CN102003359B

CN102003359B - Solar-energy composite power station

Info

Publication number: CN102003359B
Application number: CN2010105600437A
Authority: CN
Inventors: 王光顺; 王雪霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-20
Filing date: 2010-11-20
Publication date: 2012-07-04
Anticipated expiration: 2030-11-20
Also published as: CN102003359A

Abstract

The invention relates to a power generating device, in particular to a solar-energy composite power station comprising a steam turbine, a power generator and a steam stabilizer, wherein the power generator is connected with the steam turbine in a driving mode, the steam stabilizer is connected to the steam input end of the steam turbine by a pipeline, the input end of the steam stabilizer is connected to the output end of a solar energy heater by a pipeline, and the steam output end of the steam turbine and a liquid-gas separator are connected to the input end of a condensing tower by a pipeline; the condensing tower comprises a cylindrical tower body, a radiating pipe and an auxiliary radiating pipe, wherein the radiating pipe and the auxiliary radiating pipe are fixedly arranged in the cylindrical tower body, the upper end of the radiating pipe is connected to the steam output end of the liquid-gas separator, and the lower end of the radiating pipe and an earth source well are connected to the input end of a liquid storage tank by a pipeline. The solar-energy composite power station uses solar energy as a main energy source, does not consume an one-time resource, has no pollution, adopts the earth source well and the condensing tower to condense, adopts a liquid-gas two-level heating mode, increases the utilization rate of the solar energy, uses the condensing tower to condense, has simple structure, saves water and can use a fan arranged at the upper end of the condensing tower to realize forced radiation or wind power generation at the same time.

Description

The compound power station of a kind of solar energy

Technical field

The present invention relates to a kind of power generating equipment, is the compound power station of a kind of solar energy specifically.

Background technique

Power generating equipment is originated according to different energy, can be divided into different kinds such as cogeneration power plant, water power plant, nuclear power station, solar power station.Cogeneration power plant need consume a large amount of non-renewable energy resources, and the water power plant need rely on distinctive water resource, and solar photovoltaic power plant adopts a large amount of solar energy silicon crystal chips usually, and the production of solar energy silicon crystal chip can produce certain environmental pollution.Solar vacuum heat-collecting pipe is that a kind of emerging solar energy utilizes mode, produces hot water but existing solar vacuum heat-collecting pipe just is used for water heater usually, and the hot water that produces like this is not high enough owing to temperature, has a narrow range of temperature, generating efficiency is low.

Summary of the invention

The purpose of this invention is to provide a kind of is main energy source, pollution-free, compound new energy power station that efficient is high with solar energy.

The present invention solves the problems of the technologies described above the technological scheme that is adopted to be:

The compound power station of a kind of solar energy of the present invention; The generator that comprises steam turbine, is in transmission connection with steam turbine, be connected the steam pressurizer of the steam input end of steam turbine through pipeline; It is characterized in that: the input end of said steam pressurizer is connected to the output terminal of solar heater through pipeline; Said solar heater comprises solar powered fluid heater and the Salar light-gathering steam heater that is cascaded; Said solar powered fluid heater comprises heat exchange box and is inserted into the solar vacuum heat-collecting pipe on the heat exchange box that the inner chamber of solar vacuum heat-collecting pipe is communicated with the inner chamber of heat exchange box, and the liquid heat exchange pipe is installed in the inner chamber of heat exchange box; Said Salar light-gathering steam heater comprises solar energy heat collection pipe and is installed in the gas converting heat pipe in the solar energy heat collection pipe; Liquid heat exchange pipe and gas converting heat pipe are connected in series through pipeline and thermostat valve; The input end of liquid heat exchange pipe is connected to liquid container through constant voltage jar and liquid pump; The steam output end of steam turbine is connected to the input end of condensing tower through pipeline and liquid-gas separator, between the input end of the output terminal of steam pressurizer and liquid-gas separator, is connected with bypass valve through pipeline; Said condensing tower comprises the tower body and the heat dissipating pipe and the auxiliary heat dissipation pipe that are fixedly mounted in the tower body of tubular, and the upper end of heat dissipating pipe is connected to the steam output end of liquid-gas separator, and the lower end of heat dissipating pipe is connected to the input end of liquid container through pipeline and Di Yuanjing; Be provided with source, ground condenser in the well of source, said ground, source, said ground condenser is connected in parallel on the output terminal of three-way valve, and the input end of three-way valve is connected to the lower end of heat dissipating pipe, and the output terminal of source, ground condenser is connected to the input end of liquid container through pipeline.

Top at condensing tower is equipped with vertical shaft fan.

Said liquid-gas separator comprises shell, be arranged on the input end and the gas output end of shell upper, be arranged on the liquid output terminal of outer casing underpart; Through hinge the cover plate that covers on the liquid output terminal mouth of pipe is installed in the enclosure; Be fixedly connected ball float through connecting rod on the cover plate; The input end of liquid-gas separator is connected to the steam output end of steam turbine; The gas output end of liquid-gas separator is connected to the upper end of heat dissipating pipe, and the liquid output terminal of liquid-gas separator is connected to the lower end of heat dissipating pipe through the auxiliary heat dissipation pipe.

The mouth of pipe of the solar energy heat collection pipe on the Salar light-gathering steam heater is inserted into the top of central siphon; Through bearing housing rotating disk is housed on the said central siphon; Rotating disk is in transmission connection through worm-and-wheel gear and driving mechanism; Be installed with the parabolic plate on the rotating disk, the cross section of said parabolic plate is that parabolic shape, internal surface have reflective surface; Gas converting heat pipe on the Salar light-gathering steam heater is communicated with corresponding pipeline through the connecting tube that interts in the central siphon inner chamber; Central siphon is installed in rotation on the support through rotating shaft, the side fixed installation pitching worm gear of central siphon, and the pitching worm gear matches with the pitching worm screw, and pitching worm screw and pitching driving mechanism are in transmission connection.

After adopting technique scheme, the compound power station of this solar energy is main energy source with solar energy, does not consume disposable resource, pollution-free; Adopt ground source well and condensing tower condensation and adopt liquids and gases two-stage mode of heating, improved solar energy utilization rate; Use the condensing tower condensation, simple in structure, using water wisely can also utilize the blower fan of condensing tower upper end to realize forced heat radiation or wind-power electricity generation simultaneously.

Description of drawings

Fig. 1 is the structural representation of one embodiment of the invention.

Fig. 2 is the structural representation of liquid-gas separator.

Fig. 3 is the structural representation of Salar light-gathering steam heater.

Embodiment

As shown in Figure 1; The compound power station of a kind of solar energy of the present invention comprises steam turbine 1 and is connected the steam pressurizer 2 of the steam input end of steam turbine 1 through pipeline; The input end of said steam pressurizer 2 is connected to the output terminal of solar heater through pipeline; Said solar heater comprises the solar powered fluid heater 3 and Salar light-gathering steam heater 4 that is cascaded, and the pipeline between solar powered fluid heater 3 and the Salar light-gathering steam heater 4 is provided with thermostat valve 22.Said solar powered fluid heater 3 comprises heat exchange box 5 and is inserted into the solar vacuum heat-collecting pipe 6 on the heat exchange box 5 that the inner chamber of solar vacuum heat-collecting pipe 6 is communicated with the inner chamber of heat exchange box 5, and liquid heat exchange pipe 7 is installed in the inner chamber of heat exchange box 5; Said Salar light-gathering steam heater 4 comprises solar energy heat collection pipe 8 and is installed in the gas converting heat pipe 9 in the solar energy heat collection pipe 8; Liquid heat exchange pipe 7 and gas converting heat pipe 9 are connected in series through pipeline; The input end of liquid heat exchange pipe 7 is connected to liquid container 12 through constant voltage jar 10 and liquid pump 11.Fill lower boiling liquid in liquid container 12 and the liquid heat exchange pipe 7,, preferably select the medium of boiling point a little more than ambient temperature like ethanol etc.; Fill high boiling liquid in the heat exchange box 5,, can enlarge the heating temperature difference and storing heat, thereby raise the efficiency and stable vapor pressure like water or heat conduction wet goods.In order to improve the absorption efficiency of solar energy, solar powered fluid heater 3 can use with Salar light-gathering steam heater 4 in a plurality of series connection.

The steam output end of steam turbine 1 is connected to the input end of condensing tower 13 through pipeline; Said condensing tower 13 comprises the tower body and the heat dissipating pipe 14 that is fixedly mounted in the tower body of tubular; The upper end of heat dissipating pipe 14 is connected to the steam output end of steam turbine 1, and the lower end of heat dissipating pipe 14 is connected to the input end of liquid container 12 through pipeline.On the top of condensing tower 13 vertical shaft fan 15 is installed, when the efficient of heat dissipating pipe 14 natural heat dissipations is not enough, can starts vertical shaft fan 15 and use, reach the purpose of forced heat radiation as fan; Otherwise, when the efficient of heat dissipating pipe 14 is enough, can vertical shaft fan 15 be switched to the generator working state, utilize in the condensing tower 13 natural wind from bottom to top to blow the flabellum generating.

Between the steam output end of the output terminal of steam pressurizer 2 and steam turbine 1, be connected with bypass valve 16 through pipeline; Between the input end of the steam output end of steam turbine 1 and condensing tower 13, be connected with liquid-gas separator 17 through pipeline; The input end of said liquid-gas separator 17 is connected to the steam output end of steam turbine 1; The gas output end of liquid-gas separator 17 is connected to the upper end of heat dissipating pipe 14, and the liquid output terminal of liquid-gas separator 17 is connected to the lower end of heat dissipating pipe 14 through auxiliary heat dissipation pipe 18; Between the input end of the lower end of heat dissipating pipe 14 and liquid container 12, be provided with source, ground well 19; Be provided with source, ground condenser 20 in source, the said ground well 19; Source, said ground condenser 20 is connected in parallel on the output terminal of three-way valve 21; The input end of three-way valve 21 is connected to the lower end of heat dissipating pipe 14, and the output terminal of source, ground condenser 20 is connected to the input end of liquid container 12 through pipeline.

The higher liquid of heat exchange box 5 mid-boiling points is heated by solar vacuum heat-collecting pipe 6; After lower boiling liquid medium is extracted out from liquid container 12 by liquid pump 11 through constant voltage jar 10; Make its pressure stability; Slowly through the liquid heat exchange pipe 7 in the solar powered fluid heater 3, when passing through liquid heat exchange pipe 7, with the higher liquid heat exchange of heat exchange box 5 mid-boiling points; After reaching a certain height through the medium temperature after the heat exchange successively through thermostat valve 22; Make the medium that reaches boiling temperature through the gas converting heat pipe 9 in the thermostat valve 22 entering Salar light-gathering steam heaters 4; Slowly passing through in the process of gas converting heat pipe 9; Further heated by solar energy heat collection pipe 8, vapor pressure is further improved, and improve the output power of steam turbine.Be stored in the steam pressurizer 2 by the steam after the heating through multistage, reach at vapor pressure after the job requirement of steam turbine 1, high pressure steam gets into the 1 work generating of steam turbine 1 pushing turbine through pipeline.If vapor pressure is too high, can make part steam directly get into the input end of liquid-gas separator 17 through bypass valve 16.Finishing the later steam of merit discharges from the steam output end of steam turbine 1; Through liquid-gas separator 17 the liquids and gases separation is got into later condensing tower 13 respectively; Gas medium is delivered to the top of heat dissipating pipe 14; Natural condensation through long becomes liquid, arrives the three-way valve 21 of bottom, and liquid medium then can directly arrive three-way valve 21 through auxiliary heat dissipation pipe 18.If the medium temperature of process three-way valve 21 meets the requirements then can directly send back to liquid container 12 at this moment; If also need further heat radiation; Then can medium be delivered to source, ground condenser 20; Lower the temperature through source, ground condenser 20 and the well water heat exchange in source, the ground well 19, the later liquid medium of cooling is sent back to liquid container 12, wait for next work cycle.

Source, ground condenser 20 can further reduce the temperature of liquid medium, and the medium boiling point of selection is further reduced, and enlarge the solar energy heating temperature difference, thereby the heat that solar heater is absorbed is more, efficient is higher.

Liquid-gas separator 17 can directly be sent the liquid part back to liquid container 12, and gas is then delivered to the top of condensing tower 13 through natural climbing power, and natural back flow is practiced thrift transmitting power to liquid container 12 after the condensation.

Because of Various Seasonal, different time; The residing position of the sun is different; In order to reach the effect of best absorption solar energy, present embodiment can also be designed to Salar light-gathering steam heater 4 promptly can within one day, to horizontally rotate and can adjust luffing angle sun-tracing light in Various Seasonal by sun-tracing light.Concrete scheme is: the top that the mouth of pipe of the solar energy heat collection pipe on the Salar light-gathering steam heater 48 is inserted into central siphon 81; Through bearing housing rotating disk 82 is housed on the said central siphon 81; Rotating disk 82 is in transmission connection through worm-and-wheel gear 89 and driving mechanism; Be installed with parabolic plate 83 on the rotating disk 82, the cross section of said parabolic plate 83 is that parabolic shape, internal surface have reflective surface.Like this; Electronic or manual driving mechanism can drive the center line rotation of rotating disk 82 around central siphon 81 through worm-and-wheel gear 89; Thereby can forward parabolic plate 83 back of solar energy heat collection pipe 8 to according to the residing position of sunlight, sunlight concentrated reflex on the solar energy heat collection pipe 8; Gas converting heat pipe 9 on the Salar light-gathering steam heater 4 is communicated with corresponding pipeline through the connecting tube that interts in central siphon 81 inner chambers; Central siphon 81 is installed in rotation on the support 85 through rotating shaft, the side fixed installation pitching worm gear 86 of central siphon 81, and pitching worm gear 86 matches with pitching worm screw 87, and pitching worm screw 87 is in transmission connection with pitching driving mechanism 88.Like this,, can adopt manually perhaps electronic pitching driving mechanism 88 to change the luffing angle of central siphons 81, make solar energy heat collection pipe 8 remain best angle and receive sunlight according to Various Seasonal.

The compound power station of this solar energy with solar energy, the source can, the energy and wind energy integrative utilization, improve the efficient in power station greatly, can be used for large-scale new energy power plant construction.

Claims

1. compound power station of solar energy; The generator (23) that comprises steam turbine (1), is in transmission connection with steam turbine (1), be connected the steam pressurizer (2) of the steam input end of steam turbine (1) through pipeline; It is characterized in that: the input end of said steam pressurizer (2) is connected to the output terminal of solar heater through pipeline; Said solar heater comprises solar powered fluid heater (3) and the Salar light-gathering steam heater (4) that is cascaded; Said solar powered fluid heater (3) comprises heat exchange box (5) and is inserted into the solar vacuum heat-collecting pipe (6) on the heat exchange box (5); The inner chamber of solar vacuum heat-collecting pipe (6) is communicated with the inner chamber of heat exchange box (5), and liquid heat exchange pipe (7) is installed in the inner chamber of heat exchange box (5); Said Salar light-gathering steam heater (4) comprises solar energy heat collection pipe (8) and is installed in the gas converting heat pipe (9) in the solar energy heat collection pipe (8); Liquid heat exchange pipe (7) is connected in series through pipeline and thermostat valve (22) with gas converting heat pipe (9); The input end of liquid heat exchange pipe (7) is connected to liquid container (12) through constant voltage jar (10) and liquid pump (11); The steam output end of steam turbine (1) is connected to the input end of condensing tower (13) through pipeline and liquid-gas separator (17), between the input end of the output terminal of steam pressurizer (2) and liquid-gas separator (17), is connected with bypass valve (16) through pipeline; Said condensing tower (13) comprises the tower body and the heat dissipating pipe (14) and the auxiliary heat dissipation pipe (18) that are fixedly mounted in the tower body of tubular; The upper end of heat dissipating pipe (14) is connected to the steam output end of liquid-gas separator (17), and the lower end of heat dissipating pipe (14) is connected to the input end of liquid container (12) through pipeline and Di Yuanjing (19); Be provided with ground source condenser (20) in source, the said ground well (19); Source, said ground condenser (20) is connected in parallel on the output terminal of three-way valve (21); The input end of three-way valve (21) is connected to the lower end of heat dissipating pipe (14), and the output terminal of source, ground condenser (20) is connected to the input end of liquid container (12) through pipeline.

2. the compound power station of a kind of solar energy according to claim 1 is characterized in that: on the top of condensing tower (13) vertical shaft fan (15) is installed.

3. the compound power station of a kind of solar energy according to claim 1 and 2; It is characterized in that: said liquid-gas separator (17) comprises shell, be arranged on the input end (171) and the gas output end (172) of shell upper, be arranged on the liquid output terminal (173) of outer casing underpart; Through hinge the cover plate (174) that covers on the liquid output terminal mouth of pipe is installed in the enclosure; Cover plate (174) is gone up through connecting rod and is fixedly connected ball float (175); The input end of liquid-gas separator (17) is connected to the steam output end of steam turbine (1); The gas output end (172) of liquid-gas separator (17) is connected to the upper end of heat dissipating pipe (14), and the liquid output terminal (173) of liquid-gas separator (17) is connected to the lower end of heat dissipating pipe (14) through auxiliary heat dissipation pipe (18).

4. the compound power station of a kind of solar energy according to claim 1 and 2; It is characterized in that: the mouth of pipe of the solar energy heat collection pipe (8) on the Salar light-gathering steam heater (4) is inserted into the top of central siphon (81); Said central siphon (81) is gone up and through bearing housing rotating disk (82) is housed; Rotating disk (82) is in transmission connection through worm-and-wheel gear (89) and driving mechanism, is installed with parabolic plate (83) on the rotating disk (82), and the cross section of said parabolic plate (83) is that parabolic shape, internal surface have reflective surface; Gas converting heat pipe (9) on the Salar light-gathering steam heater (4) is communicated with corresponding pipeline through the connecting tube that interts in central siphon (81) inner chamber; Central siphon (81) is installed in rotation on the support (85) through rotating shaft, a side of central siphon (81) fixed installation pitching worm gear (86), and pitching worm gear (86) matches with pitching worm screw (87), and pitching worm screw (87) is in transmission connection with pitching driving mechanism (88).