CN217712695U - Industry supplies vapour system based on fused salt energy storage - Google Patents
Industry supplies vapour system based on fused salt energy storage Download PDFInfo
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- CN217712695U CN217712695U CN202221286514.4U CN202221286514U CN217712695U CN 217712695 U CN217712695 U CN 217712695U CN 202221286514 U CN202221286514 U CN 202221286514U CN 217712695 U CN217712695 U CN 217712695U
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Abstract
The present disclosure provides an industrial steam supply system based on molten salt energy storage, including: a molten salt energy storage device; the water outlet end of the first turbine power generation system is connected with the water inlet end of the fused salt energy storage device, and the power supply end of the first turbine power generation system is respectively connected with the power utilization end of the fused salt energy storage device and the power utilization end of the power grid; the steam inlet end of the second steam turbine power generation system is connected with the steam outlet end of the fused salt energy storage device, and the power supply end of the second steam turbine power generation system is connected with the power utilization end of the power utilization grid; and the steam inlet end of the steam supply pipeline is respectively connected with the steam outlet end of the second turbine power generation system and the steam outlet end of the molten salt energy storage device. In the industrial steam supply system based on the fused salt energy storage, industrial steam supply can be performed while power generation and peak regulation are realized, the power generation cost is effectively reduced, and the utilization rate of the first turbine power generation system and the second turbine power generation system is improved.
Description
Technical Field
The disclosure relates to the technical field of industrial steam supply, in particular to an industrial steam supply system based on molten salt energy storage.
Background
In the operation process of the thermal power generating unit, superheated steam is generated through a boiler and enters a steam turbine to expand and do work, so that blades rotate to drive a generator to generate power, and power supply to a power grid is realized.
Generally, a thermal power generating unit needs certain peak regulation capacity to reduce power generation cost and improve economic benefits, and meanwhile, part of steam generated by the thermal power generating unit needs to be used for industrial steam supply, so that a system capable of realizing peak regulation of the thermal power generating unit and performing industrial steam supply is provided.
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, the purpose of this disclosure is to provide an industrial steam supply system based on molten salt energy storage.
To achieve the above object, the present disclosure provides an industrial steam supply system based on molten salt energy storage, comprising: a molten salt energy storage device; the water outlet end of the first turbine power generation system is connected with the water inlet end of the molten salt energy storage device, and the power supply end of the first turbine power generation system is respectively connected with the power utilization end of the molten salt energy storage device and the power utilization end of the power utilization grid; the steam inlet end of the second steam turbine power generation system is connected with the steam outlet end of the molten salt energy storage device, and the power supply end of the second steam turbine power generation system is connected with the power utilization end of the power utilization grid; and the steam inlet end of the steam supply pipeline is respectively connected with the steam outlet end of the second steam turbine power generation system and the steam outlet end of the molten salt energy storage device.
Optionally, the industrial steam supply system further includes: and the first valve body is arranged between the steam inlet end of the second turbine power generation system and the steam outlet end of the molten salt energy storage device.
Optionally, the industrial steam supply system further includes: and the second valve body is arranged between the steam inlet end of the steam supply pipeline and the steam outlet end of the fused salt energy storage device.
Optionally, the molten salt energy storage device includes: the power utilization end of the electric heater is connected with the power supply end of the first steam turbine power generation system; 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 the first passage of the heat exchanger is connected with the liquid outlet end of the high-temperature tank, the water inlet end of the second passage of the heat exchanger is connected with the water outlet end of the first steam turbine power generation system, and the steam outlet end of the second passage of the heat exchanger is respectively connected with the steam inlet end of the second steam turbine power generation system and the steam inlet end of the steam supply pipeline; 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 further includes: the first pump body is arranged between the liquid inlet end of the first passage of the heat exchanger and the liquid outlet end of the high-temperature tank; the second pump body is arranged between the liquid outlet end of the low-temperature tank and the liquid inlet end of the electric heater; and the third pump body is arranged between the water inlet end of the second passage of the heat exchanger and the water outlet end of the first turbine power generation system.
Optionally, the first turbine power generation system includes: a boiler; the steam inlet end of the high-pressure cylinder is connected with the first steam outlet end of the boiler, and the steam outlet end of the high-pressure cylinder is connected with the steam inlet end of the boiler; the steam inlet end of the intermediate pressure cylinder is connected with the second steam outlet end of the boiler; the steam inlet end of the low pressure cylinder is connected with the steam outlet end of the medium pressure cylinder; the steam inlet end of the condenser is connected with the steam outlet end of the low-pressure cylinder, and the water outlet end of the condenser is respectively connected with the water inlet end of the boiler and the water inlet end of the second passage of the heat exchanger; and the power input end of the generator is connected with the power output end of the low-pressure cylinder, and the power supply end of the generator is respectively connected with the power utilization end of the electric heater and the power utilization end of the power utilization grid.
Optionally, the first turbine power generation system further includes: and the steam inlet end of the deaerator is respectively connected with the steam outlet end of the high-pressure cylinder and the steam outlet end of the medium-pressure cylinder, the water inlet end of the deaerator is connected with the water outlet end of the condenser, and the water outlet end of the deaerator is respectively connected with the water inlet end of the boiler and the water inlet end of the second passage of the heat exchanger.
Optionally, the first turbine power generation system further includes: the steam inlet end of the high-pressure heater is respectively connected with the steam outlet end of the high-pressure cylinder and the steam outlet end of the medium-pressure cylinder, the steam outlet end of the high-pressure heater is connected with the steam inlet end of the deaerator, the water inlet end of the high-pressure heater is connected with the water outlet end of the deaerator, and the water outlet end of the high-pressure heater is connected with the water inlet end of the boiler; the low-pressure heater, the steam inlet end of low-pressure heater with the play steam end of low pressure jar links to each other, the play steam end of low-pressure heater with the play water end of condenser links to each other, the end of intaking of low-pressure heater with the play water end of condenser links to each other, the play water end of low-pressure heater with the end of intaking of oxygen-eliminating device links to each other.
Optionally, the first turbine power generation system further includes: the fourth pump body is arranged between the water inlet end of the low-pressure heater and the water outlet end of the condenser; and the fifth pump body is arranged between the water inlet end of the high-pressure heater and the water outlet end of the deaerator.
Optionally, the second turbine power generation system includes: and the steam inlet end of the back pressure turbine is connected with the steam outlet end of the second passage of the heat exchanger, and the power supply end of the second turbine power generation system is connected with the power utilization end of the power utilization grid.
The technical scheme provided by the disclosure can comprise the following beneficial effects:
through the cooperation of the first steam turbine power generation system, the second steam turbine power generation system and the molten salt energy storage device, industrial steam supply can be carried out while power generation peak shaving is realized, the power generation cost is effectively reduced, and the utilization rate of the first steam turbine power generation system and the second steam turbine power generation system is improved.
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 foregoing 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 structural diagram of an industrial steam supply system based on molten salt energy storage according to an embodiment of the disclosure;
as shown in the figure: 1. the molten salt energy storage device comprises a molten salt energy storage device, 2, a first turbine power generation system, 3, a second turbine power generation system, 4, a steam supply pipeline, 5, a first valve body, 6, a second valve body, 7, an electric heater, 8, a high-temperature tank, 9, a heat exchanger, 10, a low-temperature tank, 11, a first pump body, 12, a second pump body, 13, a third pump body, 14, a boiler, 15, a high-pressure cylinder, 16, a middle-pressure cylinder, 17, a low-pressure cylinder, 18, a condenser, 19, a generator, 20, a deaerator, 21, a high-pressure heater, 22, a low-pressure heater, 23, a fourth pump body, 24, a fifth pump body, 25 and a back pressure turbine.
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. Rather, the embodiments of the disclosure include all changes, modifications and equivalents coming within the spirit and terms of the claims appended thereto.
As shown in fig. 1, an industrial steam supply system based on molten salt energy storage is provided in an embodiment of the present disclosure, and includes a molten salt energy storage device 1, a first steam turbine power generation system 2, a second steam turbine power generation system 3, and a steam supply pipeline 4, where a water outlet end of the first steam turbine power generation system 2 is connected to a water inlet end of the molten salt energy storage device 1, a power supply end of the first steam turbine power generation system is connected to a power utilization end of the molten salt energy storage device 1 and a power utilization end of a power utilization grid, a steam inlet end of the second steam turbine power generation system 3 is connected to a steam outlet end of the molten salt energy storage device 1, a power supply end of the second steam turbine power generation system 3 is connected to a power utilization end of the power utilization grid, and a steam inlet end of the steam supply pipeline 4 is connected to a steam outlet end of the second steam turbine power generation system 3 and a steam outlet end of the molten salt energy storage device 1.
It can be understood that when the demand of power consumption of the power grid is small, the first turbine power generation system 2 performs peak shaving and supplies power to the molten salt energy storage device 1 so as to convert electric energy into heat energy to be stored in molten salt;
when the power demand of the power grid is large, the first steam turbine power generation system 2 supplies power to the power grid comprehensively, the molten salt energy storage device 1 releases heat energy in the molten salt into water discharged from the first steam turbine power generation system 2, so that the water discharged from the first steam turbine power generation system 2 is converted into steam and supplies steam to the second steam turbine power generation system 3, the second steam turbine power generation system 3 and the first steam turbine power generation system 2 supply power to the power grid simultaneously, the power demand of the power grid is met, meanwhile, part of the steam converted from the water discharged from the first steam turbine power generation system 2 and the steam after acting in the second steam turbine power generation system 3 are conveyed to an industrial steam end through a steam supply pipeline, and industrial steam supply is achieved while the power demand of the power grid is met;
from this, through the cooperation of first turbine power generation system 2, second turbine power generation system 3 and fused salt energy memory 1, can carry out industry confession vapour when realizing the peak shaving of generating electricity, effectively reduced the power generation cost, and improved first turbine power generation system 2 and second turbine power generation system 3's utilization ratio.
As shown in fig. 1, in some embodiments, the industrial steam supply system further includes a first valve body 5, and the first valve body 5 is disposed between the steam inlet end of the second turbine power generation system 3 and the steam outlet end of the molten salt energy storage device 1.
It can be understood that when the power generation of the first steam turbine power generation system 2 cannot meet the power demand of the power grid, the first valve body 5 is opened, the molten salt energy storage device 1 converts the effluent of the first steam turbine power generation system 2 into steam, part of the steam enters the second steam turbine power generation system 3 to do work and generate power, and after doing work and generating power, industrial steam supply is carried out through the delivery of the steam supply pipeline 4, and the rest of the steam is directly carried out through the delivery of the steam supply pipeline 4;
when the power generation of the first turbine power generation system 2 can meet the power utilization requirement of a power grid, the first valve body 5 is closed, the molten salt energy storage device 1 converts the effluent of the first turbine power generation system 2 into steam, and all the steam is directly conveyed through the steam supply pipeline 4 for industrial steam supply;
when the power demand of the power grid is larger than the power generation of the first turbine power generation system 2 and smaller than the joint power generation of the first turbine power generation system 2 and the second turbine power generation system 3, the opening degree of the first valve body 5 can be adjusted to control the proportion of steam entering the second turbine power generation system 3, so that the overall power generation amount and the steam supply amount reach the optimal values.
As shown in fig. 1, in some embodiments, the industrial steam supply system further includes a second valve body 6, and the second valve body 6 is disposed between the connection between the steam inlet end of the steam supply pipeline 4 and the steam outlet end of the molten salt energy storage device 1.
It can be understood that the opening and closing state of the second valve body 6 is opposite to the opening and closing state of the first valve body 5, and the opening degree of the second valve body 6 is inversely related to the opening degree of the first valve body 5, that is, when the opening degree of the first valve body 5 is increased, the opening degree of the second valve body 6 is decreased, and when the opening degree of the first valve body 5 is decreased, the opening degree of the second valve body 6 is increased. Therefore, the overall stability is effectively improved through the matching of the second valve body 6 and the first valve body 5.
As shown in fig. 1, in some embodiments, the molten salt energy storage device 1 includes an electric heater 7, a high-temperature tank 8, a heat exchanger 9, and a low-temperature tank 10, a power utilization end of the electric heater 7 is connected to a power supply end of the first steam turbine power generation system, a liquid inlet end of the high-temperature tank 8 is connected to a liquid outlet end of the electric heater 7, a liquid inlet end of a first passage of the heat exchanger 9 is connected to a liquid outlet end of the high-temperature tank 8, a liquid inlet end of a second passage of the heat exchanger 9 is connected to a liquid outlet end of the first steam turbine power generation system 2, a vapor outlet end of a second passage of the heat exchanger 9 is connected to a vapor inlet end of the second steam turbine power generation system 3 and a vapor inlet end of the vapor supply pipeline 4, a liquid inlet end of the low-temperature tank 10 is connected to a liquid outlet end of the first passage of the heat exchanger 9, and a liquid outlet end of the low-temperature tank 10 is connected to a liquid inlet end of the electric heater 7.
It can be understood that the electric heater 7, the high-temperature tank 8, the first path of the heat exchanger 9 and the low-temperature tank 10 form a circulation path of molten salt, so that after the first steam turbine power generation system supplies power to the electric heater 7, the electric heater 7 heats the molten salt to convert electric energy into heat energy to be stored in the molten salt, thereby realizing power generation peak shaving, and when the molten salt passes through the first path of the heat exchanger 9 and the effluent of the first steam turbine power generation system 2 passes through the second path of the heat exchanger 9, the heat in the molten salt is released into water to heat the water into steam, thereby realizing power generation and industrial steam supply of the second steam turbine power generation system 3.
It should be noted that the heat exchanger 9 includes a first passage and a second passage for heat exchange, and heat exchange is performed when a temperature difference occurs between the first passage and the second passage.
In some embodiments, the electric heater 7 may include a heating tank and a heating wire, one end of the heating tank is connected to the liquid inlet end of the high temperature tank 8, the other end of the heating tank is connected to the liquid outlet end of the low temperature tank 10, the heating wire is disposed in the heating tank, and the power utilization end of the heating wire is connected to the power supply end of the first steam turbine power generation system. From this, after first turbine power generation system was the heater strip power supply, the fused salt in the heater strip heating jar to realize the heat-retaining of fused salt.
As shown in fig. 1, in some embodiments, the molten salt energy storage device 1 further includes a first pump body 11, a second pump body 12, and a third pump body 13, where the first pump body 11 is disposed between the liquid inlet end of the first passage of the heat exchanger 9 and the liquid outlet end of the high-temperature tank 8, the second pump body 12 is disposed between the liquid outlet end of the low-temperature tank 10 and the liquid inlet end of the electric heater 7, and the third pump body 13 is disposed between the water inlet end of the second passage of the heat exchanger 9 and the water outlet end of the first turbine power generation system 2.
It can be understood that, the first pump body 11 is carried the fused salt pressure boost in the high temperature tank 8 to the first route of heat exchanger 9, the second pump body 12 is carried the fused salt pressure boost in the low temperature tank 10 to electric heater 7, thereby the circulation of fused salt in the circulation route has been guaranteed, the third pump body 13 is carried the play water pressure boost of first turbine power generation system 2 to the second route of heat exchanger 9, in order to guarantee the confession vapour to second turbine power generation system 3 and confession vapour pipeline 4, therefore, through the first pump body 11, the setting of the second pump body 12 and the third pump body 13, the heat-retaining of fused salt has effectively been improved and the efficiency of releasing heat, guarantee the realization of electricity generation peak shaving and industry confession vapour.
As shown in fig. 1, in some embodiments, the first turbine power generation system 2 includes a boiler 14, a high pressure cylinder 15, an intermediate pressure cylinder 16, a low pressure cylinder 17, a condenser 18 and a generator 19, wherein a steam inlet of the high pressure cylinder 15 is connected to a first steam outlet of the boiler 14, a steam outlet of the high pressure cylinder 15 is connected to a steam inlet of the boiler 14, a steam inlet of the intermediate pressure cylinder 16 is connected to a second steam outlet of the boiler 14, a steam inlet of the low pressure cylinder 17 is connected to a steam outlet of the intermediate pressure cylinder 16, a steam inlet of the condenser 18 is connected to a steam outlet of the low pressure cylinder 17, a water outlet of the condenser 18 is connected to a water inlet of the boiler 14 and a water inlet of the second passage of the heat exchanger 9, a power input of the generator 19 is connected to a power output of the low pressure cylinder 17, and a power supply of the generator 19 is connected to a power utilization end of the electric heater 7 and a power utilization end of the power utilization grid.
It can be understood that the main steam in the boiler 14 enters the high pressure cylinder 15 from the first steam outlet end of the boiler 14 to do work, the steam doing work in the high pressure cylinder 15 enters the boiler 14 from the steam inlet end of the boiler 14 to be reheated, the reheated steam enters the intermediate pressure cylinder 16 from the second steam outlet end of the boiler 14 to do work, the steam doing work in the intermediate pressure cylinder 16 enters the low pressure cylinder 17 to do work, the steam doing work in the low pressure cylinder 17 passes through the condenser 18 to be condensed into water, part of the condensed water enters the boiler 14 from the water inlet end of the boiler 14 to be heated into main steam for recycling, and the rest of the condensed water enters the second passage of the heat exchanger 9 to absorb heat, so as to ensure steam supply to the second turbine power generation system 3 and the steam supply pipeline 4, and meanwhile, the steam sequentially does work in the high pressure cylinder 15, the intermediate pressure cylinder 16 and the low pressure cylinder 17 to drive the generator 19 to operate, so as to realize power supply to the electric heater 7 and the power grid.
It should be noted that the boiler 14 includes a first steam outlet end, a second steam outlet end, a steam inlet end, and a water inlet end, and in the boiler 14, the first steam outlet end is connected to the water inlet end, and the second steam outlet end is connected to the steam inlet end.
As shown in fig. 1, in some embodiments, the first turbine power generation system 2 further includes a deaerator 20, a steam inlet of the deaerator 20 is connected to a steam outlet of the high pressure cylinder 15 and a steam outlet of the intermediate pressure cylinder 16, a water inlet of the deaerator 20 is connected to a water outlet of the condenser 18, and a water outlet of the deaerator 20 is connected to a water inlet of the boiler 14 and a water inlet of the second path of the heat exchanger 9.
It can be understood that the deaerator 20 deaerates the effluent of the condenser 18 to reduce the oxygen content in the effluent of the condenser 18, thereby reducing damage to equipment and pipes in the system and prolonging the service life of the system.
As shown in fig. 1, in some embodiments, the first turbine power generation system 2 further includes a high-pressure heater 21 and a low-pressure heater 22, a steam inlet end of the high-pressure heater 21 is connected to a steam outlet end of the high-pressure cylinder 15 and a steam outlet end of the intermediate-pressure cylinder 16, a steam outlet end of the high-pressure heater 21 is connected to a steam inlet end of the deaerator 20, a water inlet end of the high-pressure heater 21 is connected to a water outlet end of the deaerator 20, a water outlet end of the high-pressure heater 21 is connected to a water inlet end of the boiler 14, a steam inlet end of the low-pressure heater 22 is connected to a steam outlet end of the low-pressure cylinder 17, a steam outlet end of the low-pressure heater 22 is connected to a water outlet end of the condenser 18, a water inlet end of the low-pressure heater 22 is connected to a water outlet end of the condenser 18, and a water outlet end of the low-pressure heater 22 is connected to a water inlet end of the deaerator 20.
It can be understood that the high pressure heater 21 heats the water from the deaerator 20 to the boiler 14 by using the steam after the work is done in the high pressure cylinder 15 and the intermediate pressure cylinder 16, and the low pressure heater 22 heats the water from the condenser 18 to the deaerator 20 by using the steam after the work is done in the low pressure cylinder 17, so that the heating efficiency of the boiler 14 is improved, and the power generation cost is reduced.
In some embodiments, as shown in fig. 1, the first turbine power generation system 2 further includes a fourth pump 23 and a fifth pump 24, the fourth pump 23 is disposed between the connection of the water inlet end of the low-pressure heater 22 and the water outlet end of the condenser 18, and the fifth pump 24 is disposed between the connection of the water inlet end of the high-pressure heater 21 and the water outlet end of the deaerator 20.
It can be understood that the fourth pump body 23 conveys the discharged water of the condenser 18 to the deaerator 20 after pressurizing the discharged water, and the fifth pump body 24 conveys the discharged water of the deaerator 20 to the boiler 14 after pressurizing the discharged water, so that the recycling of the discharged water of the condenser 18 is ensured, and the power generation cost is reduced.
As shown in fig. 1, in some embodiments, the second turbine power generation system 3 includes a back pressure turbine 25, a steam inlet of the back pressure turbine 25 is connected to a steam outlet of the second path of the heat exchanger 9, and a power supply of the second turbine power generation system 3 is connected to a power utilization end of a power utilization grid.
It can be understood that the back pressure turbine 25 has a high exhaust pressure and a high heat content, and can be directly utilized after industrial steam supply, thereby ensuring high-quality steam supply of the system.
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. Further, in the description of the present disclosure, "a plurality" means 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 in the process, and alternate implementations are included within the scope of the preferred embodiment of the present disclosure 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.
Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not 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. An industrial steam supply system based on molten salt energy storage is characterized by comprising:
a molten salt energy storage device;
the water outlet end of the first turbine power generation system is connected with the water inlet end of the molten salt energy storage device, and the power supply end of the first turbine power generation system is respectively connected with the power utilization end of the molten salt energy storage device and the power utilization end of the power utilization grid;
the steam inlet end of the second steam turbine power generation system is connected with the steam outlet end of the molten salt energy storage device, and the power supply end of the second steam turbine power generation system is connected with the power utilization end of the power utilization grid;
and the steam inlet end of the steam supply pipeline is respectively connected with the steam outlet end of the second steam turbine power generation system and the steam outlet end of the molten salt energy storage device.
2. The molten salt energy storage based industrial steam supply system of claim 1, further comprising:
and the first valve body is arranged between the steam inlet end of the second turbine power generation system and the steam outlet end of the molten salt energy storage device.
3. The molten salt energy storage based industrial steam supply system of claim 2, further comprising:
and the second valve body is arranged between the steam inlet end of the steam supply pipeline and the steam outlet end of the fused salt energy storage device.
4. A molten salt energy storage based industrial steam supply system according to claim 1, 2 or 3, characterized in that the molten salt energy storage device comprises:
the power utilization end of the electric heater is connected with the power supply end of the first steam turbine power generation system;
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 the first passage of the heat exchanger is connected with the liquid outlet end of the high-temperature tank, the water inlet end of the second passage of the heat exchanger is connected with the water outlet end of the first steam turbine power generation system, and the steam outlet end of the second passage of the heat exchanger is respectively connected with the steam inlet end of the second steam turbine power generation system and the steam inlet end of the steam supply pipeline;
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.
5. The industrial steam supply system based on molten salt energy storage according to claim 4, wherein the molten salt energy storage device further comprises:
the first pump body is arranged between the liquid inlet end of the first passage of the heat exchanger and the liquid outlet end of the high-temperature tank;
the second pump body is arranged between the liquid outlet end of the low-temperature tank and the liquid inlet end of the electric heater;
and the third pump body is arranged between the water inlet end of the second passage of the heat exchanger and the water outlet end of the first turbine power generation system.
6. The molten salt energy storage based industrial steam supply system of claim 4, wherein the first turbine power generation system comprises:
a boiler;
the steam inlet end of the high-pressure cylinder is connected with the first steam outlet end of the boiler, and the steam outlet end of the high-pressure cylinder is connected with the steam inlet end of the boiler;
the steam inlet end of the intermediate pressure cylinder is connected with the second steam outlet end of the boiler;
the steam inlet end of the low pressure cylinder is connected with the steam outlet end of the medium pressure cylinder;
the steam inlet end of the condenser is connected with the steam outlet end of the low-pressure cylinder, and the water outlet end of the condenser is respectively connected with the water inlet end of the boiler and the water inlet end of the second passage of the heat exchanger;
and the power input end of the generator is connected with the power output end of the low-pressure cylinder, and the power supply end of the generator is respectively connected with the power utilization end of the electric heater and the power utilization end of the power utilization grid.
7. The molten salt energy storage based industrial steam supply system of claim 6, wherein the first turbine power generation system further comprises:
and the steam inlet end of the deaerator is respectively connected with the steam outlet end of the high-pressure cylinder and the steam outlet end of the medium-pressure cylinder, the water inlet end of the deaerator is connected with the water outlet end of the condenser, and the water outlet end of the deaerator is respectively connected with the water inlet end of the boiler and the water inlet end of the second passage of the heat exchanger.
8. The molten salt energy storage based industrial steam supply system of claim 7, wherein the first turbine power generation system further comprises:
the steam inlet end of the high-pressure heater is respectively connected with the steam outlet end of the high-pressure cylinder and the steam outlet end of the medium-pressure cylinder, the steam outlet end of the high-pressure heater is connected with the steam inlet end of the deaerator, the water inlet end of the high-pressure heater is connected with the water outlet end of the deaerator, and the water outlet end of the high-pressure heater is connected with the water inlet end of the boiler;
the low-pressure heater, the steam inlet end of low-pressure heater with the play steam end of low pressure jar links to each other, the play steam end of low-pressure heater with the play water end of condenser links to each other, the end of intaking of low-pressure heater with the play water end of condenser links to each other, the play water end of low-pressure heater with the end of intaking of oxygen-eliminating device links to each other.
9. The molten salt energy storage based industrial steam supply system of claim 8, wherein the first turbine power generation system further comprises:
the fourth pump body is arranged between the water inlet end of the low-pressure heater and the water outlet end of the condenser;
and the fifth pump body is arranged between the water inlet end of the high-pressure heater and the water outlet end of the deaerator.
10. An industrial steam supply system based on molten salt energy storage according to claim 4, wherein the second turbine power generation system comprises:
and the steam inlet end of the back pressure turbine is connected with the steam outlet end of the second passage of the heat exchanger, and the power supply end of the second turbine power generation system is connected with the power utilization end of the power utilization grid.
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| CN202221286514.4U CN217712695U (en) | 2022-05-26 | 2022-05-26 | Industry supplies vapour system based on fused salt energy storage |
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| CN202221286514.4U CN217712695U (en) | 2022-05-26 | 2022-05-26 | Industry supplies vapour system based on fused salt energy storage |
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| CN202221286514.4U Active CN217712695U (en) | 2022-05-26 | 2022-05-26 | Industry supplies vapour system based on fused salt energy storage |
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