CN106224019A - Solar cogeneration method and device - Google Patents

Solar cogeneration method and device Download PDF

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Publication number
CN106224019A
CN106224019A CN201610714062.8A CN201610714062A CN106224019A CN 106224019 A CN106224019 A CN 106224019A CN 201610714062 A CN201610714062 A CN 201610714062A CN 106224019 A CN106224019 A CN 106224019A
Authority
CN
China
Prior art keywords
decompressor
heating agent
vaporizer
condenser
solar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610714062.8A
Other languages
Chinese (zh)
Inventor
谢学旺
李智
刘秀龙
赵晓利
李静宜
孟金波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Province Power Surveying Design & Research Institute
Original Assignee
Hebei Province Power Surveying Design & Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Province Power Surveying Design & Research Institute filed Critical Hebei Province Power Surveying Design & Research Institute
Priority to CN201610714062.8A priority Critical patent/CN106224019A/en
Publication of CN106224019A publication Critical patent/CN106224019A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/10Final actuators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02Shutting-down responsive to overspeed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00Plants characterised by the engines being structurally combined with boilers or condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/005Hot-water central heating systems combined with solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/02Hot-water central heating systems with forced circulation, e.g. by pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention discloses a kind of solar cogeneration method and device, belong to solar energy thermal-power-generating technical field, including the step after solar energy heating, organic heating agent heated by vaporizer, decompressor utilizes the step of low temperature organic heating agent expansion work, decompressor drives step and the step of low temperature organic heating agent heat radiation heating of generating set generating, it is characterized in that: described heating agent is being flowed into decompressor by three-way solenoid valve and flowed into switching between condenser after being heated by vaporizer, during decompressor is done work by heating agent, when detecting that decompressor exceeds the speed limit, heating agent is switched to condenser by three-way solenoid valve automatically, the present invention carries out cogeneration of heat and power by utilizing solar energy thermal-power-generating technology, and for the decompressor hypervelocity phenomenon occurred, there is emergency shutdown measure in running, avoid device damage.

Description

Solar cogeneration method and device
Technical field
The present invention relates to solar energy thermal-power-generating technical field, especially a kind of solar cogeneration method and device.
Background technology
In solar energy, low-temperature electricity-generating route can be complementary with multiple renewable energy sources with treatment in accordance with local conditions, forms the distributed sun Energy cogeneration of heat and power energy source station, for providing electric energy and heat supply, it is achieved energy step, comprehensive utilization in certain area.
Utilize the focusing heat collection mode of low cost, more mature and reliable, produce the Steam Actuation thermoelectricity of certain pressure parameter Unit acting generating and heat supply, it is achieved the solar energy composite heating power of cogeneration of heat and power utilizes energy resource supply, and this pattern is at heat, electric energy It is very popular that the areas such as the huge Economy Garden of the eastern developed area of breach, offshore islands are consumed in source.
Using solar cogeneration, the stability of its system, practicality and economy are the requirement of the market space, keep Stable through-put power is solar energy low-temperature heat power generation, the direction of heat supply process development with making full use of solar energy.
Summary of the invention
The technical issues that need to address of the present invention are to provide one and utilize solar energy thermal-power-generating to carry out solar cogeneration Method and device.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
Solar cogeneration method, including the step heated by vaporizer by organic heating agent after solar energy heating, decompressor The step of low temperature organic heating agent expansion work, decompressor is utilized to drive step and the heat radiation of low temperature organic heating agent of generating set generating The step of heating, it is characterised in that: described heating agent is flowing into decompressor and inflow by three-way solenoid valve after being heated by vaporizer Switching between condenser, during decompressor is done work by heating agent, when detecting that decompressor exceeds the speed limit, three-way solenoid valve automatically will Heating agent switches to condenser.
Further improvement is that of technical solution of the present invention: the heating medium parameter after being heated by vaporizer does not reaches when requiring, Electromagnetic three-way Vavle switching heating agent is flowed directly into condenser by vaporizer;When heating medium parameter after being heated by vaporizer reaches requirement, Electromagnetic three-way Vavle switching heating agent is flowed into decompressor by vaporizer.
Further improvement is that of technical solution of the present invention: by regulation flow rate of heat medium, control the rotating speed of decompressor;Pass through The cooling water flow of regulation condenser, controls the rate of heat exchange of heating agent.
Solar thermoelectric coproduction device, including solar heat-collection plate, vaporizer, working medium pump, decompressor, generating set, cold Condenser and radiator, the solar energy source of absorption is sent to vaporizer by solar heat-collection plate, and heating agent is delivered to steam by working medium pump Entering decompressor acting after sending out device heating, decompressor drives generating set to generate electricity, after heating agent completes acting in decompressor Entering condenser, radiator is by carrying out heat radiation heating with the heat exchange of condenser, it is characterised in that: also include three-way solenoid valve And speed probe, described electromagnetic three-way valve inlet connects evaporator outlet, and electromagnetic three-way valve outlet port connects decompressor respectively and enters Mouth and condenser inlet, described speed probe is arranged on decompressor.
Further improvement is that of technical solution of the present invention: described evaporator outlet pipeline is provided with temperature sensor, institute Stating condenser inlet pipeline and be provided with pressure transducer I, described expander inlet pipeline is provided with pressure transducer II.
Further improvement is that of technical solution of the present invention: the rotating speed of described working medium pump and the switching of described three-way solenoid valve By controller control, the data that described temperature sensor, pressure transducer I, pressure transducer II and speed probe are measured Being shown by controller acquisition process exporting to display, described display uses touch screen.
Further improvement is that of technical solution of the present invention: also include fluid reservoir, described fluid reservoir entrance connects condenser Outlet, the outlet of described fluid reservoir connects working medium pump entrance, and described heating agent uses organic working medium R245fa or R123 liquid, described storage Flow container outlet is additionally provided with the grease pump that heating agent imports decompressor lubricant housings.
Further improvement is that of technical solution of the present invention: carry out the warning dress reported to the police when being additionally included in decompressor hypervelocity Put.
Further improvement is that of technical solution of the present invention: described radiator carries out heat radiation heating with liquid water for medium, And by feed pump forced circulation.
Further improvement is that of technical solution of the present invention: solar thermoelectric coproduction device is integrated in rectangular frame, institute State and bottom rectangular frame, be provided with roller, and rectangular frame top is provided with hanger.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
The present invention is by utilizing solar energy thermal-power-generating technology to carry out cogeneration of heat and power, and for the decompressor occurred in running Hypervelocity phenomenon has emergency shutdown measure, it is to avoid device damage.
The present invention monitors the heating medium parameter after heating in real time, selects satisfactory heating agent to enter decompressor acting, it is ensured that The efficient stable of decompressor runs, and undesirable heating agent enters condenser heat radiation, reaches effective utilization of heating agent heat energy; The present invention further controls the steady running of decompressor by adjusting the rotating speed of working medium pump, makes decompressor keep optimized operation work Condition;The present invention uses heating agent as the lubricating oil of decompressor, saves lubricating system, reduces system weight and takes up room; The heating system of the present invention uses feed pump forced circulation, can be adjusted the flow of recirculated water, thus can be according to heating agent temperature Degree regulation, for calorific intensity, reaches to make full use of heating agent;The present invention is integrated on a rectangular frame, is moved easily, it is possible to Independent use in the wild.
Accompanying drawing explanation
Fig. 1 is principle of the invention structural representation;
Fig. 2 is perspective view of the present invention;
Wherein, 1, vaporizer, 2, condenser, 3, decompressor, 4, working medium pump, 5, fluid reservoir, 6, three-way solenoid valve, 7, temperature sensing Device, 8, pressure transducer I, 9, pressure transducer II, 10, speed probe, 11, grease pump, 12, generating set, 13, heat radiation Device, 14, feed pump, 15, solar heat-collection plate, 16, controller, 17, rectangular frame, 18, roller.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further details:
As it is shown in figure 1, solar cogeneration method, including by solar energy heating, conduction oil sent into vaporizer 1, vaporizer Step by organic heating medium for heating;Decompressor 3 utilizes the step of low temperature organic heating agent expansion work;Decompressor 3 drives electromotor The step of group 12 generating and the step of low temperature organic heating agent heat radiation heating;Described heating agent passes through electromagnetism three after being heated by vaporizer 1 The switching of logical valve 6 and flow into decompressor 3 and do work or flow into condenser 2 and dispel the heat, during decompressor 3 is done work by heating agent, work as inspection Measuring decompressor 3 when exceeding the speed limit, heating agent is switched to condenser 2 by three-way solenoid valve 6 automatically, it can be avoided that due to super during use The device damage that speed causes.
As it is shown in figure 1, when the heating medium parameter after being heated by vaporizer 1 do not reach require time, three-way solenoid valve 6 switches heating agent Condenser 2 is flowed directly into by vaporizer 1;When the heating medium parameter after being heated by vaporizer 1 reaches requirement, three-way solenoid valve 6 is cut Heat exchange matchmaker is flowed into decompressor 3 by vaporizer 1;Select satisfactory heating agent to enter decompressor 3 to do work, it is ensured that the height of decompressor 3 Effect stable operation, dispels the heat undesirable heating agent entrance condenser 2, reaches effective utilization of heating agent heat energy.
As it is shown in figure 1, by regulation flow rate of heat medium, control the rotating speed of decompressor 3, make decompressor 3 be maintained at the most efficient Run under operating mode;By regulating the cooling water flow of condenser 2, control the rate of heat exchange of heating agent, by changing the stream of cooling water Amount and the back pressure of inflow temperature regulation decompressor 3, when indoor need heat few, send electric energy more, thus realize different heat Electricity ratio demand, reaches maximized application by the heat energy of heating agent.
As shown in Figure 1 and Figure 2, solar thermoelectric coproduction device, including solar heat-collection plate 15, vaporizer 1, decompressor 3, Generating set 12, condenser 2, working medium pump 4 and radiator 13, also include three-way solenoid valve 6 and speed probe 10, described electromagnetism Three-way valve 6 entrance connects vaporizer 1 and exports, and three-way solenoid valve 6 exports and connects decompressor 3 entrance and condenser 2 entrance, institute respectively State speed probe 10 to be arranged on decompressor 3;The solar energy source of absorption is sent to vaporizer 1 by solar heat-collection plate 15, heat Matchmaker is delivered to enter decompressor 3 after vaporizer 1 heats by working medium pump 4 and does work, and decompressor 3 drives generating set 12 to carry out sending out Electricity, heating agent enters condenser 2 after completing acting in decompressor 3, and radiator 13 is by dispelling the heat with the heat exchange of condenser 2 Heating;In power generation process, the rotating speed of decompressor 3 monitored in real time by speed probe 10, when decompressor 3 over speed of rotation phenomenon occur Time, three-way solenoid valve 6 automatically switches, and from flowing into decompressor 3, the heating agent heated by vaporizer 1 is switched to condenser 2, without Decompressor 3 speed of power can reduce rapidly, it is ensured that equipment safety.
As shown in Figure 1 and Figure 2, vaporizer 1 outlet conduit is provided with temperature sensor 7, temperature sensor 7 monitor in real time by The temperature of the heating agent of vaporizer 1 heating;Condenser 2 inlet duct is provided with pressure transducer I 8, and pressure transducer I 8 is supervised in real time Survey the heating agent pressure entering condenser 2;Decompressor 3 inlet duct is provided with pressure transducer II 9, and pressure transducer II 9 is real-time Monitoring enters the heating agent pressure of decompressor 3;The most no matter what kind of flow direction heating agent is in, and all can obtain being added by vaporizer 1 Temperature and pressure parameter after heat, according to temperature and/or the pressure parameter of heating agent, whether control heating agent enters decompressor 3 is done work, Ensure decompressor 3 can the operation of stability and high efficiency, thus ensure the stability that generating set 12 runs.
As shown in Figure 1 and Figure 2, the rotating speed of described working medium pump 4 and the switching of described three-way solenoid valve 6 are controlled by controller 16 System, the data that described temperature sensor 7, pressure transducer I 8, pressure transducer II 9 and speed probe 10 are measured are by control Device 16 acquisition process exporting to display shows, described display uses touch screen.
As shown in Figure 1 and Figure 2, described solar thermoelectric coproduction device also includes fluid reservoir 5, and described fluid reservoir 5 entrance connects Condenser 2 exports, and the outlet of described fluid reservoir 5 connects working medium pump 4 entrance;Quilt condenser 2 is entered from decompressor 3 heating agent out Being condensed into the liquid with certain degree of supercooling, subsequently enter in fluid reservoir 5 and buffer, working medium pump 4 is by the heating agent in fluid reservoir 5 Deliver to vaporizer 1 completes subsequent cycle;Described heating agent uses organic working medium R245fa or R123 liquid, organic working medium R245fa Or R123 liquid can be directly as the lubricating oil of decompressor 3, fluid reservoir 5 outlet is provided with heating agent imports decompressor 3 lubrication portion The grease pump 11 of position, thus realize the lubrication to decompressor 3.
As shown in Figure 1 and Figure 2, described solar thermoelectric coproduction device is additionally included in the report carrying out reporting to the police when decompressor 3 exceeds the speed limit Alarm device, after decompressor 3 exceeds the speed limit, alarm device automatically turns on, to remind staff to note.
As shown in Figure 1 and Figure 2, described radiator 13 uses liquid water to be that medium carries out heat radiation heating, and by feed pump 14 Forced circulation, by the rate of heat exchange of the rotational speed regulation radiator 13 of regulation feed pump 14.
As shown in Figure 1 and Figure 2, solar thermoelectric coproduction device is integrated in rectangular frame 17, bottom described rectangular frame 17 It is provided with roller 18, and rectangular frame 17 top is provided with hanger;Solar thermoelectric coproduction device exists and square as an entirety In shape framework 17, in use without assembling, easy to use;Roller 18 bottom rectangular frame 17 is convenient to be moved on level land, Soar certain altitude by rectangular frame 17 in space shared by roller 18 simultaneously, facilitates fork truck that rectangular frame 17 is forked movement; Rectangular frame 17 top is provided with hanger, is conveniently used for crane handling.
As shown in Figure 1 and Figure 2, decompressor 3 of the present invention is turbo-expander or screw expander.

Claims (10)

1. solar cogeneration method, including the step heated by vaporizer (1) by organic heating agent after solar energy heating, swollen Swollen machine (3) utilizes the step of low temperature organic heating agent expansion work, decompressor (3) to drive generating set (12) step that generates electricity and low The step of temperature organic heating agent heat radiation heating, it is characterised in that: described heating agent passes through three-way solenoid valve after being heated by vaporizer (1) (6) flow into decompressor (3) and flowing into switching between condenser (2), during decompressor (3) is done work by heating agent, work as detection To decompressor (3) exceed the speed limit time, heating agent is automatically switched to condenser (2) by three-way solenoid valve (6).
Solar cogeneration method the most according to claim 1, it is characterised in that: the heat after being heated by vaporizer (1) Matchmaker's parameter does not reaches when requiring, three-way solenoid valve (6) switching heating agent is flowed directly into condenser (2) by vaporizer (1);By vaporizer (1), when the heating medium parameter after heating reaches requirement, three-way solenoid valve (6) switching heating agent is flowed into decompressor (3) by vaporizer (1).
Solar cogeneration method the most according to claim 1 and 2, it is characterised in that: by regulation flow rate of heat medium, control The rotating speed of decompressor processed (3);By the cooling water flow of regulation condenser (2), control the rate of heat exchange of heating agent.
4. solar thermoelectric coproduction device, including solar heat-collection plate (15), vaporizer (1), working medium pump (4), decompressor (3), Generating set (12), condenser (2) and radiator (13), the solar energy source of absorption is sent to evaporation by solar heat-collection plate (15) Device (1), heating agent is delivered to enter decompressor (3) after vaporizer (1) heats by working medium pump (4) and does work, and decompressor (3) drives to be sent out Group of motors (12) generates electricity, heating agent complete in decompressor (3) acting after enter condenser (2), radiator (13) by with The heat exchange of condenser (2) carries out heat radiation heating, it is characterised in that: also include three-way solenoid valve (6) and speed probe (10), Described three-way solenoid valve (6) entrance connects vaporizer (1) outlet, and three-way solenoid valve (6) outlet connects decompressor (3) entrance respectively With condenser (2) entrance, described speed probe (10) is arranged on decompressor (3).
Solar thermoelectric coproduction device the most according to claim 4, it is characterised in that: described vaporizer (1) outlet conduit Being provided with temperature sensor (7), described condenser (2) inlet duct is provided with pressure transducer I (8), and described decompressor (3) enters Mouth pipeline is provided with pressure transducer II (9).
Solar thermoelectric coproduction device the most according to claim 5, it is characterised in that: the rotating speed of described working medium pump (4) and The switching of described three-way solenoid valve (6) is controlled by controller (16), described temperature sensor (7), pressure transducer I (8), pressure The data that force transducer II (9) and speed probe (10) are measured are by controller (16) acquisition process and export to display aobvious Showing, described display uses touch screen.
Solar thermoelectric coproduction device the most according to claim 4, it is characterised in that: also include fluid reservoir (5), described storage Flow container (5) entrance connects condenser (2) outlet, and described fluid reservoir (5) outlet connects working medium pump (4) entrance, and described heating agent uses Organic working medium R245fa or R123 liquid, described fluid reservoir (5) outlet is additionally provided with and heating agent imports decompressor (3) lubricant housings Grease pump (11).
Mobile solar energy reverse osmosis high-pressure pump installation the most according to claim 4, it is characterised in that: it is additionally included in expansion The alarm device reported to the police is carried out during machine (3) hypervelocity.
Solar thermoelectric coproduction device the most according to claim 4, it is characterised in that: described radiator (13) is with liquid water Heat radiation heating is carried out for medium, and by feed pump (14) forced circulation.
10. according to the solar thermoelectric coproduction device according to any one of claim 4~9, it is characterised in that: solar generator Combined production device is integrated in rectangular frame (17), and described rectangular frame (17) bottom is provided with roller (18), and rectangular frame (17) top is provided with hanger.
CN201610714062.8A 2016-08-24 2016-08-24 Solar cogeneration method and device Pending CN106224019A (en)

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Application Number Priority Date Filing Date Title
CN201610714062.8A CN106224019A (en) 2016-08-24 2016-08-24 Solar cogeneration method and device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107140714A (en) * 2017-06-22 2017-09-08 济南市琦泉热电有限责任公司 A kind of utilization heating water return waste heat improves the equipment and technique of reverse osmosis efficiency

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CN104314631A (en) * 2014-08-15 2015-01-28 国核柏斯顿新能源科技(北京)有限公司 System for generating power in non heating season by low-temperature nuclear heat reactor and working method of system
CN204574604U (en) * 2015-02-26 2015-08-19 天津大学 The novel Organic Rankine Cycle cold, heat and power triple supply system that a kind of living beings drive
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CN102142794A (en) * 2010-02-02 2011-08-03 郑金祥 Automatic focusing structure for solar heat power generation and clustered power generation device
CN102242697A (en) * 2010-05-11 2011-11-16 北京智慧剑科技发展有限责任公司 Distributed-type non-tracking solar power generation and poly-generation system
CN101871440A (en) * 2010-06-13 2010-10-27 上海交通大学 Solar energy-natural gas complementary injection type distributed combined cold heat and power supply device
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CN107140714B (en) * 2017-06-22 2020-05-12 济南市琦泉热电有限责任公司 Equipment and process for improving reverse osmosis efficiency by using waste heat of heating return water

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