CN217354596U - Utilize supplementary combined heat and power unit of scene fire energy storage multipotency complementation - Google Patents
Utilize supplementary combined heat and power unit of scene fire energy storage multipotency complementation Download PDFInfo
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- CN217354596U CN217354596U CN202221279542.3U CN202221279542U CN217354596U CN 217354596 U CN217354596 U CN 217354596U CN 202221279542 U CN202221279542 U CN 202221279542U CN 217354596 U CN217354596 U CN 217354596U
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Abstract
The present disclosure provides a cogeneration unit using wind, light, fire and energy storage for multi-energy complementary assistance, comprising: thermal power generating set, wind turbine generator system, fused salt energy memory, supply vapour pipeline and first solar collector, fused salt energy memory's the power consumption end links to each other with thermal power generating set's power supply end and wind turbine generator system's power supply end electrical property respectively, fused salt energy memory's feed liquor end links to each other with thermal power generating set's play liquid end, the steam inlet end that supplies vapour pipeline links to each other with thermal power generating set's play liquid end and fused salt energy memory's play vapour end respectively, first solar collector sets up on fused salt energy memory's heat-retaining way. In the combined heat and power generation unit utilizing wind, light, fire and energy storage complementary assistance, when the power consumption requirement is larger or smaller, the heat stored in the fused salt can be utilized for steam supply, so that the combined heat and power generation unit can supply power at full load or reduce the power load depth, and the peak regulation capability of the combined heat and power generation unit is effectively improved.
Description
Technical Field
The disclosure relates to the technical field of cogeneration units, in particular to a cogeneration unit assisted by wind, light, fire and energy storage.
Background
The power plant not only produces electric energy, but also utilizes the steam that turbonator made the merit to the production mode of user's heat supply, is called cogeneration unit, and cogeneration unit can produce electric energy and heat energy simultaneously, and the mode of producing electric energy and heat energy respectively, its fuel of having effectively practiced thrift, has reduced manufacturing cost.
At the cogeneration unit at the operation in-process, because the cogeneration unit needs to supply vapour, consequently when the power consumption demand is great, can't realize the full load power supply of cogeneration unit when satisfying the vapour demand that supplies, when the power consumption demand is less, can't realize the further down-regulation of cogeneration unit electrical load when satisfying the vapour demand that supplies, lead to the peak regulation ability of cogeneration unit relatively poor.
Disclosure of Invention
The present disclosure is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the invention aims to provide a combined heat and power generation unit assisted by wind, light, fire and energy storage complementation.
In order to achieve the above object, the present disclosure provides a cogeneration unit assisted by wind, light, fire and energy storage, comprising: thermal power generating set, wind turbine generator system, fused salt energy memory, supply vapour pipeline and first solar collector, fused salt energy memory with the end respectively with thermal power generating set's power supply end reaches wind turbine generator system's power supply end electrical property links to each other, fused salt energy memory's feed liquor end with thermal power generating set's play liquid end links to each other, supply vapour pipeline's steam inlet end respectively with thermal power generating set's play liquid end reaches fused salt energy memory's play vapour end links to each other, first solar collector sets up on fused salt energy memory's the heat-retaining way.
Optionally, the molten salt energy storage device includes: the power utilization end of the first electric heater is electrically connected with the power supply end of the thermal power generating unit and the power supply end of the wind power generating unit respectively, and the liquid inlet end of the first electric heater is connected with the liquid outlet end of the first solar heat collector; the liquid inlet end of the high-temperature tank is connected with the liquid outlet end of the first electric heater; the liquid inlet end of a first passage of the first heat exchanger is connected with the liquid outlet end of the high-temperature tank, the liquid inlet end of a second passage of the first heat exchanger is connected with the liquid outlet end of the thermal power generating unit, and the vapor outlet end of the second passage of the first heat exchanger is connected with the vapor inlet end of the vapor supply pipeline; the liquid inlet end of the low-temperature tank is connected with the liquid outlet end of the first passage of the first heat exchanger, and the liquid outlet end of the low-temperature tank is connected with the liquid inlet end of the first solar heat collector.
Optionally, the molten salt energy storage device further includes: 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 first solar heat collector, 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 first solar heat collector.
Optionally, the molten salt energy storage device further includes: the second pump body, the second pump body sets up the first passageway feed liquor end of first 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 first heat exchanger links to each other.
Optionally, the cogeneration unit further comprises: the temperature reduction valve is arranged between the steam inlet end of the steam supply pipeline and the liquid outlet end of the thermal power generating unit, the liquid inlet end of the temperature reduction valve is connected with the liquid outlet end of the thermal power generating unit, and the liquid outlet end of the temperature reduction valve is connected with the steam inlet end of the steam supply pipeline.
Optionally, the cogeneration unit further comprises: the third pump body, the third pump body sets up thermal power generating unit's play liquid end respectively with the inlet end of desuperheating valve reaches between the second passageway inlet end of first heat exchanger links to each other, the inlet end of the third pump body with the play liquid end of thermal power generating unit links to each other, the play liquid end of the third pump body respectively with the inlet end of desuperheating valve reaches the second passageway inlet end of first heat exchanger links to each other.
Optionally, the cogeneration unit further comprises: the power utilization end of the second electric heater is electrically connected with the power supply end of the wind turbine generator, and the liquid inlet end of the second electric heater is connected with the liquid outlet end of the heat utilization equipment; a liquid inlet end of a first passage of the second heat exchanger is connected with a liquid outlet end of the second electric heater, a vapor inlet end of a second passage of the second heat exchanger is connected with a vapor outlet end of a second passage of the first heat exchanger, and a liquid outlet end of the second passage of the second heat exchanger is connected with a liquid inlet end of the thermal power generating unit; and the liquid outlet end of the heat supply pipeline is connected with the liquid inlet end of the heat utilization equipment.
Optionally, the cogeneration unit further comprises: the second solar heat collector is arranged between the liquid inlet end of the second electric heater and the liquid outlet end of the heat utilization equipment, the liquid inlet end of the second solar heat collector is connected with the liquid outlet end of the heat utilization equipment, and the liquid outlet end of the second solar heat collector is connected with the liquid inlet end of the second electric heater.
Optionally, the cogeneration unit further comprises: the fourth pump body, the fourth pump body sets up the feed liquor end of second solar collector with between the play liquid end of heat equipment links to each other, the feed liquor end of the fourth pump body with the play liquid end of heat equipment links to each other, the play liquid end of the fourth pump body with the feed liquor end of second solar collector links to each other.
Optionally, the cogeneration unit further comprises: the regulating valve is arranged between the steam inlet end of the second passage of the second heat exchanger and the steam outlet end of the second passage of the first heat exchanger, the liquid inlet end of the regulating valve is connected with the steam outlet end of the second passage of the first heat exchanger, and the liquid outlet end of the regulating valve is connected with the steam inlet end of the second passage of the second heat exchanger.
The technical scheme provided by the disclosure can comprise the following beneficial effects:
thermal power unit converts heat energy into electric energy and for fused salt energy memory power supply when satisfying the electric wire netting power consumption demand, wind turbine generator system converts wind energy into electric energy and supplies power for fused salt energy memory, fused salt energy memory converts electric energy into heat energy storage in the fused salt, and simultaneously, first solar collector converts light energy into heat energy storage in fused salt energy memory's fused salt, therefore, the part that makes fused salt energy memory's fused salt can heat thermal power unit goes out the liquid, supply vapour through supplying the vapour pipeline after making thermal power unit's part go out the liquid conversion of steam. Therefore, the heat and power cogeneration unit integrally supplies steam under the coordination of various energy sources;
when the power demand is larger or smaller, the heat stored in the fused salt can be used for steam supply, so that the cogeneration unit can supply power at full load or reduce the power load depth, and the peak regulation capability of the cogeneration unit is effectively improved;
through the power supply of the wind turbine generator and the heat supply of the first solar heat collector, the energy consumption of the thermal power generating unit is reduced, the steam supply cost of the cogeneration unit is reduced, clean energy is fully utilized, the carbon emission is reduced while the utilization efficiency of the clean energy is improved, and the purposes of carbon peak reaching and carbon neutralization are favorably realized.
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 a cogeneration unit assisted by wind, light, fire and energy storage and complementation according to an embodiment of the disclosure;
fig. 2 is a schematic structural diagram of a cogeneration unit assisted by wind, light, fire and energy storage multi-energy complementation according to an embodiment of the disclosure;
as shown in the figure: 1. thermal power generating set, 2, wind turbine generator system, 3, fused salt energy memory, 4, supply vapour pipeline, 5, first solar collector, 6, first electric heater, 7, high temperature tank, 8, first heat exchanger, 9, low temperature tank, 10, the first pump body, 11, the second pump body, 12, the temperature reduction valve, 13, the third pump body, 14, the second electric heater, 15, the second heat exchanger, 16, the heat supply pipeline, 17, the second solar collector, 18, the fourth pump body, 19, the governing valve.
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 or similar 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.
As shown in fig. 1 and fig. 2, an embodiment of the present disclosure provides a cogeneration unit assisted by wind, light, fire and energy storage multi-energy complementation, including: thermal power generating set 1, wind turbine generator system 2, fused salt energy storage device 3, supply vapour pipeline 4 and first solar collector 5, fused salt energy storage device 3 with the electricity end respectively with thermal power generating set 1's feed end and wind turbine generator system 2's feed end electrical property link to each other, fused salt energy storage device 3's inlet end links to each other with thermal power generating set 1's play liquid end, the steam inlet end that supplies vapour pipeline 4 links to each other with thermal power generating set 1's play liquid end and fused salt energy storage device 3's play vapour end respectively, first solar collector 5 sets up on fused salt energy storage device 3's heat-retaining way.
It can be understood that, thermal power unit 1 converts heat energy into electric energy and for fused salt energy storage device 3 power supplies when satisfying the electric wire netting power consumption demand, wind turbine generator system 2 converts wind energy into electric energy and for fused salt energy storage device 3 power supplies, fused salt energy storage device 3 converts electric energy into heat energy storage in the fused salt, and simultaneously, first solar collector 5 converts light energy into heat energy and stores in fused salt energy storage device 3's fused salt, therefore, the part that makes fused salt energy storage device 3's fused salt can heat thermal power unit 1 goes out the liquid, supply vapour through supplying the vapour pipeline after making thermal power unit 1's part go out the liquid conversion to steam. Therefore, the heat and power cogeneration unit integrally supplies steam under the coordination of various energy sources;
when the power demand is larger or smaller, the heat stored in the fused salt can be used for steam supply, so that the cogeneration unit can supply power at full load or reduce the power load depth, and the peak regulation capability of the cogeneration unit is effectively improved;
the power supply of the wind turbine generator system 2 and the heat supply of the first solar heat collector 5 not only reduce the energy consumption of the thermal power generating unit 1 and reduce the steam supply cost of the cogeneration unit, but also make full use of clean energy, reduce carbon emission while improving the utilization efficiency of the clean energy, and facilitate the realization of the carbon peak reaching and the carbon neutralization.
It should be noted that, when the demand for power consumption is moderate, thermal power unit 1 need not the peak regulation, and at this moment, wind turbine generator system 2 supplies power as molten salt energy storage device 3's main power, and thermal power unit 1 supplies power as molten salt energy storage device 3's stand-by power supply, promptly: when the wind energy is small, the output electric energy of the wind turbine generator 2 is small, even the output electric energy is not output, the fused salt energy storage device 3 is powered by the thermal power generating unit 1, and when the wind energy is large, the output electric energy of the wind turbine generator 2 is large, the fused salt energy storage device 3 is powered by the wind turbine generator 2. Under the power supply of the wind power generating set 2 or the thermal power generating set 1, the fused salt energy storage device 3 converts electric energy into heat energy to be stored in fused salt, and meanwhile, the first solar heat collector 5 converts light energy into heat energy to be stored in the fused salt of the fused salt energy storage device 3;
when the electricity demand is low, the thermal power generating unit 1 needs deep peak regulation, at the moment, the first solar thermal collector 5 is closed, the wind power generating unit 2 does not supply power to the fused salt energy storage device 3, the fused salt energy storage device 3 is completely supplied with power by the thermal power generating unit 1, the fused salt energy storage device 3 converts the electric energy of the thermal power generating unit 1 into heat energy to be stored in the fused salt, and therefore the peak regulation depth of the thermal power generating unit 1 is increased;
when the power demand is large, the thermal power generating unit 1 is fully loaded to supply power to the power grid, the molten salt energy storage device 3 stops heating molten salt, and the molten salt energy storage device 3 only carries out a heat release process;
the wind turbine generator 2 supplies power to the fused salt energy storage device 3, the fused salt energy storage device 3 converts electric energy of the wind turbine generator 2 into heat energy to be stored in fused salt, and meanwhile, the first solar heat collector 5 converts light energy into heat energy to be stored in the fused salt of the fused salt energy storage device 3;
meanwhile, the molten salt of the molten salt energy storage device 3 is not influenced by the demand of electricity, and the partial discharged liquid of the thermal power generating unit 1 is heated all the time, so that the partial discharged liquid of the thermal power generating unit 1 is converted into steam and then supplied with steam through a steam supply pipeline, and stable and continuous steam supply of the cogeneration unit is realized.
The thermal power generating unit 1 comprises a boiler, a cylinder, a generator, a condenser and the like, wherein the boiler heats water into steam, the steam enters the cylinder to do work and drives the generator to generate electricity, the condenser condenses the steam after doing work into water, and the water enters the boiler again to be recycled, wherein the liquid inlet end of the thermal power generating unit 1 is the liquid inlet end of the boiler, the liquid outlet end of the thermal power generating unit 1 is the liquid outlet end of the condenser, and the power supply end of the thermal power generating unit 1 is the power supply end of the generator.
The wind power generation set 2 comprises a wind wheel, a generator and the like, the wind drives the wind wheel to rotate, the wind wheel drives the generator to generate power, the power supply end of the wind power generation set 2 refers to the power supply end of the generator, and the thermal power generation set supplies power for the fused salt energy storage device and belongs to service power.
As shown in fig. 1 and 2, in some embodiments, the molten salt energy storage device 3 comprises a first electric heater 6, a high temperature tank 7, the system comprises a first heat exchanger 8 and a low-temperature tank 9, wherein the power utilization end of the first electric heater 6 is electrically connected with the power supply end of the thermal power generating unit 1 and the power supply end of the wind power generating unit 2 respectively, the liquid inlet end of the first electric heater 6 is connected with the liquid outlet end of the first solar heat collector 5, the liquid inlet end of the high-temperature tank 7 is connected with the liquid outlet end of the first electric heater 6, the first channel liquid inlet end of the first heat exchanger 8 is connected with the liquid outlet end of the high-temperature tank 7, the second channel liquid inlet end of the first heat exchanger 8 is connected with the liquid outlet end of the thermal power generating unit 1, the second channel vapor outlet end of the first heat exchanger 8 is connected with the vapor inlet end of the vapor supply pipeline 4, the liquid inlet end of the low-temperature tank 9 is connected with the first channel liquid outlet end of the first heat exchanger 8, and the liquid outlet end of the low-temperature tank 9 is connected with the liquid inlet end of the first solar heat collector 5.
It can be understood that the molten salt in the low-temperature tank 9 sequentially passes through the first solar thermal collector 5 and the first electric heater 6 and then enters the high-temperature tank 7, wherein when the molten salt passes through the first solar thermal collector 5, the first solar thermal collector 5 converts light energy into heat energy to be stored in the molten salt, so as to preheat the molten salt, and when the molten salt passes through the first electric heater 6, the first electric heater 6 converts electric energy into heat energy to be stored in the molten salt, so as to heat the molten salt. Thereby, the molten salt having a higher heat quantity is stored in the high-temperature tank 7;
molten salt in the high-temperature tank 7 enters the low-temperature tank 9 after passing through a first passage of the first heat exchanger 8, part of the effluent of the thermal power unit 1 directly enters the steam supply pipeline 4, and the rest of the effluent of the thermal power unit 1 enters the steam supply pipeline 4 after passing through a second passage of the first heat exchanger 8, wherein when the molten salt passes through the first passage of the first heat exchanger 8 and the rest of the effluent of the thermal power unit 1 passes through a second passage of the first heat exchanger 8, heat in the molten salt is transferred to the rest of the effluent of the thermal power unit 1, so that the rest of the effluent of the thermal power unit 1 is converted into steam, and the steam is mixed with the part of the effluent of the thermal power unit 1 and then is conveyed to steam utilization equipment through the steam supply pipeline 4, so that steam supply of the cogeneration unit is realized.
The heat storage path of the molten salt energy storage device 3 is a path from the low-temperature tank 9 to the high-temperature tank 7.
As shown in fig. 1 and 2, in some embodiments, the molten salt energy storage device 3 further includes a first pump 10, the first pump 10 is disposed between the liquid outlet end of the low-temperature tank 9 and the liquid inlet end of the first solar collector 5, the liquid inlet end of the first pump 10 is connected to the liquid outlet end of the low-temperature tank 9, and the liquid outlet end of the first pump 10 is connected to the liquid inlet end of the first solar collector 5.
It can be understood that the first pump body 10 pressurizes the molten salt in the low-temperature tank 9 and then conveys the pressurized molten salt into the high-temperature tank 7, so that stable heat storage of the molten salt is ensured.
As shown in fig. 1 and 2, in some embodiments, the molten salt energy storage device 3 further includes a second pump body 11, the second pump body 11 is disposed between the liquid inlet end of the first passage of the first heat exchanger 8 and the liquid outlet end of the high-temperature tank 7, the liquid inlet end of the second pump body 11 is connected to the liquid outlet end of the high-temperature tank 7, and the liquid outlet end of the second pump body 11 is connected to the liquid inlet end of the first passage of the first heat exchanger 8.
It can be understood that the second pump body 11 pressurizes the molten salt in the high-temperature tank 7 and then conveys the pressurized molten salt into the low-temperature tank 9, so that stable heat release of the molten salt is ensured.
As shown in fig. 1 and fig. 2, in some embodiments, the cogeneration unit further includes a temperature reduction valve 12, the temperature reduction valve 12 is disposed between the steam inlet end of the steam supply pipeline 4 and the liquid outlet end of the thermal power unit 1, the liquid inlet end of the temperature reduction valve 12 is connected to the liquid outlet end of the thermal power unit 1, and the liquid outlet end of the temperature reduction valve 12 is connected to the steam inlet end of the steam supply pipeline 4.
It can be understood that partial effluent of the thermal power generating unit 1 enters the steam supply pipeline 4 after passing through the desuperheating valve 12 so as to adjust the steam supply temperature of the steam supply pipeline 4 and ensure that the steam supply of the cogeneration unit can meet the steam demand.
As shown in fig. 1 and fig. 2, in some embodiments, the cogeneration unit further includes a third pump body 13, the third pump body 13 is disposed between the liquid outlet end of the thermal power unit 1 and the liquid inlet end of the desuperheating valve 12 and the liquid inlet end of the second passage of the first heat exchanger 8, the liquid inlet end of the third pump body 13 is connected to the liquid outlet end of the thermal power unit 1, and the liquid outlet end of the third pump body 13 is connected to the liquid inlet end of the desuperheating valve 12 and the liquid inlet end of the second passage of the first heat exchanger 8.
It can be understood that the third pump body 13 pressurizes the output liquid of the thermal power generating unit 1 and then conveys the pressurized output liquid to the second passage of the first heat exchanger 8 and the steam supply pipeline 4, so as to ensure stable steam supply of the cogeneration unit.
As shown in fig. 2, in some embodiments, the cogeneration unit further includes a second electric heater 14, a second heat exchanger 15 and a heat supply pipeline 16, a power consumption end of the second electric heater 14 is electrically connected to a power supply end of the wind turbine generator 2, a liquid inlet end of the second electric heater 14 is connected to a liquid outlet end of the heat consumption device, a first passage liquid inlet end of the second heat exchanger 15 is connected to a liquid outlet end of the second electric heater 14, a second passage vapor inlet end of the second heat exchanger 15 is connected to a second passage vapor outlet end of the first heat exchanger 8, a second passage liquid outlet end of the second heat exchanger 15 is connected to a liquid inlet end of the thermal power unit 1, a liquid inlet end of the heat supply pipeline 16 is connected to a first passage liquid outlet end of the second heat exchanger 15, and a liquid outlet end of the heat supply pipeline 16 is connected to a liquid inlet end of the heat consumption device.
It can be understood that the outlet liquid of the heat utilization equipment sequentially passes through the first passages of the second electric heater 14 and the second heat exchanger 15 and then returns to the heat utilization equipment again, and the outlet steam of the second passage of the first heat exchanger 8 passes through the second passage of the second heat exchanger 15 and then enters the thermal power generating unit 1 for recycling, wherein the wind power generating unit 2 converts wind energy into electric energy and supplies power to the molten salt energy storage device 3 and the second electric heater 14, the second electric heater 14 converts the electric energy into heat energy to be stored in the outlet liquid of the heat utilization equipment, and meanwhile, when the outlet steam of the second passage of the first heat exchanger 8 passes through the second passage of the second heat exchanger 15 and the outlet liquid of the heat utilization equipment passes through the first passage of the second heat exchanger 15, the outlet steam of the second passage of the first heat exchanger 8 transfers heat to the outlet liquid of the heat utilization equipment. Therefore, the heat and power cogeneration unit integrally realizes heat supply under the cooperation of multiple heating modes;
when the power demand is larger or smaller, the heat stored in the fused salt can be used for supplying heat, so that the cogeneration unit can supply power at full load or the power load is deeply reduced, and the peak regulation capacity of the cogeneration unit is effectively improved;
through the power supply of the wind turbine generator system 2, the energy consumption of the thermal power generating unit 1 is reduced, the heat supply cost of the cogeneration unit is reduced, clean energy is fully utilized, the carbon emission is reduced while the utilization efficiency of the clean energy is improved, and the purposes of carbon peak reaching and carbon neutralization are favorably realized.
It should be noted that the second electric heater 14 is used as a main heat source for discharging the liquid from the heat-using equipment, and the steam discharged from the second passage of the first heat exchanger 8 is used as a standby heat source for discharging the liquid from the heat-using equipment, that is: when the wind energy is small, the output electric energy of the wind turbine generator 2 is small, even the output electric energy is not output, the output liquid of the heat utilization equipment is used for supplying heat through the steam outlet of the second passage of the first heat exchanger 8, and when the output electric energy of the wind turbine generator 2 is large, the output liquid of the heat utilization equipment is used for supplying heat through the second electric heater 14. Thereby, a stable and continuous heat supply of the cogeneration unit is achieved.
The first heat exchanger 8 and the second heat exchanger 15 both comprise a first passage and a second passage, and direct heat exchange or indirect heat exchange through a heat-conducting medium is performed between the first passage and the second passage.
As shown in fig. 2, in some embodiments, the cogeneration unit further comprises a second solar collector 17, the second solar collector 17 is disposed between the inlet end of the second electric heater 14 and the outlet end of the heat consuming equipment, the inlet end of the second solar collector 17 is connected to the outlet end of the heat consuming equipment, and the outlet end of the second solar collector 17 is connected to the inlet end of the second electric heater 14.
It can be understood that the effluent of the heat utilization equipment sequentially passes through the second solar heat collector 17, the second electric heater 14 and the first path of the second heat exchanger 15 and then returns to the heat utilization equipment again, the second solar heat collector 17 converts the light energy into the heat energy to be stored in the effluent of the heat utilization equipment, and the energy consumption of the thermal power generating unit 1 and the carbon emission of the thermal power generating unit are reduced while the stable and continuous heat supply of the thermal power generating unit is ensured.
As shown in fig. 2, in some embodiments, the cogeneration unit further comprises a fourth pump 18, the fourth pump 18 is disposed between the inlet end of the second solar collector 17 and the outlet end of the heat consuming equipment, the inlet end of the fourth pump 18 is connected to the outlet end of the heat consuming equipment, and the outlet end of the fourth pump 18 is connected to the inlet end of the second solar collector 17.
It can be understood that the fourth pump body 18 conveys the discharged liquid of the heat utilization equipment to the liquid inlet end of the heat utilization equipment after being pressurized, and the stable heat supply of the cogeneration unit is ensured.
As shown in fig. 2, in some embodiments, the cogeneration unit further comprises a regulating valve 19, the regulating valve 19 is disposed between the connection between the steam inlet end of the second path of the second heat exchanger 15 and the steam outlet end of the second path of the first heat exchanger 8, the liquid inlet end of the regulating valve 19 is connected to the steam outlet end of the second path of the first heat exchanger 8, and the liquid outlet end of the regulating valve 19 is connected to the steam inlet end of the second path of the second heat exchanger 15.
It can be understood that, by setting the regulating valve 19, the flow rate of the steam discharged from the second path of the first heat exchanger 8 to the second path of the second heat exchanger 15 can be regulated, thereby facilitating to control the distribution ratio of the steam discharged from the second path of the first heat exchanger 8 between the steam supply pipeline 4 and the second path of the second heat exchanger 15, and enabling the cogeneration unit to have higher flexibility while meeting the requirements of heat supply and steam supply.
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 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.
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. A combined heat and power generating unit utilizing wind, light, fire and energy storage multi-energy complementary assistance is characterized by comprising: the system comprises a thermal power generating unit, a wind power generating unit, a molten salt energy storage device, a steam supply pipeline and a first solar heat collector;
the power utilization end of the molten salt energy storage device is electrically connected with the power supply end of the thermal power generating unit and the power supply end of the wind power generating unit respectively, and the liquid inlet end of the molten salt energy storage device is connected with the liquid outlet end of the thermal power generating unit;
the steam inlet end of the steam supply pipeline is respectively connected with the liquid outlet end of the thermal power generating unit and the steam outlet end of the molten salt energy storage device;
the first solar heat collector is arranged on a heat storage passage of the molten salt energy storage device.
2. The wind, light, fire and energy storage multi-energy complementary assisted cogeneration unit according to claim 1, wherein the molten salt energy storage device comprises:
the power utilization end of the first electric heater is electrically connected with the power supply end of the thermal power generating unit and the power supply end of the wind power generating unit respectively, and the liquid inlet end of the first electric heater is connected with the liquid outlet end of the first solar heat collector;
the liquid inlet end of the high-temperature tank is connected with the liquid outlet end of the first electric heater;
the liquid inlet end of a first passage of the first heat exchanger is connected with the liquid outlet end of the high-temperature tank, the liquid inlet end of a second passage of the first heat exchanger is connected with the liquid outlet end of the thermal power generating unit, and the vapor outlet end of the second passage of the first heat exchanger is connected with the vapor inlet end of the vapor supply pipeline;
the liquid inlet end of the low-temperature tank is connected with the liquid outlet end of the first passage of the first heat exchanger, and the liquid outlet end of the low-temperature tank is connected with the liquid inlet end of the first solar heat collector.
3. The wind, light, fire and energy storage multi-energy complementary assisted cogeneration unit according to claim 2, wherein the molten salt energy storage device further 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 first solar heat collector, 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 first solar heat collector.
4. The wind, light, fire and energy storage multi-energy complementary assisted cogeneration unit according to claim 2, wherein the molten salt energy storage device further comprises:
the second pump body, the second pump body sets up the first passageway feed liquor end of first heat exchanger with the play liquid end of high temperature tank links to each other between, the feed liquor end of the second pump body with the play liquid end of high temperature tank links to each other, the play liquid end of the second pump body with the first passageway feed liquor end of first heat exchanger links to each other.
5. The cogeneration unit assisted by wind, light, fire and energy storage complementation according to claim 2, characterized in that the cogeneration unit further comprises:
the temperature reduction valve is arranged between the steam inlet end of the steam supply pipeline and the liquid outlet end of the thermal power generating unit, the liquid inlet end of the temperature reduction valve is connected with the liquid outlet end of the thermal power generating unit, and the liquid outlet end of the temperature reduction valve is connected with the steam inlet end of the steam supply pipeline.
6. The cogeneration unit assisted by wind, light, fire and energy storage complementation according to claim 5, characterized in that the cogeneration unit further comprises:
the third pump body, the third pump body sets up thermal power generating unit's play liquid end respectively with the inlet end of desuperheating valve reaches between the second passageway inlet end of first heat exchanger links to each other, the inlet end of the third pump body with the play liquid end of thermal power generating unit links to each other, the play liquid end of the third pump body respectively with the inlet end of desuperheating valve reaches the second passageway inlet end of first heat exchanger links to each other.
7. The cogeneration unit assisted by wind, light, fire and energy storage multi-energy complementation according to claim 2, characterized in that the cogeneration unit further comprises:
the power utilization end of the second electric heater is electrically connected with the power supply end of the wind turbine generator, and the liquid inlet end of the second electric heater is connected with the liquid outlet end of the heat utilization equipment;
the liquid inlet end of a first passage of the second heat exchanger is connected with the liquid outlet end of the second electric heater, the vapor inlet end of a second passage of the second heat exchanger is connected with the vapor outlet end of a second passage of the first heat exchanger, and the liquid outlet end of the second passage of the second heat exchanger is connected with the liquid inlet end of the thermal power generating unit;
and the liquid outlet end of the heat supply pipeline is connected with the liquid inlet end of the heat utilization equipment.
8. The cogeneration unit assisted by wind, light, fire and energy storage complementation according to claim 7, characterized in that the cogeneration unit further comprises:
the second solar heat collector is arranged between the liquid inlet end of the second electric heater and the liquid outlet end of the heat utilization equipment, the liquid inlet end of the second solar heat collector is connected with the liquid outlet end of the heat utilization equipment, and the liquid outlet end of the second solar heat collector is connected with the liquid inlet end of the second electric heater.
9. The cogeneration unit assisted by wind, light, fire and energy storage complementation according to claim 8, characterized in that the cogeneration unit further comprises:
the fourth pump body, the fourth pump body sets up the feed liquor end of second solar collector with between the play liquid end of heat equipment links to each other, the feed liquor end of the fourth pump body with the play liquid end of heat equipment links to each other, the play liquid end of the fourth pump body with the feed liquor end of second solar collector links to each other.
10. The cogeneration unit assisted by wind, light, fire and energy storage complementation according to claim 7, characterized in that the cogeneration unit further comprises:
the regulating valve is arranged between the steam inlet end of the second passage of the second heat exchanger and the steam outlet end of the second passage of the first heat exchanger, the liquid inlet end of the regulating valve is connected with the steam outlet end of the second passage of the first heat exchanger, and the liquid outlet end of the regulating valve is connected with the steam inlet end of the second passage of the second heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221279542.3U CN217354596U (en) | 2022-05-25 | 2022-05-25 | Utilize supplementary combined heat and power unit of scene fire energy storage multipotency complementation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221279542.3U CN217354596U (en) | 2022-05-25 | 2022-05-25 | Utilize supplementary combined heat and power unit of scene fire energy storage multipotency complementation |
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| CN202221279542.3U Active CN217354596U (en) | 2022-05-25 | 2022-05-25 | Utilize supplementary combined heat and power unit of scene fire energy storage multipotency complementation |
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2022
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