CN206290297U - A kind of Organic Rankine Cycle TRT - Google Patents
A kind of Organic Rankine Cycle TRT Download PDFInfo
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- CN206290297U CN206290297U CN201621236549.1U CN201621236549U CN206290297U CN 206290297 U CN206290297 U CN 206290297U CN 201621236549 U CN201621236549 U CN 201621236549U CN 206290297 U CN206290297 U CN 206290297U
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- pump
- working medium
- organic rankine
- oil
- rankine cycle
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Abstract
The utility model discloses a kind of Organic Rankine Cycle TRT, it includes：Generator, condenser, working medium booster pump, evaporator, screw expander, controller, gs-oil separator, cooling water recirculation system and oil transfer pump, described screw expander includes housing and is arranged on female rotor, the male rotor of housing internal messing, described oil transfer pump includes the pump housing and is arranged on driving gear, the driven gear used cooperatively in the pump housing, and the driving gear is coaxial with described female rotor, the driven gear is coaxial with described male rotor.The utility model provides a kind of organic Rankine bottoming cycle TRT, and it passes through working medium pump payload, rotating speed is voluntarily adjusted by variable-frequency motor, automatically adjusts working medium into the flow of expanding machine, improves expander efficiency；Self-lubricating oil delivery pump is directly driven by expanding machine, hydraulic control one-way valve is set up on pipeline, make system operational security stabilization, improve economical operation security and generating efficiency.
Description
Technical field
The utility model belongs to mechanical field, and in particular to a kind of Organic Rankine Cycle TRT.
Background technology
In conventional organic Rankine cycle power generation system, due to enter expanding machine working medium flow pressure head stabilization fluctuation and
Change, working medium in expanding machine can not sufficiently effective steady expansion work, cause rotary speed unstabilization determine, influence system generated energy
Instantaneous unstability, generating efficiency is reduced, while have impact on the operating efficiency and economic and reliable of system.
Utility model content
In view of the shortcomings of the prior art, main purpose of the present utility model is to provide a kind of Organic Rankine Cycle generating dress
Put.
To realize foregoing utility model purpose, the technical solution adopted in the utility model includes：
The utility model provides a kind of Organic Rankine Cycle TRT, and it includes：
Generator；
Condenser, cools down to working medium；
Working medium booster pump, the liquid refrigerant after being cooled down to condenser is pressurized so that working medium turns into the liquid of cryogenic high pressure
Body；
Evaporator, to working medium booster pump liquid heating evaporation out so that described working medium turns into the gas of HTHP
Body；
Screw expander, absorbs the high temperature and high pressure gas that evaporator is sent out, and the screw expander is expanded step-down heat release and does
Work(, and then drive electrical power generators；
Controller, the flow of screw expander is entered for controlled medium；
Gs-oil separator, the gas mixture that screw expander is discharged is separated so that the Working medium gas of low pressure are again
It is secondary to be cooled to low temperature liquid working medium into described condenser；
Cooling water recirculation system, cools down to the working medium in condenser；
Oil transfer pump, for the suck lubrication oil from gs-oil separator, is transported in screw expander after supercharging；
Described screw expander includes housing and is arranged on female rotor, the male rotor of housing internal messing, described lubrication
Oily delivery pump includes the pump housing and is arranged on driving gear, the driven gear used cooperatively in the pump housing, and the driving gear with it is described
Female rotor it is coaxial, the driven gear is coaxial with described male rotor.
Among some embodiments, the screw expander is connected with the oil transfer pump by shaft coupling.
Among some embodiments, described oil transfer pump is provided with safety valve, and/or the safety valve valve
Body is the cylindrical differential piston with convex shoulder.
Among some more specific embodiment, the safety valve includes adjusting screw and is set in adjusting screw
Spring, the spring is respectively arranged at two ends with spring base and the locking nut used cooperatively with adjusting screw.
Among some more specifically embodiment, the oil drain passage of the adjustable oil transfer pump of the adjusting screw
Radius size.
Among some embodiments, the screw expander is provided with safety overflow valve, and/or the safety overflow valve
It is hydraulic control one-way valve.
Among some embodiments, described cooling water recirculation system includes cooling tower and can drive cooling water circulation
The condensate pump of flowing.
Among some embodiments, described working medium booster pump is provided with pressure sensor.
Compared with prior art, advantage of the present utility model includes：
The utility model provides a kind of organic Rankine bottoming cycle TRT, and it passes through working medium pump payload, by change
Frequency motor voluntarily adjusts rotating speed, automatically adjusts working medium into the flow of expanding machine, improves expander efficiency；It is straight by expanding machine
Driving self-lubricating oil delivery pump is connect, hydraulic control one-way valve is set up on high and low pressure pipeline, make system operational security stabilization, reduce system
System energy consumption, improves economical operation security and generating efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of organic Rankine bottoming cycle expanding machine electricity generation system among the typical embodiments of the utility model one；
Fig. 2 is the schematic diagram that oil transfer pump is carried in screw expander of the present utility model；
Fig. 3 is the A-A direction view schematic diagrames of Fig. 2；
Description of reference numerals：1. screw expander, 2. oil transfer pump, 3. fuel and vapor separator, 4. condenser；5.
Working medium booster pump, 6. evaporator, 7. generator, 8. condensate pump, 9. cooling tower, 10. variable-frequency motor, 11. flows
Regulating valve, 12. controllers, 101. housings, 102. male rotors, 103. female rotors, 104. pump housings, 105. driving gears,
106. driven gears, 107. safety valves, 108. springs, 109. spring bases, 110. locking nuts, 111. adjusting screws.
Specific embodiment
More detailed explanation will hereafter be made to the technical solution of the utility model.It is understood, however, that in this reality
With in new scope, above-mentioned each technical characteristic of the present utility model and below（Such as embodiment）Each technology of middle specific descriptions is special
Can be combined with each other between levying, so as to constitute new or preferred technical scheme.As space is limited, no longer tire out one by one herein and state.
As shown in the figure：A kind of Organic Rankine Cycle TRT, it includes：
Generator 7；
Condenser 4, cools down to working medium；
Working medium booster pump 5, the liquid refrigerant after being cooled down to condenser 4 is pressurized so that working medium turns into cryogenic high pressure
Liquid；
Evaporator 6, to the liquid heating evaporation out of working medium booster pump 5 so that described working medium turns into HTHP
Gas；
Screw expander 1, absorbs the high temperature and high pressure gas that evaporator 6 is sent out, and the screw expander 1 is expanded step-down heat release
Acting, and then drive generator 7 to generate electricity；
Controller 12, the flow of screw expander 1 is entered for controlled medium；
Gs-oil separator 3, the gas mixture that screw expander 1 is discharged is separated so that the Working medium gas of low pressure
It is again introduced into described condenser 4 and is cooled to low temperature liquid working medium；
Cooling water recirculation system, cools down to the working medium in condenser 4；
Oil transfer pump 2, for the suck lubrication oil from gs-oil separator 3, is transported to screw expander 1 after supercharging
In；
Described screw expander 1 includes housing 101 and is arranged on the female rotor 103, male rotor of the internal messing of housing 101
102, described oil transfer pump 2 includes the pump housing 104 and is arranged on the driving gear 105, driven that is used cooperatively in the pump housing 104
Gear 106, and the driving gear 105 is coaxial with described female rotor 103, the driven gear 106 is same with described male rotor 102
Axle.
Among some embodiments, the screw expander 1 is connected with the oil transfer pump 2 by shaft coupling.
Among some embodiments, described oil transfer pump 2 is provided with safety valve 107, and/or the safety valve
107 valve body is the cylindrical differential piston with convex shoulder.
Among some more specific embodiment, the safety valve 107 includes adjusting screw and is set in regulation spiral shell
The spring for nailing on, the spring is respectively arranged at two ends with spring base and the locking nut used cooperatively with adjusting screw.
Among some more specifically embodiment, the oil extraction of the adjustable oil transfer pump 2 of the adjusting screw is led to
The radius size in road.
Among some embodiments, the screw expander 1 is provided with safety overflow valve, and/or the safety overflow
Valve is hydraulic control one-way valve.
Among some embodiments, described cooling water recirculation system includes cooling tower 9 and cooling water can be driven to follow
The dynamic condensate pump 8 of circulation.
Among some embodiments, described working medium booster pump 5 is provided with pressure sensor.
Embodiment 1
In organic Rankine bottoming cycle expanding machine electricity generation system of the present utility model, screw expander 1, lubricating oil conveying are provided with
Pump 2, fuel and vapor separator 3, condenser 4, working medium booster pump 5, evaporator 6, generator 77, condensate pump 8, cooling tower 9 becomes
Frequency motor 10, flow control valve 11, the grade of safety overflow valve 12 composition；In the expanding machine electricity generation system, oil transfer pump 2 is by spiral shell
Bar expanding machine 1 directly links, and reaches reduction system total electricity energy consumption, improves the purpose of equipment performance driving economy.As this practicality
The first new embodiment, Fig. 2 illustrates the expansion all-in-one machine structure principle for carrying oil transfer pump 2, mainly by expanding
Casing body 101, male rotor 102, female rotor 103, gear pump case 104, driving gear 105, driven gear 106, safety valve 107 etc.
Composition.
As depicted in figs. 1 and 2, the organic Rankine bottoming cycle TRT that the utility model is provided, including by being built-in with lubrication
The screw expander 1 of oily delivery pump 2, the screw expander 1 is by housing, female rotor 103, male rotor 102, air inlet button, exhaust
Mouth, bearing, oil sealing composition, the female rotor 103 and male rotor 102 are intermeshing in the housing；The lubrication
Oily delivery pump 2 includes pump case 104, and is arranged in the confined space of the pump case 104, turns with the female rotor 103 and sun respectively
Sub 102 coaxial driving gears 105 and driven gear 106；106 points of the driving gear 105 and driven gear of oil transfer pump 2
It is not fixedly mounted on axle with flat key, suction/row's effect of oil transfer pump 2 is exactly to be turned round by the engagement of above-mentioned two gear
And produce.
The oil transfer pump 2 is by the direct linkage rotation of expansion machine rotor.The top of expanding machine housing 101 be provided with into
Liquid mouthful, bottom is provided with outlet, and rotor output is connected with generator 7, and working medium enters expanding machine from inlet, and expansion work is pushed away
Dynamic rotor operating, drives generator 7 to generate electricity, and realizes being converted into the energy conversion that mechanical energy is then converted to electric energy by heat energy；Wherein
Generator 7 can be bipolar machine, or quadrupole or multipolar generator 7, can be using either synchronously or asynchronously or other forms
Generator 7.
Described organic Rankine bottoming cycle TRT, wherein：The screw expander 1 and the oil transfer pump 2
Axle device is connected.Oil transfer pump 2 i.e. needed for normal work is by the direct linkage rotation of expansion machine rotor.The lubricating oil conveying
Pump 2 can be by male rotor 102, the female screw linkage of positive screw rod linkage, or female rotor 103.The lubricating oil conveying
Pump 2 can be installed and be connected to the aspiration port of expanding machine housing 101 (such as Fig. 1), it is also possible to which design is in the housing of expanding machine (as schemed
2)。
Further, the oil transfer pump 2 can be gear pump, or plunger displacement pump or sliding-vane pump or other appearances
Product pump, is provided with adjustable safety valve 107, i.e. oil delivery pump body at the high and low pressure passage of the oil transfer pump 2
High and low pressure interchannel sets adjustable safety valve 107.
Further, the output shaft of the expanding machine can be coaxial with generator 7, or uses shaft coupling（Hardness,
Elasticity, sprocket wheel）Connection or the connection of other transmission mechanisms, the expanding machine output shaft can be positive screw rod, or female screw.
Expanding machine Rankine cycle system described in the utility model includes high pressure, low pressure line unit, and working medium pump uses frequency conversion
Motor 10 is driven, and the operating frequency of motor is adjusted by the change of working medium pump discharge pressure and load, changes turning for working medium pump
Speed, reaches the purpose of controlled medium flow.
Described organic Rankine bottoming cycle TRT, wherein：Peace is provided between the high and low pressure pipeline of the screw expander 1
Full overflow valve 12, as the safeguard protection to expanding machine and working medium pipe-line system.The safety overflow valve 12 is preferably hydraulic control list
To valve, or electric control one-way valve, hydraulic control one-way valve or pressure-reducing valve.The safety overflow valve 12 can be driven by low voltage motor
Controlling opening of valve, it is also possible to the aperture of control valve is directly driven by air rammer；Also can be opened by manual adjustment valve
Degree, to adjust the initial supplement of working medium flow to working barrel variable-frequency motor 10.
In order to adjust and limiting the operating pressure of oil pump, when pressure exceedes limit value, the spring 108 of safety valve 107 is pressurized
Contract and open valve, the row of communication, suction two ends, to reach the purpose of pressure release, the pretightning force of the spring 108 of safety valve 107 can then pass through
Adjusting screw 111 adjusts the operating pressure of oil pump to set.Safety valve 107 is additionally provided with the oil transfer pump 2, wherein
The valve body of safety valve 107 is arranged to a cylindrical differential piston with convex shoulder.
Described organic Rankine bottoming cycle TRT, wherein：The safety valve 107 includes adjusting screw 111, is placed on regulation
Spring 108 on screw 111, the bottom of the spring 108 is provided with spring base 108, and the front end of the spring 108 is provided with locking nut
110。
Described organic Rankine bottoming cycle TRT, wherein：The adjusting screw 111 is used to adjust oil transfer pump 2
Oil drain passage radius size.
Further, the male rotor 102 of screw expander 1（Or female rotor 103）The driving shaft of axle and gear pump is one
Body, when expanding machine is operated, drive oil transfer pump 2 to turn round, the periphery and both sides of gear are all surrounded by the pump housing and end cover body,
Sealing space is formed, in this space, because the tooth for intermeshing separates, two cavitys being isolated from each other is constituted again,
The suction chamber for being communicated with suction line and the discharge chamber communicated with outlet, with the continuous rotation of gear, into the oil of between cog
Liquid is to be brought in pressure right chamber higher, forms the function of continuous conveying lubricating oil；
Technology contents of the present utility model and technical characteristic are had revealed that as above, but those of ordinary skill in the art still may be used
A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this
Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model
And modification, and covered by present patent application claim.
Claims (8)
1. a kind of Organic Rankine Cycle TRT, it is characterised in that including：
Generator；
Condenser, cools down to working medium；
Working medium booster pump, the liquid refrigerant after being cooled down to condenser is pressurized so that working medium turns into the liquid of cryogenic high pressure；
Evaporator, to working medium booster pump liquid heating evaporation out so that described working medium turns into the gas of HTHP；
Screw expander, absorbs the high temperature and high pressure gas that evaporator is sent out, and the screw expander is expanded step-down heat release and does work, and enters
And drive electrical power generators；
Controller, the flow of screw expander is entered for controlled medium；
Gs-oil separator, the gas mixture that screw expander is discharged is separated so that the Working medium gas of low pressure enter again
Enter described condenser and be cooled to low temperature liquid working medium；
Cooling water recirculation system, cools down to the working medium in condenser；
Oil transfer pump, for the suck lubrication oil from gs-oil separator, is transported in screw expander after supercharging；
Described screw expander includes housing and is arranged on female rotor, the male rotor of housing internal messing, and described lubricating oil is defeated
Sending pump includes the pump housing and is arranged on driving gear, the driven gear used cooperatively in the pump housing, and the driving gear and described the moon
Rotor coaxial, the driven gear is coaxial with described male rotor.
2. Organic Rankine Cycle TRT according to claim 1, it is characterised in that：The screw expander with it is described
Oil transfer pump is connected by shaft coupling.
3. Organic Rankine Cycle TRT according to claim 1, it is characterised in that：On described oil transfer pump
Safety valve is provided with, and/or the valve body of the safety valve is the cylindrical differential piston with convex shoulder.
4. Organic Rankine Cycle TRT according to claim 3, it is characterised in that：The safety valve includes regulation spiral shell
Follow closely and be set in the spring in adjusting screw, the spring is respectively arranged at two ends with spring base and is used cooperatively with adjusting screw
Locking nut.
5. Organic Rankine Cycle TRT according to claim 4, it is characterised in that：The adjustable profit of the adjusting screw
The radius size of the oil drain passage of oil delivery pump.
6. Organic Rankine Cycle TRT according to claim 1, it is characterised in that：The screw expander is provided with
Safety overflow valve, and/or the safety overflow valve is hydraulic control one-way valve.
7. Organic Rankine Cycle TRT according to claim 1, it is characterised in that：Described cooling water recirculation system
Including cooling tower and the condensate pump that cooling water circulation can be driven to flow.
8. Organic Rankine Cycle TRT according to claim 1, it is characterised in that：Set on described working medium booster pump
There is pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236549.1U CN206290297U (en) | 2016-11-18 | 2016-11-18 | A kind of Organic Rankine Cycle TRT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621236549.1U CN206290297U (en) | 2016-11-18 | 2016-11-18 | A kind of Organic Rankine Cycle TRT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290297U true CN206290297U (en) | 2017-06-30 |
Family
ID=59100615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621236549.1U Active CN206290297U (en) | 2016-11-18 | 2016-11-18 | A kind of Organic Rankine Cycle TRT |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104879A (en) * | 2018-01-17 | 2018-06-01 | 无锡锡压压缩机有限公司 | A kind of screw expander, helical-lobe compressor, the integrated system of motor |
| CN108678917A (en) * | 2018-04-27 | 2018-10-19 | 华北电力大学 | A kind of liquid temperature differential electricity generation system using screw-rod air compressor, expanding machine |
| WO2020201843A1 (en) | 2019-04-05 | 2020-10-08 | Atlas Copco Airpower, Naamloze Vennootschap | Power generation system and method to generate power by operation of such power generation system |
| BE1027172A1 (en) | 2019-04-05 | 2020-10-27 | Atlas Copco Airpower Nv | Power generation system and method of generating power using such power generation system |
-
2016
- 2016-11-18 CN CN201621236549.1U patent/CN206290297U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104879A (en) * | 2018-01-17 | 2018-06-01 | 无锡锡压压缩机有限公司 | A kind of screw expander, helical-lobe compressor, the integrated system of motor |
| CN108678917A (en) * | 2018-04-27 | 2018-10-19 | 华北电力大学 | A kind of liquid temperature differential electricity generation system using screw-rod air compressor, expanding machine |
| CN108678917B (en) * | 2018-04-27 | 2020-04-07 | 华北电力大学 | Liquid temperature difference power generation system utilizing screw type air compressor and expansion machine |
| WO2020201843A1 (en) | 2019-04-05 | 2020-10-08 | Atlas Copco Airpower, Naamloze Vennootschap | Power generation system and method to generate power by operation of such power generation system |
| BE1027172A1 (en) | 2019-04-05 | 2020-10-27 | Atlas Copco Airpower Nv | Power generation system and method of generating power using such power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181106 Address after: 056700 Shang Cheng town Industrial Park, Cheng An county, Handan, Hebei Patentee after: Hebei constant machinery and equipment Technology Co., Ltd. Address before: Room 601, 51 lane, 711 lane, Zheng Li Road, Yangpu District, Shanghai. Patentee before: Yuan Jianhua |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 056700 Shang Cheng town Industrial Park, Cheng An county, Handan, Hebei Patentee after: Hebei henggong precision equipment Co.,Ltd. Address before: 056700 Shang Cheng town Industrial Park, Cheng An county, Handan, Hebei Patentee before: HEBEI HENGONG MACHINERY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |