KR20210119192A - Energy-saving Water treatment device - Google Patents

Abstract

The present invention relates to an energy-saving agricultural water quality increasing apparatus, which is easily installed in a narrow agricultural waterway to quickly and efficiently purify polluted water contained in the agricultural waterway and re-supply the purified water to the agricultural waterway. According to the present invention, the energy-saving agricultural water quality increasing apparatus comprises: a support installed in the upper part of an agricultural waterway; a sedimentation and concentration apparatus installed on the upper part of the support to receive agricultural water of the agricultural waterway and discharge impurities of the received agricultural water and treated water, from which the impurities have been removed, to the outside; a decomposition and floating apparatus installed to be connected to the sedimentation and concentration apparatus through a pipe, supplying microbubbles to the treated water flowing from the sedimentation and concentration apparatus, and discharging scum generated by supply of the microbubbles and the treated water, from which the scum is removed, to the outside; and a dehydrator re-supplying agricultural water, from which foreign substances in the agricultural water are removed by a membrane filtration device installed on one side of the decomposition and floating apparatus to remove fine residual foreign substances from the inflowing treated water, to the agricultural waterway, receiving the impurities flowing from the sedimentation and concentration apparatus, the scum flowing in from the decomposition and floating apparatus, and washing water flowing from the membrane filtration apparatus to the inside to remove moisture from the received materials, discharging sludge, from which the moisture has been removed, the outside, and re-supplying dehydration filtrate generated during a dehydration process to the sedimentation and concentration apparatus.

Description

Energy-saving agricultural water treatment device {Energy-saving Water treatment device}

The present invention relates to an energy-saving agricultural water quality improvement apparatus, and more specifically, to an energy-saving agricultural water system that can be easily installed in a narrow agricultural waterway to quickly and efficiently purify the polluted water contained in the agricultural waterway and re-supply it to the agricultural waterway It relates to a water quality improvement device.

Agricultural water refers to water that is systematically supplied to agricultural land to ensure the safety of crop growth and to rationalize agricultural management.

Such agricultural water is usually transferred through an agricultural waterway in the form of a waterway installed to draw water.

However, in the case of a reservoir, which is one of the facilities for supplying agricultural water, it is formed so that the water is in a stagnant state, and various pollutants and soil flowing in from the surrounding can be contained in the agricultural water, and it is maintained in a stagnant state. Accordingly, there is a high possibility of water pollution caused by eutrophication and water pollution caused by pollutants such as heavy metals.

Accordingly, in recent years, it is emerging as an important issue to ensure that the agricultural crops supplied with clean agricultural water, which have secured the stability of agricultural water, achieve an environmentally stable state.

Clean agricultural water as described above is an essential element for obtaining the excellent agricultural product management system certification, and since the added value of eco-friendly agricultural products is twice that of general agricultural products, it is considered a very important factor for improving farm household income and securing agricultural competitiveness. .

Accordingly, in Korea, since 2007, in order to secure agricultural water, the agricultural water quality improvement project by applying various pollutant removal technologies, leading to the removal of algae, the cause of eutrophication, has been carried out. Agricultural water that exceeds the standard is increasing.

In order to improve this, a device capable of improving the water quality of stored water as in Documents (1) and (2) has been proposed in the prior art.

However, conventional water quality improvement devices such as Literature (1) and Literature (2) had a problem in that the installation and use of the water quality improvement device could be achieved only when the site for the facility was kept constant.

In addition, even when installing to improve the water quality of agricultural water, there was a problem in that economic efficiency was lowered compared to the installation cost as a large amount of equipment was required.

In addition, there was a problem in that it was difficult to secure a high water quality improvement effect compared to the installation cost and working time even in the case of trying to improve the quality of agricultural water by removing various foreign substances contained in agricultural water.

(1) Republic of Korea Patent Registration No. 10-0915918 (2009.08.31) (2) Publication No. Room 1996-037409 (June 16, 1996) for the Republic of Korea Registration Office

The present invention has been devised to solve the above-described problems, and the objects of the present invention are as follows.

First, to provide a water quality improvement device that can be easily installed and used even on a limited site.

Second, it is possible to easily improve the water quality of agricultural water without unnecessarily extending the size or length of the water quality improvement device.

Third, even when it is not possible to secure a site for installing the water quality improvement device, it is conveniently installed on the upper part of the agricultural waterway through which agricultural water is transported so that it can be used.

Fourth, in order to increase the efficiency of the water quality improvement device, it is possible to install and use it without needlessly increasing the size and specification of each component, thereby achieving an overall cost reduction effect for the production and installation of the water quality improvement device.

Fifth, it is configured to quickly purify the incoming agricultural water so that it can secure high economic efficiency compared to the installation cost.

Sixth, through the configuration of the sedimentation concentration device, the decomposition flotation device, and the membrane filtration device, it facilitates the removal of suspended solids with a high specific gravity as well as the suspended solids with a low specific gravity included in agricultural water, thereby improving the water quality of agricultural water. to make it higher

In order to achieve the above object, the present invention provides a support installed on the upper part of the agricultural waterway, and a support installed on the upper portion of the support to introduce agricultural water into the agricultural waterway, and after removing impurities from the introduced agricultural water, and treated water from which impurities are removed Fine bubbles are supplied to the treated water flowing in by the sedimentation concentrator discharged to the treatment facility and the decomposition flotation device connected through the sedimentation concentrator and the pipe, and the scum generated through the supply of the fine bubbles and the scum are removed. The treated water is discharged to the outside, and the membrane filtration device installed on one side of the decomposing flotation device removes the fine foreign substances remaining in the treated water of the decomposition flotation device, and the agricultural water from which the foreign substances are removed is re-supplied to the agricultural waterway, The contaminants separated from the sedimentation concentrator housed inside, the scum flowing from the decomposition flotation device, and the washing water flowing from the membrane filtration device are introduced into the dehydration device connected through a separate pipe to remove moisture, and the moisture is removed. The sludge is discharged to the outside, and the dewatering filtrate generated in the dehydration process may include a dehydration device for re-supplying to the inlet water tank.

In addition, the sedimentation concentrating device is installed on the upper portion of the support, a receiving space is formed on the inner side and a main body provided with an inlet through which agricultural water is introduced on one side, a fixed type forced swirler installed inside the main body, and the main body It may be configured to include an upper treated water outlet, a lower contaminant outlet.

In addition, the disassembling flotation device includes an installation housing fixedly installed on the upper side of the support, a transfer pipe installed to be connected through the installation housing and the inlet pump, and at least one or more installed in the installation direction of the transfer pipe to the transfer pipe It may be configured to include a bubble generator for supplying microbubbles.

In addition, the bubble generator may be configured as an air compressor.

And when the microbubbles formed through the bubble generator are transferred along the transfer pipe, the pressure of the microbubbles flowing into the decomposition flotation device may be lower than the pressure of the microbubbles formed through the bubble generator.

In addition, when the microbubbles formed through the bubble generator are transported along the transport pipe, low pressure and high pressure are repeatedly formed and transported through the configuration of at least one or more bubble generators provided.

In addition, the decomposition flotation device is connected to the transfer pipe and has a storage space for accommodating agricultural water on the inside, and a box-shaped pressure flotation tank in which a scum outlet and a treated water outlet are formed on the side, and is provided on the inside of the press flotation tank A separation plate for separating the storage space and the scum outlet, and a solids remover installed on the upper side of the pressurizing flotation tank to filter the scum floating to the top and guide it to the scum outlet.

In addition, the solids remover includes a plurality of rotary rollers installed in the longitudinal direction on the upper inner side of the pressing buoyancy tank, and a plurality of conveying rollers installed in the longitudinal direction on the upper inner side of the pressing buoyancy tank to face the rotary roller, and the rotary roller A plurality of fixed bars installed to connect the and the transfer roller, a transfer belt respectively installed to surround the rotating roller and the transfer roller, and a motor installed on the upper side of the pressing buoyancy tank so as to be connected to any one of the rotating rollers of the rotating roller And, the rotary roller and the conveying belt installed on the conveying roller are installed to connect in the installation direction of the fixed bar and are moved in the installation direction of the conveying belt according to the operation of the motor to filter the scum inside the pressing buoyancy tank to the scum outlet It may be configured to include a removal plate to guide.

On the other hand, the dewatering device is installed to be connected to the sedimentation concentration device, the decomposition flotation device, and the membrane filtration device, and an air outlet for creating a vacuum inside the dehydration device, a dewatering solution drain nozzle, and a sludge discharge hole are formed on the front surface, and an inlet hole on the upper surface is formed, a sludge screw conveyor installed on the upper side of the dehydration liquid storage tank, and a screw motor connected to an end of the sludge screw conveyor and operated through rotation of the sludge screw conveyor.

The present invention as described above can obtain the following effects.

First, it is possible to provide a water quality improvement device that can be easily installed and used even on a limited site.

Second, it is possible to easily improve the water quality of agricultural water without unnecessarily extending the size or length of the water quality improvement device.

Third, even if it is not possible to secure a site for installing the water quality improvement device, it can be conveniently installed on the upper part of the agricultural waterway through which agricultural water is transported.

Fourth, in order to increase the efficiency of the water quality improvement device, it is possible to install and use it without needlessly increasing the size and specification of each component, thereby achieving an overall cost reduction effect for the production and installation of the water quality improvement device.

Fifth, it is configured to quickly purify the incoming agricultural water, so it can secure high economic efficiency compared to the installation cost.

Sixth, through the configuration of the sedimentation concentration device, the decomposition flotation device, and the membrane filtration device, it facilitates the removal of suspended solids with a high specific gravity as well as the suspended solids with a low specific gravity included in agricultural water, thereby improving the water quality of agricultural water. can be raised

1 is a schematic view showing the process flow of the energy-saving agricultural water quality improvement apparatus according to the present invention.
Figure 2 is a perspective view showing an energy-saving agricultural water quality improvement device according to the present invention.
Figure 3 is a front view showing an energy-saving agricultural water quality improvement device according to the present invention.
Figure 4 is a plan view showing an energy-saving agricultural water quality improvement apparatus according to the present invention.
Figure 5 is a right side view showing an energy-saving agricultural water quality improvement device according to the present invention.
Figure 6 is a left side view showing an energy-saving agricultural water quality improvement apparatus according to the present invention.
7 is a schematic view showing a membrane filtration device according to the present invention.
Figure 8 is a state diagram showing a state in which the energy-saving agricultural water quality improvement device of the present invention is installed in an agricultural waterway.
9 is a state diagram showing the operating state of the energy-saving agricultural water quality improvement device of the present invention.
Figure 10 is another use state diagram showing the operating state of the present invention energy-saving agricultural water quality improvement device.

The terms or words used in the present specification and claims are not to be construed as being limited in their ordinary or dictionary meanings, but 'the inventor may properly define the concept of the term in order to best describe his invention. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of 'can be'.

In addition, the embodiments described in this specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so they can be substituted at the time of the present application It should be understood that there may be various equivalents and variations.

Prior to explaining the present invention, the inventors of the present invention are difficult to use as agricultural water as the concentration of water stored in the agricultural reservoir increases, and the problem that can be achieved only by having a large-scale installation to improve the water quality of agricultural water In order to improve The present invention was proposed.

The terms or words used in the present specification and claims are not to be construed as being limited in their ordinary or dictionary meanings, but 'the inventor may properly define the concept of the term in order to best describe his invention. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of 'can be'.

In addition, the embodiments described in this specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so they can be substituted at the time of the present application It should be understood that there may be various equivalents and variations.

Prior to explaining the present invention, the inventors of the present invention are difficult to use as agricultural water as the concentration of water stored in the agricultural reservoir increases, and the problem that can be achieved only by having a large-scale installation to improve the water quality of agricultural water In order to improve The present invention was proposed.

1 to 5, the present invention includes a support 100 installed on the upper part of the agricultural waterway 1, and a support 100 installed on the support 100 to introduce agricultural water (W) into the agricultural waterway, and A sedimentation concentrator 200 for discharging the contaminants (S2) of the agricultural water (W) and the primary treated water (S1) from which the contaminants (S2) are removed to the outside, and from the sedimentation concentrator 200 through a pipe A scum (S4) that is connected and installed, supplies the microbubbles (B) to the primary treated water (S1) flowing in through the provided decomposition and flotation device 300, and is generated through the supply of the microbubbles (B); The decomposition flotation device 300 for discharging the secondary treated water S3 from which the scum (S4) is removed, and the secondary treated water S3 installed on one side of the decomposition flotation device 300 and introduced Membrane filtration device 400 to remove foreign substances (D), agricultural water (W) from which foreign substances (D) are removed is re-supplied to agricultural waterway (1), and foreign substances (S2), scum (S4), washing water accommodated inside The sedimentation concentrating device 200, the decomposition flotation device 300, and the membrane filtration device 400 for discharging (S5) to the outside are installed to be connected to the dehydration device 500 and contaminants introduced from the sedimentation concentrator 200 (S2), the scum (S4) flowing in from the decomposition flotation device 300, and the washing water (S5) flowing in from the membrane filtration device 400 are introduced to the inside to remove moisture, and the moisture is removed from the dried sludge ( S7) is discharged to the outside, and the dehydration filtrate (S6) generated in the dehydration process is configured to include a dehydrator 500 that is re-supplied to the precipitation concentrator 200 .

As shown in FIGS. 2 to 6 , the support 100 is composed of a plurality of fixed beams 110 fixedly installed on the upper part of the floor and a connecting beam 120 connecting the fixed beams 110 . do.

The configuration of the support 100 includes a sedimentation concentrator 200, a decomposition flotation device 300, and a membrane filtration device 400 to the upper portion of the support 100 in a state where it is firmly installed on the upper part of the agricultural waterway (1). is easily installed, and is configured to firmly withstand the load of the sedimentation concentrator 200, the decomposition flotation device 300, the membrane filtration device 400, and the dehydrator 500, and is installed on the side of the decomposition flotation device. A dehydrator 500 is installed.

In addition, the support 100, the sedimentation concentrating device 200, the decomposition flotation device 300, and the membrane filtration device 400 are configured to be separated and combined so that they can be conveniently transported to the place where they want to be installed. It is constructed so that it can be assembled and used at the installation site.

And the sedimentation concentrator 200 is installed on the upper part of the support 100 as shown in FIGS. 2 to 7, and introduces agricultural water (W) accommodated in the agricultural waterway to dry sludge such as green algae, leaves, etc. ( By separating S7) is configured to purify the agricultural water (W).

At this time, the dry sludge (S7) makes water cloudy and reduces dissolved oxygen, and it attaches to the gills of the fish in the decomposition process and kills the fish. This increases the degree of pollution of the water.

The dried sludge (S7) can be removed by separating it from water through sedimentation, flotation, and filtration processes, and phosphorus and some organic matter can also be removed in the process of removing it.

Accordingly, the precipitation concentrating device 200 is configured to undergo a process of precipitating and removing the contaminants S2 as described above.

To describe this configuration in more detail, the sedimentation concentrating device 200 is installed on the support 100 and the flow rate adjusting tank 310, and an accommodating space 220 is formed inside and on one side of the agricultural water (W) It is configured to include an inlet 210 into which is introduced, a fixed forced vortex 230 installed inside the sedimentation concentrator 200 , a treated water outlet 240 , and a contaminant outlet 250 .

The sedimentation concentrating device 200 is configured so that agricultural water (W) flowing in through the inlet 210 can be accommodated inside the accommodation space 220, and in the present invention, it is forcibly transferred from the inflow water pump (not shown). It is configured so that the agricultural water (W) can be introduced into the sedimentation concentrating device 200 through a pipe (not shown) connected to the inlet 210 .

Agricultural water (W) flowing into the receiving space 220 of the main body 200 through the inlet 210 is forcibly rotated in one direction by the rotating blade of the stationary forced swirler 230 to form a centrifugal force. Contaminants (S2) having a high specific gravity, such as , green algae leaves, etc. are discharged to the contaminants outlet 250 to settle down through the wall surface of the main body 200, and agricultural water (W) is from the inside of the receiving space 220 to the upper part. To make the movement to be made, it is treated and transported to the treated water outlet 240, and through the above-mentioned work process, the contaminants in the agricultural water (W) flowing into the sedimentation concentrating device 200 are easily removed. It is possible to send to the decomposition levitation device 300 to be described in detail.

In particular, the inflow of agricultural water (W) and the removal of contaminants (S2) through the sedimentation concentrating device 200 described above can be performed by introducing agricultural water (W) flowing along the agricultural waterway, 8 to 10, after blocking the agricultural waterway (1) to remove contaminants by a selected length, agricultural water (W) flowing along the agricultural waterway (1) flows into the sedimentation concentrator 200. it will be done

And, the decomposition flotation device 300 forms a flow rate adjustment tank 310 in which the primary treated water (S1) treated from the sedimentation concentrating device 200 is connected to the inside to accommodate agricultural water (W), and chemicals The reaction tank 313, the chemical injector 314, the bubble generator 330, the box-shaped flotation tank 340, and the solids remover 350 for separating the floating scum (S4), the depressurization in the dehydrator 500 It is configured to include an ejector 321 for forced air suction to form.

The rather large suspended matter of the primary treated water S1 transferred from the sedimentation concentrator 200 is filtered by the filter plate 311 installed inside the flow rate control tank 310 and then flows into the chemical reaction tank 313, and the The chemical injector 314 is formed so that it is possible to inject a coagulant capable of coagulating various foreign substances in the primary treated water (S1) flowing into the decomposition and flotation device 300, which is the primary treated water (S1). It is to be able to filter out my contaminants (S4).

A screw is installed inside the drug injector 314 so that the drug can be constantly fed into the chemical reaction tank 313 at a set speed, and the speed can be adjusted according to the concentration of the influent.

The chemical reaction tank 313 is a resistance plate (not shown) or a separate stirrer (not shown) in which the agricultural water (W) introduced through the filter plate 311 and the chemicals injected from the chemical injector 314 are installed therein. is installed so that they can be sufficiently mixed, and transferred to the bubble generating device 330 by the inflow pump 315 .

The bubble generator 330 includes a bubble generator 334 fixedly installed on the upper side of the support 100, and a transfer pipe 333 installed to be connected through the bubble generator 334 and the inlet pump 315; , a bubble generator 334 that is installed in the installation direction of the transfer pipe 333 to generate fine bubbles (B) through the transfer pipe 333, and a bubble generator 334 to be connected to the transfer pipe 333 ) is configured to include a compressed air intake 332 installed in the.

The bubble generator 334 is configured to easily install the pipe 333 , the inflow pump 315 , and the transport pipe 333 on the support 100 , and the transport pipe 333 is connected to the outside. It is configured to prevent damage from exposure.

At this time, the ejector 321 is installed in the transfer pipe 333 connected between the inflow pump 315 and the first bubble generator 334 connected to the inlet pump 315 and the pipe connected to the dehydrator 500 using the dynamic pressure generated by the flow of the fluid. The dehydrator 500 is configured to generate an air suction force required for decompression.

In addition, since at least one bubble generator 334 is installed along the installation direction of the transfer pipe 333 , the bubbles formed through the bubble generator 334 into agricultural water W transferred through the transfer pipe 333 . It is configured to be introduced.

To describe this configuration in more detail, the bubble generating device 330 is configured together with an air compressor capable of delivering compressed air to the transport pipe 333 , and thus the agricultural water (W) transferred along the transport pipe 333 . ) is configured to include compressed air delivered to the compressed air.

In addition, as shown in FIGS. 2 to 6, the transfer pipe 333 is installed in a repetitive zigzag form while forming a vertical direction to the bubble generator 334, so that the compressed air inlet ( 332), the compressed air supplied to the agricultural water (W) is mixed with the suspended material mixed with the chemical to form a scum (S4) including fine bubbles, and when introduced into the flotation tank 340, a low pressure state is configured to maintain

That is, when the microbubbles B formed through the bubble generator 334 are transported along the transport pipe 333, the pressure applied to the transport pipe 333 through the bubble generator 334 is higher than the pressure. The pressure of the microbubbles (B) flowing into the flotation tank 340 is reduced, so that the scum (S4) is fed to the inside of the flotation tank 340 through the microbubbles (B) of the agricultural water (W). It will be possible to easily float to the upper part.

Meanwhile, in the above description, the compressed bubbles are introduced into the agricultural water (W) transferred from the inside of the transfer pipe 333 through the bubble generator 334 installed in the transfer pipe 333 . A plurality of bubble generating devices 334 are installed in the transfer pipe 333 so that fine bubbles repeating high and low compression are introduced into the agricultural water (W) transferred along the transfer pipe 333 through the microbubbles. It is possible to facilitate the removal process of the scum (S4).

In the above process, that is, the fine bubbles (B) generated through the bubble generating device 330 are introduced into the agricultural water (W) transferred along the transfer pipe 333, and the scum contained in the agricultural water (W) ( By being combined with S4) or located between the scums (S4), the scum (S4) flowing into the flotation tank 340 is easily floated to the top of the agricultural water (W) through the microbubbles (B), so that the operator can It is possible to easily achieve the removal of the scum (S4).

In addition, the decomposition and flotation device 300 is connected to the transfer pipe 333 and has a storage space 341 for accommodating agricultural water W on the inside, and a scum outlet 344 and a treated water outlet on the inner side. A box-shaped floating tank 340 in which 343 is formed, and a spacer plate 342 provided inside the floating tank 340 to separate the storage space 341 and the scum outlet 344, and the floating A solids remover 350 installed on the side of the tank 340 to filter the scum (S4) floating to the top and guide it to the scum outlet 344, the scum (S4) and the separated agricultural water (W) will be discharged It is configured to include a water outlet (343).

The flotation tank 340 is configured such that a storage space 341 is formed so that agricultural water (W) supplied with bubbles (B) is introduced to the inside, and a scum outlet 344 and a treated water outlet 343 are formed on the upper side. When is formed and the agricultural water (W) into which the microbubbles (B) are injected through the transfer pipe 333 is introduced into the flotation tank 340, it is mixed with the microbubbles (B) and the agricultural water (W) The scum (S4) floating to the top is removed through the configuration of the fixture remover 350, and the scum (S4) floating to the top of the agricultural water (W) is discharged to the scum outlet 344, and the scum (S4) ) from which the agricultural water (W) has been removed is discharged to the treated water outlet (343).

In addition, the separation plate 342 is installed inside the floating tank 340 to separate the scum outlet 344 and the treated water outlet 343, preferably a fixture remover to be described in detail below. In the process of separating the scum (S4) of the agricultural water (W) accommodated inside the flotation tank 340 through 350, it is preferable that the separation process of the scum (S4) is not inhibited.

In addition, as shown in FIGS. 2 to 6, the solids remover 350 includes a plurality of rotating rollers 351 installed in the longitudinal direction on the upper inner side of the floating tank 340, and the rotating roller 351 and A plurality of conveying rollers 352 installed in the longitudinal direction on the upper inner side of the flotation tank 340 to face each other, and a plurality of fixing bars 353 installed to connect the rotating roller 351 and the conveying roller 352 and , a transfer belt 355 installed to surround the rotary roller 351 and the transfer roller 352, respectively, and the floating tank 340 to be connected to any one of the rotary rollers 351 among the rotary rollers 351 The motor 354 installed on the upper side of the motor 354 is installed to connect the transfer belt 355 installed on the rotary roller 351 and the transfer roller 352 in the installation direction of the fixed bar 353, and the motor 354 In accordance with the operation of the transfer belt 355 is moved in the installation direction to filter the scum (S4) inside the floating tank 340, and is configured to include a removal plate 345 for guiding to the scum outlet 344.

The rotary roller 351 and the conveying roller 352 are installed to face each other so as to be rotatable on the upper side of the floating tank 340, as shown in FIGS. 2 to 6, and correspond to each other through the fixed bar 353 It is configured to be connected to achieve rotation.

In addition, as shown in FIG. 2 , the transfer belt 355 connects a plurality of installed rotary rollers 351 in the installation direction, and connects the transfer rollers 352 in the installation direction, respectively.

According to the operation of the motor 354 installed on the rotating roller 351 through this configuration, when the rotating roller 351 installed in the floating tank 340 is rotated, the conveying roller to correspond to the rotating roller 351 352 is rotated, and accordingly, the conveying belts 355 installed on the rotary roller 351 and the conveying roller 352 respectively move in the corresponding directions.

In addition, according to the movement of the transfer belt 355, the removal plate 345 installed on the transfer belt 355 moves, and fine bubbles (B) to the upper portion of the agricultural water (W) accommodated in the floating tank 340 . It will be possible to push the scum (S4) floating together with the direction of the scum outlet (344).

And the inside of the flotation tank 340 is not shown in detail in the present invention, but as shown in FIG. 1 , foreign substances D of the primary treated water S1 that are installed and introduced on one side of the decomposition flotation device 300 are removed. Agricultural water (W) from which foreign substances (D) have been removed by passing through the membrane filtration device 400 installed inside is configured to be able to finally process the fine remaining suspended matter.

As described above, the membrane filtration device 400 is preferably installed on the rear side of the flotation tank 340, and removes the residual fine foreign substances (D) of the treated water (S3) discharged from the rear side of the flotation tank 340. It is removed and re-supplied to the agricultural waterway (1), and the washing water (S5) accommodated inside is separately discharged to the outside, thereby further enhancing the water quality improvement effect of the agricultural water (W).

In addition, as shown in FIG. 1, the dehydrator is installed to be connected to the sedimentation concentrator 200, the decomposition flotation apparatus 300, and the membrane filtration apparatus 400, and through this configuration, the sedimentation concentrator 200 Contaminants (S2) flowing in from the, scum (S4) flowing in from the decomposition flotation device 300, and washing water (S5) flowing in from the membrane filtration device 400 are introduced to the inside to remove moisture, The removed dry sludge (S7) is discharged to the outside, and the dehydration filtrate (S6) generated in the dehydration process is re-supplied to the sedimentation concentrator 200 .

For this purpose, the dehydrator 500 is installed to be connected to the sedimentation concentrator 200, the decomposition flotation apparatus 300, and the membrane filtration apparatus 400 as shown in FIG. An air outlet 511, a dewatering filtrate discharge nozzle 515, and a sludge discharge hole 513 are formed to make a It is configured to include a sludge screw conveyor 520 installed on the upper side of the sludge screw conveyor 520 and a screw motor 530 connected to the end of the sludge screw conveyor 520 and operated through rotation of the sludge screw conveyor 520 .

According to the above configuration, the contaminants (S2) flowing in from the sedimentation concentrating device 200, the scum (S4) flowing in from the decomposition flotation device 300, and the washing water flowing in from the membrane filtration device 400 (S5) Contaminants (S2) introduced from the precipitation concentrating device 200 through the inflow of dry air by internal decompression, and scum (S4) flowing from the decomposition and flotation device 300, and a membrane filtration device 400 After the washing water (S5) flowing in from the inside is dried through the process of drying the solids flowing in from the inside, the dried sludge (S7) from which moisture has been removed is discharged to the outside, and the dehydrated filtrate (S6) is the precipitation concentrating device (200). ) to easily discharge and collect contaminants such as contaminants (S2), scum (S4), and washing water (S5) generated during work to improve the water quality of agricultural water (W). Thus, unnecessary secondary pollution is prevented in the process of improving the water quality of agricultural water (W).

Although the present invention has been shown and described with reference to specific embodiments, it is recognized in the art that various improvements and modifications may be made to the present invention without departing from the spirit or scope of the present invention as provided by the following claims. It will be apparent to those of ordinary skill in the art.

1: agricultural waterway 100: support
200: sedimentation concentrator 210: inlet
220: accommodation space 230: fixed forced turning machine
240: treated water outlet 250: contaminant outlet
300: disassembly flotation device
310: flow control tank 311: filter plate
312: agitator 313: chemical reaction tank
314: chemical injector 315: inlet pump
320: air intake 321: ejector
330: bubble generating device 331: bubble generating device cover
332: compressed air intake 333: transfer pipe
334: bubble generator 340: floating tank
341: storage space 342: separation plate
343: treated water outlet 344: scum outlet
345: removal plate 350: solids remover
351: rotary roller 352: feed roller
353: fixed bar 354: motor
355: transfer belt 400: membrane filtration device
500: dehydrator 510: dehydration liquid storage tank
511: air outlet 512: drain nozzle
513: sludge discharge hole 514: inlet
515: dewatering filtrate discharge nozzle 520: sludge screw conveyor
530: screw motor
S1: Primary treated water S2: Contaminants
S3: Secondary treatment water S4: Scum
S5: Washing water S6: Dehydrated filtrate
S7: Dry sludge

Claims (10)

A support 100 installed on the upper part of the agricultural waterway 1, and
It is installed on the upper part of the support 100 to introduce agricultural water (W) into the agricultural waterway, and primary treated water (S1) from which impurities (S2) and impurities (S2) of the introduced agricultural water (W) are removed (S1) A sedimentation concentrating device 200 for discharging to the outside, and
The precipitation concentrator 200 is connected and installed through a pipe, and microbubbles (B) are supplied to the primary treated water (S1) flowing in through the provided chemical reaction tank 313, and the microbubbles (B) are supplied. A decomposition flotation device 300 for discharging to the outside the scum (S4) generated through the scum (S4) and the secondary treated water (S3) from which the scum (S4) has been removed;
It is installed on one side of the decomposition flotation device 300 and removes the foreign material (D) of the incoming secondary treated water (S3), and re-supplying the agricultural water (W) from which the foreign material (D) is removed to the agricultural waterway (1), , a membrane filtration device 400 for discharging the washing water (S5) accommodated in the inside to the outside;
The sedimentation concentrator 200, the decomposition flotation device 300, and the contaminants (S2) introduced from the sedimentation concentrator 200, which are installed to be connected to the membrane filtration device 400, and the decomposition flotation device 300. The scum (S4) and the washing water (S5) flowing in from the membrane filtration device 400 are introduced to the inside to remove moisture, and the dried sludge (S7) from which the moisture has been removed is discharged to the outside, and dehydration generated during the dehydration process The filtrate (S6) is an energy-saving agricultural water quality improvement device, characterized in that it comprises a dehydrator (500) that is supplied again to the sedimentation concentrator (200).
The method of claim 1,
The precipitation concentrating device 200 is
It is installed on the upper part of the support 100, the receiving space 220 is formed inside, and an inlet 210 through which agricultural water (W) is introduced is provided on one side,
A high-speed forced swirler 230 installed inside the sedimentation concentrator 200, and
The outlet (240) installed on the upper part of the sedimentation concentrator (200)
Energy-saving agricultural water quality improvement device, characterized in that it comprises a contaminant discharge port (250) installed on the lower side of the sedimentation concentrator (200).
The method of claim 1,
The decomposition levitation device 300 is
A flow control tank 310 installed on the upper side of the support 100, and
A filter plate 311 for filtering residual coarse contaminants in the flow rate adjustment tank 310, and
A chemical reaction tank 313 and a chemical injector 314 installed on the upper side of the support 100,
a bubble generating device 330 fixedly installed on the upper side of the support 100;
a transfer pipe 333 installed to be connected through the bubble generating device 330 and the inlet pump 315;
At least one bubble generator 334 installed in the installation direction of the transfer pipe 333 to supply fine bubbles (B) to the transfer pipe 333;
Energy-saving agricultural water quality improvement apparatus, characterized in that it comprises a compressed air inlet (332) installed in the bubble generator (334) so as to be connected to the transfer pipe (333).
4. The method of claim 3,
The bubble generator 334 is an energy-saving agricultural water quality improvement device, characterized in that it is composed of an air compressor.
4. The method of claim 3,
When the microbubbles (B) formed through the bubble generator 334 are transferred along the transfer pipe 333,
The compressed air flowing in through the compressed air inlet 332 is introduced into the decomposition flotation device 300, and fine bubbles (B) formed through the multi-stage bubble generator 334 are included in the scum (S4) and , It is characterized in that it is formed lower than the pressure of the compressed air flowing into the first bubble generator 334 while moving to the bubble generator 334 at the rear stage, so that the specific gravity of the scum (S4) containing fine bubbles is lowered and floated. An energy-saving agricultural water quality improvement device that increases the separation efficiency of scum in the tank 340.
4. The method of claim 3,
Energy-saving agricultural water quality improvement device that increases drying efficiency by sucking the decompression air required for the dehydrator 500 by using the dynamic pressure formed from the ejector 321 through the compressed air inlet 332 .
4. The method of claim 3,
When the microbubbles (B) formed through the bubble generator 334 are transferred along the transfer pipe 333,
Energy-saving agricultural water quality improvement apparatus, characterized in that the low pressure and high pressure are repeatedly formed and transferred through the provided at least one bubble generator (334) configuration.
4. The method of claim 3,
The decomposition levitation device 300 is
It is connected to the transfer pipe 333 and has a storage space 341 for accommodating agricultural water (W) on the inside, and a box-shaped floating tank in which a scum outlet 344 and a treated water outlet 343 are formed on the side ( 340) and
a spacer plate 342 provided inside the floating tank 340 to separate the storage space 341 and the scum outlet 344;
Energy-saving agricultural water quality improvement device, which is installed on the upper side of the flotation tank 340 and includes a solids remover 350 that filters the scum (S4) floating to the top and guides it to the scum outlet 344 .
9. The method of claim 8,
The solids remover 350 is
A plurality of rotary rollers 351 installed in the longitudinal direction on the upper inner side of the flotation tank 340,
A plurality of conveying rollers 352 installed in the longitudinal direction on the upper inner side of the floating tank 340 to face the rotary roller 351,
A plurality of fixing bars 353 installed to connect the rotary roller 351 and the transfer roller 352,
a transfer belt 355 installed to surround the rotary roller 351 and the transfer roller 352, respectively;
a motor 354 installed on the upper side of the floating tank 340 so as to be connected to any one of the rotary rollers 351 among the rotary rollers 351;
The transfer belt 355 installed on the rotary roller 351 and the transfer roller 352 is installed to be connected in the installation direction of the fixed bar 353 , and the transfer belt 355 is installed according to the operation of the motor 354 . Energy-saving agricultural water quality improvement apparatus, characterized in that it includes a removal plate 345 that moves in the direction to filter the scum (S4) inside the flotation tank 340 and guide it to the scum outlet 344.
The method of claim 1,
The dehydrator 500 is
The sedimentation concentrating device 200, the decomposition flotation device 300, and the membrane filtration device 400 are installed to be connected, and an air outlet 511, a drain nozzle 512, and a sludge discharge hole 513 are formed on the front side, A dehydration liquid storage tank 510 having an inlet 514 formed on the upper surface thereof, and
A sludge screw conveyor 520 installed on the upper side of the dewatering liquid storage tank 510, and
Energy-saving agricultural water quality improvement apparatus, characterized in that it comprises a screw motor (530) connected to the end of the sludge screw conveyor (520) operated through the rotation of the sludge screw conveyor (520).

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