KR20200000422A - Energy self-sufficient smart farm system based on salinity gradient power generation - Google Patents

Abstract

Disclosed is a smart farm system based on salinity gradient power generation capable of efficiently helping growth of crops. The smart farm system comprises: farm facilities in which crops are grown; and a salinity gradient power generator receiving a high concentration solution including at least one selected from a group made of filtered sewage, acid fermentation liquid from food waste, carbon dioxide absorbent, and filtered liquid fertilizer and a low concentration solution with the concentration lower than the concentration of the high concentration solution, generating electricity using the concentration difference between the high concentration solution and the low concentration solution, and supplying growth raw materials used for growth of the crops.

Description

ENERGY SELF-SUFFICIENT SMART FARM SYSTEM BASED ON SALINITY GRADIENT POWER GENERATION

The present invention relates to a smart farm system, and more particularly to an energy-independent smart farm system based on salinity generation.

Water-energy-food nexus refers to integrated management technology to identify the linkages of water, energy and food resources and to use them efficiently. Smart farms, which are central to the water-energy-food nexus, aim to improve the productivity and quality of crops by maintaining optimal environmental conditions and nutrient solutions based on real-time sensing information on the environment of the greenhouse and the growth of crops. Technology. Smart farms in the broader sense apply ICT convergence technology to the whole cycle of agricultural and livestock production, distribution, and consumption in the fields of agricultural and livestock industry such as open-field agriculture, hydroponic cultivation, facility horticulture, and livestock raising, thereby improving the quality of life in rural areas. Includes up to farming forms.

In order to secure the efficiency of the entire system, the energy supply of the smart farm must be self-sustaining and stable, and the growth raw materials must be supplied in an environmentally friendly manner. Therefore, the development of such energy-independent smart farm system is required.

An object of the present invention is to provide an energy-independent smart farm system based on salt power generation that can supply customized growth raw materials optimized according to the types of energy and crops required for operation management of smart farms using salt power generation.

The smart farm system according to the embodiments of the present invention is a farm facility where crops are grown, and a high concentration solution and a high concentration solution comprising at least one selected from the group consisting of filtration waste water, food waste acid fermentation broth, carbon dioxide absorbent, and filtrate ratio. It may include a salt differential power generator for receiving electricity having a lower concentration of low concentration solution to generate electricity by using the concentration difference between the high concentration solution and the low concentration solution, supplying the growth raw materials used for the growth of the crop.

Smart farm system according to the embodiments of the present invention is a farm facility in which the crop is grown, and a high concentration solution comprising at least one selected from the group consisting of filtration waste water, food waste acid fermentation broth, carbon dioxide absorbent, filtrate ratio and fertilizer liquid Salinity difference comprising a salt differential generator for receiving electricity from a low concentration solution having a lower concentration than a high concentration solution to generate electricity by using the concentration difference between the high concentration solution and the low concentration solution and supplying growth raw materials used to grow the crops. It may include a power generation device and a microbial culture device supplied with a portion of the electricity and growth raw materials.

Smart farm system according to the embodiments of the present invention is installed on a farm facility where crops are grown, and the soil or hydroponic cultivation around individual crops in the farm facility, filtration waste water, food waste acid fermentation broth, carbon dioxide absorbent, filtration Receiving a high concentration solution containing at least one selected from the group consisting of liquid fertilizer and fertilizer liquid and a low concentration solution having a lower concentration than the high concentration solution to generate electricity by using the concentration difference between the high concentration solution and the low concentration solution, Supplying growth raw materials used for growth, the high concentration solution and the low concentration solution may include a salt differential power generation device is supplied in the form of a capsule that can be replaced each removable.

Smart farm system according to embodiments of the present invention is a high concentration solution and a high concentration solution comprising at least one selected from the group consisting of farm facilities, cultivated waste water, food waste acid fermentation broth, carbon dioxide absorbent, filtrate ratio and fertilizer liquid crops are grown A salt differential power generation device for supplying growth raw materials used for growing the crops, and generating electricity using a concentration difference between the high concentration solution and the low concentration solution by receiving a low concentration solution having a lower concentration than the solution, a high concentration brine and the high concentration A large-capacity salinity generator for generating electricity by receiving any one of the solutions and the low concentration solution, and storing the electricity generated by the salt-differential generator and the large-sized salt generator, and supplies the electricity to the farm facility It may include an energy storage system.

According to the present invention, the smart farm system can produce electricity by using the concentration difference between fresh water and waste resources or fertilizer solution and at the same time can supply growth raw materials suitable for crop growth. Thus, smart farm systems can realize energy independence, can help crops grow efficiently, and solve the water-energy-food nexus problem. Therefore, the smart farm system can be applied to smart farm franchise projects, eco-friendly cities, anti-aging functional cities, large-scale eco-friendly water-energy-waste independent smart cities, and the like.

1 is a block diagram of a smart farm system according to a first embodiment of the present invention.
2 to 4 are modifications of the smart farm system shown in FIG.
5 is a block diagram of a smart farm system according to a second embodiment of the present invention.
6 is a block diagram of a smart farm system according to a third embodiment of the present invention.
7 is a block diagram of a smart farm system according to a fourth embodiment of the present invention.
8 and 9 are a perspective view and a side view showing a first embodiment of the salt differential solar energy combined cycle apparatus.
FIG. 10 is an exploded perspective view and a rear view illustrating the first solution inlet and the first inlet member of the first embodiment of the salt difference solar energy composite power plant. FIG.
11 is an exploded perspective view showing a first embodiment of a salt differential solar energy combined cycle power generation apparatus.
12 and 13 are a perspective view and a schematic view for explaining a salt differential power generation unit of the salt differential solar energy combined cycle power generation device.
14 and 15 are a perspective view and a side view showing a second embodiment of the salt differential solar energy combined cycle apparatus.
FIG. 16 is an exploded perspective view showing a second embodiment of the salt differential solar thermal power generation apparatus. FIG.
FIG. 17 is a graph showing energy densities according to temperature changes of fresh water and brine solutions of the salt differential power generator through the salt differential solar energy combined cycle power generator of FIG. 7.
18 and 19 are a perspective view and a side view of a salt differential solar energy combined cycle power generation apparatus according to a third embodiment of the present invention.
20 to 22 are perspective views illustrating a salt difference solar power generation system according to an embodiment of the present invention.
23 is a configuration diagram of an integrated system incorporating a smart farm system according to the first to fourth embodiments of the present invention.
24 is a graph showing the energy density of the salt differential power generator according to the type and configuration of chemical fertilizer components in the smart farm system shown in FIG.
FIG. 25 is a graph showing an open circuit voltage (OCV) of the salt differential power generator of the smart farm system shown in FIG. 1.
FIG. 26 is a graph illustrating energy density change according to freshwater flow rate change of the salt differential power generator using the chemical fertilizer component of the smart farm system shown in FIG. 1.
FIG. 27 is a graph showing the energy density of the salt power generator using the waste coffee solution as the fertilizer solution and the fresh water as the fresh water in the smart farm system shown in FIG. 1.
FIG. 28 is a graph showing the energy density of the salt power generation apparatus using KNO ₃ as a fertilizer solution and waste coffee solution as fresh water in the smart farm system shown in FIG. 1.
FIG. 29 is a graph showing the energy density of the salt power generation apparatus using the liquid fertilizer obtained from pig manure as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG. 1 or FIG. 6.
FIG. 30 is a graph illustrating a change in concentration of a carbon dioxide absorbing liquid of a salt generating apparatus using carbon dioxide absorbing liquid as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG. 1.
FIG. 31 is a graph illustrating a change in concentration of a freshwater solution of a salt power generation apparatus using a carbon dioxide absorbing liquid as a fertilizer solution and freshwater as freshwater in the smart farm system shown in FIG. 1.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

Components not specifically mentioned in connection with solar panels and saline generators (reverse electrodialysis generators) are those conventionally used, and those of ordinary skill in the art may be properly adapted to the purpose and conditions of use thereof. You can choose to use it. In addition, the term 'connecting, installing, and mounting' as used throughout this specification means a fixed connection using a bolt and a nut, and the like, as well as a bolt and a nut, a self-connecting member having ordinary knowledge in the art. It can select suitably and can use.

1 is a block diagram of an energy-independent smart farm system according to an embodiment of the present invention.

Referring to FIG. 1, the smart farm system 100 of the first embodiment includes a farm facility 10 in which crops are grown, a salt difference generator 20 generating power using a low concentration solution and a high concentration solution, and energy for storing electricity. A storage system 30, a central controller 50.

The salt differential power generator 20 is connected to the low concentration solution supply part 41 and the high concentration solution supply part 42 and is controlled by the central controller 50.

The farm facility 10 may be a general open farm facility or a building such as a greenhouse. The farm facility 10 includes at least one or more various sensors 11 for detecting temperature, humidity, light quantity, wind direction, wind speed, plant growth, and the like, and an electromechanical apparatus capable of operating and communicating the farm facility 10 ( 12).

The sensor 11 is attached to the soil or hydroponic cultivation solution to detect humidity, temperature, pH, nutrition, etc., a sensor to detect the amount of light in the greenhouse, a sensor attached to the crop to monitor the growth of the crop, etc. It may include.

The electromechanical apparatus 12 may include a cooling / heating unit for temperature control, an exhaust fan for ventilation, a machine for irrigation control, a lighting unit for light supply, a device for communicating with a central controller, and the like. have.

The low concentration solution (fresh water) supply unit 41 is configured to carry out a first pipe L1 for transferring a low concentration solution (0.005 to 1.0 wt%) obtained from a fresh water source, and a first pump P1 installed in the first pipe L1. It may include. The freshwater source may include, but is not limited to, at least one selected from general freshwater, groundwater, tap water, sewage effluent, river water, general agricultural water, washing water, cooling water, and mixed solutions thereof.

The high concentration solution supply unit 42 may include a second pipe L2 for transferring a high concentration solution (1.0 to 50.0 wt%), and a second pump P2 installed at the second pipe L2.

The high concentration solution may be at least one selected from the group consisting of filtration wastewater, food waste acid fermentation broth, carbon dioxide absorbent liquid, filtrate ratio and fertilizer liquid and high concentration solution other than seawater.

The filtrate ratio is waste coffee extract, fermented soybean fermentation, neat liquid fermentation, fermented soybean fermentation, fermented soybean fermentation, molasses, fermented soybeans, fermented soybeans, herbal liquids, eggshell calcium, fermented soybeans, kimchi liquid, milk liquid, microbial liquid, fish Filtrates such as liquid ratio, livestock liquid ratio and other organic liquid ratios.

Fertilizer liquid is a liquid of general chemical fertilizer, UREA, NH ₄ NO ₃ , NH ₄ Cl, Ca (NO ₃ ) ₂ , NH ₄ H ₂ PO ₄ , NaNO ₃ , KNO ₃ , (NH ₄ ) ₂ SO ₄ , KH ₂ PO ₄ , (NH ₄ ) ₂ HPO ₄ , K ₂ SO ₄ , and KCl.

The salt differential power generator 20 is connected to the first and second pipes L1 and L2 to receive a low concentration solution and a high concentration solution, and to generate electricity by using the concentration difference between the low concentration solution and the high concentration solution, Dilution nutrient solution or carbonated water) is discharged and supplied to the crop 10 of the farm facility (10). Specifically, the growth raw material may be supplied to the crop 10 by being supplied as soil or hydroponic cultivation solution of the farm facility 10.

The salt differential power generator 20 may be a reverse electrodialysis (RED) device. The reverse electrodialysis apparatus includes a cell stack in which cation exchange membranes and anion exchange membranes are alternately arranged, and electrodes (oxidation electrodes and reduction electrodes) disposed at both ends of the cell stack. When a high concentration solution and a low concentration solution are supplied to the cell stack, a potential difference occurs as anions move to the anion exchange membrane side and cations move to the cation exchange membrane side, and electric power is generated by the oxidation / reduction reaction on the electrode. In addition to the oxidation / reduction reaction, capacitive ion desorption and adsorption may be used to make electrons flow in the electrode. In general, the reverse electrodialysis method is a pretreatment for the high concentration and low concentration solution used for salt differential power generation, because the degree of contamination on the membrane surface is lower in principle compared to the pressure delay osmosis method in which water moves through the membrane to produce electricity Energy costs can also be lowered, which has advantages in terms of long-term stability and energy efficiency of salt generation.

The electricity produced by the salt differential generator 20 may be all stored in the energy storage unit 30, or may be supplied to the energy storage unit 30, the farm facility 10, and the central controller 50. The energy storage unit 30 stores the electricity produced by the salt differential generator 20, and supplies electricity to the sensor 11, the electromechanical apparatus 12, and the central controller 50. The salt difference generator 20 may produce a sufficient amount of electricity necessary for the operation of the farm facility 10 due to the large concentration difference between the low concentration solution and the high concentration solution.

The central control unit 50 is electrically connected to the sensor 11, the electromechanical apparatus 12, and the salinity generator 20, and according to the detection signal of the sensor 11 by a preset program The driving of 20 is controlled. Specifically, the central control unit 50 controls the operation of the first pump (P1) and the second pump (P2) to control the flow rate of the low concentration solution and the high concentration solution supplied to the salt differential power generator 20 precisely or In addition, the operation of the salt differential generator 20 may be turned on / off itself. In addition, the central controller may wirelessly receive big data obtained from various sensors. In addition, the central controller 50 may be an artificial intelligence-based central controller that analyzes the big data of the growing environment and applies it to the control again. In addition, the central control unit 50 may communicate the analyzed and monitored data with the portable control unit 55 of the user.

Highly concentrated solutions are highly concentrated solutions whose concentrations range from 1 wt% to 50 wt%. Therefore, even if the growth raw material discharged in a state of low concentration through the salt difference generator 20 may be high in concentration to supply directly to the crop. In this case, the raw materials for crop growth must be diluted and supplied to the crops. The growth raw material dilution supply unit 60 may include a third pipe L3 connected to the salt differential power generator 20 and the farm facility 10, a concentration meter 61 installed at the third pipe L3, and a three-way valve ( 62 and a fourth pipe L4 connected to the second outlet OP2 and the second pipe L2 of the three-way valve 62.

The three-way valve 62 has an inlet IP into which the growth raw material solution flows, a first outlet OP1 facing the farm facility 10, and a second outlet OP2 connected to the fourth pipe L4. Include. The three-way valve 62 controls the supply direction of the diluted crop growth raw material solution by opening one of the first outlet OP1 and the second outlet OP2 according to the measurement result of the concentration meter 61.

For example, in the central controller 50, the optimum concentration range for each crop is set in advance, and the concentration measuring unit 61 measures the concentration of the crop growth raw material flowing through the third pipe L3 and centralizes the measurement signal. Output to device 50.

The central controller 50 may compare the measurement signal with the setting range and open the first outlet OP1 of the three-way valve 62 when the measurement signal satisfies the setting range so that the growth raw material is supplied to the crop. Meanwhile, when the measurement signal does not satisfy the setting range, the central controller 50 may open the second outlet OP2 of the three-way valve 62 to transfer the growth raw material to the second pipe L2. The growth raw material transferred to the second pipe L2 is mixed with the high concentration solution and supplied again to the salt differential power generator 20.

In the case of the conventional salt power generator 20, fresh water and sea water are used as raw materials for salt power generation, but in order to supply sea water, there is a limitation that the salt water generation device 20 must be adjacent to the shore. In addition, a large amount of NaCl salts contained in seawater may damage crops and may be quite limited in use. On the other hand, according to the first embodiment of the present invention there is no limitation in the installation location of the farm facility because it uses a variety of fertilizers and waste around the farm facility 10 or raw materials obtained from these wastes.

In particular, from the filtration wastewater obtained from the septic tank around the farm facility 10, the food waste acid fermentation liquid obtained from the food waste treatment plant, the carbon dioxide absorbing liquid obtained from the carbon dioxide capture plant which absorbs carbon dioxide discharged from the combustion exhaust gas of a combustion exhaust facility, and the manure of a livestock house. Energy through the brine power generation device 20 using wastewater, such as the obtained filtrate, or fertilizers that are readily available in the vicinity, instead of seawater, and using fresh water obtained from groundwater, tap water, sewage effluent, river water, reservoirs, and other agricultural water. At the same time, the growth raw materials used for plant growth can be simultaneously generated.

Therefore, the smart farm system 100 can realize energy independence by using the evasion and aversion facility, can effectively control the growth of crops, and complete a virtuous cycle of waste. In other words, it can be applied to smart farm franchise projects, eco-friendly cities, anti-aging functional cities, large-scale eco-friendly water-energy-waste independent smart cities, and large-scale eco-friendly water-energy-food independent smart cities. .

2 to 4 illustrate various modified embodiments of the smart farm system according to the first embodiment of the present invention.

For the sake of simplicity of the drawings, the farm facility 10, the energy storage unit 30, the central controller 50, and the farm facility 10 are shown in the form of a black box, and the radio communication signal is omitted. And as a high concentration solution 42, a liquid ratio is demonstrated to an example.

Referring to FIG. 2, the first modification 100A further includes an forward osmosis unit 70 positioned at the front end of the salt differential power generator 20 based on the configuration of the first embodiment described above. The forward osmosis unit 70 includes a first flow path CH1 and a second flow path CH2 separated by the semi-permeable membrane 71.

The low-concentration solution (fresh water) supply unit 41 includes a first pipe L1 for transferring fresh water obtained from a fresh water source to the salt differential power generator 20, a first pump P1 provided at the first pipe L1, It may include a fifth pipe (L5) for supplying fresh water obtained from the fresh water source to the second flow path (CH2) of the forward osmosis unit 70, and a third pump (P3) provided in the fifth pipe (L5).

The liquid rain supply unit 42 may include a second pipe L2 for supplying a liquid rain to the first flow path CH1 of the forward osmosis unit 70, and a second pump P2 installed in the second pipe L2. have.

When the liquid ratio is supplied to the first flow path CH1 of the forward osmosis unit 70, and fresh water is supplied to the second flow path CH2, the water contained in the fresh water by the osmotic pressure of the liquid ratio and fresh water is semi-permeable membrane 71. It passes to the first flow path CH1. As a result, the primary dilution fertilizer solution is discharged to the outlet of the first flow path CH1, and fresh water is discharged to the outlet of the second flow path CH2.

The first dilution fertilizer solution discharged from the first flow channel CH1 is supplied to the salt differential power generator 20, and the fresh water discharged from the second flow channel CH2 is transferred to the first pipe L1 to further generate salt differential power. Supplied to the device 20. The salt differential power generator 20 generates electricity by using the concentration difference between fresh water and primary dilution fertilizer solution, and discharges the secondary dilution fertilizer solution to supply to the crops.

The concentration measuring unit 61 measures the concentration of the secondary dilution fertilizer solution, and when the measured concentration satisfies the set range, the first outlet OP1 of the three-way valve 62 is opened to supply the secondary dilution fertilizer solution to the crop. do. On the contrary, if the measured concentration does not satisfy the setting range, the second outlet OP2 of the three-way valve 62 is opened, and the second dilution fertilizer solution is transferred to the second pipe L2, mixed with the liquid ratio, and then the forward osmosis unit again. Supplied to 70.

The central controller 50 controls the sensor unit 11, the salt differential generator 20, and the forward osmosis unit 70, and the salt differential generator according to a detection signal of the sensor unit 11 by a preset program. 20 and the driving of the forward osmosis unit 70.

In detail, the central controller 50 may be electrically connected to the first to third pumps P1, P2, and P3. The central controller 50 may control the operation of the second pump P2 and the third pump P3 to precisely control the flow rate of the liquid ratio and fresh water supplied to the forward osmosis unit 70. In addition, the central controller 50 controls the operation of the first pump (P1) in accordance with the flow rate of the primary dilution fertilizer solution discharged from the first flow channel (CH1) of the forward osmosis unit 70 by the salt differential generator ( 20) can precisely control the flow rate of fresh water supplied to.

Referring to FIG. 3, the second modified example 100B is similar to the first modified example 1 (100A of FIG. 2) except that the forward osmosis unit 70 is positioned at the rear end of the salt differential power generator 20. Consists of the configuration. The forward osmosis unit 70 includes a first flow path CH1 and a second flow path CH2 separated by the semi-permeable membrane 71.

The low-concentration solution (fresh water) supply unit 41 includes a first pipe L1 for transferring fresh water obtained from a fresh water source to the salt differential power generator 20, a first pump P1 provided at the first pipe L1, It may include a fifth pipe (L5) for supplying fresh water obtained from the fresh water source to the second flow path (CH2) of the forward osmosis unit 70, and a third pump (P3) provided in the fifth pipe (L5).

The liquid ratio supply part 42 may include a second pipe L2 for supplying the liquid ratio to the salt differential power generator 20, and a second pump P2 provided in the second pipe L2.

The salt differential power generator 20 generates electricity by using a concentration difference between fresh water and a liquid ratio, and discharges a first dilution fertilizer solution to supply the first flow path CH1 of the forward osmosis unit 70. In the forward osmosis unit 70, the water contained in the fresh water is moved to the first flow path CH1 through the semi-permeable membrane 71 by osmotic pressure of the primary dilution fertilizer solution and fresh water. As a result, the secondary dilution fertilizer solution is discharged to the outlet of the first flow passage CH1, and fresh water is discharged to the outlet of the second flow passage CH2.

The second dilution fertilizer solution discharged from the first flow path CH1 is supplied to the crops of the farm facility, and the fresh water discharged from the second flow path CH2 is transferred to the fifth pipe L5 to be forward osmosis unit 70. Supplied to.

The concentration measuring unit 61 measures the concentration of the secondary dilution fertilizer solution, and when the measured concentration satisfies the set range, the first outlet OP1 of the three-way valve 62 is opened to supply the secondary dilution fertilizer solution to the crop. do. On the contrary, if the measured concentration does not satisfy the setting range, the second outlet OP2 of the three-way valve 62 is opened, and the secondary dilution fertilizer solution is transferred to the second pipe L2, mixed with the liquid ratio, and then again subjected to salt differential power generation. Supplied to the device 20.

The central controller 50 controls the sensor unit 11, the salt differential generator 20, and the forward osmosis unit 70, and the salt differential generator according to a detection signal of the sensor unit 11 by a preset program. 20 and the driving of the forward osmosis unit 70.

Specifically, the central controller 50 may precisely control the flow rate of fresh water and liquid ratio supplied to the salt differential generator 20 by controlling the operation of the first pump P1 and the second pump P2. . In addition, the central controller 50 controls the operation of the third pump (P3) in accordance with the flow rate of the primary dilution fertilizer solution discharged from the salt differential power generator 20 of the fresh water supplied to the forward osmosis unit 70 The flow rate can be precisely controlled.

Referring to FIG. 4, the third modified example 100C includes two salt difference generators 20A and 20B based on the configuration of the first embodiment described above, and includes a salt water supply unit 43 and an forward osmosis unit ( 70) more. The two salt differential generators 20A and 20B include a first salt differential generator 20A and a second salt differential generator 20B.

The brine supply unit 43 may include a sixth pipe L6 for transferring the brine obtained from the brine source, and a fourth pump P4 provided in the sixth pipe L6. The brine source may comprise at least one of industrial wastewater, seawater, and artificial brine. The concentration of brine is higher than that of fresh water and lower than that of liquid rain. The concentration of the brine may be in the range of about 2 wt% to 7 wt%.

The forward osmosis unit 70 includes a first flow path CH1 and a second flow path CH2 separated by the semi-permeable membrane 71. The second pipe L2 of the liquid ratio supply part 42 is connected to the first flow path CH1 of the forward osmosis unit 70, and the sixth pipe L6 of the brine supply part 43 is connected to the forward osmosis unit 70. It is connected to the second flow path CH2.

When the liquid ratio is supplied to the first flow path CH1 of the forward osmosis unit 70, and the brine is supplied to the second flow path CH2, the water contained in the salt water is transmitted through the osmotic pressure of the liquid ratio and the brine. It passes to the first flow path CH1. As a result, the first dilution fertilizer solution is discharged to the outlet of the first flow path CH1, and the concentrated brine is discharged to the outlet of the second flow path CH2.

The low concentration solution (fresh water) supply part 41 includes a first pipe L1 connected to a fresh water source, a first branch pipe L11 and a second branch pipe L12 branched from the first pipe L1, and a first pipe line. The first pump P1 installed in the pipe L1, the first valve V1 installed in the first branch pipe L11, and the second valve V2 provided in the second branch pipe L12 may be included. have. The first branch pipe L11 is connected to the first salinity generator 20A, and the second branch pipe L12 is connected to the second salinity generator 20B.

The configuration of the low-concentration solution (freshwater) supply unit 41 is not limited to the above-described examples, and any configuration may be applied as long as it is capable of dividing and supplying fresh water to the first and second salt differential generators 20A and 20B.

The first salt differential power generator 20A is supplied with fresh water from the first pipe L1 and the first branch pipe L11, and is supplied with concentrated brine discharged from the forward osmosis unit 70. Electricity is produced by the difference in concentration. The first salt difference generator 20A discharges the dilute saline, and the dilute saline may be supplied to the brine source again.

The second salt difference generator 20B receives fresh water from the first pipe L1 and the second branch pipe L12, receives the first dilution fertilizer solution discharged from the forward osmosis unit 70, and receives fresh water and Electricity is produced by the difference in concentration of the first dilution fertilizer solution. The second salt difference generator 20B discharges the second diluted fertilizer solution, and the second diluted fertilizer solution is supplied to the crop of the farm facility 10.

The concentration measuring unit 61 measures the concentration of the secondary dilution fertilizer solution, and when the measured concentration satisfies the set range, the first outlet OP1 of the three-way valve 62 is opened to supply the secondary dilution fertilizer solution to the crop. do. On the contrary, if the measured concentration does not satisfy the setting range, the second outlet OP2 of the three-way valve 62 is opened, and the second dilution fertilizer solution is transferred to the second pipe L2, mixed with the liquid ratio, and then the forward osmosis unit again. Supplied to 70.

The energy storage unit 30 stores the electricity produced by the first and second salinity generators 20A and 20B, and supplies the electricity to the sensor unit 11, the electromechanical apparatus 12, and the central controller 50. To supply. The central controller 50 is electrically connected to the sensor unit 11, the forward osmosis unit 70, the first and second salinity generators 20A, 20B, and the sensor unit 11 by a preset program. The driving of the first and second salinity generators 20A, 20B and the forward osmosis unit 70 is controlled according to the detected signal.

Specifically, the central controller 50 may control the operation of the second pump P2 and the fourth pump P4 to precisely control the flow rate of the liquid ratio and the brine supplied to the forward osmosis unit 70.

The central controller 50 controls the operation of the first pump P1 and the first valve V1 according to the flow rate of the concentrated brine discharged from the forward osmosis unit 70 to the first salinity generator 20A. The flow rate of fresh water supplied can be precisely controlled. In addition, the central controller 50 controls the operation of the first pump (P1) and the second valve (V2) according to the flow rate of the first dilution fertilizer solution discharged from the forward osmosis unit 70 to generate a second salinity difference power generation The flow rate of fresh water supplied to the apparatus 20B can be precisely controlled.

In the third modified example 100C, the concentration of the fertilizer solution supplied to the crops can be adjusted using the forward osmosis unit 70 and the second salt difference generator 20B, and the first and second salt difference generators ( 20A, 20B) can be used to realize energy independence of farm facilities.

5 shows a smart farm management system according to a second embodiment of the present invention.

Referring to FIG. 5, the smart farm system 200 according to the second embodiment is a farm facility 10 in which crops are grown, a salt difference generator 20 generating electricity using a low concentration solution fresh water and a high concentration solution, and electricity. Energy storage system 30 to store, the central control unit 50, microbial culture apparatus 270 is a microorganism culture is made, and a useful resource recovery device 280 for recovering the useful resources from the microbial culture apparatus 270.

The farm facility 10 may be a general open farm facility or a building such as a greenhouse. The farm facility 10 includes at least one or more various sensors 11 for detecting temperature, humidity, light quantity, wind direction, wind speed, plant growth, and the like, and an electromechanical apparatus capable of operating and communicating the farm facility 10 ( 12).

Sensor 11 in the farm facility is attached to the soil or hydroponic cultivation to detect humidity, temperature, pH, nutrition, etc., a sensor for detecting the amount of light in the greenhouse, and attached to the crop to monitor the growth of the crop It may include a sensor or the like.

The sensor 211 in the microbial culture apparatus 270 is disposed in the microbial culture apparatus 270 to measure an internal temperature, a pH sensor for measuring the pH of the microalgal culture tank, a DO sensor, a turbidity sensor, and a microalgal culture tank. Light sensor for measuring the amount of light, PO ₄ ^3- -P sensor, NH ₃ -N sensor, NO ₃ ^-- N sensor may be a sensor for detecting the humidity, temperature, pH, nutrient concentration, light amount, carbonated water concentration and the like.

The electromechanical device 12 in the farm facility 10 is capable of communicating with a cooling / heater for temperature control, an exhaust fan for ventilation, a machine for irrigation control, a lighting device capable of supplying light, and a central controller. Equipment and the like.

The electromechanical apparatus 212 in the microbial culture apparatus 270 includes a supply valve through which microorganisms (eg, microalgae) are supplied into the microbial culture apparatus 270, an inflow water supply valve through which inflow water is supplied, and a compressor for circulating inflow water and effluent water. It may include a stirrer for stirring a microalgae culture tank, a boiler or a heater for controlling the temperature inside the microalgal culture tank.

The low concentration solution (fresh water) supply unit 41 may include a first pipe L1 for transferring a low concentration solution obtained from a fresh water source, and a first pump P1 installed in the first pipe L1. Freshwater sources may include at least one of groundwater, tap water, sewage effluent, river water, reservoirs, and other agricultural water.

The high concentration solution supply unit 42 may include a second pipe L2 for transferring a high concentration solution, and a second pump P2 installed in the second pipe L2.

The high concentration solution may be at least one selected from the group consisting of filtration wastewater, food waste acid fermentation broth, carbon dioxide absorbent liquid, filtrate ratio and fertilizer liquid and high concentration solution other than seawater.

The filtrate ratio is waste coffee extract, fermented soybean fermentation, neat liquid fermentation, fermented soybean fermentation, fermented soybean fermentation, molasses, fermented soybeans, fermented soybeans, herbal liquids, eggshell calcium, fermented soybeans, kimchi liquid, milk liquid, microbial liquid, fish Filtrates such as liquid ratio, livestock liquid ratio and other organic liquid ratios.

Fertilizer liquid is a liquid of general chemical fertilizer, UREA, NH ₄ NO ₃ , NH ₄ Cl, Ca (NO ₃ ) ₂ , NH ₄ H ₂ PO ₄ , NaNO ₃ , KNO ₃ , (NH ₄ ) ₂ SO ₄ , KH ₂ PO ₄ , (NH ₄ ) ₂ HPO ₄ , K ₂ SO ₄ , and KCl.

The salt differential power generator 20 is connected to the first and second pipes L1 and L2 to receive a low concentration solution and a high concentration solution, and to generate electricity by using the concentration difference between the low concentration solution and the high concentration solution, Dilute nutrient solution or carbonated water) is discharged and supplied to the crops and microbial culture apparatus 270 of the farm facility (10).

In particular, when supplying the carbon dioxide absorbing liquid as a high concentration solution, the carbon dioxide water in the microbial culture apparatus 270 by controlling a solution suitable for the concentration of microorganisms in the discharge water of the diluted high concentration solution or the discharge water of the concentrated low concentration solution while increasing the amount of electricity generated. Can be supplied as a carbon source. For example, when microorganisms are cyanobacteria, cyanobacteria are absolute photosynthetic photoautotrophs, and carbon dioxide is used as a carbon source. If only a small amount of trace elements is present, nitrogen gas in the atmosphere is fixed to a large amount of biomass material in a short time. Can produce

The salt differential power generator 20 may be a reverse electrodialysis (RED) device. The reverse electrodialysis apparatus includes a cell stack in which cation exchange membranes and anion exchange membranes are alternately arranged, and electrodes (oxidation electrodes and reduction electrodes) disposed at both ends of the cell stack. When a high concentration solution and a low concentration solution are supplied to the cell stack, a potential difference occurs as anions move to the anion exchange membrane side and cations move to the cation exchange membrane side, and electric power is generated by the oxidation / reduction reaction on the electrode. In addition to the oxidation / reduction reaction, capacitive ion desorption and adsorption may be used to make electrons flow in the electrode. In general, the reverse electrodialysis method is a pretreatment for the high concentration and low concentration solution used for salt differential power generation, because the degree of contamination on the membrane surface is lower in principle compared to the pressure delay osmosis method in which water moves through the membrane to produce electricity Energy costs can also be lowered, which has advantages in terms of long-term stability and energy efficiency of salt generation.

The electricity produced by the salinity difference generator 20 is stored in the energy storage unit 30, or stored in the energy storage unit 30 and farm facilities 10, microbial culture apparatus 270 and the central control unit 50. Can be supplied separately. The energy storage unit 30 stores the electricity produced by the salt differential power generator 20, and supplies the sensors 11 and 211 to the electromechanical apparatus 212, the microbial culture apparatus 270, and the central controller 50. Supply electricity. The salt difference generator 20 may generate a sufficient amount of electricity necessary for the operation of the farm facility 10 and the microbial culture apparatus 270 due to the large concentration difference between the low concentration solution and the high concentration solution.

The central controller 50 is electrically connected to the sensors 11 and 211, the electromechanical apparatuses 12 and 212, and the salinity generator 20, and the detection signals of the sensors 11 and 211 are set by a preset program. As a result, the driving of the salt differential generator 20 is controlled. Specifically, the central control unit 50 controls the operation of the first pump (P1) and the second pump (P2) to control the flow rate of the low concentration solution and the high concentration solution supplied to the salt differential power generator 20 precisely or In addition, the operation of the salt differential generator 20 may be turned on / off itself. In addition, the central controller may wirelessly receive big data obtained from various sensors. In addition, the central controller 50 may be an artificial intelligence-based central controller that analyzes the big data of the growing environment and applies it to the control again. In addition, the central control unit 50 may communicate the analyzed and monitored data with the portable control unit 55 of the user.

Highly concentrated solutions are highly concentrated solutions whose concentrations range from 1 wt% to 50 wt%. Therefore, even if the growth raw material discharged in a low concentration state through the salt difference generator 20 may be high in concentration to supply directly to the crop or microorganism. In this case, the growth material should be diluted and supplied. The growth raw material dilution supply unit 60 may include a third pipe L3 connected to the salt differential power generator 20 and the farm facility 10, a concentration meter 61 installed at the third pipe L3, and a three-way valve ( 62 and a fourth pipe L4 connected to the second outlet OP2 and the second pipe L2 of the three-way valve 62.

The three-way valve 62 has an inlet IP into which the growth raw material solution flows, a first outlet OP1 facing the farm facility 10, and a second outlet OP2 connected to the fourth pipe L4. Include. The three-way valve 62 opens one of the first outlet OP1 and the second outlet OP2 according to the measurement result of the concentration meter 61 to control the supply direction of the growth raw material solution.

For example, the central controller 50 is set in advance the optimum concentration range for each crop or microorganism, the concentration measuring unit 61 measures the concentration of the growth raw material flowing through the third pipe (L3) to center the measurement signal It can output to the processing apparatus 50.

The central controller 50 may compare the measurement signal with the setting range and open the first outlet OP1 of the three-way valve 62 when the measurement signal satisfies the setting range so that the raw material may be supplied to the crop or microorganism. have. Meanwhile, when the measurement signal does not satisfy the setting range, the central controller 50 may open the second outlet OP2 of the three-way valve 62 to transfer the growth raw material to the second pipe L2. The growth raw material transferred to the second pipe L2 is mixed with the high concentration solution and supplied again to the salt differential power generator 20.

On the other hand, in the step of culturing a large amount of microorganisms in the microbial culture apparatus 270, the temperature of the microbial culture apparatus 270, the concentration of carbonated water, the concentration of other nutrients to the central control device 50 through the sensor 211. Delivered. The artificial intelligence-based central controller 50 analyzes the growth environment big data transmitted from the sensor 11 to analyze the optimum environment and the optimal operating conditions, and based on this, the electromechanical which is the operating system of the microbial culture apparatus. The device 212 is controlled to maintain optimum conditions of microbial culture while consuming minimal energy.

Then, after sensing the amount of microorganisms produced in the microorganism culture apparatus 270 through the sensor 211 and the result is transmitted to the central control unit 50, the central control unit 50 determines the value of the amount of microorganisms. Determine if it is exceeded. When the amount of the microorganism exceeds a predetermined value, the central controller 50 controls the opening of the drain valve device of the electromechanical apparatus 212 to move the microbial culture medium to the useful resource recovery device 280. The useful resource recovery device 280 is a device for collecting only the microorganisms in the microbial culture, and may collect the microorganisms suspended in the culture, or use a filtering method, such a process may be automated. The collected microorganisms can be finally processed into useful resources through bio-refinery technology. Useful resources can be medicines 292, foods 294, and various services 296 (services such as hair care, skin care, appearance enhancement, etc.) using microorganisms.

That is, by utilizing the salt differential power generation by the reverse electrodialysis apparatus, it is possible to supply the nutrients necessary for the growth of microorganisms (microalgae) and to recover energy. In other words, the system can supply itself with the energy required to drive the sensors required to monitor the growth environment of microorganisms (microalgae). This type of energy supply enables the microbial (microalgae) growth system to be operated by a distributed power source, reducing the effort of connecting to a separate power grid, and by adjusting the microbial (microalgae) growth system organically for optimum conditions. It can enable the mass production of microorganisms (microalgae) while maintaining the Using the microorganisms (microalgae) produced in this way it is possible to mass-produce anti-aging new drugs or dietary supplements. As a result, it is possible to produce economically using waste resources to produce expensive and useful resources.

As in the first embodiment, the smart farm system 200 can be generated at the same time by using the salt differential power generation device consisting of a reverse electrodialysis device to convert waste resources into energy and simultaneously produce growth materials used for the growth of crops and microorganisms. ) Can achieve energy independence by avoiding and aversive facilities, effectively control the growth of crops and microorganisms, and complete the virtuous cycle of waste. In other words, it can be applied to smart farm franchise projects, eco-friendly cities, anti-aging functional cities, large-scale eco-friendly water-energy-waste independent smart cities, and large-scale eco-friendly water-energy-food independent smart cities. .

6 shows a smart farm system according to a third embodiment of the present invention.

Referring to FIG. 6, the smart farm system 300 according to the third embodiment includes a power generation / communication integrated salinity generating device 320 for real time monitoring of crop growth in the farm facility 10.

When the fresh water in the stand-alone saline generator 320 is introduced into the fresh water 341 contained in the capsule 340 and at least one selected from the group consisting of filtered wastewater, food waste acid fermentation broth, carbon dioxide absorbent, filtrate ratio and fertilizer liquid At 320 the growth raw material is generated at the same time as power generation. In particular, diluent fertilizer solutions are produced when filtrate or fertilizer solutions are used.

The electricity generated by the standalone salinity generator 320 is transmitted to the sensor 11 installed for each crop and the sensor 311 installed on the salinity generator 320. The sensor 11 installed in the crop is a sensor for monitoring in real time the growth status (physiological activity, physiological disorders, etc.) for each crop, and the sensor 311 installed in the salt difference generating device 320 is located in the farm facility 10. It is a sensor to monitor the environment (temperature, humidity, carbon dioxide concentration, solar radiation, water temperature, pH, etc.) in real time.

When the information collected by the crop sensor 11 is transmitted to the artificial intelligence-based central control unit 50 through wired or wireless communication, the growth state of the cultivated crops is analyzed through the big data based analysis in the central control unit 50. , Yield and harvest time can be accurately predicted and controlled, and analyzing the environmental information collected from the sensors installed in the salinity difference generator 320 and based on the electromechanical apparatus 12 installed in the farm facility 10 By controlling and operating the environment in the farm facility (10) optimized for the growth of crops.

And, all the information delivered to the central control unit 50 can be delivered to the mobile terminal 55 so that the user can check at any time.

Dilution fertilizer generated in the standalone salinity generator 320 may be automatically supplied according to the osmotic pressure of the soil or hydroponic cultivation.

According to the smart farm system according to the third embodiment, the sensors 11 and 211 of the plant growth monitoring system may be operated by using the salinity generator 320 as an independent power source without being connected to an external power source. Therefore, it can be effectively applied to large farms.

7 shows a smart farm system according to a fourth embodiment of the present invention. Referring to FIG. 7, the smart farm system 400 according to the fourth embodiment includes a farm facility 10 in which crops are grown, a large scale salinity solar power generation system 420, and an energy storage system 30 for storing electricity. And a central control unit 50.

The large capacity salinity solar energy combined cycle power generation system 420 includes a large capacity salinity solar energy combined cycle power generation apparatus 1001, 1002, or 1003, a first solution source 2100, and a second solution source 2200. The large capacity salinity solar energy generating apparatus 1001, 1002, or 1003 will be described in detail with reference to FIGS. 8 to 22. The first solution source 2100 may be fresh water, and the second solution source 2200 may be a high concentration brine layer (about 80 ° C., 30 wt% saturated convective layer) that is the bottom layer of the solar pond. However, these are merely representative of the most representative of the source and the second solution source (2200) is a high concentration solution used in the first to second embodiments, filtration waste water, food waste acid fermentation broth, carbon dioxide absorbent (1.3-50.0 wt%) , Filtrate ratio, fertilizer solution (1.0 ~ 50.0wt%), saline (7.0wt% or more) may be included at least any one or more selected from these.

The solution discharged due to the low concentration in the large-sized salinity solar energy combined cycle power generator 1001, 1002, or 1003 is returned to the first solution source 2100, and the solution discharged is the second solution source 2200. It is transported to the intermediate layer of (a layer with non-convective properties divided over a depth of about 1m up to 23wt% density).

Large capacity salinity solar energy combined cycle power generation apparatus (1001, 1002, 1003) is produced by using electrical power generation and at this time, by supplying hot water produced by reverse electrodialysis (RED) device, reverse electrodialysis (RED ) Salinity difference that enables simultaneous generation of photovoltaic and solar power and salinity generation, which can produce electrochemical potential energy generated during operation of the device more efficiently, that is, the separation and movement of ions occurs smoothly and improve electricity production. It relates to a solar energy combined cycle device.

8 and 9 are a perspective view and a side view of a first embodiment of the salt differential solar energy combined cycle generator, and FIG. 10 is a first solution inlet and a first inflow member of the first embodiment of the salt differential solar power generation apparatus Figure 11 is an exploded perspective view and a rear view, Figure 11 is an exploded perspective view of a first embodiment of the salt differential solar energy combined cycle apparatus, Figures 12 and 13 are a perspective view and a schematic diagram for explaining the salt differential generation unit.

As shown in FIG. 8 to FIG. 13, a first embodiment 1001 of a salt differential solar energy combined cycle power generation apparatus includes a solar cell panel 1010 and a salt differential power generation unit 1020.

The solar cell panel 1010 includes a first surface 1011 having a light receiving portion and a second surface 1012 opposite to the first surface 1011. Here, the light receiving portion of the first surface 1011 refers to a region in which the solar cell panel receives light to produce electricity.

In particular, referring to FIG. 10B, at least some regions of the second surface 1012 may further include a heat dissipation member 1013. The heat dissipation member 1013 may be formed to have a structure for widening a heat dissipation area in order to increase heat dissipation efficiency. For example, the heat dissipation member 1013 may have a fin or heat five structure that protrudes from the second surface 1012. It is not limited.

Also, the salt differential power generation unit 1020 may generate electricity through the salt differential power generation by introducing the first solution and the second solution. The first and second solutions are supplied from a first solution source (see 2100 in FIG. 7) and a second solution source (see 2200 in FIG. 7), respectively.

More specifically, referring to FIGS. 11 to 13, the salt differential power generation unit 1020 includes a first solution inlet port 1210 and an outlet port 1211, a second solution inlet port 1212, and an outlet port 1213. ) Includes a housing 1200. The housing 1200 is disposed in the housing and includes an anode electrode 1220 and a plurality of ion exchange membranes 1240 arranged between the cathode electrode 1230 and the anode electrode 1220 and the cathode electrode 1230 disposed at predetermined intervals. do.

The plurality of ion exchange membranes 1240 are arranged to partition the first flow path 1241 through which the first solution flows and the second flow path 1242 through which the second solution flows between the anode and cathode electrodes 1220 and 1230. Can be.

Here, the plurality of ion exchange membranes 1240 may include a cation exchange membrane (C) and an anion exchange membrane (A), and the cation exchange membrane (C) and the anion exchange membrane (A) may be alternately disposed. Accordingly, a plurality of first flow paths 1241 and second flow paths 1242 may be formed in the housing 1200 in which a plurality of ion exchange membranes are arranged.

More specifically, the housing 1200 of the salt differential power generation unit 1020 according to the first embodiment of the present invention, the first solution inlet port 1210, the second solution inlet port 1212 and the first solution outlet port 1211 and second solution outlet ports 1213 are provided with first to fourth frames 1201,1202,1203,1204, respectively.

In addition, fifth and sixth frames 1205 and 1206 are provided to surround the anode and cathode electrodes 1220 and 1230, respectively.

Referring to FIG. 11, the housing 1200 may be formed of, for example, a hexahedron, and the first to fourth frames 1201, 1202, 1203, and 1204 may form side surfaces of the housing 1200. The six frames 1205 and 1206 may form an upper surface and a lower surface, respectively.

More specifically, the first frame 1201 may include a first solution inlet port 1210. In addition, the second frame 1202 may include a second solution inlet port 1212. In addition, the third frame 1203 may include a first solution outlet port 1211. In addition, the fourth frame 1204 may include a second solution outlet port 1213. Here, the first to sixth frames may be connected to each other to form the housing 1200.

In addition, the fifth and sixth frames are sealing gaskets provided to prevent first and second solutions flowing through the first and second flow paths 241 and 242 provided between the fifth and sixth frames 1205 and 1206. 1270 may further include each.

In addition, the third frame 1203 may further include an electrolyte inlet port and an outlet port 1271 and 1272 for supplying and discharging the electrode solution, that is, the electrolyte, to the anode and cathode electrodes 1220 and 1230. have.

Here, an electrolyte source (not shown) for supplying the electrolyte may be further included.

In addition, the third frame 1203 may further include an electrode 1273 as an electrical collector produced by the anode and cathode electrodes 1220 and 1230.

Accordingly, the electrode 1273 may be provided on the bottom and the bottom of the third frame 1203 so as to be connected to the anode and the cathode electrodes 1220 and 1230, respectively.

In particular, the electrode 1273 is formed to protrude to the outside of the third frame 1203, thereby supplying the produced electricity to the outside.

Meanwhile, referring to FIG. 9, the housing 1200 includes a first solution inlet 1250 for fluidly connecting the first solution inlet port 1210 and the first flow path 1241.

In addition, the first solution inlet 1250 may be provided to exchange heat between the first solution introduced and the second surface 1012 of the solar cell panel.

More specifically, at least one surface of the first solution inlet 1250 of the present invention that forms the space S into which the first solution is introduced may be the second surface 1012 of the solar cell panel 1010.

The first frame 1201 having the second surface 1012 and the first solution inlet port 1210 of the solar cell panel 1010 may be provided to be interconnected to form a space S into which the first solution is introduced. Can be.

In particular, the first frame 1201 may be abutted along an edge circumferential region of the second surface 1012, and may be formed to have a predetermined thickness T to form a space S into which the first solution flows. Can be.

Therefore, when the first solution is introduced into the first solution inlet 1250, the first solution may contact the second surface 1012 of the solar cell panel.

That is, when the first solution is introduced into the first solution inlet 1250 through the first solution inlet port 1210, the first solution is in contact with the second surface 1012.

Since the temperature of the second surface 1012 of the solar cell panel is increased due to the light received from the light receiving unit of the first surface 1011 of the solar cell panel, the heat is exchanged with the first solution introduced as described above. Cooling the solar cell panel 1010 has the effect of increasing the performance of the solar cell panel 1010.

Accordingly, the temperature of the first solution introduced as described above is increased by the second surface 1012 of the solar cell panel.

The first solution whose temperature is higher than the first solution introduced first may flow into the first flow path 1241.

As a result of the contact, convection may occur at the first solution inlet 1250 due to the temperature difference between the first solution and the second surface 1012.

Meanwhile, the salt differential power generation unit 1020 of the present invention distributes the first solution introduced into the first solution inlet 1250 into the first flow path 1241, and the first solution passes through the second flow path 1242. The first inflow member 1260 is provided to be uniformly distributed to the entire plurality of ion exchange membrane (1240) without being introduced into).

More specifically, the first inflow member 1260 may be provided between the first solution inflow portion 1250 and the plurality of ion exchange membranes 1240.

The first inflow member 1260 may have a plurality of holes having a predetermined size formed to allow the first solution to flow through the first flow path.

For example, the first inflow member 1260 may be a porous plate, but is not limited thereto.

In particular, the first inflow member 1260 includes a first porous plate 1261 having a plurality of first holes 1261a and a second hole 1242a having a smaller size than the first holes 1261a. The porous plate 1262 is included.

That is, the first hole 1261a has a larger hole size than the second hole 1262a.

Based on the first solution inlet 1250, the first porous plate 1261 and the second porous plate 1262 may be sequentially disposed.

As described above, the first solution passes through the first hole 1261a having a larger size, and then passes through the second hole 1262a of the smaller hole, thereby quickly and uniformly providing the first solution with the first flow path ( 1241).

Here, the first inflow member 1260 includes the first porous plate and the second porous plate as described above, but is not limited thereto, and may include only the first porous plate and add a third porous plate. It should be understood that it may include.

On the other hand, due to the salt difference between the first solution and the second solution flowing through the first flow passage 1241 and the second flow passage 1242 of the present invention, the ionic material contained in the second solution is a plurality of ion exchange membrane (1240) Can selectively move) to produce electricity.

More specifically, referring to FIG. 13, the first solution introduced from the first solution inlet 1250 and the second solution introduced through the second solution inlet 1212 may be formed in the first and second flow paths, respectively. 1241, 1242), the ionic material, i.e., cationic material and anionic material, contained in the second solution having a higher salt concentration than the first solution causes the cation exchange membrane (C) and the anion exchange membrane (A) to flow. As the selective passage passes, a potential difference occurs, and an oxidation reaction and a reduction reaction occur at the anode electrode and the cathode electrode 1220 and 1230, respectively, and a flow of electrons is generated to produce electricity.

For example, the cationic material may be sodium ions (Na +), and the anionic material may be chlorine ions (Cl −), but is not limited thereto.

Referring to FIG. 12B, the plurality of ion exchange membranes 1240 further include a spacer 1243 and a gasket 1244 for forming the first flow path 1241 and the second flow path 1242. It may include.

The spacers and gaskets 1243 and 1244 may be provided in the plurality of cation exchange membranes C and the anion exchange membrane A, respectively.

As shown in FIG. 12A, a cation exchange membrane C and an anion exchange membrane A including spacers and gaskets 1243 and 1244 are formed between the anode and cathode electrodes 1220 and 1230 formed at both ends. By alternately stacking and arranging, first and second flow paths 1241 and 1242 can be formed.

14 and 15 are a perspective view and a side view of a second embodiment of the salinity solar composite power plant, and FIG.

Referring to FIGS. 14 and 15, a second embodiment 1002 of the salt difference solar energy composite power generation apparatus includes a first solution inlet 1250 and a first inlet member (1250) to deliver a first solution to a first flow path. It may further include a first connection passage 1280 for fluidly connecting the 1260.

More specifically, as described above, after the first solution introduced into the first solution inlet 1250 contacts the second surface of the solar cell panel 1010, the temperature is raised to increase the first connection flow path 1280. It may flow into the first flow path (1241) through).

As illustrated in FIG. 16, when the first solution inlet 1250 includes the first connection passage 1280, the first inlet 1250 may be provided to be in contact with the fifth frame 1205.

Accordingly, the first frame 1201 may be provided to be in contact with one side surface of the second to fourth frames 1202, 1203, and 1204.

Referring to FIGS. 8 to 16, a process of producing electricity by using the first and second embodiments 1001 and 1002 of the salt difference solar energy power generator is as follows.

First, as shown in FIGS. 8 and 14, when sunlight is incident on the first surface 1011 having the light receiving portion of the solar cell panel 1010, electricity is produced by the incident sunlight.

At this time, as the electricity is produced, the temperature of the first surface 1011 is increased by sunlight incident on the first surface 1011, and the temperature of the second surface 1012 is increased by the conduction. .

The first solution introduced into the first solution inlet 1250 through the first solution inlet 1210 is in contact with the second surface 1012 whose temperature is elevated as described above, and the first solution in contact The temperature rises.

That is, as the solar cell panel 1010 is cooled by the first solution, efficiency is improved in producing electricity using sunlight.

As described above, the first solution having the elevated temperature is introduced into the first flow path 1241 through the first inflow member 1260.

As described above, when the first solution flows into the first flow path 1241, the second solution flows into the second flow path 1242 through the second solution inflow port 1212.

The first and second solutions introduced as described above flow through the first and second flow paths 1241 and 1242, and electricity may be produced by the salt concentration difference between the first and second solutions.

That is, as the cationic material and the anionic material contained in the second solution having a higher salt concentration than the first solution selectively move the cation exchange membrane (C) and the anion exchange membrane (A), a potential difference is generated and electricity is produced. Can be.

Referring to FIG. 17, by flowing the first solution having the temperature increased as described above into the first flow path 1241, the moving speed of the ionic material of the second solution is increased, thereby improving power production. In the experiment, the high concentration solution was supplied with NaCl salt simulation solution corresponding to 3.5 wt.% Of seawater, and the low concentration solution was supplied with 100 cc / min NaCl salt simulation solution corresponding to 0.005 wt.% Of fresh water. The separator used was KIER separator manufactured by Korea Institute of Energy Research. From the results, it was found that the output density improvement due to the temperature rise on the low concentration solution side was greater than the temperature rise on the high concentration solution side. This is because when the differential power generation is combined with the solar panel, when the high concentration solution or the low concentration solution supplied to the salt differential power generation is applied to the cooling of the solar panel, in order to overcome the performance reduction caused by the temperature rise of the solar panel, It is shown that using a low concentration solution rather than a high concentration solution can be more advantageous (in terms of improving output). In addition, when considering the stability of the solar panel (surface stability such as corrosion by salt), the performance improvement by cooling the solar panel using a low concentration solution rather than a high concentration solution, and the performance according to the temperature rise of the salt generation source It is judged that it is advantageous to plan all the improvements. Referring to FIG. 17, in the case of generating power as described above, the power generation output of about 20% or more may be increased compared to a general reverse electrodialysis generator.

As shown in FIG. 17, when the first solution having a temperature of 20 ° C. was introduced into the first flow path 1241, the maximum power density was measured at 1.4 (W / m ² ) per unit area of the ion exchange membrane, but as in the present invention. When the temperature was increased to introduce the first solution having the temperature of 50 ° C., the maximum power density was measured to be 1.7 (W / m ² ) per unit area of the ion exchange membrane. That is, it was confirmed that the power density is increased as described above.

After the electricity is produced as described above, the first and second solutions may be discharged to the respective outlet ports 1211 and 1213.

18 and 19 are a perspective view and a side view of a third embodiment 1003 of the salinity solar energy combined cycle power generation apparatus, and FIGS. 20 to 22 are views illustrating a third embodiment 1003 of the salt difference solar energy combined cycle power generation apparatus. Are perspective views shown for the sake of brevity.

The third embodiment 1003 of the salt difference solar energy composite power generation apparatus includes one additional solar cell panel in the salt difference solar energy hybrid power generation apparatus 1001, 1002 according to the first and second embodiments described above. The configuration is shown.

Therefore, hereinafter, the same components and operations of the above-described salt difference solar energy combined cycle apparatus 1001 and 1002 will be omitted.

First, referring to FIG. 18, a third embodiment 1003 of a salt differential solar energy power generation device includes a first surface 1011 having a first light receiving unit and a second surface 1012 opposite to the first surface. It includes a first solar cell panel 1010 having a.

In addition, the second solar cell panel 1100 includes a first surface 1110 having a second light receiving unit and a second surface 1120 opposite to the first surface.

In addition, the first solution and the second solution flows into the salt differential power generation unit 1020 for producing electricity through the differential power generation.

More specifically, the salt differential power generation unit 1020 includes a housing 1200 having first solution inlet and outlet ports 1210 and 1211, second solution inlet and outlet ports 1212 and 1213.

In addition, a first flow path 1241 disposed in the housing 1200 and including anode and cathode electrodes 1220 and 1230 spaced apart from each other and having a first solution flowing between the anode and cathode electrodes 1220 and 1230. And a plurality of ion exchange membranes 1240 arranged to partition the second flow path 1242 through which the second solution flows.

Here, the plurality of ion exchange membrane 1240 includes a cation exchange membrane (C) and an anion exchange membrane (A).

In addition, the housing 1200 may include a first solution inlet 1250 for fluidly connecting the first solution inlet port 1210 and the first flow path 1241 to each other.

In particular, the first solution inlet 1250 is heat exchanged between the first solution and the second surface 1012 of the first solar cell panel 1010 along the flow direction of the first solution, and in turn, the first solution The heat exchange may be provided between the solution and the second surface 1120 of the second solar cell panel 1100.

Here, the first solution inlet 1250 may include a first inlet 1251 connected to the first solution inlet 1210 and a second inlet connecting the first inlet 1251 and the first flow path 1241. 1125.

That is, when the first solution flows into the first inlet 1125, the first solution contacts the second surface of the first solar cell panel and then flows into the second inlet 1252 along the flow direction of the first solution. 2 may contact the second surface 1120 of the solar cell panel 1100.

Here, the flow direction of the first dragon may flow along the longitudinal direction of the first inlet, and then may flow into the second inlet 1252.

The second inlet may include an inlet port 1253 through which the first solution flowed from the first inlet is introduced.

Therefore, the first solution may be introduced into the second inlet 1252 through the inlet port 1253 after being introduced into the first inlet.

In addition, the first and second solar cell panels may further include a heat dissipation member 1013 provided in at least some regions of the second surfaces 1012 and 1120, respectively.

In addition, the salt differential power generation unit 1020 is disposed in the second inflow portion 1252, and distributes the first solution to the first flow path, and is provided to prevent the first solution from flowing into the second flow path. And further includes an inflow member 1260.

In addition, by the salt difference between the first solution and the second solution flowing through the first flow passage 1241 and the second flow passage 1242, the ionic material included in the second solution selectively moves the plurality of ion exchange membranes. Can produce electricity

Meanwhile, the temperature of the first solution may be increased by the second surfaces 1012 and 1120 of the first and second solar panels, respectively, in the first and second inlets 1251 and 1252.

More specifically, the first inlet 1125 may have at least one surface forming the space S1 into which the first solution is introduced, which may be the second surface 1012 of the first solar cell panel.

In addition, at least one surface of the second inflow part 1252, which forms a space S2 into which the first solution is introduced, may be the second surface 1120 of the second solar cell panel.

Therefore, the temperature of the first solution introduced into the first solution inlet port 1210 may be in contact with the second surface 1012 of the first solar cell panel, which is at least one surface of the first inlet 1251. .

As described above, the first solution having the elevated temperature is introduced into the second inlet 1252 through the inlet port 1253, so that the second surface of the second solar cell panel that is at least one surface of the second inlet 1252 ( The temperature may be raised once more in contact with 1120.

As described above, the first solution having the elevated temperature is introduced into the first flow path so that the salt differential power generation can be performed more efficiently.

At this time, each of the first and second solar cell panels 1010 and 1100 cooled by the first solution introduced as described above may improve the electricity production efficiency by the cooling effect.

Referring to FIG. 19, a process of producing electricity using the salt difference solar energy composite power generator third embodiment 1003 having the above-described configuration will be described below.

First, when sunlight is incident on the first surface 1011 having the light receiving portion of the solar cell panel 1010, electricity is produced by the incident sunlight.

At this time, as the electricity is produced, the temperature of the first surface 1011 is increased by sunlight incident on the first surface 1011, and the temperature of the second surface 1012 is increased by the conduction. .

The first solution introduced into the first inlet 1251 through the first solution inlet port 1210 comes into contact with the second surface 1012 of the first solar cell panel having the temperature increased as described above. The temperature of the first solution is increased while the temperature of the second surface 1012 is lowered.

That is, as the first solar cell panel 10 is cooled by the first solution, efficiency is improved in producing electricity by using sunlight.

As described above, the first solution having the elevated temperature is introduced into the second inlet 1252 through the inlet port 1253.

At the same time, when sunlight is incident on the first surface 1110 having the light receiving portion of the solar cell panel 1100, electricity is generated by the incident sunlight, and at the same time, electricity is produced and incident on the first surface 1110. The temperature of the first surface 1110 is increased by the sunlight, and the temperature of the second surface 1120 is increased by the conduction.

The first solution introduced into the second inlet 1252 is brought into contact with the second surface 1120 of the second solar cell panel having the elevated temperature as described above, and the first solution contacted causes the temperature to be increased. At the same time, the temperature of the second surface 1120 is lowered.

That is, as the second solar cell panel 1100 is cooled by the first solution, efficiency is improved in producing electricity using sunlight.

The first solution whose temperature is raised as described above passes through the first inflow member 1260 and flows into the first flow path 1241.

As described above, when the first solution flows into the first flow path, the second solution flows into the second flow path 1242 through the second solution inflow port 1212.

The first and second solutions introduced as described above flow through the first and second flow paths 1241 and 1242, and electricity may be produced by the salt difference of the first and second solutions.

That is, as the cationic material and the anionic material of the second solution having a higher salt concentration than the first solution selectively move the cation exchange membrane (C) and the anion exchange membrane (A), a potential difference may occur and electricity may be produced. have.

In particular, by introducing the first solution having a temperature rise as described above to the first flow path (1241), the moving speed of the ionic material of the second solution is increased to improve the power production efficiency.

After the electricity is produced as described above, the first and second solutions may be discharged to the respective outlet ports 1211 and 1213.

The present invention also provides a salt differential solar energy combined cycle system 420.

For example, the salinity solar energy combined cycle system relates to a system using the salinity solar energy combined cycle apparatus described above.

Therefore, the details described in the salt difference solar energy composite power generation apparatus to be described later may be equally applicable to the content described in the salt difference solar energy composite power generation apparatus 1001, 1002, 1003.

20 to 22, the salinity solar energy combined cycle power generation system 420 includes a plurality of the above-described salinity solar energy combined cycle power generation apparatuses 1001, 1002, and 1003.

The apparatus may further include a first solution source 2100 provided to supply a first solution to a first solution inlet port of each salt difference solar power generator.

In addition, a second solution source 2200 is provided to supply a second solution to the second solution inlet port of each of the salt difference solar energy combined cycle power generator.

By using the system configured as described above, it is possible to produce power more efficiently, thereby improving the amount of power produced.

Table 1 below is a chart that calculates the output improvement rate of the combined cycle power system according to the temperature change in the salt differential solar energy combined cycle apparatus described with reference to FIG.

Solar panels Panel size 100X120X10 cm ³ Panel Initial Temperature / Output (Wh) 30 ^o C 180 Temperature / power (Wh) after panel cooling 20 ^o C 190.8 Output improvement (%) 6% Cooling Efficiency (Based on Water) 70% Salt Power Generation High concentration solution
(3.5wt%) Initial temperature (salin inlet temperature) 20 ^o C Outlet temperature 20-25 ^o C flux 12L / min Low concentration solution
(0.005wt.%) Initial temperature 20 ^o C Temperature after passing solar panels
(Salin inlet temperature) 35 ^o C Outlet temperature 25 ~ 30 ^o C flux 12L / min stack size 100X100X20 cm ³ Separator KIER 250 cell electrode Pt-Ti mesh 20 ^o hour output (Wh) 350 50 ^o Hour Output (Wh) 425 Output improvement (%) 21.4%

As shown in Table 1, when the temperature of the low concentration solution is increased from 20 degrees to 50 degrees, the power density of the salt differential power generation is increased from 1.4 to 1.7 W / m ² . When this is applied to the saline stack 100 x 100 x 20 cm ³ (WXLX h) (KIER separator about 250 cell pairs), the output is calculated to increase about 21.4% from about 350 to 425 Wh. On the basis of this, when the salinity solar composite power generation device is configured as shown in FIG. 14, a solar cell panel of about 100 X 120 X 10 cm ³ (WXLX h) can be configured, and cooling efficiency is assumed to be about 70%. When the temperature of the solar panel is cooled from 30 degrees to 20 degrees, the output amount is improved by about 6% from 180 to about 191Wh. According to the present embodiment, when the supply source of the differential power generation is used as the cooling water of the solar cell panel, the performance of both the salt difference and the solar cell power generation is improved. Therefore, it can be seen that it is possible to optimize the control of the generation amount and the performance improvement rate of the hybrid power generation apparatus through engineering design of the hybrid power generation structure with the solar cell panel by controlling the size and supply of the salt differential power generation stack. Represents an integrated system incorporating a smart farm system according to the first to fourth embodiments of the invention.

The smart farm integrated management system 500 according to the present invention includes the salt differential power generator 20 according to the first and second embodiments and the salt differential power generator 320 and the fourth embodiment according to the third embodiment. It may include a third salinity generator 420. These salt differential generators 20, 320, 420 can be used as a distributed power source, the load fluctuations are small, the generated electricity is sensor (11, 211, 311), electromechanical apparatus (12), central control unit (50) Energy independence can be realized.

The information collected through each of the sensors 11, 211, and 311 is transmitted to the central controller 50, and the central controller 50 analyzes the big data of the growth environment based on artificial intelligence and based on the artificial intelligence. To control the growth of crops or microorganisms. Therefore, integrated operation management of smart farms is possible and high value-added smart farms can be implemented.

Further, carbon dioxide absorbing carbon dioxide emitted from the filtration wastewater obtained from the septic tank around the farm facility 10, the food waste acid fermentation liquid obtained from the food waste treatment plant, and the combustion exhaust gas of the combustion exhaust facility as raw materials of the salt differential power generation device 20. Instead of seawater, use waste resources such as carbon dioxide absorbents from the capture plant, filtrates obtained from manure at the barn, or use freshwater from groundwater, tap water, sewage effluent, river water, reservoirs and other agricultural waters. This solves both environmental and energy problems.

Table 2 shows the osmotic pressure by concentration according to the type of fertilizer solution.

1M 2M 3M 4M 5M NH ₄ NO ₃ 37 60 98 125 160 NH ₄ Cl 44 90 140 180 235 Ca (NO ₃ ) ₂ 50 110 170 240 320 NH ₄ H ₂ PO ₄ 40 90 130 160 170 NaNO ₃ 43 75 119 154 196 KNO ₃ 40 60 80 100 105 (NH ₄ ) ₂ SO ₄ 50 100 150 200 230 KH ₂ PO ₄ 40 60 58 55 51 (NH ₄ ) ₂ HPO ₄ 20 50 65 83 102 K ₂ SO ₄ 30 29 28 27 26 KCl 50 80 130 180 230

In the case of KH ₂ PO ₄ solution, as the concentration increases, the osmotic pressure increases and then decreases. In the case of K ₂ SO ₄ solution, the osmotic pressure tends to decrease as the concentration increases. For fertilizer solutions other than KH ₂ PO ₄ solution and K ₂ SO ₄ solution, the osmotic pressure tends to increase as the concentration increases. FIGS. 24 and 25 respectively show high concentration solutions (42) in the smart farm system shown in FIG. The graph shows the energy density and open circuit voltage (OCV) of the salinity generator according to the type and composition of fertilizer.

The concentration of fertilizer solution used in the experiment was 0.5M, and the flow rate of fertilizer and fresh water input to the salt differential power generator is 30cc / min. KNO ₃ fertilizer solution has the highest power density and NaNO ₃ fertilizer has the highest OCV. In all six fertilizers, the power density is above 1.3 W / m ² and the OCV is above 0.9 V.

FIG. 26 is a graph illustrating energy densities according to changes in freshwater flow rate of the salt differential power generator using the chemical fertilizer component of the smart farm system illustrated in FIG. 1.

The fertilizer solution used in the experiment was a 1M KNO ₃ solution, and the flow rate of the fertilizer introduced into the salt differential generator was 30 cc / min. The energy density was measured while changing the flow rate of fresh water introduced into the salt differential power generator to 10 cc / min, 30 cc / min, 50 cc / min, and 70 cc / min. Experimental results show the highest power density in excess of ² W / m ² when the feed flow rate of fertilizer solution and fresh water is the same at 30 cc / min.

FIG. 27 is a graph showing the energy density of the salt power generation apparatus using waste coffee solution as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG. 1.

The fertilizer solution used in the experiment is a fertilizer solution extracted from the coffee waste and has an electrical conductivity of approximately 3 mS / cm. Freshwater used in the experiments is common fresh water and has an electrical conductivity of approximately 0.0053 mS / cm. The flow rate of the fertilizer solution and the fresh water flowed into the salt differential generator are 30 cc / min. As a result of the experiment, the salt differential generator showed an output density exceeding 0.3 W / m ² .

FIG. 28 is a graph showing the energy density of a salt power generation apparatus using KNO ₃ as a fertilizer solution and waste coffee solution as fresh water in the smart farm system shown in FIG. 1.

The fertilizer solution used in the experiment was a 0.5 M KNO ₃ solution and had an electrical conductivity of approximately 55 mS / cm. Fresh water used in the experiments is a solution extracted from coffee waste and has an electrical conductivity of approximately 3 mS / cm. The flow rate of fertilizer solution and fresh water input to the salt power generator is 30 cc / min. As a result of the experiment, the salt difference generator has an output density exceeding 0.04 W / m ² .

FIG. 29 is a graph showing the energy density of a salt power generation apparatus using a liquid fertilizer obtained from pig manure as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG. 1 or 6.

The liquid fertilizer solution used in the experiment has an electrical conductivity of approximately 6 mS / cm. The flow rate of the liquid fertilizer solution and fresh water input to the salt power generator is 10 cc / min. As a result, the salt differential power generator was about 0.2W / m ² when the electrolyte of the electrode was ferri- / ferrocyanide, and the electrode had an output density of about 0.05 W / m ² even when using the fertilizer Potassium nitrate. Indicates.

30 is a graph showing a change in the concentration of carbon dioxide absorbing liquid of the salt power generation apparatus using a carbon dioxide absorbing liquid as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG.

The separator used in the experiment was KIER separator, Fujifilm separator and Fumasep membrane produced by KERI as 5 cell pairs. The flow rates of the high concentration (carbon dioxide absorbent) and the low concentration solution (fresh water) are both 15 cc / min. In the results, the concentration of carbon dioxide absorbent on the high concentration side decreased after the salt differential development, and the width was measured highest in the Fujifilm membrane. In the case of the smallest KIER separator, the output density produced was about 0.02 W / m ² .

FIG. 31 is a graph illustrating a change in the concentration of a fresh water solution of a salt power generation apparatus using a carbon dioxide absorbing liquid as a fertilizer solution and fresh water as fresh water in the smart farm system shown in FIG. 1.

31 shows the increase rate of carbon dioxide in the freshwater side which is a low concentration solution in the experimental conditions of FIG. Fujifilm's membrane growth rate, which had the highest concentration growth rate, was about 30% of the solubility of carbon dioxide that could be dissolved in fresh water.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the range of.

* 100, 200, 300, 400, 500: smart farm system
10: farm facilities 11, 211, 311: sensors
12: electromechanical apparatus 20: salt differential generator
20A: first salinity generator 20B: second salinity generator
30: energy storage 41: low concentration solution supply
42: concentrated solution supply 43: high concentration solution supply
50: central control unit 55: user mobile terminal
60: dilution growth raw material supply 61: concentration meter
62: three-way valve 70: forward osmosis unit
71: semipermeable membrane
270: microbial culture device 280: useful resource recovery device
290: Useful Resources 320: Stand Alone Power Plant
340: capsule
1001, 1002, 1003: large capacity salinity solar energy combined cycle generator
2100: first solution source 2200: second solution source

Claims (11)

Farm cultivation, the farm facility comprising at least one crop cultivation sensor and an electromechanical device for cultivating the crop;
A high concentration solution containing at least one selected from the group consisting of a food waste acid fermentation broth, a carbon dioxide absorbing liquid, a filtrate ratio, and a fertilizer liquid and a low concentration solution having a lower concentration than the high concentration solution are supplied to use a difference in concentration between the high concentration solution and the low concentration solution A salt differential power generation device for generating electricity and discharging the growth raw materials used for growing the crops and supplying the crops to the crops;
A raw material dilution supply unit installed between the salt differential generator and the farm facility, wherein the growth raw material dilution supply unit is connected to the salt differential generator and the farm facility, a concentration meter installed on the pipe, and the concentration meter And a valve including an inlet through which the concentration of the growth raw material is introduced, a first outlet connected to the farm facility, and a second outlet connected to the path of the high concentration solution in front of the salt differential generator, and measuring the concentration meter. If the result satisfies the setting range, the first outlet is opened to supply the growing raw material to the farm facility, and the measurement result of the concentration meter does not satisfy the setting range, and the second outlet is opened to store the growing raw material. A growth material dilution supply unit for mixing with a high concentration solution and feeding it back to the salt differential power generator; And
An energy self-contained smart farm system based on a salt tolerance generator comprising an energy storage system for storing the electricity produced by the salt differential generator and supplying the electricity to the sensor and the electromechanical apparatus. According to claim 1,
Receiving the measurement result of the concentration meter to control the valve,
Receiving and analyzing the information of the sensor to control the operation of the salt differential power generation device further comprises a central control unit for controlling the generation and supply of the electricity and the growth raw material further energy independent smart farm system. The method of claim 1,
An energy self-standing smart farm further comprising an forward osmosis unit including a first flow path and a second flow path separated by a semi-permeable membrane at a front end or a rear end of the salt differential power generator, and wherein water moves by osmotic pressure through the semi-permeable membrane. system. According to claim 1,
Further comprising a microbial culture apparatus comprising at least one sensor for sensing information for microbial culture and an electromechanical apparatus for adjusting the culture environment of the microorganism based on a signal transmitted from the sensor,
The first outlet is connected to the farm facility and the microbial culture apparatus,
When the measurement result of the concentration meter satisfies the set range, the energy-independent smart farm system for supplying the growth material to the farm facility and / or the microorganism culture device by opening the first outlet. The method of claim 4, wherein
The high concentration solution is a carbon dioxide absorbing liquid,
The growth raw material supplied to the microbial culture apparatus is carbonated water energy independent smart farm system. Farm cultivation, the farm facility comprising at least one crop cultivation sensor and an electromechanical device for cultivating the crop;
A high concentration solution containing at least one selected from the group consisting of a food waste acid fermentation broth, a carbon dioxide absorbing liquid, a filtrate ratio, and a fertilizer liquid and a low concentration solution having a lower concentration than the high concentration solution are supplied to use a difference in concentration between the high concentration solution and the low concentration solution A salt differential power generation device for generating electricity and discharging the growth raw materials used for growing the crops and supplying the crops to the crops;
A large-capacity salinity generator for generating electricity by receiving any one of the high concentration saline solution and the high concentration solution and the low concentration solution; And
An energy storage system for storing electricity generated by the salt differential generator and the large capacity salt differential generator and supplying the electricity to the sensor and the electromechanical apparatus,
The large capacity salt difference generator
A solar cell panel having a first surface having a light receiving portion and a second surface opposite to the first surface; And
A first solution consisting of the low concentration solution and a second solution consisting of any one of the high concentration brine and the high concentration solution is introduced into a salinity difference generation unit for producing electricity through the salinity difference generation,
The salinity difference power generation unit includes a housing having a first solution inlet port and an outlet port, a second solution inlet port, and an outlet port;
An anode and a cathode disposed in the housing and spaced apart from each other by a predetermined distance; And
A plurality of ion exchange membranes arranged to partition a first flow path through which the first solution flows and a second flow path through which the second solution flows between the anode and the cathode electrode;
The housing has a first solution inlet for fluidly connecting the first solution inlet port and the first flow path,
The first solution inlet is an energy-independent smart farm system provided to heat exchange between the first solution introduced into the second surface of the solar cell panel. The method of claim 6,
Further comprising a raw material dilution supply unit installed between the salt differential generator and the farm facility,
The growth raw material dilution supply unit is connected to the salinity difference generator and the farm facility, the concentration meter installed in the pipe, the inlet through which the growth raw material measured concentration in the concentration meter flows, the first connected to the farm facility A valve including a second outlet connected to a path of the high concentration solution in front of an outlet and the salt differential generator,
When the measurement result of the concentration meter satisfies the setting range, the first outlet is opened to supply the growth raw material to the farm facility, and the measurement result of the concentration meter does not satisfy the setting range, and the second outlet is opened. Energy self-supporting smart farm system for mixing the growth raw material with the high concentration solution and supplied back to the salt differential generator. The method of claim 7, wherein
Receiving the measurement result of the concentration meter to control the valve,
Receiving and analyzing the information of the sensor to control the operation of the salt differential power generation device further comprises a central control unit for controlling the generation and supply of the electricity and the growth raw material further energy independent smart farm system. The method of claim 6,
Further comprising a microbial culture apparatus comprising at least one sensor for sensing information for microbial culture and an electromechanical apparatus for adjusting the culture environment of the microorganism based on a signal transmitted from the sensor,
The first outlet is connected to the farm facility and the microbial culture apparatus,
When the measurement result of the concentration meter satisfies the set range, the energy-independent smart farm system for supplying the growth material to the farm facility and / or the microorganism culture device by opening the first outlet. The method of claim 9,
The high concentration solution is a carbon dioxide absorbing liquid,
The growth raw material supplied to the microbial culture apparatus is carbonated water energy independent smart farm system. The energy self-supporting smart farm system of claim 6, wherein the second solution is a solution supplied from the bottom layer of the solar pond.

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