CN217712696U - Compressed air separation system based on fused salt energy storage - Google Patents
Compressed air separation system based on fused salt energy storage Download PDFInfo
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- CN217712696U CN217712696U CN202221286622.1U CN202221286622U CN217712696U CN 217712696 U CN217712696 U CN 217712696U CN 202221286622 U CN202221286622 U CN 202221286622U CN 217712696 U CN217712696 U CN 217712696U
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Abstract
The present disclosure provides a compressed air separation system based on molten salt energy storage, including: a steam turbine generator unit; the liquid inlet end of the fused salt energy storage device is connected with the liquid outlet end of the turbo generator unit, the steam outlet end of the fused salt energy storage device is connected with the steam inlet end of the turbo generator unit, and the power utilization end of the fused salt energy storage device is electrically connected with the power supply end of the turbo generator unit; the power utilization end of the air compressor is electrically connected with the power supply end of the turbonator, and the air inlet end of the air compressor is connected with the outside air; and the air inlet end of the rectifying device is connected with the air outlet end of the air compressor. In this disclosed compressed air separation system based on fused salt energy storage, fused salt energy memory heats turbo generator set's play liquid to heat turbo generator set's play liquid into steam, steam enters into turbo generator set and does work and generates electricity, can reduce turbo generator set's power consumption when guaranteeing the air compressor machine operation, thereby reduce the cost of air separation when the price of electricity is higher.
Description
Technical Field
The disclosure relates to the technical field of air separation, in particular to a compressed air separation system based on molten salt energy storage.
Background
In industrial production, a large amount of gas is used in some fields, for example: oxygen, nitrogen, argon, etc. to ensure a stable supply of gas, air separation devices are usually configured in the production process, and these air separation devices consume a large amount of energy, resulting in high production cost.
Disclosure of Invention
The present disclosure is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, it is an object of the present disclosure to provide a molten salt energy storage based compressed air separation system.
To achieve the above object, the present disclosure provides a compressed air separation system based on molten salt energy storage, comprising: a steam turbine generator unit; the liquid inlet end of the molten salt energy storage device is connected with the liquid outlet end of the turbo generator unit, the steam outlet end of the molten salt energy storage device is connected with the steam inlet end of the turbo generator unit, and the power utilization end of the molten salt energy storage device is electrically connected with the power supply end of the turbo generator unit; the power utilization end of the air compressor is electrically connected with the power supply end of the turbonator, and the air inlet end of the air pressure is connected with external air; and the air inlet end of the rectifying device is connected with the air outlet end of the air compressor.
Optionally, the rectification apparatus comprises: the air inlet end of the first rectifying tower is connected with the air outlet end of the air compressor; and the gas inlet end of the first gas storage chamber is connected with the first gas outlet end of the first rectifying tower.
Optionally, the rectification apparatus further includes: the gas inlet end of the second rectifying tower is connected with the second gas outlet end of the first rectifying tower; and the gas inlet end of the second gas storage chamber is connected with the first gas outlet end of the second rectifying tower.
Optionally, the compressed air separation system further comprises: the air cooler, air cooler's first route sets up the inlet end of air compressor machine with between the outside air links to each other, air cooler's first route inlet end links to each other with the outside air, air cooler's first route give vent to anger the end with the inlet end of air compressor machine links to each other, air cooler's second route switches on coolant.
Optionally, the molten salt energy storage device includes: the power utilization end of the electric heater is electrically connected with the power supply end of the turbonator; the liquid inlet end of the high-temperature tank is connected with the liquid outlet end of the electric heater; the liquid inlet end of a first passage of the heat exchanger is connected with the liquid outlet end of the high-temperature tank, the liquid inlet end of a second passage of the heat exchanger is connected with the liquid outlet end of the steam turbine generator unit, and the steam outlet end of the second passage of the heat exchanger is connected with the steam inlet end of the steam turbine generator unit; the liquid inlet end of the low-temperature tank is connected with the liquid outlet end of the first passage of the heat exchanger, and the liquid outlet end of the low-temperature tank is connected with the liquid inlet end of the electric heater.
Optionally, the molten salt energy storage device comprises: the pump comprises a first pump body, wherein the first pump body is arranged between the liquid outlet end of the low-temperature tank and the liquid inlet end of the electric heater, the liquid inlet end of the first pump body is connected with the liquid outlet end of the low-temperature tank, and the liquid outlet end of the first pump body is connected with the liquid inlet end of the electric heater.
Optionally, the molten salt energy storage device includes: the second pump body, the second pump body sets up the first passageway feed liquor end of heat exchanger with the play liquid end of high temperature jar links to each other between, the feed liquor end of the second pump body with the play liquid end of high temperature jar links to each other, the play liquid end of the second pump body with the first passageway feed liquor end of heat exchanger links to each other.
Optionally, the molten salt energy storage device further includes: and the regulating valve is arranged between the steam outlet end of the second passage of the heat exchanger and the steam inlet end of the steam turbine generator unit.
Optionally, the steam turbine generator unit includes: the steam inlet end of the back pressure turbine is connected with the steam outlet end of the molten salt energy storage device; the power input end of the constant speed ratio gear box is connected with the power output end of the back pressure turbine; the power input end of the generator is connected with the power output end of the fixed-speed-ratio gearbox, and the power supply end of the generator is electrically connected with the power utilization end of the air compressor; and the steam inlet end of the condenser is connected with the steam outlet end of the back pressure turbine, and the liquid outlet end of the condenser is connected with the liquid inlet end of the fused salt energy storage device.
Optionally, the steam turbine generator unit includes: the third pump body is arranged between the liquid outlet end of the condenser and the liquid inlet end of the fused salt energy storage device, the liquid inlet end of the third pump body is connected with the liquid outlet end of the condenser, and the liquid outlet end of the third pump body is connected with the liquid inlet end of the fused salt energy storage device.
The technical scheme provided by the disclosure can comprise the following beneficial effects:
the steam turbine generator set continuously supplies power to the air compressor, the air compressor compresses air and then conveys the compressed air to the rectifying device, and the rectifying device rectifies the compressed air to separate out gas required by production; when the electricity price is low, the turbine generator unit supplies power to the fused salt energy storage device, and the fused salt energy storage device converts electric energy into heat energy by utilizing fused salt for storage; when the electricity price is higher, the molten salt energy storage device heats the outlet liquid of the steam turbine generator unit to heat the outlet liquid of the steam turbine generator unit into steam, the steam enters the steam turbine generator unit to do work to generate electricity, the operation of the air compressor can be ensured, meanwhile, the energy consumption of the steam turbine generator unit is reduced, and therefore the cost of air separation when the electricity price is higher is reduced.
Additional aspects and advantages of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The above and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic configuration diagram of a compressed air separation system according to a related embodiment;
FIG. 2 is a schematic structural diagram of a compressed air separation system based on molten salt energy storage according to an embodiment of the disclosure;
as shown in the figure: s1, a steam turbine generator unit, S2, an air compressor, S3 and a rectification device;
1. the system comprises a turbo generator unit, 101, a back pressure turbine, 102, a fixed speed ratio gear box, 103, a generator, 104, a condenser, 105 and a third pump body;
2. the system comprises a molten salt energy storage device 201, an electric heater 202, a high-temperature tank 203, a heat exchanger 204, a low-temperature tank 205, a first pump body 206, a second pump body 207 and a regulating valve;
3. an air compressor;
4. the rectification device comprises a rectification device 401, a first rectification tower 402, a first gas storage chamber 403, a second rectification tower 404 and a second gas storage chamber;
5. an air cooler.
Detailed Description
Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of illustrating the present disclosure and should not be construed as limiting the same. On the contrary, the embodiments of the disclosure include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In a related embodiment, as shown in fig. 1, the compressed air separation system includes a turbo generator set S1, an air compressor S2 and a rectification device S3, the turbo generator set S1 supplies power to the air compressor S2, the air compressor S2 delivers compressed air to the rectification device S3, and the rectification device S3 rectifies the compressed air to separate gas required for production.
Wherein, turbo generator set S1 lasts the power supply for air compressor machine S2, when the price of electricity is lower, air separation 'S cost is corresponding lower, and simultaneously, manufacturing cost is also corresponding lower, when the price of electricity is higher, air separation' S cost is corresponding higher, and simultaneously, manufacturing cost is also corresponding higher, consequently, for reducing the influence of fluctuation of the price of electricity to air separation cost, consider to store turbo generator set S1 'S electricity generation when the price of electricity is lower, release when the price of electricity is higher, with the power consumption that reduces turbo generator set S1, thereby air separation' S cost when the price of electricity is higher is reduced.
In order to solve the technical problem, as shown in fig. 2, an embodiment of the present disclosure provides a compressed air separation system based on molten salt energy storage, including turbo generator set 1, molten salt energy storage device 2, air compressor 3 and rectification device 4, the liquid inlet end of molten salt energy storage device 2 is connected with the liquid outlet end of turbo generator set 1, the vapor outlet end of molten salt energy storage device 2 is connected with the vapor inlet end of turbo generator set 1, the power utilization end of molten salt energy storage device 2 is electrically connected with the power supply end of turbo generator 103, the power utilization end of air compressor 3 is electrically connected with the power supply end of turbo generator 103, the air inlet end of air pressure is connected with the outside air, and the air inlet end of rectification device 4 is connected with the air outlet end of air compressor 3.
It can be understood that the turbo generator set 1 continuously supplies power to the air compressor 3, the air compressor 3 compresses the air and then conveys the air to the rectifying device 4, and the rectifying device 4 rectifies the compressed air to separate the gas required by production;
when the electricity price is low, the turbo generator set 1 supplies power to the molten salt energy storage device 2, and the molten salt energy storage device 2 converts electric energy into heat energy by using molten salt for storage; when the electricity price is higher, the molten salt energy storage device 2 heats the effluent of the turbo generator set 1 to heat the effluent of the turbo generator set 1 into steam, the steam enters the turbo generator set 1 to do work and generate power, the energy consumption of the turbo generator set 1 can be reduced while the operation of the air compressor 3 is ensured, and therefore the cost of air separation when the electricity price is higher is reduced.
It should be noted that the gas required for production may be oxygen, nitrogen, argon, or the like.
As shown in fig. 2, in some embodiments, the rectifying apparatus 4 includes a first rectifying tower 401 and a first gas storage chamber 402, an air inlet end of the first rectifying tower 401 is connected to an air outlet end of the air compressor 3, and an air inlet end of the first gas storage chamber 402 is connected to a first air outlet end of the first rectifying tower 401.
It can be understood that, air compressor 3 is carried in first rectifying column 401 after compressing air, and first rectifying column 401 is rectified compressed air to isolate first gas, and first gas enters into first gas storage chamber 402 and stores for use in the production.
As shown in fig. 2, in some embodiments, the rectification apparatus 4 further includes a second rectification column 403 and a second gas storage chamber 404, wherein a gas inlet end of the second rectification column 403 is connected to a second gas outlet end of the first rectification column 401, and a gas inlet end of the second gas storage chamber 404 is connected to a first gas outlet end of the second rectification column 403.
It is understood that the compressed air rectified in the first rectifying tower 401 enters the second rectifying tower 403 to be rectified again to separate the second gas, and the second gas enters the second gas storage chamber 404 to be stored, so as to be used in production.
It should be noted that the second air outlet end of the second rectifying tower 403 may be directly connected to the outside air, so that the compressed air rectified in the second rectifying tower 403 is discharged to the outside air, and the second air outlet end of the second rectifying tower 403 may also be connected to the air inlet ends of other rectifying towers, so as to perform gas separation again.
The first rectifying tower 401 and the second rectifying tower 403 are both tower-type gas-liquid contact devices for rectification, and the light component (low-boiling-point substance) in the liquid phase is transferred to the gas phase and the heavy component (high-boiling-point substance) in the gas phase is transferred to the liquid phase by utilizing the property that each component in the mixture has different volatility, namely, the vapor pressure of each component is different at the same temperature, so that the purpose of separation is realized.
Since the compressed air sequentially passes through the first rectifying tower 401 and the second rectifying tower 403, the pressure of the compressed air in the first rectifying tower 401 is greater than that of the compressed air in the second rectifying tower 403, and the boiling point of the first gas separated by the first rectifying tower 401 is less than that of the second gas separated by the second rectifying tower 403.
In some embodiments, the pressure of the compressed air in first rectification column 401 may be 580 kpa, the pressure of the compressed air in second rectification column 403 may be 130 kpa, the first gas may be nitrogen, the nitrogen may have a boiling point of at least-195.81 degrees celsius, the second gas may be oxygen, and the oxygen may have a boiling point of at least-182.96 degrees celsius.
As shown in fig. 2, in some embodiments, the compressed air separation system further includes an air cooler 5, a first path of the air cooler 5 is disposed between an inlet end of the air compressor 3 and the outside air, an inlet end of the first path of the air cooler 5 is connected to the outside air, an outlet end of the first path of the air cooler 5 is connected to the inlet end of the air compressor 3, and a second path of the air cooler 5 conducts the cooling medium.
It can be understood that when the air passes through the first passage and the cooling medium passes through the second passage, heat is exchanged between the first passage and the second passage, so that the cooling medium cools the air, and subsequent rectification of the air is ensured.
The air cooler 5 includes a first passage and a second passage for exchanging heat, and the cooling medium may be air at a relatively low temperature or liquid at a relatively low temperature.
In some embodiments, the temperature of the air is reduced to about-145 degrees below zero after passing through the first pass of the air cooler 5.
As shown in fig. 2, in some embodiments, the molten salt energy storage device 2 includes an electric heater 201, a high-temperature tank 202, a heat exchanger 203, and a low-temperature tank 204, an electricity utilization end of the electric heater 201 is electrically connected to a power supply end of the steam turbine generator 103, an inlet end of the high-temperature tank 202 is connected to an outlet end of the electric heater 201, an inlet end of a first passage of the heat exchanger 203 is connected to an outlet end of the high-temperature tank 202, an inlet end of a second passage of the heat exchanger 203 is connected to an outlet end of the steam turbine generator unit 1, an outlet end of a second passage of the heat exchanger 203 is connected to an inlet end of the steam turbine generator unit 1, an inlet end of the low-temperature tank 204 is connected to an outlet end of the first passage of the heat exchanger 203, and an outlet end of the low-temperature tank 204 is connected to an inlet end of the electric heater 201.
It can be understood that when the molten salt energy storage device 2 stores heat, the molten salt in the low-temperature tank 204 passes through the electric heater 201 and then enters the high-temperature tank 202, wherein when the molten salt passes through the electric heater 201, the steam turbine generator unit 1 supplies power to the electric heater 201, and the electric heater 201 converts electric energy into heat energy and stores the heat energy in the molten salt;
when the fused salt energy storage device 2 releases heat, fused salt in the high-temperature tank 202 enters the low-temperature tank 204 after passing through the first passage of the heat exchanger 203, and liquid outlet of the turbo generator unit 1 returns to the turbo generator unit 1 after passing through the second passage, wherein when the fused salt passes through the first passage and liquid outlet of the turbo generator unit 1 passes through the second passage, the fused salt heats the liquid outlet of the turbo generator unit 1 and heats the liquid outlet of the turbo generator unit 1 into steam, so that the steam performs power generation after entering the turbo generator unit 1, thereby reducing energy consumption of the turbo generator unit 1 and reducing air separation cost when electricity price is higher.
As shown in fig. 2, in some embodiments, the molten salt energy storage device 2 includes a first pump 205, the first pump 205 is disposed between the liquid outlet end of the cryogenic tank 204 and the liquid inlet end of the electric heater 201, the liquid inlet end of the first pump 205 is connected to the liquid outlet end of the cryogenic tank 204, and the liquid outlet end of the first pump 205 is connected to the liquid inlet end of the electric heater 201.
It can be understood that the first pump 205 pressurizes and conveys the molten salt in the low-temperature tank 204 to the electric heater 201, so that circulation of the molten salt between the low-temperature tank 204 and the high-temperature tank 202 is ensured, and stable heat storage of the molten salt is realized.
As shown in fig. 2, in some embodiments, the molten salt energy storage device 2 includes a second pump body 206, the second pump body 206 is disposed between the inlet end of the first passage of the heat exchanger 203 and the outlet end of the high-temperature tank 202, the inlet end of the second pump body 206 is connected to the outlet end of the high-temperature tank 202, and the outlet end of the second pump body 206 is connected to the inlet end of the first passage of the heat exchanger 203.
It will be appreciated that the second pump body 206 pressurises and delivers molten salt in the high temperature tank 202 into the first passage of the heat exchanger 203, thereby ensuring circulation of molten salt between the high temperature tank 202 and the low temperature tank 204, enabling stable heat release of the molten salt.
As shown in fig. 2, in some embodiments, the molten salt energy storage device 2 further includes a regulating valve 207, and the regulating valve 207 is disposed between the connection between the steam outlet end of the second passage of the heat exchanger 203 and the steam inlet end of the steam turbine generator unit 1.
It can be understood that, through the setting of the regulating valve 207, not only can the on-off between the steam outlet end of the second path of the heat exchanger 203 and the steam inlet end of the turbo generator unit 1 be realized, but also the opening degree of the path between the steam outlet end of the second path of the heat exchanger 203 and the steam inlet end of the turbo generator unit 1 can be conveniently regulated, and then the steam pressure and the flow rate entering the steam inlet end of the turbo generator unit 1 from the steam outlet end of the second path of the heat exchanger 203 are controlled, and the flexibility of heat release of the molten salt energy storage device 2 is improved.
As shown in fig. 2, in some embodiments, the steam turbine generator unit 1 includes a back pressure turbine 101, a constant speed ratio gearbox 102, a generator 103, and a condenser 104, wherein a steam inlet of the back pressure turbine 101 is connected to a steam outlet of the molten salt energy storage device 2, a power input of the constant speed ratio gearbox 102 is connected to a power output of the back pressure turbine 101, a power input of the generator 103 is connected to a power output of the constant speed ratio gearbox 102, a power supply of the generator 103 is electrically connected to a power utilization end of the air compressor 3, a steam inlet of the condenser 104 is connected to a steam outlet of the back pressure turbine 101, and a liquid outlet of the condenser 104 is connected to a liquid inlet of the molten salt energy storage device 2.
It can be understood that the back pressure turbine 101 utilizes the work of steam to drive the constant speed ratio gearbox 102 to act, the constant speed ratio gearbox 102 drives the generator 103 to act, so that power generation is realized, the generator 103 continuously supplies power to the air compressor 3 to ensure continuous separation of air, and meanwhile, when the electricity price is low, the generator 103 also supplies power to the molten salt energy storage device 2;
the steam after the back pressure turbine 101 does work is condensed by the condenser 104 to form condensed water, and when the electricity price is high, the condensed water is heated by the molten salt energy storage device 2 and then is converted into steam which returns to the back pressure turbine 101 to do work again, so that the energy consumption of the back pressure turbine 101 is reduced.
It should be noted that the fixed ratio gearbox 102 is used to match the back pressure turbine 101 with the generator 103, and the fixed ratio gearbox 102 may include a clutch function.
When the molten salt energy storage device 2 does not heat the condensed water, the condensed water may be discharged to the outside, or may be returned to the boiler of the back pressure turbine 101 for recycling.
As shown in fig. 2, in some embodiments, the steam turbine generator unit 1 includes a third pump 105, the third pump 105 is disposed between the liquid outlet end of the condenser 104 and the liquid inlet end of the molten salt energy storage device 2, the liquid inlet end of the third pump 105 is connected to the liquid outlet end of the condenser 104, and the liquid outlet end of the third pump 105 is connected to the liquid inlet end of the molten salt energy storage device 2.
It can be understood that the third pump 105 pressurizes the output liquid of the condenser 104 and then conveys the output liquid to the liquid inlet end of the molten salt energy storage device 2, so that the molten salt energy storage device 2 is guaranteed to stably heat the condensed water.
It should be noted that, in the description of the present disclosure, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present disclosure, the meaning of "a plurality" is two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present disclosure includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present disclosure, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present disclosure.
Claims (10)
1. A compressed air separation system based on molten salt energy storage, comprising:
a steam turbine generator unit;
the liquid inlet end of the molten salt energy storage device is connected with the liquid outlet end of the turbo generator unit, the steam outlet end of the molten salt energy storage device is connected with the steam inlet end of the turbo generator unit, and the power utilization end of the molten salt energy storage device is electrically connected with the power supply end of the turbo generator unit;
the power utilization end of the air compressor is electrically connected with the power supply end of the turbonator, and the air inlet end of the air compressor is connected with the outside air;
and the air inlet end of the rectifying device is connected with the air outlet end of the air compressor.
2. The molten salt energy storage based compressed air separation system of claim 1, wherein the rectification device comprises:
the air inlet end of the first rectifying tower is connected with the air outlet end of the air compressor;
and the gas inlet end of the first gas storage chamber is connected with the first gas outlet end of the first rectifying tower.
3. The molten salt energy storage based compressed air separation system of claim 2, wherein the rectification apparatus further comprises:
the gas inlet end of the second rectifying tower is connected with the second gas outlet end of the first rectifying tower;
and the gas inlet end of the second gas storage chamber is connected with the first gas outlet end of the second rectifying tower.
4. The molten salt energy storage based compressed air separation system of claim 1, further comprising:
the air cooler is characterized in that a first passage of the air cooler is arranged between the air inlet end of the air compressor and the outside air, the air inlet end of the first passage of the air cooler is connected with the outside air, the air outlet end of the first passage of the air cooler is connected with the air inlet end of the air compressor, and a second passage of the air cooler is communicated with a cooling medium.
5. A molten salt energy storage based compressed air separation system as claimed in claim 1 wherein the molten salt energy storage device comprises:
the power utilization end of the electric heater is electrically connected with the power supply end of the turbonator;
the liquid inlet end of the high-temperature tank is connected with the liquid outlet end of the electric heater;
the liquid inlet end of a first passage of the heat exchanger is connected with the liquid outlet end of the high-temperature tank, the liquid inlet end of a second passage of the heat exchanger is connected with the liquid outlet end of the steam turbine generator unit, and the steam outlet end of the second passage of the heat exchanger is connected with the steam inlet end of the steam turbine generator unit;
the liquid inlet end of the low-temperature tank is connected with the liquid outlet end of the first passage of the heat exchanger, and the liquid outlet end of the low-temperature tank is connected with the liquid inlet end of the electric heater.
6. The molten salt energy storage based compressed air separation system of claim 5, wherein the molten salt energy storage device comprises:
the pump comprises a first pump body, wherein the first pump body is arranged between the liquid outlet end of the low-temperature tank and the liquid inlet end of the electric heater, the liquid inlet end of the first pump body is connected with the liquid outlet end of the low-temperature tank, and the liquid outlet end of the first pump body is connected with the liquid inlet end of the electric heater.
7. The molten salt energy storage based compressed air separation system of claim 5, wherein the molten salt energy storage device comprises:
the second pump body, the second pump body sets up the first passageway feed liquor end of heat exchanger with the play liquid end of high temperature jar links to each other between, the feed liquor end of the second pump body with the play liquid end of high temperature jar links to each other, the play liquid end of the second pump body with the first passageway feed liquor end of heat exchanger links to each other.
8. The molten salt energy storage based compressed air separation system of claim 5, further comprising:
and the regulating valve is arranged between the steam outlet end of the second passage of the heat exchanger and the steam inlet end of the steam turbine generator unit.
9. The molten salt energy storage based compressed air separation system of any one of claims 1-8, wherein the steam turbine generator unit comprises:
the steam inlet end of the back pressure turbine is connected with the steam outlet end of the molten salt energy storage device;
the power input end of the constant speed ratio gear box is connected with the power output end of the back pressure turbine;
the power input end of the generator is connected with the power output end of the fixed-speed-ratio gearbox, and the power supply end of the generator is electrically connected with the power utilization end of the air compressor;
and the steam inlet end of the condenser is connected with the steam outlet end of the back pressure turbine, and the liquid outlet end of the condenser is connected with the liquid inlet end of the molten salt energy storage device.
10. The molten salt energy storage based compressed air separation system of claim 9, wherein the steam turbine generator unit comprises:
the third pump body is arranged between the liquid outlet end of the condenser and the liquid inlet end of the fused salt energy storage device, the liquid inlet end of the third pump body is connected with the liquid outlet end of the condenser, and the liquid outlet end of the third pump body is connected with the liquid inlet end of the fused salt energy storage device.
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| CN202221286622.1U CN217712696U (en) | 2022-05-26 | 2022-05-26 | Compressed air separation system based on fused salt energy storage |
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| CN202221286622.1U CN217712696U (en) | 2022-05-26 | 2022-05-26 | Compressed air separation system based on fused salt energy storage |
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