CN217401071U

CN217401071U - Gravity energy storage system based on single-channel multi-sequence lifting

Info

Publication number: CN217401071U
Application number: CN202221039458.4U
Authority: CN
Inventors: 姚志豪; 孙丹; 辛理夫
Original assignee: Hengji Nengmai New Energy Technology Co ltd
Current assignee: Hengji Nengmai New Energy Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-09
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a gravity energy storage system of many sequences of single channel promotion scheme, including well head capstan winch frame bearing structure, capstan winch, electronic power generation all-in-one, connect rope, transportation platform, heavy object piece, upper portion tunnel, shaft, bottom tunnel. A winch support is built right above a vertical shaft mouth, a plurality of sets of winches are fixed on the winch support, and a transportation platform is fixed at the lower end of each set of steel wire and used for bearing load blocks. The other end of the connecting rope is wound on the winch, the winch is connected with the electric power generation all-in-one machine through the mechanical transmission mechanism, and the electric power generation all-in-one machine is connected with a power grid through a transformer. And in the continuous landing process of the multiple sets of heavy object carriers, the steel wire winch drives the motor generator to generate power. The utility model is characterized in that the upper laneways and the bottom laneway are used for placing the heavy blocks, and the ground space is not occupied. And a plurality of sets of lifting devices continuously operate, so that the high efficiency of power generation is realized.

Description

Gravity energy storage system based on single-channel multi-sequence lifting

Technical Field

The utility model relates to a gravity energy storage technical field, in particular to gravity energy storage system based on many sequences of single channel promote.

Background

At present, renewable energy sources such as wind energy, solar energy and the like are obviously discontinuous and unstable under the influence of seasons, weather and regional conditions, particularly after the direct grid-connected proportion exceeds 20%, serious malignant chain accidents can happen, and large impact is generated on the whole power grid.

Gravity energy storage is a relatively mature energy storage technology, particularly a water pumping energy storage technology, and commercial operation is realized. However, the water pumping and energy storage technology has high requirements on site selection, upstream and downstream reservoirs need to be built, the evaporation capacity of water is large, and site selection in northern areas, particularly northwest areas is difficult. And the gravity energy storage for lifting the heavy object blocks by adopting the vertical shaft can store energy in the region which can not adopt the water pumping energy storage mode and can only adopt the solid energy storage mode. In the prior art, for example, the gravity Energy storage technology proposed by Energy Vault corporation in sweden stores Energy by hoisting solid weights symmetrically by a tower crane; however, this form of tower crane structure requires two arms to lift the solid weight simultaneously, with interruptions and voids in the process of potential energy conversion.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy storage system with multichannel and stable in structure can overcome potential energy conversion discontinuous problem among the prior art.

The gravity energy storage system comprises a wellhead winch frame supporting structure, a winch, an electric power generation all-in-one machine, a connecting rope, a transportation platform, a heavy object block, an upper roadway, a vertical shaft and a bottom roadway;

the vertical shaft is an energy storage well arranged below the ground surface, and the wellhead winch frame supporting structure is fixedly arranged right above a wellhead of the vertical shaft;

the winch and the electric power generation all-in-one machine are arranged on the wellhead winch frame supporting structure and connected through a mechanical transmission mechanism; the electric power generation all-in-one machine is connected with a power grid;

one end of the connecting rope is wound on the winch, and the other end of the connecting rope extends into the vertical shaft and is connected with the transportation platform;

the shaft is provided with the upper portion tunnel near the wellhead, the bottom tunnel near the shaft bottom, and the heavy object blocks are arranged in the upper portion tunnel and the bottom tunnel.

Furthermore, the gravity energy storage system comprises an electric trolley, and the electric trolley is arranged in the upper roadway and the bottom roadway and is used for carrying the heavy blocks to and fro between the transportation platform and the roadway.

Still further, the wellhead winch frame supporting structure comprises a horizontally arranged square frame, and each frame of the square frame is used for installing the winch and the electric power generation all-in-one machine.

Furthermore, the gravity energy storage system comprises 4 groups of matched winches, an electric power generation all-in-one machine, a connecting rope and a transportation platform; each group of the winches and the electric power generation all-in-one machine are respectively arranged on each side of the square frame.

Furthermore, 4 groups of upper roadways and bottom roadways are arranged in the shaft, and the upper roadways and the bottom roadways correspond to the 4 groups of transportation platforms respectively.

Furthermore, the upper roadway and the bottom roadway are distributed in a cross shape.

Furthermore, the gravity energy storage system further comprises a transformer, and the transformer is arranged between the electric power generation all-in-one machine and the power grid and used for adjusting the voltage of the energy storage system connected with an external power grid.

The utility model discloses the beneficial effect who reaches is:

the utility model discloses further improvement lies in, and the shaft configuration disposes many tunnels from top to bottom, does not occupy the ground place, adopts fixed order to carry out the potential energy conversion to the heavy object piece of multichannel simultaneously, can realize the gapless conversion of electric energy.

The utility model discloses further improvement lies in, and system energy storage and release process are pollution-free, and the energy is preserved for a long time and is not had the environmental pollution and the life-span number of times problem of battery electric power storage.

The utility model discloses the further improvement lies in, utilizes the mine discarded object as the raw materials of gravity module, solves the handling difficult problem that the mine was useless admittedly.

To sum up, the utility model discloses can effectively overcome current pumped storage technique and electric locomotive energy storage technical inefficiency, with high costs, area big and the difficult problem of site selection.

Drawings

Fig. 1 is a schematic structural diagram of a gravity energy storage system based on single-channel multi-sequence lifting according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a roadway in a gravity energy storage system based on single-channel multi-sequence lifting provided by the embodiment of the utility model.

The attached drawing illustrates that 1, a wellhead winch frame supporting structure, 2, a winch, 3, an electric power generation all-in-one machine, 4, a connecting rope, 5, a transportation platform, 6, a heavy object block, 7, an electric trolley, 8, a roadway, 9, a transformer, 10, a control system, 11 and a vertical shaft.

Detailed Description

The technical solution of the present invention will be described in more detail with reference to the accompanying drawings 1-2, and the present invention includes but is not limited to the following embodiments.

Example one

As shown in the accompanying drawing 1, the utility model provides a pair of gravity energy storage system based on single channel multi-sequence promotes, this system include well head capstan winch frame bearing structure 1, capstan winch 2, electronic power generation all-in-one 3, connect rope 4, transportation platform 5, heavy object piece 6, electronic dolly 7, upper portion tunnel 8, transformer 9, control system 10, shaft 11, bottom tunnel 12.

The shaft 11 is an energy storage well arranged below the ground surface, and the well head winch frame supporting structure 1 is fixedly arranged right above the well head of the shaft 11. The winch 2 and the electric power generation all-in-one machine 3 are installed on the wellhead winch frame supporting structure 1, and the winch 2 and the electric power generation all-in-one machine 3 are connected through a mechanical transmission mechanism. The connecting rope 4 is wound on the wire winch 2 at one end and extends into the shaft 11 at the other end and is connected to the transport platform 5.

In the embodiment, the upper part of the shaft 11, which is 30 meters away from a wellhead, is provided with an upper roadway 8, and a heavy object block 6 and an electric trolley 7 are arranged in the upper roadway 8; a bottom roadway 12 is arranged at the bottom of the shaft 11, and a heavy object block 6 and an electric trolley 7 are arranged in the bottom roadway 12; the electric trolley 7 is used for carrying the heavy object blocks 6 to and fro between the transportation platform 5 and the roadway. The heavy material block 6 is made of waste generated after mining of a mine near the system, and the problem of treatment of solid waste of the mine is solved.

The transformer 9 is arranged outside the shaft 11, and the electric power generation all-in-one machine 3 is connected with a power grid through the transformer 9 and used for adjusting the voltage of the energy storage system connected with an external power grid. When the external non-storage gravity energy storage system based on the single-channel multi-sequence lifting scheme is used for power generation, the control system 10 controls the heavy object blocks 6 to be transported to the transportation platform 5 from the upper roadway 8 through the electric trolley 7, the electric power generation all-in-one machine is driven to generate power through descending of the heavy object blocks, and when the heavy object blocks 6 descend to the bottom of the vertical shaft 11, the heavy object blocks are transported to the designated positions of the bottom roadway 12 through the electric trolley 7. When the power consumption is low, the control system 10 drives the electric power generation all-in-one machine 3 by utilizing the surplus power to convey the heavy object blocks 6 from the bottom roadway 12 to the upper roadway 8 so as to store gravitational potential energy.

Example two

As shown in fig. 2, in this embodiment, a wellhead winch frame supporting structure 1 of a gravity energy storage system is fixedly arranged right above a wellhead of a shaft 11, the wellhead winch frame supporting structure 1 has a horizontally arranged square frame, and the gravity energy storage system corresponding to the square frame is provided with 4 sets of winch 2, an electric power generation all-in-one machine 3, a connecting rope 4 and a transportation platform 5 which are arranged in a matched manner; each edge of square frame sets up a set of capstan winch 2 and electronic electricity generation all-in-one 3 respectively, and each capstan winch is connected respectively and is connected rope 4 and transportation platform 5.

4 groups of upper portion tunnels 8 and bottom tunnels 12 are arranged in the shaft 11 and correspond to 4 groups of

transportation platforms

5, 4 groups of upper portion tunnels 8 and bottom tunnels 12 are distributed in a cross manner, and each group of upper portion tunnels 8 and bottom tunnels 12 correspond to one group of winches 2 and the electric power generation all-in-one machine 3 respectively, so that the energy storage capacity is improved.

EXAMPLE III

In this embodiment, install 8 groups of capstan winch 2 and electronic electricity generation all-in-one 3 on well head capstan winch frame bearing structure 1, adopt contained angle setting such as between each group of capstan winch 2 and the electronic electricity generation all-in-one 3, and each group of capstan winch 2 installs corresponding connection rope 4 and transportation platform 5 respectively.

8 upper portion laneways 8 and bottom laneways 12 are respectively arranged in the shaft 11 and correspond to 8

transport platforms

5, 8 upper portion laneways 8 and bottom laneways 12 are distributed in a shape of Chinese character mi, and each upper portion laneway 8 and bottom laneway 12 corresponds to a group of winches 2 and an electric power generation all-in-one machine 3 respectively, so that the energy storage capacity is improved.

The present invention is not limited to the above embodiments, and those skilled in the art can adopt other embodiments to implement the present invention according to the disclosure of the embodiments and the drawings, and therefore, all the design structures and ideas of the present invention can be adopted to do some simple transformations or modified designs, and all fall into the protection scope of the present invention.

Claims

1. The gravity energy storage system based on single-channel multi-sequence lifting is characterized by comprising a wellhead winch frame supporting structure (1), a winch (2), an electric power generation all-in-one machine (3), a connecting rope (4), a transportation platform (5), a heavy object block (6), an upper roadway (8), a vertical shaft (11) and a bottom roadway (12);

the vertical shaft (11) is an energy storage well arranged below the ground surface, and the wellhead winch frame supporting structure (1) is fixedly arranged right above a wellhead of the vertical shaft (11);

the winch (2) and the electric power generation all-in-one machine (3) are arranged on the wellhead winch frame supporting structure (1), and the winch (2) and the electric power generation all-in-one machine (3) are connected through a mechanical transmission mechanism; the electric power generation all-in-one machine (3) is connected with a power grid;

one end of the connecting rope (4) is wound on the winch (2), and the other end of the connecting rope extends into the vertical shaft (11) and is connected with the transportation platform (5);

shaft (11) is being equipped with near the well head department upper portion tunnel (8) is being equipped with near shaft bottom department bottom tunnel (12), be equipped with in upper portion tunnel (8) and bottom tunnel (12) heavy matter piece (6).

2. The gravity energy storage system according to claim 1, characterized in that it comprises electric trolleys (7), said electric trolleys (7) being arranged in said upper tunnel (8) and bottom tunnel (12) for carrying said heavy pieces (6) to and from between said transport platform (5) and tunnel.

3. The gravity energy storage system according to claim 1, wherein the wellhead winch frame support structure (1) comprises a horizontally arranged square frame, each side frame of which is used for mounting the winch (2) and the electric power generation all-in-one machine (3).

4. The gravity energy storage system according to claim 3, wherein the gravity energy storage system comprises 4 sets of matched winches (2), an electric power generation all-in-one machine (3), a connecting rope (4) and a transportation platform (5); each group of winches (2) and the electric power generation integrated machine (3) are respectively arranged on each side of the square frame.

5. The gravity energy storage system according to claim 4, characterized in that 4 groups of upper roadways (8) and bottom roadways (12) are respectively arranged in the shaft (11), and the upper roadways (8) and the bottom roadways (12) respectively correspond to the 4 groups of transportation platforms (5).

6. The gravity energy storage system according to claim 5, wherein the upper roadway (8) and the bottom roadway (12) are distributed in a cross shape.

7. The gravity energy storage system according to claim 1, further comprising a transformer (9), wherein the transformer (9) is arranged between the electric power generation all-in-one machine (3) and a power grid, and is used for adjusting the voltage of the energy storage system connected with an external power grid.