 220 is made to be smoothly made in a fresh shape to facilitate the inflow of the treated water.

In the figure, reference numeral "210" is mounted on the float 200 guided by the guide (100 ', 100 ") using a rotary arm or wire to the bottom of the tank (T) when the float 200 is lowered A stopper that limits the lowest water level so that it is in contact so that the float 200 no longer descends.

<Valve body>

The valve body 300 is mounted on the float 200 so as to be located in the suction guide 220 described above, as shown in Figs. 1, 3, and 4, and in particular, the valve means 400 to be described later. In contact with the float 200 to prevent the inflow of treated water into the valve body 300, or to be installed away from the float 200, the treated water is mounted to be introduced into the valve body 300.

In addition, the valve body 300 is driven by the suction hole 310 and the treated water introduced into the valve body 300 so that the treated water treated by the water tank T may enter the valve body 300. The drain hole 320 is penetrated through the valve body 300 so as to be discharged out of the valve body 300.

At this time, the suction hole 310 is formed on the surface facing the above-described float 200, as shown in Figs. 1, 3 and 4, so as to be in close contact with each other, which will be described later. As the valve means 400 moves the valve body 300 close to or away from the float 200, it allows the treated water to enter the valve body 300 or vice versa. In particular, the suction hole 310 may be through-molded in various forms, for example, it may be through-molded in a circle, a square, an ellipse, a closed curve or a polygonal shape. In addition, the suction hole 310 forms a flange at the edge contacting the float 200 and attaches an airtight member such as rubber or silicone to the flange to widen the contact area with the float 200, thereby providing a good supply and blocking of the treated water. It is good to configure it.

Meanwhile, the drain hole 320 may be formed anywhere in the valve body 300 as shown in FIGS. 1, 3, and 4, but may face the suction hole 310 described above. It is preferable to form in a surface. This connects the drain pipe 500 to be described later to the drain hole 320 to naturally discharge the treated water in the valve body 300 out of the water tank T. The suction hole 310 and the drain hole 320 and By disposing the drain pipe 500 up and down, through the valve means 400 to be described later to move these configurations at once stably to ensure that the treatment water supply and blocking can be made smoothly.

<Valve means>

The valve means 400 is attached to the above-described float 200 as shown in Figs. 1, 3, and 4, so that the valve body 300 is in close contact with the float 200, and the treated water flows. Or, conversely, the valve body 300 is dropped from the float 200 to allow the treated water to enter the valve body 300 and allow natural discharge through the drain pipe 500.

The valve means 400 may be configured to include a fixed plate 410, a screw 420, and an actuator 430, as shown in FIG. The fixing plate 410 penetrates at least one through hole 411 on one surface thereof, and is mounted on the suction hole 310 described above. The fixed plate 410 is a through hole when the valve body 300 is moved away from the float 200 so that the treated water enters into the suction hole 310 between the float 200 and the valve body 300. Guides through 411 to enter valve body 300.

In a preferred embodiment of the present invention, the through hole 411 is preferably formed in a symmetrical shape on the fixing plate 410. This is to allow the flow of the treated water passing through the through hole 411 to be evenly distributed on the fixed plate 410 to flow.

As shown in FIG. 4, the screw 420 is rotatably mounted on the fixed plate 410 described above, and the other side is fastened to the float 200 in a screw manner so that the screw 420 is in the longitudinal direction. Mount so that it can move. At this time, one of the screws 420 fixed to the fixing plate 410 is mounted so as to rotate in a bearing support or a ball-socket method mounted on the fixing plate 410. In this case, the ball-socket method is generally equipped with a ball having a spherical shape on one side and a socket in the form of wrapping the ball on the other side so that the other side can be rotated and supported without any rotation. Speaks technology. In this case, the screw 420 is installed on at least one side, preferably both sides, so as to receive rotational support of the bush 421, thereby preventing the screw 420 from being shaken even when the actuator 430 is driven, thereby stably powering the screw 420. Configure for delivery.

The actuator 430 is mounted to the above-described float 200 as shown in FIG. 4. At this time, the actuator 430 is configured to be able to transmit the rotational force by engaging with the screw 420 described above.

The valve means 400 configured as described above rotates the screw 420 to one side by driving the actuator 430 as shown in FIG. 4 (a), and the screw 420 moves upward to raise the valve body 300. Raise and close to the float 200 to block the treated water from entering the valve body (300). On the contrary, as shown in FIG. 4 (b), when the actuator 430 is rotated in reverse and the screw 420 is rotated to the other side, the valve body 300 floats while the screw 420 is lowered. Falling from the process water flowing between the float 200 and the valve body 300 enters the valve body 300 through the suction hole 310.

Meanwhile, in the preferred embodiment of the present invention, the valve means 400 is described as opening and closing the valve body 300 using the screw 420 and the actuator 430, but the valve body 300 is not limited thereto. Any structure can be used as long as it can open and close while moving the lengthwise direction 300. For example, anyone in the technical field of the present invention can apply various methods such as moving a cylinder along its length or changing a rotation of an actuator such as a motor through a rack-pinion in the longitudinal direction. You will be easy to see.

<Drain pipe>

The drain pipe 500 is attached to the valve body 300 mentioned above like FIG. 1, FIG. 3, and FIG. At this time, the drain pipe 500 is fitted to the drain hole 320 of the valve body 300 described above so that the suction port sucks the treated water in the valve body 300 so as to be naturally discharged out of the water tank (T).

The present invention made as described above is configured to open and close the valve means with an actuator to block the natural discharge of the treated water, thereby minimizing the configuration to be mounted on the float, and in particular, by mechanically configured to control the natural discharge and blocking of the treated water. And not only can easily control the opening and closing, but also to increase the reliability of the opening and closing control.

100, 100 ", 100": guide
200: float
220: suction guide
300: valve body
310: suction hole
320: drainage hole
400: valve means
410: fixed plate
420: screw
430 Actuator
500: drain pipe
T: Countertop

Claims (7)

At least one guide 100 installed in the water tank T;
A float 200 having the guide 100 in the water tank T and moving up and down according to the water level change in the water tank T, and having a suction guide 220 at the bottom facing the water surface of the water tank T;
A valve body (300) having a suction hole (310) and a drain hole (320), the suction hole (310) being installed in close contact with the float (200) in the suction guide (220);
The valve body 300 is mounted on the float 200 and the valve body 300 is in close contact with the float 200 by the actuator 430 to block the flow of treated water, or the valve body 300 is separated from the float 200. Valve means (400) for allowing treated water to enter the valve body (300) through the suction hole (310); And
And a drainage pipe (500) connected to the drainage hole (320) to naturally discharge the treated water entering the valve body (300) out of the water tank (T).
In claim 1,
The guide 100,
Floating decanter for wastewater treatment equipment, characterized in that installed 2 to 8 side by side at the same interval or at a predetermined interval.
In claim 1,
The suction guide 220,
It is formed through the both sides in a cylindrical shape,
A floating decanter for a wastewater treatment device, characterized in that one side of the drilled hole is fixed to the float 200 and the other side of the drilled hole is formed to be wide open in a fresh shape.
In claim 1,
The suction hole 310,
Floating decanter for wastewater treatment apparatus, characterized in that the through-molded into a circle, rectangle, ellipse, closed curve, or polygonal shape.
In claim 1,
The valve means 400,
At least one through hole 411 is formed, the fixing plate 410 fixed to the suction hole 310;
One side is fixed to the fixing plate 410 to be rotatable, the other side is fastened to the float 200 by a screw method, and is supported by the rotational support of the bush 421 at both ends of the screw fastening portion to move in the longitudinal direction A screw 420 that is removably mounted; And
Floating decanter for waste water treatment apparatus comprising a; the actuator (430) mounted to rotate in engagement with the screw (420) in the float (200).
The method according to any one of claims 1 to 5,
The guide 100,
A floating decanter for a wastewater treatment apparatus, characterized in that it is a rotary arm mounted on one side so as to be rotatable in the water tank (T), and the other side mounted on the float (200) or valve body (300).
The method according to any one of claims 1 to 5,
The guide 100,
Floating decanter for wastewater treatment apparatus, characterized in that the wire.

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