CN207332966U - Self-driven expansion power generator system - Google Patents
Self-driven expansion power generator system Download PDFInfo
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- CN207332966U CN207332966U CN201720900283.4U CN201720900283U CN207332966U CN 207332966 U CN207332966 U CN 207332966U CN 201720900283 U CN201720900283 U CN 201720900283U CN 207332966 U CN207332966 U CN 207332966U
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- expanding machine
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- medium pump
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Abstract
It the utility model is related to a kind of self-driven expansion power generator system, including expanding machine, generator, evaporator, condenser, working medium pump, clutch and starter, the expanding machine is connected by shaft coupling with generator, the evaporator is connected by intake valve with expanding machine, the condenser inlet is connected with expanding machine, working medium pump is equipped between the condensator outlet and evaporator, the expanding machine is connected by clutch with working medium pump, and the starter is used to liquid working substance is pumped into evaporator when system is opened.The self-driven expansion power generator system of the utility model can be produced electricl energy using various waste heats, system is in the process of running, expanding machine starts building matter pump work without other extra powers using clutch band, thus the utility model for it is a kind of it is stable, reliability is high, high efficiency and environmental protection and energy saving equipment.
Description
Technical field
It the utility model is related to generator, and in particular to a kind of self-driven expansion power generator system.
Background technology
With constantly riseing for the fossil energy consumption amount such as coal, oil, natural gas, and brought due to energy consumption
Environmental pressure (such as CO2 emission), the energy and environmental problem have become the significant problem that the whole world is paid close attention to jointly.
Under this background, tow taste heat is converted into electric energy using organic Rankine bottoming cycle and causes more and more concerns.It is so-called organic
Rankine cycle, i.e., replace water to promote expansion as working medium in traditional rankine cycle using organic working medium (such as R113, R123 etc.)
Machine does work.In recent years, the research work of organic Rankine bottoming cycle at home and abroad carries out energetically, it is the ideal using low grade heat energy
Mode.The expansion power generator system of Organic Rankine Cycle, machine set system are stablized not enough, and generating efficiency is also not high enough, so, it is existing
Some expansion power generator systems need further to improve.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of self-driven expansion power generator system, the generator system
Self-driven double dynamical pumping unit is employed, so as to improve the stability and its generating efficiency of system work.
The utility model in order to solve its technical problem used by technical solution be：
A kind of self-driven expansion power generator system, including expanding machine, generator, evaporator, condenser, working medium pump, clutch
Device and starter, the expanding machine are connected by shaft coupling with generator, and the evaporator is connected by intake valve and expanding machine
Connect, the condenser inlet is connected with expanding machine, and working medium pump, the expanding machine are equipped between the condensator outlet and evaporator
It is connected by clutch with working medium pump, the starter is used to liquid working substance is pumped into evaporator when system is opened.
Preferably, the starter is working medium pump motor, and the working medium pump motor is connected by clutch with working medium pump.
Preferably, the starter is working medium priming pump, and the working medium priming pump is arranged on the condensator outlet with steaming
Send out device import between, and with working medium parallel connection of pumps.
Preferably, reservoir is equipped between the condenser and working medium pump, is equipped between the working medium pump and evaporator pre-
Hot device, is equipped with fluid path filter between the reservoir and working medium pump.
Preferably, gas-liquid separation muffler is equipped between the expanding machine and condenser, the gas-liquid separation muffler is also
Directly it is connected equipped with pipeline with the reservoir, the preheater is shell-tube type, board-like or lamella heat exchanger.
Preferably, the starting drum for heating liquid working substance is further included, the expanding machine is swollen for oil-free air supporting turbine type
Swollen machine, the expanding machine include air-bearing, and described starting drum one end is connected by by-passing valve with air-bearing, the other end and
Condenser connects.
Preferably, the expanding machine includes bearing, and the bearing is oil jet lubrication bearing, magnetic suspension bearing or ceramic shaft
Hold.
Preferably, bypass line, the side are equipped between the air inlet of the gas outlet of the evaporator and the expanding machine
Siphunculus road is equipped with liquid injection valve.
Preferably, the condenser and evaporator be respectively shell-tube type, board-like or lamella heat exchanger, the expanding machine
Air passage filter is equipped between intake valve.
Preferably, the generator is synchronous generator or asynchronous generator, the expanding machine is turbine type, screw or
Scroll expansion machine, the working medium pump are centrifugal or positive displacement working medium pump.
The beneficial effects of the utility model are：The self-driven expansion power generator system of the utility model is followed using organic Rankine
Ring principle, and by the way of self-driven, reduce demand of the whole system to external energy；And by equipped with starting drum
Come the gas-liquid separation muffler that starts oil-free expanding machine, be equipped with it is used to carrying out working medium gas-liquid separation and silencing function, is equipped with
The parallel double dynamical stability, the reservoir being equipped with and the filter that are conducive to raising system of pumping is for filtering in circulation working medium
Impurity, the impurity led to prevent fluid stopping in working medium cause the fluctuation of service of system, so as to improve the generating efficiency of whole system
With system reliability energy.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment 1 in the utility model；
Fig. 2 is the structure diagram of embodiment 2 in the utility model；
In figure：10- expanding machines, 11- shaft couplings, 12- liquid injection valves, 13- gas-liquid separation mufflers, 14- clutches, 20- hairs
Motor, 30- evaporators, 31- intake valves, 32- air passage filters, 40- condensers, 50- reservoirs, 51- fluid path filters, 60-
Preheater, 70- working medium priming pumps, 80- working medium pumps, 81- working medium pump motors, 90- start drum, 91- by-passing valves.
Embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment：As shown in Figure 1, a kind of self-driven expansion power generator system, including expanding machine 10, generator 20, evaporation
Device 30, condenser 40, working medium pump 80, clutch 14 and starter, successively according to the flow direction of working medium between each device
Connected by pipeline, line is expressed as connecting line between all parts in figure, in the direction of arrow mark pipeline on line
Working fluid flow direction.The expanding machine 10 is connected by shaft coupling 11 with generator 20, and the evaporator 30 passes through intake valve 31
It is connected with expanding machine 10,40 import of condenser is connected with expanding machine 10, and the condenser 40 is exported between evaporator 30
Equipped with working medium pump 80, the expanding machine 10 is connected by clutch 14 with working medium pump 80, and the starter is opened for system
When liquid working substance is pumped into evaporator 30.The expanding machine 10 of the utility model is connected with generator 20, for making gas working medium
Thermal energy is converted into mechanical energy, is connected between the two by shaft coupling 11, and shaft coupling is used to follow expanding machine to rotate and drive power generation
Machine generates electricity.Condenser 40 is used to be cooled down the working medium after expander；Evaporator 30 is used to be condensed by the condenser
Heat exchange is carried out for the working medium and low-grade heat source of liquid, liquid working substance is pumped into by the starter when just starting for system
Evaporator is heated to be gas working medium, so that gas working medium enters expander and rotates expanding machine, once expanding machine reaches
After certain rotating speed, then coupling flywheel and working medium pump 80 engage, and expanding machine moves working medium pump by clutch band and rotates, working medium pump 80
For liquid working substance to be pumped into evaporator, and complete self-driven lasting power generation process.The self-driven expansion power generation of the utility model
Machine system can be produced electricl energy using various waste heats, and system in the process of running, using clutch band started building matter by expanding machine
Pump work without other extra powers, therefore the utility model for it is a kind of it is stable, reliability is high, high efficiency and section
Can feature of environmental protection equipment.
Wherein, the starter starts pump 70 using working medium pump motor 81 or working medium.In embodiment 1, such as Fig. 1 institutes
Show, the starter is working medium pump motor 81, and the working medium pump motor 81 is connected by clutch 14 with working medium pump 80.This is
System use single-pump system, and cost is low, i.e. starter uses working medium pump motor 81, during startup, the driving working medium of working medium pump motor 81
Pump operation, after into gas working medium expansion in expanding machine, the flywheel of the working medium pump motor side in clutch 14 takes off with working medium pump
From and the flywheel of expander side is engaged with working medium pump 80, and expanding machine 10 is rotated is started building matter pump operation by clutch band, working medium pump
The method of operation is converted to self-driven from external drive, realizes the self-driven operation of system.
In example 2, as shown in Fig. 2, the starter is working medium priming pump 70, the working medium priming pump 70 is arranged on
The condenser 40 is exported between 30 import of evaporator, and in parallel with working medium pump 80.The system uses double pump system in parallel,
Have the characteristics that equipment is simple and operational reliability is high, i.e., starter uses working medium priming pump 70, utilizes the work of external energy
Liquid working substance is directly pumped into evaporator by matter priming pump, so that start expanding machine rotation, after the rotating speed that expanding machine reaches certain,
Coupling flywheel is engaged with working medium pump, and expanding machine 10 is rotated is started building matter pump operation by clutch band, and working medium starts pump 70 and powers off,
System is completed to be converted to working medium pump feed flow by working medium priming pump feed flow, so as to fulfill the self-driven operation of system.
Wherein, be equipped with reservoir 50 between the condenser 40 and working medium pump 80, the working medium pump 80 and evaporator 30 it
Between be equipped with preheater 60, fluid path filter 51 is equipped between the reservoir 50 and working medium pump 80.The expanding machine 10 and condensation
Be equipped with gas-liquid separation muffler 13 between device 40, the gas-liquid separation muffler 13 be additionally provided with pipeline directly with the reservoir 50
Connection, the preheater 60 is shell-tube type, board-like or lamella heat exchanger.Preferably, from the swollen of the outlet of expanding machine 10 discharge
Organic working medium after swollen is first separated through gas-liquid separation muffler 13, and the gas working medium separated enters condenser and carries out hot friendship
Change, and the liquid separated directly enters reservoir by bypass pipe, is condensed into the organic working medium of liquid within the condenser
Be pumped into preheater 60 into reservoir 50, then by working medium pump, the gas-liquid separation muffler 13 being equipped with play to separation and
The effect of noise reduction, is conducive to the noise pollution that reduction system produces environment；The reservoir 50 being equipped with is used to store condenser 40
The liquid working substance of formation, can deposit larger impurity, it is preferred that passing through liquid before liquid working substance enters working medium pump
Pipe filter 51 filters, so as to further filter the fine impurities in working medium, avoids impurity from entering next set with liquid working substance
In standby；The liquid working substance that preheater 60 is used to enter evaporator is preheated, to reduce the steaming of liquid working in evaporator
The time is sent out, is improved work efficiency.
Preferably, the starting drum 90 for heating liquid working substance is further included, the expanding machine 10 is oil-free air supporting turbine
Formula expanding machine, the expanding machine 10 include air-bearing, and described starting 90 one end of drum is connected by by-passing valve 91 and air-bearing
Connect, the other end is connected with condenser 40.When expanding machine uses oil-free air supporting turbo-expander, before system operation, vapour is started
Gas working medium in it 90 is first sent into expanding machine 10 by bag by by-passing valve 91, is provided gas for the air-bearing of expanding machine and is floated
Power, after bearing operation is normal, starter is opened by side, oil-free expanding machine is used in the system, so as to reduce whole system
Internal and the lubricating oil caused by environment pollution.The expanding machine 10 includes bearing, the bearing is oil jet lubrication bearing,
Magnetic suspension bearing or ceramic bearing, are equipped with bypass pipe between the gas outlet of the evaporator 30 and the air inlet of the expanding machine 10
Road, the bypass line are equipped with liquid injection valve 12.This bypass line is used for the pressure differential before and after adjusting expanding machine 10 in start,
When pressure difference is excessive before and after expanding machine, the liquid injection valve 12 automatically opens up, and the gas working medium part that evaporator 30 is discharged branches to
The exhaust outlet of expanding machine, so as to reduce pressure difference before and after expanding machine, after pressure difference drops to certain value before and after expanding machine, liquid injection valve 12 is certainly
It is dynamic to close.The condenser 40 and evaporator 30 be respectively shell-tube type, board-like or lamella heat exchanger, the expanding machine 10 with
Air passage filter 32 is equipped between intake valve 31.Air passage filter 32 is used to further filter into the gas working medium of expanding machine
Impurity, to prevent pollution of the impurity to expanding machine.The generator 20 is synchronous generator or asynchronous generator, the expanding machine
10 be turbine type, screw or scroll expansion machine, and the working medium pump 80 is centrifugal or positive displacement working medium pump.
The course of work of the utility model is：
Embodiment 1：As shown in Figure 1, starter is working medium pump motor in the present embodiment, drum 90 is started by it
Organic working medium, which flashes to, to be entered in expanding machine 10 by by-passing valve 91 after gas, is provided gas for the air-bearing of expanding machine and is floated
Power, after bearing operation is normal, working medium pump motor 81 drives working medium pump 80 to run, and working medium pump 80 is by the liquid working substance in reservoir
It is pumped into preheater 60 and preheats, the fluid path filter 51 being equipped between reservoir and working medium pump is used in filter liquid working medium
Impurity, the liquid working substance after being preheated enters in evaporator to be heated to be after high-temperature steam by air inlet by extraneous low-grade heat source
Valve 31 and air passage filter 32 are expanded into expanding machine 10, and the flywheel of the working medium pump motor side in clutch 14 takes off with working medium pump
From and the flywheel of expander side is engaged with working medium pump 80, and expanding machine 10 is rotated is started building matter pump operation by clutch band, working medium pump
The method of operation is converted to self-driven from external drive, realizes the self-driven operation of system, while expanding machine rotates and passes through shaft coupling
11 drive electrical power generators, and the organic working medium gas after expansion is separated through gas-liquid separation muffler 13, and the liquid after separation passes through
Bypass line is directly entered reservoir 50, and the gas working medium after separating enters storage after being condensed into liquid working substance into condenser
Liquid device 50, so as to complete a circulation.
Embodiment 2：As shown in Fig. 2, in the present embodiment, starter is working medium priming pump, 14 He of clutch when initial
Working medium pump 80 is disengaged position, starts drum 90 and flashes to the organic working medium in it by by-passing valve 91 to enter after gas and expands
In machine 10, buoyant gas is provided for the air-bearing of expanding machine, after bearing operation is normal, working medium priming pump 70 is by reservoir
Liquid working substance be pumped into preheater 60 and preheat, the fluid path filter 51 being equipped between reservoir and working medium pump is used for filtered fluid
Impurity in body working medium, the liquid working substance after being preheated enters in evaporator is heated to be high-temperature steam by extraneous low-grade heat source
Expanded afterwards by intake valve 31 and air passage filter 32 into expanding machine 10, after the rotating speed that expanding machine reaches certain, clutch
14 flywheels are engaged with working medium pump, and expanding machine 10 is rotated is started building matter pump operation by clutch band, and working medium starts pump 70 and powers off, system
Complete to be converted to working medium pump feed flow by working medium priming pump feed flow, so as to fulfill the self-driven operation of system, while expanding machine rotates
And electrical power generators are driven by shaft coupling 11, the organic working medium gas after expansion is separated through gas-liquid separation muffler 13, is separated
Liquid afterwards is directly entered reservoir 50 by bypass line, and the gas working medium after separating is condensed into liquid into condenser
Enter reservoir 50 after working medium, so as to complete a circulation.
It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the premise utility,
Various modifications and improvements can be made, these belong to the scope of protection of the utility model.Therefore, the utility model patent
Protection domain should be determined by the appended claims.
Claims (10)
- A kind of 1. self-driven expansion power generator system, it is characterised in that：Including expanding machine (10), generator (20), evaporator (30), condenser (40), working medium pump (80), clutch (14) and starter, the expanding machine (10) pass through shaft coupling (11) It is connected with generator (20), the evaporator (30) is connected by intake valve (31) with expanding machine (10), the condenser (40) Import is connected with expanding machine (10), and working medium pump (80) is equipped between condenser (40) outlet and evaporator (30), described swollen Swollen machine (10) is connected by clutch (14) with working medium pump (80), and the starter is used to pump liquid working substance when system is opened Enter evaporator (30).
- 2. self-driven expansion power generator system according to claim 1, it is characterised in that：The starter is working medium pump Motor (81), the working medium pump motor (81) are connected by clutch (14) with working medium pump (80).
- 3. self-driven expansion power generator system according to claim 1, it is characterised in that：The starter rises for working medium Dynamic pump (70), the working medium priming pump (70) is arranged on the condenser (40) and exports between evaporator (30) import, and and work Matter pump (80) is in parallel.
- 4. self-driven expansion power generator system according to any one of claim 1-3, it is characterised in that：The condenser (40) reservoir (50) is equipped between working medium pump (80), preheater is equipped between the working medium pump (80) and evaporator (30) (60), fluid path filter (51) is equipped between the reservoir (50) and working medium pump (80).
- 5. self-driven expansion power generator system according to claim 4, it is characterised in that：The expanding machine (10) and condensation Be equipped with gas-liquid separation muffler (13) between device (40), the gas-liquid separation muffler (13) be additionally provided with pipeline directly with the storage Liquid device (50) connects, and the preheater (60) is shell-tube type, board-like or lamella heat exchanger.
- 6. self-driven expansion power generator system according to claim 1, it is characterised in that：Further include for heating liquid work The starting drum (90) of matter, the expanding machine (10) are oil-free air supporting turbo-expander, and the expanding machine (10) includes air supporting Bearing, described starting drum (90) one end are connected by by-passing valve (91) with air-bearing, and the other end is connected with condenser (40).
- 7. self-driven expansion power generator system according to claim 1, it is characterised in that：The expanding machine (10) includes axis Hold, the bearing is oil jet lubrication bearing, magnetic suspension bearing or ceramic bearing.
- 8. self-driven expansion power generator system according to claim 1, it is characterised in that：The outlet of the evaporator (30) Bypass line is equipped between mouth and the air inlet of the expanding machine (10), the bypass line is equipped with liquid injection valve (12).
- 9. self-driven expansion power generator system according to claim 1, it is characterised in that：The condenser (40) and evaporation Device (30) is respectively shell-tube type, board-like or lamella heat exchanger, and gas is equipped between the expanding machine (10) and intake valve (31) Pipe filter (32).
- 10. self-driven expansion power generator system according to claim 1, it is characterised in that：The generator (20) is same Walk generator or asynchronous generator, the expanding machine (10) is turbine type, screw or scroll expansion machine, the working medium pump (80) it is centrifugal or positive displacement working medium pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720900283.4U CN207332966U (en) | 2017-07-24 | 2017-07-24 | Self-driven expansion power generator system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720900283.4U CN207332966U (en) | 2017-07-24 | 2017-07-24 | Self-driven expansion power generator system |
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| CN207332966U true CN207332966U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218096A (en) * | 2017-07-24 | 2017-09-29 | 江苏必领能源科技有限公司 | Self-driven expansion power generator system |
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2017
- 2017-07-24 CN CN201720900283.4U patent/CN207332966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218096A (en) * | 2017-07-24 | 2017-09-29 | 江苏必领能源科技有限公司 | Self-driven expansion power generator system |
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