CN207865424U - Heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system - Google Patents
Heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system Download PDFInfo
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- CN207865424U CN207865424U CN201721574131.6U CN201721574131U CN207865424U CN 207865424 U CN207865424 U CN 207865424U CN 201721574131 U CN201721574131 U CN 201721574131U CN 207865424 U CN207865424 U CN 207865424U
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model provides a kind of heat pipe heat exchanging twin furnace biomass boiler driving Organic Rankine Cycle distributed heat chp system, belongs to energy and environment technical field.Including twin furnace biological boiler heat pipe heat exchanging system, twin furnace biomass boiler heat transfer fluid circulation circuit, twin furnace biomass boiler smoke evacuation circuit, Organic Rankine Cycle circuit, heat supply water loop, chilled(cooling) water return (CWR).With heat exchange efficiency height, heat pipe is replaced convenient, the advantages that can avoid heat exchanger tube corrosion and being not easy to change and influence heat exchange efficiency and working medium leakage, in addition to this, the temperature of furnace outlet fluid can also be improved, make up the low disadvantage of biomass calorific value, suitable for a variety of biomass fuels, ensure the stability and high efficiency of energy source conversion system, and realization is to the cascade utilization of heat, substantially reduce cost, improve the utilization ratio of energy, generating efficiency and gross generation, save material and cost, improve system reliability and safety, it is easy to implement personalized distributed generation system.
Description
Technical field
The utility model is related to a kind of heat pipe heat exchanging twin furnace biomass boilers to drive Organic Rankine Cycle distribution thermoelectricity
Co-feeding system belongs to energy and environment technical field.
Background technology
With the high speed development of social economy, China quickly increases the demand of the energy, however stored on the earth can
Two century-old left and right can only be supplied for the coal of utilization, and oil and natural gas resource can only supply three, 40 years, while fossil
The a large amount of of the energy are exploited and are also on the rise using the environmental pollution and greenhouse effects problem brought.In recent years, in energy-saving and emission-reduction
The main trend be constantly rooted in the hearts of the people of thought under, regenerative resource is just gradually concerned by people.Biomass is as a kind of
Have the characteristics that " zero-emission ", renewable, amount of storage is big, Land use systems diversification regenerative resource, in current energy field
It occupies an important position.Biomass energy is unique reproducible carbon source, and the regenerative resource that uniquely can be stored and transport, quilt
It is considered that the potential alternative energy source of fossil fuel, Efficient Conversion and clean utilization technology are of increasing concern.
There is abundant biomass resource in China, according to statistics China rural area only straw discarding amount just be up to 700,000,000 tons (calorific value is about
10.2 × 1015kJ), nearly 200,000,000 tons of Foresty industry waste (calorific value about 3.1 × 1015kJ) still has the agricultures such as a large amount of rice husk, stalk
Industry waste.It is recycled if these wastes are unreasonable, ring will be become and do harm to substance.Yunnan Province also possesses abundant life
Substance energy resource, the whole province grow cane 4,150,000 mu every year, 4,000,000 tons of annual bagasse yield or more, the whole province's maize sown area
About 17,700,000 mu, produce 12400000 tons of maize straw per year.It is estimated that 4450.5 ten thousand mu of the whole province's cultivated area, annual agricultural product production
25,000,000 tons of stalk can be provided.3.64 hundred million mu of the whole province's forest land occupies national second, is one of national four big forest farms, often
About 22,000,000 tons of year forestry waste available resources amount, it is about 11,000,000 tons to be converted into mark coal.Abundant biomass resource is
Solid foundation has been established in the utilization of national biomass energy.Biomass energy is occupied very important in national energy resources
Status, Bio-energy Development have huge potentiality.Biomass generation is greatly developed for alleviating current power supply not
Enough, increase farmers' income and reduce environmental pollution etc. has a very important significance.
Some less-developed remote districts of China, especially some pastoral areas and western minorities, do not have concentration also
Condition of power supply or supply of electric power wretched insufficiency, but these areas mostly there is large amount of biomass energy can provide utilization.Utilize biomass
The low boiling point organic working medium (conduction oil) in energy heats steam generator is generated, the higher steam of pressure is generated, into turbine
(or expanding machine) expansion work exports power or drives excitation generator output power, that is, utilization Organic Rankine Cycle (ORC,
Organic Rankine Cycle) heat-work(conversion is carried out, it can be achieved that biomass generates thermal energy conversion electric energy and thermal energy.Obviously,
Heat pipe heat exchanging twin furnace biomass boiler provided by the utility model drives Organic Rankine Cycle distributed heat chp system, has
Effect ground realizes distributed energy using biomass energy renewable energy and supplies.Compared with centralized energy supply system, distribution
Formula system has following clear superiority：Drastically reduce electric line loss；Without building power distribution station, power transmission and distribution can be reduced
Cost；Demand of the system according to user to heat or electricity can be made to be adjusted, improve the flexibility of energy supply system；Civil engineering and
Installation cost is low；Each power supply unit is mutual indepedent, and user can voluntarily control, and massive blackout accident will not occur, and power supply is reliable
Property improve；It can be remotely controlled monitoring device operating condition, realize unattended, saving operating cost；It is suitble to that some should not be collected
Middle power supply or the insufficient area of supply of electric power provide electric power, as mountain area, pastoral area, fragmentary island, farmers' of living scattered, remote geological park,
High military base etc. is required power supply safety.Especially when current network load rapidly surges, customer charge it is huge
Great fluctuation process brings very big threat to the safety and stablization of central power supply system, and the power supply of various forms of small distributeds is
System makes the tie-bulk power grid most important and extremely fragile to national economy, national security, no longer isolated and clumsy.
Heat pipe heat exchanging twin furnace biomass boiler is effectively combined realization with Organic Rankine Cycle by the utility model
The temperature of furnace outlet fluid can be improved in cogeneration, makes up the low disadvantage of biomass calorific value, it is ensured that energy source conversion system it is steady
Qualitative and high efficiency, and realize to the cascade utilization of heat, cost is substantially reduced, the utilization ratio of energy is improved, improves power generation
Efficiency and gross generation save material and cost, improve system reliability and safety, are easy to implement personalized distribution
Electricity generation system.
Invention content
The purpose of this utility model is to provide a kind of heat pipe heat exchanging twin furnace biomass boiler driving Organic Rankine Cycle point
Cloth cogeneration system uses heat pipe heat exchanging twin furnace biomass boiler to improve the temperature of furnace outlet fluid, makes up life
The low disadvantage of substance calorific value is suitable for a variety of biomass fuels, the cascade utilization to heat is realized, to solve environmental pollution, energy
The problems such as source utilization rate is low, generating efficiency is low.
The technical issues of solution the utility model, used scheme was：A kind of heat pipe heat exchanging twin furnace biomass boiler drive
Dynamic Organic Rankine Cycle distributed heat chp system includes twin furnace biological boiler heat pipe heat exchanging system, twin furnace biomass pot
Stove heat transfer fluid circulation circuit, twin furnace biomass boiler smoke evacuation circuit, Organic Rankine Cycle circuit, heat supply water loop, cooling
Water loop.Twin furnace biological boiler heat pipe heat exchanging system is by high-temperature heat pipe (2), Cryo Heat Tube (3), twin furnace biomass boiler
(1) it being constituted with drum (4), high-temperature heat pipe (2) and Cryo Heat Tube (3) lower end evaporator section are placed in twin furnace biomass boiler,
Upper end condensation segment is placed in drum (4), and drum (4) interior heat-transfer fluid carries out heat exchange with Cryo Heat Tube (3) first and absorbs heat,
Then it carries out heat exchange with high-temperature heat pipe (2) and absorbs heat；Twin furnace biomass boiler heat transfer fluid circulation circuit includes drum
(4), evaporator (5), heat transfer fluid circulation pump (6) and pipeline, drum (4) are connect by pipeline with evaporator (5), heat-transfer fluid
Circulating pump (6) is connected to by pipeline between evaporator (5) outlet and drum (4)；Twin furnace biomass boiler smoke evacuation circuit packet
Include air preheater (7), burning air blower (8), heat supply water preheater (15), smoke exhaust fan (16), chimney (17), air
Preheater (7) one end is connect with heat-transfer fluid/exhaust heat exchanger (4) in heat transfer fluid circulation circuit, the other end and supplying hot water
Preheater (15) connects, and smoke exhaust fan (16) is connect with heat supply water preheater (15)；Organic Rankine Cycle circuit includes turbine
(9), generator (10), regenerator (11), condensation/vaporization device (12), fluid reservoir (13), force (forcing) pump (14) and pipeline, turbine (9)
One end is connect by pipeline with the evaporator (5) in heat transfer fluid circulation circuit, and the other end is connect with generator (10), regenerator
(11) one end is connect by pipeline with evaporator (5), and the other end is connect by pipeline with condensation/vaporization device (12), condensation/vaporization
Device (12) is connect with fluid reservoir (13), and force (forcing) pump (14) one end is connect with fluid reservoir (13), the other end by regenerator (11) with
Evaporator (5) connects；Heating water circuit includes back water pump and heat user, and back water pump is discharged fume by twin furnace biomass combustion furnace
Heat supply water preheater (15) in circuit is connect with heat user；Chilled(cooling) water return (CWR) includes cooling tower (18), condenser (12), cooling
Water pump is connect by the condenser (12) in Organic Rankine Cycle circuit with cooling tower.
The twin furnace biomass boiler heat pipe heat exchanging system carries out step heating to heat-transfer fluid in drum, realizes heat
The cascade utilization of amount improves the temperature of furnace outlet fluid.
The high-temperature heat pipe and Cryo Heat Tube are two-phase thermo-siphon pipe, and evaporation and condensation segment are equipped with the wing of augmentation of heat transfer
Piece.
The biomass boiler divides twin furnace to burn, reduce heat transfer space, make its fully with high-temperature heat pipe and Cryo Heat Tube
It exchanges heat, improves the thermal efficiency, avoid waste of fuel and cost-effective.
The twin furnace biomass boiler is adjustable, and one of stove can be only burnt depending on biomass fuel calorific value
Thorax, can also twin furnace all burn.Under operating mode of the biomass calorific value less than design value, twin furnace is needed to provide heat by heat transfer stream
Body is heated to design temperature；Under operating mode of the biomass calorific value higher than design value, a wherein burner hearth is closed, it is only necessary to which single burner hearth carries
Heat-transfer fluid is heated to design temperature by heating load, and thus twin furnace biomass boiler can be adapted for a variety of biomass fuels,
And cascade utilization thermal energy can make up the low disadvantage of biomass calorific value.
Two different biomass fuels of hearth combustion may be implemented in the twin furnace biomass boiler, can burn same
Kind biomass fuel, operability are strong.
The working medium type that this system is selected according to organic rankine cycle system, power generation capacity and heating demand on demand are matched
It is standby and install twin furnace biomass boiler, drum, high-temperature heat pipe, Cryo Heat Tube, organic working medium circulating pump, working medium force (forcing) pump, row
Gas bleeder heater, turbine, excitation generator, heat supply water heater, coagulator, hot water preheater, smoke exhaust fan, cooling tower etc.
Equipment and pipeline and accessory；The charging amount that cycle fluid is calculated according to the pipe volume of Organic Rankine Cycle, by cycle fluid meter
Amount is filled in circulation line.
This system operation principle is：The hypomere (evaporator section) of high-temperature heat pipe 2 and Cryo Heat Tube 3 is placed in twin furnace biomass pot
In stove 1 so that the heat of 1 biomass combustion of twin furnace biomass boiler is transmitted to the evaporation of Cryo Heat Tube 3 and high-temperature heat pipe 2 respectively
Section, for the working solution in Cryo Heat Tube 3 and high-temperature heat pipe 2 by heating evaporation, the epimere for flowing to Cryo Heat Tube 3 and high-temperature heat pipe 2 is (cold
Solidifying section), heat-transfer fluid carries out first time heat exchange in 3 condensation segment of Cryo Heat Tube and drum 4, is then condensed in high-temperature heat pipe 3
Section carries out second of heat exchange with heat-transfer fluid in drum 4, and the working solution in Cryo Heat Tube 3 and high-temperature heat pipe 2 is cooled later
Evaporator section is flowed back to again.Heat transfer fluid circulation circuit, the heat-transfer fluid come out from evaporator 5, after 6 pressurization of heat transfer fluid circulation pump
Into drum 4, enters evaporator 5 by the high temperature heat transfer fluid heated twice and carried out with the working medium in Organic Rankine Cycle circuit
Direct contact heat transfer transfers heat to organic working medium, makes its carburation by evaporation；Working medium in Organic Rankine Cycle circuit is being steamed
After sending out the heat absorption vaporization of device 5, divide two-way：Workmanship output shaft work is expanded into turbine 9 all the way, driving generator 10 generates electricity, when working medium is steamed
When the pressure of driving turbine 9 is not achieved in steam pressure, then from addition being bypassed all the way without turbine 9, two-way all enters regenerator 11
Preheating, working medium enter condenser/evaporator 12 after being come out from regenerator 11 and condense, and fluid reservoir 13 are flowed into, then from fluid reservoir 13
Out enter after regenerator 11 preheats by force (forcing) pump 14 and come back to evaporator 5 again as steam, completes a cycle；It is double
Burner hearth biomass boiler smoke-exhaust pipeline is as follows：Flue gas enters heat-transfer fluid/smoke evacuation after being come out from twin furnace biomass combustion boiler 1
Heat exchanger 4 preheats heat-transfer fluid, later enter air preheater 7, to from burning air blower come out air into
Row preheating, enters back into heat supply water preheater 15 and is heated to return water later, most drains into chimney 17 through the pressurization of smoke exhaust fan 16 afterwards；
Heat supply water loop：The return water come from heat user is delivered to heat supply water preheater 15 through back water pump and completes heating process；Cooling water returns
Lu Wei：The cooling water come out from cooling tower 18 through cooling water pump be delivered to condenser 12 to the working medium in Organic Rankine Cycle circuit into
Row condensation, returns to the water supply pipe of cooling tower 18 later, and bottom of tower water-collecting tray is entered after supercooling, completes a cycle.
This system has the advantages that：
(1) the multiple low grade fuel-efficient of resource very abundant can be converted to electric energy, while realizes and user is carried
Supplying hot water；
(2) it uses twin furnace biomass boiler heat pipe heat exchanging system to heat the step of heat-transfer fluid in drum, realizes
The cascade utilization of heat improves the temperature of furnace outlet fluid.High-temperature heat pipe and Cryo Heat Tube are two-phase thermo-siphon pipe, evaporation
The fin of augmentation of heat transfer is equipped with condensation segment.
(3) twin furnace biomass boiler is adjustable, and one of burner hearth can be only burnt depending on biomass fuel calorific value,
Can also twin furnace all burn.Under operating mode of the biomass calorific value less than design value, twin furnace is needed to provide heat by heat-transfer fluid
It is heated to design temperature；Under operating mode of the biomass calorific value higher than design value, a wherein burner hearth is closed, it is only necessary to which single burner hearth provides
Heat-transfer fluid is heated to design temperature by heat, and thus twin furnace biomass boiler can be adapted for a variety of biomass fuels, and
And cascade utilization thermal energy can make up the low disadvantage of biomass calorific value.
(4) biomass boiler divides twin furnace to burn, and reduces heat transfer space, make its fully with high-temperature heat pipe and Cryo Heat Tube into
Row heat exchange, improves the thermal efficiency, avoids waste of fuel and cost-effective.And two burner hearths may be implemented in twin furnace biomass boiler
Burn different biomass fuels, and can burn same biomass fuel, and operability is strong.
(5) cogeneration process ring evil substance C O is significantly reducedX、SOXGeneration and discharge；
(6) it is easy to implement personalized distributed heat chp system, meets the technological requirement of modernization.
Description of the drawings
Fig. 1 is Tthe utility model system schematic diagram.
In figure：1- twin furnace biomass boilers；2- high-temperature heat pipes；3- Cryo Heat Tubes；4- drums；5- evaporators；6- conducts heat
Fluid circulation pump；7- air preheaters；8- air pumps；9- turbines；10- generators；11- regenerators；12- condensers；13- liquid storages
Tank；14- force (forcing) pumps；15- heat supply water preheaters；16- smoke exhaust fans；17- chimneys；18- cooling towers.
Specific implementation mode
Below in conjunction with drawings and examples, the utility model is further elaborated, but the scope of protection of the utility model
It is not limited to the content.
Embodiment 1：It is distributed that a kind of heat pipe heat exchanging twin furnace biomass boiler driving Organic Rankine Cycle is built in somewhere
Cogeneration system, the cogeneration system generated output power are 300Kw, supply 45~50 DEG C of health hot water 75m3。
This heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system, including twin furnace
Thorax biological boiler heat pipe heat exchanging system, twin furnace biomass boiler heat transfer fluid circulation circuit, the smoke evacuation of twin furnace biomass boiler
Circuit, Organic Rankine Cycle circuit, heat supply water loop, chilled(cooling) water return (CWR).Twin furnace biological boiler heat pipe heat exchanging system is by high temperature
Heat pipe, Cryo Heat Tube, twin furnace biomass boiler and drum are constituted, and high-temperature heat pipe and Cryo Heat Tube lower end evaporator section are placed in twin furnace
In thorax biomass boiler, the upper end condensation segment is placed in drum, and heat-transfer fluid carries out heat exchange with Cryo Heat Tube first in drum
Heat is absorbed, then carrying out heat exchange with high-temperature heat pipe absorbs heat；It wraps in twin furnace biomass boiler heat transfer fluid circulation circuit
It includes drum, evaporator, heat transfer fluid circulation pump and pipeline, drum to connect with evaporator by pipeline, heat transfer fluid circulation pump is logical
Piping is connected between evaporator outlet and drum；Twin furnace biomass boiler smoke evacuation circuit includes air preheater, burning
Air blower, heat supply water preheater, smoke exhaust fan, chimney, air preheater one end and the biography in heat transfer fluid circulation circuit
Hot fluid/exhaust heat exchanger connection, the other end are connect with heat supply water preheater, and smoke exhaust fan is connect with heat supply water preheater；Have
Machine Rankine cycle circuit includes turbine, generator, regenerator, condensation/vaporization device, fluid reservoir, force (forcing) pump and pipeline, turbine one end
It is connect with the evaporator in heat transfer fluid circulation circuit by pipeline, the other end is connect with generator, and regenerator one end passes through pipe
Road is connect with evaporator, and the other end is connect by pipeline with condensation/vaporization device, and condensation/vaporization device is connect with fluid reservoir, force (forcing) pump
One end is connect with fluid reservoir, and the other end is connect by regenerator with evaporator；Heating water circuit includes back water pump and heat user,
Back water pump is connect by the heat supply water preheater in twin furnace biomass combustion furnace smoke evacuation circuit with heat user；It wraps chilled(cooling) water return (CWR)
Cooling tower, condenser are included, cooling water pump is connect by the condenser in Organic Rankine Cycle circuit with cooling tower.
Working solution in this system heat pipe 2 is that the latent heat of vaporization and thermal coefficient are higher, saturation pressure and boiling point are appropriate, viscosity
Softening desalination water that is relatively low, having good stability and have larger surface tension and wetting capillary structure ability.It is given birth to according to 2t twin furnaces
Substance boiler, high-temperature heat pipe and Cryo Heat Tube use the two-phase thermo-siphon pipe totally 950 of long 5m, the upper and lower section of every thermal siphon
It is upper to have 40 enhanced heat transfer fins respectively, the softening desalination water of 20%V (heat pipe volume) is inoculated in pipe.High-temperature heat pipe and Low Temperature Thermal
Water in pipe absorbs the heat in twin furnace biomass boiler and the water evaporation in making its capillary materials in evaporator section, steam flow
Condensation segment carries out heat exchange in the heat-conducting oil fluid of condensation segment and drum 4, makes evaporation and condensation at liquid due to being cooled
Body, working fluid water flow back to evaporator section along porous material by capillary force effect again.
This system heat transfer fluid circulation loop heat transfer fluid synthesizes conduction oil using the first promise of excellent stability, after heated
Hot oil temperature be 320 DEG C, heat transfer fluid circulation circuit includes that drum, evaporator, heat transfer fluid circulation pump and pipeline, drum are logical
Piping is connect with evaporator, and heat transfer fluid circulation pump is connected to by pipeline between evaporator outlet and drum.
This system heat pipe heat exchanging twin furnace biomass combustion boiler smoke evacuation circuit includes air preheater, supplying hot water preheating
Device, smoke exhaust fan；Air preheater one end is connect with heat-transfer fluid/exhaust heat exchanger in heat transfer fluid circulation circuit, another
End is connect with heat supply water preheater, and smoke exhaust fan is connect with heat supply water preheater；Heating water circuit includes back water pump and user,
Back water pump is connect by the heat supply water preheater in twin furnace biomass combustion boiler smoke evacuation circuit with user；It wraps chilled(cooling) water return (CWR)
Include cooling tower, cooling water pump；Cooling water pump is connect by the condenser in low-temperature level Organic Rankine Cycle circuit with cooling tower.
This system heat pipe heat exchanging twin furnace biomass combustion boiler comburant uses maize straw, and generating dutation is by annual
It counts within 6000 hours, needs within 1 year 2030 tons of maize straw, a variety of biomass fuels can also be used；It is less than in biomass calorific value and sets
Under the operating mode of evaluation, needs twin furnace to provide heat and heat-transfer fluid is heated to design temperature；In biomass calorific value higher than design
Under the operating mode of value, a wherein burner hearth is closed, it is only necessary to which single burner hearth provides heat and heat-transfer fluid is heated to design temperature；
This system heating water circuit uses PPR hot-water lines, and the cooling water circulation flow of cooling circuit is 800m3/ h is raw
The pipeline in substance combustion fire grate cigarette circuit is welded with 2mm hot rolled steel plates.
Embodiment 2：This heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system
It is same as Example 1, comburant in used twin furnace biomass boiler be biodiesel, gasification of biomass combustible gas,
Any one or several any mixture in burning diesel oil, heavy oil, methanol, ethyl alcohol, methane, natural gas, coal gas, dimethyl ether.
Embodiment 3：This heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system
Same as Example 1, used Organic Rankine Cycle working medium is toluene, pentane R601, tetrafluoroethane R134a, butane, isobutyl
Alkane, pentane, isopentane, pentamethylene, 8 methyl, 3 siloxanes, any one or several any mixture in 10 methyl, 4 siloxanes.
Embodiment 4：This heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system
Same as Example 1, used Organic Rankine Cycle working medium is toluene, trifluorobichloroethane R123, propane R290, five fluorine third
Alkane R245fa, pentane R601, isopentane R601a, pentane (C5H12), n-hexane (C6H14), butane R600, iso-butane R600a,
Tetrafluoroethane R134a presses 10%, 15%, 5%, 6%, 8%, 11%, 5%, 7%, 5%, 18%, 10% volume ratio respectively
It mixes.
Claims (6)
1. a kind of heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system, feature to exist
In：Including twin furnace biological boiler heat pipe heat exchanging system, twin furnace biomass boiler heat transfer fluid circulation circuit, twin furnace biology
Matter boiler exhaust gas circuit, Organic Rankine Cycle circuit, heat supply water loop, chilled(cooling) water return (CWR), twin furnace biological boiler heat pipe heat exchanging
System is by high-temperature heat pipe（2）, Cryo Heat Tube（3）, twin furnace biomass boiler（1）And drum（4）It constitutes, high-temperature heat pipe（2）With
Cryo Heat Tube（3）Lower end evaporator section is placed in twin furnace biomass boiler, and the upper end condensation segment is placed in drum（4）In, drum（4）
Interior heat-transfer fluid first with Cryo Heat Tube（3）Carry out heat exchange absorb heat, then with high-temperature heat pipe（2）Carry out heat exchange absorption
Heat；Twin furnace biomass boiler heat transfer fluid circulation circuit includes drum（4）, evaporator（5）, heat transfer fluid circulation pump（6）
And pipeline, drum（4）Pass through pipeline and evaporator（5）Connection, heat transfer fluid circulation pump（6）It is connected to evaporator by pipeline
（5）Outlet and drum（4）Between；
Twin furnace biomass boiler smoke evacuation circuit includes air preheater（7）, burning air blower（8）, heat supply water preheater
（15）, smoke exhaust fan（16）, chimney（17）, air preheater（7）One end and heat-transfer fluid/row in heat transfer fluid circulation circuit
Cigarette heat exchanger connects, the other end and heat supply water preheater（15）Connection, smoke exhaust fan（16）With heat supply water preheater（15）Connection；
Organic Rankine Cycle circuit includes turbine（9）, generator（10）, regenerator（11）, condenser（12）, fluid reservoir（13）, pressurization
Pump（14）And pipeline, turbine（9）One end passes through the evaporator in pipeline and heat transfer fluid circulation circuit（5）Connection, the other end with
Generator（10）Connection, regenerator（11）One end is connect by pipeline with evaporator (5), and the other end passes through pipeline and condenser
（12）Connection, condenser（12）With fluid reservoir（13）Connection, force (forcing) pump（14）One end and fluid reservoir（13）Connection, the other end pass through
Regenerator（11）With evaporator（5）Connection；Heating water circuit includes back water pump and heat user, and back water pump passes through twin furnace biology
Heat supply water preheater in matter combustion furnace smoke evacuation circuit（15）It is connect with heat user；Chilled(cooling) water return (CWR) includes cooling tower（18）, it is cold
Condenser（12）, cooling water pump passes through the condenser in Organic Rankine Cycle circuit（12）It is connect with cooling tower.
2. a kind of heat pipe heat exchanging twin furnace biomass boiler according to claim 1 drives Organic Rankine Cycle distributed heat
Chp system, it is characterized in that：The twin furnace biomass boiler heat pipe heat exchanging system carries out step to heat-transfer fluid in drum
Heating realizes the cascade utilization of heat, improves the temperature of furnace outlet fluid.
3. a kind of heat pipe heat exchanging twin furnace biomass boiler according to claim 1 drives Organic Rankine Cycle distributed heat
Chp system, it is characterized in that：The high-temperature heat pipe and Cryo Heat Tube are two-phase thermo-siphon pipe, and evaporation and condensation segment are equipped with
The fin of augmentation of heat transfer.
4. a kind of heat pipe heat exchanging twin furnace biomass boiler according to claim 1 drives Organic Rankine Cycle distributed heat
Chp system, it is characterized in that：The biomass boiler divides twin furnace to burn, and reduces heat transfer space, it is made fully to be warmed with height
Pipe and Cryo Heat Tube exchange heat.
5. a kind of heat pipe heat exchanging twin furnace biomass boiler according to claim 3 drives Organic Rankine Cycle distributed heat
Chp system, it is characterized in that：The twin furnace biomass boiler is adjustable, can only be burnt depending on biomass fuel calorific value
One of burner hearth, can also twin furnace all burn, biomass calorific value less than design value operating mode under, need twin furnace provide heat
Heat-transfer fluid is heated to design temperature by amount；Under operating mode of the biomass calorific value higher than design value, a wherein burner hearth is closed, is only needed
It wants single burner hearth to provide heat and heat-transfer fluid is heated to design temperature.
6. a kind of heat pipe heat exchanging twin furnace biomass boiler according to claim 1 drives Organic Rankine Cycle distributed heat
Chp system, it is characterized in that：The twin furnace biomass boiler may be implemented two burner hearths and burn different biomass fuels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574131.6U CN207865424U (en) | 2017-11-22 | 2017-11-22 | Heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574131.6U CN207865424U (en) | 2017-11-22 | 2017-11-22 | Heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system |
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| CN201721574131.6U Expired - Fee Related CN207865424U (en) | 2017-11-22 | 2017-11-22 | Heat pipe heat exchanging twin furnace biomass boiler drives Organic Rankine Cycle distributed heat chp system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095562A (en) * | 2019-04-23 | 2019-08-06 | 云南农业大学 | Dual-Phrase Distribution of Gas olid visualization combustion furnace and corrosion chamber with purging function |
| CN110118359A (en) * | 2019-04-16 | 2019-08-13 | 天津大学 | A kind of combustion electricity complementary type heating peak system for thermal substation |
| CN110410166A (en) * | 2019-08-02 | 2019-11-05 | 嘉兴学院 | A kind of non-azeotropic mixed working medium direct contact heat transfer electricity generation system |
-
2017
- 2017-11-22 CN CN201721574131.6U patent/CN207865424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118359A (en) * | 2019-04-16 | 2019-08-13 | 天津大学 | A kind of combustion electricity complementary type heating peak system for thermal substation |
| CN110095562A (en) * | 2019-04-23 | 2019-08-06 | 云南农业大学 | Dual-Phrase Distribution of Gas olid visualization combustion furnace and corrosion chamber with purging function |
| CN110410166A (en) * | 2019-08-02 | 2019-11-05 | 嘉兴学院 | A kind of non-azeotropic mixed working medium direct contact heat transfer electricity generation system |
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