CN213928464U - High-pressure gas energy-releasing power generation system - Google Patents
High-pressure gas energy-releasing power generation system Download PDFInfo
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- CN213928464U CN213928464U CN202022880714.XU CN202022880714U CN213928464U CN 213928464 U CN213928464 U CN 213928464U CN 202022880714 U CN202022880714 U CN 202022880714U CN 213928464 U CN213928464 U CN 213928464U
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Abstract
The utility model discloses a high-pressure gas energy-releasing power generation system, which comprises a high-pressure gas source for inputting high-pressure gas, a gas pressure conversion mechanism and an impeller generator set; the liquid is stored in the air pressure conversion mechanism, the air pressure conversion mechanism is communicated with a high-pressure air source, so that the air pressure is converted into liquid level potential energy, the impeller generator set is arranged on a liquid flow pipeline of the air pressure conversion mechanism, the impeller generator set is driven to rotate through the liquid to generate electric energy, the air pressure of the pressurized gas is converted into potential energy (liquid level potential energy) of liquid height difference through the air pressure conversion mechanism, the rotation of the impeller generator set is driven by utilizing two processes of liquid flow when the potential energy is formed and liquid flow for releasing the potential energy, the effective utilization of the air pressure is ensured, and the effective utilization rate of the internal energy of the pressurized gas is improved; and through the series connection/parallel connection of a plurality of air pressure conversion mechanisms, the circulation efficiency of the system is further improved, and the internal energy of the pressurized gas can be fully utilized.
Description
Technical Field
The utility model relates to a power generation technology field, concretely relates to high-pressure gas energy release power generation system.
Background
Conventional compressed air energy storage systems are energy storage systems developed based on gas turbine technology. In the electricity utilization valley, air is compressed and stored in the air storage chamber, so that electric energy is converted into air internal energy to be stored; during the peak of electricity utilization, high-pressure air is released from the air storage chamber, enters the combustion chamber to be combusted together with fuel, and then drives the turbine to generate electricity. Commercial applications are currently available in germany (Huntorf 290 megawatts) and in the united states (McIntosh110 megawatts). However, the traditional compressed air energy storage system has three main technical bottlenecks, namely, a heat source is provided by depending on fossil fuels such as natural gas; secondly, large gas storage caves such as rock caves, salt caves, abandoned mines and the like are required to be relied on; thirdly, the system efficiency is low, and the efficiencies of the Huntorf and McIntosh power stations are 42 percent and 54 percent respectively.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a high-pressure gas energy release power generation system to improve the gaseous utilization ratio of pressure, improve its circulation efficiency.
In order to achieve the above object, the utility model provides a high-pressure gas energy-releasing power generation system, which comprises a high-pressure gas source for inputting high-pressure gas, a gas pressure conversion mechanism and an impeller generator set; the impeller generator set is arranged in the air pressure conversion mechanism, so that the impeller generator set is driven to rotate through the liquid to generate electric energy.
Preferably, the air pressure conversion mechanism comprises a liquid storage cavity with a liquid working medium, an upper liquid tank and a lower liquid tank, and the liquid storage cavity comprises an upper ventilation end and a lower ventilation end; the ventilation end is communicated with the high-pressure air source, and a valve switch is connected to the communication path; the liquid passing end is communicated with the upper liquid tank, and a one-way valve and an impeller generator set are connected to proper positions on a communicated passage; the upper liquid tank is also communicated with the lower liquid tank through a pipe, a valve switch is arranged on the pipe, another impeller generator set is arranged below the valve switch, the lower liquid tank is communicated with the liquid through end through a communicating pipe, and a one-way valve is connected to the communicating pipe.
Preferably, the air pressure conversion mechanism further comprises a liquid storage cavity and an air storage cavity, wherein the liquid storage cavity is provided with a liquid working medium and comprises an upper air vent end and a lower liquid vent end; the ventilation end is communicated with the high-pressure air source, and a valve switch is connected to the communication path; the liquid passing end is communicated with the gas storage cavity through a liquid conveying pipe, a loop branch pipe is connected with the liquid conveying pipe in parallel, the liquid conveying pipe and the loop branch pipe are respectively connected with a one-way valve with opposite flow directions, and the top of the gas storage cavity is connected with a liquid level sensor.
Preferably, a parallel passage is communicated with the high-pressure air source; so that a plurality of the air pressure conversion mechanisms are connected in parallel through the parallel passage to form a plurality of groups of power generation group strings.
Preferably, a series passage is communicated with the ventilation end, so that a plurality of air pressure conversion mechanisms are connected in series through the series passage to form a plurality of groups of power generation group strings; and the tail end of the last series passage is provided with the impeller generator set.
Preferably, each impeller generator set is connected in parallel and connected into a voltage stabilizing frequency converter, and is merged into a grid-connected controller through the voltage stabilizing frequency converter, and the grid-connected controller outputs electric energy.
Preferably, a liquid level sensor is further connected in the ventilation end.
Preferably, the valve switch is an electric control valve, and a controller is electrically connected with the electric control valve, so that the controller controls the opening/closing of the electric control valve; the liquid level sensor is electrically connected with the controller.
The beneficial effects of the utility model are embodied in: the utility model converts the air pressure of the pressurized gas into potential energy (liquid level potential energy) of liquid height difference through an air pressure conversion mechanism, and also stores energy (liquid fall potential energy) in the process of energy release, thereby ensuring the effective utilization of the pressurized gas and improving the effective utilization rate of the pressurized gas; and through the series connection/parallel connection of a plurality of air pressure conversion mechanisms, the circulation efficiency of the system is further improved, and pressurized air is fully utilized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a block diagram of a power generation system according to an embodiment of the present invention;
fig. 2 is a block diagram of a power generation system according to another embodiment of the present invention;
fig. 3 is a block diagram of the power output of the vane generator set of fig. 1.
In the figure, a high-pressure air source 1, an air pressure conversion mechanism 2, a liquid storage cavity 21, an upper liquid tank 22, a lower liquid tank 23, an impeller generator set 24, a one-way valve 25, a gas storage cavity 26, a loop branch pipe 27, a liquid conveying pipe 28, a parallel passage 3 and a series passage 4.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the first embodiment of the present invention is: a high-pressure gas energy-releasing power generation system comprises a high-pressure gas source 1, a gas pressure conversion mechanism 2 and an impeller generator set 24, wherein one end of the high-pressure gas source is provided with input high-pressure gas, the gas pressure conversion mechanism 2 comprises a liquid storage cavity 21 with liquid working media, an upper liquid tank 22 and a lower liquid tank 23, and the liquid storage cavity 21 comprises an upper ventilation end and a lower liquid ventilation end; the ventilation end is communicated with the high-pressure air source 1, and a valve switch is connected to the communication path; the liquid passing end is communicated with the upper liquid tank 22, a one-way valve 25 is connected to the communicated passage, and an impeller generator set 24 is arranged at the position close to the upper liquid tank 22; the upper liquid tank 22 is also communicated with the lower liquid tank 23 through a pipe, a valve switch is arranged on the pipe, another impeller generator set 24 is arranged below the valve switch, the lower liquid tank 23 is communicated with the liquid communicating end through a communicating pipe, a one-way valve 25 is connected to the communicating pipe, the potential energy of the liquid level difference of the liquid working medium is utilized to drive the impeller generator set 24 to work, and therefore the full utilization of the pressurized gas is achieved; a parallel passage 3 is communicated with the high-pressure air source 1; so that a plurality of the air pressure conversion mechanisms 2 are connected in parallel through the parallel passages 3 to form a plurality of groups of power generation group strings; a series passage 4 is communicated with the ventilation end, so that a plurality of air pressure conversion mechanisms 2 are connected in series through the series passage 4 to form a plurality of groups of power generation group strings; the tail end of the last series passage 4 is provided with the impeller generator set 24 ', and the impeller generator set 24' drives the impeller generator set to rotate through air to generate electricity; the circulation efficiency of the system is further improved and the utilization efficiency of the pressurized gas is improved by the serial connection/parallel connection of the plurality of air pressure conversion mechanisms 2.
As shown in fig. 2, in the second embodiment, the air pressure conversion mechanism 2 is replaced by a liquid storage cavity 21 with a liquid working medium and an air storage cavity 26, and the liquid storage cavity 21 comprises an upper air-through end and a lower liquid-through end; the ventilation end is communicated with the high-pressure air source 1, a valve switch is connected to the communication path, and a liquid level sensor C1 is connected to the ventilation end; the liquid passing end is communicated with the air storage cavity 26 through an infusion tube 28, the infusion tube 28 is connected with an impeller generator set 24, a loop branch tube 27 is connected with the infusion tube 28 in parallel, the infusion tube 28 and the loop branch tube 27 are respectively connected with a one-way valve 25 with opposite flow directions, the top of the air storage cavity 26 is connected with a liquid level sensor C2, the air pressure conversion mechanism 2 unit is correspondingly connected with the air pressure conversion mechanism 2 unit in series through a series passage 4 and a parallel passage 3 respectively, and is connected with a group of air pressure conversion units in parallel, so that a power generation system with a first group of strings and a second group of strings in parallel is formed.
As shown in fig. 3, it is preferable that each of the vane generator sets 24 is connected in parallel and connected to a voltage stabilizing frequency converter, and is incorporated into a grid-connected controller through the voltage stabilizing frequency converter, and the grid-connected controller outputs electric energy, and the vane generator sets 24 in the system are connected in parallel and connected to the grid, so that the generated electric energy can be better utilized.
Preferably, a liquid level sensor is further connected in the ventilation end, the valve switch is an electric control valve, and a controller is electrically connected with the electric control valve and the liquid level sensor, so that the controller controls the opening/closing of the electric control valve, and the controller controls the automatic operation of the valve through a feedback signal of the liquid level sensor, thereby improving the automation effect, and the opening and closing process of the valve control is as follows:
in the initial state, all valve switches are in a closed state. When the sensor works, the upper liquid level sensor C1 does not detect liquid, the exhaust valves K3-1 and K3-2 are opened, the air is exhausted outwards, the liquid storage cavity 21 enters liquid working media, the upper liquid level sensor C1 detects that the liquid closes the switches K3-1 and K3-2, and the liquid inlet is finished. The system waits for the arrival of a starting signal;
as shown in fig. 1, the first set of serial No. 1 machines: when the system is started, the K1 is manually opened, the system enters a standby state, a starting signal is manually (or automatically) sent to the generator set, the K2 is opened, the high-pressure air source 1 charges the air in the liquid storage cavity 21 of the No. 1 generator for expansion, the liquid working medium is discharged out of the generator set for power generation and output, when the No. 1 machine liquid level sensor C2 detects no liquid, K2 is closed, K3-1 is opened, the No. 1 machine is used as a pressurized gas source to inflate and expand the No. 2 machine liquid storage cavity 21, the liquid working medium is discharged out of the generator set to generate power and output, when the No. 2 machine liquid level sensor C2 detects no liquid, K3-2 is opened to exhaust air, when emptying, the air does work on the impeller generator set 24', when the sensor C1 in the liquid storage cavity detects that liquid exists, K3-2 is closed, simultaneously, a signal is given to the second group No. 1 engine, the K4 'is opened, and the K4' opens the working medium flow of the upper liquid tank 22 to do work and enter the lower liquid tank 23.
The second set of serial No. 1 machines receive the starting signal given by the first set of No. 2 machines, K2 'is opened, the high-pressure air source 1 inflates and expands the No. 1 machine liquid storage cavity 21, the liquid working medium is discharged out of the generator set for power generation output, K2' is closed after the No. 1 machine liquid level sensor C2 detects no liquid, K3 '-1 is opened, the No. 1 machine serves as a pressure air source to inflate and expand the No. 2 machine liquid storage cavity 21, the liquid working medium is discharged out of the generator set for power generation output, K3' -2 is opened after the No. 2 machine liquid level sensor C2 detects no liquid, the air applies work to the impeller generator set 24 'during emptying, K3' -2 is closed when the liquid level sensor C1 in the liquid storage cavity 21 detects that liquid exists, the first set of No. 1 machine starting signal and K4 are opened at the same time, and the K4 opens the working medium of the upper liquid box 22 to flow down and enter the lower liquid box 23. The operation is repeated in cycles.
As shown in fig. 2, the first set of serial No. 1 machines: when the system is started, K1 is manually opened, the system enters a standby state, a starting signal is manually (or automatically) sent to the generator set, K2 is opened, a high-pressure air source 1 charges and expands a liquid storage cavity 21 of a machine No. 1, liquid working media are discharged out of the generator set to generate power and output, K2 is closed after a liquid level sensor C2 in the gas storage cavity 26 detects liquid, K3-1 is opened, the machine No. 1 is used as a pressure air source to charge and expand the liquid storage cavity 21 of the machine No. 2, the liquid working media are discharged out of the generator set to generate power and output, K3-2 exhaust air is opened after a liquid level sensor C2 in the gas storage cavity 26 of the machine No. 2 detects liquid, air does work on an impeller generator set 24' during emptying, K3-2 is closed when the liquid is detected by a sensor C1 in the liquid storage cavity during emptying, and a starting signal is sent to the machine No. 1 of a second group.
The second set of the series No. 1 machine receives a starting signal given by the first set of the No. 2 machine, K2 'is opened, a high-pressure air source 1 inflates and expands a No. 1 machine liquid storage cavity 21, liquid working media are discharged out of the generator set to generate power and output, K2' is closed after a liquid level sensor C2 in a No. 1 machine gas storage cavity 26 detects liquid, K3 '-1 is opened, the No. 1 machine serves as a pressure air source to inflate and expand the No. 2 machine liquid storage cavity 21, the liquid working media are discharged out of the generator set to generate power and output, K3' -2 exhaust air is opened after the liquid level sensor C2 in the No. 2 machine gas storage cavity 26 detects liquid, the air does work on an impeller generator set 24 'during evacuation, the K3' -2 is closed when the liquid level sensor C1 in the liquid storage cavity 21 detects the liquid, the first set of the series No. 1 machine starting signal is simultaneously given, the K2 is opened, and the cycle work is repeated.
In combination with the two embodiments, it can be seen that the air pressure conversion mechanism 2 can achieve the same purpose by adopting a combination mode, for example, the first or second group of strings in the first group of string replacement embodiment can achieve efficient power generation, so that the utility model is more flexible in specific implementation and stronger in applicability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A high-pressure gas energy-releasing power generation system is characterized by comprising a high-pressure gas source for inputting high-pressure gas, a gas pressure conversion mechanism and an impeller generator set; the air pressure conversion mechanism is communicated with the high-pressure air source so as to convert air pressure into liquid potential energy; the impeller generator set is arranged on a liquid flow pipeline of the air pressure conversion mechanism, so that the impeller generator set is driven to rotate by liquid to generate electric energy.
2. The high pressure gas energy-releasing power generation system as claimed in claim 1, wherein: the air pressure conversion mechanism comprises a liquid storage cavity with a liquid working medium, an upper liquid tank and a lower liquid tank, and the liquid storage cavity comprises an upper ventilation end and a lower liquid end; the ventilation end is communicated with the high-pressure air source, and a valve switch is connected to the communication path; the liquid passing end is communicated with the upper liquid tank, a one-way valve is connected to a communicated passage, and an impeller generator set is arranged at a position close to the upper liquid tank; the upper liquid tank is also communicated with the lower liquid tank through a pipe, a valve switch is arranged on the pipe, another impeller generator set is arranged below the valve switch, the lower liquid tank is communicated with the liquid through end through a communicating pipe, and a one-way valve is connected to the communicating pipe.
3. The high pressure gas energy-releasing power generation system as claimed in claim 1, wherein: the air pressure conversion mechanism further comprises a liquid storage cavity and a gas storage cavity, wherein the liquid storage cavity is provided with a liquid working medium and comprises an upper ventilation end and a lower liquid ventilation end; the ventilation end is communicated with the high-pressure air source, and a valve switch is connected to the communication path; the liquid passing end is communicated with the gas storage cavity through a liquid conveying pipe, a loop branch pipe is connected with the liquid conveying pipe in parallel, and the liquid conveying pipe and the loop branch pipe are respectively connected with a one-way valve with opposite flow directions.
4. A high pressure gas energy release power generation system according to any one of claims 2 or 3, wherein: a parallel passage is communicated with the high-pressure air source; so that a plurality of the air pressure conversion mechanisms are connected in parallel through the parallel passage to form a plurality of groups of power generation group strings.
5. A high pressure gas energy release power generation system according to any one of claims 2 or 3, wherein: a series passage is communicated with the ventilation end, so that a plurality of air pressure conversion mechanisms are connected in series through the series passage to form a plurality of groups of power generation group strings; and the tail end of the last series passage is provided with the impeller generator set.
6. The high pressure gas energy-releasing power generation system as claimed in claim 1, wherein: and connecting each impeller generator set in parallel into a voltage stabilizing frequency converter, merging the voltage stabilizing frequency converter into a grid-connected controller, and outputting electric energy through the grid-connected controller.
7. The high pressure gas energy-releasing power generation system according to claim 2, wherein: and liquid level sensors are respectively connected in the ventilation end and on the liquid passing end.
8. The high pressure gas energy-releasing power generation system according to claim 3, wherein: the top of the gas storage cavity is connected with a liquid level sensor.
9. The high pressure gas energy-releasing power generation system as recited in claim 8, wherein: the valve switch is an electric control valve, and is electrically connected with a controller so as to control the opening/closing of the electric control valve through the controller; the liquid level sensor is electrically connected with the controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022880714.XU CN213928464U (en) | 2020-12-02 | 2020-12-02 | High-pressure gas energy-releasing power generation system |
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| CN202022880714.XU CN213928464U (en) | 2020-12-02 | 2020-12-02 | High-pressure gas energy-releasing power generation system |
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