WO2023008676A1

WO2023008676A1 - Sewage and wastewater treatment apparatus for water supply and drainage system, using vertical ejector and ozone

Info

Publication number: WO2023008676A1
Application number: PCT/KR2022/003506
Authority: WO
Inventors: 정석훈
Original assignee: 정석훈
Priority date: 2021-07-30
Filing date: 2022-03-14
Publication date: 2023-02-02
Also published as: KR102350311B1

Abstract

The present invention relates to a sewage and wastewater treatment apparatus for a water supply and drainage system, using a vertical ejector and ozone, which may be easily moved to a location requiring same, may rapidly remove harmful substances contained in sewage and wastewater by using an ejector and ozone, and may effectively remove exhaust ozone. The sewage and wastewater treatment apparatus for a water supply and drainage system, using a vertical ejector and ozone, according to the present invention in order to solve the objective, comprises a base plate, a water tank, a harmful substance treatment tank, a pump, an ozonizer, an oxygen generator, an ejector, a gas-liquid separator, and an exhaust ozone remover. The base plate has a plurality of moving wheels installed on the bottom surface thereof. The water tank comprises: a treated water supply pipe installed on one side of the water tank so as to supply treated water thereinto; a circulation supply pipe for supplying the treated water stored in the water tank toward the pump; and a treated water discharge pipe for discharging the harmful substance-removed treated water to the outside.

Description

Water supply and sewage wastewater treatment system using vertical ejector and ozone

The present invention relates to a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone, and more particularly, to a vertical ejector and ozone that are connected to a sewage pipe when necessary to ozonize contaminated water in the sewer pipe to purify harmful substances. It relates to a used water supply and sewage wastewater treatment device.

In recent years, in order to remove harmful substances contained in wastewater discharged to sewage, etc., various devices for treating ozone by mixing it with wastewater (hereinafter referred to as 'treated water') have been developed.

As a prior art for the above purpose, an ozone sterilization treatment device for water supply and sewage (hereinafter referred to as 'patent document') of Patent Registration No. 0445301 is disclosed. A primary raw water supply device consisting of a primary inlet, a primary pump and a primary pipe for helping to suck raw water through the primary inlet, a primary vacuum tube for sucking in ozone to one side and discharging ozone that has flowed into the other side, A primary ejector connected to the primary raw water supply device and the primary vacuum tube to inject the raw water into the ozone; A primary aeration tube surrounding the outside of the primary critical tube and extending in the direction of the waterway at a lower portion thereof, and a first aeration tube located at an upper portion of the primary aeration tube and collecting the undissolved ozone while passing through the primary critical tube. A secondary raw water supply device consisting of a primary gas retention tank, a secondary inlet for sucking in the raw water, a secondary pump for helping the raw water be sucked into the second inlet, and a secondary pipe, and a primary gas retention tank on one side. A secondary vacuum tube connected to the inhaled ozone and discharging the ozone introduced to the other side, a secondary ejector connected to the secondary raw water supply device and the secondary vacuum tube and injecting the incoming raw water into the ozone; A secondary critical tube for ejecting the ozone water mixed in the differential ejector into the conduit, a secondary aeration tube having an upper part and a side surface surrounding the outside of the secondary critical tube and a lower part extending in the direction of the waterway; It consists of a secondary gas retention tank located at the top and collecting the undissolved ozone while passing through the secondary critical tube.

The ozone sterilization treatment device disclosed in the patent document is installed in a facility such as a sewage treatment plant or a wastewater treatment plant so that harmful substances contained in discharged wastewater are removed through ozone. This is difficult, and since a large amount of wastewater is treated at once, there is a problem in that it takes a long time for harmful substances to be completely removed.

Therefore, the development of a wastewater treatment system for water supply and sewage, which can be easily moved to the required location, can quickly remove harmful substances contained in wastewater using an ejector and ozone, and has an improved structure to effectively remove residual ozone. It is required.

The present invention was made to solve the problems of the conventional water supply and sewage wastewater treatment apparatus as described above. An object of the present invention is to provide a vertical ejector capable of rapidly removing harmful substances and effectively removing waste ozone and a water supply and sewage wastewater treatment device using ozone.

Water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention for solving the above problems, the base plate having a predetermined size; A water tank of a predetermined size installed on one side of the upper surface of the base plate and storing treated water therein; a harmful substance processing tank vertically installed on one side of the inside of the water tank so as to have an upper and lower length, and mixing and supplying treated water and ozone to the inside to purify harmful substances; a pump installed on the base plate and supplying the treated water inside the water tank to the hazardous substance treatment tank; An ozone generator installed on the other side of the upper surface of the base plate to generate ozone and supply it to the inside of the toxic substance processing tank; an oxygen generator installed on one side of the ozone generator to supply oxygen into the ozone generator; an ejector installed on the top of the hazardous material processing tank and mixing the treated water and ozone supplied from the pump and the ozone generator and ejecting them into the hazardous material processing tank; a gas-liquid separator installed at one upper side of the hazardous material processing tank and discharging ozone not dissolved in the treated water from the inside of the hazardous material processing tank; and an exhaust ozone eliminator installed on the other side of the base plate and removing ozone discharged through the gas-liquid separator, wherein a plurality of moving wheels are installed on the bottom surface of the base plate, and the water tank is installed on one side of the base plate for treatment. A treated water supply pipe for supplying water to the inside; A circulation supply pipe supplying the treated water stored therein to the pump; and a treated water discharge pipe for discharging the treated water from which harmful substances are removed to the outside.

In addition, the present invention provides that the harmful substance treatment tank includes an external tank having an open bottom and a predetermined length; a discharge pipe installed on an upper portion of the external tank and discharging mixed water in which treated water and ozone are mixed into the external tank; and an upper and lower inner tank having a predetermined length, the upper surface of which is opened, and the discharge pipe is inserted into the outer tank at a predetermined depth.

In addition, another feature of the present invention is that a valve for controlling the supply flow rate of the treated water is installed on the treated water supply line for supplying the treated water stored in the water tank to the harmful substance treatment tank through the pump.

In addition, another feature of the present invention is that a first pressure gauge indicating the supply pressure of the treated water is installed on the treated water supply line.

Another feature of the present invention is that a second pressure gauge indicating the supply pressure of ozone is installed on the ozone supply line for supplying the ozone generated by the ozone generator toward the hazardous substance treatment tank.

According to the present invention, a plurality of moving wheels are installed on the lower surface of the base plate, and a water tank, a toxic substance treatment tank, a pump, an ozone generator, an oxygen generator, an ejector, a gas-liquid separator, and an ozone eliminator are installed on the upper surface of the base plate. It has the advantage of being easy to move to the required location.

In addition, the treated water supplied into the tank is circulated through the pump and repeatedly passes through the hazardous substance treatment tank, and in this process, harmful substances are quickly removed by being mixed with ozone. As a result, harmful substances contained in the treated water stored in the tank There is an advantage in that the time required to remove the material is shortened.

1 is a front perspective view showing an example of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

Figure 2 is a rear perspective view showing an example of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

Figure 3 is a plan view showing an example of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

Figure 4 is a cross-sectional view showing an example of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

Figure 5 is a rear view showing an example of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

6 is a view showing another embodiment of a water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone according to the present invention.

7 is a view showing another embodiment of a discharge pipe according to the present invention.

8 is a view showing another embodiment of a hazardous substance processing tank according to the present invention.

Hereinafter, it will be described in detail according to the accompanying drawings showing a preferred embodiment of the present invention.

The present invention can be easily moved to a required location, can quickly remove harmful substances contained in wastewater using an ejector and ozone, and a water supply and sewage wastewater treatment device using a vertical ejector and ozone that can effectively remove residual ozone. As shown in FIGS. 1 and 2, the present invention is to provide a base plate 10, a water tank 20, a hazardous substance treatment tank 30, a pump 40, an ozone generator 50, It includes an oxygen generator (60), an ejector (70), a gas-liquid separator (80) and an ozone remover (90).

The base plate 10 is formed in a plate shape having a predetermined size and includes a water tank 20, a hazardous substance processing tank 30, a pump 40, an ozone generator 50, an oxygen generator 60, and an ejector 70 which will be described later. ), a gas-liquid separator 80 and an ozone remover 90 are installed.

A plurality of moving wheels 11 are installed on the lower surface of the base plate 10, through which the location of the wastewater treatment device can be easily moved when necessary.

In addition, a guide handle (not shown) may be installed on one side of the base plate 10 so that the operator can grip the wastewater treatment apparatus when moving it.

The water tank 20 is installed on one side of the upper surface of the base plate 10 to store a predetermined amount of treated water therein.

As shown in FIGS. 1 to 3, the water tank 20 is formed in a rectangular box shape with an open upper surface, and a treated water supply pipe 21 for supplying treated water to the inside is provided at the lower part of one side of the water tank 20. are provided

Further, a circulation supply pipe 22 for supplying the treated water stored in the water tank 20 toward the pump 40 is provided at the lower part of the other side of the water tank 20 .

In addition, a treated water discharge pipe 23 is provided at an upper portion of one side of the water tank 20 at a predetermined interval from the treated water supply pipe 21, and harmful substances are removed from the inside of the water tank 20 through the treated water discharge pipe 23. The treated water is discharged to the outside or supplied to another treatment device (not shown).

On the other hand, the circulation supply pipe 22 is located at a location relatively far from the position where the hazardous substance treatment tank 30, which will be described later, is installed, whereby the treated water discharged from the hazardous substance treatment tank 30 passes through the circulation supply pipe 22. through the direct flow to the pump 40.

The toxic substance processing tank 30 is installed on one side of the inside of the water tank 20 to have a vertical length, and the treated water and ozone supplied from the pump 40 and the ozone generator 50, which will be described later, are mixed inside. It is a configuration that allows harmful substances in the treated water to be stored and removed.

As shown in FIG. 4, the toxic substance treatment tank 30 has an external tank 31 with an open bottom and a predetermined length, and is installed on the top of the external tank 31 to enter the external tank 31. Installed inside the discharge pipe 32 and the external tank 31 through which the mixed water of treated water and ozone is discharged, the upper surface is opened and the discharge pipe 32 is inserted to a predetermined depth inside the upper and lower portions of a predetermined length. It includes a tank (33).

In addition, a pedestal 34 having a predetermined height is installed inside the water tank 20, and the external tank 31 is installed to be supported by being seated on the pedestal 34. At this time, the pedestal 34 has an upper surface and an outer surface. This open frame structure is configured so that the treated water discharged through the bottom surface of the external tank 31 can naturally flow into the water tank 20.

In addition, a plurality of incisions 31B are radially formed at the lower end of the external tank 31, and even if the external tank 31 is installed to touch the bottom of the water tank 20 through these incisions 31B, the internal The treated water can be discharged to the inside of the water tank 20 through the cutout 31B of the external tank 31 .

Through the configuration of the toxic substance processing tank 30 as described above, the treated water and ozone are discharged into the inner tank 33 through the discharge pipe 32 in a mixed state from the ejector 70, which will be described later. In the process, ozone is dissolved in the treated water.

In addition, the undissolved ozone remains in the treated water in the form of bubbles, which naturally flow to the upper side of the outer tank 31 in the process of flowing the treated water toward the outer tank 31 through the upper end of the inner tank 33. get together

As a result, since ozone exists only in a dissolved state in the treated water recovered into the water tank 20, ozone is prevented from being released into the air as it is.

In addition, while the treated water is circulated through the pump 40, the ozone concentration in the treated water increases, thereby rapidly rising to an appropriate ozone concentration capable of removing harmful substances contained in the treated water. Harmful substances are quickly removed.

On the other hand, ozone in a gaseous state collected on the inside upper side of the external tank 31 is discharged toward a gas-liquid separator 80 to be described later through an ozone discharge pipe 31A provided at one upper side of the external tank 31.

As shown in FIG. 3, the pump 40 is installed on the base plate 10 and is connected to the circulation supply pipe 22 of the water tank 20, and through this, the treated water inside the water tank 20 is transferred to the toxic substance treatment tank ( 30).

As shown in FIGS. 2 and 3, the pump 40 is provided with a treated water supply line L1 connecting an outlet of the pump 40 and one end of an ejector 70 to be described later, and the treated water supply line On (L1), a first pressure gauge P1 for displaying the supply pressure of the treated water and a flow control valve V for adjusting the supply flow rate of the treated water are respectively installed.

At this time, the first pressure gauge (P1) and the flow control valve (V) are installed on the treated water supply line (L1) in close proximity to the pump 40, through which the operator can check the operating state of the pump 40 and the treated water It is possible to check the supply pressure and flow rate at the same time in one place.

Through the above configuration, instead of the operator controlling the operation of the pump 40, the supply flow rate of the treated water is adjusted by manually adjusting the flow control valve V while checking the oil pressure through the first pressure gauge P1. be able to

The ozone generator 50 is a device that converts air or oxygen into ozone through silent discharge. As shown in FIGS. 3 and 5, the ozone generator 50 is installed on the other side of the upper surface of the base plate 10, Ozone generated through this is supplied to one side of the inside of the ejector 70 to be described later through the ozone supply line (L2).

At this time, a second pressure gauge P2 indicating the supply pressure of ozone supplied to the inside of the ejector 70 and a thermometer T indicating the temperature of the ozone are installed on the ozone supply line L2, respectively. The operation of the ozone generator 50 is controlled while checking the supply pressure and temperature of ozone through P2 and the thermometer T.

Here, the second pressure gauge (P2) and the thermometer (T) are installed on the ozone supply line (L2) to be located in the front side of the water tank 20, through which the operator checks the second pressure gauge (P2) and the thermometer (T) At the same time, it is possible to monitor the situation in which the treated water inside the water tank 20 is treated.

Since the ozone generator 50 as described above is selected and configured from among various types of ozone generators that are known and widely used, a detailed description of the configuration and operation thereof will be omitted.

The oxygen generator 60 is configured to supply oxygen necessary for ozone generation toward the ozone generator 50, and as shown in FIG. 5, the oxygen generator 60 is installed on one side of the ozone generator 50, and the oxygen generator A pipe (no reference numeral) is connected so that the oxygen generated in 60 is supplied toward the ozone generator 50.

The ejector 70 mixes the treated water supplied through the treated water supply line L1 with the ozone supplied through the ozone supply line L2 and ejects it into the hazardous substance treatment tank 30 at high speed.

As shown in FIGS. 2 and 4, the ejector 70 is formed in an “A” shape, and the lower end is connected to the discharge pipe 32 of the upper part of the external tank 31 of the toxic substance processing tank 30, The upper end is connected to one end of the treated water supply line (L1), and the side end is installed to have a length in the vertical direction so as to be connected to one end of the ozone supply line (L2).

Through the above configuration, ozone is ejected toward the discharge pipe 32 at high speed in a state where ozone is mixed with the treated water, whereby ozone is discharged to the treated water at high speed toward the bottom of the inner tank 33 along the discharge pipe 32. This is dissolved to form ozone-containing water.

The gas-liquid separator 80 removes moisture remaining in gaseous ozone discharged through the ozone discharge pipe 31A of the harmful substance treatment tank 30, and supplies only gaseous ozone to the exhaust ozone remover 90 to be described later. It is a composition that

The gas-liquid separator 80 is selected and configured from various types of gas-liquid separators that are known and widely used, and therefore, a detailed description of the gas-liquid separator 80 will be omitted.

The ozone eliminator 90 removes gaseous ozone discharged through the gas-liquid separator 80. To this end, the inside of the ozone eliminator 90 is filled with activated carbon, Ozone is supplied to the inside of the ozone remover 90 through the ozone discharge line L3, and ozone is removed through activated carbon.

On the other hand, in the above, only the harmful substance treatment tank 30 is shown and described as being fixedly installed at a predetermined height through the pedestal 34, but unlike this, as shown in FIG. 6, the bottom surface of the inner tank 33 vertically A guide shaft 35 having a predetermined length is installed, and an insertion tube 36 having a predetermined diameter into which the lower end of the guide shaft 35 is inserted is installed on the inner bottom or pedestal 34 of the water tank 20. A fixing screw 36A for fixing the inserted guide shaft 35 may be installed in the pipe 36 so that the height of the inner tank 33 can be adjusted.

When the height of the inner tank 33 is adjustable in this way, the height of the inner tank 33 can be appropriately adjusted according to the capacity (water level) of the treated water stored in the water tank 20 and treated at one time. As a result, the upper part of the inner tank 33 is always positioned higher than the water level of the treated water stored in the water tank 20 so that the treated water in the water tank 20 is prevented from flowing backward toward the inner tank 33 structurally. .

In addition, it has been shown and described above that only the treated water discharged at high speed through the discharge pipe 32 and AM are mixed while strongly hitting the bottom of the inner tank 33, but in addition to this, as shown in FIG. 7, the discharge pipe Spiral protrusions 32A are formed along the outer surface of 32, and treated water and ozone discharged into the inner tank 33 through these protrusions 32A flow spirally along the protrusions 32A. It may be configured to rise, whereby the time during which the treated water and ozone are mixed with each other in the inner tank 33 is extended, thereby improving the dissolution efficiency of ozone.

In addition, as shown in FIG. 8, the toxic substance processing tank 30 includes a tank body 310 having a predetermined length vertically, a discharge pipe 320 installed on the inner upper portion of the tank body 310, and the Harmful substance treatment including a rotary shaft 330 installed inside the tank body 310 to have a predetermined length up and down, and a motor 330 connected to the upper part of the rotary shaft 330 to rotate the rotary shaft 330 It may be configured by changing to the tank 300.

At this time, an ozone discharge pipe 311 is installed on one side of the upper portion of the tank body 310, a treated water discharge pipe 312 is installed on the lower portion, and a control valve 313 is installed on the treated water discharge pipe 312, thereby Through the ozone discharge pipe 311, gaseous ozone that is not dissolved in the treated water is discharged toward the gas-liquid separator 80, and the treated water reacted for a predetermined time in the tank body 310 passes through the treated water discharge pipe 312 to the water tank ( 20) will be discharged to the inside.

In addition, a plurality of perforation blades 331 are radially installed on the rotary shaft 330, and as a result, the rotary shaft 330 is rotated through the motor 340, so that the perforated blade 331 is rotated and the tank body ( 310) Numerous bubbles are generated in the treated water contained therein, thereby improving ozone dissolution efficiency.

In addition, a funnel-shaped dripping guide 350 is installed on the upper surface of the motor 340, whereby the treated water discharged through the discharge pipe 320 hits the dripping guide 350 strongly and moves downward toward the tank body 310. Fall down.

As described above, the present invention has a plurality of moving wheels installed on the lower surface of the base plate, and a water tank, a toxic substance treatment tank, a pump, an ozone generator, an oxygen generator, an ejector, a gas-liquid separator and an exhaust ozone eliminator on the upper surface of the base plate. Since it is installed, it can be easily moved to the required location, and since the treated water supplied into the tank is circulated through the pump and repeatedly passes through the hazardous substance treatment tank, the time for harmful substances to be removed through ozone is shortened.

In the above, reference numerals and names have been given to the drawings showing preferred embodiments and the components shown in the drawings for convenience of explanation, but this is an embodiment according to the present invention, which corresponds to the shape shown on the drawings and the given name. The scope of the right should not be construed as being limited, and the change to various shapes predictable from the description of the invention and the simple substitution with a configuration that has the same action are within the range of change to be easily performed by those skilled in the art. You will find it extremely self-evident.

Claims

Base plate 10 having a predetermined size;

A water tank 20 of a predetermined size installed on one side of the upper surface of the base plate 10 and storing treated water therein;

a hazardous substance treatment tank 30 vertically installed on one side of the inside of the water tank 20 so as to have an upper and lower length, and mixing and supplying treated water and ozone therein to purify harmful substances;

a pump 40 installed on the base plate 10 and supplying the treated water inside the water tank 20 to the hazardous substance treatment tank 30;

An ozone generator 50 installed on the other side of the upper surface of the base plate 10 to generate ozone and supply it to the inside of the toxic substance treatment tank 30;

An oxygen generator 60 installed on one side of the ozone generator 50 to supply oxygen into the ozone generator 50;

An ejector installed on the upper part of the harmful substance treatment tank 30 and mixing the treated water and ozone supplied from the pump 40 and the ozone generator 50 and discharging them into the harmful substance treatment tank 30 (70);

a gas-liquid separator 80 installed at one upper side of the hazardous material processing tank 30 and discharging ozone not dissolved in the treated water from the inside of the hazardous material processing tank 30; and

An ozone eliminator 90 installed on the other side of the base plate 10 and removing ozone discharged through the gas-liquid separator 80;

including,

The base plate 10,

A plurality of moving wheels 11 are installed on the bottom,

The water tank 20,

A treated water supply pipe 21 installed on one side and supplying treated water to the inside;

A circulation supply pipe 22 for supplying the treated water stored therein to the pump 40; and

A treated water discharge pipe 23 for discharging the treated water from which harmful substances are removed to the outside;

Water and sewage wastewater treatment apparatus using a vertical ejector and ozone, characterized in that it comprises a.
The method of claim 1,

The hazardous substance processing tank 30,

an external tank 31 having a predetermined length above and below the bottom of which is open;

A discharge pipe 32 installed on the upper part of the external tank 31 and discharging mixed water in which treated water and ozone are mixed into the external tank 31; and

an inner tank 33 having a predetermined length up and down, the upper surface of which is opened and the discharge pipe 32 is inserted into the outer tank 31 at a predetermined depth;

Water and sewage wastewater treatment apparatus using a vertical ejector and ozone, characterized in that it comprises a.
The method of claim 1,

On the treated water supply line (L1) for supplying the treated water stored in the water tank 20 through the pump 40 toward the hazardous substance treatment device 30,

Water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone, characterized in that a valve (V) for controlling the supply flow rate of treated water is installed.
The method of claim 3,

On the treated water supply line (L1),

Water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone, characterized in that the first pressure gauge (P1) indicating the supply pressure of the treated water is installed.
The method of claim 1,

On the ozone supply line (L2) for supplying the ozone generated by the ozone generator 50 toward the toxic substance processing device 30,

Water supply and sewage wastewater treatment apparatus using a vertical ejector and ozone, characterized in that a second pressure gauge (P2) indicating the supply pressure of ozone is installed.