JP5377761B2 - Green algae-preventing water circulation system using sunlight - Google Patents

Abstract

Provided is a water circulation device. The water circulation device comprises: a corrugated draft tube including a main body which has a hollow cylindrical shape, and which is arranged in a water area, a main inlet port which is formed in a lower end of the main body to enable water stagnating in a lower layer of the water area to be fed therethrough, a plurality of sub-inlet ports which are formed at a side wall of the main body to enable water adjacent to the side wall to be fed therethrough; and a diffusion portion formed on the top of the main body to discharge the fed water to an upper layer of the water area adjacent to the top of the main body. Water fed into the draft tube is discharged to the upper layer of the adjacent water area via the diffusion portion by an impeller which rotates in a predetermined direction by means of a driving motor. Thus, water in the water area circulates in an efficient manner, and the formation of a dead zone is prevented.

Description

  The present invention relates to a water circulation device and a buoyancy adjustment method for the device, and more particularly to a water circulation device capable of circulating water accumulated in a lower part of a water area and a buoyancy adjustment method for the device.

  When living sewage and manure containing organic matter flows excessively into rivers, lakes, rivers, or seas, microorganisms decompose excessive amounts of organic matter, resulting in an eutrophication phenomenon that increases nutrients in the water area.

  In other words, when a large amount of organic matter or salts exceeding the self-cleaning capacity flows into rivers or the sea, the water area becomes rich in nutrient salts such as degradation products or secondary products, which causes the growth of aquatic plants and green algae. As a result, biological oxygen demand (Biochemical Oxygen Demand, BOD) increases, and underwater organisms such as fish cannot live due to insufficient oxygen in the water.

  In particular, when the temperature rises, the stratification phenomenon becomes violent, and oxygen is hardly transmitted from the surface of the lake to the bottom of the lake. Thereby, the amount of dissolved oxygen in the bottom layer of the lake is reduced to 1 mg / L or less, and as a result, the destruction of the ecosystem is further deteriorated. Therefore, there is a need for a device for improving the quality of eutrophied water.

  An object of the present invention is to provide a water circulation device capable of improving the water quality of a water area by efficiently circulating water in the water area.

  Another object of the present invention is to provide a buoyancy adjustment method for adjusting the buoyancy of a water circulation device.

  In order to achieve the above object, a water circulation device according to the present invention has a hollow cylindrical shape, and is provided in a body located in a water area, and provided at a lower end of the body, and receives an inflow of water stagnated in a bottom layer of the water area. A main inlet, a plurality of sub-inlets provided on the sidewall of the fuselage for receiving inflow of water in the water area adjacent to the sidewall, and provided at an upper end of the fuselage. A corrugated draft tube comprising a diffusing portion that discharges to an upper layer of an adjacent water area; water provided in the corrugated draft tube through the main inlet and the sub inlet, An impeller that rotates so as to be discharged to an upper layer of an adjacent water area; a drive motor that rotates the impeller; and a side wall of a body of the corrugated draft tube; Comprising; air sparge tube supplying to.

  Meanwhile, the plurality of sub-inlets may be provided along a sidewall of the corrugated draft tube body, and the diameter of the plurality of sub-inlets may increase from the upper layer of the water area to the bottom layer of the water area.

  The body may have a cylindrical shape, and the plurality of sub inlets may be disposed along a circumferential direction of the body.

  Meanwhile, the corrugated draft tube may further include a guide protrusion provided on the upper surface of the diffusing portion and configured to guide in a rotating direction of water discharged through the diffusing portion.

  The discharge port of the air diffuser for discharging the air may be located on the main inlet side of the draft tube.

  Meanwhile, the water circulation device may further include an air bubble generating unit that receives an inflow of air discharged from the discharge port of the air diffuser and generates an air bubble.

  The water circulation device may further include a floating portion that provides buoyancy to the water circulation device, and a water inlet for adjusting buoyancy may be disposed in the floating portion.

  On the other hand, the present water circulation device can adjust the buoyancy according to the amount of water injected into the water inlet.

  The air diffuser may be arranged along an outer wall or an inner wall of the body of the corrugated draft tube.

  In the buoyancy adjustment method in the water circulation device for achieving the above object, the water circulation device has a hollow cylindrical shape, is provided in a body located in a water area, and is provided at a lower end portion of the body, and stagnates in a bottom layer of the water area. A draft tube comprising at least one main inlet for receiving inflow of water, and a diffusion section provided at an upper end of the body and discharging the inflowed water to an upper layer adjacent to the upper end of the body; An impeller provided in the corrugated draft tube and rotating so that water flowing in through the main inlet and the sub inlet is discharged to an upper layer of an adjacent water area at an upper end of the body; and provides buoyancy And the buoyancy can be adjusted by adjusting the amount of water injected into the floating part.

  As described above, according to the water circulation device of the present invention, by providing a plurality of sub-inlets that are provided on the side wall of the corrugated draft tube and allow water in a dead zone where water in the water area does not circulate to flow into the body, The formation of dead zones in the water area can be prevented, and the water quality of the water area can be improved efficiently.

  In addition, by mixing the water in the bottom layer with insufficient oxygen and the water flowing in from the side, the adverse effects on the water area due to the oxygen-deficient water can be minimized, and the water flowing in from the bottom layer and the side surface It can be diffused widely to the upper layer.

  Also, by supplying air directly to the anoxic layer at the bottom of the water area, the amount of dissolved oxygen in the bottom layer is greatly increased, and by supplying air into the corrugated draft tube in the form of bubbles, the water in the draft tube is increased. The upper layer speed becomes slow, and the water flowing in through the draft tube can be supplied with oxygen for a sufficient time. That is, instead of simply circulating water, the required dissolved oxygen amount can be supplied to the water area within a short time by continuously supplying air to the water while moving from the bottom layer to the upper layer of the water area. .

  Moreover, according to the method for adjusting the buoyancy of the water circulation device of the present invention, the height adjustment of the water circulation device with respect to water can be easily set and maintained.

It is a figure which shows the water circulation apparatus which concerns on one Embodiment of this invention. It is a side view of the corrugated draft tube shown in FIG. It is a top view of the spreading | diffusion part shown in FIG. It is a figure which shows the water circulation apparatus which concerns on other embodiment of this invention. It is a figure which shows the structure of the diffuser tube which concerns on one Embodiment of this invention. It is a figure which shows the structure of the diffuser tube which concerns on other embodiment of this invention. It is sectional drawing of the air bubble production | generation part which concerns on one Embodiment of this invention. It is a figure which shows the water circulation apparatus which concerns on other embodiment of this invention. FIG. 9 is provided to explain the embodiment of FIG. FIG. 9 is provided to explain the embodiment of FIG. It is a figure provided in order to demonstrate the spreading | diffusion part which concerns on one Embodiment of this invention. It is a figure provided in order to demonstrate the mechanical and / or electrical / electronic functional block used for the water circulation apparatus concerning one embodiment of the present invention.

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

  In describing the specific embodiments below, various features have been created to further illustrate the invention and to enable those skilled in the art to understand it. Those skilled in the art to the extent that they can understand the present invention can recognize such various characteristic contents and equivalents. In some cases, when describing the invention, it should be noted in advance that well-known parts that are not significantly related to the invention are not described in order to avoid unnecessarily disturbing the gist of the invention.

  In this specification, the “water area” means a lake, a lake, a sea, a large river, a river, or the like.

  Further, in this specification, the “corrugated draft tube” means a draft tube having a sub-inlet through which water flows on the side surface and having a bowl-shaped body.

  FIG. 1 is a view schematically showing a water circulation device according to an embodiment of the present invention, and FIG. 2 is a side view of the corrugated draft tube shown in FIG.

  Referring to FIGS. 1 and 2, the water circulation device 100 includes a corrugated draft tube 110, an impeller 120, a drive motor 130, and a number of solar cells 140. The corrugated draft tube 110 includes a body 111, a main inlet 112, a number of sub inlets 113, and a diffusion part 140.

  The trunk 111 has a cylindrical shape and is installed in the water of the water area 10. A main inlet 112 is provided at the lower end of the body 111, and water accumulated in the bottom layer of the water area 10 flows into the corrugated draft tube 110 through the main inlet 112 as the impeller 120 is rotated by the drive motor 130. Then, the water in the middle layer of the water area 10 is introduced through the sub-inlet 113. Here, the shape of the body 111 is exemplary, and the body does not necessarily have a cylindrical shape, and may have various shapes such as a rectangular tube shape, a pentagonal tube shape, or a hexagonal tube shape. May be. Further, the body 111 may have a shape having a flange.

  As shown in FIG. 1, a low oxygen region having less oxygen than the upper layer of the water region 10 may exist in the bottom layer of the water region 10. Further, since the temperature of the upper layer of the water area 10 is relatively high and the temperature of the bottom layer of the water area is relatively low based on the thermocline 10a, the water pressure becomes stronger toward the bottom layer. Therefore, when the water present in the upper layer of the corrugated draft tube 110 moves to the outside of the corrugated draft tube 110 (that is, the upper layer of the water area adjacent to the draft) by the rotation of the impeller 120, the main inlet 112 or the sub inlet 113 is moved. Via, low oxygen water and low-temperature water existing in the bottom layer or middle layer of the water area 10 are introduced.

  Preferably, the lower end portion of the body 111 is positioned in the bottom layer of the water area 10 in order to allow the low oxygen water and low temperature water stagnant in the bottom layer of the water area 10 to flow into the corrugated draft tube 110. The bottom layer of the water area 10 may be different for each water area, and the depth of the bottom layer in one water area 10 may be different depending on the position. Therefore, it is preferable that the length of the trunk 111 can be adjusted by the water depth of the water area 10. According to one embodiment of the present invention, the body 111 is formed as a soot tube so that the length of the body 111 is longer where the water depth is deeper and shorter when the water depth is shallower. The length of the body 111 may be automatically adjusted by a remote controller.

  A large number of sub inlets 113 are provided on the side wall of the body 111 depending on the length direction of the body 111. Since the water depth of the water area 10 is usually deep, if the water is circulated only through the main inlet 112, the surrounding area of the corrugated draft tube 110 at an intermediate point of the water depth, the area adjacent to the corrugated draft tube 110, or the lower area of the diffusion portion 114 (hereinafter, Although water may not circulate in the “dead zone”), such a problem is solved by providing the sub-inlet 113 in the side wall of the body 111 according to an embodiment of the present invention. it can.

  That is, water that does not circulate in the dead zone flows into the corrugated draft tube 110 through the multiple sub-inflow ports 113, whereby water stagnated in the dead zone is circulated. Therefore, it is possible to prevent a dead zone from being circulated in the water area 10 from being formed. As described above, the water is circulated through the main inlet 113, and the sub-inlet 113 is used to mix the water in the bottom layer where oxygen is insufficient and the water flowing in from the side surface, thereby adversely affecting the water area due to the oxygen-deficient water. Can be minimized.

  According to an embodiment of the present invention, the diameters of the multiple sub-inlets 113 may be changed according to the depth of water. Preferably, the large number of sub-inlet ports 113 provided corresponding to the upper layers of the water area 10 have a diameter that allows the water in the dead zone to flow in without reducing the rising force of the water.

  For example, the diameters of the multiple sub-inlets 113 are increased from the upper layer to the bottom layer of the water area 10. By increasing the diameters of the multiple sub-inlet 113 provided in the bottom layer in this way, it is possible to improve the speed at which the low temperature water and low oxygen water existing in the bottom layer of the water area 10 flow into the corrugated draft tube 110. . Of course, the multiple sub-inlet 113 can be configured to have the same diameter regardless of the position.

  As shown in FIG. 2, a large number of sub inlets 113 are provided along the circumferential direction of the corrugated cylindrical body 111. At this time, the multiple sub inlets 113 located at the same height may have the same diameter, and may have different diameters.

  The diffusion unit 114 is provided at the upper end of the body 111 and discharges the water that has flowed into the corrugated draft tube 110 to the upper layer of the adjacent water area 10. The inflowing water moves to the upper end portion of the corrugated draft tube 110 by the pressure of the corrugated draft tube 110 itself, and is discharged to the upper layer of the adjacent water area 10 through the diffusion portion 114.

  The impeller 120 is provided inside the corrugated draft tube 110 so that water that has been rotated in a predetermined direction and moved to the upper side of the corrugated draft tube 110 is easily discharged through the diffusion portion 114. The impeller 120 includes a rotating shaft 121 and a plurality of blades 122 coupled to the rotating shaft 121. The rotating shaft 121 is connected to the drive motor 130 and receives power from the drive motor 130 and rotates in a predetermined direction. A large number of blades 122 connected to the rotating shaft 121 rotate as the rotating shaft 121 rotates. Therefore, the water that has moved to the upper inside of the corrugated draft tube 110 is discharged through the diffusion unit 114 while rotating in the direction in which the numerous blades 122 rotate.

  According to a preferred embodiment of the present invention, the area of the main inlet and the sub inlet is set so that the water flowing in via the main inlet: the water flowing in via the sub inlet is 7: 3. . This is because if there is too much water flowing in through the sub-inlet, the amount of water flowing in through the main in-flow port will decrease and the low oxygen water at the bottom of the water area may not circulate smoothly. This is because a dead zone may be formed if the amount of inflow of water through is small.

  FIG. 3 is a plan view of the diffusion section shown in FIG.

  Referring to FIG. 3, a plurality of guide protrusions 114 a are provided on the upper surface of the diffusion portion 114. A number of guide protrusions 114 a have a spiral structure that is bent in the direction of rotation of the water rising while rotating in the corrugated draft tube 110. Therefore, the water rising while rotating is guided to the outside of the diffusion part 114 by the large number of guide protrusions 114a. As a result, the diffusion part 114 can easily discharge the water to the upper layer of the adjacent water area 10. . The guide ridge has a function of guiding the water so that it spreads widely, and prevents the water from interfering with each other so that the water is smoothly discharged to the adjacent water area.

  Referring to FIG. 1 again, a large number of solar cells 140 are provided adjacent to the drive motor 130 and store power using sunlight. The stored power supply is supplied to the drive motor 130 to operate the drive motor 130. Although the structure in which the drive motor 130 is operated by being supplied with power stored by sunlight is shown, this is only one embodiment of the present invention and the present invention is not limited thereto. For example, it is possible to use a device that generates power using wind power, and it is also possible to use a replaceable storage battery.

  Thus, by circulating the water stagnated in the bottom layer of the water area 10 through the water circulation device 100, the low oxygen water in the bottom layer can be mixed with the oxygen water in the upper layer to prevent the green algae phenomenon in the bottom layer. . Moreover, the low temperature water of a bottom layer is mixed with the high temperature water of an upper layer, and the temperature stratification phenomenon of the water area 10 can be prevented. As a result, the water quality of the water area 10 can be improved.

  FIG. 4 is a view showing a water circulation device according to another embodiment of the present invention. However, among the components shown in FIG. 4, the same components as those shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

  The water circulation device 100 shown in FIG. 4 is different from the water circulation device shown in FIG. 1 in that it further includes a diffuser pipe 150 provided along the side wall of the corrugated draft tube 110.

  The air diffuser 150 receives external air supplied from a compressor (not shown) and supplies air into the corrugated draft tube 110. As shown in FIG. 4, the discharge port 151 of the diffuser tube 150 may be provided on the main inlet 112 side of the corrugated draft tube 110.

  Thus, when air is supplied to the inside of the corrugated draft tube 110, air is directly supplied to the anoxic layer at the bottom of the water area 10, thereby increasing the amount of dissolved oxygen in the bottom layer.

  More preferably, the air diffuser 150 provides an air valve to the corrugated draft tube 110. For this purpose, the configuration of the air diffuser 150 allows air bubbles to be supplied. When the air bubbles are supplied into the corrugated draft tube 110, the rising speed of the water is slowed down, so that the water flowing in through the corrugated draft tube can be supplied with oxygen for a sufficient time. According to one embodiment of the present invention, the air bubbles are supplied from the lower end of the corrugated draft tube 110 or are supplied to the lower region of the impeller 120. Hereinafter, with reference to FIGS. 5 to 7, the configuration of the air diffuser for supplying air bubbles will be described.

  FIG. 5 shows a configuration of an air diffuser according to an embodiment of the present invention. Referring to FIG. 5, a bubble generation unit 160 for generating air bubbles is connected to the discharge port 151 of the air diffuser 150, and the air discharged through the discharge port 151 is bubbled through the bubble generation unit 160. Supplied.

  As will be described later with reference to FIG. 7, the air bubble generation unit 160 generates a number of air bubbles, and the air supplied from the discharge ports 151 is discharged through the fine holes 163.

  On the other hand, the air discharged through the fine holes 163 becomes foamed by the flow of surrounding water at the moment of discharge, but the smaller the diameter of the fine holes 163, the smaller the size of the bubbles generated. . Preferably, the structure of the micropores 163 may be configured so as to be well foamed by the flow of surrounding water when air is released into the water.

  Referring again to FIG. 5, due to the rotation of the impeller 120, a rapid flow of water exists around the impeller 120, and the air discharged through the fine holes 163 is finely bubbled by such a flow of water. It is done.

  The air bubble generation unit 160 according to an embodiment of the present invention has a cylindrical shape, and may be attached to the corrugated draft tube 110 by an appropriate connection unit. On the other hand, the cylindrical shape and position of the air bubble generating unit 160 are exemplary, and the shape or position may be changed.

  FIG. 5 also shows that the air diffuser 150 passes through the side surface of the corrugated draft tube 110 and supplies air to the air bubble generator 160. In contrast, the air diffuser 150 does not penetrate the side surface of the corrugated draft tube 110 and is extended upward through the lower portion of the corrugated draft tube 110 (for example, as shown in FIG. 4). It is also possible to adopt a configuration in which these are connected to each other.

  FIG. 6 shows a configuration of a diffuser according to another embodiment of the present invention. Referring to FIG. 6, the air bubble generator 160 is different from the embodiment of FIG. 5 in that it is located at the lower end of the corrugated draft tube 110. It is more preferable that the air bubble generating unit 160 is positioned at the lower end of the corrugated draft tube 110 because the effect of the air bubbles can be maximized.

  6 may be attached to the lower end of the corrugated draft tube 110 by suitable connecting means (not shown). For example, the air bubble generator 160 may be attached to the end 157 of the corrugated draft tube 110 using a ring or a rib.

  FIG. 7 is a cross-sectional view of an air bubble generating unit according to an embodiment of the present invention.

  Referring to FIG. 7, the air bubble generating unit 160 includes a large number of fine holes 163, and the fine holes 163 are connected to a pipe line 161 that is supplied with air from the air diffuser 150. As described above, the air moving through the pipe line 161 is discharged through the fine holes 163, and air bubbles are generated by being bubbled by the water flow around the fine holes 163 when discharged. On the other hand, unlike the embodiment of FIG. 6, the air bubble generator of FIG. 7 can discharge air bubbles in both the upper and lower directions of the corrugated draft tube.

  FIG. 8 is a view showing a water circulation device according to another embodiment of the present invention, and FIGS. 9 and 10 are provided for explaining the embodiment of FIG.

  8 and 9, the water circulation device according to the present embodiment includes a draft tube 810, a diffusion unit 814, an impeller 820, a solar cell 840, a blade 842, a floating unit 880, a fine bubble generation unit 860, a leg 865, A first base 867, a second base 869, a charging unit 871, a compressor 875, a control unit 877, a floating unit 880, a support base 881, and a water inlet 885 are included.

  Here, the draft tube 810, the diffusion unit 814, the impeller 820, the solar cell 840, the fine bubble generation unit 860, and the like have been described in detail in the previous embodiment, and will not be described separately here. However, it will be described to the extent necessary to describe other components.

  The blade 842 is for wind power generation and can be rotated by wind from the outside. The blade 842 is rotated by wind, and the rotational force is connected to a rotor (not shown) of a generator (not shown) through a speed increaser (not shown) and a coupler (only when necessary). The The electromotive force excited by the rotation of the rotor is charged (or stored) in a charging unit 871 described later. The technical elements for wind power generation, such as the technology relating to the blades, the speed increaser, the coupler, and / or the power generator itself, are not the gist of the present invention and will not be described in detail.

  The floating unit 880 can float components such as the solar cell 840, the blade 842, the compressor 875, the control unit 877, and the charging unit 871 on the water. The floating portion 880 according to the present embodiment has a hollow cylindrical shape and can be made of a material that can float in water.

  According to a preferred embodiment of the present invention, the floating portion 880 is directly or / and indirectly connected to components such as the solar cell 840, the blade 842, the compressor 875, the control portion 877, and the charging portion 871 through the support base 881. And has a function of floating the water circulation device on the water.

  Also, according to a preferred embodiment of the present invention, the floating portion 880 includes a water inlet 885 (shown in FIGS. 9 and 10). Water can be injected into the floating portion 880 through the water injection port 885. As will be described later with reference to FIG. 9, height adjustment with the water surface (hereinafter “height adjustment”) is very important for the water circulation device.

  In the prior art, height adjustment was attempted using a mechanical device, but it is difficult to set and maintain the height adjustment. This is due to the work done on the water, but also because the overall weight of the device is not perfectly balanced. Further, as time elapses, it becomes necessary to further adjust the height due to wear of the apparatus, but at that time, it is not easy to perform a new height adjustment.

  In the present invention, it is possible to easily set the height adjustment without introducing a separate complicated device, and it is convenient to maintain it. In the present invention, the floating portion 880 is provided with a water inlet 885, and the buoyancy can be adjusted by introducing water into the floating portion 880. Since the water inlet 885 is provided in each of the two floating portions 880, even if the weight balance of the water circulation device is not perfect, an almost perfect balance is maintained by the amount of water injected into the water inlet 885. While height adjustment can be set. When a large amount of water enters the floating portion 880, the water can be discharged using a pump or the like, or a water discharge port (not shown) is further provided in the floating portion 880, It is also possible to discharge through a discharge port (not shown).

  As described above, since the height adjustment can be set by the water poured into the floating portion 880, as described above, the height adjustment can be set or managed very easily. In addition, since no complicated mechanical device is used, manufacturing is convenient and cost effective.

  Although the floating part 880 shown in FIG. 8 is composed of a total of three, this is only an exemplary number, and it can be constructed with more or less. Further, the position or the number of the water inlets 885 can be modified.

  The leg part 865 fixes the draft tube 810 to the first base 867, and the fine bubble generating part 860 is placed on the first base 867. By placing the fine bubble generating unit 860 on the first base 867, contaminants contained in the water do not accumulate on the fine bubble generating unit 860. The second base 869 supports the charging unit 871, the compressor 875 and the control unit 877.

  The charging unit 871 can store electric power generated via the solar cell 840 or the blade 842. The electric power charged by the charging unit 871 is provided to a motor (not shown) that rotates the impeller 820 under the control of the control unit 877. Although the motor is not shown in FIG. 8, a person skilled in the art of the present invention can appropriately place the motor at a position where the impeller 820 can be rotated. According to an exemplary embodiment of the present invention, the charging unit 871, the compressor 875, and the control unit 877 are located on the upper surface of the second base 869, and the motor (not shown) is located on the lower surface of the second base 869. .

  The compressor 875 provides air to the fine bubble generator 860. The compressor 825 provides air to the fine bubble generating unit 860 through an air diffuser (not shown). An air diffuser can be positioned along the inside or outside of the draft tube 810. An example in which the diffuser tube is disposed along the outside of the draft tube 810 is also illustrated in FIG. 4, and a person skilled in the art can appropriately perform a configuration in which the diffuser tube is disposed inside the draft tube.

  The control unit 877 controls mechanical and / or electric / electronic devices of the water circulation device. For example, the control unit 877 can supply electricity generated through the solar cell 840 or the blade 842 to the impeller. A method in which the control unit 877 supplies power to the impeller 820 will be described in detail with reference to FIG.

  With further reference to FIG. 9, it can be seen that a water inlet 885 is provided in the floating portion 880. Although not shown, a plug for closing the water inlet 885 may be further provided.

  According to one embodiment of the present invention, the draft tube is provided with a number of sub-inlets 813. For the structure and function of the sub-inlet 813, refer to the description part of FIGS. For example, the diameter of the sub-inlet 813 varies as it goes from the upper layer to the lower layer of the water area as illustrated in FIG. According to one embodiment, the diameter of the sub-inlet 813 may increase toward the lower layer.

  FIG. 11 is a view provided to explain a diffusion unit according to an embodiment of the present invention.

  As shown in FIG. 11, the diffusion portion 814 has a spiral structure and includes a guide protrusion, so that water rises while rotating, and the rising water is guided to the outside of the diffusion portion 814 by the guide protrusion. Thereby, the diffusion unit 814 can easily discharge the water guided by the guide protrusion to the upper layer of the adjacent water area. For a more detailed description, refer to the description part of FIG.

  FIG. 12 is a diagram provided to explain mechanical and / or electrical / electronic functional blocks used in a water circulation apparatus according to an embodiment of the present invention.

  Referring to FIG. 12, a water circulation device according to an embodiment of the present invention includes a solar cell 840, a blade 881, a charging unit 871, a compressor 875, a control unit 877, and a motor to acquire electric power and drive an impeller. Part 891 is included.

  According to the present embodiment, the control unit 877 can supply the electric power generated via the solar cell 840 to the motor unit 891 and / or the compressor 875, and the remaining electric power among the electric power generated by the solar cell 840 can be supplied. Is stored in the charging unit 871.

  On the other hand, when there is no electric power generated by solar cell 840, control unit 877 supplies electric power stored in charging unit 893 to motor unit 891.

  The charging unit 871 stores electric power generated through the solar cell 840 and the blade 842.

  In the embodiment of FIG. 12, it has been described that the electric power generated by the blade is stored in the charging unit 893, but a different configuration may be used. For example, in an area with a lot of wind, it is possible to immediately supply the power generated by the blade to the motor unit 891 and store the remaining power in the charging unit 893.

  If it belongs to the technical field of the present invention, the power generated by the solar cell 840 and / or the blade 842 is immediately supplied to the motor unit 891 or the compressor 875, or stored in the charging unit 893, and then as necessary. Can be configured to be used.

  The size and scale ratio of the example shown in the above-mentioned drawings are displayed in a reduced and / or enlarged manner for easy explanation of the present invention. Note what you can do. For example, the size of the fine holes of the air bubble generating unit shown in FIG. 6 is shown to be slightly larger than the size of the air bubbles, but this is for ease of explanation, and the actual diameter of the fine holes. May be configured according to the size of the air bubble or smaller.

  The shape of the impeller 120 shown in FIG. 1 is merely an example, and any shape is possible as long as it has a function capable of moving water in the upper layer of the corrugated draft tube 110 to the adjacent water area. It can also be used with other impellers.

  The preferred embodiments of the present invention have been illustrated and described above, but the present invention is not limited to the specific embodiments described above, and the present invention is not deviated from the gist of the present invention claimed in the claims. Various modifications may be made by those having ordinary knowledge in the technical field to which they belong, and these modifications should not be understood in distinction from the technical idea or perspective of the present invention.

DESCRIPTION OF SYMBOLS 100 Water circulation apparatus 110 Draft tube 111 Body 112 Main inlet 113 Sub inlet 114 Diffusion part 114a Guide protrusion 120 Impeller 130 Drive motor 140 Solar cell 150 Aeration pipe 842 Blade 880 Floating part 865 Leg part 867 First base 869 Second base 871 Charging part 875 Compressor 877 Control part 881 Support stand 885 Water inlet

Claims (8)

A hollow cylinder having a body located in the water body, a main inflow port provided at a lower end of the body and receiving water stagnated in a bottom layer of the water body, provided on a side wall of the body, A plurality of sub-inlets that receive inflow of water in adjacent water areas, and a diffusion part that is provided at the upper end of the fuselage and discharges the inflowed water to an upper layer of the adjacent water area at the upper end of the fuselage. With corrugated draft tube;
An impeller which is provided in the corrugated draft tube and rotates so that water flowing in through the main inlet and the sub inlet is discharged to an upper layer of an adjacent water area at an upper end of the body;
A drive motor for rotating the impeller;
Wherein provided along the fuselage of the side wall of the waveform draft tube, internal to the diffuser tube to supply air of the waveform draft tube; see it contains a
The water circulation device , wherein the plurality of sub-inlets are provided along a side wall of a body of the corrugated draft tube, and the diameter of the plurality of sub-inlets increases from the upper layer of the water area to the bottom layer of the water area. . 2. The water circulation device according to claim 1 , wherein the body has a cylindrical shape, and the plurality of sub-inlets are disposed along a circumferential direction of the body.   The said draft tube is further provided with the guide protrusion provided in the upper surface of the said spreading | diffusion part, and it was comprised so that it might guide in the rotation direction of the water discharged | emitted via the said spreading | diffusion part, It is characterized by the above-mentioned. The water circulation device described in 1. The water circulation device according to claim 3 , wherein an outlet of the air diffuser for discharging the air is located on the main inlet side of the corrugated draft tube. The water circulation device according to claim 4 , further comprising an air bubble generating unit that receives an inflow of air discharged from an outlet of the air diffuser and generates an air bubble.   The water circulation device according to claim 1, further comprising a floating portion that provides buoyancy to the water circulation device, wherein a water inlet for adjusting buoyancy is disposed in the floating portion. The water circulation device according to claim 6 , wherein the buoyancy is adjusted according to the amount of water injected into the water injection port.   The water circulation device according to claim 1, wherein the air diffuser is disposed along an outer wall or an inner wall of a body of the corrugated draft tube.

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