Power generation ship with pre-filtration function

Abstract

This utility model discloses a power generation vessel with a pre-filtration function, comprising a floating vessel and a power generation device. The floating vessel forms a water flow channel, and the power generation device includes a generator and a generator impeller connected together. The generator impeller is located in the water flow channel. The invention is characterized by further including a pre-treatment assembly, which includes an anchor and two side frames. Removable first filter grilles are provided on the two side frames. The first ends of the two side frames are connected together, and the anchor is connected to the first ends of the side frames by chains. The second ends of the side frames are connected to the floating vessel, and the side frames are arranged in front of the inlet side of the water flow channel. This improves the reliability of the power generation vessel.

Description

Technical Field

[0001] This utility model relates to the field of hydropower equipment technology, and in particular to a power generation vessel with a pre-filtration function. Background Technology

[0002] A power-generating ship is a vessel that generates electricity using the kinetic energy of river or ocean water. Its core principle is to convert the potential energy of water flow into electrical energy through a turbine. This conversion process is not only environmentally friendly and efficient but also effectively reduces dependence on fossil fuels, making it a highly promising method for utilizing renewable energy. Chinese Patent Publication No. CN109018280A discloses a power-generating hydrogen-producing ship that uses water flow to drive a vertical axis rotor propeller to rotate and generate electricity. However, in actual use, especially when generating electricity in rivers, debris such as weeds and branches can easily flow with the water. This debris can damage the vertical axis rotor propeller, leading to reduced reliability. Summary of the Invention

[0003] This invention provides a power generation vessel with a pre-filtration function, thereby improving the reliability of the power generation vessel.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: This utility model provides a power generation vessel with a pre-filtration function, including a floating vessel and a power generation device. The floating vessel forms a water flow channel, and the power generation device includes a generator and a power generation impeller connected together. The power generation impeller is located in the water flow channel. It also includes a pre-treatment assembly, which includes an anchor and two side frames. The two side frames are provided with detachable first filter grilles. The first ends of the two side frames are connected together, and the anchor is connected to the first ends of the side frames by iron chains. The second ends of the side frames are connected to the floating vessel, and the side frames are arranged in front of the inlet side of the water flow channel.

[0005] In one embodiment of this application, the pretreatment component further includes a bottom frame, on which a second filter grid is disposed; The bottom frame is located at the bottom of the two side frames.

[0006] In one embodiment of this application, the pretreatment assembly includes an end connecting frame, a first end of the side frame is hinged to the end connecting frame, and the anchor is connected to the end connecting frame by a chain.

[0007] In one embodiment of this application, the floating vessel is further provided with a detachable filter screen, the filter screen is arranged on the inlet side of the water flow channel, and the side frame is arranged on the outside of the filter screen.

[0008] In one embodiment of this application, the floating vessel includes two hulls and a bottom plate. The two hulls are connected together, and the bottom plate is connected between the two hulls. The two hulls form the water flow channel above the bottom plate, and the filter screen is disposed between the two hulls.

[0009] In one embodiment of this application, the filter screen is detachably mounted on the hull.

[0010] In one embodiment of this application, slots are provided on the inner side of the hull, the slots are arranged vertically, and the filter screen is inserted into two of the slots.

[0011] In one embodiment of this application, a crane is also provided on the hull.

[0012] In one embodiment of this application, the end of the hull is provided with an inclined outward-extending diverter plate, and a flow collection port is formed between two diverter plates. The flow collection port is configured to guide water flow into the water flow channel. The filter screen is disposed between the two drainage plates, and the second end of the side frame is hinged to the drainage plate on the corresponding side.

[0013] In one embodiment of this application, two partition plates arranged side by side are provided above the bottom plate, and a current generation channel is formed between the partition plates and the hull on the corresponding side, and a discharge channel is formed between the two partition plates. The current generation channel is equipped with a first gate that can be opened and closed, and the discharge channel is equipped with a second gate that can be opened and closed. The power generation impeller is located in the power generation channel.

[0014] The technical solution of this utility model has the following technical effects compared with the prior art: by setting a pretreatment component on the water inlet side of the floating vessel, and setting a first filter grid on the side frame of the pretreatment component, the first filter grid can filter the water flowing towards the floating vessel. The first filter grid can effectively block weeds or branches in the water flow, thereby reducing the damage of debris in the water flow to the generator impeller, and thus improving the reliability of the generator vessel with pre-filtration function. Attached Figure Description

[0015] Figure 1 This is one of the structural schematic diagrams of the power generation ship with pre-filtration function according to this utility model; Figure 2 for Figure 1 A magnified view of a portion of region A in the middle; Figure 3 for Figure 1 A magnified view of a portion of region B in the middle; Figure 4This is the second structural schematic diagram of the power generation ship with pre-filtration function of this utility model; Figure 5 for Figure 4 A magnified view of a portion of region C in the middle; Figure 6 for Figure 2 Schematic diagram of the structure of the generator impeller; Figure 7 This is the third structural schematic diagram of the water-powered generator ship of the present invention; Figure 8 This is the fourth structural schematic diagram of the water-powered generator ship of the present invention.

[0016] Figure label: 1. Floating vessel; 11. Hull; 12. Bottom plate; 13. Water flow channel; 14. Crane; 15. Divider plate; 16. First gate; 17. Second gate; 18. Anchor; 131. Current generating channel; 132. Exhaust channel; 151. Inclined extension; 152. Exhaust port; 153. Protruding structure; 2. Generating unit; 21. Generator; 22. Generator impeller; 23. Reducer; 24. Clutch; 221. Connector; 222. Mounting frame; 223. Baffle; 2221. Through opening; 3. Drainage device; 31. Drainage plate; 32. Collection port; 4. Filter screen; 5. Pretreatment components; 51. Anchor; 52. Side frame; 53. First filter screen; 54. Bottom frame; 55. Second filter screen; 56. End connection frame. Detailed Implementation

[0017] Example 1, as Figures 1-6 As shown, this utility model provides a power generation ship with a pre-filtration function, comprising: Floating vessel 1, the floating vessel 1 includes two hulls 11 and a bottom plate 12, the two hulls 11 are connected together and form a gap between the two hulls 11, the bottom plate 12 is connected between the two hulls 11, and the two hulls 11 form a water flow channel 13 above the bottom plate 12; A power generation device 2, comprising a generator 21 and a power generation impeller 22, wherein the power generation impeller 22 is drivenly connected to the generator 21; The drainage device 3 includes two drainage plates 31, which are arranged opposite to each other. The generator 21 is mounted on the floating vessel 1, the diversion plate 31 is mounted at the end of the corresponding hull 11, the generator impeller 22 is located in the water flow channel 13, and a flow collection port 32 is formed between the two diversion plates 31. The flow collection port 32 is funnel-shaped and is configured to guide water flow into the water flow channel 13.

[0018] Specifically, the floating vessel 1 consists of two interconnected hulls 11 and a bottom plate 12 connecting the two hulls 11. The two hulls 11 are arranged side by side, forming a water flow channel 13 above the bottom plate 12. The water flow channel 13 restricts the flow of water between the two hulls 11 and the bottom plate 12, preventing it from spreading randomly. The structural design of the double hulls 11 enhances the stability of the floating vessel 1 on the water surface, enabling it to maintain stable operation under different water flow conditions. On the other hand, the water flow channel 13 provides spatial constraints for guiding and utilizing the water flow, ensuring that the water flowing into the water flow channel 13 can drive the generator impeller 22 to rotate to generate electricity to the maximum extent.

[0019] The diversion device 3 includes two opposing diversion plates 31, which are respectively located at the ends of the corresponding hulls 11. A horn-shaped collecting port 32 is formed between the two diversion plates 31. The shape design of the horn-shaped collecting port 32 plays a crucial role; the larger diameter end can collect water extensively, while the smaller diameter end can concentrate and guide the water flow to the water channel 13, achieving efficient convergence and directional guidance of the water flow.

[0020] In practical use, the floating vessel 1 is placed in the river channel, and the water in the channel flows into the water flow channel 13 from the inlet 32. Because the inlet 32 ​​is funnel-shaped, its large-diameter end can receive water from the surrounding water area over a large area. As the water flows towards the small-diameter end of the inlet 32, the water flow is gradually converged and accelerated, forming a faster and more concentrated flow. The higher flow velocity is limited by the sides, hull 11, and bottom plate 12, ensuring that the water flow maintains a high velocity to drive the generator impeller 22 to rotate rapidly and generate electricity.

[0021] In shallow water environments, the twin-hull design of the hull 11 ensures good buoyancy and stability, preventing issues such as bottoming out or tilting due to insufficient water depth. More importantly, the water flow channel 13 formed between the two hulls 11 restricts water leakage from the bottom through the bottom plate 12, ensuring smooth water flow within the channel and providing sufficient driving force for the generator impeller 22.

[0022] In low-flow-velocity environments, the diversion device 3 plays a crucial role in dealing with low-velocity water flow. The funnel-shaped collection port 32 formed by the diversion plate 31 can collect the surrounding low-velocity water flow over a large area at its large-diameter end. As the water flow gradually converges towards the small-diameter end of the collection port 32, the cross-sectional area of ​​the water flow decreases and the flow velocity increases accordingly, thereby effectively improving the flow velocity of the water flow.

[0023] Power generation vessels with pre-filtration capabilities can operate in a wider range of water types, including rivers and lakes with gentle currents and low flow rates. This further expands the application scenarios of power generation vessels with pre-filtration capabilities, improves their adaptability to different water flow conditions and the breadth of their applications, and further enhances power generation efficiency.

[0024] In order to anchor the floating vessel 1 during power generation, the floating vessel 1 is equipped with an anchor 18. The anchor 18 is sunk into the riverbed to restrict the floating vessel 1 from drifting in the river. In this way, during the process of generating electricity using the water in the river, the floating vessel 1 can be kept relatively stable in the river so as to reliably generate electricity using the water flow.

[0025] In addition, a reducer 23 can be configured between the generator 21 and the generator impeller 22 as needed. The generator impeller 22 drives the generator 21 to rotate and generate electricity through the reducer 23. To meet the requirements for maintenance of the generator 21 and the reducer 23, a clutch 24 is also provided between the reducer 23 and the generator impeller 22. During normal power generation, the clutch 24 realizes the transmission connection between the reducer 23 and the generator impeller 22. When maintenance is required, the clutch 24 disconnects the transmission connection between the generator impeller 22 and the reducer 23.

[0026] In one embodiment, the diversion plate 31 is fixedly mounted on the hull 11.

[0027] Specifically, the diversion plate 31 can be a separate component, which can be fixedly installed at the corresponding end position of the hull 11 by bolts or other fixing methods during assembly.

[0028] In one embodiment, the hull 11 has an integrally formed guide plate 31 at its end.

[0029] Specifically, the diversion plate 31 can be integrally manufactured with the hull 11. Specifically, during the manufacturing process of the hull 11, an inclined outward extension structure is provided at the corresponding end of the hull 11, and the extension structure is used as the diversion plate 31.

[0030] In one embodiment of this application, a filter screen 4 is further provided between the two hulls 11. The filter screen 4 is arranged on the inlet side of the water flow channel 13 and is configured to filter the water flowing into the water flow channel 13.

[0031] Specifically, when a power generation vessel with pre-filtration function operates in rivers, oceans, or other bodies of water, the water flows through the funnel-shaped inlet 32 ​​of the diversion device 3 and converges into the water flow channel 13 under the guidance of the inlet 32. During this process, all water flowing into the water flow channel 13 must first pass through the filter screen 4. The filter screen 4, through its mesh structure, physically intercepts solid impurities in the water flow: impurities larger than the mesh openings are blocked on the outside of the filter screen 4 and cannot enter the water flow channel 13, thereby protecting the power generation impeller 22 inside the water flow channel 13. In one embodiment, to facilitate later maintenance, the filter screen 4 is installed using a detachable connection structure. Specifically, the filter screen 4 is detachably mounted on the hull 11.

[0032] Specifically, when the impurities attached to the surface of filter screen 4 accumulate to a certain extent, the staff can remove filter screen 4 by unscrewing the bolts, clean it or replace it and reinstall it to ensure that filter screen 4 maintains a good filtration effect for a long time.

[0033] In one embodiment, slots are provided on the inner side of the hull 11, the slots are arranged vertically, and the filter screen 4 is inserted into two of the slots.

[0034] Specifically, the two sides of filter screen 4 are inserted into the corresponding slots on both sides to meet the installation and fixing requirements. During use, the sides of filter screen 4 are inserted into the corresponding slots from above. Then, bolts can be used to further secure filter screen 4 in the slots by passing through the filter screen 4 and the slots in sequence. When it is necessary to inspect or replace filter screen 4, the bolts are removed, and then filter screen 4 is lifted out of the slots.

[0035] In one embodiment, a crane 14 is also provided on the hull 11.

[0036] Specifically, during the loading and unloading of the filter screen 4, the filter screen 4 can be lifted by the crane 14 on the hull 11 to facilitate on-site maintenance operations in the river.

[0037] In another embodiment of this application, two partition plates 15 arranged side by side are provided above the bottom plate 12. The partition plates 15 and the corresponding side of the hull 11 form a current generation channel 131, and the two partition plates 15 form a discharge channel 132. The current generation channel 131 is provided with a switchable first gate 16, and the discharge channel is provided with a switchable second gate 17; The power generation impeller 22 is located in the power generation channel 131.

[0038] Specifically, two parallel partition plates 15 are installed in the water flow channel 13, positioned above the base plate 12 to divide the water flow channel 13 into two power generation channels 131 and one discharge channel 132. The discharge channel 132 is located between the two power generation channels 131. A power generation impeller 22 is installed in the power generation channel 131, and the power generation impeller 22 can rotate under the drive of the water flow to drive the generator 21 to generate electricity. During use, there may be situations where the generator 21 or the power generation impeller 22 needs maintenance. In this case, it is necessary to cut off the water flow in the corresponding power generation channel 131. By controlling the corresponding first gate 16 to close the corresponding power generation channel 131, the water flow in the power generation channel 131 can be cut off, allowing for the maintenance of the corresponding power generation device 2.

[0039] After the corresponding power generation channel 131 is closed by the first gate 16, the water flow rate and velocity in the other power generation channel 131, which is in operation, will increase. If the water flow rate and velocity still meet the power generation requirements of the generator 21, there is no need to control the second gate 17 to open. If the water flow rate and velocity are too high, the second gate 17 can be opened. After the second gate 17 is opened, some water will be directly output through the discharge channel to divert and discharge the flow, thereby ensuring that the rotational speed of the generator impeller 22 in the power generation channel 131 in operation is within a safe range.

[0040] Similarly, if both power generation channels 131 need to be shut off for maintenance, the second gate 17 can be fully opened so that all water flow is discharged through the discharge channel 132.

[0041] At the same time, the opening degree of the first gate 16 and the second gate 17 can be adjusted as needed.

[0042] Specifically, when the water flow velocity and flow rate are too high, if the first gate 16 continues to be fully opened, the excessive water flow impact force may cause the generator impeller 22 to be overloaded and damaged. At the same time, the output power of the generator 21 will exceed the rated range, posing a risk of circuit failure. In this case, when the water flow velocity exceeds the first set value, the opening angle of the first gate 16 is reduced to limit the water flow into the generator channel 131, ensuring that the rotational speed of the generator impeller 22 and the power of the generator 21 are within the safe rated range. At the same time, the second gate 17 is opened to discharge the excess water directly through the discharge channel 132, avoiding the impact of excessive water flow on the structure of the hull 11 and ensuring the overall stability of the equipment.

[0043] When the water flow velocity is too low or the flow rate is too small, if both first gates 16 are open, the driving force of the water flow will be insufficient, causing the generator impeller 22 to not rotate. At this time, when the water flow velocity is lower than the second set value, one of the first gates 16 and the second gate 17 can be closed, and the other first gate 16 can be fully opened. The limited water flow is concentrated into a single generator channel 131. By reducing the flow area, the water flow velocity is increased, so that the generator impeller 22 can obtain sufficient driving force, avoiding a significant drop in power generation efficiency due to excessively low flow velocity.

[0044] The driving method for the first gate 16 and the second gate 17 can adopt the gate driving method on conventional ships. For example, hydraulic drive can be used to open and close the gates. The specific driving method of the gates is not limited here.

[0045] In one embodiment, the partition plate 15 is further provided with an inclined extension 151, and two inclined extensions 151 are joined together. The inclined extension 151 is provided with a drain port 152, and the second gate 17 is provided on the inclined extension 151 and configured to open and close the drain port 152.

[0046] Specifically, in order to reduce water resistance and improve the power generation efficiency of the water flow, an inclined extension 151 is integrally formed at the end of each partition plate 15 away from the power generation impeller 22. The inclined extensions 151 of the two partition plates 15 are symmetrically inclined. The ends of the inclined extensions 151 away from the partition plates 15 are fixedly connected by welding or bolt splicing to form a pointed structure. Under the guiding effect of the inclined extensions 151, it is ensured that the water flow can be smoothly guided along the inclined surface when it flows through, and eddies are avoided.

[0047] In one embodiment, the partition plate 15 is further provided with a protruding structure 153, which extends toward the hull 11 on the corresponding side. Along the water flow direction in the power generation channel 131, the power generation impeller 22 and the protruding structure 153 are arranged in sequence; The protruding structure 153 is provided with a flow-facing surface, which is an arc-shaped structure and is arranged on one side of the power generation impeller 22.

[0048] Specifically, by providing a protruding structure 153 on the partition plate 15, the protruding structure 153 can concentrate the water flow at the power generation impeller 22 and increase the flow velocity through the arc-shaped guide of the flow-facing surface, which greatly improves the utilization efficiency of water kinetic energy.

[0049] In addition, since the protruding structure 153 is arranged downstream of the power generation impeller 22, the water flow drives the power generation impeller 22 to rotate and continue to flow downstream. After the water flow is guided by the front surface of the protruding structure 153, the water flow can further drive the power generation impeller 22 to rotate, so as to maximize the power generation efficiency of the water flow.

[0050] In some embodiments, the distance between the upstream surface and the power generation impeller 22 gradually decreases along the water flow direction in the power generation channel 131.

[0051] Specifically, the guide surface formed by the protruding structure 153 extends around the generator impeller 22, and the distance between the guide surface and the generator impeller 22 gradually decreases along the water flow direction in the generator channel 131. In this way, as the water flows into the area between the guide surface and the generator impeller 22, the gradually changing distance design increases the flow velocity at the end of the water flow, improves the effective driving force of the water flow on the generator impeller 22, and significantly optimizes the efficiency of water kinetic energy transfer and utilization.

[0052] In one embodiment, the backflow surface of the protrusion structure 153 is an inclined surface.

[0053] Specifically, the backflow surface of the protruding structure 153 is arranged opposite to the generator impeller 22, and the inclined surface extends along the direction away from the corresponding side of the hull 11. This allows the water flowing out of the generator channel 131 to be dispersed quickly, thereby improving the drainage smoothness of the generator channel 131.

[0054] The backflow surface and the hull 11 form a funnel-shaped water outlet area. Specifically, as the backflow surface gradually tilts away from the side wall of the hull 11 along the direction of water flow, the distance between it and the side wall of the hull 11 gradually increases, so that the water flowing out from the edge of the flow-inducing surface and the wake output by the generator impeller 22 can flow smoothly out along the funnel-shaped area.

[0055] In one embodiment of this application, the inner end of the guide plate 31 extends obliquely to the power generation impeller 22, and the guide plate 31 partially blocks the power generation impeller 22; The inner end of the diversion plate 31 forms the inlet of the current generation channel 131 between the partition plate 15 on the corresponding side, and the protruding structure 153 forms the outlet between the hull 11 on the corresponding side. Along the water flow direction in the current generation channel 131, the inlet and the outlet are staggered.

[0056] Specifically, in order to further utilize the diversion plate 31 to guide the inflowing water flow and quickly drive the generator impeller 22, the diversion plate 31 extends to the front of the generator impeller 22 and partially blocks the generator impeller 22. Under the guidance of the diversion plate 31, the water flow can impact the side of the generator impeller 22 (the unblocked part), thereby driving the generator impeller 22 to rotate rapidly.

[0057] After the water flow drives the generator impeller 22 to rotate, the water flows along the power generation channel 131 towards the outlet (towards the outlet between the protruding structure 153 and the hull 11). Because the inlet and outlet are staggered along the direction of water flow, the water flowing into the inlet and the residual flow discharged from the outlet are spatially staggered, forming a layered flow pattern in the power generation channel 131 with water entering from the inner front and exiting from the outer rear. This avoids the problem of reduced power generation efficiency caused by water flowing from the inlet across the generator impeller 22 and out of the outlet when arranged on the same axis as in traditional coaxial lines.

[0058] In another embodiment of this application, in order to improve the power generation efficiency of the power generation impeller 22, the power generation impeller 22 includes a connector 221 and a plurality of blades. The blades include a mounting frame 222 and a plurality of baffles 223. The mounting frame 222 is provided with a plurality of through holes 2221. The baffles 223 are hinged to the mounting frame 222 and configured to open and close the through holes 2221. The mounting frame 222 is disposed on the connector 221, and the connector 221 is drivenly connected to the generator 21.

[0059] Specifically, the blade adopts the mounting frame 222 as the main structure. The mounting frame 222 can be processed by conventional methods such as steel pipe welding or casting. The overall structure of the mounting frame 222 is simple and does not need to consider the streamlined design of the blade. It only needs to arrange a corresponding number of through holes 2221 to reduce the obstruction force generated by the blade.

[0060] The generator impeller 22 is vertically arranged in the water. During the rotation of the blades, different blades will alternately generate pushing and blocking forces on the connecting member 221. In order to increase the pushing force generated by the blades and reduce the blocking force generated by the blades, the blade structure has been improved. The blade includes a mounting frame 222 and a baffle 223 set on the mounting frame 222. The mounting frame 222 is provided with a through-hole 2221 to meet the requirement of water flow through the mounting frame 222.

[0061] When the blade moves in the same direction as the water flow, the blade will generate a pushing force on the connector 221. At this time, the baffle 223 on the blade will be located on the front side of the blade. Under the action of the water flow, the baffle 223 will cover the through-hole 2221 on the mounting frame 222, so that the blade can have a sufficiently large effective area to contact the water flow and generate thrust. In turn, the water flow will generate thrust on the blade to the maximum extent to drive the connector 221 to rotate.

[0062] When the blade moves in the opposite direction to the water flow, the blade will exert a blocking force on the connector 221. At this time, the baffle 223 on the blade will be located on the back surface of the blade. Under the action of the water flow, the baffle 223 will leave the through-hole 2221 and thus open the through-hole 2221 on the mounting frame 222, thereby reducing the effective area generated by the blade and the water flow. In this way, the blocking force of the water flow on the blade can be minimized.

[0063] The technical solution of this utility model has the following technical effects compared with the prior art: By setting a diversion device on the floating vessel, the two diversion plates of the diversion device are arranged at an angle to form a funnel-shaped collection port. At the same time, the two hulls of the floating vessel form independent water flow channels on the bottom plate. Along the direction of water flow, the collection port can guide more water into the water flow channel. In conjunction with the water flow channel to restrict the water flow area, it can increase the water flow rate in the water flow channel on the one hand, and increase the water flow velocity in the water flow channel on the other hand. In this way, with the cooperation of the water flow channel and the funnel-shaped collection port, the water flow can be effectively guided through the shallow water area and the water flow velocity can be effectively increased to provide sufficient driving force for the generator impeller. The water flow channel formed by the double hulls and the bottom plate greatly improves the adaptability to the shallow water environment. In addition, the funnel-shaped collection port of the diversion device can more effectively accelerate the water flow, so that the high-speed rotation of the generator impeller can effectively drive the generator to operate, thereby improving the power generation efficiency.

[0064] Example 2, as Figures 7-8 As shown, one embodiment of this application provides a power generation vessel with a pre-filtration function, including a floating vessel 1 and a power generation device 2. The floating vessel 1 forms a water flow channel 13. The power generation device 2 includes a generator 21 and a power generation impeller 22 connected together. The power generation impeller 22 is located in the water flow channel 13. It also includes a pre-treatment component 5. The pre-treatment component 5 includes an anchor 51 and two side frames 52. The two side frames 52 are provided with detachable first filter grilles 53. The first ends of the two side frames 52 are connected together. The anchor 51 is connected to the first ends of the side frames 52 by an iron chain. The second ends of the side frames 52 are connected to the floating vessel 1. The side frames 52 are arranged in front of the inlet side of the water flow channel 13.

[0065] Specifically, the power generation device 2 is mounted on the floating vessel 1, and the power generation impeller 22 is located in the water flow channel 13. The water flowing in the water flow channel 13 drives the power generation impeller 22 to rotate, thereby driving the generator 21 to generate electricity. The water flowing into the water flow channel 13 can be filtered by the pretreatment assembly 5 installed at the front end of the floating vessel 1. Specifically, the floating vessel 1 is placed in the river, and the water in the river flows towards the water inlet side of the water flow channel 13. The water will first flow to the pretreatment assembly 5, and the side frame 52 of the pretreatment assembly 5 uses the first filter grid 53 to filter the water flow. After the branches and weeds in the water flow pass through the first filter grid 53, the branches and weeds will be blocked on the outside of the first filter grid 53, thereby reducing the branches and weeds flowing into the water flow channel 13 and causing damage to the power generation impeller 22.

[0066] The two opposing side frames 52 are arranged at an angle, forming a conical structure, allowing water to flow smoothly through the first filter grid 53 from the side of the side frames 52 for filtration.

[0067] Meanwhile, for the pretreatment component 5, an anchor 51 is connected to the side frame 52 by chains. The anchor 51 will sink into the riverbed during use, thus using it to restrict the position of the floating vessel 1 in the river channel, ensuring its relative stability during hydroelectric power generation. Furthermore, the anchor 51 is connected to the side frame 52 at the front end of the floating vessel 1, allowing it to support and hold the floating vessel 1 in a relatively stable position in the river.

[0068] By installing a pretreatment component 5 on the water inlet side of the floating vessel 1, and installing a first filter grid 53 on the side frame 52 of the pretreatment component 5, the first filter grid 53 can filter the water flowing towards the floating vessel 1. The first filter grid 53 can effectively block weeds or branches in the water flow, thereby reducing the damage of debris in the water flow to the generator impeller 22, and thus improving the reliability of the generator vessel with pre-filtration function.

[0069] In one embodiment, the pretreatment component 5 further includes a bottom frame 54 on which a second filter grid 55 is disposed; The bottom frame 54 is disposed at the bottom of the two side frames 52.

[0070] Specifically, the water in the river mainly flows into the water flow channel 13 of the floating vessel 1 from the side through the first filter screen 53. In order to reduce the amount of debris carried by the rising water at the bottom of the river into the water flow channel 13, a bottom frame 54 can be provided at the bottom of the side frame 52. A second filter screen 55 is provided on the bottom frame 54 so that the water flowing from the bottom can be filtered through the second filter screen 55.

[0071] Under normal circumstances, the water flow in the river is steady, and the water mainly flows into the water flow channel 13 after being filtered by the first filter screen 53. When the water flow in the river changes (such as when a sudden rainstorm causes the water flow to increase and the water level to rise), water also flows into the water flow channel 13 from the bottom through the second filter screen 55. The second filter screen 55 filters the water flowing in from below, reducing the amount of debris from the bottom of the river entering the water flow channel 13 when the water flow changes abruptly, thus improving the reliability of use.

[0072] As for the first filter screen 53 on the side, since it is mainly used to filter the water flow in the river, it needs to be cleaned or replaced regularly. In order to facilitate the replacement and maintenance of the first filter screen 53, slots can be provided on both sides of the side frame 52. The first filter screen 53 is inserted into the two slots and fastened to the side frame 52 with bolts.

[0073] As for the second filter grille 55 at the bottom, since the second filter grille 55 usually blocks the water flow at the bottom, there is less debris accumulating on the outside of the second filter grille 55. Even if the second filter grille 55 is completely blocked, it will not affect the normal water intake at the side frame 52.

[0074] The dimensions of the hollow structure of the first filter grid 53 can be set as needed to meet the water flow filtration requirements of the corresponding river channel.

[0075] In another embodiment, the pretreatment component 5 includes an end connector 56, the first end of the side frame 52 is hinged to the end connector 56, and the anchor 51 is connected to the end connector 56 by a chain.

[0076] Specifically, the end connector 56 can be connected and fixed at the front end of the side frame 52 to install the anchor 51. The side frame 52 will be hinged between the floating vessel 1 and the end connector 56. The side frame 52 can achieve the hinged installation requirements through a connecting shaft, and the specific hinge method is not limited.

[0077] Based on the above embodiment 1, a filter screen 4 can also be installed on the floating vessel 1. The filter screen 4 has a smaller perforated structure than the first filter grid 53, so as to filter the water flow more effectively. The size design of the filter screen 4 and the perforated structure of the first filter grid 53 is designed according to the needs of water flow power generation in the corresponding river channel, and is not limited here.

[0078] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A power-generating vessel with pre-filtration function, comprising a floating vessel and a power generation device, the floating vessel forming a water flow channel, the power generation device comprising a generator and a power generation impeller connected together, the power generation impeller being located in the water flow channel, characterized in that, It also includes a pretreatment assembly comprising an anchor and two side frames, on which a removable first filter grid is provided, the first ends of the two side frames are connected together, the anchor is connected to the first ends of the side frames by a chain, the second ends of the side frames are connected to the pontoon, and the side frames are arranged in front of the inlet side of the water flow channel.

2. The power generation vessel with pre-filtration function according to claim 1, characterized in that, The pretreatment component also includes a bottom frame on which a second filter grid is disposed; The bottom frame is located at the bottom of the two side frames.

3. The power generation vessel with pre-filtration function according to claim 1, characterized in that, The pretreatment assembly includes an end connector, with the first end of the side frame hinged to the end connector, and the anchor connected to the end connector by a chain.

4. The power generation vessel with pre-filtration function according to any one of claims 1-3, characterized in that, The floating vessel is also equipped with a removable filter screen, which is arranged on the inlet side of the water flow channel, and the side frame is arranged on the outside of the filter screen.

5. The power generation vessel with pre-filtration function according to claim 4, characterized in that, The floating vessel includes two hulls and a bottom plate. The two hulls are connected together, and the bottom plate is connected between the two hulls. The two hulls form the water flow channel above the bottom plate, and the filter screen is disposed between the two hulls.

6. The power generation vessel with pre-filtration function according to claim 5, characterized in that, The filter screen is detachably mounted on the hull.

7. The power generation vessel with pre-filtration function according to claim 6, characterized in that, The hull has slots arranged vertically on its inner side, and the filter screen is inserted into two of the slots.

8. The power generation vessel with pre-filtration function according to claim 7, characterized in that, The ship is also equipped with a crane.

9. The power generation vessel with pre-filtration function according to claim 5, characterized in that, The hull is provided with an inclined outward-extending diverter plate at its end, and a flow collection port is formed between two of the diverter plates. The flow collection port is configured to guide water flow into the water flow channel. The filter screen is disposed between the two drainage plates, and the second end of the side frame is hinged to the drainage plate on the corresponding side.

10. The power generation vessel with pre-filtration function according to claim 5, characterized in that, Two partition plates are arranged side by side above the bottom plate. The partition plates and the corresponding side of the hull form a current generation channel, and the two partition plates form a discharge channel. The current generating channel is equipped with a first gate that can be opened and closed, and the discharge channel is equipped with a second gate that can be opened and closed. The power generation impeller is located in the power generation channel.

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