CN105703664A - Thermoelectric power generation energy storage and power transmission system applied to boiler furnace - Google Patents
Thermoelectric power generation energy storage and power transmission system applied to boiler furnace Download PDFInfo
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- CN105703664A CN105703664A CN201610212738.3A CN201610212738A CN105703664A CN 105703664 A CN105703664 A CN 105703664A CN 201610212738 A CN201610212738 A CN 201610212738A CN 105703664 A CN105703664 A CN 105703664A
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- energy storage
- boiler furnace
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- generation unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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Abstract
The invention relates to a thermoelectric power generation energy storage and power transmission system applied to a boiler furnace. The thermoelectric power generation energy storage and power transmission system comprises a thermoelectric power generation device, an energy storage device and a power transmission device, wherein the thermoelectric power generation device comprises a plurality of thermoelectric power generation units, the plurality of thermoelectric power generation units are connected with the energy storage device and the power transmission device separately through wires and are arranged in the boiler furnace, hot ends of the thermoelectric power generation units are in contact with a heat current gas of the boiler furnace, cold ends of the thermoelectric power generation units are in contact with a water cooled wall of the boiler furnace, and the energy storage device and the power transmission device are arranged outside the boiler furnace. Compared with the prior art, the thermoelectric power generation energy storage and power transmission system has the advantages that power generation efficiency, heat absorption rate and heat transfer rate are improved, high-voltage DC and AC are increased, and the system is fully utilized.
Description
Technical field
The present invention relates to augmentation of heat transfer and energy-conserving and emission-cutting technology field, especially relate to a kind of thermo-electric generation energy storage being applied to boiler furnace and transmission system。
Background technology
Thermo-electric generation is to utilize Seebeck effect that the thermal energy that high temperature produces with the temperature difference of low temperature becomes electric energy, but the electric energy directly produced is DC voltage, if carried out energy storage, it is necessary to could store after voltage-stabilizing protector adjusts；If carried out transmission of electricity, it is necessary to could power after adjusting through inverter, voltage-stabilizing protector successively。
As it is shown in figure 5, figure is the structural representation that existing power plant generates electricity based on Rankine cycle principle。Traditional Fossil fuel usual efficiency in power generation process is very low, and in power plant's Rankine cycle, substantial amounts of energy loss is present in boiler part, is owing to the temperature difference between combustion flame temperature and high steam temperature causes。Because ignition temperature is up to about 1700 DEG C in modern coal-fired power station boiler Boiler Furnace, and High Temperature High Pressure heating surface temperature is typically in less than 600 DEG C, zones of different cigarette temperature in stove and the temperature difference height of working medium in heating surface are more than hundreds of degree Celsius, according to the second law of thermodynamics, the irreversible loss that heat transfer temperature difference more causes greatly is more bigDamaging more big, the economy of unit can be deteriorated。If heat transfer temperature difference can be used, just can efficiently reduce the energy loss in diabatic process, improve the efficiency of the thermal power plants based on Rankine cycle。
The how concrete energy as much as possible effectively obtaining above-mentioned loss, temperature difference electricity generation device hot junction can be exposed in hot-fluid gas, cold end is connected on the surface of boiler water tube wall, namely respectively as the boundary condition of hot side and cold side, utilize temperature difference to produce extra electric energy by thermo-electric conversion, reach the purpose of energy-saving and emission-reduction。
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide and a kind of improve generating efficiency, improve heat absorption rate, improve heat transfer efficiency, high voltage direct alternating current, the thermo-electric generation energy storage being applied to boiler furnace made full use of and transmission system are provided。
The purpose of the present invention can be achieved through the following technical solutions:
A kind of thermo-electric generation energy storage being applied to boiler furnace and transmission system, including temperature difference electricity generation device, energy storage device and power transmitting device, described temperature difference electricity generation device includes multiple thermo-electric generation unit, described multiple thermo-electric generation unit are connected with energy storage device and power transmitting device respectively by wire, described temperature difference electricity generation device is arranged in boiler furnace, and the hot-fluid smoke contacts of the hot junction of thermo-electric generation unit and boiler furnace, cold end contacts with boiler furnace water-cooling wall, and described energy storage device and power transmitting device are arranged on outside boiler furnace；
When native system generates electricity, the energy that high-temperature flue gas in boiler furnace is produced by thermo-electric generation unit is as hot junction, using boiler furnace water-cooling wall as cold end, utilizes temperature difference to produce electric energy, and is flowed to energy storage device and power transmitting device by wire。
Heat sink that described thermo-electric generation unit includes clamping successively, electrothermal module, absorber plate, described heat sink contacts with the boiler furnace water screen tube in boiler furnace water-cooling wall, and described absorber plate extend in boiler furnace。
Described thermo-electric generation unit also includes the fin or the heat pipe that are connected with absorber plate。
Described energy storage device includes passing sequentially through energy storage pressure stabilizing protector, energy storage ammeter and the accumulator that wire connects, and described energy storage pressure stabilizing protector is connected with thermo-electric generation unit。
Described power transmitting device includes inverter, transmission of electricity voltage-stabilizing protector and transmission of electricity ammeter, and described thermo-electric generation unit, inverter, transmission of electricity voltage-stabilizing protector, transmission of electricity ammeter and electrical appliance pass sequentially through wire and connect。
Described multiple thermo-electric generation unit mode in parallel is connected with energy storage device and power transmitting device after connecting respectively again。
Compared with prior art, the invention have the advantages that
One, improve generating efficiency: radiation loss is excessive is the main cause of semiconductor temperature differential generating inefficiency, also it is the biggest obstacle hindering this Technique Popularizing, but for boiler, thermal insulation it is incubated reliably owing to it has, if compound temperature-difference power generation module on boiler heating surface, so the heat of result temperature-difference power generation module is except being converted into electric energy, after-heat passes to cold flow body, whole process does not have energy dissipation, the present invention adopts and installs temperature difference electricity generation device at boiler furnace, utilize temperature difference higher between combustion flame temperature and the temperature of high steam, extra electric energy is produced by adopting rational thermoelectric material to carry out thermo-electric conversion, reduce substantial amounts of energy loss in Rankine cycle, improve the generating efficiency of power plant, the electricity generation system that the present invention adopts can improve unit generation power about 3%。
Two, heat absorption rate is improved: the present invention adds absorber plate by the hot junction at electrothermal module, heat sink is added at cold end, absorber plate adds many group fins or heat pipe, add the contact area with high-temperature flue gas, heat absorption rate can be effectively improved, make due to the addition of temperature difference electricity generation device increase heat transfer resistance when, the minimal Rankine cycle affecting boiler self, thus Optimization of Energy Saving。
Three, heat transfer efficiency is improved: the present invention adds absorber plate by the hot junction at electrothermal module, heat sink is added at cold end, absorbed heat faster in hot junction, cold end dispels the heat faster, improve heat transfer efficiency, thus increasing the temperature difference of cold and hot end so that thermo-electric generation unit is actual produces bigger generated output。
Four, high voltage direct alternating current is provided: the electric energy that single thermo-electric generation unit directly produces is low-voltage direct, if some thermo-electric generation unit conductor in parallel are got up, not only can solve owing to single thermo-electric generation unit damages the impact on whole device, it is also possible to HVDC is provided；If carried out energy storage, store after voltage-stabilizing protector adjusts；If carried out transmission of electricity, power supply after inverter, voltage-stabilizing protector adjust successively。
Five, make full use of: the electric energy of generation is fully utilized by the present invention by arranging energy storage and transmission system, it is achieved the purpose of energy-saving and emission-reduction, creates higher economic worth。
Accompanying drawing explanation
Fig. 1 is the structural front view of temperature difference electricity generation device。
Fig. 2 is the structure top view of temperature difference electricity generation device。
Fig. 3 is the structure left view of temperature difference electricity generation device。
Fig. 4 is the system structure schematic diagram of the present invention。
Fig. 5 is the structural representation that existing power plant generates electricity based on Rankine cycle principle。
Wherein, 1, thermo-electric generation unit, 2, boiler furnace water-cooling wall; 3, wire, 4, boiler furnace water screen tube, 5, heat sink; 6, electrothermal module, 7, absorber plate, 8, fin or heat pipe; 9, temperature difference electricity generation device, 10, energy storage pressure stabilizing protector, 11, energy storage ammeter; 12, accumulator, 13, inverter, 14, transmission of electricity voltage-stabilizing protector; 15, transmission of electricity ammeter, 16, electrical appliance。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail。
Embodiment:
As Figure 1-4, a kind of thermo-electric generation energy storage being applied to boiler furnace and transmission system, this system is arranged in boiler furnace, including temperature difference electricity generation device 9, energy storage device and power transmitting device, temperature difference electricity generation device 9 includes multiple thermo-electric generation unit 1, multiple thermo-electric generation unit 1 are connected with energy storage device and power transmitting device respectively by wire 3, and the hot junction of thermo-electric generation unit 1 contacts with the high-temperature flue gas of boiler furnace, and cold end contacts with boiler furnace water-cooling wall 2；
When native system generates electricity, the energy that high-temperature flue gas in boiler furnace is produced by thermo-electric generation unit 1 is as hot junction, using boiler furnace water-cooling wall 2 as cold end, utilizes temperature difference to produce electric energy, and is flowed to energy storage device and power transmitting device by wire。
Heat sink 5 that thermo-electric generation unit 1 includes clamping successively, electrothermal module 6, absorber plate 7, heat sink 5 contacts with the boiler furnace water screen tube 4 in boiler furnace water-cooling wall 2, and absorber plate 7 extend in boiler furnace。
Thermo-electric generation unit 1 also includes the fin or the heat pipe 8 that are connected with absorber plate 7。
Energy storage device includes passing sequentially through energy storage pressure stabilizing protector 10, energy storage ammeter 11 and the accumulator 12 that wire connects, and energy storage pressure stabilizing protector 10 is connected with thermo-electric generation unit 1。
When native system carries out energy storage, what temperature difference electricity generation device 9 produced is high voltage direct current, is adjusted to suitable voltage through energy storage pressure stabilizing protector 10 successively, energy storage ammeter 11 display record electricity, is finally stored in accumulator 12。
Power transmitting device includes inverter 13, transmission of electricity voltage-stabilizing protector 14 and transmission of electricity ammeter 15, and thermo-electric generation unit 1, inverter 13, transmission of electricity voltage-stabilizing protector 14, transmission of electricity ammeter 15 and electrical appliance 16 pass sequentially through wire and connect。
When native system is transmitted electricity, what temperature difference electricity generation device 9 produced is high voltage direct current, is transformed into alternating current through inverter 13 successively, transmission of electricity voltage-stabilizing protector 14 adjusts and is combined into suitable voltage, and transmission of electricity ammeter 15 display record electricity, the most backward electrical appliance 16 is powered。
Claims (6)
1. the thermo-electric generation energy storage being applied to boiler furnace and transmission system, it is characterized in that, including temperature difference electricity generation device (9), energy storage device and power transmitting device, described temperature difference electricity generation device (9) includes multiple thermo-electric generation unit (1), described multiple thermo-electric generation unit (1) are connected with energy storage device and power transmitting device respectively by wire (3), described temperature difference electricity generation device (9) is arranged in boiler furnace, and the hot-fluid smoke contacts of the hot junction of thermo-electric generation unit (1) and boiler furnace, cold end contacts with boiler furnace water-cooling wall (2), described energy storage device and power transmitting device are arranged on outside boiler furnace；
When native system generates electricity, the energy that high-temperature flue gas in boiler furnace is produced by thermo-electric generation unit (1) is as hot junction, using boiler furnace water-cooling wall (2) as cold end, utilize temperature difference to produce electric energy, and flowed to energy storage device and power transmitting device by wire。
2. a kind of thermo-electric generation energy storage being applied to boiler furnace according to claim 1 and transmission system, it is characterized in that, heat sink (5) that described thermo-electric generation unit (1) includes clamping successively, electrothermal module (6), absorber plate (7), described heat sink (5) contacts with the boiler furnace water screen tube (4) in boiler furnace water-cooling wall (2), and described absorber plate (7) extend in boiler furnace。
3. a kind of thermo-electric generation energy storage being applied to boiler furnace according to claim 2 and transmission system, it is characterised in that described thermo-electric generation unit (1) also includes the fin or the heat pipe (8) that are connected with absorber plate (7)。
4. a kind of thermo-electric generation energy storage being applied to boiler furnace according to claim 1 and transmission system; it is characterized in that; described energy storage device includes passing sequentially through energy storage pressure stabilizing protector (10), energy storage ammeter (11) and the accumulator (12) that wire connects, and described energy storage pressure stabilizing protector (10) is connected with thermo-electric generation unit (1)。
5. a kind of thermo-electric generation energy storage being applied to boiler furnace according to claim 1 and transmission system; it is characterized in that; described power transmitting device includes inverter (13), transmission of electricity voltage-stabilizing protector (14) and transmission of electricity ammeter (15), and described thermo-electric generation unit (1), inverter (13), voltage-stabilizing protector (14) of transmitting electricity, transmission of electricity ammeter (15) and electrical appliance (16) pass sequentially through wire and connect。
6. a kind of thermo-electric generation energy storage being applied to boiler furnace according to claim 1 and transmission system, it is characterised in that described multiple thermo-electric generation unit (1) mode in parallel is connected with energy storage device and power transmitting device after connecting respectively again。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212738.3A CN105703664A (en) | 2016-04-07 | 2016-04-07 | Thermoelectric power generation energy storage and power transmission system applied to boiler furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610212738.3A CN105703664A (en) | 2016-04-07 | 2016-04-07 | Thermoelectric power generation energy storage and power transmission system applied to boiler furnace |
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| CN105703664A true CN105703664A (en) | 2016-06-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882898A (en) * | 2010-05-28 | 2010-11-10 | 王峰 | Low temperature smoke temperature difference generator |
| CN202852888U (en) * | 2012-08-01 | 2013-04-03 | 田海金 | Multi-purpose heating furnace capable of generating electricity |
| CN105222144A (en) * | 2014-06-18 | 2016-01-06 | 天津市天成工业炉制造有限公司 | A kind of Energy-saving coal stove of self power generation supply clarifier water pump |
| CN205070848U (en) * | 2015-09-30 | 2016-03-02 | 冯忠奇 | Thermoelectric conversion device |
| CN205545011U (en) * | 2016-04-07 | 2016-08-31 | 上海电力学院 | Thermoelectric generation energy storage and transmission of electricity system for boiler furnace |
-
2016
- 2016-04-07 CN CN201610212738.3A patent/CN105703664A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882898A (en) * | 2010-05-28 | 2010-11-10 | 王峰 | Low temperature smoke temperature difference generator |
| CN202852888U (en) * | 2012-08-01 | 2013-04-03 | 田海金 | Multi-purpose heating furnace capable of generating electricity |
| CN105222144A (en) * | 2014-06-18 | 2016-01-06 | 天津市天成工业炉制造有限公司 | A kind of Energy-saving coal stove of self power generation supply clarifier water pump |
| CN205070848U (en) * | 2015-09-30 | 2016-03-02 | 冯忠奇 | Thermoelectric conversion device |
| CN205545011U (en) * | 2016-04-07 | 2016-08-31 | 上海电力学院 | Thermoelectric generation energy storage and transmission of electricity system for boiler furnace |
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Application publication date: 20160622 |