KR100512045B1 - Tubular membrane filter and cultivation device using thereof - Google Patents

Abstract

The present invention relates to a tubular membrane (Membrane) filter medium and a cultivation apparatus using the same, a porous tube having flexibility and support, a tubular fabric surrounding the outer peripheral surface of the tube, a porous membrane and a porous membrane formed by coating a polymer resin on the outer peripheral surface of the fabric By providing a tubular membrane filter medium and a cultivation apparatus using the same, surrounding the outer circumferential surface and containing a medium that slowly discharges by containing a solution that has permeated the micropores of the porous membrane, it minimizes waste of water and always diffuses the material at a constant rate through the pores By using the characteristics of the membrane to make it has the feature that can always supply the water and nutrients needed by the plant at a constant rate. By using this technology, it is possible to efficiently grow decorative, ornamental and large-scale cultivation, as well as cultivate crops, flowers and grasses even in places where water supply is not smooth.

Description

TUBULAR MEMBRANE FILTER AND CULTIVATION DEVICE USING THEREOF

The present invention relates to a tubular membrane filter medium and a cultivation apparatus using the same, and more particularly, to a tubular membrane filter medium and a cultivation apparatus using the same having a supportability, sustained release, and filterability to stably supply a constant amount of cultivation fluid. will be.

In the conventional hydroponic cultivation, by using a general water pipe to supply water and nutrients, not only unpleasant damage is caused by not only nutrients dissolved in water, but also bacteria and fine dust that cause fatal damage to cultivated crops. Is likely to occur.

Meanwhile, porous membranes (membrane), which are used for removing impurities and aseptics in semiconductor and wastewater treatment processes, have excellent sieve effect through pores and waste of water due to sustained-release delivery. Is less.

So far, there has been no application to plant cultivation using sustained release of porous membrane, but even if general porous membrane is applied to hydroponic cultivation, porous membrane is not only easy to break or entangle because it has no support on its own, In the case of fixing the seed on the surface of the porous membrane or the root of the plant is difficult to settle. In addition, the root of the plant is strongly squeezed the porous membrane, unlike the intention to use the porous membrane for hydroponic cultivation has a problem that it is difficult to supply a certain amount of moisture and nutrients.

Therefore, there is a need for a new type of tubular membrane filter medium and a cultivation apparatus using the same that can overcome these disadvantages.

The present invention has been made in view of the above necessity, and an object thereof is to provide a tubular membrane filter agent having flexibility, sustained release, filterability, and self-supporting force.

It is also an object of the present invention to provide a foot culture device using the tubular membrane filter.

It is also an object of the present invention to provide a mesh cultivation apparatus using the tubular membrane filter medium.

It is also an object of the present invention to provide a mass cultivation apparatus using the tubular membrane filter medium.

It is also an object to provide a mat-type cultivation device using the tubular membrane filter medium.

The tubular membrane filter medium according to the present invention for achieving the above object has a bendability and a supporting force, the porous tube is permeated to the outer peripheral surface while the cultivation liquid is moved by the water pressure through the space formed by the inner peripheral surface; A tubular fabric surrounding the outer circumferential surface of the tube; A porous membrane formed by coating a polymer resin on an outer circumferential surface of the fabric and having micropores; And a medium surrounding the outer circumferential surface of the porous membrane, and slowly releasing the solution containing the solution penetrating the micropores of the porous membrane.

In addition, the cultivation apparatus using a tubular membrane filter medium according to the present invention comprises a plurality of said tubular membrane filter medium; An outer circumferential surface is hermetically coupled to an end of the tubular membrane filter medium to supply the culture liquid to the tubular membrane filter medium, and includes a hose having at least one culture medium supply end; It is configured to include; a cultivation solution supply unit coupled to the cultivation solution supply stage of the hose.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a tubular membrane filter media according to the invention. Referring to the same figure, the tubular membrane filter medium 100 according to the present invention comprises a tube 110, a tubular fabric 120, a porous membrane 130 and the medium portion 140, from the tubular center in the circumferential direction The tube 110, the tubular fabric 120, the porous membrane 130, and the medium 140 are formed in a layered structure in this order.

The tube 110 is a tubular shape having an inner circumferential surface and an outer circumferential surface, and the inner circumferential surface of the tube 100 forms a space in which a flowable liquid can be moved. In addition, the tube 110 preferably has micropores through which liquid can be permeated from the inner circumference to the outer circumference or from the outer circumference to the inner circumference. In addition, the tube 110 has flexibility and a supporting force that can be molded into a predetermined shape. Therefore, the tube 110 is preferably a plastic tube treated with porosity.

Therefore, the material having no bearing force to surround the porous tube 110 also has a bearing force in a predetermined shape due to the bearing force of the porous tube 110. In addition, when a certain hydraulic pressure is applied to allow the cultivation liquid to move through the inner circumferential surface space of the porous tube 110, the cultivation liquid is permeated to the outer circumferential surface while being moved through the inner circumferential surface space.

In this case, the cultivation solution may be configured by dissolving a water-soluble nutrient required for plant growth or a water-soluble insecticide for removing organisms harmful to the plant in water. The type and dosage of nutrients and pesticides can be adjusted appropriately according to the situation, so that labor costs for supplying water, nutrients and pesticides can be reduced, and the results according to the type and dosage can be effectively observed.

The tubular fabric 120 is a medium that allows the porous membrane 130 to be smoothly coated on the outer circumferential surface of the tube 110. Therefore, the tubular fabric 120 is preferably formed in close contact with the outer circumferential surface of the tube 110 as well as having a surface area property that the porous membrane can stick well.

The porous membrane 130 is formed by coating a polymer resin on the outer peripheral surface of the fabric 120. The coating method of the polymer resin is preferably as disclosed in the applicant's prior patent application 'Method for producing a tubular filter and a filter module, a filtration device, and a filtration system (Patent Application No. 10-2003-11586) using the same'. It is not limited.

Polymer resins usable in the present invention include polyurethane resins, polysulfone (PS) resins, nylon (Nylon) resins, cellulose acetate (CA) resins, polyacrylonitrile (PAN) resins. Or a polymer resin such as polyvinylidene fluoride (PVDF) resin, preferably, a polymer resin in which an N-vinyl pyrrolidone monomer is graft-polymerized, acrylic acid (acrylic). acid) Filter material in case of using polymer resin polymerized with hydrophilic monomer graft such as polymer resin graft polymerized monomer and hydroxy ethyl methacrylate graft polymerized polymer resin It is more desirable to minimize organic contamination on the surface.

In addition, in the process of forming the porous membrane 130, a pore-forming material such as polyvinyl pyrrolidone or polyethylene glycol is added to the polymer resin to the porous membrane 130. To form micropores; The size and density of the micropores can be controlled according to the molecular weight and the addition amount of the selected pore former.

In the tubular filter 100 according to the present invention, the micropores preferably have a size of 0.01 to 50 micrometers. This is to selectively permeate only the elements necessary for plant growth such as water, nutrients and pesticides among the components contained in the cultivation through the micropores and to filter out bacteria and impurities that harm the plant growth. Therefore, it will be apparent to those skilled in the art that the material to be permeated can be selected by adjusting the size and density of the micropores.

The medium unit 140 contains a cultivation solution permeating the porous membrane 140 to provide nutrients or water necessary for the cultivation of plants at all times, and the hydrogel (eg, hydrogel) on the outer circumferential surface of the porous membrane 130. Hydrogel) is preferably formed by fixing.

Hydrogel is a substance that absorbs a considerable amount of water but does not dissolve in water and maintains its own three-dimensional structure. Temperature, pH, light, solvent composition, current, ionic strength, salt form, and external stress The small change in the medium conditions such as shows a large change in volume. Stimuli-sensitive swelling characteristics of this hydrogel can be used to control the release of the broth through the tubular membrane filter media 100 according to the present invention.

As a result, the tubular membrane filter medium 100 according to the present invention can have sustained-release delivery in the discharge of the cultivation solution, and can supply the required amount of water at the same time while reducing the waste of water. Cultivation is possible even when the water supply is not smooth.

As a method of forming the hydrogel layer medium 140 on the porous membrane 130, a dip coating technique, a surface activation technique, and a spray coating technique may be used.

More preferably, hydrogel is mixed with a polymer such as polyvinylyl chol (PVA), polyvinyl pyrrolidone (PVP), poly 2-hydroxyethyl methacrylate (PHEMA) and seeds to be cultured with water to form a viscous mixture, which is porous. The outer peripheral surface of the film 130 is sprayed and then dried to form a medium part.

In this case, the added seed can be directly rooted in the hydrogel, thereby solving the problem that the root of the plant is not settled on the surface of the conventional water pipe.

The tubular membrane filter medium 100 described above has sustainability in self-supporting, pathogenic filterability, and cultivation of liquid supply, and due to this characteristic, the tubular membrane filter medium 100 according to the present invention has various kinds of crops, flowers, grass, etc. It can be used in the cultivation apparatus of the plant.

The cultivation apparatus using the tubular membrane filter medium is preferably configured to include a plurality of tubular membrane filter medium 100, the hose 210 and the culture liquid supply unit 220. A plurality of tubular membrane filter media 100 is arranged in a geometric pattern, the hose 210 has a bendability and support, the outer peripheral surface and the end of the tubular membrane filter media 100 so that the cultivation is supplied to the tubular membrane filter media 100 It is hermetically coupled and has at least one culture medium supply stage 216. The culture solution supply unit 220 is coupled to the culture solution supply terminal 216 of the hose.

At this time, it is preferable that the culture medium supply unit 220 is located slightly higher than the culture medium supply terminal 216 of the hose 210 to generate an appropriate water pressure.

Therefore, the cultivation liquid flows into the hose 210 from the cultivation solution supply unit 220 by water pressure, and moves to the tubular membrane filter medium 100 which is hermetically coupled to the outer circumferential surface of the hose 210, and the tubular membrane filter medium 100 Through the tube 110, the fabric 120 and the filterable porous membrane 130 constituting the sequential delivery to the medium 140 to control the outflow of the culture solution is finally absorbed by the plant.

The cultivation apparatus using the tubular membrane filter medium according to the present invention may be configured in various forms according to the geometric arrangement of the plurality of tubular membrane filter media (100). Hereinafter, as an example of various cultivation apparatuses, the foot-type cultivation apparatus 200, the folding-type cultivation apparatus 250, the mesh cultivation apparatus 300, the mass cultivation apparatus 400, and the mat cultivation apparatus 500 are illustrated. Will be explained.

2 is a front view of a first embodiment of the cultivation apparatus using a tubular membrane filter medium according to the present invention (foot type), Figure 3 is a first embodiment of the cultivation apparatus using a tubular membrane filter medium according to the present invention ( A cross-sectional view taken along line AA ′ of the present invention.

Referring to FIGS. 2 and 3, the foot cultivation apparatus 200 using the tubular membrane filter medium is arranged side by side in a state where the plurality of tubular membrane filter media 100 are spaced apart from each other by a predetermined distance, and the tubular membrane filter media 100 Both ends of the) are sealed using the adhesive 214 in a state in which they are respectively coupled to the outer circumferential surface of the hose 10. Both ends of the hose 210 is sealed with a plug 212 so that the cultivation solution does not leak, it is preferable that there is a hose 210 having at least one cultivation solution supply end 216 in the entire hydroponic cultivation device. . The culture solution supply unit 220 is coupled to the culture solution supply stage 214.

 When the length of the tubular membrane filter medium 100 is long, the tubular membrane filter medium 100 may be added by adding a support member 230 such as a wire or a string for weaving the tubular membrane filter medium 100 between the hose 210 and the hose 210. ) Can be reinforced. Partial enlarged view 150 shows the layer formed by the cross section of the tubular membrane filter media 100.

When the tubular membrane filter medium 100 arranged between the two hoses 210 and the two hoses 210 is formed as one basic unit, the plurality of basic units are cascaded to each other so as to form a totally folding type planting device ( 250). 4 is a front view of a second embodiment of a cultivation apparatus using a tubular membrane filter medium according to the present invention. Referring to the enlarged view 255 of the same figure, the base unit and each tubular membrane filter medium 100 of the base unit is sealed with an adhesive in a state in which it is coupled to one common hose 210 so that the cultivation fluid can move with each other. Has a structure.

In addition, although not shown, the plurality of basic units may be connected in series to each other as basic units to form a folding-type cultivation apparatus as a whole. At this time, one hose of the basic unit and one hose of the other basic unit is preferably connected by a plug.

The foot-shaped and folding-type cultivation apparatus (200, 250) can be used to cultivate ornamental flowers and can be used to decorate beautifully by decorating a wall or the like that hurts aesthetics.

5 is a view showing a third embodiment (net) of a cultivation apparatus using the tubular membrane filter medium according to the present invention. Referring to the drawings, the hydroponic cultivation apparatus 300 using the tubular membrane filter medium is configured in the form of a net mesh weaving each other after the plurality of tubular membrane filter media 100 arranged in a horizontal row and a vertical column, It is enclosed by a hose 210 having a culture medium supply end 216, and both ends of each tubular membrane filter medium 100 are coupled to the outer circumferential surface of the hose 210 to be sealed to prevent leakage of the culture solution.

The net shape may be a shape surrounding a specific object such as a rock wall or a flower pot. Reticulated cultivation apparatus 300 according to an embodiment of the present invention has a potted shape, it is possible to cultivate ornamental flowers using this. At this time, the flower is cultivated in the shape of a specific object (in this example, a pollen) along the form in which the tubular filter medium 100 is listed. Therefore, the shape of the cultivated flowers can be determined by selecting an appropriate shape of the net according to the use of home, office, event space, and the like. A support member (not shown), such as a wire or string, may be used to strengthen the binding of the plurality of tubular membrane filter media 100 constituting the mesh form.

6 is a view showing a third embodiment (bulk cultivation type) of the cultivation apparatus using the tubular membrane filter medium according to the present invention. Referring to the drawing, in the mass cultivation apparatus 400 using the tubular membrane filter medium, the hose 210 constitutes a rectangular outer frame, and the plurality of tubular membrane filter media 100 are woven together in a horizontal row and a vertical row. Located in a rectangular outer frame, both ends are closed after being coupled to the outer circumferential surface of the hose 210 having the cultivation solution supply stage 216, and the cultivation solution supply unit 220 is combined with the cultivation solution supply terminal 216 to form a single base. Make up the unit.

The mass cultivation apparatus 400 using the tubular membrane filter medium further includes a cultivation culture frame 260 into which a plurality of unit rectangular frames are interpolated. Culture culture frame 260 is preferably provided with a plurality of slots (262) so that the rectangular frame is interpolated and fixed.

Furthermore, in manufacturing the culture cultivation frame 260, by adopting optical materials, heat treatment, plate temperature control device and the provision of hot air to artificially adjust the temperature, regardless of the season, crops regardless of the season It is desirable to be able to grow.

Therefore, the mass cultivation cultivation apparatus 400 according to an embodiment of the present invention provides a foundation for commercializing large-scale cultivable crops and flowers.

7 is a plan view showing a fourth embodiment (mat type) of a cultivation apparatus using a tubular membrane filter medium according to the present invention, and FIG. 8 is a fourth embodiment of a cultivation apparatus using a tubular membrane filter medium according to the present invention. It is a figure which shows sectional drawing of BB` of (mat type).

Referring to FIGS. 7 and 8, the mat hydroponic apparatus 500 using the tubular membrane filter medium is seated by combining the tubular membrane filter medium 100 and the hose 210 on the upper surface of the mat 240 and having a hydro on the upper surface thereof. Gel layer medium 140 is present. Therefore, the tubular membrane filter medium 100 used in the present embodiment is preferably a tubular membrane filter medium without hydrogel coating.

To explain this in detail, first, the tubular membrane filter medium 100 is a polymer resin on the outer surface of the tubular fabric 120 and the fabric 120 surrounding the outer circumferential surface of the porous tube 110 and the tube 110 having flexibility and support The porous membrane 130 formed by coating is layered sequentially. The plurality of tubular membrane filter media 100 is preferably woven in a horizontal row and vertical row to form a mat shape.

The hose 210 forms an outer frame of the tubular membrane filter media 100 combined in a mat shape, and a plurality of mat-shaped tubular membrane filter media 100 is positioned in the outer frame. The outer circumferential surface of the hose 210 is combined with the end of the tubular membrane filter medium 100 and sealed to supply the culture liquid to each tubular membrane filter medium 100. The hose 210 preferably includes at least one cultivation feed end 216.

The discharge part 140 is the outer peripheral surface of the tubular membrane filter medium 100 on the opposite side to the mat 240 surface after the tubular membrane filter medium 100 and the hose 210, which are combined in a mat shape, is seated on the mat 240 as described above. A viscous mixture of hydrogel, seed to be cultured and water is sprayed onto the outer circumferential surface of the porous membrane 130 and then dried. The culture solution supply unit 220 is coupled to the culture solution supply terminal 216 of the hose 210 to supply the culture solution to the hose 210.

The mat-type cultivation apparatus 500 according to the present embodiment may be utilized in the operation of a plastic house for growing an outdoor lawn or crops in which water is not supplied smoothly.

As described above, the tubular membrane filter medium and the hydroponic apparatus using the same provide the following effects.

First, by providing a tubular filter that combines flexibility, sustained release, filterability, and self-support, not only provides a foundation for a cultivation device that stably supplies a constant amount of heterogeneous broth, but also fertilizers administered to the broth, Since various experiments are possible by arbitrarily adjusting the type and amount of nutrients and pesticides, there is an effect of forming the basis of the cultivation device for research. In particular, by constantly supplying a constant amount of liquid to a certain amount of the plant can have a great effect on the growth of the plant.

Second, by providing a foot-shaped cultivation device using the tubular membrane filter medium, there is an effect that can decorate rock walls, unsightly wall materials and the like using hydroponic cultivation devices such as flowers.

Third, by providing a net-type cultivation apparatus using the tubular membrane filter medium, it is possible to use the tubular cultivation surrounding a specific object can be used for various purposes, such as home, office, event venue.

Fourth, by providing a mass cultivation apparatus using the tubular membrane filter medium, there is an effect of creating a foundation to commercialize large-scale cultivable crops and flowers cultivation.

Fifth, by providing a mat-type cultivation apparatus using the tubular membrane filter medium, there is an effect that can economically maintain the outdoor lawn or a vinyl house for growing crops, which is not a smooth supply of water.

It is to be understood that the invention is not limited to that described above and illustrated in the drawings and that many more modifications and variations are possible within the scope of the following claims.

1 shows a tubular membrane filter media according to the invention,

FIG. 2 is a front view of a first embodiment of a cultivation apparatus using a tubular membrane filter medium according to the present invention.

3 is a sectional view taken along line A-A` of a first embodiment (foot type) of a cultivation apparatus using a tubular membrane filter medium according to the present invention;

4 is a front view of a second embodiment of a cultivation apparatus using a tubular membrane filter medium according to the present invention (a folding screen type),

5 is a view showing a third embodiment (net) of a cultivation apparatus using the tubular membrane filter medium according to the present invention,

6 is a view showing a fourth embodiment (bulk cultivation type) of the cultivation apparatus using the tubular membrane filter medium according to the present invention;

7 is a plan view of a fifth embodiment (mat type) of a cultivation apparatus using the tubular membrane filter medium according to the present invention;

Fig. 8 is a sectional view taken along line B-B 'of a fifth embodiment (mat type) of a cultivation apparatus using the tubular membrane filter medium according to the present invention.

<Description of the symbols for the main parts of the drawings>

100 ... tubular membrane filter media 110 ... tube

120 ... fabric 130 ... porous membrane

140 ... Outlet 200 ... Foot growth device

210 ... Hose 212 ... Plug

214 ... glue 220 ... cultivation supply

230 ... support member 240 ... mat

300 ... net grower 400 ... grower for mass cultivation

500 ... Mat Growing Unit

Claims (9)

A porous tube having flexibility and support, and penetrated to the outer circumferential surface while the solution is moved by water pressure through a space formed by the inner circumferential surface; A tubular fabric surrounding the outer circumferential surface of the tube; A porous membrane formed by coating a polymer resin on an outer circumferential surface of the fabric and having micropores; And And a media part surrounding the outer circumferential surface of the porous membrane and gradually releasing the solution containing the solution that has permeated the micropores of the porous membrane. The method of claim 1, The micropores are tubular membrane filter media, characterized in that the size of 0.01 to 50 micrometers. The method of claim 1, The medium is a tubular membrane filter medium, characterized in that the viscous mixture of the hydrogel and water is sprayed on the outer peripheral surface of the porous membrane and then dried. A porous tube having flexibility and support, and having a periphery transmitted through the space formed by the inner circumferential surface to be permeated to the outer circumferential surface, and a tubular fabric surrounding the outer circumferential surface of the tube; Is formed by coating a polymer resin on the outer circumferential surface of the fabric, containing a porous membrane having micropores and a culture part surrounding the outer circumferential surface of the porous membrane and gradually penetrating the micropores of the porous membrane; Membrane filter media; An outer circumferential surface of the hose coupled to the end of the tubular membrane filter medium to be sealed so that the culture fluid is supplied to the tubular membrane filter medium, and having a at least one culture medium supply end; Cultivation apparatus using a tubular membrane filter medium comprising a; cultivation solution supply portion coupled to the cultivation solution supply terminal of the hose. The method of claim 4, wherein And the plurality of tubular membrane filter media are arranged side by side with each other. The method of claim 4, wherein The plurality of tubular membrane filter media is a cultivation device using a tubular membrane filter medium, characterized in that the network form is woven together after being arranged in a row and a column. The method of claim 4, wherein At least one hose has a rectangular frame shape, Cultivation apparatus using a tubular membrane filter medium further comprising a culture frame for the interpolation of the square frame lake. It has flexibility and support and is formed by coating a polymer resin on a porous tube, a tubular fabric surrounding the outer circumferential surface of the tube, and a porous tube permeating to the outer circumferential surface while the cultivation liquid is moved by a hydraulic pressure through a space formed by the inner circumferential surface. A plurality of tubular membrane filter media including porous membranes having micropores; An outer circumferential surface of the hose coupled to both ends of the tubular membrane filter medium to be sealed so that the culture solution is supplied to the tubular membrane filter medium, and having a hose having at least one culture medium supply end; The hose constitutes a mat outer frame, and the plurality of tubular membrane filter media are woven together in a horizontal row and a vertical row, positioned in the outer frame and seated on a mat, and are formed on the outer circumferential surface of the tubular membrane filter medium opposite to the mat surface. A medium portion containing the cultivation solution penetrating the micropores of the porous membrane and gradually releasing it; A cultivation apparatus using a tubular membrane filter medium comprising a; cultivation solution supply unit coupled to the cultivation solution supply terminal of the hose. The method according to claim 4 or 8, The cultivation apparatus is a cultivation apparatus using a tubular membrane filter medium, characterized in that the water is mixed with at least one of nutrients, insecticides and water.