CN204225937U - Secondary electricity generation device after photovoltaic generation and accumulation of heat - Google Patents
Secondary electricity generation device after photovoltaic generation and accumulation of heat Download PDFInfo
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- CN204225937U CN204225937U CN201420578821.9U CN201420578821U CN204225937U CN 204225937 U CN204225937 U CN 204225937U CN 201420578821 U CN201420578821 U CN 201420578821U CN 204225937 U CN204225937 U CN 204225937U
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Abstract
The utility model relates to secondary electricity generation device after photovoltaic generation and accumulation of heat, comprises photovoltaic generation unit, heat-stored device, steam generator unit and steam turbine generator unit; Photovoltaic generation unit, for converting solar energy into electrical energy, is transported to heat-stored device by feedway; Heat-stored device, for by electric energy through its electrothermal wire heating, be heat energy by electric energy conversion, and by thermal energy storage in its solid heat storage material; Steam generator unit, for the heat energy that stored by heat-stored device with the form of hot blast, sends into wherein, and water is heated, become steam, drives the generating of steam turbine generator unit; Steam turbine generator unit, uses for user for generating.Secondary electricity generation device after photovoltaic generation of the present utility model and accumulation of heat, when ensureing household electricity normal supply, can make full use of device of solar generating, electric energy conversion is become heat energy, and by thermal energy storage in heat-stored device, supply user uses.
Description
Technical field
The utility model relates to the technical field of electricity generating device, and specifically, the utility model relates to secondary electricity generation device after photovoltaic generation and accumulation of heat.
Background technique
At present, existing solar photovoltaic generation system one namely sends out i.e. use, so in the period not having sunlight, do not have electricity available; Two is by battery stores, but storage battery cost is high, capacity is few.
Therefore, be necessary to propose effective technological scheme, solve the problem.
Model utility content
The purpose of this utility model is intended at least solve one of above-mentioned technological deficiency, in particular, provide secondary electricity generation device after a kind of photovoltaic generation and accumulation of heat, can when ensureing household electricity normal supply, make full use of device of solar generating, electric energy conversion is become heat energy, and by thermal energy storage in heat-stored device, supply user uses.
In order to achieve the above object, embodiment of the present utility model proposes secondary electricity generation device after photovoltaic generation and accumulation of heat, comprises photovoltaic generation unit, heat-stored device, steam generator unit and steam turbine generator unit;
Described photovoltaic generation unit, for converting solar energy into electrical energy, is transported to described heat-stored device by feedway;
Described heat-stored device, for by electric energy through its electrothermal wire heating, be heat energy by electric energy conversion, and by thermal energy storage in its solid heat storage material;
Described steam generator unit, for the heat energy that stored by described heat-stored device with the form of hot blast, sends into wherein, and water is heated, become steam, drive described steam turbine generator unit to generate electricity;
Described steam turbine generator unit, uses for user for generating.
Preferably, described heat-stored device comprises electric heating unit, solid heat storage pond, thermal insulating warm-keeping layer and high-temp. resistant air circular centrifugal blower fan group;
Described electric heating unit, is made up of the electric heating group of parallel connection, for converting electrical energy into high temperature heat, carries out heat exchange with described solid heat storage pond;
Described solid heat storage pond, is made up of magnesia brick, for absorbing and storing the heat energy of described electric heating unit;
Described thermal insulating warm-keeping layer, it is the structure of sealing, for carrying out thermal insulation with the external world;
Described high-temp. resistant air circular centrifugal blower fan group, for providing kinetic energy for the high temperature recuperated cycle air of secondary electricity generation device after described photovoltaic generator accumulation of heat in it.
Preferably, the shape of electric heating group in parallel in described electric heating unit is banded or circle strip.
Preferably, described heat-stored device also comprises accumulation of heat switch, for controlling unlatching or the closedown of accumulation of heat.
Preferably, described heat-stored device also comprises Wind speed switch, the speed of the heat energy blowout stored by described solid heat storage pond magnesia brick for regulating described blower fan.
Preferably, described heat-stored device is solid heat storage device.
Preferably, described solid heat storage device comprises electric thermo-couple temperature feedback element, for controlling the described cut-out of solid heat storage device or the process of accumulation of heat.
Preferably, described electric thermo-couple temperature feedback element is subject to the control of master cpu, in order to control the described cut-out of solid heat storage device or the process of accumulation of heat.
Preferably, described solid heat storage device comprises high-grade heat release switch and low-grade heat release switch, for controlling the heat release process of described solid heat storage device.
Preferably, after described photovoltaic generation and accumulation of heat, secondary electricity generation device is secondary electricity generation device after solar energy power generating and accumulation of heat.
Secondary electricity generation device after the photovoltaic generation that the utility model proposes and accumulation of heat, in this device, photovoltaic generation unit utilizes sunlight to be converted into electric energy, directly by cable transfer to heat-stored device, electrothermal wire heating in heat-stored device, become thermal energy storage in the solid heat storage material of heat-stored device, when needs electricity consumption, blower fan can be opened, the heat energy stored with the form of hot blast, send in steam generator, water is heated, becomes steam, drive the generating of steam turbine generator unit, supply user uses.
The aspect that the utility model is additional and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of secondary electricity generation device after the photovoltaic generation that provides of the utility model and accumulation of heat;
Fig. 2 is the working principle schematic diagram of secondary electricity generation device after the photovoltaic generation that provides of the utility model and accumulation of heat.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
As shown in Figure 1, secondary electricity generation device after the photovoltaic generation that the utility model embodiment provides and accumulation of heat, comprises photovoltaic generation unit, heat-stored device, steam generator unit and steam turbine generator unit;
Photovoltaic generation unit, for converting solar energy into electrical energy, is transported to heat-stored device by feedway;
Heat-stored device, for by electric energy through its electrothermal wire heating, be heat energy by electric energy conversion, and by thermal energy storage in its solid heat storage material;
Steam generator unit, for the heat energy that stored by heat-stored device with the form of hot blast, sends into wherein, and water is heated, become steam, drives the generating of steam turbine generator unit;
Steam turbine generator unit, uses for user for generating.
Secondary electricity generation device after the photovoltaic generation that the utility model proposes and accumulation of heat, in this device, photovoltaic generation unit utilizes sunlight to be converted into electric energy, directly by cable transfer to heat-stored device, electrothermal wire heating in heat-stored device, become thermal energy storage in the solid heat storage material of heat-stored device, when needs electricity consumption, blower fan can be opened, the heat energy stored with the form of hot blast, send in steam generator, water is heated, becomes steam, drive the generating of steam turbine generator unit, supply user uses.As embodiment of the present utility model, heat-stored device comprises electric heating unit, solid heat storage pond, thermal insulating warm-keeping layer and high-temp. resistant air circular centrifugal blower fan group;
Electric heating unit, is made up of the electric heating group of parallel connection, for converting electrical energy into high temperature heat, carries out heat exchange with solid heat storage pond; Many groups electric heating unit is the electric heating group that the band shape that made by a kind of specific alloy or circle strip compose in parallel, and utilizes resistance principle, converts electrical energy into high temperature heat, carry out heat exchange with solid heat storage pond;
Solid heat storage pond, is made up of magnesia brick, for absorbing and the heat energy of store electricity heating unit;
Thermal insulating warm-keeping layer, it is the structure of sealing, for carrying out thermal insulation with the external world; When the accumulation of heat of an operation cycle of accumulation of heat pond completes, its temperature can, up to 800 DEG C, need Packed heat insulation layer to carry out the thermal insulation with the external world.When needs heat energy exports, the circulation canal that the high temperature air as heat transferring medium runs, also needs and extraneous thermal insulation.So multiple positions of equipment are all provided with the good thermal insulating warm-keeping layer of heat insulation effect.
High-temp. resistant air circular centrifugal blower fan group, for providing kinetic energy for the high temperature recuperated cycle air of secondary electricity generation device after photovoltaic generator accumulation of heat in it.Circulating air is sent in high-temperature heat accumulation pond by high-temp. resistant air circular centrifugal blower fan group, and air is sent in heat exchanger package after heating up in pond and carried out heat exchange by air again, and the Cryogenic air after exchange sends into accumulation of heat pond through blower fan again, goes round and begins again.The validity that heat energy exports relies on high-temp. resistant air circular centrifugal blower fan group to control.
As embodiment of the present utility model, the shape of electric heating group in parallel in electric heating unit is banded or circle strip.
As embodiment of the present utility model, heat-stored device also comprises accumulation of heat switch, for controlling unlatching or the closedown of accumulation of heat.
As embodiment of the present utility model, heat-stored device also comprises Wind speed switch, the speed of the heat energy blowout stored by solid heat storage pond magnesia brick for regulating blower fan.
As embodiment of the present utility model, heat-stored device is solid heat storage device.
As embodiment of the present utility model, solid heat storage device comprises electric thermo-couple temperature feedback element, for the process of the cut-out or accumulation of heat that control solid heat storage device.
As embodiment of the present utility model, electric thermo-couple temperature feedback element by the control of master cpu, in order to the process of the cut-out or accumulation of heat that control solid heat storage device.
As embodiment of the present utility model, solid heat storage device comprises high-grade heat release switch and low-grade heat release switch, for controlling the heat release process of solid heat storage device.
As embodiment of the present utility model, after photovoltaic generation and accumulation of heat, secondary electricity generation device is secondary electricity generation device after solar energy power generating and accumulation of heat.
As shown in Figure 2, show the specific works process of secondary electricity generation device after the photovoltaic generation and accumulation of heat that the utility model provides, in this device, photovoltaic generation unit utilizes sunlight to be converted into electric energy, directly by cable transfer to heat-stored device, electrothermal wire heating in heat-stored device, become thermal energy storage in the solid heat storage material of heat-stored device, when needs electricity consumption, can blower fan be opened, the heat energy stored with the form of hot blast, send in steam generator, water is heated, become steam, drive the generating of steam turbine generator unit, supply user uses.
It should be noted that, after solar energy power generating, remove instant beyond, remaining can store with the form of heat energy with high-temperature heat storage equipment, and during electricity consumption, the hot blast that thermal storage equipment exports enters steam generator heat exchange, water vapor is produced steam, drives turbogenerator generating.The regenerator temperature of thermal storage equipment can up to 800 DEG C, and capacity can be very large, can meet the need for electricity of user.
Although be described the utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristics mentioned in each embodiment all can combine in any way.The utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technological schemes fallen in the scope of claim.
Claims (10)
1. secondary electricity generation device after photovoltaic generation and accumulation of heat, is characterized in that, comprise photovoltaic generation unit, heat-stored device, steam generator unit and steam turbine generator unit;
Described photovoltaic generation unit, for converting solar energy into electrical energy, is transported to described heat-stored device by feedway;
Described heat-stored device, for by electric energy through its electrothermal wire heating, be heat energy by electric energy conversion, and by thermal energy storage in its solid heat storage material;
Described steam generator unit, for the heat energy that stored by described heat-stored device with the form of hot blast, sends into wherein, and water is heated, become steam, drive described steam turbine generator unit to generate electricity;
Described steam turbine generator unit, uses for user for generating.
2. secondary electricity generation device after photovoltaic generation according to claim 1 and accumulation of heat, it is characterized in that, described heat-stored device comprises electric heating unit, solid heat storage pond, thermal insulating warm-keeping layer and high-temp. resistant air circular centrifugal blower fan group;
Described electric heating unit, is made up of the electric heating group of parallel connection, for converting electrical energy into high temperature heat, carries out heat exchange with described solid heat storage pond;
Described solid heat storage pond, is made up of magnesia brick, for absorbing and storing the heat energy of described electric heating unit;
Described thermal insulating warm-keeping layer, it is the structure of sealing, for carrying out thermal insulation with the external world;
Described high-temp. resistant air circular centrifugal blower fan group, for providing kinetic energy for the high temperature recuperated cycle air of secondary electricity generation device after described photovoltaic generator accumulation of heat in it.
3. secondary electricity generation device after photovoltaic generation according to claim 2 and accumulation of heat, is characterized in that, the shape of electric heating group in parallel in described electric heating unit be banded or justifies strip.
4. secondary electricity generation device after photovoltaic generation according to claim 1 and accumulation of heat, it is characterized in that, described heat-stored device also comprises accumulation of heat switch, for controlling unlatching or the closedown of accumulation of heat.
5. secondary electricity generation device accumulation of heat heating device after photovoltaic generation according to claim 1 and accumulation of heat, it is characterized in that, described heat-stored device also comprises Wind speed switch, the speed of the heat energy blowout stored by described solid heat storage pond magnesia brick for regulating blower fan.
6. secondary electricity generation device after photovoltaic generation according to claim 2 and accumulation of heat, it is characterized in that, described heat-stored device is solid heat storage device.
7. secondary electricity generation device after photovoltaic generation according to claim 6 and accumulation of heat, it is characterized in that, described solid heat storage device comprises electric thermo-couple temperature feedback element, for controlling the described cut-out of solid heat storage device or the process of accumulation of heat.
8. secondary electricity generation device after photovoltaic generation according to claim 7 and accumulation of heat, is characterized in that, described electric thermo-couple temperature feedback element by the control of master cpu, in order to control the described cut-out of solid heat storage device or the process of accumulation of heat.
9. secondary electricity generation device after photovoltaic generation according to claim 6 and accumulation of heat, it is characterized in that, described solid heat storage device comprises high-grade heat release switch and low-grade heat release switch, for controlling the heat release process of described solid heat storage device.
10. secondary electricity generation device after photovoltaic generation according to claim 1 and accumulation of heat, is characterized in that, after described photovoltaic generation and accumulation of heat, secondary electricity generation device is secondary electricity generation device after solar energy power generating and accumulation of heat.
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| CN201420578821.9U CN204225937U (en) | 2014-10-09 | 2014-10-09 | Secondary electricity generation device after photovoltaic generation and accumulation of heat |
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| CN201420578821.9U CN204225937U (en) | 2014-10-09 | 2014-10-09 | Secondary electricity generation device after photovoltaic generation and accumulation of heat |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782164A (en) * | 2017-11-21 | 2018-03-09 | 无锡市洗选设备厂 | A kind of metallurgic furnace waste heat recovery plant |
| US10256636B2 (en) | 2015-04-16 | 2019-04-09 | Big Sun Energy Technology Inc. | Spraying heat preservation vapor supplying device and generator apparatus using such device |
| CN113154924A (en) * | 2021-05-26 | 2021-07-23 | 兰州正德电子科技有限责任公司 | System for utilize hot-air heating granule to carry out energy storage |
| CN113776038A (en) * | 2021-10-15 | 2021-12-10 | 鸿蒙能源(山东)有限公司 | Ultralow-consumption electromagnetic induction evaporation industrial steam system |
-
2014
- 2014-10-09 CN CN201420578821.9U patent/CN204225937U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10256636B2 (en) | 2015-04-16 | 2019-04-09 | Big Sun Energy Technology Inc. | Spraying heat preservation vapor supplying device and generator apparatus using such device |
| CN107782164A (en) * | 2017-11-21 | 2018-03-09 | 无锡市洗选设备厂 | A kind of metallurgic furnace waste heat recovery plant |
| CN113154924A (en) * | 2021-05-26 | 2021-07-23 | 兰州正德电子科技有限责任公司 | System for utilize hot-air heating granule to carry out energy storage |
| CN113776038A (en) * | 2021-10-15 | 2021-12-10 | 鸿蒙能源(山东)有限公司 | Ultralow-consumption electromagnetic induction evaporation industrial steam system |
| CN113776038B (en) * | 2021-10-15 | 2023-09-22 | 鸿蒙能源(山东)有限公司 | Ultra-low power consumption electromagnetic induction evaporation industrial steam system |
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