阅读说明：本技术 一种集成振荡水柱式波浪能发电装置自提升箱式取水戽头及其使用方法 (Self-lifting box type water taking scoop head of integrated oscillating water column type wave energy power generation device and using method thereof ) 是由 翟钢军 马哲 魏子豪 马子然 娄哲瀚 丁悦 于 2019-10-12 设计创作，主要内容包括：本发明公开一种集成振荡水柱式波浪能发电装置自提升箱式取水戽头及其使用方法,属于海水取水工程装备制造领域。该取水戽头包括振荡水柱腔室、电力转换系统、泥沙沉淀池和输水管线。振荡水柱腔室通过形成上下振荡的水柱,使气体压缩或膨胀,带动腔室顶部叶片的旋转,最终可供给输水管线取水戽头处水泵的用电需要；在振荡水柱腔室中被利用后的海水,流入泥沙沉淀池中沉淀泥沙,最后经水泵提升沿输水管道送至岸上。提升水位所需电能直接由波浪能转化装置提供,可实现水位的自提升；将水位提升过程从岸边的提升泵房移至取水戽头内部,节省了陆地空间资源；振荡水柱腔室可有效消耗海水动能,使海水充分静置,最终使得取水处的水质更好。(The invention discloses an integrated oscillating water column type wave energy power generation device self-lifting box type water taking scoop head and a use method thereof, and belongs to the field of manufacturing of seawater taking engineering equipment. The water intake scoop head includes an oscillating water column chamber, a power conversion system, a silt settling tank, and a water delivery line. The oscillating water column chamber compresses or expands gas by forming an up-and-down oscillating water column to drive the blades at the top of the chamber to rotate, and finally, the oscillating water column chamber can supply power requirements for a water pump at the water taking bucket head of a water delivery pipeline; the seawater utilized in the oscillating water column chamber flows into a sediment sedimentation tank to sediment, and is lifted by a water pump and conveyed to the shore along a water conveying pipeline. The electric energy required for lifting the water level is directly provided by the wave energy conversion device, so that the self-lifting of the water level can be realized; the water level lifting process is moved from a lifting pump room at the bank to the interior of the water taking bucket head, so that land space resources are saved; the oscillating water column chamber can effectively consume the kinetic energy of the seawater, so that the seawater fully stands, and finally the water quality at the water taking position is better.)

1. An integrated oscillating water column type wave energy power generation device self-lifting box type water bucket head is characterized in that the self-lifting box type water bucket head is of a box structure and comprises an oscillating water column cavity, an electric power conversion system, a sedimentation tank (5), a cushion layer slope finding (11), a water delivery pipeline (6), a lifting water pump (7) and an access hole (12);

the oscillating water column chamber is an oscillating water column type wave energy power generation device, is positioned in front and comprises a wave inlet (1), a baffle plate A (2), blades (3) and an air chamber (4); the wave inlet (1) is positioned at the middle lower part of the front side wall surface of the box type water scooping bucket head; the upper wall surface is provided with a baffle A (2), the baffle A (2) is close to the front side wall surface, and the baffle A (2) is not connected with the opposite side wall surface of the self-lifting box type water taking bucket head and is used for reducing the flow velocity of seawater entering the sedimentation tank (5); the air chamber (4) is a closed air chamber formed among the baffle A (2), the front side wall surface of the box type water taking bucket head and the seawater entering the oscillating water column chamber through the wave inlet (1); the blades (3) are fixed at the top of the box-type water taking bucket head and positioned above the air chamber (4), and the air can rotate to generate electricity through the blades (3) when entering and exiting the air chamber (4);

the sedimentation tank (5) is arranged below the rear side of the box type water taking bucket head and is used for depositing silt; a sand discharge pump (8) is arranged in the sedimentation tank (5), and the settled silt is discharged out of the box-type water taking bucket head through the sand discharge pump (8), wherein a gap is reserved between the sand settling chamber (8) and the side wall surface at the rear part; a baffle B (13) is arranged on the side edge of the sedimentation tank (5) on the lower wall surface and far away from the baffle A (2), the baffle B (13) is not connected with the wall surface of the self-elevating box type water taking bucket head on the opposite side of the baffle B (13), and a gap is reserved between the baffle B (13) and the rear wall surface; the cushion layer slope finding (11) is of a slope structure, is arranged above the lower wall surface and is positioned between the sedimentation tank (5) and the wave inlet (1), so that large particles in seawater can fall into the sedimentation tank (5); the access hole (12) is arranged at the top of the box type water taking bucket head and is used for daily maintenance;

the power conversion system is fixed at the top of the box type water taking bucket head and comprises a generator set (9) and a storage battery (10); the generator set (9) is connected with the blades (3); the storage battery (10) is connected with the generator set (9), and the output power of the oscillating water column type wave power generation device is coordinated when being not matched with the input power required by the lifting water pump (7), so that reasonable utilization of energy is guaranteed;

the water delivery pipeline (6) is vertically fixed between the rear side wall surface of the box type water taking bucket head and the baffle B (13); the lifting water pump (7) is respectively connected with the water pipeline (6) and the generator set (9), the generator set (9) is driven to operate by electric power generated by the oscillating water column type wave power generation device, the lifting water pump (7) is driven to convey seawater to the shore along the water pipeline (6), and water taking work is completed.

2. An integrated oscillating water column wave energy generation device according to claim 1, characterized in that the wave inlet (1) is arranged in the form of a grid.

3. A method of using an integrated oscillating water column wave energy generation device as defined in claim 1 or 2 from a lift box water scoop head, wherein during operation:

external waves enter an oscillating water column cavity from a wave inlet (1) to form an up-and-down oscillating water column, and the conversion efficiency of the oscillating water column type wave energy power generation device and the flow of a box type water taking bucket head are controlled by controlling the size of the wave inlet (1); the continuous oscillation of the water column enables the air pressure change generated in the air chamber (4) to drive the blades (3) to rotate, and the blades (3) rotate to drive the generator set (9) to operate, so as to drive the lifting water pump (7) to operate; in addition, the change of the wave water power condition can cause the instability of the energy output power of the oscillating water column type wave energy power generation device, and when the output power of the oscillating water column type wave energy power generation device is larger than the input power required by the lifting water pump (7), the storage battery (10) stores redundant electric energy; when the output power of the oscillating water column type wave power generation device is smaller than the input power required by the lifting water pump (7), the energy stored by the storage battery (10) is released to ensure the normal work of the water taking bucket head;

after the seawater passes through an oscillating water column cavity formed by a baffle A (2), blades (3) and an air chamber (4), wave energy is converted into mechanical energy to be dissipated in a large quantity, and then the seawater fully stands in a sediment sedimentation tank (5) through a baffle B (13) to form a relative still water surface with a certain height in a box type water taking bucket head; the seawater after standing is conveyed to the shore along a water conveying pipeline (6) under the action of a lifting water pump (7), and the water taking work is finished.

Technical Field

The invention belongs to the field of manufacturing of seawater taking engineering equipment, and relates to a self-lifting box type water taking scoop head of an integrated oscillating water column type wave power generation device and a using method thereof.

Background

The large-scale thermal power plant needs to continuously extract cooling water to maintain the normal operation of the equipment, and the sea-going engineering thereof comprises a water intake and a water delivery pipeline, wherein the water intake is generally in the form of a scoop head. In order to ensure that the quality of the obtained cooling water is good (mainly the content of substances such as silt, algae and the like is low), the seawater is kept still enough after entering the water taking bucket head so as to fully precipitate the silt, and the traditional box type water taking bucket head is provided with two baffles to fulfill the aim of weakening the hydrodynamic force; in addition, under traditional water intaking mode, the nearly bank end of gravity type raceway links to each other with the elevator pump house, realizes the first promotion of water level, and the normal work of elevator pump house needs external electric power to drive. With the increasing demand for global energy, the development and utilization technology of novel renewable energy is mature, and as a novel energy source with large reserves and easy utilization, people have developed various wave energy conversion devices.

The working principle of the wave energy conversion device is as follows: the wave kinetic energy is converted into mechanical energy of the device and further into electric energy which can be directly utilized by human beings. In order to fully utilize the electric energy generated by the wave energy conversion device, a lifting water pump is arranged in the traditional box type water taking bucket head and is directly driven by the electric power generated by the wave energy conversion device, so that the self-lifting of the water level at the water taking bucket head is realized, namely, the water taking bucket head capable of self-lifting is invented, and the water taking requirement of engineering projects is met. Meanwhile, the wave conditions at the front end of the water taking bucket head directly influence the quality of water taken from the rear, the wave energy conversion device and the traditional water taking bucket head are organically combined, the wave energy at the front end of the water taking bucket head can be greatly consumed, and therefore the water quality at the rear is improved. In addition, compared with the traditional gravity type drainage water taking bucket head bank connection type, the water taking platform moves the lifting water pump into the platform, and can replace a water storage tank and a lifting pump room in the traditional water taking engineering bank connection facility, so that land space resources are saved. In the invention, the wave energy conversion device is finally adopted in consideration that the wave energy conversion device with oscillating water column type (OWC) is the wave energy conversion device which is most researched and built in various countries at present and has compatible space layout with the traditional box type water taking bucket head.

Disclosure of Invention

Aiming at the defects in the prior art, the invention organically combines the traditional box type water taking bucket head and the oscillating water column type wave energy conversion device into a whole according to the respective working principles and compatible spatial layout of the traditional box type water taking bucket head and the oscillating water column type wave energy conversion device, namely the self-lifting box type water taking bucket head of the integrated oscillating water column type wave energy power generation device is a comprehensive device for self-lifting the water level in the box type water taking bucket head by applying the oscillating water column type (OWC) wave energy conversion device.

In order to achieve the purpose, the invention adopts the following technical scheme:

an integrated oscillating water column type wave energy power generation device is a box-type structure and comprises an oscillating water column cavity, an electric power conversion system, a sedimentation tank 5, a cushion layer slope-finding 11, a water delivery pipeline 6, a lifting water pump 7, an access hole 12, side wall surfaces, an upper wall surface and a lower wall surface which are vertical to the side wall surfaces.

The oscillating water column chamber is an oscillating water column type wave energy power generation device, is positioned in front and comprises a wave inlet 1, a baffle A2, blades 3 and an air chamber 4. The wave inlet 1 is positioned at the middle lower part of the front side wall surface of the box type water taking scoop head, and the conversion efficiency of the oscillating water column type wave energy power generation device and the flow rate of the box type water taking scoop head are controlled by controlling the size of the wave inlet 1. The baffle A2 is arranged on one side of the box-type structure close to the front side wall surface, the top of the baffle A2 is fixedly connected with the upper wall surface, a gap is reserved between the bottom of the baffle A2 and the lower wall surface, namely the baffle A2 is not connected with the opposite side wall surface, and the baffle A2 is used for reducing the flow velocity of seawater entering the sedimentation tank 5. The air chamber 4 is a closed air chamber formed by a baffle plate A2, the front side wall surface of the box type water bucket head and the seawater entering the oscillating water column chamber through the wave inlet 1. The blades 3 are fixed at the top of the box-type water taking bucket head and positioned above the air chamber 4, the blades 3 rotate in the same direction under the action of the two-way airflow, and the air can generate electricity when entering and exiting the air chamber 4, so that the generating efficiency is improved.

The sedimentation tank 5 is arranged below the rear side of the box type water taking bucket head and is used for depositing silt; the sedimentation tank 5 is provided with a sand discharge pump 8, and the settled silt is discharged out of the box-type water taking bucket head through the sand discharge pump 8, wherein a gap is reserved between the sand settling chamber 8 and the rear side wall surface. A baffle B13 is arranged on the side of the sedimentation tank 5 far away from the baffle A2, a space is reserved between the top of the baffle B13 and the upper wall surface, the bottom of the baffle B13 is fixedly connected with the lower wall surface, a space is reserved between the baffle B13 and the rear wall surface, namely the baffle B13 is not connected with the opposite wall surface, and is used for reducing the seawater energy and the seawater flow velocity. The cushion layer slope finding 11 is of a slope structure, is arranged above the wall surface below and is positioned between the sedimentation tank 5 and the wave inlet 1, so that large particles in seawater can fall into the sedimentation tank 5. The access hole 12 is arranged at the top of the box type water taking bucket head and is used for daily maintenance work.

The power conversion system is fixed at the top of the box type water taking bucket head (fixed on the upper wall surface), and comprises a generator set 9 and a storage battery 10; the generator set 9 is connected with the blades 3; the storage battery 10 is connected with the generator set 9, and the output power of the oscillating water column type wave energy power generation device is coordinated when being not matched with the input power required by the lifting water pump 7, so that reasonable utilization of energy is guaranteed.

The water delivery pipeline 6 is vertically fixed between the rear side wall surface of the box type water taking scoop head and the baffle B13; the lifting water pump 7 is respectively connected with the water conveying pipeline 6 and the generator set 9, and the generator set 9 is driven to run by electric power generated by the oscillating water column type wave energy power generation device, so that the lifting water pump 7 is driven to convey seawater to the shore along the water conveying pipeline 6, and water taking work is completed.

Furthermore, the wave inlet 1 is arranged in a grid form, so that the content of silt and algae in the seawater can be further reduced.

The working process of the self-lifting box type water taking scoop head of the integrated oscillating water column type wave energy power generation device is as follows:

in the working process, external waves firstly enter the oscillating water column chamber through the wave inlet 1 to form an up-and-down oscillating water column. The continuous oscillation of the water column enables the gas in the air chamber 4 to continuously repeat the processes of compression and expansion, and the generated air pressure changes to drive the blades 3 at the top of the oscillating water column type wave energy power generation device to rotate, so that the conversion of wave kinetic energy to mechanical energy of the blades 3 is realized. The size of the wave inlet 1 controls the water taking flow when the water bucket head normally works and the energy conversion efficiency of the oscillating water column type wave energy power generation device. Subsequently, the rotation of the blades 3 drives the generator set 9 to operate, i.e. the conversion from the mechanical energy of the blades to the output electric energy of the generator set is completed, so as to drive the lift water pump 7 to operate. In addition, the change of the wave water power condition can cause the instability of the energy output power of the oscillating water column type wave energy power generation device, and the input power required by the lifting water pump 7 is constantly changed due to the adjustment of the actually required water taking flow, so that the reasonable utilization of energy is ensured by the storage battery 10 in consideration of the fact that the input power and the output power cannot be constantly matched, namely when the output power of the oscillating water column type wave energy power generation device is greater than the input power required by the lifting water pump 7, the storage battery 10 stores redundant electric energy; when the output power of the oscillating water column type wave energy power generation device is smaller than the input power required by the lifting water pump 7, the energy stored in the storage battery 10 is released to ensure the normal work of the water taking bucket head.

After the seawater passes through an oscillating water column cavity formed by the baffle A2, the blades 3 and the air chamber 4, wave energy is converted into mechanical energy to be largely dissipated, the seawater is fully stood in the sediment sedimentation tank 5 under the action of the baffle B13 (sediment precipitated is discharged out of the tank through the sediment discharge pump 8), and a relative still water surface with a certain height is formed in the box type water taking bucket head. The standing seawater is conveyed to the shore along the water conveying pipeline 6 under the action of the lifting water pump 7, and the water taking work is finished.

The invention has the beneficial effects that: 1) according to the invention, the lifting water pump is arranged in the traditional box type water taking bucket head, and the lifting water pump is directly driven by electric power generated by the wave energy power generation device, so that the self-lifting of the water level at the water taking bucket head is realized; 2) according to the invention, a wave dissipation area of a traditional box type water taking bucket head is transformed into an oscillating water column system, sea water greatly consumes own wave energy after passing through the oscillating water column system, and the effect of an original baffle plate is added, so that the improvement of rear water quality can be realized; 3) the invention moves the lifting water pump to the interior of the box type water taking scoop head, replaces the reservoir and the lifting pump room in the bank connecting facility of the traditional water taking project, thereby saving land space resources.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a self-elevating box type water scooping bucket head of an integrated oscillating water column type wave energy power generation device of the invention;

fig. 2 is a schematic sectional structure view of a self-elevating box type water scoop head of an integrated oscillating water column type wave energy power generation device of the present invention;

FIG. 3 is a schematic cross-sectional view of a conventional box-type water scoop head;

in the figure: 1, a wave inlet; 2, a baffle A; 3, blades; 4, an air chamber; 5, a sedimentation tank; 6, a water conveying pipeline; 7 lifting the water pump; 8, a sand discharge pump; 9 generator set; 10, a storage battery; 11, finding a slope on the cushion layer; 12, a manhole; 13 baffle B.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 2 and 3, the invention builds an artificial trestle from the bank to the water taking scoop head on the basis of the traditional box type water taking scoop head, and cancels the prior gravity type water transmission pipeline, and changes the water transmission pipeline 6 equipped with a lifting water pump 7, and the water transmission pipeline 6 is connected to the bank through the artificial trestle. In addition, the access hole in the right space of the baffle inside the water taking scoop head is changed into a blade 3 which rotates in the same direction under the action of bidirectional air flow, and the blade 3 is connected with a generator set 9 at the upper end of the water taking scoop head and is provided with a storage battery 10. The generator set 9 is connected with the lifting water pump 7, and the water level can be lifted automatically. The concrete structure is as follows:

an integrated oscillating water column type wave energy power generation device is from promoting box water scoop head, and this box water scoop head is box structure, includes oscillating water column type wave energy power generation device, power conversion system, sedimentation tank 5, bed course look for slope 11, raceway 6, lift pump 7 and manhole 12.

The oscillating water column type wave energy power generation device comprises a wave inlet 1, a baffle A2, blades 3 and an air chamber 4; the wave inlet 1 is positioned at the lower part of the side wall surface of the box type water taking bucket head, and the wave inlet 1 is in a grid form, so that the content of silt and algae in seawater is reduced. The baffle A2 is arranged at the top of the box type water taking scoop head near the side wall surface, and the baffle A2 is not connected with the opposite side wall surface of the box type water taking scoop head. A closed air chamber 4 is formed among the baffle A2, the side wall surface of the box type water taking scoop head and the seawater entering through the wave inlet 1; the blades 3 are fixed at the top of the box-type water taking bucket head and positioned above the air chamber 4, the blades 3 rotate in the same direction under the action of the two-way airflow, and the air can generate electricity when entering and exiting the air chamber 4, so that the generating efficiency is improved.

The sedimentation tank 5 is arranged below the side of the box-type water taking bucket head and behind the oscillating water column type wave energy power generation device and is used for depositing silt; a sand discharge pump 8 is arranged in the sedimentation tank 5, and the settled silt is discharged out of the box-type water taking bucket head through the sand discharge pump 8. A baffle B13 is arranged on the side of the sedimentation tank 5 far away from the baffle A2, the baffle B13 is not connected with the wall surface of a box-type water taking bucket on the opposite side, and the baffle B13 is used for reducing the seawater energy and reducing the seawater flow velocity. The cushion layer slope finding 11 is of a slope structure and is arranged between the sedimentation tank 5 and the wave inlet 1, so that large particles in seawater can fall into the sedimentation tank 5.

The power conversion system is fixed at the top of the box type water taking bucket head and comprises a generator set 9 and a storage battery 10; the generator set 9 is connected with the blades 3; the storage battery 10 is connected with the generator set 9, and the output power of the oscillating water column type wave energy power generation device is coordinated when being not matched with the input power required by the lifting water pump 7, so that reasonable utilization of energy is guaranteed.

The water delivery pipeline 6 is vertically fixed between the side wall surface of the box type water taking scoop head and the baffle B13; the lifting water pump 7 is connected to the water delivery pipeline 6, the lifting water pump 7 is driven by electric power generated by the oscillating water column type wave power generation device, seawater is delivered to the shore along the water delivery pipeline 6, and water taking work is completed.

The working process of the self-lifting box type water taking scoop head of the integrated oscillating water column type wave energy power generation device is as follows:

in the working process, external waves firstly enter the oscillating water column type wave energy power generation device from the wave inlet 1, so that an up-and-down oscillating water column is formed; the continuous oscillation of the water column enables the gas in the air chamber 4 to continuously repeat the processes of compression and expansion, and the generated air pressure changes to drive the blades 3 at the top of the oscillating water column type wave energy power generation device to rotate, so that the conversion of wave kinetic energy to mechanical energy of the blades 3 is realized. The size of the wave inlet 1 controls the water taking flow when the water bucket head normally works and the energy conversion efficiency of the oscillating water column type wave energy power generation device. Subsequently, the rotation of the blades 3 drives the generator set 9 to operate, i.e. the conversion from the mechanical energy of the blades to the output electric energy of the generator set is completed, so as to drive the lift water pump 7 to operate. In addition, the change of the wave water power condition can cause the instability of the energy output power of the oscillating water column type wave energy power generation device, and the input power required by the lifting water pump 7 is constantly changed due to the adjustment of the actually required water taking flow, so that the reasonable utilization of energy is ensured by the storage battery 10 in consideration of the fact that the input power and the output power cannot be constantly matched, namely when the output power of the oscillating water column type wave energy power generation device is greater than the input power required by the lifting water pump 7, the storage battery 10 stores redundant electric energy; when the output power of the oscillating water column type wave energy power generation device is smaller than the input power required by the lifting water pump 7, the energy stored in the storage battery 10 is released to ensure the normal work of the water taking bucket head.

After the seawater passes through the oscillating water column type wave energy power generation device consisting of the baffle A2, the blades 3 and the air chamber 4, the wave energy is converted into mechanical energy to be dissipated in a large amount, the effect of the baffle B13 is assisted, the seawater can fully stand in the sediment sedimentation tank 5 (sediment precipitated is discharged outside a box through the sediment discharge pump 8), and a relative still water surface with a certain height is formed in the box type water taking bucket head. The standing seawater is conveyed to the shore along the water conveying pipeline 6 under the action of the lifting water pump 7, and the water taking work is finished.

The invention provides an integrated device of a traditional box type water taking bucket head and an oscillating water column type (OWC) wave energy power generation device. The size of the wave inlet is set to ensure the wave energy conversion efficiency and the water delivery flow requirement, so the structural size of the traditional box type bucket head cannot be simply copied and the structural size is corrected according to the actual situation.

The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.