CN220134118U - Industrial steam supply device based on molten salt energy storage - Google Patents
Industrial steam supply device based on molten salt energy storage Download PDFInfo
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- CN220134118U CN220134118U CN202321660987.0U CN202321660987U CN220134118U CN 220134118 U CN220134118 U CN 220134118U CN 202321660987 U CN202321660987 U CN 202321660987U CN 220134118 U CN220134118 U CN 220134118U
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- 150000003839 salts Chemical class 0.000 title claims abstract description 61
- 238000004146 energy storage Methods 0.000 title claims abstract description 15
- 238000005338 heat storage Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an industrial steam supply device based on molten salt energy storage, which comprises: a thermal power plant system, a fused salt heat storage system and a steam injector; the thermal power plant system comprises a deaerator and a medium-pressure cylinder, and the output end of the deaerator is connected with the molten salt heat storage system; the steam injector is respectively connected with the molten salt heat storage system and the medium pressure cylinder; wherein, the thermal power plant system further includes: boiler, high pressure cylinder, low pressure cylinder, generator and condenser. According to the technical scheme provided by the utility model, the stable steam generated by the fused salt heat storage system is utilized to jet low parameters, so that the steam is stably supplied outwards, and the service efficiency of the steam injector is greatly improved.
Description
Technical Field
The utility model relates to the technical field of molten salt energy storage, in particular to an industrial steam supply device based on molten salt energy storage.
Background
With the development of new energy, the consumption proportion of non-fossil energy accounting for primary energy is about 25%, the total installed capacity of wind power and solar power generation is more than 12 hundred million kilowatts, and it can be seen that the capacity and the power generation of wind power and solar power generation of the next step are greatly improved from the total installed capacity and the power generation capacity, and the thermal power generating unit is subjected to larger renewable energy consumption pressure, namely depth peak regulation pressure. In the process of deep peak shaving, the steam extraction parameters of all levels of the thermal power generating unit slide downwards to a large extent, so that the steam injector cannot be put into operation, and certain economic loss is caused.
Disclosure of Invention
The utility model provides an industrial steam supply device based on molten salt energy storage, which at least solves the technical problem that steam ejectors cannot be put into operation to cause certain economic loss due to the fact that steam extraction parameters of all levels of a thermal power generating unit slide downwards greatly in the related art.
An embodiment of a first aspect of the present utility model provides an industrial steam supply device based on molten salt energy storage, including: a thermal power plant system, a fused salt heat storage system and a steam injector;
the thermal power plant system comprises a deaerator and a medium-pressure cylinder, and the output end of the deaerator is connected with the molten salt heat storage system;
the steam injector is respectively connected with the molten salt heat storage system and the medium pressure cylinder;
wherein, the thermal power plant system further includes: boiler, high pressure cylinder, low pressure cylinder, generator and condenser.
Preferably, the device further comprises a first valve;
the first valve is disposed between the molten salt heat storage system and the steam injector.
Further, the device also comprises a second valve;
the second valve is arranged between the medium pressure cylinder and the low pressure cylinder.
Further, the molten salt heat storage system includes: a salt-water heat exchanger, a high temperature tank, a low temperature tank and a molten salt electric heater;
the output end of the generator is connected with the molten salt electric heater;
the output end of the low-temperature tank is connected with the input end of the molten salt electric heater, and the input end of the low-temperature tank is connected with the output end of the salt-water heat exchanger;
the input end of the high-temperature tank is connected with the output end of the molten salt electric heater, and the output end of the high-temperature tank is connected with the input end of the salt-water heat exchanger.
Further, the output end of the salt-water heat exchanger is sequentially connected with the first valve and the steam injector.
The technical scheme provided by the embodiment of the utility model at least has the following beneficial effects:
the utility model provides an industrial steam supply device based on molten salt energy storage, which comprises: a thermal power plant system, a fused salt heat storage system and a steam injector; the thermal power plant system comprises a deaerator and a medium-pressure cylinder, and the output end of the deaerator is connected with the molten salt heat storage system; the steam injector is respectively connected with the molten salt heat storage system and the medium pressure cylinder; wherein, the thermal power plant system further includes: boiler, high pressure cylinder, low pressure cylinder, generator and condenser. According to the technical scheme provided by the utility model, the stable steam generated by the fused salt heat storage system is utilized to jet low parameters, so that the steam is stably supplied outwards, and the service efficiency of the steam injector is greatly improved.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a first construction of an industrial steam supply device based on molten salt energy storage according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a second structure of an industrial steam supply device based on molten salt energy storage according to an embodiment of the present utility model;
reference numerals:
the system comprises a thermal power plant system 1, a fused salt heat storage system 2, a steam injector 3, a deaerator 1-1, a medium-pressure cylinder 1-2, a boiler 1-3, a high-pressure cylinder 1-4, a low-pressure cylinder 1-5, a generator 1-6, a condenser 1-7, a high-pressure heater 1-8, a low-pressure heater 1-9, a first valve 4, a second valve 5, a salt-water heat exchanger 2-1, a high-temperature tank 2-2, a low-temperature tank 2-3 and a fused salt electric heater 2-4.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The utility model provides an industrial steam supply device based on molten salt energy storage, which comprises: a thermal power plant system, a fused salt heat storage system and a steam injector; the thermal power plant system comprises a deaerator and a medium-pressure cylinder, and the output end of the deaerator is connected with the molten salt heat storage system; the steam injector is respectively connected with the molten salt heat storage system and the medium pressure cylinder; wherein, the thermal power plant system further includes: boiler, high pressure cylinder, low pressure cylinder, generator and condenser. According to the technical scheme provided by the utility model, the stable steam generated by the fused salt heat storage system is utilized to jet low parameters, so that the steam is stably supplied outwards, and the service efficiency of the steam injector is greatly improved.
An industrial steam supply device based on molten salt energy storage according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Example 1
Fig. 1 is a block diagram of an industrial steam supply device based on molten salt energy storage according to an embodiment of the disclosure, as shown in fig. 1, the device includes: a thermal power plant system 1, a molten salt heat storage system 2 and a steam injector 3;
the thermal power plant system 1 comprises a deaerator 1-1 and a medium pressure cylinder 1-2, wherein the output end of the deaerator 1-1 is connected with the molten salt heat storage system 2;
the steam injector 3 is respectively connected with the molten salt heat storage system 2 and the medium pressure cylinder 1-2;
the molten salt heat storage system 2 is used for exchanging heat of water output by the deaerator 1-1 in the thermal power plant system 1 to generate steam and outputting the steam to a device required by the steam through the steam injector 3;
wherein, the thermal power plant system 1 further comprises: 1-3 parts of boiler, 1-4 parts of high-pressure cylinder, 1-5 parts of low-pressure cylinder, 1-6 parts of generator and 1-7 parts of condenser.
In the embodiment of the present disclosure, as shown in fig. 2, the thermal power plant system 1 further includes: three high-pressure heaters 1-8, namely GJ1, GJ2 and GJ3 in FIG. 2, and four low-pressure heaters 1-9, namely DJ5, DJ6, DJ7 and DJ8 in the figure.
In the disclosed embodiment, as shown in fig. 2, the apparatus further comprises a first valve 4;
the first valve 4 is arranged between the molten salt heat storage system 2 and the steam injector 3.
Further, as shown in fig. 2, the device further comprises a second valve 5;
the second valve 5 is arranged between the medium pressure cylinder 1-2 and the low pressure cylinder 1-5.
Specifically, as shown in fig. 2, the molten salt heat storage system 2 includes: a salt-water heat exchanger 2-1, a high temperature tank 2-2, a low temperature tank 2-3 and a molten salt electric heater 2-4;
the output end of the generator 1-6 is connected with the molten salt electric heater 2-4 and is used for supplying electricity generated by the thermal power plant system 1 to the molten salt electric heater 2-4 for utilization;
the output end of the low-temperature tank 2-3 is connected with the input end of the molten salt electric heater 2-4, and the input end of the low-temperature tank 2-3 is connected with the output end of the salt-water heat exchanger 2-1;
the input end of the high-temperature tank 2-2 is connected with the output end of the molten salt electric heater 2-4, and the output end of the high-temperature tank 2-2 is connected with the input end of the salt-water heat exchanger 2-1.
The output end of the salt-water heat exchanger 2-1 is connected with the first valve 4 and the steam injector 3 in sequence.
The output end of the medium pressure cylinder 1-2 of the thermal power plant system 1 is connected with the steam injector 3, and is used for injecting steam, when the steam efficiency of the steam output by the medium pressure cylinder 1-2 is lower, the deaerator 1-1 is used for deoxidizing water output by the high pressure cylinder 1-4 and heated by the high pressure heater 1-8, water output by the low pressure cylinder 1-5 and heated by the low pressure heater 1-9 and water output by the medium pressure cylinder 1-2, the deoxidized water is input into the salt-water heat exchanger 2-1 to perform molten salt heat exchange to generate steam, then the opening degree of the first valve 4 is controlled based on the required steam, the steam injector 3 is used for injecting steam, when the required steam is smaller than the steam output by the medium pressure cylinder 1-2, the second valve 5 is opened, the steam enters the low pressure cylinder 1-5 to generate electricity by the generator 1-6, then the generated electricity can be input into the power grid and the molten salt electric heater 2-4 is supplied, and the opening degree of the second valve 5 is controlled based on the required steam. Through the control of this device, and then can stabilize steam and draw the low parameter for steam is stabilized and is supplied outward, has improved steam injector's availability factor by a wide margin.
In summary, the industrial steam supply device based on molten salt energy storage provided by the embodiment utilizes stable steam generated by the molten salt heat storage system to inject low parameters, so that steam is stably supplied externally, and the service efficiency of the steam injector is greatly improved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
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 additional implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present utility model.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (5)
1. An industrial steam supply device based on molten salt energy storage, which is characterized by comprising: a thermal power plant system, a fused salt heat storage system and a steam injector;
the thermal power plant system comprises a deaerator and a medium-pressure cylinder, and the output end of the deaerator is connected with the molten salt heat storage system;
the steam injector is respectively connected with the molten salt heat storage system and the medium pressure cylinder;
wherein, the thermal power plant system further includes: boiler, high pressure cylinder, low pressure cylinder, generator and condenser.
2. The apparatus of claim 1, further comprising a first valve;
the first valve is disposed between the molten salt heat storage system and the steam injector.
3. The apparatus of claim 2, further comprising a second valve;
the second valve is arranged between the medium pressure cylinder and the low pressure cylinder.
4. The apparatus of claim 3 wherein the molten salt heat storage system comprises: a salt-water heat exchanger, a high temperature tank, a low temperature tank and a molten salt electric heater;
the output end of the generator is connected with the molten salt electric heater;
the output end of the low-temperature tank is connected with the input end of the molten salt electric heater, and the input end of the low-temperature tank is connected with the output end of the salt-water heat exchanger;
the input end of the high-temperature tank is connected with the output end of the molten salt electric heater, and the output end of the high-temperature tank is connected with the input end of the salt-water heat exchanger.
5. The apparatus of claim 4, wherein the output of the salt-water heat exchanger is connected in series with the first valve and the steam injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660987.0U CN220134118U (en) | 2023-06-28 | 2023-06-28 | Industrial steam supply device based on molten salt energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660987.0U CN220134118U (en) | 2023-06-28 | 2023-06-28 | Industrial steam supply device based on molten salt energy storage |
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| CN220134118U true CN220134118U (en) | 2023-12-05 |
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| CN202321660987.0U Active CN220134118U (en) | 2023-06-28 | 2023-06-28 | Industrial steam supply device based on molten salt energy storage |
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2023
- 2023-06-28 CN CN202321660987.0U patent/CN220134118U/en active Active
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