KR101789790B1 - Floating body having structure to easily replace membrane for preventing algal and system including the same - Google Patents

Abstract

The present invention relates to a fuel cell system including a hollow floating body, a first layer structure provided at a lower end of the floating body and inserted with a water permeable membrane, a second layer structure provided at a lower end of the floating body, And a lifting means for raising the lifting body.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a float for preventing harmful birds and a float system including the float,

The present invention relates to a system for preventing harmful birds, which is combined with a filter press for removing marine harmful bird algae and harmful algae. More specifically, the present invention relates to a harmful algae disaster prevention system having a structure for easily replacing a marine membrane and / And a float system comprising the same.

Generally, a pontoon is installed for use as a footbridge, which is a walkway on a ship's mooring ground, a boundary wall of a water-based leisure facility, a farm or a fishing ground, or a buoyant body for building a house, various kinds of business places, . In this way, the pontoon is expected to be used for coastal water development such as coastal space utilization due to urban expansion, coastal development, expansion of book berthing facilities due to increase in marine cargo volume, Demand for pontoons has increased dramatically due to the increase in facilities and corporate farms.

On the other hand, when harmful algae occur in the pontoons, there is a great influence on the growth and survival of aquatic organisms. In particular, the damage is greater in places such as for-profit farms. Therefore, there is a need for a system that minimizes damage from harmful birds in the existing growth environment of aquatic organisms.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a float for preventing harmful birds and a float system including the same, which are intended to prevent contamination from harmful algae such as red tide and green tide and to reduce damage caused thereby.

According to an aspect of the present invention, there is provided a method of manufacturing a floating body including a hollow floating body, a first layer structure provided at a lower end of the floating body and inserted with a water permeable membrane, A float for the prevention of harmful birds including a two-layer structure is provided.

According to one embodiment, it is possible to further include lifting means for lifting the permeable membrane or the aeration membrane.

According to one embodiment, the lifting means includes at least one rail disposed in a horizontal direction, a movable fixed sheave movable along the rail, and a rod support for supporting the at least one rail in the air in the upper portion of the floating body can do.

According to one embodiment, the rod support may be movably coupled along a vertical steel member included in the second layer structure.

According to one embodiment, the rail is an H-shaped steel, the movable fixed sheave comprising at least one wheel, the wheel being rotatably engaged, the rotation of the wheel spanning the flange of the H- A body to be moved along and a ring fixedly coupled to the body.

According to one embodiment, it may further comprise a moving sheave which is fastened to the permeable membrane or the aquifer on a wire connected to the movable fixed sheave.

The present invention also relates to a harmful bird algae disaster prevention part comprising a filter press for filtering the harmful bird algae disperse fluid and a concentrated harmful alga between the first layer structure and the second layer structure and discharging the filtered seawater, Fluid system.

According to the present invention, harmful alga occurring in a marine or fresh water environment can be prevented from entering the inside of the float by the secondary layer structure.

In addition, replacement of the permeable membrane or the receiving membrane inserted in the secondary layer structure can be facilitated.

Further, it is possible to eliminate the underwater operation required when lifting the water permeable membrane or the water receiving membrane installed in the water.

1 is a front view of a float according to an embodiment of the present invention.
2 is a top view of a float according to an embodiment of the present invention.
3 is a partial enlarged view of the lifting means according to an embodiment of the present invention.
4 is a schematic view of a permeable membrane according to an embodiment of the present invention.
FIG. 5 is a schematic view of a catchment film according to an embodiment of the present invention. FIG.
6 is a conceptual diagram of a harmful bird disaster prevention process by first and second layer structures according to an embodiment of the present invention.
7 is a schematic diagram of a filter press system according to an embodiment of the present invention.
8 is a view for explaining the principle of operation of a filter press according to an embodiment of the present invention.
9 is a photograph of a membrane membrane according to an embodiment of the present invention.
10 is a photograph of a membrane membrane after a filter press according to an embodiment of the present invention is used.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms.

The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In this specification, the terms "comprises" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Float

FIG. 1 is a front view of a float 100 for preventing harmful birds according to an embodiment of the present invention, and FIG. 2 is a plan view of a float according to an embodiment of the present invention.

1 and 2, the float 100 for preventing harmful birds according to an embodiment of the present invention includes a hollow floating body 110, a first layer structure 120, and a second layer structure And a donor means 140 for lifting the permeable membrane 121 included in the first layer structure 120 or the aquatic membrane 131 included in the second layer structure 130 .

However, it is needless to say that the components shown in Figs. 1 and 2 are not essential, so that a floating body for preventing harmful birds having more or fewer components can be realized.

Hereinafter, each component will be described.

The floating body 110 is for forming a floating force to float the float 100 according to an embodiment of the present invention. For example, the floating body 110 may be made of a polyethylene material having a cavity therein, (HDPE) material in terms of maintenance of the high-density polyethylene (HDPE) material, but its material and shape are not particularly limited.

In order to impart structural stability to the floating body 110 having the floating force, it is preferable to fix the steel frame member to the outside as shown in Fig.

Another example of the material of the floating body 110 may be a composite of concrete and expanded polystyrene (EPS). In this case, it is desirable that the concrete is designed so as to be at least 35 MPa considering the effects of flexural tensile and fatigue load due to waves and algae, and to protect the inner foam polystyrene (EPS) from damage.

Meanwhile, as shown in FIGS. 1 and 2, the floating body 110 may be hollow having a center portion penetrated to form a farm F therein.

The first layer structure 120 may be installed at the lower end of the floating body 110 and may be inserted with the water permeable membrane 121 and the second layer structure 130 may be installed at the lower end of the floating body 110, (131) can be inserted. That is, the second layer structure 130 and the first layer structure 120 may surround the hollow portion of the floating body 110 in order.

At this time, the first layer structure 120 may include the permeable membrane 121, and the second layer structure 130 may include the permeable membrane 131. At this time, the permeability of the permeable membrane 121 may vary depending on the type of the membrane 131 ). ≪ / RTI > The water permeable membrane 121 and the water receiving membrane 131 may include a ceramic porous body having a specific gravity of 0.1 to 1.5, preferably a specific gravity of 1.2 to 1.4, more preferably a specific gravity of 1.3.

For example, a spherical ceramic porous body having a specific gravity of 1.3 and a water absorption of 10% and having a diameter of 10 to 13.5 mm can be introduced into a thin rectangular parallelepiped plate-like cage as shown in Figs. Here, the cage for containing the ceramic porous body may be made of galvanized steel having a density of 7.14.

At this time, the thickness of the water permeable membrane 121 may be made thinner than the thickness of the water receiving membrane 131 so that the permeability of the water permeable membrane 121 and the water receiving membrane 131 are different. For example, the thickness of the water permeable membrane 121 including the ceramic porous body may be 4.5 cm, and the thickness of the water receiving membrane 131 may be 8 cm. 5, the size of the ceramic porous body included in the water permeable membrane 121 can be made larger than the size of the ceramic porous body included in the aqueduct 131. As shown in FIG.

The difference in permeability between the permeable membrane 121 and the aquifer membrane 131 causes a retention time of the harmful alga contained in the seawater flowing into the seawater retention structure 120 to concentrate the harmful algae in the artificial barrier 100 And the harmful algae outside the first layer structure 120 can be prevented from flowing into the farm F inside the second layer structure 130 by the permeable membrane 121 and the aquifer 131.

6, the seawater containing harmful algae is sequentially filtered through the permeable membrane 121 including the ceramic porous body and the aqueduct 131 to filter and remove the harmful algae, Only the purified seawater is supplied to the inside farm (F).

At least one of the permeable membrane 121 and the aquifer membrane 131 may be fixed to the first and second layer structures 120 and 130 by various known methods or in various positions. However, according to one embodiment, Each of the first layer structure 120 and the second layer structure 130 may include a plurality of H-shaped sections fixed in the vertical direction, and the permeable membrane 121 may include a pair of the first layer structures 120 The second layer structure 130 may be interposed between the flanges of the H-shaped steel of the second layer structure 130, and the aqua regia 131 may be interposed between the flanges of the pair of H-shaped steel of the second layer structure 130.

That is, the permeable membrane 121 or the aquifer membrane 131 is guided and slidably engaged with the flanges of the pair of H-shaped cores, thereby facilitating installation and replacement of the permeable membrane 121 or the aquarium membrane 131 .

If the surface of the permeable membrane 121 or the permeable membrane 131 is exposed to seawater for a predetermined period of time, bio-fouling may occur due to attachment of the microorganisms, and the permeable membrane 121 and the aft membrane It is preferable that at least one surface of at least one of the water permeable membrane 121 and the water receiving membrane 131, that is, the outer surface of the water permeable membrane 121, An anti-fouling coating 121a may be applied.

According to an embodiment of the present invention, the apparatus may further include lifting means (140) for lifting the water permeable membrane (121) or the water receiving membrane (131) installed in the water.

That is, the water permeable membrane 121 and the water receiving membrane 131 installed in the water are subject to fouling due to seafood, seaweed, etc. during operation. This fouling has a problem in that the pores of the permeable membrane 121 or the awnic membrane 131 are closed to remarkably lower the functions of the permeable membrane 121 and the awnic membrane 131.

It is therefore necessary to replace the permeable membrane 121 and the aquatic membrane 131. However, since the permeable membrane 121 and the aquatic membrane 131 are installed in water, it is not easy to install or replace the diaphragm without underwater operation.

Therefore, such a problem can be solved by the lifting means 140. [

The lifting means 140 is not particularly limited as long as it is a means for lifting the water permeable membrane 121 or the water receiving membrane 131 installed in the water, but a structure optimized by a limited space such as the float 100 or a limited electric power is required .

3 is a partial enlarged view of the lifting means according to an embodiment of the present invention.

1 and 3, the lifting means 140 includes at least one rail 151a and 151b arranged in the horizontal direction, movable fixed sheaves 161a and 161b movable along the rail, And rod supports 141a and 141b for supporting the at least one rail in the air.

'의 형태를 가질 수 있다.The rod supports 141a and 141b may include at least one, preferably two, horizontal bars 142 and vertical columns 143 that support the horizontal bars 142 in the air. Accordingly, the rod supports 141a and 141b are '

Can be used.

At this time, the vertical column 143 may extend or be fixedly coupled to the steel frame member formed on the outer periphery of the floating body 110, but the vertical steel frame member included in the second layer structure 130 It is preferable that the vertical column 143 is coupled to the vertical structure of the second layer structure 130 so as to be movable along the vertical steel member. That is, the vertical column 143 is movably coupled along the vertical steel member of the second layer structure 130 so that the horizontal bar 142 and the rails 151a and 151b and the movable fixed sheaves 161a and 161b Can also be raised and lowered, thereby improving workability of the operator.

The rails 151a and 151b are fixedly coupled to the horizontal bar 142 and / or the vertical column 143 so that the movable fixed sheaves 161a and 161b can be moved along the rails 151a and 151b . At this time, the number of the rails 151a and 151b fixedly coupled to the one rod supports 141a and 141b is not particularly limited, but preferably two.

According to one embodiment, the rails 151a and 151b may be H-shaped, as shown in FIG. 3, and the movable fixed sheaves 161a and 161b may be engaged to engage the flange of the H-shaped steel. Specifically, the movable fixed pulleys 161a and 161b include at least one wheel 163 rotating on the flange of the H-shaped steel, wheels 163 coupled to the H- A body 162 that is moved along the rails 151a and 151b by rotation of the body 162 and a ring 164 fixedly coupled to the body 162. [

At least one movable fixed sheave 161a and 161b may be provided on one rail 151a and 151b, but preferably two movable fixed sheaves are provided. Accordingly, the movable fixed pulleys can be installed in the rectangular float 100, one on each side, and four in total.

Accordingly, the wire fastened to one end of the water permeable membrane 121 and / or the aqueduct 131 is fitted in the ring 164 of the movable fixed sheaves 161a and 161b, and by the tensile force applied to the wire The permeable membrane 121 and / or the aquifer membrane 131 can be raised and lowered, thereby facilitating the replacement of the permeable membrane 121 and / or the aquifers membrane 131.

It is preferable to further include a blocking block 165 so that the movable fixed sheaves 161a and 161b are not separated from at least one end of the rails 151a and 151b which are movement paths of the movable fixed sheaves 161a and 161b .

According to an embodiment of the present invention, a moving pulley (not shown) may be mounted on a wire connecting the ring 164 and the water permeable membrane 121 and / As shown in FIG. That is, the moving pulley is positioned on the wire connected to the movable fixed sheaves 161a and 161b, and the water permeable membrane 121 and / or the water receiving membrane 131 are fastened to the shaft of the movable pulley, The water permeable membrane 121 and / or the water receiving membrane 131 can be moved up and down.

The seawater containing harmful algae outside the float 100 is filtered and purified by the permeable membrane 121 included in the first layer structure 120 and the aquarium membrane 131 included in the second layer structure 130. [ And the seawater retention between the first layer structure 120 and the second layer structure 130 is introduced into the filtration apparatus such as a filter press , And the purified seawater can be introduced into the farm (F). Accordingly, the aquaculture F inside the float 100 is shielded from harmful algae, so that aquatic organisms growing inside the underwater farm F can be protected by the harmful algae.

However, there is a need for replacement by the fouling phenomenon caused by long-term use of the water permeable membrane 121 and the awnership film 131, and such necessity can be easily satisfied by the lifting means 140. [

Float  system

On the other hand, the present invention provides a float system for the prevention of harmful birds including the above-described float 100 for preventing harmful birds and a filter press system.

At this time, the filter press system is not particularly limited, but may be disposed on the float 100, or may be mounted on a float (for example, a vessel, etc.) separate from the float 100. Such a filter press system may filter retentate seawater between the first layer structure 120 and the second layer structure 130 to discharge the purified seawater to the farm F. [

7 is a schematic diagram of a filter press system according to an embodiment of the present invention.

7, the filter press system according to an embodiment of the present invention may further include a pump 220 and a generator (not shown) in addition to the filter press 210.

The generator is a device that converts the mechanical power into electric power or electric energy, and the filter press 210 and / or the pump 220 are driven by the electric power generated by the generator.

The pump 220 is a device for transporting a fluid by using a pressure action. The pump 220 forms seawater in a space formed between the first layer structure 120 and the second layer structure 130 by the formed suction force, The water supply pipes 140 to 160 and the vertical pipes 141 to 146).

The pump 220 may be, for example, an air diaphragm pump, to draw seawater up to the membrane membrane to separate the harmful algae and the filtered seawater.

The seawater drawn by the pump 220 is supplied to the filter press 210 via the connection pipe 221 and the filter press 210 filters the introduced seawater to remove the hollow portion of the float 100, , And the farm (F).

8 is a view for explaining the principle of operation of a filter press according to an embodiment of the present invention. 8 (a) shows a state in which the filter plate 214 is a closed plate, and FIG. 8 (b) shows a state in which the filter plate 214 is opened.

The filter press 210 includes a front frame 211 and a rear frame 212 located on the front and rear sides respectively and fixed to the front frame 211 and the rear frame 212 at opposite ends thereof, And a plurality of filter plates 214 can be supported on the side rails 213 so as to be opened and closed. A movable head 215 may be installed between the rear frame 212 and the filter plate 214 and a locking cylinder 216 may be provided on the rear frame 212 to be connected to the movable head 215. Accordingly, the movable head 215 and the respective filter plates 214 can be opened and closed at the same time by a connection link (not shown).

Therefore, by tightening the clamping cylinder 216 to press the movable head 215 toward the front frame 211, the filter plate 214 is closed, and the pump 220 is moved so that harmful birds pass between the filter plates 214, The filtrate can be discharged to the outside through the membrane membrane (not shown) attached to the filter plate 214.

At this time, the solid matter captured in the filter cloth is dehydrated while forming a cake layer, and after completion of dewatering, the tightening cylinder 216 is contracted to move the movable head 215 to the rear frame 212 side.

For example, the membrane plate 214 with a membrane membrane may be plastic, and the membrane membrane may be effectively removed due to the size of the cochlodinium, which is a typical marine harmful algae organism causing red tide, It may have a pore diameter of 1 to 20 mu m, preferably 5 to 15 mu m, more preferably 10 mu m.

As an example, the membrane membrane may have the specifications shown in Table 1 below.

Item Contents Ventilation 0.5cc / cm ² / sec Permeability coefficient 3.0E-3mm / sec material Polypropylene Weaving method twill weave (multi filament yarn)

9 is a photograph of a membrane membrane according to an embodiment of the present invention. Fig. 9 (b) is a photograph of the membrane membrane taken at an magnification of 300 times under an optical microscope. In Fig. 9 (b), a multi filament yarn made of polypropylene, which is thin and flexible, To form a dense membrane membrane structure.

10 is a photograph of a membrane membrane after a filter press according to an embodiment of the present invention is used. 10 (a) is a photograph of the membrane membrane after purifying the seawater in which the red tide harmful current is generated by the filter press system 200 according to the present invention, and FIG. 10 (b) is a photograph of the red membrane foreign matter attached to the membrane membrane by an optical microscope This is a photograph I observed.

After purifying the filter press on the existing white membrane membrane, reddish brown foreign matter adheres. The reddish brown foreign matter adhered to the membrane membrane was observed with an optical microscope. As a result, the foreign matter was observed as a cochlearnidium belonging to the parasitoid algae which produces red tides in the ocean. Cochlearnidium generally forms a colony of about 4 to 16, as in photographs, rather than a single individual. It usually floats on the surface of the sea in the morning and forms a colony. It precipitates after 4:00 pm and disperses when it is abundant in sunshine. The parasitoids are interspersed among the gill tissues of the fish and stimulate a large amount of mucous secretion. If this phenomenon continues, secretion of mucus is exhausted, causing gill tissue to break down, ultimately making oxygen exchange impossible and causing fish mortality. In the present invention, it was confirmed that the harmful marine algae to be removed were purified through a membrane membrane with caoclodinium and filtered.

The preferred embodiments of the present invention have been described in detail with reference to the drawings. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Accordingly, the scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning, range, and equivalence of the claims are included in the scope of the present invention Should be interpreted.

100: float 110: floating body
111a, 111b: float unit unit 115: through hole
120: first layer structure 121: permeable membrane
130: second layer structure 131:
140: lifting means 141a, 141b:
142: horizontal bar 143: vertical column
151a, 151b: rails 161a, 161b: movable fixed pulley
162: body 163: wheel
164: collar 210: filter press
220: Pump F: The farm

Claims (7)

delete delete delete A hollow floating body;
A first layer structure installed at the lower end of the floating body and inserted with a water permeable membrane; And
A second layer structure provided at the lower end of the inner body of the floating body to insert a trap film;
Wherein the anti-flammable float for flood prevention comprises:
Wherein the hollow portion of the floating body has a structure in which a second layer structure and a first layer structure are sequentially surrounded,
A lifting means for lifting the permeable membrane or the aeration membrane;
Further comprising:
Wherein the lifting means comprises:
At least one rail disposed in a horizontal direction;
A movable fixed sheave movable along the rails; And
A rod support for supporting the at least one rail in the air above the floating body;
Lt; / RTI >
The rod support includes:
Wherein the second layer structure is movably coupled along a vertical steel member included in the second layer structure. 5. The method of claim 4,
The rail is an H-shaped steel,
The movable type fixed sheave,
At least one wheel;
A body rotatably coupled to the wheel, the body being moved along the rail by rotation of the wheel over a flange of the H-shaped steel; And
A ring fixedly coupled to the body;
Wherein the float for harmful algae disaster prevention comprises: 5. The method of claim 4,
A moving sheave which is fastened to the permeable membrane or the aquatic membrane on a wire connected to a movable fixed sheave;
Further comprising: a flow path for the harmful bird. A float for the prevention of harmful birds according to any one of claims 4 to 6; And
A filter press for filtering concentrated harmful algae between the first layer structure and the second layer structure and discharging the filtered seawater;
And a control unit for controlling the control unit.

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