CN102022294A - Method and device for generating electricity with rotating heat pipe - Google Patents
Method and device for generating electricity with rotating heat pipe Download PDFInfo
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- CN102022294A CN102022294A CN 201010580534 CN201010580534A CN102022294A CN 102022294 A CN102022294 A CN 102022294A CN 201010580534 CN201010580534 CN 201010580534 CN 201010580534 A CN201010580534 A CN 201010580534A CN 102022294 A CN102022294 A CN 102022294A
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Abstract
The invention provides a method and a device for generating electricity with a rotating heat pipe. The device is composed of heat pipes, a rotation shaft, a shaft stool and a generator, wherein the number of the heat pipes is at least one; a steam conduit of each heat pipe is fixed on the rotation shaft; the generator is connected with one end of the rotation shaft; and the heat pipe is composed of an upper liquid collecting box, a lower liquid collecting box, the steam conduit and operating fluid. The rotating heat pipe generation device is characterized in that a heat source is used for heating the lower liquid collecting box so that the operating fluid is heat-absorbed and then evaporated from the lower liquid collecting box; the steam of the operating fluid releases the heat and is then condensed in the upper liquid collecting box by using a naturally cooling or forced cooling method; and the heat pipes rotate to drive the rotation shaft to rotate, so that mechanical energy is transferred to the generator, and then electric energy is output by the generator. The device for generating electricity with a rotating heat pipe is simple in structure and is stable in running. In the method provided by the invention, the heat sources, such as solar energy, heat released by combustion of fuel, steam or hot smoke, and the like, are widely utilized and the energy conversion efficiency is high, thus the method is a generation method in favor of reducing pollutant emission and environment pollution.
Description
Technical field
The invention belongs to the generation of electricity by new energy technical field, relate to the heat generating tube technology, particularly a kind of rotating heat pipe electricity-generating method and device.
Background technique
Heat-pipe technology: the conventional heat pipe basic functional principle as shown in Figure 1 and Figure 2.Typical heat pipe such as Fig. 1, it is made up of shell (will take out certain vacuum in the shell before filling working liquid body), heat exchanger core (heat exchanger core is used for condensating section liquid is turned back to evaporator section by capillarity) and an amount of working liquid body (be contained in the imbibition in-core at this working liquid body, directly do not illustrate).One end of pipe is an evaporator section, and the other end is a condensating section, can arrange the adiabatic section according to application need two sections centres.Liquid in the evaporator section heat exchanger core absorbs outside heat makes liquid evaporation, becomes steam, and steam flows to condensating section by the adiabatic section under small differential pressure action, and steam is emitted heat at condensating section, becomes liquid and flow back into evaporator section along heat exchanger core.So circulation endlessly just can be the evaporator section heat delivery to condensating section.
Another kind of heat pipe is the structure of no imbibition core, as shown in Figure 2.Working liquid body in the heat pipe flashes to steam after the evaporator section heat absorption, steam is along rising to the condensating section heating in the pipe, and by being condensed into working liquid body, working liquid body flow back into evaporator section and realizes heat transfer along inner wall of tube shell by gravity.
Heat pipe has advantages such as very high thermal conductivity and good isothermal (having a narrow range of temperature of cold and hot end needs) property, now has been widely used in UTILIZATION OF VESIDUAL HEAT IN, various heat exchanger, condenser and heater field.
Heat generating tube technology: utilize heat generating tube nothing more than two kinds from disclosed patent: a kind of is to utilize the generating of heat pipe semiconductor thermoelectric, as Chinese patent application 200810220647.X; Another kind is to utilize the mechanical energy generating that the rotation of flow of steam drive wind wheel produces in the heat pipe.The patent of Chinese patent application 200620134555.6, Chinese patent application 200410155267.4 all is to utilize above-mentioned principle generating.
The former, thermo-electric generation is not the comparable technology of this case, does not make auspicious opinion at this.For the latter, its generation technology principle is consistent with the steam turbine power generation of extensive use at present, promptly rotates with the high velocity vapor pushing turbine, and steam turbine drives generator for electricity generation.This electricity-generating method requirement steam flow is big, pressure (pressure reduction before and after the steam turbine) is high could obtain high energy conversion efficiency.And know from the Heat Transfer of Heat Pipe on Heat Pipe principle, steam flow can reach bigger requirement by system design, as strengthen heat pipe sizes, increase heat pipe quantity, improve cold and hot end heat exchange efficiency etc., but can't increase heat pipe radial pressure (the front and back pressure reduction that steam turbine needs), it is its efficient heat transfer basic assurance that the low differential pressure of heat pipe is conducted heat.So this generation technology thermal efficiency is very low.
Summary of the invention
Deficiency at existing heat generating tube technology the invention provides a kind of rotating heat pipe electricity-generating method and device.
Basic thought of the present invention is to rise to a high position by the liquid that the heat pipe evaporation channel will be in low level, and relief acting when being in high-order working liquid body and falling drives generator for electricity generation.Heat pipe of the present invention is owing to there not being the working solution reflux course, and is different with the conventional heat pipe working procedure.
For better understanding inventive principle, the existing single heat pipe rotary work of accompanying drawings process.
(1) no working liquid body does not have heating and does not have radiating state, does not promptly fill the state of working liquid body in the heat pipe.
Fig. 3 is the thermotube shell sectional view, and Fig. 4 is Fig. 3 cross-sectional side view.They are before not filling working liquid body, do not have the state that heats and do not have heat radiation.Device comprises that catch box (double as condensating section), steam conduit 2(are equivalent to the adiabatic section of heat pipe), rotatingshaft 3, following catch box 4(double as evaporator section) and shaft stool 5.Steam conduit partly stretches out in the catch box, makes that condensed fluid is unlikely to flow to down in the catch box.As shown in the figure, catch box is nonaxisymmetrical with respect to steam conduit, so that when work forms running torque.
(2) filling working liquid body does not have heating and radiating state, has promptly filled working liquid body in the heat pipe.
Fig. 5, Fig. 6 are filling the working liquid body 6 of appropriate amount in the catch box 4 down, but do not have the state of heating and heat radiation, and other is identical with Fig. 3, Fig. 4.A, B two ends relatively rotated axle 3 and were in the moment unbalance state this moment, and promptly this moment, the B end moment was greater than the A end moment, because the B end has increased the additional moment of working liquid body.
(3) fill working liquid body heating and radiating state are arranged
The working state that Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12 represent is for beginning with catch box 4 under the thermal source heating, working liquid body 6 start vaporizers under this moment in the catch box 4, and rise to catch box 1 along steam conduit 2, make devaporation become liquid at last catch box 1 by heat radiation, and stay in the catch box.
Wherein, the working liquid bodys 6 in the catch box 4 do not have complete evaporating state under being represented of Figure 11, Figure 12.
This moment, the center of gravity of 1 condensed fluid 6 departed from the centre of equilibrium in last catch box owing to the asymmetric design of catch box, and produced running torque, and heat pipe begins rotation.For the rotating heat pipe that has only a heat pipe, the necessary asymmetric design of catch box, otherwise can not produce running torque.But the rotating heat pipe system that a plurality of in this way heat pipes are formed can not consider the asymmetry problem.
(4) be evaporated to liquid work done process in the catch box 1
Figure 13, Figure 14, Figure 15, Figure 16, Figure 17 are the different phase and the single heat pipe rotary course of working liquid body work done in the last catch box 1.Figure 13 represents is to go up working liquid body in the catch box, because the asymmetric design of catch box produces running torque, this moment, arm of force minimum was rotated but can promote heat pipe; Figure 14 represents is that rotating heat pipe forwards to when spending in vertical direction with miter angle, and the arm of force increases, and liquid acting ability increases in the catch box; So be appreciated that Figure 15, effect shown in Figure 16 (above different conditions arm of force size see among the figure shown in the L); During to Figure 17 state, because the liquid center of gravity is vertical with rotating center in the last catch box, can not do work again, this moment, the former catch box of going up became catch box down, former catch box down becomes goes up catch box, and the heat collecting tank position exchanges mutually up and down, evaporation and condensation location swap, but the evaporative condenser process there is not change, just the heat collecting tank location swap.So constantly back and forth, the constantly exchange of A, B end just can make not stall of heat pipe moving, and this rotation drives other mechanical rotation by rotatingshaft 3, as driving generator for electricity generation etc.
This is the explanation of single heat pipe rotation principle, because single heat pipe can not provide the stable energy of exporting and make full use of, so, to form hot-pipe system with a plurality of independent heat pipes during actual the use, make running more steady, the thermal efficiency is higher.
The single heat pipe of the present invention is made of last catch box, following catch box, steam conduit and working liquid body.
Last catch box is a container of accepting steam, and steam is condensed into liquid at last catch box through heat radiation.Here " on " be for rotating shaft center, be higher than rotating shaft center claim " on ", be lower than and then claim D score.Be tightly connected between it and steam conduit; Its housing parts double as radiator; Can install heat conduction or radiating fin additional for improving its inside and outside of radiating efficiency; Choose different materials according to different serviceability temperatures,, can use common iron, aluminium, copper material, can use high-temperature alloy steel, ceramic-metal composites under the high temperature as below 300 ℃.
Following catch box is the container of storage working liquid body, and working liquid body is descending catch box through absorbing heat, flash to steam.The D score here is for rotating shaft center, is lower than rotating shaft center and claims D score, be higher than then and claim " on ", be tightly connected between it and steam conduit; Its housing parts double as heat absorber; Can install heat conduction and endothermic plate additional for carrying its inside and outside of heat absorption efficiency; Its material requires the same catch box.
Steam conduit is to connect the steam pipeline of going up catch box and following catch box.Its end and last catch box are tightly connected, and the other end is tightly connected with following catch box.Two end portions stretches into respectively in catch box, the following catch box.Its shape of cross section can be rectangle, circle, square, triangle, polygon or ellipse; Choose different materials according to different serviceability temperatures,, can use common iron, aluminium or copper material, can use high-temperature alloy steel or ceramic-metal composites under the high temperature as below 300 ℃.
Working liquid body is stored in down in the catch box, is the working medium of transmitting energy, by catch box heat absorption evaporation down, heat release condensation in last catch box.Select different working liquid bodys for use according to heat source temperature, as using pure water, ethanol or ammonia etc. down at low temperature (0～300 ℃); Middle temperature (350～650 ℃) is used mercury down, can use metallic potassium or sodium metal down at high temperature (more than 650 ℃).
Rotating heat pipe electricity generating device of the present invention is made of heat pipe, rotatingshaft, shaft stool and generator.
Heat pipe quantity is at least 1, and the steam conduit of each heat pipe all is fixed on the rotatingshaft, and rotatingshaft is the electricity generating device center of rotation, and the running torque of each heat pipe is all exported by rotatingshaft.Rotatingshaft has an end at least as clutch end.Rotatingshaft is installed on the shaft stool.
Generator is connected with an end of rotatingshaft, is the part of utilizing of mechanical energy, and the mechanical energy of the heat pipe of spinning in the future changes into electric energy.
Rotating heat pipe electricity-generating method of the present invention is: with catch box under the thermal source heating, temperature reaches the boiling point of working liquid body, make working liquid body by catch box heat absorption evaporation down, the method that adopts natural cooling or force cooling, make the heat release condensation in last catch box of working liquid body steam, the heat pipe rotation drives the rotatingshaft rotation, and mechanical energy is passed to generator, by generator output electric energy.Heat, steam or hot flue gas that thermal source adopts solar energy, fuel combustion to discharge.
The inventive method is that the potential energy that utilizes heat pipe principle to improve liquid is realized, the temperature difference that is needed by the known this mode of heat pipe working principle is very little, its axially approximate isothermal, its axial heat conduction ability is very big, then the ability of lifting liquid is very high, so available resource is a lot, as utilize the temperature difference of the sunny side and the back of sunlight; The temperature difference of hot flue gas and physical environment; Underground soil is supported and underground water and circumstance of temperature difference; Seawater, rivers, the lake different aspects temperature difference etc. just can be used the present invention to generate electricity or power source is provided as long as that is to say certain temperature difference (according to different operating liquid, the minimum temperature difference difference of requirement).
Rotating heat pipe electricity generating device simple structure of the present invention operates steadily.The inventive method can extensively be utilized thermals source such as solar energy, ignition heat, steam or hot flue gas, the energy conversion efficiency height, and its efficient can reach 5%～60 %.The inventive method can be utilized clean energy resource, also can utilize used heat, is the electricity-generating method that helps reducing pollutant emission, reduces environmental pollution.
Description of drawings
Fig. 1 has core heat tube structure schematic representation for prior art;
Fig. 2 is a prior art centreless heat tube structure schematic representation;
Fig. 3 is a heat tube structure schematic representation plan view of not filling working liquid body of the present invention;
Fig. 4 is a heat tube structure schematic representation left view of not filling working liquid body of the present invention;
Fig. 5 is for filling the heat tube structure schematic representation plan view of an amount of working liquid body in the catch box under of the present invention;
Fig. 6 is for filling the heat tube structure schematic representation left view of an amount of working liquid body in the catch box under of the present invention;
Fig. 7 is the heat tube structure schematic representation plan view of working liquid body start vaporizer in the catch box down of the present invention;
Fig. 8 is the heat tube structure schematic representation left view of working liquid body start vaporizer in the catch box down of the present invention;
Fig. 9 is the heat tube structure schematic representation plan view that working liquid body does not evaporate fully in the catch box down of the present invention;
Figure 10 is the heat tube structure schematic representation left view that working liquid body does not evaporate fully in the catch box down of the present invention;
The heat tube structure schematic representation plan view that Figure 11 all evaporates for the interior working liquid body of catch box down of the present invention;
The heat tube structure schematic representation left view that Figure 12 all evaporates for the interior working liquid body of catch box down of the present invention;
The heat tube structure schematic representation plan view that Figure 13 begins to do work for liquid in the upward catch box of the present invention;
Figure 14 rotates to the heat tube structure schematic representation before the horizontal position for liquid acting in the upward catch box of the present invention, heat pipe;
Figure 15 rotates to the heat tube structure schematic representation of horizontal position for liquid acting in the upward catch box of the present invention, heat pipe;
Figure 16 rotates to the heat tube structure schematic representation behind the horizontal position for liquid acting in the upward catch box of the present invention, heat pipe;
Figure 17 rotates to the heat tube structure schematic representation of vertical position for liquid acting in the upward catch box of the present invention, heat pipe;
Figure 18 is the rotating heat pipe electricity generating device plan view of the embodiment of the invention 1;
Figure 19 is the rotating heat pipe electricity generating device left view of the embodiment of the invention 1;
Figure 20 is the rotating heat pipe electricity generating device plan view of the embodiment of the invention 2;
Figure 21 is the rotating heat pipe electricity generating device left view of the embodiment of the invention 2;
Figure 22 is a kind of heat tube structure schematic representation plan view of the present invention;
Figure 23 is the structural representation left view of heat pipe shown in Figure 22 of the present invention;
Among the figure: catch box on 1,2 steam conduits, 3 rotatingshafts, 4 times catch boxs, 5 shaft stools, 6 working liquid bodys, 7 generators, 10 housings, 20 inner cores, 30 liquid, 40 steams.
Embodiment
Further specify the present invention below by embodiment.
Shown in Figure 18,19, the rotating heat pipe electricity generating device is made of heat pipe, rotatingshaft 3, shaft stool 5 and generator 7.
Heat pipe quantity is 5, i.e. heat pipe A, B, C, D and E, and the steam conduit 2 of each heat pipe all is fixed on the rotatingshaft 3, and is fixed on the axial diverse location of rotatingshaft 3.Rotatingshaft 3 is electricity generating device centers of rotation, and the running torque of each heat pipe is all by rotatingshaft 3 outputs.Rotatingshaft 3 one ends are as clutch end.Rotatingshaft 3 is installed on the shaft stool 5.
Heat pipe A, B, C, D are identical with the E structure, by last catch box 1, catch box 4, steam conduit 2 and working liquid body 6 constitute down.
The rotating heat pipe electricity-generating method is: with catch box 4 under thermal source (solar radiant heat) heating, temperature reaches the boiling point of working liquid body 6, working liquid body 6 is a pure water, make working liquid body 6 by catch box 4 heat absorption evaporations down, adopt the method for natural cooling, make the heat release condensation in last catch box 1 of working liquid body 6 steams, the heat pipe rotation drives rotatingshaft 3 rotations, mechanical energy is passed to generator 7, by generator 7 output electric energy.
Shown in Figure 20,21, the rotating heat pipe electricity generating device is made of heat pipe, rotatingshaft 3, shaft stool 5 and generator 7.
Heat pipe quantity is 3, i.e. heat pipe A, B and C, and the steam conduit 2 of each heat pipe all is fixed on the rotatingshaft 3, and is fixed on the axial same position of rotatingshaft 3.Rotatingshaft 3 is electricity generating device centers of rotation, and the running torque of each heat pipe is all by rotatingshaft 3 outputs.Rotatingshaft 3 one ends are as clutch end.Rotatingshaft 3 is installed on the shaft stool 5.
Heat pipe A, B are identical with C-structure, are made of last catch box 1, following catch box 4, steam conduit 2 and working liquid body 6.
The rotating heat pipe electricity-generating method is: with catch box 4 under thermal source (steam) heating, temperature reaches the boiling point of working liquid body 6, working liquid body 6 is a water, make working liquid body 6 by catch box 4 heat absorption evaporations down, adopt the method for forcing cooling, make the heat release condensation in last catch box 1 of working liquid body 6 steams, the heat pipe rotation drives rotatingshaft 3 rotations, mechanical energy is passed to generator 7, by generator 7 output electric energy.
Claims (3)
1. rotating heat pipe electricity generating device, be made of heat pipe, rotatingshaft, shaft stool and generator, heat pipe quantity is at least one, and the steam conduit of each heat pipe all is fixed on the rotatingshaft, rotatingshaft has an end at least as clutch end, and rotatingshaft is installed on the shaft stool; Generator is connected with an end of rotatingshaft; Heat pipe is made of last catch box, following catch box, steam conduit and working liquid body, last catch box is a container of accepting steam, following catch box is the container of storage working liquid body, steam conduit is to connect the steam pipeline of going up catch box and following catch box, its end and last catch box are tightly connected, the other end is tightly connected with following catch box, and two end portions stretches into respectively in catch box, the following catch box, and working liquid body is stored in down in the catch box.
2. according to the described rotating heat pipe electricity generating device of claim 1, it is characterized in that: use pure water, ethanol or ammonia down at 0～300 ℃ according to heat source temperature selection work liquid; 350～650 ℃ are used mercury down, use metallic potassium or sodium metal more than 650 ℃.
3. adopt the method for the described rotating heat pipe electricity generating device generating of claim 1, it is characterized in that: with catch box under the thermal source heating, temperature reaches the boiling point of working liquid body, make working liquid body by catch box heat absorption evaporation down, the method that adopts natural cooling or force cooling, make the heat release condensation in last catch box of working liquid body steam, the heat pipe rotation drives the rotatingshaft rotation, mechanical energy is passed to generator, by generator output electric energy, heat, steam or hot flue gas that thermal source adopts solar energy, fuel combustion to discharge.
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| CN 201010580534 CN102022294A (en) | 2010-12-09 | 2010-12-09 | Method and device for generating electricity with rotating heat pipe |
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| CN 201010580534 CN102022294A (en) | 2010-12-09 | 2010-12-09 | Method and device for generating electricity with rotating heat pipe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103912465A (en) * | 2013-01-07 | 2014-07-09 | 马照龙 | Temperature-difference power conversion method |
| CN103944234A (en) * | 2014-04-25 | 2014-07-23 | 黄谷 | Device for charging mobile phone and tablet computer in concentrated solar power and vibration self-generating mode |
| CN105571172A (en) * | 2015-08-27 | 2016-05-11 | 胡振华 | Rotary empty-solarization-preventing solar water heater |
| CN106677919A (en) * | 2015-11-07 | 2017-05-17 | 杜晓华 | Temperature-difference engine |
| CN107062376A (en) * | 2017-03-27 | 2017-08-18 | 南京工业大学 | A kind of industrial waste heat water cooling and the runner heat-exchanger rig of recycling |
| CN108474358A (en) * | 2015-12-24 | 2018-08-31 | 三角驱动24有限责任公司 | It is generated electricity using the liquid with different vapour pressures |
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| CN101725488A (en) * | 2008-10-29 | 2010-06-09 | 青岛科技大学 | Heat pipe fly wheel type solar photothermal generation and energy storage method |
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| JPS5851281A (en) * | 1981-09-21 | 1983-03-25 | Mitsubishi Heavy Ind Ltd | Turning apparatus utilizing temperature difference |
| FR2570441A1 (en) * | 1984-09-14 | 1986-03-21 | Strydom Moses | Rotary motor using the actions of evaporation and gravitation on a thermodynamic fluid |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912465A (en) * | 2013-01-07 | 2014-07-09 | 马照龙 | Temperature-difference power conversion method |
| CN103944234A (en) * | 2014-04-25 | 2014-07-23 | 黄谷 | Device for charging mobile phone and tablet computer in concentrated solar power and vibration self-generating mode |
| CN105571172A (en) * | 2015-08-27 | 2016-05-11 | 胡振华 | Rotary empty-solarization-preventing solar water heater |
| CN106677919A (en) * | 2015-11-07 | 2017-05-17 | 杜晓华 | Temperature-difference engine |
| CN108474358A (en) * | 2015-12-24 | 2018-08-31 | 三角驱动24有限责任公司 | It is generated electricity using the liquid with different vapour pressures |
| CN108474358B (en) * | 2015-12-24 | 2019-10-29 | 三角驱动24有限责任公司 | It is generated electricity using the liquid with different vapour pressures |
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| CN107062376A (en) * | 2017-03-27 | 2017-08-18 | 南京工业大学 | A kind of industrial waste heat water cooling and the runner heat-exchanger rig of recycling |
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Application publication date: 20110420 |