阅读说明：本技术 装有无轴涡轮发电机的循环水管路 (Circulating water pipeline with shaftless turbine generator ) 是由 陈棠佳 关渡军 陈江明 冯黄河 张俊 于 2019-10-21 设计创作，主要内容包括：本发明公开了一种装有无轴涡轮发电机的循环水管路,循环水管路中设有循环水泵,循环水管路中包括循环水上流管路和循环水回流管路,循环水下落回流管路中装有无轴涡轮发电机,所述循环水泵使水沿着循环水上流管路向上流动,积累了势能的循环水沿着循环水下落回流管路回流的过程中,驱动所述的无轴涡轮发电机发电。由于将无轴涡轮发电机设在了循环水管路上,能将水的势能转化为电能,将能量加以回收和充分利用,尤其是将无轴涡轮发电机设在发电系统中的循环水管路上,节省了能源；由于采用上述无轴涡轮发电机的结构形式,结构更加合理和紧凑,所占用的空间更小；由于对无轴涡轮发电机的环形固定套进行了改进,对线圈的安装和固定更加方便。(The invention discloses a circulating water pipeline provided with a shaftless turbine generator, wherein a circulating water pump is arranged in the circulating water pipeline, the circulating water pipeline comprises a circulating water upstream pipeline and a circulating water return pipeline, the circulating water falling return pipeline is internally provided with the shaftless turbine generator, the circulating water pump enables water to flow upwards along the circulating water upstream pipeline, and the shaftless turbine generator is driven to generate power in the process that circulating water with accumulated potential energy flows back along the circulating water falling return pipeline. The shaftless turbine generator is arranged on the circulating water pipeline, so that the potential energy of water can be converted into electric energy, the energy can be recovered and fully utilized, and particularly, the shaftless turbine generator is arranged on the circulating water pipeline in the power generation system, so that the energy is saved; due to the adoption of the structural form of the shaftless turbine generator, the structure is more reasonable and compact, and the occupied space is smaller; because the annular fixed sleeve of the shaftless turbine generator is improved, the coil is more convenient to mount and fix.)

1. The utility model provides a be equipped with shaftless turbine generator's circulating water pipeline is equipped with circulating water pump in the circulating water pipeline, its characterized in that: the circulating water pipeline comprises a circulating water upstream pipeline and a circulating water falling return pipeline, a shaftless turbine generator is installed in the circulating water falling return pipeline, the circulating water pump enables water to flow upwards along the circulating water upstream pipeline, and circulating water with accumulated potential energy drives the shaftless turbine generator to generate power in the process of returning along the circulating water falling return pipeline.

2. The circulating water circuit equipped with a shaftless turbine generator as claimed in claim 1, wherein: the circulating water pipeline is connected with a heat exchanger in series; the circulating water pipeline also comprises a water source, and the circulating water pump conveys water in the water source upwards along the circulating water up-flow pipeline and flows back to the water source through the circulating water falling return pipeline.

3. The circulating water circuit equipped with the shaftless turbine generator as claimed in claim 2, wherein: and a bypass pipeline connected with the shaftless generator in parallel is arranged on the circulating water pipeline, and a bypass valve is arranged on the bypass pipeline.

4. The circulating water circuit equipped with the shaftless turbine generator as claimed in claim 3, wherein: the heat exchanger is a condenser and further comprises a steam generator, a return pipeline, a water feeding pump, a steam pipe, a steam turbine and a generator, an output shaft of the steam turbine is connected with a power input shaft of the generator, a steam outlet of the steam generator is communicated with one end of the steam pipe, the other end of the steam pipe is communicated with a steam inlet of the steam turbine, a steam outlet of the steam turbine is communicated with a steam inlet of the condenser, a condensate outlet of the condenser is communicated with the steam generator through the return pipeline, the water feeding pump is arranged on the return pipeline, steam enters the condenser and exchanges heat with circulating water in a circulating water pipeline, and the steam is condensed into liquid and is discharged from the condensate outlet of the condenser.

5. The circulating water circuit equipped with a shaftless turbine generator as claimed in claim 4, wherein: the water supply system is characterized in that a condensed water feed pump and a water feed tank are arranged in the return pipeline, the condensed water feed pump pumps water discharged from a condensed water outlet of the condenser into the water feed tank, the water feed pump pumps water in the water feed tank into a steam generator, and the steam generator is a boiler.

6. The circulating water circuit equipped with the shaftless turbine generator as claimed in claim 2, wherein: the heat exchanger is a condenser and further comprises a main pump, a heat medium circulation pipeline, a pressure stabilizer, a reactor pressure vessel and a heat exchanger, the heat exchanger is installed in the steam generator, a heat medium heat exchange cavity is formed in the reactor pressure vessel, the pressure stabilizer, the heat exchanger and the heat medium heat exchange cavity are connected in the heat medium circulation pipeline, the main pump drives a heat medium to circularly flow in the heat medium circulation pipeline, and after the heat medium is heated by the heat medium heat exchange cavity, the heat medium carries heat to flow into the heat exchanger so as to provide a heat source for water in the steam generator.

7. The shaft-less turbine generator-equipped circulation water line according to any one of claims 1 to 6, wherein: the shaftless turbine generator comprises a shell, a coil, a permanent magnet, a rotating cylinder and propeller blades, wherein the rotating cylinder is installed in the shell, the coil is arranged in the shell and positioned outside the rotating cylinder, the permanent magnet is fixed on the outer surface of the rotating cylinder, and the propeller blades are arranged on the inner surface of the rotating cylinder.

8. The circulating water circuit equipped with a shaftless turbine generator as claimed in claim 7, wherein: the shaftless turbine generator further comprises an annular fixing sleeve, wherein an annular groove is formed in the inner surface of the annular fixing sleeve, a corner is arranged on the groove wall of the annular groove and located at the notch, the notch is formed by the corner, the annular fixing sleeve is fixed in the shell, the coil is fixed in the annular groove of the annular fixing sleeve, and the rotating cylinder is sleeved in the annular fixing sleeve and is arranged at the corner on the annular fixing sleeve through the bearing.

9. The circulating water circuit equipped with a shaftless turbine generator as claimed in claim 8, wherein: the annular fixing sleeve is composed of a left half part and a right half part which are in threaded connection.

10. The circulating water circuit equipped with the shaftless turbine generator as claimed in claim 9, wherein: the shell is of a cylindrical structure, a left tubular joint is arranged at the left end of the shell, an end cover is arranged at the right end of the shell, a right tubular joint is arranged on the end cover, an annular groove is formed in the inner surface of the end cover, an annular seal is arranged in the annular groove, and the end cover is connected with the shell through a screw; the left tubular joint and the right tubular joint are of flange plate structures; the ring-shaped fixing sleeve is characterized in that insertion grooves are oppositely formed in the corners of two sides of the ring-shaped groove in the ring-shaped fixing sleeve, the ring-shaped fixing sleeve further comprises a sealing cylinder, and two ends of the sealing cylinder are fixed in the insertion grooves.

Technical Field

The invention relates to a circulating water pipeline, in particular to a circulating water pipeline of a power generation system.

Background

In a circulating water pipeline of a power generation system, a large amount of potential energy is accumulated in water in the process that a circulating water pump drives the water to move upwards, and the potential energy is converted into kinetic energy when the circulating water falls down into water in a return pipeline, however, the energy in the circulating water pipeline is not recycled and utilized so far, and a large amount of energy is lost.

In addition, the conventional shaftless ocean current turbine generator has a complex structure, and particularly, the coil is extremely inconvenient to fixedly install. For example, patent document CN 102230442B published by the national intellectual property office in 2013, 03.27.2013, a shaftless ocean current turbine generator, which comprises a housing unit (1) and a turbine driving unit (2); the shell unit (1) in be equipped with generator stator unit (3) and generator rotor unit (4) of mutually supporting, its characterized in that: the shell unit (1) comprises a hollow cylindrical shell (1.1); the turbine driving unit (2) is positioned in the shell (1.1), and the generator rotor unit (4) is fixedly arranged on the turbine driving unit (2); the turbine driving unit (2) is connected with the generator stator unit (3) in a matching way through a constraint balancing unit (5); the generator stator unit (3) comprises a generator stator support (3.1) and a generator stator (3.2), the generator stator (3.2) is fixed in the generator stator support (3.1), and the generator stator support (3.1) is fixedly connected with the inner wall of the shell (1.1); the generator rotor unit (4) comprises a generator rotor support (4.1) and a generator rotor (4.2), and the generator rotor (4.2) is fixedly arranged on the generator rotor support (4.1); the turbine driving unit (2) comprises a turbine blade outer support cylinder body (2.1), a turbine blade (2.2) and a turbine blade inner support cylinder body (2.3), wherein the turbine blade outer support cylinder body (2.1) is a hollow cylinder body, the turbine blade inner support cylinder body (2.3) is a closed cavity, and the turbine blade (2.2) is fixedly arranged between the turbine blade outer support cylinder body (2.1) and the turbine blade inner support cylinder body (2.3); the generator rotor support (4.1) and the turbine blade outer support cylinder body (2.1) are fixedly connected through two annular first side plates (12); the two annular first side plates (12) are matched with a generator rotor support (4.1) and a turbine blade outer support cylinder body (2.1) to form a closed cavity (8); the constraint balance unit (5) is arranged between the generator stator bracket (3.1) and the turbine blade outer support cylinder body (2.1); the constraint balance unit (5) is characterized in that two groups of magnetic bearing structures are arranged between the generator stator support (3.1) and the turbine blade outer support cylinder body (2.1), and the two groups of magnetic bearing structures are symmetrically arranged; each group of magnetic bearing structures comprises mutually exclusive excitation magnetic coils (5A 1) and permanent magnet rings (5A 2), the excitation magnetic coils (5A 1) are fixedly arranged on a generator stator support (3.1), the permanent magnet rings (5A 2) are fixedly arranged on an outer turbine blade support body (2.1), the excitation magnetic coils (5A 1) and the permanent magnet rings (5A 2) are arranged in a staggered mode, and the permanent magnet rings (5A 2) are close to the inner side; the magnetic bearing structure between the generator stator support (3.1) and the turbine blade outer support barrel (2.1) is also provided with an axial limit bearing (9) and a radial limit bearing (10); the constraint balance unit (5) is characterized in that two groups of water pressure bearing structures are arranged between the generator stator support (3.1) and the turbine blade outer support cylinder body (2.1), and the two groups of water pressure bearing structures are symmetrically arranged. The above patent documents have the defects of unreasonable structure, incompact structure, large volume and relatively large occupied space, and are not suitable for being connected in series in a circulating water pipeline.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a circulating water pipeline provided with a shaftless turbine generator, which can convert the potential energy of water into electric energy, recover and fully utilize the energy.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the circulating water pipeline is internally provided with a circulating water pump, the circulating water pipeline comprises a circulating water upstream pipeline and a circulating water falling return pipeline, the circulating water falling return pipeline is internally provided with the shaftless turbine generator, the circulating water pump enables water to flow upwards along the circulating water upstream pipeline, and the circulating water with accumulated potential energy drives the shaftless turbine generator to generate power in the process of returning along the circulating water falling return pipeline.

Further, a heat exchanger is connected in series on the circulating water pipeline; the circulating water pipeline also comprises a water source, and the circulating water pump conveys water in the water source upwards along the circulating water up-flow pipeline and flows back to the water source through the circulating water falling return pipeline.

Furthermore, a bypass pipeline connected with the shaftless generator in parallel is arranged on the circulating water pipeline, and a bypass valve is arranged on the bypass pipeline. When the bypass valve is fully opened, the shaftless generator basically does not generate electricity, and when the bypass valve is fully closed, the electric energy output by the shaftless generator is maximum.

Furthermore, the heat exchanger is a condenser, and further comprises a steam generator, a return pipeline, a water feeding pump, a steam pipe, a steam turbine and a generator, wherein an output shaft of the steam turbine is connected with a power input shaft of the generator, a steam outlet of the steam generator is communicated with one end of the steam pipe, the other end of the steam pipe is communicated with a steam inlet of the steam turbine, a steam outlet of the steam turbine is communicated with a steam inlet of the condenser, a condensed water outlet of the condenser is communicated with the steam generator through the return pipeline, the water feeding pump is arranged on the return pipeline, steam enters the condenser and exchanges heat with circulating water in the circulating water pipeline, and the steam is condensed into liquid and is discharged from the condensed water outlet of the condenser.

Furthermore, a condensed water feed pump and a feed tank are arranged in the return pipeline, the condensed water feed pump pumps water discharged from a condensed water outlet of the condenser into the feed tank, the feed pump pumps water in the feed tank into a steam generator, and the steam generator is a boiler.

Furthermore, the heat exchanger is a condenser and further comprises a main pump, a heat medium circulation pipeline, a pressure stabilizer, a reactor pressure vessel and a heat exchanger, wherein the heat exchanger is installed in the steam generator, a heat medium heat exchange cavity is arranged on the reactor pressure vessel, the pressure stabilizer, the heat exchanger and the heat medium heat exchange cavity are connected in the heat medium circulation pipeline, the main pump drives a heat medium to circularly flow in the heat medium circulation pipeline, and after the heat medium is heated by the heat medium heat exchange cavity, the heat medium carries heat to flow into the heat exchanger so as to provide a heat source for water in the steam generator.

Furthermore, shaftless turbine generator, including shell, coil, permanent magnet, a rotation section of thick bamboo and propeller blade, the rotation section of thick bamboo is installed in the shell, and the coil is established in the shell and is located the rotation section of thick bamboo outside, and the permanent magnet is fixed in the surface of rotation section of thick bamboo, and the propeller blade is established at the internal surface of rotation section of thick bamboo.

Furthermore, shaftless turbine generator still includes annular fixed cover, and the internal surface of annular fixed cover is opened there is the ring channel, and the ring channel cell wall just is located notch department and is equipped with the turning, and the turning makes the notch form the throat, annular fixed cover is fixed in the shell, and the coil is fixed in the ring channel of annular fixed cover, and the corner of rotating cylinder suit on annular fixed cover and installing on annular fixed cover through the bearing in the annular fixed cover.

Further, the annular fixing sleeve is composed of a left half part and a right half part, and the left half part and the right half part are in threaded connection.

Furthermore, the shell is of a cylindrical structure, a left tubular joint is arranged at the left end of the shell, an end cover is arranged at the right end of the shell, a right tubular joint is arranged on the end cover, an annular groove is formed in the inner surface of the end cover, an annular seal is arranged in the annular groove, and the end cover is connected with the shell through a screw; the left tubular joint and the right tubular joint are of flange plate structures; the ring-shaped fixing sleeve is characterized in that insertion grooves are oppositely formed in the corners of two sides of the ring-shaped groove in the ring-shaped fixing sleeve, the ring-shaped fixing sleeve further comprises a sealing cylinder, and two ends of the sealing cylinder are fixed in the insertion grooves.

The invention has the beneficial effects that:

the shaftless turbine generator is arranged on the circulating water pipeline, so that the backflow kinetic energy and potential energy of water can be converted into electric energy, the energy can be recycled and fully utilized, and particularly, the shaftless turbine generator is arranged on the circulating water pipeline in the power generation system, so that the energy is saved;

due to the adoption of the structural form of the shaftless turbine generator, the structure is more reasonable and compact, and the occupied space is smaller;

because the annular fixed sleeve of the shaftless turbine generator is improved, the coil is more convenient to mount and fix;

because the sealing cylinder is additionally arranged and the insertion mode is adopted, the coil is skillfully sealed, and the installation is convenient.

Drawings

The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation, and for a person skilled in the art, without inventive effort, further drawings may be obtained from the following figures:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of example 2 of the present invention;

fig. 4 is a schematic structural view of the shaftless turbine generator shown in fig. 1.

In the figure: 1. a circulating water line; 2. a water circulating pump; 3. circulating an upper water flow pipeline; 4. a water source; 5. circulating water falls down to the return line; 6. a shaftless turbine generator; 7. a heat exchanger; 9. a steam generator; 10. a steam pipe; 11. a steam turbine; 12. a generator; 13. a return line; 14. a condensed water feed pump; 15. a water supply tank; 16. a feed pump; 17. a steam generator; 18. a steam pipe; 19. a steam turbine; 20. a generator; 21. a return line; 22. a condensed water feed pump; 23. a feed pump; 24. a main pump; 25. a heat medium circulation line; 26. a voltage regulator; 27. a reactor pressure vessel; 28. a heat exchanger; 29. a heat medium heat exchange cavity; 30. sealing the cylinder; 31. a housing; 32. a coil; 33. a permanent magnet; 34. a rotating cylinder; 35. a propeller blade; 36. an annular fixing sleeve; 37. an annular groove; 38. a corner; 39. a bearing; 40. a left half portion; 41. a right half portion; 42. a left tubular fitting; 43. an end cap; 44. a right tubular fitting; 45. an annular groove; 46. annular sealing; 47. a screw; 48. inserting grooves; 49. A bypass line; 50. A bypass valve.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.