CN203335151U - Organic Rankine cycle heat engine device based on a plurality of expanders - Google Patents
Organic Rankine cycle heat engine device based on a plurality of expanders Download PDFInfo
- Publication number
- CN203335151U CN203335151U CN2013202444794U CN201320244479U CN203335151U CN 203335151 U CN203335151 U CN 203335151U CN 2013202444794 U CN2013202444794 U CN 2013202444794U CN 201320244479 U CN201320244479 U CN 201320244479U CN 203335151 U CN203335151 U CN 203335151U
- Authority
- CN
- China
- Prior art keywords
- outlet
- entrance
- way valve
- decompressor
- working medium
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses an organic Rankine cycle heat engine device based on a plurality of expanders. The organic Rankine cycle heat engine device based on a plurality of expanders comprises an expansion mechanism and a cycle loop, wherein the expansion mechanism comprises N expanders and three-way valves which are connected with the expanders, the N is a natural number above 1, and the expanders are connected in series or in parallel. The expansion mechanism uses a series operation mode of the expanders or a parallel operation mode of the expanders or an operation of single expanders according to expansion ratio. The organic Rankine cycle heat engine device based on the expanders can increase and reduce number of the expanders according to work conditions, and can achieve a series operation mode or a parallel operation mode or a single operation mode by controlling a valve, thereby meeting the requirements to flow rate, being capable of effectively solving the operation problem of a heat engine device caused because the models of the expanders can not meet the requirements of work conditions, being capable of achieving energy conservation and emission reduction, and improving operation efficiency.
Description
Technical field
The utility model relates to a kind of organic Rankine cycling hot machine that uses a plurality of decompressors, this device circulates based on organic Rankine, include thermal expansion again and the nothing form of thermal expansion again, adopt the low grade heat energies such as the extensive solar energy existed, geothermal power, industrial waste heat as heat resource power generation.
Background technique
Constantly soaring along with fossil energy consumptions such as coal, oil, rock gases, and the environmental pressure brought due to energy consumption (as CO2 emission etc.), the energy and environmental problem have become the common significant problem of paying close attention in the whole world.Under this background, use the organic Rankine circulation that tow taste heat is converted to electric energy and caused increasing concern.So-called organic Rankine circulation adopts organic working medium (as R113, R123 etc.) to replace water to promote the decompressor acting as working medium in traditional Rankine cycle.
In recent years, the research work of organic Rankine circulation is at home and abroad carried out energetically, and it is the ideal style that utilizes low grade heat energy.As far back as 1966, just have the scholar to write articles and point out to utilize the organic Rankine circulation to reclaim low grade heat energy, the Rankine cycle that the freon of take between a period of time is working medium recovery low grade heat energy has caused various countries scholars' extensive attention.China started organic Rankine is looped to research from the eighties in 20th century.After the Kyoto Protocol in 1997 is released, the cry of the new working medium of development environmental protection is more and more higher, and late 1990s has also been stepped into a new stage to the research of organic Rankine cycle fluid after entering this century.The organic Rankine circulation is similar to the steam Rankine cycle, different is that the working medium that the organic Rankine circulation is used is organic substance, because organic boiling point is lower, under identical evaporating temperature, gas density is larger, and under same mass flow rate, the organic working medium volume flowrate is less, thereby the volume of decompressor is also less, is more suitable for production.
General temperature levels difference of pressing the waste heat carrier, residual heat resources are divided into to three kinds: high-temperature residual heat (more than 500 ℃), middle temperature waste heat (between 200-500 ℃) and low temperature exhaust heat (below 200 ℃), in general, if the temperature of heat energy is lower than 370 ℃, it will be counted as low-grade or medium grade heat energy.Recovery and utilization to middle-low temperature heat have important practical significance, if in a conventional manner, and the Rankine cycle that the water of take is working medium, recycle waste heat with low grade heat energy steam turbine power generation unit, because cycle efficiency is low, system complex, its economic benefit is very limited.Utilize organic rankie cycle (ORC) or claim two circulations utilize in, low-temperature cogeneration or power is provided; both realize the energy recovery utilization, under identical output condition, reduced the discharge of the pollutants such as carbon dioxide again; be conducive to environmental protection, the current people of being subject to pay close attention to greatly.Simultaneously, the energy that organic Rankine circulation (ORC) is low in the grade of utilizing occurring in nature, as aspects such as too firm energy, underground heat, ocean thermal energies, also have many application examples.
But, in existing organic Rankine circulation, there are two problems aspect expansion, the one, the expansion ratio expanded is too high, and the expansion ratio that general decompressor allows is 5, is not suitable for too high expansion ratio, the one, the flow of system is too high, because the peak rate of flow of decompressor determines, for larger flow, a decompressor can not meet the demands.Various working requires to cause a kind of decompressor Placement can not meet operating conditions.Aspect the taking full advantage of of heat, the gas working medium after expansion is in superheat state, and its heat often can not get effective utilization.Aspect the temperature that improves thermal source, often be faced with temperature not high enough, cause the problem that cycle efficiency is low.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of organic Rankine cycling hot machine based on a plurality of decompressors is provided, this device adopts a kind of expansion mechanism, comprise a plurality of decompressors, decompressor is according to the service condition difference, adopt different Placements, being respectively the decompressor of heat again is connected in series, be connected in parallel and be applicable to the single decompressor of small flow without the decompressor of heat again, and be provided with internal exchanger, the parts of a series of raising device performances such as the regenerator that draws gas, preheater, fully energy-saving and emission-reduction.
The utility model specifically solves the problems of the technologies described above by the following technical solutions:
A kind of organic Rankine cycling hot machine based on a plurality of decompressors, comprise expansion mechanism and circulation loop, and described expansion mechanism comprises N decompressor and the three-way valve be connected with decompressor, and wherein N is the natural number more than 1; Described N decompressor adopts and is connected in series or is connected in parallel; Described expansion mechanism adopts the mode of decompressor series operation or decompressor parallel running or the operation of single decompressor according to expansion ratio.
As a kind of preferred version of the present utility model: also comprise total generator, described total generator is connected with expansion mechanism.
As a kind of preferred version of the present utility model: described expansion mechanism also comprises the generator be connected with each decompressor.
As a kind of preferred version of the present utility model: when described decompressor adopts the series operation mode, expansion mechanism also comprises for the organic working medium reheater that heat heats up again.
As a kind of preferred version of the present utility model: described expansion mechanism also comprises the 3rd thermal source, and the gas outlet of described reheater is connected with the 3rd thermal source; Described the 3rd thermal source is connected with the gas access of reheater.
As a kind of preferred version of the present utility model: described expansion structure comprises the first decompressor and the second decompressor, the first to the 5th three-way valve; The first outlet of described the first three-way valve is connected with the entrance of the first decompressor, and the second outlet of the first three-way valve is connected with the first entrance of the second three-way valve; The expansion outlet of the first decompressor is connected with the entrance of the 3rd three-way valve, and the outlet of drawing gas of the first decompressor is connected with the first entrance of the 5th three-way valve; The first outlet of the 3rd three-way valve is connected with the first entrance of the 4th three-way valve, the second outlet of the 3rd three-way valve is connected with the second entrance of the second three-way valve, the outlet of the second three-way valve is connected with the entrance of the second decompressor, the expansion outlet of the second decompressor is connected with the second entrance of the 4th three-way valve, and the outlet of drawing gas of the second decompressor is connected with the second entrance of the 5th three-way valve; The outlet of the outlet of the 4th three-way valve, the 5th three-way valve is connected with circulation loop respectively; Described circulation loop is connected with the entrance of the first three-way valve.
As a kind of preferred version of the present utility model: described circulation loop comprises internal exchanger, condenser, working medium pump, vaporizer, the first thermal source, and wherein expansion mechanism is connected with the gas working medium entrance of internal exchanger; The gas working medium outlet of described internal exchanger is connected with the working medium entrance of condenser; The sender property outlet of condenser is connected with the entrance of working medium pump; The refrigerant exit of described condenser is connected with cooling mechanism, and described cooling mechanism is connected with the refrigerant entrance of condenser; The working medium delivery side of pump is connected with the liquid working substance entrance of internal exchanger, and the liquid working substance outlet of internal exchanger is connected with the working medium entrance of vaporizer; The sender property outlet of described vaporizer is connected with expansion mechanism; The gas outlet of described vaporizer is connected with the first thermal source, and described the first thermal source is connected with the gas access of vaporizer.
As a kind of preferred version of the present utility model: described circulation loop also comprises the regenerator that draws gas, and described expansion mechanism is connected with the entrance of bleeding of the regenerator that draws gas; The liquid working substance outlet of described internal exchanger is connected with the liquid working substance entrance of the regenerator that draws gas; The liquid working substance outlet of the described regenerator that draws gas is connected with the working medium entrance of vaporizer.
As a kind of preferred version of the present utility model: described circulation loop also comprises preheater, and the working medium entrance of described preheater is connected with the liquid working substance outlet of the outlet of the liquid working substance of internal exchanger or the regenerator that draws gas; The sender property outlet of described preheater is connected with the working medium entrance of vaporizer.
As a kind of preferred version of the present utility model: described circulation loop also comprises Secondary Heat Source, and the gas outlet of described preheater is connected with Secondary Heat Source, and described Secondary Heat Source is connected with the gas access of preheater.
The utility model adopts technique scheme can produce following technique effect:
(1). the utility model, on the basis of organic Rankine circulation, arranges a plurality of decompressors, forms an expansion mechanism.The variation of the load that this mechanism can cause according to the thermal source change in the device actual motion, expansion ratio, flow aspect, change expansion mechanism, realize multimachine series, parallel or unit operation, between the plural serial stage decompressor, reheater can be set, avoid the contingent hygral expansion phenomenon of inflation process.The expansion mechanism provided, can, by the control of valve, realize multiple decompressor Placement.For the operating conditions of high expansion ratio, adopt being connected in series of heat again arranged, by hot again, make to raise through the Temperature of Working of low pressure stage decompressor, can avoid in inflation process occurring the hygral expansion process; For the operating conditions of high flow capacity, adopt nothing being connected in parallel of heat again, by the parallel connection between a plurality of decompressors, reach the requirement of device to flow; Operating conditions for small-sized flow low bulk ratio, adopt single connection, and device is simple.This expansion mechanism can effectively solve the heat engine device operation problem caused because the decompressor model does not reach working condition requirement.
(2). be arranged on again the internal exchanger in hot series loop in the utility model, liquid working substance after gas working medium after compound expansion and working medium pump pressurization is carried out to exchange heat, can improve the temperature that enters the front working medium of vaporizer, effectively utilize the heat of overheated gas working medium.
(3). the regenerator that draws gas arranged in the utility model, in the situation that meet traffic requirement, the backheat of drawing gas from inflation process, can improve the temperature of working medium evaporation, the lifting device operational efficiency.
(4). the preheater in the utility model, can improve the temperature that enters the front working medium of vaporizer, improve the temperature of working medium evaporation, the lifting device operational efficiency.
(5). the vaporizer in the utility model, preheater, reheater all adopt low grade heat energy, are a kind of effective utilizations to low grade heat energy, under the situation of energy shortage, can realize energy-saving and emission-reduction.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of organic Rankine cycling hot machine based on a plurality of decompressors of the present utility model.
The structural representation that Fig. 2 is the expansion mechanism in a kind of organic Rankine cycling hot machine based on a plurality of decompressors of the present utility model.
Wherein label is explained: E-expansion mechanism, 1-the first decompressor, 2-the second decompressor, 3-reheater, the 4-internal exchanger, 5-condenser, 6-working medium pump, the 7-regenerator of bleeding, the 8-preheater, 9-vaporizer, 10-the first thermal source, 11-Secondary Heat Source, 12-the 3rd thermal source, 13-cooling mechanism, 14-generator, 14-1 the first generator, 14-2 the second generator, V-1 the first three-way valve, V-2 the second three-way valve, V-3 the 3rd three-way valve, V-4 the 4th three-way valve, V-5 the 5th three-way valve.
Embodiment
Below in conjunction with Figure of description, embodiment of the present utility model is described.
As shown in Figure 2, the utility model has designed a kind of organic Rankine cycling hot machine based on a plurality of decompressors, comprise expansion mechanism and circulation loop, described expansion mechanism comprises N decompressor and the three-way valve be connected with decompressor, and wherein N is the natural number more than 1; Described N decompressor adopts and is connected in series or is connected in parallel; Described expansion mechanism adopts the mode of decompressor series operation or decompressor parallel running or the operation of single decompressor according to expansion ratio.Described expansion mechanism also comprises the generator be connected with each decompressor.When described decompressor adopts the series operation mode, expansion mechanism also comprises that the gas outlet of reheater 3 is connected with the 3rd thermal source 12 for organic working medium heat heats up again reheater 3 and the 3rd thermal source 12; Described the 3rd thermal source 12 is connected with the gas access of reheater 3.
As shown in Figure 1, this cycling hot machine also comprises total generator, and total generator is connected with expansion mechanism.The circulation loop of this cycling hot machine comprises internal exchanger 4, condenser 5, working medium pump 6, vaporizer 9, the first thermal source 10, and wherein expansion mechanism is connected with the gas working medium entrance 4-a of internal exchanger 4; The gas working medium outlet 4-b of described internal exchanger 4 is connected with the working medium entrance 5-a of condenser 5; The sender property outlet 5-b of condenser 5 is connected with the entrance of working medium pump 6; The refrigerant exit 5-d of described condenser 5 is connected with cooling mechanism 13, and described cooling mechanism 13 is connected with the refrigerant entrance of condenser 5; The outlet of working medium pump 6 is connected with the liquid working substance entrance 4-c of internal exchanger 4, and the liquid working substance outlet 4-d of internal exchanger 4 is connected with the working medium entrance 9-a of vaporizer 9; The sender property outlet 9-b of described vaporizer 9 is connected with expansion mechanism; The gas outlet 9-d of described vaporizer 9 is connected with the first thermal source 10, and described the first thermal source 10 is connected with the gas access 9-c of vaporizer 9.Also comprise the regenerator 7 that draws gas, described expansion mechanism and the regenerator 7 that draws gas) the entrance 7-a that bleeds be connected; The liquid working substance outlet 4-d of described internal exchanger 4 is connected with the liquid working substance entrance 7-b of the regenerator 7 that draws gas; The liquid working substance outlet 7-c of the described regenerator 7 that draws gas is connected with the working medium entrance 9-a of vaporizer 9.Also comprise preheater 8 and Secondary Heat Source 11, the working medium entrance 8-a of preheater 8 and the liquid working substance of internal exchanger 4 outlet 4-d or the regenerator 7 that draws gas) liquid working substance outlet 7-c be connected; The sender property outlet 8-b of described preheater 8 is connected with the working medium entrance 9-a of vaporizer 9.The gas outlet 8-d of preheater 8 is connected with Secondary Heat Source 11, and described Secondary Heat Source 11 is connected with the gas access 8-c of preheater 8.
The utility model comprises the connections such as a plurality of decompressors and three-way valve, safety check, according to different expansion ratios, is divided into three kinds of operation forms, and the organic working medium cyclic process is respectively:
1. for the operating conditions of high expansion ratio, adopt the method for operation that the decompressor of heat is connected in series is again arranged, the working procedure that has again the decompressor of heat to be connected in series loop is:
The first outlet V-1-b of the first three-way valve V-1 opens, and the second outlet V-1-c closes.The first entrance V-2-a of the second three-way valve closes, and the second entrance V-2-b opens.The first outlet V-3-b of the 3rd three-way valve V-3 closes, and the second outlet V-3-c opens.The first entrance V-4-a of the 4th three-way valve V-4 closes, and the second entrance V-4-b opens.The first entrance V-5-a of the 5th three-way valve V-5 opens, and the second entrance V-5-b closes.
Organic working medium flows out from the first outlet V-1-b of the first three-way valve V-1, enter the entrance 1-a of the first decompressor 1, through overexpansion, a part flows out from the outlet 1-c that draws gas of the first decompressor 1, flow into the first entrance V-5-a of the 5th three-way valve V-5, another part is through complete expansion for the first time, from the expansion outlet 1-b of the first decompressor 1, flow out, enter the entrance V-3-a of the 3rd three-way valve V-3, and flow out from the second outlet V-3-c of the 3rd three-way valve V-3, enter the working medium entrance 3-a of reheater 3, in reheater 3, through heat again, heat up, from the sender property outlet 3-b of reheater 3, flow out, enter the second entrance V-2-b of the second three-way valve V-2, and flow out from the outlet V-2-c of the second three-way valve V-2, enter the entrance 2-a of the second decompressor 2, in the second decompressor 2 through complete expansion for the second time, from the expansion outlet 2-b of the second decompressor 2, flow out, enter the second entrance V-4-b of the 4th three-way valve V-4, from the outlet V-4-c of the 4th three-way valve V-4, flow out, enter the gas working medium entrance 4-a of internal exchanger 4.
Organic working medium is carried out exchange heat with the liquid organic working medium of working medium pump 6 in internal exchanger 4, the 4-b of the gas working medium of heat exchanger 4 outlet internally flows out again, enter condenser, after condensation, from the sender property outlet 5-b of condenser 5, flow out, enter working medium pump 6, enter the liquid working substance entrance 4-c of internal exchanger 4 after working medium pump 6 pressurizations, carry out exchange heat with gas working medium, and the liquid working substance outlet 4-d of heat exchanger 4 flows out internally, enters the liquid working substance entrance 7-b of the regenerator 7 that draws gas.
From the outlet 1-c backheat working medium out of drawing gas of the first decompressor 1, through the outlet V-5-c outflow of the 5th three-way valve V-5, enter the extraction entrance 7-a of the regenerator 7 that draws gas.In the regenerator 7 that draws gas, liquid working substance mixes with the gas working medium through incomplete expansion, from the liquid working substance outlet 7-c of the regenerator 7 that draws gas, flow out, enter the working medium entrance 8-a of preheater (8), organic working medium flows out from the sender property outlet 8-b of preheater 8, enters the working medium entrance 9-a of vaporizer 9, in vaporizer 9, is evaporated to overheated gas, flow out from the sender property outlet 9-b of vaporizer 9, enter the entrance V-1-a of the first three-way valve V-1.
2. for the operating conditions of high flow capacity, adopt without the method for operation that the decompressor of heat is connected in parallel again, without the be connected in parallel working procedure in loop of the decompressor of heat again be:
The first outlet V-1-b of the first three-way valve V-1 opens, and the second outlet V-1-c opens.The first entrance V-2-a of the second three-way valve opens, and the second entrance V-2-b closes.The first outlet V-3-b of the 3rd three-way valve V-3 opens, and the second outlet V-3-c closes.The first entrance V-4-a of the 4th three-way valve V-4 opens, and the second entrance V-4-b opens.The first entrance V-5-a of the 5th three-way valve V-5 opens, and the second entrance V-5-b opens.
Organic working medium, through the distribution of the first three-way valve V-1, enters the entrance 1-a of the first decompressor 1 from the first outlet V-1-b, enter the first entrance V-2-a of the second three-way valve from the second outlet V-1-c, and enters the entrance 2-a of the second decompressor 2.Organic working medium is in the first decompressor 1 and the second decompressor 2, all some expands through certain, enter the 5th three-way valve V-5 through the first entrance V-5-a, the second entrance V-5-b of the 5th three-way valve V-5 respectively from draw gas outlet 1-c, 2-c separately, and flow out from the outlet V-5-c of the 5th three-way valve V-5, enter the extraction entrance 7-a of the regenerator 7 that draws gas.The remainder organic working medium, through complete expansion, the organic working medium flowed out in the first decompressor 1 flows into the first entrance V-4-a of the 4th three-way valve V-4 through the 3rd three-way valve V-3, the organic working medium flowed out in the second decompressor 2 flows into the second entrance V-4-b of the 4th three-way valve V-4, through converging, flow into the gas working medium entrance 4-a of internal exchanger 4 in the 4th three-way valve V-4.
The working medium that enters the first decompressor 1 flows out from the first outlet V-3-b of the second three-way valve V-3, enter the expansion entrance 1-a of the first decompressor 1, after to a certain degree expanding, part working medium flows out from the outlet 1-c that draws gas of the first decompressor 1, enter the extraction entrance 7-a of the regenerator 7 that draws gas, residue working medium, through the first decompressor 1 complete expansion, flows out from the expansion outlet 1-b of the first decompressor 1, enters the gas working medium entrance 4-a of internal exchanger 4.
Organic working medium is carried out exchange heat with the liquid organic working medium that working medium pump comes in internal exchanger 4, the 4-b of the gas working medium of heat exchanger 4 outlet internally flows out again, enter condenser, after condensation, from the sender property outlet 5-b of condenser 5, flow out, enter working medium pump 6, enter the liquid working substance entrance 4-c of internal exchanger 4 after working medium pump 6 pressurizations, carry out exchange heat with gas working medium, and the liquid working substance outlet 4-d of heat exchanger 4 flows out internally, enters the liquid working substance entrance 7-b of the regenerator 7 that draws gas.
The backheat organic working medium of drawing gas flowed out from the outlet V-5-c of the 5th three-way valve V-5, enter the extraction entrance 7-a of the regenerator 7 that draws gas.In the regenerator 7 that draws gas, liquid working substance mixes with the gas working medium through incomplete expansion, from the liquid working substance outlet 7-c of the regenerator 7 that draws gas, flow out, enter the working medium entrance 8-a of preheater 8, organic working medium flows out from the sender property outlet 8-b of preheater 8, enters the working medium entrance 9-a of vaporizer 9, in vaporizer 9, is evaporated to overheated gas, flow out from the sender property outlet 9-b of vaporizer 9, enter the entrance V-1-a of the first three-way valve V-1.
3. for the operating conditions of small-sized flow low bulk ratio, adopt the method for operation of single connection, the working procedure that is applicable to the single decompressor link circuit of small flow is:
The first outlet V-1-b of the first three-way valve V-1 opens, and the second outlet V-1-c closes.The first entrance V-2-a of the second three-way valve closes, and the second entrance V-2-b closes.The first outlet V-3-b of the 3rd three-way valve V-3 opens, and the second outlet V-3-c closes.The first entrance V-4-a of the 4th three-way valve V-4 opens, and the second entrance V-4-b closes.The first entrance V-5-a of the 5th three-way valve V-5 opens, and the second entrance V-5-b closes.
Organic working medium flows out from the first outlet V-1-b of the first three-way valve V-1, enter the entrance 1-a of the first decompressor 1, through overexpansion, a part flows out from the outlet 1-c that draws gas of the first decompressor 1, flow into the first entrance V-5-a of the 5th three-way valve V-5, another part is through complete expansion for the first time, from the expansion outlet 1-b of the first decompressor 1, flow out, enter the entrance V-3-a of the 3rd three-way valve V-3, and flow out from the first outlet V-3-b of the 3rd three-way valve V-3, enter the first entrance V-4-a of the 4th three-way valve V-4, from the outlet V-4-c of the 4th three-way valve V-4, flow out again, enter the gas working medium entrance 4-a of internal exchanger 4.
Organic working medium flows into from the expansion entrance 1-a of the first decompressor 1, after to a certain degree expanding, part working medium flows out from the outlet 1-c that draws gas of the first decompressor 1, enter the extraction entrance 7-a of the regenerator 7 that draws gas, residue working medium is through the first decompressor 1 complete expansion, flow out from the expansion outlet 1-b of the first decompressor 1, enter the gas working medium entrance 4-a of internal exchanger 4.
Organic working medium is carried out exchange heat with the liquid organic working medium that working medium pump comes in internal exchanger 4, the 4-b of the gas working medium of heat exchanger 4 outlet internally flows out again, enter condenser, after condensation, from the sender property outlet 5-b of condenser 5, flow out, enter working medium pump 6, enter the liquid working substance entrance 4-c of internal exchanger 4 after working medium pump 6 pressurizations, carry out exchange heat with gas working medium, and the liquid working substance outlet 4-d of heat exchanger 4 flows out internally, enters the liquid working substance entrance 7-b of the regenerator 7 that draws gas.
The backheat organic working medium of drawing gas flowed out from the outlet V-5-c of the 5th three-way valve V-5, enter the extraction entrance 7-a of the regenerator 7 that draws gas.In the regenerator 7 that draws gas, liquid working substance mixes with the gas working medium through incomplete expansion, from the liquid working substance outlet 7-c of the regenerator 7 that draws gas, flow out, enter the working medium entrance 8-a of preheater 8, organic working medium flows out from the sender property outlet 8-b of preheater 8, enters the working medium entrance 9-a of vaporizer 9, in vaporizer 9, is evaporated to overheated gas, flow out from the sender property outlet 9-b of vaporizer 9, enter the entrance V-1-a of the first three-way valve V-1.
In above-mentioned three kinds of modes, total generator 14 is connected with expansion mechanism, and the excess energy that makes expansion mechanism produce can transfer to total generator 14 and be reused, and realizes energy-conserving action.The first generator 14-1 is connected with the first decompressor 1, and second generator 14-2 the second generator 2 connects, and adopts this mode can rationally utilize the energy of decompressor to be generated electricity.
Three thermals source are arranged in the utility model, be respectively the first thermal source 10, Secondary Heat Source 11, the 3rd thermal source 12, thermal source all adopts low grade heat energy, can select solar energy, geothermal power, industrial waste heat etc. according to actual conditions, but be not limited to these three kinds.Vaporizer described in the utility model 9, reheater 3, internal exchanger 4, condenser 5, preheater 8 all adopt existing heat exchanger, not limited form.The regenerator 7 that draws gas described in the utility model, can, according to the operation number of units of operating conditions requirement and decompressor, adjust the decompressor number of units that the regenerator 7 that draws gas is drawn gas, the backheat of drawing gas from a more than decompressor.Also comprise the safety check be connected with three-way valve in expansion mechanism.
Therefore, the utility model is according to operating conditions, the method of operation to decompressor is adjusted: for the operating conditions of high expansion ratio, employing has the decompressor series operation of heat again, operating conditions for high flow capacity, adopt without the decompressor parallel running of heat again, the operating conditions for small-sized flow low bulk ratio, adopt single operation.According to operating conditions, number of units to decompressor is increased and decreased, the too high operating mode for expansion ratio, can adopt series connection, and increase the decompressor number of units, the excessive operating mode for flow, can adopt parallel connection, and increase the decompressor number of units, when service condition reduces, can control by valve, reduce the operation number of units of decompressor.This can effectively solve the heat engine device operation problem caused because the decompressor model does not reach working condition requirement, can realize energy-saving and emission-reduction, the lifting device operational efficiency.
Claims (10)
1. the organic Rankine cycling hot machine based on a plurality of decompressors, comprise expansion mechanism and circulation loop, and it is characterized in that: described expansion mechanism comprises N decompressor and the three-way valve be connected with decompressor, and wherein N is the natural number more than 1; Described N decompressor adopts and is connected in series or is connected in parallel.
2. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 1, it is characterized in that: also comprise total generator, described total generator is connected with expansion mechanism.
3. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 1 and 2, it is characterized in that: described expansion mechanism also comprises the generator be connected with each decompressor.
4. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 1 and 2, it is characterized in that: when described decompressor adopts the series operation mode, expansion mechanism also comprises for the organic working medium reheater (3) that heat heats up again.
5. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 4, it is characterized in that: described expansion mechanism also comprises the 3rd thermal source (12), the gas outlet of described reheater (3) is connected with the 3rd thermal source (12); Described the 3rd thermal source (12) is connected with the gas access of reheater (3).
6. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 1 is characterized in that:
Described expansion structure comprises the first decompressor (1) and the second decompressor (2), the first to the 5th three-way valve; The first outlet (V-1-b) of described the first three-way valve (V-1) is connected with the entrance (1-a) of the first decompressor (1), and the second outlet (V-1-c) of the first three-way valve (V-1) is connected with first entrance (V-2-a) of the second three-way valve; The expansion outlet (1-b) of the first decompressor (1) is connected with the entrance (V-3-a) of the 3rd three-way valve (V-3), and the outlet (1-c) of drawing gas of the first decompressor (1) is connected with first entrance (V-5-a) of the 5th three-way valve (V-5); the first outlet (V-3-b) of the 3rd three-way valve (V-3) is connected with first entrance (V-4-a) of the 4th three-way valve (V-4), the second outlet (V-3-c) of the 3rd three-way valve (V-3) is connected with second entrance (V-2-b) of the second three-way valve (V-2), the outlet (V-2-c) of the second three-way valve (V-2) is connected with the entrance (2-a) of the second decompressor (2), the expansion outlet (2-b) of the second decompressor (2) is connected with second entrance (V-4-b) of the 4th three-way valve (V-4), the outlet (2-c) of drawing gas of the second decompressor (2) is connected with second entrance (V-5-b) of the 5th three-way valve (V-5), the outlet (V-5-c) of the outlet (V-4-c) of the 4th three-way valve (V-4), the 5th three-way valve (V-5) is connected with circulation loop respectively, described circulation loop is connected with the entrance (V-1-a) of the first three-way valve (V-1).
7. according to the described a kind of organic Rankine cycling hot machine based on a plurality of decompressors of claim 1 or 6, it is characterized in that: described circulation loop comprises internal exchanger (4), condenser (5), working medium pump (6), vaporizer (9), the first thermal source (10), and wherein expansion mechanism is connected with the gas working medium entrance (4-a) of internal exchanger (4); The gas working medium outlet (4-b) of described internal exchanger (4) is connected with the working medium entrance (5-a) of condenser (5); The sender property outlet (5-b) of condenser (5) is connected with the entrance of working medium pump (6); The refrigerant exit (5-d) of described condenser (5) is connected with cooling mechanism (13), and described cooling mechanism (13) is connected with the refrigerant entrance of condenser (5); The outlet of working medium pump (6) is connected with the liquid working substance entrance (4-c) of internal exchanger (4), and the liquid working substance outlet (4-d) of internal exchanger (4) is connected with the working medium entrance (9-a) of vaporizer (9); The sender property outlet (9-b) of described vaporizer (9) is connected with expansion mechanism; The gas outlet (9-d) of described vaporizer (9) is connected with the first thermal source (10), and described the first thermal source (10) is connected with the gas access (9-c) of vaporizer (9).
8. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 7, it is characterized in that: described circulation loop also comprises the regenerator that draws gas (7), and described expansion mechanism is connected with the entrance of bleeding (7-a) of the regenerator that draws gas (7); The liquid working substance outlet (4-d) of described internal exchanger (4) is connected with the liquid working substance entrance (7-b) of the regenerator that draws gas (7); The liquid working substance outlet (7-c) of the described regenerator that draws gas (7) is connected with the working medium entrance (9-a) of vaporizer (9).
9. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 8, it is characterized in that: described circulation loop also comprises preheater (8), and the working medium entrance (8-a) of described preheater (8) is connected with the liquid working substance outlet (7-c) of the liquid working substance of internal exchanger (4) outlet (4-d) or the regenerator that draws gas (7); The sender property outlet (8-b) of described preheater (8) is connected with the working medium entrance (9-a) of vaporizer (9).
10. a kind of organic Rankine cycling hot machine based on a plurality of decompressors according to claim 9, it is characterized in that: described circulation loop also comprises Secondary Heat Source (11), the gas outlet (8-d) of described preheater (8) is connected with Secondary Heat Source (11), and described Secondary Heat Source (11) is connected with the gas access (8-c) of preheater (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202444794U CN203335151U (en) | 2013-05-08 | 2013-05-08 | Organic Rankine cycle heat engine device based on a plurality of expanders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202444794U CN203335151U (en) | 2013-05-08 | 2013-05-08 | Organic Rankine cycle heat engine device based on a plurality of expanders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335151U true CN203335151U (en) | 2013-12-11 |
Family
ID=49703828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202444794U Expired - Fee Related CN203335151U (en) | 2013-05-08 | 2013-05-08 | Organic Rankine cycle heat engine device based on a plurality of expanders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068430A1 (en) * | 2016-10-12 | 2018-04-19 | 李华玉 | Steam combined cycle having single working fluid, and combined-cycle steam power device |
| WO2018107551A1 (en) * | 2016-12-15 | 2018-06-21 | 李华玉 | Triple combined circulation power unit |
| CN114517716A (en) * | 2022-01-11 | 2022-05-20 | 中国长江三峡集团有限公司 | Quick-response photo-thermal compressed air energy storage system and method |
-
2013
- 2013-05-08 CN CN2013202444794U patent/CN203335151U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068430A1 (en) * | 2016-10-12 | 2018-04-19 | 李华玉 | Steam combined cycle having single working fluid, and combined-cycle steam power device |
| RU2714018C1 (en) * | 2016-10-12 | 2020-02-11 | Хуаюй ЛИ | Combined steam cycle of one working medium and steam power plant of combined cycle |
| WO2018107551A1 (en) * | 2016-12-15 | 2018-06-21 | 李华玉 | Triple combined circulation power unit |
| CN114517716A (en) * | 2022-01-11 | 2022-05-20 | 中国长江三峡集团有限公司 | Quick-response photo-thermal compressed air energy storage system and method |
| CN114517716B (en) * | 2022-01-11 | 2023-08-18 | 中国长江三峡集团有限公司 | Quick-response photo-thermal compression air energy storage system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107630726B (en) | Multi-energy hybrid power generation system and method based on supercritical carbon dioxide circulation | |
| CN108119194B (en) | Triple combined cycle power plant | |
| CN204610203U (en) | A kind of adiabatic compression air energy-storage and the integrated system of solar energy | |
| CN102562496B (en) | Middle/low-temperature geothermic efficient thermoelectric coupling combined supply system based on organic Rankine cycle (ORC) | |
| CN202718721U (en) | Efficient organic working medium Rankine cycle system | |
| CN107131016B (en) | Supercritical CO2Coal-fired thermal power generation system combined with organic Rankine cycle | |
| CN103147943B (en) | Ammonia water mixed working medium-based combined cooling and power supply system for utilization of geothermal energy | |
| CN109441741A (en) | It is a kind of based on supercritical carbon dioxide circulation can peak regulation energy-storage system and its control method | |
| CN103061835A (en) | Overlapped organic rankine cycle efficient heat machine | |
| CN107091128B (en) | Supercritical water and supercritical CO2Combined double-circulation coal-fired thermal power generation system | |
| CN103062000B (en) | Power generation system for performing energy gradient utilization on geothermal energy and solar energy | |
| CN105443170A (en) | High-and-low-temperature supercritical carbon dioxide waste heat utilization system | |
| CN104632559B (en) | One kind is with CO2It is the method for electric generation using solar energy and electricity generation system of working medium | |
| CN103277153B (en) | Organic Rankine cycle heat engine device based on multiple expansion machines | |
| CN103343734B (en) | A kind ofly to increase in the single-screw expander in lubrication oil circulation loop cryogenically heat generating system | |
| CN108798808B (en) | CO for recovering waste heat of high-temperature flue gas２Cyclic cogeneration system | |
| CN112554983A (en) | Liquid carbon dioxide energy storage system and method coupled with kalina cycle | |
| CN203335151U (en) | Organic Rankine cycle heat engine device based on a plurality of expanders | |
| CN101560892A (en) | Novel thermal circulation system | |
| CN114738061A (en) | Solar auxiliary heating type compressed air energy storage system coupled with kalina circulation | |
| CN104410171A (en) | Energy storage method for smart power grid and apparatus adopted by method | |
| CN110700907A (en) | Single working medium combined cycle steam power device | |
| CN104454329A (en) | External heat type engine and implementation method thereof | |
| CN207348915U (en) | Multipotency hybrid power system based on supercritical carbon dioxide circulation | |
| CN203796343U (en) | Multi-pressure low-boiling steam supplement type organic Rankine cycle (ORC) system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |