CN104833116B - Solar-powered dual-purpose combined system - Google Patents
Solar-powered dual-purpose combined system Download PDFInfo
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- CN104833116B CN104833116B CN201510240060.5A CN201510240060A CN104833116B CN 104833116 B CN104833116 B CN 104833116B CN 201510240060 A CN201510240060 A CN 201510240060A CN 104833116 B CN104833116 B CN 104833116B
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- vaporizer
- outlet
- pipeline
- dual
- solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Abstract
The invention discloses a solar-powered dual-purpose combined system, which comprises a water cycle heating device, a water cycle output device and a power supply and heating conversion device, wherein the water cycle heating device comprises a heat collector and a thermal insulation water tank which are connected through a pipeline; the water cycle output device comprises an evaporator provided with an inlet and an outlet; the inlet and the outlet are connected to the thermal insulation water tank through pipelines; the power supply and heating conversion device comprises an input pipeline and an output pipeline which are communicated with the evaporator; the output pipeline is connected to a screw expander and a screw compressor, which are connected to a switching valve, in parallel; the switching valve is provided with a first outlet pipe and a second outlet pipe; the first outlet pipe is connected to one end of a radiator, and the other end of the radiator is connected to the evaporator; the second outlet pipe is connected to a cooling device; the other end of the cooling device is connected to the evaporator; a working substance flows in a connecting pipeline of the power supply and heating conversion device. The solar-powered dual-purpose combined system has the advantages that the solar-powered dual-purpose combined system is powered by both water and electricity, the energy consumption is reduced, and the intermittency and the instability of the solar power are improved, so that the received solar power is fully utilized.
Description
Technical field
The present invention relates to solar electrical energy generation and heat supply process field, be specifically related to the dual-purpose combination system of a kind of Driven by Solar Energy
System.
Background technology
Solar energy, as a kind of environment friendly and pollution-free low-grade energy, has obtained and has paid close attention to widely.Existing heliotechnics
Take full advantage of the high-octane feature of solar energy, collect solar energy and carry out the conversion such as photo-thermal, photoelectricity, to solve a part
Heating powerup issue.
But, existing solar energy equipment can only carry out single use, as solar water heater just can only on single equipment
Heat is provided, heats for bathing for water, but the basic electricity in family still can not meet；And solaode
Plate then can only be single power supply, and can not heat water system to meet domestic water requirement；So it is existing single
Solar utilizing equipment can not meet the most diversified demand of family, and limited very big by time, region etc., nothing
Stable, the Effec-tive Function that method is permanent, simultaneously because solar facilities was retrained by season, utilization rate is not enough, easily makes
The problems such as forming apparatus is idle (such as summer, hot water demand is little, and solar water heating equipment is in idle state).
Summary of the invention
The present invention is directed to the above-mentioned deficiency of prior art, it is provided that a kind of water power is dual-purpose, can reduce energy consumption, improve solar energy
Intermittent and unstability, makes the dual-purpose combination system of the Driven by Solar Energy that the solar energy received is fully used.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: the dual-purpose combination system of a kind of Driven by Solar Energy
System, this system includes heater, heat-exchange device and power supply, heating dual-purpose apparatus；
Described heater includes heat collector, attemperater；Heat collector is provided with outlet and water inlet, attemperater
It is provided with the first water inlet, the second water inlet, the first outlet and the second outlet；The outlet of described heat collector with
First water inlet of attemperater is connected by pipeline, and the water inlet of heat collector passes through pipe with the first outlet of attemperater
Road connects；And the water inlet of heat collector is provided with collection thermal cycle on the first interconnective pipeline of outlet of attemperater
Pump；
Described heat-exchange device includes that vaporizer, upper end of evaporator are provided with inlet and outlet；Described vaporizer
Import is connected by pipeline with the second outlet of attemperater, and the outlet of vaporizer is logical with the second water inlet of attemperater
Piping connects；
Input channel and the output channel that described power supply, the dual-purpose apparatus that heats include connecting with vaporizer, described output
Pipeline is parallel with screw expander and helical-lobe compressor by pipeline, and described screw expander and helical-lobe compressor all pass through
One check valve is connected by pipeline with switching valve, and switching valve is provided with the first outlet and the second outlet, described
The first outlet be connected with one end of radiator, the other end of radiator with by being provided with pipeline and the vaporizer of expansion valve
It is connected；The second described outlet is connected with chiller, and the other end of chiller is by being provided with the pipe of working medium pump
Road is connected with vaporizer；Described power supply, the interior flowing of above-mentioned connection pipeline of heating dual-purpose apparatus have working medium.
Using said structure, the present invention combines heat pump, organic Rankine bottoming cycle principle proposes the dual-purpose of a kind of Driven by Solar Energy
Association system, converts solar energy into thermal energy storage in recirculated water, and uses low boiling organic working medium, pass through work summer
The pressure differential pushing mechanical device generating of matter, utilizes solar energy as the vaporizer thermal source of heat pump, improve heat pump efficiency winter,
And the heat collected is supplied in family, it is achieved that solar energy, to mechanical energy and the Efficient Conversion of heat energy, can be used for replacing
Other power supply and heating equipment, make both realize in same equipment.Thus reduce energy consumption, improve the interval of solar energy
Property with instable deficiency, make the solar energy received to be fully used, reduce electric energy loss simultaneously.With winter
As a example by, vacuum tube area only need to reach 27, reaches certain heat exchange amount, the heat radiation that just thermic load can be made to be 10kw h
Device work 24h, saves electricity about 240kw h every day.Same as a example by summer, daytime vacuum tube Nei Wenduda 90 DEG C,
After in vaporizer, working medium carries out heat exchange, temperature reaches 80 DEG C, and pressure reaches 265kpa, as a example by selecting working medium R113, and can
Realize 10kw about the h that generates electricity every day, and in running, working medium is in closed environment and recycles, have without any
Evil discharge.
Summer electric power system: (1) output device: be heated to the circulation of uniform temperature by vacuum tube i.e. solar thermal collector
Low boiling working fluid in water and vaporizer carries out heat exchange, and working medium is heated vaporization under outside hot environment, forms high temperature height
Calming the anger body, after temperature inductor, switch controller is opened, by screw expander expansion work, it is provided that mechanical energy is used
With generating.(2) reflux: switch valve makes the working medium through screw expander flow to chiller, makes working medium abundant
Condensation liquefaction, is evacuated to upper strata by working medium pump by liquid working substance, returns in vaporizer by choke valve, completes a circulation.
Note: send electricity and pass through to power outside power supply road direction outside electric power, supplemented electric power by civil power auxiliary power supply circuit during generated energy deficiency.
Winter heating system: (1) output device: be heated to recirculated water and the low boiling working fluid in vaporizer of uniform temperature
Carrying out heat exchange, make in vaporizer working medium be heated under outside hot environment vaporization, gas working medium passes through screw rod through air pump
Compressor is compressed, and switch valve makes working medium press in radiator, owing to radiator external environment condition is low temperature,
Gas working medium condensation heat release in radiator, heat is in order to heat；(2) reflux: gas working medium condensation in radiator
After heat release in expansion valve returns to vaporizer, complete a whole circulation.
As preferably, described vaporizer is internally provided with coil pipe and multiple deflection plate, and described coil pipe is along the length of vaporizer
Degree direction extends, bending, and along the radial multilayer distribution of vaporizer；The entrance point of described coil pipe and the import of vaporizer
Be connected, the port of export is connected with the outlet of vaporizer；The outline of described deflection plate is solid with the inwall laminating of vaporizer
Fixed and vertical with coil lengths bearing of trend, deflection plate is provided with the hole passed for coil pipe, and adjacent two deflection plates are
It is arranged oppositely, between the free end of each deflection plate with the inwall of relative vaporizer, is provided with gap；Described vaporizer
Sidewall be provided with the delivery outlet that the input port being connected respectively is connected with output channel with input channel；Use said structure,
The setting of deflection plate can ensure that fluid Tortuous flow in housing repeatedly, increases the heat exchange effect between the water in itself and coil pipe
Really；Deflection plate the tube bank that can also support vaporizer is set, prevent tube bundle vibration and bending.
As preferably, the pipeline that the second outlet of described attemperater is connected with vaporizer is provided with flow speed controller；
Use this device can effectively control the flow velocity of water, effectively control heating load or generated energy.
As preferably, the described output channel connected with vaporizer is provided with temperature inductor and switch controller, from
And effectively control switch open by the temperature of recirculated water.
As preferably, the end of described screw expander is provided with electromotor, uses this structure to be generated electricity in time by energy and turns
Go out.；The end of described helical-lobe compressor is provided with motor.
As preferably, the pipeline that described working medium pump is connected with vaporizer is provided with choke valve.
As preferably, the pipeline that described expansion valve is connected with vaporizer is provided with check valve.Prevent the refluence of working medium.
Working medium of the present invention is trichorotrifluoroethane or dichloromethane；It is preferably trichorotrifluoroethane；Use above-mentioned work
Matter can more effectively carry out cold and hot exchange, and the water power fully realizing the present invention is dual-purpose, can reduce energy consumption, improve solar energy
Intermittence and unstability, make the effect that the solar energy received is fully used.
The driving energy of pump of the present invention is powered from power supply.
The said apparatus process features of the present invention:
(1) this device utilizes Rankine cycle principle to generate electricity summer, utilizes winter heat pump principle to be dissipated by heat energy by fin
Send to room, reached to make full use of collected solar energy, by the purpose dual-purpose solar cross season.
(2) this device uses and seals tubing so that working medium can be with recycled for multiple times, it is to avoid produce additional economic
Burden or ecological pollution.
(3) this device utilizes the state change of pressure differential, temperature difference and working medium to form circulation, to avoid work process
The energy that middle consumption is extra.
(4) this device utilizes temperature inductor and check valve, it is determined that the working medium of various temperature and the flow direction of water, it is to avoid
The working medium that purposes is different is disorderly with current direction.
(5) this device utilizes reproducible solar energy as the energy driven, and produces the effect of maximum in the way of most economical
Benefit.
(6) this device according to absorb solar heat number, by circulating water temperature, by speed control control
Recirculated water flow velocity in vaporizer.
Accompanying drawing explanation
Fig. 1 Driven by Solar Energy of the present invention across season dual-purpose combination system structure schematic diagram.
The vaporizer sectional structure schematic diagram across season dual-purpose combination system of Fig. 2 Driven by Solar Energy of the present invention.
The A-A of the deflection plate of Fig. 3 Fig. 2 is to sectional view structural representation.
Detailed description of the invention
Below by detailed description of the invention, the present invention is described in further detail, but the present invention is not limited solely to following enforcement
Example.
As illustrated in the accompanying drawings from 1 to 3: the dual-purpose combination system of a kind of Driven by Solar Energy, this system includes heater, heat exchange
Device and power supply, heating dual-purpose apparatus；
Described heater includes heat collector 1, attemperater 5；Heat collector is provided with outlet 1.1 and water inlet 1.2,
Attemperater is provided with the first water inlet the 5.1, second water inlet the 5.2, first outlet 5.3 and the second outlet 5.4；
The outlet 1.1 of described heat collector is connected by pipeline with the first water inlet 5.1 of attemperater, the water inlet of heat collector
Mouth 1.2 is connected by pipeline with the first outlet 5.3 of attemperater；And the water inlet 1.2 of heat collector and attemperater
The first interconnective pipeline of outlet 5.3 on be provided with collection hot recycle pump 10；
Described heat-exchange device includes vaporizer 6, and upper end of evaporator is provided with import 6.1 and outlet 6.2；Described
The import of vaporizer be connected by pipeline with the second outlet 5.4 of attemperater, the outlet of vaporizer 6.2 and insulation
Second water inlet 5.2 of water tank is connected by pipeline；
Input channel 6.3 and the output channel 6.4 that described power supply, the dual-purpose apparatus that heats include connecting with vaporizer 6, institute
The output channel 6.4 stated is parallel with screw expander 14 and helical-lobe compressor 20, described screw expander by pipeline
14 and helical-lobe compressor 20 all by a check valve (16,18) with switching valve 21 be connected by pipeline, switching valve
The first outlet 21.1 and the second outlet 21.2, the first described outlet 21.1 and radiator 9 it is provided with on 21
One end connects, and the other end of radiator 9 is connected with vaporizer 6 with by being provided with the pipeline of expansion valve 8；Described
Two outlets 21.2 are connected with chiller 17, the other end of chiller 17 by be provided with the pipeline of working medium pump 4 with
Vaporizer 6 connects；Described power supply, the interior flowing of above-mentioned connection pipeline of heating dual-purpose apparatus have working medium.
Vaporizer of the present invention is internally provided with coil pipe 6.5 and multiple deflection plate 6.6, and described coil pipe is along vaporizer
Length direction extend, bending, and along vaporizer radial multilayer be distributed；The entrance point of described coil pipe and vaporizer
Import is connected, the port of export is connected with the outlet of vaporizer；The outline of described deflection plate pastes with the inwall of vaporizer
Closing fixing and vertical with coil lengths bearing of trend, deflection plate is provided with the hole 6.7 passed for coil pipe, and adjacent two
Deflection plate for being arranged oppositely (i.e. as in figure 2 it is shown, a deflection plate is fixed with the inwall of vaporizer and is connected, and adjacent thereto
Then relative with a upper deflection plate with the vaporizer side inwall of another deflection plate be connected, and length direction is handed over
Mistake, and it is provided with certain gap or distance with unconnected inwall, facilitate working medium circulation, bending), each deflection plate
It is provided with gap between free end with the inwall of relative vaporizer；The sidewall of described vaporizer be provided with respectively with input
The delivery outlet 6.9 that the input port 6.8 that pipeline 6.3 connects is connected with output channel 6.4；Use said structure, deflection plate
Setting can ensure that fluid Tortuous flow in housing repeatedly, increases the heat transfer effect between the water in itself and coil pipe；Folding
That flows plate arranges the tube bank that can also support vaporizer, prevents tube bundle vibration and bending；Additionally, the bearing of trend of coil pipe and
Overbending direction can increase the contact area of coil pipe and working medium, is effectively improved heat exchanger effectiveness.
It is provided with flow speed control on the pipeline that second outlet 5.4 of attemperater 5 of the present invention is connected with vaporizer 6
Device 2；Use this device can effectively control the flow velocity of water, effectively control heating load or generated energy.
It is provided with temperature inductor 12 and switch controller on the output channel 6.4 connected with vaporizer of the present invention
13, thus effectively control switch open by the temperature of recirculated water.
The end of screw expander of the present invention is provided with electromotor 15；The end of described helical-lobe compressor is provided with
Motor 19 (motor is used for driving compressor, and the operating power of motor is from power supply).
Radiator 9 of the present invention is additionally provided with a check valve 7 on the connection pipeline of vaporizer 6, facilitates working medium
The control flowed to.
Chiller of the present invention can use cooling tower, cooling tower to be provided with throttling with the connection pipeline of vaporizer 6
Valve 3.
Recirculated water in vaporizer 6 of the present invention uses coil pipe internal circulation, working medium then outside coil pipe with the water in coil pipe
Realize heat exchange.
Check valve 7 it is provided with vaporizer on the pipeline that expansion valve of the present invention is connected.Prevent the refluence of working medium.
Numerical computations:
(1) heat to power output efficiency and heating coefficient
In theory, the heat to power output efficiency of working medium R113 (i.e. trichorotrifluoroethane) is 10.94%, and heat pump heating coefficient is
10.19。
(2) practical example
As a example by winter, vacuum tube area only need to reach 27, reaches certain heat exchange amount, and just can make thermic load is 10kw h
Radiator work 24h, save electricity about 240kw h every day.With sample as a example by summer, daytime vacuum tube Nei Wenduda
90 DEG C, after in vaporizer, working medium carries out heat exchange, temperature reaches 80 DEG C, and pressure reaches 265kpa, to select working medium R113 to be
Example, can realize the nearly 10kw h that generates electricity every day, and in running, working medium is in closed environment and recycles, without any
Noxious emission.
In sum, this device is not only accomplished to save the energy, protects environment, can play the benefit of sustainable development, have
Certain economic feasibility.
(3) device situation:
Table 1: with R113 as working medium, winter working medium running parameter table
Winter, working medium circulation situation, can be heated to 50 DEG C by recirculated water, and after heat exchange, temperature is 40 DEG C
Table 2: with R113 as working medium, summer working medium running parameter table
(3) practical example
As a example by winter, vacuum tube area only need to reach 27, reaches certain heat exchange amount, and just can make thermic load is 10kw h
Radiator work 24h, save electricity about 240kw h every day.Same as a example by summer, daytime vacuum tube Nei Wenduda 90 DEG C,
After in vaporizer, working medium carries out heat exchange, temperature reaches 80 DEG C, and pressure reaches 265kpa, as a example by selecting working medium R113, and can
Realize 10kw about the h that generates electricity every day, and in running, working medium is in closed environment and recycles, without any harmful
Discharge.
In sum, this device is not only accomplished to save the energy, protects environment, can play the benefit of sustainable development, have
Certain economic feasibility.
(1) this device can realize across season dual-purpose, on the basis of generating electricity summer, more can heat in the winter time.
(2) this design theory based on Rankine cycle and heat pump principle, can be by low-grade solar energy collecting and be used for heating of powering.
(3) the heating coefficient of the heating coefficient ratio conventional heat pump of the design is big, can reach 10.19, have very in benefit time optimum
Big lifting.
(4) with solar energy as drive energy, it is achieved zero-emission.
Claims (8)
1. a dual-purpose combination system for Driven by Solar Energy, this system includes heater, heat-exchange device and power supply, heating dual-purpose apparatus；
Described heater includes heat collector (1), attemperater (5)；Heat collector (1) is provided with outlet (1.1) and water inlet (1.2), and attemperater (5) is provided with the first water inlet (5.1), the second water inlet (5.2), the first outlet (5.3) and the second outlet (5.4)；The outlet (1.1) of described heat collector (1) is connected by pipeline with first water inlet (5.1) of attemperater (5), and the water inlet (1.2) of heat collector (1) is connected by pipeline with first outlet (5.3) of attemperater (5)；And the water inlet (1.2) of heat collector (1) is provided with collection hot recycle pump (10) on the first outlet (5.3) the interconnective pipeline of attemperater (5)；
Described heat-exchange device includes that vaporizer (6), the upper end of vaporizer (6) are provided with import (6.1) and outlet (6.2)；The import of described vaporizer (6) is connected by pipeline with second outlet (5.4) of attemperater (5), and the outlet of vaporizer is connected by pipeline with the second water inlet of attemperater；
Described power supply, heating dual-purpose apparatus includes input channel (6.3) and the output channel (6.4) connected with vaporizer (6), described output channel (6.4) is parallel with screw expander (14) and helical-lobe compressor (20), described screw expander and helical-lobe compressor are all by a check valve (16, 18) it is connected by pipeline with switching valve (21), it is provided with the first outlet (21.1) and the second outlet (21.2) in switching valve (21), described the first outlet (21.1) is connected with one end of radiator (9), the other end of radiator (9) is connected with vaporizer (6) by being provided with the pipeline of expansion valve (8)；Described the second outlet (21.2) is connected with one end of chiller (17), and the other end of chiller (17) is connected with vaporizer (6) by being provided with the pipeline of working medium pump (4)；Described power supply, the interior flowing of above-mentioned connection pipeline of heating dual-purpose apparatus have working medium.
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterized in that: described vaporizer (6) is internally provided with coil pipe (6.5) and multiple deflection plate (6.6), described coil pipe extends along the length direction of vaporizer, bending, and along the radial multilayer distribution of vaporizer；The entrance point of described coil pipe is connected with the import of vaporizer, the port of export is connected with the outlet of vaporizer；The outline of described deflection plate is fixing with the inwall laminating of vaporizer, and it is vertical with coil lengths bearing of trend, deflection plate is provided with the hole (6.7) passed for coil pipe, and adjacent two deflection plates are for being arranged oppositely, and are provided with gap between the free end of each deflection plate with the inwall of relative vaporizer；The sidewall of described vaporizer is provided with the delivery outlet (6.9) that the input port (6.8) being connected respectively is connected with output channel with input channel.
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: it is provided with flow speed controller (2) on the pipeline that second outlet (5.4) of described attemperater is connected with vaporizer (6).
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: it is provided with temperature inductor (12) and switch controller (13) on the described output channel (6.4) connected with vaporizer (6).
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: the end of described screw expander (14) is provided with electromotor (15)；The end of described helical-lobe compressor (20) is provided with motor (19).
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: it is provided with choke valve (3) on the pipeline that described working medium pump (4) is connected with vaporizer (6).
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: it is provided with check valve (7) on the pipeline that described expansion valve (8) is connected with vaporizer (6).
The dual-purpose combination system of Driven by Solar Energy the most according to claim 1, it is characterised in that: described working medium is trichorotrifluoroethane or dichloromethane.
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| CN201510240060.5A CN104833116B (en) | 2015-05-12 | 2015-05-12 | Solar-powered dual-purpose combined system |
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| CN201510240060.5A CN104833116B (en) | 2015-05-12 | 2015-05-12 | Solar-powered dual-purpose combined system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079591A (en) * | 1976-08-02 | 1978-03-21 | Derby Ronald C | Solar power plant |
| CN201318255Y (en) * | 2008-10-30 | 2009-09-30 | 常州宣纳尔新能源科技有限公司 | Solar comprehensive utilizing system |
| US9359953B2 (en) * | 2010-09-30 | 2016-06-07 | Mitsubishi Hitachi Power Systems, Ltd. | Combined cycle power plant with solar assisted cooling of compressor inlet air |
| CN102679621B (en) * | 2011-12-24 | 2014-04-09 | 河南科技大学 | Solar driven combined cooling, heating and power system |
| CN103032912B (en) * | 2013-01-21 | 2014-12-10 | 中国科学院广州能源研究所 | Solar integrated Rankine-Rankine system floor heating device |
| CN204593908U (en) * | 2015-05-12 | 2015-08-26 | 浙江大学宁波理工学院 | The dual-purpose combination system of Driven by Solar Energy |
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