KR101234325B1 - Small hydroelectric power plant - Google Patents

Abstract

The present invention relates to a hydrophobic power generation facility that can improve the power generation efficiency of a hydropower generator by producing power using water discarded in aquaculture farms. It includes a reservoir for storing the water to be drained, and a hydrophobic power generation unit connected to the reservoir so that the water stored in the reservoir flows by the height difference, and discharges the water of the reservoir to the sea.

Description

Small Power Plant {SMALL HYDROELECTRIC POWER PLANT}

The present invention relates to a small hydro power plant, and more particularly to a small hydro power plant that can improve the power generation efficiency of the hydro power generator by producing power using water discarded in the farm.

In general, hydroelectric power generation is a power generation facility that generates electricity by using small rivers or waterfalls of mountain walls, and means hydroelectric power of 10,000kw or less.

Considering that small hydro power generation can be applied to agricultural reservoirs, agricultural beams, sewage treatment plants, water treatment plants and multi-purpose dams, in addition to the generation of electricity, domestic development potential is abundant and it is very valuable to develop as a clean resource. have.

Small hydro power generation is classified by facility capacity, free fall, and power generation method, and is classified into waterway type, dam type, and tunnel type according to power generation method.

The waterway formula is a method suitable for the upstream or midstream of the steep slope of the river by determining the slope of the gentle slope along the stream and obtaining the drop by the channel using the steep slope and the bend of the stream.

In addition, the dam type is designed to obtain a drop by the dam. It is advantageous to construct the power plant adjacent to the dam and install it at the point where the flow is rich in the middle and lower streams with small river slope. That is, the dam type is advantageous to be installed in a place where the gradient of the river is gentle but the flow rate is rich, or the drop is large but the water level fluctuates severely.

Tunnel type is a method of mixing the dam type and the channel type, and it is preferable to install the channel in the underground tunnel to get a big drop.

On the other hand, aquaculture farms for fish and shellfish are located on the shore adjacent to the beach to facilitate the use of seawater, and the seawater needed for farming is supplied from the sea by a pump.

In addition, the seawater in the farms is regularly replaced to keep the fish and shellfish farming environment clean. At this time, the water discharged from the farm is introduced into the sea as it is.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

In the conventional land farms as described above, since the discarded water is introduced into the sea, the wastewater cannot be properly used as an energy source capable of hydropower generation, and there is a problem of polluting the seawater in the discharge area.

The present invention has been made in order to improve the conventional problems as described above, to produce electric power by using the water discarded in the farm, it is possible to improve the power generation efficiency of the hydropower generator, and also to prevent seawater pollution around the farm. Its purpose is to provide a small hydro power plant.

Hydrophobic power plant according to the present invention for achieving the above object, the sedimentation unit for removing the foreign matter of the discharged water discharged from the farm, the reservoir to store the water drained from the sedimentation section, the water stored in the reservoir It is connected to the reservoir to flow by the height difference and includes a hydrophobic power generation unit for discharging the water of the reservoir to the sea.

Here, the sedimentation unit includes a first sedimentation tank connected to the aquaculture farm and receiving fresh water from the aquaculture farm, and a second sedimentation tank where the filtered water from the first sedimentation tank is drained and fresh.

In addition, the first settling tank and the second settling tank are each provided with a flow rate reducing member so that the flow rate of the discharged water stored therein is reduced.

The flow rate reducing member may include a first partition member extending from an inner surface of one side of the first precipitation tank and a second precipitation tank, and a second extension member extending from an inner surface of the other side of the first precipitation tank and the second precipitation tank so as to be positioned between the first partition member. 2 includes a partition member.

In addition, the first settling tank and the second settling tank is formed wider from the inlet to the outlet so that the flow rate of water flowing into the inside is reduced.

In addition, the reservoir is a retaining wall portion for fresh water drained from the sedimentation portion and the hydrophobic power generation portion is connected to, and a retaining member provided on one side of the retaining wall portion for selectively draining the fresh water inside the retaining wall portion, the retaining wall portion And a sediment blocking unit for preventing sediment inside the retaining wall from being introduced into the hydrophobic power generation unit.

In addition, the beam member includes an underwater beam that is placed on one side of the retaining wall portion and is formed with a drainage port, and a movable beam that is rotatably installed on the underwater beam so that the drainage port is opened and closed.

In addition, the movable beam, an air bag coupled to the underwater beam to expand and contract by the supply and exhaust of compressed air, the opening and closing panel coupled to the air bag to block and open the drain opening by the expansion and contraction of the air bag, and the opening and closing panel is separated from the air bag It includes a fall prevention member to prevent it.

In addition, the fall prevention member is formed by a flexible material, one end is coupled to the opening and closing panel and the other end is coupled to the underwater beam.

In addition, the airbag is coupled to the coupling portion is formed to be coupled to the underwater beam, and the fixing groove portion is formed is fixed to the lower end of the opening and closing panel is inserted into one side of the coupling portion.

In addition, the movable beam further includes a sealing member for sealing between the opening and closing panel and the underwater beam.

In addition, the sealing member includes a wall plate attached to both sides of the drain port to reduce friction, and a sealing plate whose one end is coupled to the opening and closing panel and the other end is in contact with the wall plate.

In addition, the hydropower unit is a waterway member in communication with the water reservoir so that the water in the water reservoir drops, a generator that is supplied with water through the waterway member to generate electricity, and a power generator in which the generator can be protected and maintained Contains thread.

In addition, the waterway member includes a connector for connecting the reservoir and the generator, and a protective cover for protecting the connector.

According to the hydrophobic power generation equipment according to the present invention as described above, by using the water discarded in the farm can produce power to improve the power generation efficiency of the hydropower generator, it is possible to prevent seawater pollution around the farm.

1 is a plan view showing the configuration of a hydro power plant according to the present invention.
2 is a side view showing the configuration of the reservoir and the hydrophobic power generation unit according to the present invention.
3 is a plan view showing the configuration of the reservoir according to the present invention.
Figure 4 is a perspective view showing the beam member of the reservoir according to the present invention.
Fig. 5 is a side sectional view of Fig. 4. Fig.
6 is an enlarged view of a portion “A” of FIG. 5.
7 is an enlarged view of a portion “B” of pair 4.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, terms and words used in the present specification and claims are to be interpreted in accordance with the technical idea of the present invention based on the principle that the inventor can properly define the concept of the term in order to explain his invention in the best way. It must be interpreted in terms of meaning and concept.

Hereinafter, with reference to the accompanying drawings, a hydrophobic power plant according to an embodiment of the present invention will be described in detail.

As shown in Figures 1 to 3, the hydrophobic power generation facility according to the present embodiment is a sedimentation unit 20 and the water discharged from the sedimentation unit 20, the discharged water discharged from the aquaculture plant 10 is stored A reservoir 30 and a hydrophobic power generation unit 40 for generating electrical energy by water falling from the reservoir 30 are included.

The farm 10 is located on the land near the beach so that fish and shellfish can be farmed using seawater, and the seawater is periodically replaced so that the fish farming environment is kept clean.

At this time, the discharged water discharged from the farm 10 for the replacement of seawater is contaminated by the excreta or feed of fish and shellfish, and is introduced into the settling section 20 to remove contaminants.

Sedimentation unit 20 is the discharged water discharged from the farm 10 is introduced into the inside, foreign matter in the discharged water is precipitated. To this end, the settling section 20 is composed of the first settling tank 21 and the second settling tank 23 so that the discharged water flowing into the sedimentation can be made twice.

Water in which the foreign matter is precipitated in the first precipitation tank 21 is introduced into the second precipitation tank 23 again, is filtered and drained through the precipitation process. At this time, the first settling tank 21 and the second settling tank 23 is formed in the width of the inlet side is smaller than the width of the outlet side so that the flow rate of the water flowing into the inside can be effectively precipitated.

That is, the first settling tank 21 and the second settling tank 23 has a width at the outlet side wider than the width at the inlet side to reduce the flow rate of the water to be moved.

In addition, the first settling tank 21 and the second settling tank 23 has a flow rate reducing member 25 is formed therein so that the flow rate of the flow through the inside is further reduced so that the deposition of foreign matter can proceed more effectively.

The flow rate reducing member 25 reduces the flow rate of water discharged after entering the first settling tank 21 and the second settling tank 23 to effectively settle the suspended matter in the water.

To this end, the flow rate reducing member 25 includes a first partition member 25a extending from one inner surface of the first settling tank 21 and the second settling tank 23, and the first settling tank 21 and the second settling tank ( It consists of a second partition member (25b) extending from the other inner surface of the 23. At this time, the second partition member 25b is located between the first partition member 25a so that the flow paths of the first settling tank 21 and the second settling tank 23 are bent.

Water from which the suspended matter is removed in the first settling tank 21 and the second settling tank 23 flows into the reservoir 30 and is stored.

The reservoir 30 is fresh water drained from the second sedimentation tank 23, and is connected to the hydrophobic power generation unit 40 so that a drop of water may occur.

The water storage part 30 includes a retaining wall part 31 for fresh water drained by the second settling tank 23, and a complement member for selectively freshening and draining water stored by the retaining wall part 31. It consists of 50. At this time, the beam member 50 is formed on one side of the retaining wall portion 31.

The retaining wall part 31 is connected to the hydrophobic power generation unit 40 at the bottom such that the water therein falls into the hydrophobic power generation unit 40. In addition, the retaining wall part 31 has a sediment blocking part 33 formed at a portion connected to the hydrophobic power generation unit 40 so that sediment deposited on the inner bottom is prevented from entering the hydrophobic power generation unit 40.

The deposit blocking part 33 protrudes from the inner bottom of the retaining wall part 31, and the inclined part 33a is formed to generate a height difference with the connection part of the hydrophobic power generating part 40. In this way, the sediment that has left the inside of the retaining wall 31 by the sediment blocking portion 33 protruding from the bottom is prevented from entering the hydrophobic power generating portion 40.

In addition, the retaining wall portion 31 has a support end portion 35 protruded to the outside so that the hydrophobic power generating portion 40 can be stably connected.

A beam member 50 for draining and dewatering water into the retaining wall portion 31 will be described in detail with reference to FIGS. 4 to 7.

4 to 7, the beam member 50 according to the present embodiment is a submerged beam 51 which is placed on one side of the retaining wall portion 31, and the movable is installed rotatably on the subwater beam 51 And a beam 53.

The underwater beam 51 is formed through the pouring of concrete, the drain port 51a is formed in the center, the movable beam 53 is installed in the drain port 51a.

The movable beam 53 has an airbag 57, an opening / closing panel 53b which is developed or folded at the drain opening 51a by the airbag 57 so as to easily open and close the drain opening 51a, and the opening and closing panel 53b. It includes a fall prevention member (53c) to prevent the separation.

The airbag 57 is fixed to the anchor bolt 51b provided in the drain port 51a, and expands and contracts as air is introduced or discharged from the outside. The airbag 57 has an engaging portion 57a extended to be fixed to the anchor bolt 51b, and a fixing groove 57b is formed at one side of the engaging portion 57a. The opening and closing panel 53b is inserted into and fixed to the fixing groove 57b.

The air bag 57 expands the opening and closing panel 53b through expansion when air is supplied from the outside, and rotates the opening and closing panel 53b while being compressed by the weight of the opening and closing panel 53b when the air inside is discharged. .

One end of the opening / closing panel 53b is inserted into the fixing groove 57b of the airbag 57, and the fixing bolt 53b 'penetrated through the fixing groove 57b is joined. The opening and closing panel 53b is fixed to the airbag 57 by a nut fastened to the fixing bolt 53b ', and is expanded and folded at the underwater beam 51 through expansion and compression of the airbag 57.

In the present exemplary embodiment, the opening and closing panel 53b is fixed to the airbag 57 by the fixing bolt 53b ', but it may be combined in the same manner as adhesive, welding, or riveting.

The fall prevention member 53c prevents the airbag 57 from being separated from the airbag 57 when the opening / closing panel 53b is deployed as the airbag 57 is inflated. To this end, one end of the fall prevention member 53c is coupled to the opening and closing panel 53b, and the other end thereof is coupled to the underwater beam. At this time, the fall prevention member 53c is made of a flexible material so as to prevent its breakage while flexibly moving in accordance with the deployment or folding of the opening and closing panel 53b.

For example, the fall prevention member 53c is made of rubber and may contain fibers to improve durability. In the present embodiment, for example, the fall prevention member 53c is formed of rubber, but can be manufactured by wire, chain, or the like.

In addition, at least one movable beam 53 according to the present embodiment is installed according to the width of the underwater beam 51, and when two or more are installed in succession, the opening and closing panel 53b is sealed so as to be sealed between the opening and closing panel 53b. It is connected by the seal plate 58. At this time, the opening and closing panel 53b and the seal plate 58 are coupled by bolts and nuts, but may be coupled in a manner such as welding or riveting.

On the other hand, the movable beam 53 further includes a sealing member 59 for sealing between the opening and closing panel 53b and the underwater beam 51.

The sealing member 59 includes a wall plate 59a attached to both side surfaces of the drain port 51a, and a sealing plate 59b for sealing between the opening and closing panel 53b and the wall plate 59a. At this time, the wall plate 59a and the sealing plate 59b are made of metal.

One end of the sealing plate 59b is coupled to the opening / closing panel 53b by bolts and nuts, and the other end thereof is in contact with the wall plate 59a. At this time, the sealing plate (59b) is bent the other end so that the contact area with the wall plate (59a) increases.

In the present embodiment, for example, the sealing plate 59b and the wall plate 59a are coupled by bolts and nuts, but may be coupled in the same manner as welding or riveting.

Referring back to FIG. 2, the hydrophobic power generation unit 40 is connected to the water channel member 41 connected to the retaining wall portion 31 so that the water of the reservoir 30 falls, and the water dropped from the water channel member 41. It consists of a generator 43 for generating electricity and a power generation chamber 45 for protecting the generator 43.

The waterway member 41 is composed of a connecting pipe 41a for connecting the retaining wall 31 and the generator 43 and a protective cover 41b for protecting the connecting pipe 41a.

One end of the connecting pipe 41a communicates with the inside through the retaining wall portion 31, and the other end is connected to the generator 43 through the power generating chamber 45. The connecting pipe 41a is formed to be inclined downward to cause a drop of water introduced into the inside thereof, and one end thereof is attached with a foreign matter blocking network.

The protective cover 41b is formed through the pouring of concrete and covers the outer surface of the connecting pipe 41a. The protective cover 41b is prevented from falling down while being supported by the supporting end 35 of the retaining wall portion 31.

 In the present embodiment, the protective cover 41b is described with an example of being formed of concrete, but may be formed of urethane, rubber, synthetic resin, or the like.

The generator 43 is provided with a turbine for generating electricity therein, and one end thereof is exposed to the outside of the power generation chamber 45. This is to allow the water passed through the generator 43 to be drained to the outside.

Power generation room 45 is a generator 43 is accommodated to protect and maintain the generator 43, the entrance is provided on the upper side so that the operator can draw in and out. Usually the power generation room 45 is formed of concrete.

It describes the operation of the hydrophobic power plant according to an embodiment of the present invention configured as described above.

First, the water discharged from the aquaculture farm 10 passes through the first settling tank 21 and the second settling tank 23, and suspended matter is precipitated and removed.

At this time, the water flowing into the first settling tank 21 and the second settling tank 23 is reduced by the flow rate of the first partition member 25a and the second partition member 25b, the sedimentation of the suspended matter proceeds more effectively. . In other words, it is possible to effectively remove the suspended solids to prevent contamination of seawater.

Then, the water drained from the second settling tank 23 is stored in the reservoir 30 to a predetermined amount so that the generator 43 can be operated, and then falls into the generator 43 through the water channel member 41 so that the generator 43 is discharged. The turbine will rotate.

That is, the power generation efficiency of the hydrophobic power generator can be improved by producing electric power using water discarded in the farm 10.

In addition, when the water flowing into the reservoir 30 from the second sedimentation tank 23 is excessive or the level of water stored in the reservoir 30 is excessively increased due to the inflow of rainwater, etc., the movable beam 53 ) Can be rotated to drain the water in the reservoir 30.

That is, by operating the movable beam 53 in accordance with the water level of the reservoir 30 can maintain the water level of the reservoir 30 at all times.

It will be apparent to those skilled in the art that the present invention is not limited to the embodiment described above, but may be embodied in various other forms without departing from the spirit of the invention, It will be understood by those of ordinary skill in the art that various changes and modifications may be made without departing from the scope of the present invention.

10: farm 20: sedimentation part
21: first precipitation tank 23: second precipitation tank
25: flow rate reducing member 30: water reservoir
31: retaining wall portion 33: sediment blocking unit
40: hydrophobic power generation unit 50: beam member
51: underwater beam 53: movable beam
57 air bag 59 sealing member

Claims (15)

A sedimentation unit for removing foreign matter from the discharged water discharged from the farm;
A reservoir for storing water drained from the precipitate; And
A hydrophobic power generation unit connected to the reservoir to allow the water stored in the reservoir to flow by a height difference, and to discharge the water of the reservoir to the sea;
To include, the precipitation unit,
A first sedimentation tank connected to the farm and receiving fresh water of the farm; And
A second precipitation tank in which the water filtered in the first precipitation tank is drained and fresh water;
Hydrophobic power plant characterized in that it comprises a.
delete The method of claim 1,
The first precipitation tank and the second precipitation tank, hydrophobic power generation equipment characterized in that each having a flow rate reducing member for reducing the flow rate of the effluent water stored in the first precipitation tank and the second precipitation tank.
The method of claim 1, wherein the reservoir portion,
A retaining wall portion for freshening the water drained from the precipitation portion and connected with the hydrophobic power generation portion; And
A beam member provided at one side of the retaining wall portion for selectively draining the fresh water in the retaining wall portion;
Hydrophobic power plant characterized in that it comprises a.
The method of claim 4, wherein the beam member,
An underwater beam which is poured on one side of the retaining wall and is formed with a drain hole; And
A movable beam installed rotatably on the underwater beam so that the drain hole is opened and closed;
Hydrophobic power plant characterized in that it comprises a.
The method of claim 5, wherein the movable beam,
An airbag coupled to the underwater beam to expand and contract by supply and exhaust of compressed air;
An opening / closing panel coupled to the airbag to block and open the drain hole by expansion and contraction of the airbag; And
A fall prevention member preventing the opening and closing panel from being separated from the air bag;
Hydrophobic power plant characterized in that it comprises a.
The method according to claim 6,
The airbag is a hydrophobic power generation facility characterized in that the coupling portion is formed to be extended to be coupled to the underwater beam, the fixing groove portion is formed to be fixed by inserting the lower end of the opening and closing panel on one side of the coupling portion.
The method according to claim 6,
The movable beam further comprises a sealing member for sealing between the opening and closing panel and the underwater beams.
The method of claim 8, wherein the sealing member,
Wall plates attached to both sides of the drain port to reduce friction; And
A sealing plate having one end coupled to the opening / closing panel and the other end contacting the wall plate;
Hydrophobic power plant characterized in that it comprises a.
The hydrophobic power generation unit of claim 1,
A water channel member in communication with the reservoir so that the water of the reservoir falls;
A generator for generating electricity by supplying water through the channel member; And
A power generation room in which the generator is accommodated to protect and maintain the generator;
Small hydro power plant characterized in that it comprises a.
The method of claim 10, wherein the channel member,
A connecting pipe connecting the reservoir and the generator; And
A protective cover for protecting the connector;
Hydrophobic power plant characterized in that it comprises a.
The method of claim 3, wherein the flow rate reducing member,
A first partition member extending from an inner surface of one side of the first precipitation tank and the second precipitation tank; And
A second partition member extending from an inner surface of the other side of the first precipitation tank and the second precipitation tank so as to be located between the first partition walls;
Hydrophobic power plant characterized in that it comprises a.
The method of claim 1,
The first sedimentation tank and the second sedimentation tank hydrophobic power generation facility, characterized in that the width widens from the inlet to the outlet so that the flow rate therein is reduced.
The method according to claim 6,
The fall prevention member is formed by a flexible material, one end is coupled to the opening and closing panel and the other end is hydrophobic power generation facility, characterized in that coupled to the underwater beam.
The method of claim 4, wherein
The retaining wall portion is a hydrophobic power generation facility, characterized in that the sediment blocking unit is formed to prevent the sediment is introduced into the hydrophobic power generation unit.

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