CN215329762U

CN215329762U - Novel hydropower station

Info

Publication number: CN215329762U
Application number: CN202121332470.XU
Authority: CN
Inventors: 成志东; 刘吉臻; 曾军英
Original assignee: Wuyi University Fujian
Current assignee: Wuyi University Fujian
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-28
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a novel hydropower station which comprises a water storage reservoir, a flow dividing assembly and a driving device, wherein the flow dividing assembly is used for buffering water flow discharged by the water storage reservoir, the water storage reservoir is provided with a plurality of water outlets, the water outlets are connected with flow guide grooves used for discharging water flow, the flow dividing assembly is arranged at one ends, away from the water outlets, of the flow guide grooves, the water outlets are provided with water gates, the flow guide grooves are provided with water turbines used for hydroelectric generation, and the driving device is connected with the water gates so as to drive the water gates to ascend and descend to adjust the water discharge of the water storage reservoir. The utility model can stably control the discharged water flow, so that the water flow is smoothly and downstream.

Description

Novel hydropower station

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a novel hydropower station.

Background

The hydropower station stores energy through the reservoir, and then discharges water flow through the gate control switch water channel to generate electricity, but the hydropower station in the related technology is difficult to control the water flow, and the water flow is unstable, so that the downstream irrigation water, domestic water and natural water circulation can be influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a novel hydropower station which can stably control the discharged water flow so as to ensure that the water flow is smoothly and downstream.

The embodiment of the utility model provides a novel hydropower station which comprises a water storage reservoir, a flow dividing assembly and a driving device, wherein the flow dividing assembly is used for buffering water flow discharged by the water storage reservoir, the water storage reservoir is provided with a plurality of water outlets, the water outlets are connected with flow guide grooves used for discharging the water flow, the flow dividing assembly is arranged at one ends of the flow guide grooves far away from the water outlets, the water outlets are provided with water gates, the flow guide grooves are provided with water turbines used for hydroelectric generation, and the driving device is connected with the water gates so as to drive the water gates to lift and lower to adjust the water discharge of the water storage reservoir.

The novel hydropower station provided by the embodiment of the utility model at least has the following beneficial effects: the reservoir is provided with a plurality of delivery ports, and every delivery port all is provided with the sluice, and the sluice is connected with drive arrangement, and under drive arrangement's drive is adjusted, each sluice independently goes up and down to can control the discharge of novel power station emission, reduce the influence to novel power station low reaches. In addition, each water outlet is connected with a diversion trench, and one end of each diversion trench, which is far away from the water outlet, is also provided with a diversion assembly, and the diversion assembly can buffer water flow discharged from the water storage, so that the water flow smoothly flows downwards, and the influence on the downstream water flow caused by the fact that the river bank is broken down due to overlarge impact force of the discharged water flow is avoided.

According to some embodiments of the utility model, the bottom of the diversion trench is provided with a base for increasing the height of the diversion trench, so that the diversion trench is prevented from being blocked by sundries to discharge water flow.

According to some embodiments of the utility model, the base is provided with a bottom plate extending along the direction of the diversion trench, and the diversion assembly is arranged on the bottom plate, so that the buffering effect is improved.

According to some embodiments of the utility model, a water baffle for buffering water flow discharged from the storage reservoir is arranged above the diversion trench, so that the water flow buffering effect is improved, and the power generation effect of the water turbine is improved.

According to some embodiments of the utility model, the bottom of the water baffle is provided with a telescopic rod for adjusting the height of the water baffle, the telescopic rod is arranged on the side wall of the diversion trench, and the telescopic rod is connected with the driving device, so that the water flow can be conveniently adjusted.

According to some embodiments of the utility model, the water storage reservoir comprises an upper water storage reservoir and a lower water storage reservoir which are communicated with each other, the upper water storage reservoir is positioned above the lower water storage reservoir, the upper water storage reservoir is provided with a first water pump which is communicated with the upper water storage reservoir, and the first water pump is connected with the driving device, so that the energy storage and power generation of the hydropower station are realized, and the water flow is controlled.

According to some embodiments of the utility model, the water storage upper reservoir is further provided with a first drainage pipe, one end of the first drainage pipe is communicated with the water storage upper reservoir, and the other end of the first drainage pipe extends to the water gate, so that energy storage and power generation of the hydropower station are realized, and the water flow is controlled.

According to some embodiments of the utility model, a reservoir switch for controlling the water discharge of the water storage reservoir is arranged in the first water discharge pipe, and the reservoir switch is connected with the driving device and used for controlling the water flow discharge of the water storage reservoir.

According to some embodiments of the present invention, a water level sensor for detecting water level data of the water discharged from the water storage is disposed at the bottom of the diversion trench, and the water level sensor is connected to the driving device, so that the driving device drives the sluice to ascend and descend according to the water level data, and can control water flow according to the water level data.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a novel hydroelectric power plant in accordance with some embodiments of the present invention;

fig. 2 is a schematic cross-sectional view of a draft trough of the novel hydroelectric power plant in accordance with some embodiments of the present invention;

fig. 3 is a schematic diagram of the structure of a novel hydroelectric power plant according to further embodiments of the present invention.

Reference numerals: the novel hydropower station comprises a novel hydropower station 100, a water storage reservoir 110, an upper water storage reservoir 111, a lower water storage reservoir 112, a water gate 120, a diversion trench 130, a water turbine 131, a diversion assembly 140, a base 150, a bottom plate 160, a water baffle 170, a telescopic rod 180, a first water pump 190, a first drainage pipe 200 and a water level sensor 210.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described above with reference to the drawings are illustrative only and should not be construed as limiting the utility model.

In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and the meaning of inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention in combination with the detailed contents of the technical solutions.

The utility model provides a novel hydropower station which comprises a water storage reservoir, a flow dividing assembly and a driving device, wherein the flow dividing assembly is used for buffering water flow discharged from the water storage reservoir, the water storage reservoir is provided with a plurality of water outlets, the water outlets are connected with a flow guide groove used for discharging the water flow, the flow dividing assembly is arranged at one end, away from the water outlets, of the flow guide groove, the water outlets are provided with water gates, the flow guide groove is provided with a water turbine used for hydroelectric generation, and the driving device is connected with the water gates to drive the water gates to lift and adjust the water discharge of the water storage reservoir, so that the discharged water flow can be stably controlled, and the water flow is enabled to be horizontally stabilized and flow downstream.

The embodiments of the present invention will be further explained with reference to the drawings.

The present invention provides a novel hydropower station 100.

With reference to fig. 1, it will be appreciated that the novel hydroelectric power plant 100 is provided with a reservoir 110, a diversion assembly 140 and a drive. The side wall of the water storage 110 is provided with a plurality of water outlets, each water outlet is provided with a water gate 120, all the water gates 120 are connected with a driving device, and the driving device can adjust the water gates 120 to independently lift, so that the water discharge of the water storage 110 can be controlled. For example, 10 water outlets are formed in the side wall of the water storage 110, and each water outlet is provided with a water gate 120, so that the water storage 110 is correspondingly provided with 10 water gates 120. Under the condition that the river water level is low, namely the water source at the downstream is lacked, the driving device can drive 8 water gates 120 to rise, the drainage channel of the storage reservoir 110 is enlarged, the drainage quantity is increased, and the downstream water flow of the novel hydropower station 100 is adjusted. For another example, under the condition that the river water level is high, that is, the downstream water source is abundant, the driving device can drive the 4 water gates 120 to rise, so that the drainage channel of the reservoir 110 is reduced, the drainage quantity is reduced, the downstream river of the novel hydropower station 100 is prevented from flooding, and water storage and energy storage are performed. Each water outlet is also connected with a diversion trench 130, the diversion trench 130 can guide the water source of the storage reservoir 110 to flow into the river channel, a water turbine 131 is arranged on the diversion trench 130, the water turbine 131 is pushed to rotate by the pressure of the water flow discharged from the diversion trench 130, the gravitational potential energy of the water flow is converted into mechanical energy, then power generation is carried out, and the hydraulic resources are fully utilized. The diversion assembly 140 is further arranged at one end, far away from the water outlet, of the diversion trench 130, the diversion assembly 140 can conduct diversion buffering on a water source flowing out of the diversion trench 130, and the problem that impact force of water flow is too large in the discharging process, so that a river bank is broken, a river bed is damaged, and water flow at the downstream is influenced is avoided.

It should be noted that the driving device can drive different numbers of water gates 120 to ascend and descend according to the water level data of the river channel, and adjust the water flow; the driving device can also drive the water gates 120 at different positions to lift according to the water flow direction of the river channel, so as to adjust the water flow direction; the driving device can also drive the lifting height of the sluice 120 to adjust the water discharge in a certain time; in addition, the driving device can also drive a small part of the sluice gates 120 to rise in the low-valley period of the electric load, at the moment, the water discharge of the water storage 110 is smaller than the water inlet quantity, and a water source can be introduced into the water storage 110 to store water; the driving device can also drive all the water gates 120 to rise during the peak period of the power load, and all the water sources stored in the water storage 110 are discharged to generate power, so that the power utilization pressure is relieved.

It should be noted that, novel power station 100 can also be equipped with the dam, storage reservoir 110 is located the downstream side of dam, storage reservoir 110 sets up along the river course direction, and delivery port and guiding gutter 130 all face the river course, thereby novel power station 100 does not receive the restriction of river course width, can design according to the demand, also do not influence river flow, can not cause and cut off river, influence the water source environment in river course low reaches, thereby can reduce the space that novel power station 100 occupied, the low head water conservancy resource that can make full use of narrow river course generates electricity, and resource utilization is improved. In addition, a water feeding pump is arranged on the upstream side of the dam, a water diversion channel is arranged on the downstream side of the dam, the water feeding pump and the water diversion channel are both connected with the water storage reservoir 110, the hydraulic resources on the upstream side of the dam are rich, the power generation efficiency is higher, and under the condition of a power utilization peak period, the water feeding pump can be driven to pump the rich hydraulic resources on the upstream side of the dam into the water storage reservoir 110, so that the water flow entering the water storage reservoir 110 is improved, the power generation capacity is improved, and the stability of a power grid is maintained. The water flow on the downstream side of the dam is smooth, and the water can be naturally introduced into the water storage reservoir 110 by using the water diversion channel to generate electricity under the condition of the electricity consumption valley period, so that the energy consumption is saved.

It should be noted that, guiding gutter 130 one end is connected at the delivery port, and the other end extends to the rivers direction in river course, and wherein, guiding gutter 130 can leave the distance with the riverbed in river course, and the rivers direction contained angle of guiding gutter 130 and river course can set up at 30 degrees to 60 degrees to help rivers to receive gravity along river course direction discharge, improve displacement and do not influence the rivers direction in novel hydropower station 100 low reaches, make full use of the water conservancy resource in narrow river course.

With reference to fig. 2, it can be understood that the base 150 is disposed at the bottom of the diversion trench 130, and the base 150 can increase the height of the diversion trench 130, so that a gap is left between the diversion trench 130 and the river bed or the ground, thereby preventing the diversion trench 130 from being blocked by settled sand, fine stones or plants, preventing the drainage of the diversion trench 130 from being affected, maintaining the drainage of the diversion trench 130 smooth, and enabling the water flow to flow downstream smoothly.

It can be understood that the base 150 is provided with a bottom plate 160 extending along the direction of the diversion trench 130, and the diversion assembly 140 is disposed on the bottom plate 160, and the bottom plate 160 can fix the diversion assembly 140, so as to prevent the diversion assembly 140 from being displaced due to an excessive impact force of the water flow and affecting the buffering effect of the diversion assembly 140. The water flow discharged from the water outlet is discharged to the diversion assembly 140 under the guiding action of the diversion trench 130, a section of distance for water flow buffering is reserved between the diversion assembly 140 and the diversion trench 130, and the diversion assembly 140 is positioned below the side of the diversion trench 130, so that the impact force of the water flow can be buffered as much as possible, and the phenomenon that the impact force of the discharged water flow on the river channel is too large to damage the river bed, collapse the river bank and influence the downstream water flow is avoided.

It can be understood that, during the process of discharging the water flow from the diversion trench 130, the water flow speed is too high due to the unstable water flow, and if the high-speed water flow is directly discharged, the riverbed is easily damaged, and the downstream water flow is affected. Therefore, by providing the water guard plate 170 above the guide groove 130, the flow discharged from the guide groove 130 is decelerated, so that the impact of the flow on the river channel is reduced, and the flow can smoothly flow downstream. In addition, the water baffle 170 can guide the flow direction of the water flow, so that the water flow discharged from the storage reservoir 110 flows out from the diversion trench 130, the water turbine 131 on the diversion trench 130 is pushed to rotate, the hydraulic resources are fully utilized, and the power generation effect is improved.

It can be understood that, the bottom of breakwater 170 still is provided with telescopic link 180, the bottom at breakwater 170 is connected to telescopic link 180 one end, the other end sets up the lateral wall at guiding gutter 130, telescopic link 180 is connected with drive arrangement, thereby drive arrangement can drive telescopic link 180 and change the length of telescopic link 180, adjust the height of breakwater 170, adjust the water guide volume of breakwater 170, rationally guide to the discharge in different seasons, avoid it to receive too big impact or inefficiency water guide, improve the stability of discharge rivers, improve the utilization ratio at water source.

Referring to fig. 3, it can be understood that the water storage 110 includes an upper water storage 111 and a lower water storage 112, wherein the upper water storage 111 is communicated with the lower water storage 112, and the upper water storage 111 is disposed above the lower water storage 112. The upper water storage reservoir 111 is also provided with a first water pump 190, and the first water pump 190 is connected with the driving device, so that the first water pump 190 can convey a water source to the upper water storage reservoir 111 above the lower water storage reservoir 112 under the driving of the driving device, the gravitational potential energy of the water source is increased, and energy storage is performed. The underwater storage reservoir 112 may be provided with a water outlet, a diversion trench 130, a sluice 120 and a water turbine 131, so that a water source stored in the upper storage reservoir 111 flows to the underwater storage reservoir 112 and is discharged from the water outlet, thereby increasing power generation. For example, during the low-ebb period of the power load, the driving device drives the first water pump 190 to deliver the water source to the upper water storage reservoir 111 for storage, and during the high-peak period of the power load, the water source stored in the upper water storage reservoir 111 is discharged to the lower water storage reservoir 112 for power generation, so that the surplus electric energy generated when the load of the power grid is low can be converted into high-value electric energy during the peak period of the power grid. In addition, in the period of flooding river water in rainy season, the driving device can drive the first water pump 190 to convey redundant water sources to the upper water storage reservoir 111 for storage, and in the period of dry river water in dry season, the driving device can discharge the water sources from the upper water storage reservoir 111 to adjust the downstream water flow.

It can be understood that the upper water storage reservoir 111 is also provided with the first water drainage pipe 200, one end of the first water drainage pipe 200 is communicated with the upper water storage reservoir 111, and the other end extends to the water gate 120, so that the water stored in the upper water storage reservoir 111 can be directly drained to the water gate 120 through the first water drainage pipe 200 to generate electricity, the gravitational potential energy of the high water source is fully utilized, and the generating efficiency is improved.

It can be understood that a reservoir switch is further disposed in the first drainage pipe 200, the reservoir switch is connected to the driving device, and the reservoir switch can adjust the first drainage pipe 200 to be turned on or turned off, so that the storage reservoir 111 can be controlled to drain water under the driving of the driving device, and the drainage amount is conveniently controlled.

It can be understood that a water level sensor 210 is further disposed at the bottom of the diversion trench 130, the water level sensor 210 can detect water level data of the water output of the storage reservoir 110, and the water level sensor 210 is connected to a driving device, so that the driving device can drive the water gate 120 to move up and down according to the water level data. For example, if the water level data of the discharge water volume of the storage reservoir 110 is high, it is considered that the downstream water source is rich, and the driving device may drive part or all of the floodgates 120 to descend for storing water and adjusting the downstream water volume; for another example, if the water level data of the discharge water amount of the storage reservoir 110 is low, it is determined that the downstream water source is deficient, and the driving device may drive part or all of the floodgates 120 to be lifted, so as to perform discharge and generate power, and adjust the downstream water amount.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A new type of hydropower station is characterized in that, comprising: a water storage reservoir, a diverter assembly and a drive device for buffering the water flow discharged from the water storage reservoir, the water storage reservoir is provided with a plurality of water outlets, and the water outlet is connected to a useful In the diversion groove that discharges the water flow, the diversion component is arranged at the end of the diversion groove away from the water outlet, the water outlet is provided with a sluice, and the diversion groove is provided with a water turbine for hydroelectric power generation, so The driving device is connected with the water gate, so as to drive the water gate to rise and fall to adjust the drainage volume of the water storage tank.

2 . The new type of hydropower station according to claim 1 , wherein the bottom of the diversion groove is provided with a base for increasing the height of the diversion groove. 3 .

3 . The new type of hydropower station according to claim 2 , wherein the base is provided with a bottom plate extending along the direction of the diversion groove, and the flow distribution assembly is disposed on the bottom plate. 4 .

4 . The new type of hydropower station according to claim 1 , wherein a water baffle plate for buffering the water flow discharged from the water storage tank is provided above the diversion groove. 5 .

5 . The new type of hydropower station according to claim 4 , wherein a telescopic rod for adjusting the height of the water blocking board is provided at the bottom of the water blocking board, and the telescopic rod is provided on the side of the diversion groove. 6 . wall, and the telescopic rod is connected with the drive device.

6 . The new type hydropower station according to claim 1 , wherein the water storage reservoir comprises a water storage reservoir and an underwater storage reservoir that communicate with each other, and the water storage reservoir is located above the underwater storage reservoir, and the The water storage reservoir is provided with a first water pump in communication, and the first water pump is connected with the driving device.

7 . The new type of hydropower station according to claim 6 , wherein the water storage tank is further provided with a first drain pipe, one end of the first drain pipe is communicated with the water storage tank, and the other end extends to the water storage tank. 8 . Said sluice.

8 . The new type of hydropower station according to claim 7 , wherein a reservoir switch for controlling the drainage of the water storage reservoir is provided in the first drainage pipe, and the reservoir switch is connected with the driving device. 9 .

9. The novel hydropower station according to any one of claims 1 to 8, wherein a water level sensor for detecting the water level data of the water discharge amount of the reservoir is provided at the bottom of the diversion groove, and the water level sensor is connected to the The driving device is connected so that the driving device drives the sluice up and down according to the water level data.