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CN-224228860-U - Underwater compressed air energy storage system

CN224228860UCN 224228860 UCN224228860 UCN 224228860UCN-224228860-U

Abstract

The utility model provides an underwater compressed air energy storage system which comprises a shell, an air storage tank, a vortex gas collecting device, a drainage transmission device and a drainage transmission device, wherein the shell is provided with an air input port and an air output port, the air input port is communicated with the outside, the air storage tank is arranged at the air output port, the vortex gas collecting device is arranged in the shell and is provided with a power receiving end, the drainage transmission device is arranged at the outer side of the shell and is connected with the shell, and the power output end of the drainage transmission device is in transmission connection with the power receiving end so as to drive the vortex gas collecting device to rotate. The underwater compressed air energy storage system disclosed by the utility model solves the technical problem that in the related art, the underwater compressed air energy storage system drives a compressor to compress external air into an underwater air storage tank by means of external electric power, and when the deployment position is remote or the terrain is complex, the situation that the compressor cannot operate due to unstable electric power is easy to occur.

Inventors

  • FENG ZONGYI
  • Zhuang Luting
  • WU QINGMING
  • LIN YI
  • YANG XU
  • LI CONG
  • GE SONG
  • FANG XINGGANG
  • ZHU DUOLEI
  • YU YUANHONG

Assignees

  • 浙江省围海建设集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (10)

  1. 1. An underwater compressed air energy storage system, comprising: A housing (10) provided with an air inlet (11) and an air outlet (12), wherein the air inlet (11) is communicated with the outside; the air storage tank (20) is arranged at the air output port (12); the vortex gas collecting device (30) is arranged in the shell (10) and is provided with a power receiving end (301); The drainage transmission device (40) is arranged on the outer side of the shell (10) and is connected with the shell (10); the power output end of the drainage transmission device (40) is in transmission connection with the power receiving end (301) so as to drive the vortex gas collecting device (30) to rotate.
  2. 2. An underwater compressed air energy storage system as in claim 1, wherein, The drainage transmission (40) comprises: a first driving unit (41) provided on a side of the housing (10) remote from the air tank (20); a second driving unit (42) provided in the first driving unit (41) and connected to the first driving unit (41); wherein the power output end is located at the second driving part (42).
  3. 3. An underwater compressed air energy storage system as in claim 2, wherein, The first driving unit (41) includes: A connection shaft (411), the connection shaft (411) being connected to the housing (10); The fan comprises at least two drainage fan blades (412), wherein the drainage fan blades (412) are arranged on the connecting shaft (411) and are arranged at intervals along the axis direction of the connecting shaft (411).
  4. 4. An underwater compressed air energy storage system as in claim 3 wherein, A mounting through hole (413) is arranged along the length direction of the connecting shaft (411); the second driving unit (42) includes: the connecting seat (421), the said connecting seat (421) locates in the said installation through hole (413); The screw rod (422), screw rod (422) locate connecting seat (421) be close to one side of casing (10).
  5. 5. The underwater compressed air energy storage system of claim 4, wherein, A first hollowed-out piece (414) is arranged on one side of the connecting shaft (411) away from the shell (10); The second driving unit (42) further includes: The second hollowed-out piece (423), the second hollowed-out piece (423) is arranged on the connecting seat (421); The first hollowed-out parts (414) and the second hollowed-out parts (423) are arranged in a staggered mode to form a filtering structure.
  6. 6. -The underwater compressed air energy storage system according to any one of claims 2 to 5, characterized in that the side of the housing (10) close to the drainage transmission (40) is provided with a mounting location; The vortex gas collection device (30) comprises: a first scroll (31) provided at the installation site; The second vortex plate (32) is arranged on one side of the first vortex plate (31) away from the installation position; Wherein the power receiving end (301) is positioned on one side of the first scroll (31) close to the second driving part (42).
  7. 7. The underwater compressed air energy storage system of claim 5, wherein, A guide pipe (13) is arranged in the shell (10); A guide opening (415) is arranged on one side of the first driving part (41) close to the shell (10); The first vortex plate (31) and the second vortex plate (32) are respectively provided with an avoidance port (33) corresponding to the guide pipe (13); Wherein the second driving part (42) drives water flow to enter the guide pipe (13) through the diversion opening (415).
  8. 8. The subsea compressed air energy storage system according to claim 7, wherein, -Said first scroll (31) and said second scroll (32) are assembled to form a first caliber (34); Defining the outer diameter of the guide tube (13) as a second caliber; the second caliber is smaller than the first caliber (34).
  9. 9. An underwater compressed air energy storage system as in claim 1, wherein, The shell (10) is also provided with a working chamber (21) and an emergency chamber (22); The vortex gas collecting device (30) is arranged in the working chamber (21); The emergency chamber (22) communicates with both the working chamber (21) and the air reservoir (20).
  10. 10. The underwater compressed air energy storage system according to claim 1, comprising a counterweight provided on a side of the drainage transmission (40) facing away from the housing (10).

Description

Underwater compressed air energy storage system Technical Field The utility model relates to the technical field of underwater compressed air energy storage, in particular to an underwater compressed air energy storage system. Background With the acceleration of global energy conversion, the use of renewable energy has grown rapidly. However, renewable energy sources have the characteristics of intermittence and volatility, for example, wind power generation depends on wind speed, photovoltaic power generation depends on illumination intensity, so that the stability of power supply is poor, the demand of a power system for continuous and reliable power supply is difficult to directly meet, and the importance of an energy storage system as a key technology for balancing the supply and demand of energy sources and improving the stability and reliability of the energy system is increasingly prominent. The underwater compressed air energy storage system has a plurality of unique advantages to become a research hot spot, the energy storage system is placed under water, the pressure characteristic of water can be utilized, a large ground gas storage is not required to be built, the underwater environment is relatively stable, and the influence of external factors on gas storage is reduced. However, the related art has at least two problems that the underwater compressed air energy storage system in the related art relies on an external electric power to drive a compressor to compress external air into an underwater air storage tank, and when the deployment position is remote or the terrain is complex, the situation that the compressor cannot operate due to unstable electric power easily occurs. Disclosure of utility model The underwater compressed air energy storage system disclosed by the utility model solves the technical problem that in the related art, the underwater compressed air energy storage system drives a compressor to compress external air into an underwater air storage tank by means of external electric power, and when the deployment position is remote or the terrain is complex, the situation that the compressor cannot operate due to unstable electric power is easy to occur. The utility model provides an underwater compressed air energy storage system which comprises a shell, an air storage tank, a vortex gas collecting device, a drainage transmission device and a power transmission device, wherein the shell is provided with an air input port and an air output port, the air input port is communicated with the outside, the air storage tank is arranged at the air output port, the vortex gas collecting device is arranged in the shell and is provided with a power receiving end, the drainage transmission device is arranged on the outer side of the shell and is connected with the shell, and the power output end of the drainage transmission device is in transmission connection with the power receiving end so as to drive the vortex gas collecting device to rotate. Compared with the prior art adopting an electric drive compressor, the technical effect achieved by adopting the technical scheme is that the drainage transmission device is used as a power source, potential energy of water flow is converted into rotational kinetic energy of the drainage transmission device, so that the drainage transmission device rotates relative to the shell, and synchronously moves with the vortex gas collecting device arranged in the shell to absorb external air into the shell, and then the external air enters the gas storage tank through the air output port, and the vortex gas collecting device is driven by water flow, so that the dependence of an energy storage system on external electric power functions is reduced. In one example of the utility model, the drainage transmission device comprises a first driving part and a second driving part, wherein the first driving part is arranged on one side of the shell, which is far away from the air storage tank, the second driving part is arranged in the first driving part and is connected with the first driving part, and the power output end is positioned in the second driving part. Compared with the prior art, the technical effect achieved by adopting the technical scheme is that the first driving part is used for converting potential energy of water flow into kinetic energy for driving the second driving part, and the second driving part drives the vortex gas collecting device to work. In one embodiment of the utility model, the first driving part comprises a connecting shaft and at least two drainage fan blades, wherein the connecting shaft is connected with the shell, and the drainage fan blades are arranged on the connecting shaft at intervals along the axis direction of the connecting shaft. Compared with the prior art, the technical effect achieved by adopting the technical scheme is that the connecting shaft ensures that the drainage fan blades can stably rotate in water flo