KR102331173B1 - Particulate matter of high concentration reduction system and operation method thereof - Google Patents

Abstract

A system for reducing high-concentration particulate matter according to an embodiment of the present application includes a liquid manure storage device in which liquid manure is stored, a flotation separation device for flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state, and a plurality of the first additional manure Filtering through the micro filters of, and a filtering device to provide a second supplement.

Description

High-concentration particulate matter reduction system and method of operation {PARTICULATE MATTER OF HIGH CONCENTRATION REDUCTION SYSTEM AND OPERATION METHOD THEREOF

The present application relates to a system for reducing high-concentration particulate matter, and more particularly, to a system for reducing high-concentration particulate matter in which a flotation separation method and a filtering method are fused, and an operating method thereof.

Livestock manure contains high concentrations of organic matter (>20,000mg COD/L), nitrogen (>3,000mg TN/L), and phosphorus (>200mg TP/L). It is one of the wastewater requiring enormous cost and energy.

In general, 88.7% of livestock manure is mostly used as a resource by composting and composting, and liquid manure is bioreacted for at least 30 to 60 to 70 days for complete ripening. After that, it is sprayed or transferred to a liquid fertilizer storage tank to stay, and then is sprayed on the soil as an alternative fertilizer.

Therefore, in most common treatment plants that process 100 tons of livestock manure per day, more than 10,000 tons of liquid manure production and storage space are secured. However, it is not easy to dispose of liquid fertilizer depending on the season, and in particular, in the summer when crops are in arable land, it is not possible to spray, so an alternative storage space is needed or an alternative is needed.

The reason that it is difficult to use the liquid manure produced in this way in summer is that even if livestock manure is decomposed by a biological method for more than 60 days, the produced liquid manure still contains a high concentration of particulate matter (sludge) and there is a fear that pathogenic microorganisms may be included ‹ It is a door.

Accordingly, the present application is to provide a technology that can provide additional fertilizer that will not cause a problem when spraying on farmland by removing particulate matter (sludge) while reducing the effect of pathogenic microorganisms.

An object of the present application is to provide a high-concentration particulate matter reduction system for removing sludge and particulate matter of high concentration from liquid manure and providing it as additional manure, and an operating method thereof.

A system for reducing high-concentration particulate matter according to an embodiment of the present application includes a liquid manure storage device in which liquid manure is stored, a flotation separation device for flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state, and a plurality of the first additional manure Filtering through the micro filters of, and a filtering device to provide a second supplement.

In an embodiment, the floating separation device, by injecting microbubbles into the first additional manure, repeatedly performs the operation of separating the sludge from the first additional manure.

In an embodiment, the plurality of micro-filters have the same size and are connected to each other to be spaced apart from each other at regular intervals.

In an embodiment, the flotation separation device is a bubble injection unit for injecting microbubbles into the liquid fertilizer flowing from the liquid fertilizer storage device and the liquid fertilizer discharged through the bubble injection unit into microbubbles and a first additional fertilizer according to buoyancy. It includes a separation receiving portion to separate.

In an embodiment, the bubble injection unit adjusts the bubble injection time based on the concentration of the buyul material with respect to the liquid fertilizer.

In an embodiment, the separation receiving unit, based on a predetermined height according to the buoyancy, accommodates the microbubble in the upper portion and accommodates the first additional manure in the lower portion.

In an embodiment, a scrapper portion for drawing out the microbubbles to the liquid fertilizer storage device is formed on the upper portion of the separation receiving portion.

In an embodiment, the filtering device includes at least two or more multi-stage filter parts for distributing the first additional fertilizer in parallel to receive the inflow and filtering the second additional fertilizer, and the at least two or more multi-stage filter parts are connected in multiple stages in series. includes filters.

In an embodiment, the liquid fertilizer storage device includes an impeller for rotating and removing the microbubbles discharged from the upper portion of the flotation separation device.

In an embodiment, a liquid manure inflow pump for introducing liquid manure from the liquid manure storage device to the flotation separation device, a liquid manure inlet valve for adjusting the inflow amount of the liquid manure, and the first additional fertilizer from the flotation separation device to the filtering device It includes an additional fertilization inlet pump.

As an operating method of a system for reducing high-concentration particulate matter according to an embodiment of the present application, the liquid manure storage device stores the liquid manure produced through a biological process, the flotation separation device uses microbubbles to convert the liquid manure into a solid state Floating separation into sludge and the first additional manure in a liquid state, and the filtering device filtering the first extra manure through a plurality of micro filters, and providing a second extra manure.

In an embodiment, the step of storing the liquid manure, the control device opens the liquid manure inlet valve, operates the liquid manure inlet pump, and the controller closes the liquid manure inlet valve based on water level information on the liquid manure including the step of making

In an embodiment, in the step of separating the flotation, the control device controls the number of inflows of the first additional fertilizer flowing into the bubble injection unit through the liquid fertilizer inlet pump, based on the concentration information of the particulate matter for the first additional fertilizer. including the steps of

In an embodiment, in the step of providing the second additional fertilizer, the control device adjusts the inflow rate for the second additional fertilizer through the additional fertilizer inflow pump, based on the concentration information of the particulate matter for the second additional fertilizer. includes steps.

In an embodiment, the step of providing the second supplementation comprises the steps of, by the control device, determining whether the filtering device is an obstacle based on the difference in the concentration information of the particulate matter for the first and second supplementation. includes

In an embodiment, the step of determining whether the failure includes, when it is determined that the filtering device is a failure, the control device transmits failure information to the manager terminal, and closes the discharge valve of the discharge tank.

A system for reducing high-concentration particulate matter according to another embodiment of the present application is a liquid manure storage device in which liquid manure is stored, a flotation separation device for flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state, and a plurality of the first extra manure Filtering through the micro filters of a control device for operating the inlet pump, wherein the liquid manure inlet valve is located between the liquid manure storage device and the levitation separation device, the liquid manure inlet pump is located between the liquid manure inlet valve and the levitation separation device, and The scraper is provided in the flotation separation device, the impeller is provided in the liquid manure storage device, and the supplementary fertilizer inlet pump is located between the flotation separation device and the filtering device.

The high-concentration particulate matter reduction system and its operation according to an embodiment of the present application may provide sterilized supplementary fertilizer by removing particulate matter and sludge.

In addition, by making it available as a substitute for additional fertilizer in summer, it is possible to solve the problem of distribution of agricultural land (sending to water supply areas).

1 is a block diagram of a system for reducing high concentration particulate matter according to an embodiment of the present application.
Figure 2 is a diagram specifically showing the operation for the floating separation device of Figure 1.
FIG. 3 is a diagram specifically illustrating an operation of the filtering device of FIG. 1 .
4 is a diagram showing the high concentration particulate matter reduction system of FIG. 1 in more detail.
FIG. 5 is a diagram specifically illustrating an operation of the control device of FIG. 4 .
6A and 6B are exemplary graph screens provided to the manager terminal of FIG. 5 .
7 is an operation process of the high-concentration particulate matter reduction system of FIG. 1 .
8 is an operation process of the control device of FIG.

Specific structural or functional descriptions for the embodiments according to the concept of the present application disclosed in this specification are only exemplified for the purpose of explaining the embodiments according to the concept of the present application, and the embodiments according to the concept of the present application are It may be implemented in various forms and is not limited to the embodiments described herein.

Since the embodiments according to the concept of the present application may have various changes and may have various forms, the embodiments will be illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments according to the concept of the present application to specific disclosed forms, and includes all modifications, equivalents, or substitutes included in the spirit and scope of the present application.

Terms such as first or second may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one element from another element, for example, without departing from the scope of the rights according to the concept of the present application, a first element may be named as a second element, and similarly The second component may also be referred to as the first component.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Other expressions describing the relationship between elements, such as "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present application. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as "comprise" or "have" are intended to designate the existence of an embodied feature, number, step, operation, component, part, or combination thereof, but one or more other features or numbers , it is to be understood that it does not preclude the possibility of the existence or addition of steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

1 is a block diagram of a system 1000 for reducing high concentration particulate matter according to an embodiment of the present application.

Referring to FIG. 1 , the high concentration particulate matter reduction system 1000 may include a liquid fertilizer storage device 100 , a flotation separation device 200 , and a filtering device 300 .

First, the liquid manure storage device 100 may store liquid manure produced through a biological process. Here, the liquid fertilizer is a liquid fertilizer, and may include a high concentration of particulate matter and sludge in a solid state. Hereinafter, for convenience of explanation, in the present application, a material larger than a certain size is defined as sludge, and a solid material having a size smaller than a certain size is defined as a particulate material.

Next, the floating separation device 200 may introduce a predetermined amount of liquid manure from the liquid manure storage device 100 and separate the introduced liquid manure into sludge in a solid state and a first additional manure in a liquid state. Here, the first additional fertilizer may correspond to the liquid fertilizer from which the sludge has been removed.

According to the embodiment, the floating separation device 200 may repeatedly perform an operation of separating the sludge from the first additional manure by injecting microbubbles into the first additional manure.

Next, the filtering device 300 may filter the first additional fertilizer separated through the floating separation device 200 through the plurality of micro filters 310_1 to 310_N to provide the second additional fertilizer. Here, the second additional fertilizer may correspond to the liquid fertilizer from which sludge and high-concentration particulate matter are removed.

Specifically, each of the plurality of micro-filters 310_1 to 310_N may have the same size and may be connected to each other to be spaced apart from each other at regular intervals. For example, each of the plurality of micro filters 310_1 to 310_N may have a size of 10 microns.

According to an embodiment, the plurality of micro-filters 310_1 to 310_N may have a size proportional to a distance spaced apart from the flotation separation device 200 in order to filter the high-concentration particulate matter in an order of decreasing size. For example, when one filter is spaced apart from the flotation separation device 200 more than the other filter, the size of one filter may have a smaller size than that of the other filter.

According to another embodiment, each of the plurality of micro-filters 310_1 to 310_N may have a size that is inversely proportional to a distance spaced apart from the flotation separation device 200 in order to filter the high-concentration particulate matter in an order of increasing size. . For example, when one filter is spaced apart from the flotation separation device 200 more than the other filter, the size of one filter may have a larger size than that of the other filter.

The high-concentration particulate matter reduction system 1000 according to the embodiment of the present application removes sludge and high-concentration particulate matter from liquid manure through the flotation separation device 200 and the filtering device 300, thereby maximally removing foreign substances such as hospital microorganisms Additional expenses may be provided. Furthermore, the high-concentration particulate matter reduction system 1000 according to the embodiment of the present application provides safe supplementation, thereby solving the problem of liquid manure disposal at the livestock manure treatment site in summer and the water shortage problem during drought due to climate change.

FIG. 2 is a diagram specifically showing the operation of the floating separation device 200 of FIG. 1 .

1 and 2 , the floating separation device 200 may include a bubble injection unit 210 and a floating receiving unit 220 .

First, the bubble injection unit 210 may inject microbubbles into the liquid fertilizer flowing from the liquid fertilizer storage device 100 .

According to an embodiment, the bubble injection unit 210 may adjust the bubble injection time based on the concentration of suspended matter with respect to the liquid fertilizer flowing from the liquid fertilizer storage device 100 .

Specifically, the bubble injection unit 210 may further include a concentration detection sensor 211 and a timer 213 . Here, the concentration sensor 211 detects the concentration of suspended matter with respect to the liquid fertilizer flowing from the liquid fertilizer storage device 100 , and the timer 213 may set a time for injecting microbubbles.

For example, when the concentration of suspended matter detected by the concentration sensor 211 exceeds a preset concentration range, the bubble injector 210 may increase the bubble injection time through the timer 213 . In addition, when the concentration of the suspended matter detected by the concentration sensor 211 is less than a preset concentration section, the bubble injector 210 may decrease the bubble injection time through the timer 213 .

Next, the separation receiving unit 220 may perform a floating separation operation of separating the microbubble-injected liquid fertilizer into microbubbles and the first additional fertilizer based on a _{preset height (H REF ) according to buoyancy.} Here, the separation receiving unit 220 performs a flotation separation operation according to at least one of an air-flotation method, a dissolved air-flotation method (DAF), and a vacuum flotation method. can do.

According to an embodiment, the separation receiving unit 220 may accommodate the microbubbles in the upper part 221 and the first additional fertilizer in the lower part 223 based on a _{predetermined height (H REF ) according to the buoyancy force.} Here, the sludge in the solid state is agglomerated and coupled to the microbubbles, and the first additional boiling may correspond to the liquid fertilizer in the liquid state from which the sludge in the solid state is removed.

In addition, the upper part 221 and the lower part 223 of the separation accommodating part 220 may be an integrated water tank. Specifically, the lower portion 223 of the separation receiving unit 220 may be connected to the bubble injection unit 210 at one side and the filtering device 300 at the other side. That is, the bubble injection unit 210 and the filtering device 300 may be formed to receive the first additional fertilizer from the lower portion 223 of the separation receiving unit 220 .

In addition, the upper portion 221 of the separation receiving unit 220 may be connected to the liquid fertilizer storage device (100). That is, the liquid fertilizer storage device 100 may be formed to receive microbubbles and sludge agglomerated to the microbubbles from the upper part 221 of the separation receiving unit 220 .

In this case, a scraper 225 may be formed on the upper portion 221 of the separation receiving unit 220 . Here, the scraper 225 may discharge the microbubbles accommodated in the upper part 221 to the liquid fertilizer storage device 100 based on the _{preset height (H REF ).}

FIG. 3 is a diagram specifically illustrating an operation of the filtering device 300 of FIG. 1 .

1 and 3 , the filtering apparatus 300 may include a plurality of micro filters 310_1 to 310_N.

As shown in FIG. 3 , each of the plurality of micro filters 310_1 to 310_N may be continuously disposed at predetermined distances in the first and second directions. Here, the first direction may be an X-axis direction, and the second direction may be a Y-axis direction. Each of the plurality of micro filters 310_1 to 310_N may be formed to have the same size as 10 microns.

According to an embodiment, the plurality of micro filters 310_1 to 310_N may include at least two or more multi-stage filter units (eg, 311_1 to 311_2).

Specifically, at least two or more multi-stage filter units (eg, 311_1 to 311_3) may receive the first additional fertilizer introduced from the separation receiving unit 220 by dispersing in parallel. In this case, each of the at least two or more multi-stage filter units (eg, 311_1 to 311_3) may filter the first additional fertilization into the second additional fertilization along the filters connected in multiple stages in series.

That is, the plurality of micro-filters 310_1 to 310_N filter by dispersing and filtering the first additional fertilizer flowing from the separation receiving unit 220 in parallel, regardless of the fast inflow speed of the first additional fertilizer, to be filtered by the second additional fertilizer. can

FIG. 4 is a diagram showing the high concentration particulate matter reduction system 1000 of FIG. 1 in more detail.

1 to 4 , the high concentration particulate matter reduction system 1000 includes a liquid manure storage device 100 , a floating separation device 200 , a filtering device 300 , a liquid manure inlet valve 400 , and a liquid manure inlet pump 500 . ), an additional fertilizer inlet pump 600 , a discharge tank 700 and a control device 800 . Duplicate descriptions of the liquid fertilizer storage device 100 , the floating separation device 200 , and the filtering device 300 of the same reference number described in FIGS. 1 to 3 will be omitted.

First, the liquid fertilizer storage device 100 may include an impeller 110 . Here, the impeller 110 may be removed by rotating the microbubbles discharged from the upper portion 221 of the flotation separation device (200).

Next, the floating separation device 200 may be connected to the liquid manure storage device 100 , the liquid manure inlet pump 500 and the additional manure inlet pump 600 through the first to third discharge pipes 201 and 202 .

Specifically, the first discharge pipe 201 may be connected to the liquid fertilizer storage device 100 from the upper portion 221 of the levitation receiving unit (220). In addition, the second discharge pipe 202 may be connected to the liquid fertilizer inlet pump 500 from one side of the lower portion 223 of the floating receiving unit 220 . In addition, the third discharge pipe 203 may be connected to the supplementary fertilizer inlet pump 600 from the other side of the lower portion 223 of the floating accommodation unit 220 .

Next, the liquid manure inlet valve 400 is a valve for controlling the inflow amount of liquid manure flowing from the liquid manure storage device 100 to the flotation separation device 200 through the inlet pipe 410, and the liquid manure storage device 100 and It may be located between the bubble injection units 210 . Here, the inlet pipe 410 may be connected to the lower portion 223 of the floating receiving unit 220 along the bubble injection unit 210 from the liquid fertilizer storage device 100 .

Next, the liquid manure inlet pump 500 is located between the liquid manure inlet valve 400 and the bubble injector 210, and transfers liquid manure from the liquid manure storage device 100 to the bubble injector 210 through the inlet pipe 410. can be imported.

In addition, the liquid manure inlet pump 500 may introduce the first additional manure from the lower portion 223 of the floating receiving unit 220 to the bubble injection unit 210 through the second discharge pipe 202 .

According to an embodiment, the liquid fertilizer inlet valve 400 may further include a flow meter. Specifically, the flowmeter may measure the inflow amount and inflow rate of the liquid manure flowing from the liquid manure storage device 100 , and control the liquid manure inflow pump 500 according to the preset inflow amount and inflow rate. For example, when the inflow amount of the liquid fertilizer flowing from the liquid fertilizer storage device 100 is greater than or equal to a preset value, the flow meter reduces the pumping speed of the liquid fertilizer inlet pump 500, and the inflow amount of the liquid fertilizer flowing from the liquid fertilizer storage device 100 When it is less than this preset value, it is possible to increase the pumping speed of the liquid fertilizer inlet pump 500 .

Next, the additional fertilizer inlet pump 600 may introduce the first additional fertilizer into the filtering device 300 along the third discharge pipe 203 from the lower part 223 of the floating receiving unit 220 .

Next, the discharge tank 700 may be a storage tank for discharging the second additional manure filtered through the filtering device 300 to agricultural land.

In addition, the discharge tank 700 may further include a discharge valve 710 that is opened and closed through the control device (800). According to the embodiment, the discharge tank 700 may be discharged by mixing the second additional fertilizer and water in an arbitrary ratio according to the use.

Next, the control device 800 controls the impeller 110 , the scraper 225 , the liquid manure inlet valve 400 , the liquid manure inlet pump 500 and the additional manure inlet pump 600 to operate according to a preset sequence. can do.

Specifically, the control device 800 may operate the liquid manure inlet pump 500 when opening the liquid manure inlet valve 400 . Then, the control device 800 closes the liquid manure inlet valve 400 and, when operating the scraper 225 and the impeller 110, stops the liquid manure inlet pump 500, and the additional manure inlet pump 600 ) can be operated.

Hereinafter, with reference to FIG. 5 , the control device 800 will be described in more detail.

FIG. 5 is a diagram specifically illustrating the operation of the control device 800 of FIG. 4 , and FIGS. 6A and 6B are exemplary graph screens provided to the manager terminal 10 of FIG. 5 .

Referring to FIG. 5 , the control device 800 responds to an operation signal or a stop signal received from the manager terminal 10 through the network 50 , the liquid fertilizer inlet pump 500 , the scraper 225 , and the impeller ( 110) and at least one of the liquid fertilizer inlet pump 500 may be operated or stopped.

In addition, the control device 800 may obtain information on the concentration of particulate matter for liquid fertilizer, the first additional fertilizer, and the second additional fertilizer through the first to third sensors 810_1 to 810_3 . Here, the first to third sensors 810_1 to 810_3 may be sensors for sensing the concentration of particulate matter included in the liquid. In addition, the control device 800 may obtain the water level information of the liquid fertilizer stored in the liquid fertilizer storage device 100 with the water level sensor 820 .

Specifically, the first sensor 810_1 is provided in the lower portion 223 of the floating receiving unit 220, the second sensor 810_2 is provided in the discharge tank 700, and the third sensor 810_3 is liquid fertilizer storage. It may be provided in the device 100 .

Also, the control device 800 may communicate with the manager terminal 10 through the network 50 . Specifically, the control device 800 may transmit information on the level of liquid manure, liquid manure, and concentration information of particulate matter for the first additional manure and the second extra manure to the manager terminal 10 connected through the network 50 .

As shown in FIGS. 6A and 6B , the control device 800 collects the concentration information of particulate matter for liquid manure, the first extra manure, and the second extra manure, and generates graph screens representing changes in suspended matter, and the network It can be provided to the manager terminal 10 through (50).

In one embodiment, the control device 800 is based on the concentration information of the particulate matter for the first supplementation obtained through the first sensor 810_1, the second accommodated in the lower portion 223 of the levitation receiving unit 220. 1 The liquid manure inflow pump 500 may be controlled so that the number of inflows for introducing additional manure into the bubble injector 210 is adjusted.

Specifically, when the concentration information of the particulate matter for the first additional fertilizer is greater than or equal to the preset concentration value, the number of inflows is increased, and when the concentration information of the particulate matter for the first additional fertilizer is less than the preset concentration value, the liquid fertilizer inflow pump 500 ) can be stopped.

According to another embodiment, the control device 800 is based on the concentration information of the particulate matter for the second additional fertilizer obtained through the second sensor 810_2, the additional fertilizer inlet pump ( 600) can be controlled.

Specifically, when the concentration information of particulate matter for the second additional fertilizer falls within the preset normal range, the control device 800 controls the additional fertilizer inflow pump ( 600) can be controlled. In addition, when the concentration information of particulate matter for the second additional fertilizer is out of a preset normal range, the control device 800 controls the inflow rate for the first additional fertilizer to a minimum value within the preset speed range. can control

In another embodiment, the control device 800 may determine an obstacle to the filtering device 300 based on the difference value of the concentration information of the particulate matter for the first and second supplementation.

Specifically, when the difference in the concentration information of the particulate matter for the first and second supplementation is less than a predetermined value, the control device 800 may determine that the filtering device 300 is an obstacle. In this case, the control device 800 may transmit information notifying the filter replacement to the manager terminal 10 connected through the network 50 . Specifically, when it is determined that the filtering device 300 has a failure, the control device 800 may transmit information notifying the filter replacement to the manager terminal 10 connected through the network 50 .

6 is an operation process of the high concentration particulate matter reduction system 1000 of FIG. 1 .

1 to 6 , in step S110 , the liquid manure storage device 100 may store liquid manure produced through a biological process.

Then, in step S120, the flotation separation device 200 may inject microbubbles into the liquid manure stored in the liquid manure storage device 100, and float the liquid manure into sludge and the first additional manure.

Then, in step S130, the filtering device 300 filters the first additional fertilizer separated by the flotation separation device 200 through the plurality of micro filters 310_1 to 310_N, to provide the second additional fertilizer. .

FIG. 7 is an operation process of the control device 800 of FIG. 4 .

4 and 6 , in step S210 , first, the controller 800 may open the liquid manure inlet valve 400 and sequentially operate the liquid manure inlet pump 500 .

At this time, the flotation separation device 200 may inject microbubbles into the liquid fertilizer stored in the liquid fertilizer storage device 100 and flotation separate the liquid fertilizer into sludge and the first additional fertilizer.

Then, in step S220 , the control device 800 may close the liquid manure inlet valve 400 based on the water level information on the liquid manure sensed through the water level detection sensor 820 .

Then, in step S230, the control device 800, based on the concentration information of the particulate matter for the first supplementation detected through the first sensor unit 810_1, the bubble injection unit ( 210), it is possible to adjust the number of inflow of the first supplementary fertilizer.

At this time, in step S230, the flotation separation device 200 may perform an operation of flotation separation into sludge and the first additional manure by injecting microbubbles into the first additional manure according to the number of inflows of the first additional manure.

Then, in step S240, the control device 800 is based on the concentration information of the particulate matter for the second additional fertilizer sensed through the second sensor unit 810_2, through the additional fertilizer inlet pump 600 to the second additional fertilizer. The inflow rate can be adjusted.

In this case, in step S240, the filtering device 300 filters the first additional fertilizer separated by the floating separation device 200 through a plurality of micro-filters 310_1 to 310_N, to provide the second additional fertilizer. .

Then, in step S250 , the control device 800 may determine whether the filtering device 300 is faulty based on the difference between the first and second concentration information.

Specifically, when the difference between the first and second concentration information is less than a predetermined value, it is determined that the filtering device 300 is an obstacle, and when the difference between the first and second concentration information is greater than or equal to the preset concentration value, It may be determined that the filtering device 300 is normal.

At this time, in step S260, when it is determined that the filtering device 300 is not a failure, the control device 800 transmits normal operation information to the manager terminal 10 connected through the network 50, and at the same time, the discharge tank 700 ) of the discharge valve 710 may be opened.

Then, in step S270 , when it is determined that the filtering device 300 is a failure, the control device 800 transmits the failure information to the manager terminal 10 connected through the network 50 , and at the same time, the The discharge valve 710 may be closed.

Although the present application has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present application should be determined by the technical spirit of the appended claims.

100: liquid fertilizer storage device
200: floating separation device
300: filtering device
1000: high concentration particulate matter reduction system

Claims (17)

Liquid manure storage device in which liquid manure is stored;
a flotation separation device for flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state;
a filtering device for filtering the first additional fertilizer through a plurality of micro filters, and providing a second additional fertilizer; and
It is provided between the liquid manure storage device and the floating separation device, comprising a liquid manure inflow pump for controlling the number of inflow of the first additional manure,
The flotation separation device comprises:
a bubble injection unit for injecting microbubbles into the liquid fertilizer flowing from the liquid fertilizer storage device; and
and a separation receiving unit for separating the liquid manure discharged through the bubble injection unit into the microbubbles and the first additional manure according to buoyancy,
The separation receiving part:
a lower end connected to the bubble injection unit through the liquid manure inlet pump and the other side connected to the filtering device to introduce the first additional fertilizer into the bubble injection unit and the filtering device, respectively; and
and an upper portion disposed on the lower portion and connected to the liquid fertilizer storage device to introduce the microbubbles and the sludge into the liquid fertilizer storage device,
A first sensor for sensing the concentration of the particulate matter contained in the first additional fertilizer is provided in the lower part,
The liquid manure inflow pump increases the number of inflows of the first additional fertilizer when the concentration of the particulate matter is greater than or equal to a preset concentration value, a high concentration particulate matter reduction system.
According to claim 1,
The floating separation device, by injecting the microbubbles into the first additional manure, repeatedly performing the operation of separating the sludge from the first additional manure, high-concentration particulate matter reduction system.
According to claim 1,
The plurality of micro-filters have the same size and are connected to be spaced apart from each other at regular intervals in a system for reducing high-concentration particulate matter. delete According to claim 1,
The bubble injection unit, on the basis of the concentration of suspended matter in the liquid fertilizer, to adjust the bubble injection time, high concentration particulate matter reduction system.
According to claim 1,
The separation receiving unit, based on a predetermined height according to the buoyancy, receiving the microbubbles in the upper portion and receiving the first additional fertilizer in the lower portion, high concentration particulate matter reduction system.
According to claim 1,
A high-concentration particulate matter reduction system in which a scraper part for drawing out the microbubbles to the liquid fertilizer storage device is formed on the upper part.
According to claim 1,
The filtering device includes at least two or more multi-stage filter units for distributing the first additional fertilizer in parallel and receiving the inflow to filter the second additional fertilizer,
The at least two or more multi-stage filter units include a plurality of filters connected in multiple stages in series, the high-concentration particulate matter reduction system.
According to claim 1,
The liquid fertilizer storage device includes an impeller for rotating and removing the microbubbles discharged from the upper portion, the high concentration particulate matter reduction system.
According to claim 1,
a liquid manure inlet valve for regulating the inflow amount of the liquid manure; and
Containing an additional manure inlet pump for introducing the first additional manure from the flotation device to the filtering device, a high concentration particulate matter reduction system.
As a method of operation of a high-concentration particulate matter reduction system,
storing, by the liquid manure storage device, the liquid manure produced through a biological process;
Floating separation device using microbubbles, flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state; and
Filtering the first additional fertilizer through a plurality of micro filters by the filtering device to provide a second additional fertilizer,
The step of separating the flotation is,
introducing, by the flotation device, the microbubbles and the sludge into the liquid manure storage device; and
Operation of a high-concentration particulate matter reduction system, comprising, by a control device, adjusting the number of inflows of the first additional fertilizer flowing into the bubble injection unit through a liquid manure inflow pump based on the concentration information of the particulate matter for the first additional fertilizer Way.
12. The method of claim 11,
The storing of the liquid manure may include, by the control device, opening the liquid manure inlet valve and operating the liquid manure inlet pump; and
Based on the water level information on the liquid manure by the control device, comprising the step of closing the liquid manure inlet valve, the operating method of the high concentration particulate matter reduction system.
delete 12. The method of claim 11,
The step of providing the second additional fertilizer includes, by the control device, adjusting the inflow rate for the second additional fertilizer through an additional fertilizer inlet pump, based on the concentration information of the particulate matter for the second additional fertilizer. A method of operation of a high-concentration particulate matter abatement system.
12. The method of claim 11,
The step of providing the second addition includes the step of determining, by the control device, whether there is an obstacle to the filtering device based on the difference in the concentration information of the particulate matter for the first additional fertilizer and the second additional fertilizer , A method of operation of a high-concentration particulate matter abatement system.
16. The method of claim 15,
The step of determining whether the failure includes, when the filtering device is determined to be a failure, the control device transmits failure information to the manager terminal, and closes the discharge valve of the discharge tank, high concentration particulate matter reduction system how it works. Liquid manure storage device in which liquid manure is stored;
a flotation separation device for flotation separation of the liquid manure into sludge in a solid state and a first additional manure in a liquid state;
a filtering device for filtering the first additional fertilizer through a plurality of micro filters, and providing a second additional fertilizer;
A liquid manure inflow pump that is provided between the liquid manure storage device and the floating separation device, and controls the number of inflows of the first additional manure;
a liquid manure inlet valve provided between the liquid manure storage device and the liquid manure inlet pump; and
and a control device for operating the liquid manure inlet pump when opening the liquid manure inlet valve, closing the liquid manure inlet valve, and operating the supplemental manure inlet pump when operating the scraper and the impeller,
The flotation separation device comprises:
a bubble injection unit for injecting microbubbles into the liquid fertilizer flowing from the liquid fertilizer storage device; and
and a separation receiving unit for separating the liquid manure discharged through the bubble injection unit into the microbubbles and the first additional manure according to buoyancy,
The separation receiving part:
a lower end connected to the bubble injection unit through the liquid manure inlet pump and the other side connected to the filtering device to introduce the first additional fertilizer into the bubble injection unit and the filtering device, respectively; and
and an upper portion disposed on the lower portion and connected to the liquid fertilizer storage device to introduce the microbubbles and the sludge into the liquid fertilizer storage device,
A first sensor for sensing the concentration of the particulate matter contained in the first additional fertilizer is provided in the lower part,
The scraper is provided in the floating separation device,
The impeller is provided in the liquid fertilizer storage device,
The additional fertilizer inlet pump is located between the flotation separation device and the filtering device,
The control device controls the liquid manure inflow pump to increase the number of inflows of the first additional fertilizer when the concentration of the particulate matter is greater than or equal to a preset concentration value, a high concentration particulate matter reduction system.

Images