CN104594965B - A kind of organic Rankine cycle power generation system - Google Patents
A kind of organic Rankine cycle power generation system Download PDFInfo
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- CN104594965B CN104594965B CN201310532832.3A CN201310532832A CN104594965B CN 104594965 B CN104594965 B CN 104594965B CN 201310532832 A CN201310532832 A CN 201310532832A CN 104594965 B CN104594965 B CN 104594965B
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000006200 vaporizer Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
Adopt a power generation system for split type evaporative condenser generating set, comprise heat power supply device and the organic Rankine bottoming cycle generating set of the split type vaporizer-condenser of N group; The organic Rankine bottoming cycle generating set of the described split type vaporizer-condenser of N group is connected by main road pipeline with described heat power supply device; Wherein N is natural number. Adopt the organic Rankine bottoming cycle generating set of evaporative condenser, comprise split type vaporizer-condenser, working medium pump, vaporizer and generating set; Split type vaporizer-condenser, comprises main box, induced draft fan, water eliminator, water distributor, condensing coil and filler unit; Described induced draft fan, described water eliminator, described water distributor, described condensing coil, described filler unit and described flow deflector it is provided with from top to bottom successively in described main box. Present invention achieves system stable operation, optimize system energy efficiency; Greatly simplify the control process of water treatment, it is to increase the reliability and stability of running efficiency of system and system; Economize on resources, reduce resources costs.
Description
Technical field
The present invention relates to low-temperature electricity-generating technical field, especially relate to evaporative condenser and adopt its organic Rankine cycle power generation system.
Background technology
In prior art, due to features such as organic Rankine cycle power generation system are simple, generating efficiency is relatively high, become and reclaimed the hot spot technology of low temperature exhaust heat for generating electricity at present. The application abroad of organic Rankine bottoming cycle generating set has had certain scale, is more common in the recovery of underground heat and industrial waste heat; Condenser is one of major parts of organic Rankine cycle power generation system, and its performance directly affects the generating efficiency of system.
Condenser is one of major parts of organic Rankine cycle power generation system, and its performance directly affects the generating efficiency of system. Condensation method roughly has three kinds, is respectively air-cooled, water-cooled, evaporating type condensing. Current organic Rankine bottoming cycle generating set, condenser adopts traditional shell and tube heat exchanger mostly, and heat exchange form is water-cooled. The heat that water coolant absorbs working medium within the condenser makes its condensation, then finally heats sink to atmospheric environment by cooling tower. Relative to shell and tube heat exchanger, the major advantage of evaporating type condensing is that energy consumption is low, condensing temperature is low, do not need additional configuration cooling tower, but usually require to run continuously due to organic Rankine bottoming cycle generating set throughout the year, reliability requirement is higher, so evaporating type condensing is not effectively applied in organic Rankine cycle power generation system.
Owing to evaporative condenser also exists the shortcoming of fouling and corrosion all unavoidably. Owing to quantity of circulating water is few, fouling and corrosion phenomenon are even more serious than water-cooled. Fouling will reduce the performance of evaporative condenser greatly, it is thus desirable to carry out strict water treatment and regular cleaning due to important, so being badly in need of a kind of novel evaporative condenser of research and development and obtaining the power generation system of effective application in organic Rankine bottoming cycle.
Summary of the invention
It is an object of the invention to the organic Rankine cycle power generation system designing a kind of evaporative condenser and adopting it, solve the problem.
In order to realize above-mentioned purpose, the technical solution used in the present invention is as follows:
A kind of split type vaporizer-condenser, comprises main box, induced draft fan, water eliminator, water distributor, condensing coil and filler unit; Be provided with described induced draft fan in described main box from top to bottom successively, stop water droplet by the described filler unit of the described water eliminator of described induced draft fan, the described water distributor introducing moisture, the described condensing coil receiving described water distributor spray water and dividing, the drippage moisture that receives described condensing coil and guide moisture flow to described flow deflector; The corresponding described main box position of described water distributor is provided with water-in; The lower end of the described main box of described filler unit correspondence position is provided with blast inlet.
Preferably, being also provided with flow deflector bottom described main box, the described main box position that the end that described flow deflector flows to is corresponding is provided with pod apertures.
Adopt an organic Rankine bottoming cycle generating set for described evaporative condenser, comprise split type vaporizer-condenser, working medium pump, vaporizer and generating set; Described generating set comprises decompressor, generator and power supply device; Described decompressor is connected with described generator; Described generator is connected with described power supply device; Described decompressor, described evaporative condenser, described working medium pump and described vaporizer are connected successively by circulating line; Described split type vaporizer-condenser can be replaced evaporative condenser, and wherein N is natural number.
A kind of the power generation system of described generating set is adopted to comprise heat power supply device and the organic Rankine bottoming cycle generating set of the split type vaporizer-condenser of N group; The organic Rankine bottoming cycle generating set of the described split type vaporizer-condenser of N group is connected by main road pipeline with described heat power supply device.
Preferably, when N is more than or equal to 2, it is parallel-connected on the pipeline of described main road by bypass line between the described generating set of N group.
Preferably, described bypass line is provided with branch road valve, and described main road pipeline is provided with main road valve.
Adopt an organic Rankine cycle power generation system for split type vaporizer-condenser, comprise heat power supply device, waterworks and the N group generating set containing described evaporative condenser; Described waterworks is connected with the described generating set of N group; The described generating set of N group is connected by main road pipeline with described heat power supply device; Wherein N is natural number.
Preferably, described waterworks comprises water pump, water tank, water processing control device, chemicals dosing plant and blowdown apparatus; The described generating set of N group comprises N group water distributor and N group main box; The described water distributor of N group is connected with described water tank by water supply pipeline; Described water supply pipeline is provided with described water pump; Described water tank is connected by water return pipeline with the described main box of N group; Described water tank is connected with described chemicals dosing plant; Described water tank bottom is provided with blowdown apparatus; Described water tank is provided with the described water processing control device of the described chemicals dosing plant of control and blowdown apparatus.
Preferably, when N is more than or equal to 2, it is connected on described water supply pipeline after the described water distributor parallel connection of N group; It is connected on described water return pipeline after the described main box parallel connection of N group.
Preferably, described water supply pipeline is equipped with spray valve door.
The useful effect of the present invention can be summarized as follows:
1, present invention achieves the steady running of system, optimize system energy efficiency;
2, the present invention adopts multiple stage to comprise the power generation system of evaporative condenser, greatly simplify the control process of water treatment, it is to increase the reliability and stability of running efficiency of system and system works;
3, the present invention adopts evaporative condenser, it is not necessary to additionally arranges cooling tower, economizes on resources, reduces resources costs;
4, present invention reduces the cooling energy consumption of organic Rankine bottoming cycle generating set;
5, the present invention adopts multiple stage to comprise the power generation system of evaporative condenser, available use wherein one in perform condenser cleaning and as reserve machine, effectively solve the cleaning problem of evaporative condenser, ensured base lotus powerup issue.
6, spray can be stopped under the environment lower at temperature of the present invention to drench, it is achieved organic Rankine cycle power generation system whole year operation.
Accompanying drawing explanation
Fig. 1 is the split type vaporizer-condenser structural representation of the present invention;
101-induced draft fan, 102-water eliminator, 103-water distributor, 104-condensing coil, 105-main box, 106-filler unit, 107-blast inlet, 108-pod apertures, 109-flow deflector.
The evaporative condenser that Fig. 2 is the present invention is connected structural representation with waterworks;
201-water tank, 202-automatic water-replenishing device, 203-water pump, 204-blowdown apparatus, 205-water processing control device, 206-chemicals dosing plant.
Fig. 3 is the generator unit structure schematic diagram of the employing evaporative condenser of the present invention; (after numbering above-mentioned technology to be determined, revising figure number)
301-evaporative condenser, 302-working medium pump, 303-vaporizer, 304-decompressor, 305-generator, 306-heat power supply device, 307-powers device.
Fig. 4 is the structural representation that the present invention adopts the organic Rankine cycle power generation system of evaporative condenser;
401-the 1st generating set, 402-the 2nd generating set, 403-N generating set, 404-N+1 generating set, 405-main road valve, 406-branch road valve, 407-spray valve door.
Embodiment
In order to make technical problem solved by the invention, technical scheme and useful effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention. (supplementing after claim to be confirmed to be determined)
For evaporative condenser, the cleaning of water treatment and evaporating type condensing condenser is most important, as shown in Figure 1, a kind of novel split type vaporizer-condenser, comprises main box 105, induced draft fan 101, water eliminator 102, water distributor 103, condensing coil 104 and filler unit 106; Described induced draft fan 101, described water eliminator 102, described water distributor 103, described condensing coil 104, described filler unit 106 and described flow deflector 109 it is provided with from top to bottom successively in described main box 105; Corresponding described main box 105 position of described water distributor 103 is provided with water-in; The lower end of the described main box 105 of described filler unit 106 correspondence position is provided with blast inlet 107; Also being provided with flow deflector 109 bottom described main box 105, described main box 105 position that the end that described flow deflector 109 flows to is corresponding is provided with pod apertures 108.
During middle high temperature season, this device works with the evaporating type of cooling, the split type vaporizer-condenser 301 being illustrated in figure 2 the present invention is connected structure with waterworks, and described waterworks comprises water pump 203, water tank 201, water processing control device 205, chemicals dosing plant 206 and blowdown apparatus 204; Water in water tank 201 is delivered to the water distributor 103 of eminence by water pump 203 by water supply pipeline, and spray is drenched in the surface of condensing coil 104, forms water film. Water film heats by the working medium in condensing coil 104, part water film evaporation, another part water film temperature raises and drops to filler unit 106, flows into bottom main box 105, flow into water tank 201 by pod apertures 108 by water return pipeline along flow deflector 109 after lowering the temperature with air heat exchange upwards.
Air is then sucked by blast inlet 107, upwards through filler unit 106, water dirty to main box 105 bottom and flow deflector 109 is carried out heat exchange, humidity increases, moisture continues upwards through condensing coil 104, with water film heat exchange and take away the moisture of evaporation, moisture is upwards through water eliminator 102, the drop that water eliminator 102 carries is blocked, and air is finally expelled to atmospheric environment by induced draft fan 101. Under the control of water processing control device 205, chemicals dosing plant 206 performs adding of chemical agent, and blowdown apparatus 204 performs regular blowdown, to guarantee water quality, to suppress microorganism growth, and slows down fouling and the corrosion of condenser. Moisture evaporation and blowdown will cause moisture loss. Automatic water-replenishing device 202 can ensure the constant level in water tank 201.
During low temperature season, this device works with cooling air mode. Wherein, water pump 203 is shut down, and the water in water tank 201 is emptying, and water eliminator 102 and filler are removed. Air is sucked by blast inlet 107, upwards through condensing coil 104. Air directly contacts with condensing coil 104, takes away the heat of intraductal working medium. Air after temperature rising is expelled to atmospheric environment by induced draft fan 101. Which incorporates the feature of split type vaporizer-condenser 301 with air cooler, can for the difference in season, it is achieved whole year operation. Design owing to have employed water tank 201, public water tank 201 during multiple stage unit operation, can be adopted, share a set of water treatment system, simplify water technology.
A kind of organic Rankine bottoming cycle generating set adopting split type vaporizer-condenser as shown in Figure 3, comprises split type vaporizer-condenser 301, working medium pump 302, vaporizer 303 and generating set; Described split type vaporizer-condenser 301, described working medium pump 302, described vaporizer 303 and described generating set are connected successively by circulating line; Described generating set comprises decompressor 304, generator 305 and power supply device 307; Described decompressor 304 is connected with described generator 305; Described generator 305 is connected with described power supply device 307; Described decompressor 304, described split type vaporizer-condenser 301, described working medium pump 302 and described vaporizer 303 are connected successively by circulating line. Liquid organic working medium, through working medium pump 302, sends into vaporizer 303; After absorbing the heat that heat power supply device 306 is supplied, liquid organic working medium evaporation becomes gaseous working medium, and the decompressor 304 that gaseous working medium enters in generating set does work, and drives generator 305 to generate electricity, and outwards provides electric power by power supply device 307. Gaseous working medium then enters split type vaporizer-condenser 301, and condensation becomes liquid organic working medium, again sends into working medium pump 302, completes thermodynamic cycle.
When unit runs, split type vaporizer-condenser 301 needs periodic blow down and automatic water supplement, in addition, has to pass through water treatment with water, to suppress microorganism growth, and slows down fouling and the corrosion of condenser. According to condensing coil fouling situation, it is necessary to carry out irregular stop cleaning. Generating set requires to ensure uninterrupted power supply usually, and when therefore unit runs, the cleaning of condenser can bring puzzlement to system. So have developed the power generation system of a kind of organic Rankine bottoming cycle generating set adopting split type vaporizer-condenser 301 as shown in Figure 4 on the basis of this organic Rankine bottoming cycle generating set adopting split type vaporizer-condenser 301, this system comprises the organic Rankine bottoming cycle generating set of the split type vaporizer-condenser 301 of heat power supply device 306, waterworks and N+1 parallel machine operation; The organic Rankine bottoming cycle generating set of the split type vaporizer-condenser 301 of N+1 sets in parallel operation comprises the 1st generating set 401, the 2nd generating set 402, N generating set 403 and the N+1 generating set 404 that are connected in parallel, and the 1st generating set 401, the 2nd generating set 402, N generating set 403 and N+1 generating set 404 are connected on the pipeline of main road by one end after bypass line parallel connection; Bypass line is provided with branch road valve 406; Main road pipeline is provided with main road valve 405; Main road pipeline is connected with heating plant; The pipeline that main road pipeline is connected with heating plant is provided with spray valve door 407; 1st generating set 401, the 2nd generating set 402, N generating set 403 and N+1 generating set 404 are connected with waterworks by the other end after bypass line parallel connection; Wherein N+1 be more than or equal to 1 natural number; Native system adopts N with 1 for pattern, and when middle high temperature season normally runs, when wherein N group generating set runs generating, the spray valve door 407 that corresponding N group generating set is corresponding is opened; 1 group of generating set is for subsequent use and carries out split type vaporizer-condenser 301 and cleans, and 1 group of corresponding spray valve door 407 of generating set is closed. Start and stop order and time between unit are regulated by external control device. Split type vaporizer-condenser 301 in said process all can replace with common vaporizer-condenser, but its effect is by far away not as good as the effect adopting split type vaporizer-condenser to reach; By in conjunction with evaporating type condensing and air-cooled type condensation, being possible not only to realize unit whole year operation, additionally it is possible to optimization system efficiency. Share the water tank 201 of a cooling more by organizing generating set, greatly simplify water processing control process, ensure that base lotus is powered, it is to increase its reliability.
Detailed in preferred embodiment the present invention is described above by concrete; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; the any amendment done, equivalent replacement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an organic Rankine bottoming cycle generating set, it is characterised in that: comprise split type vaporizer-condenser, working medium pump, vaporizer and generating set; Described generating set comprises decompressor, generator and power supply device; Described decompressor is connected with described generator; Described generator is connected with described power supply device; Described decompressor, described split type vaporizer-condenser, described working medium pump and described vaporizer are connected successively by circulating line;
Described split type vaporizer-condenser comprises main box, induced draft fan, water eliminator, water distributor, condensing coil and filler unit; Be provided with flow deflector bottom described main box, in described main box, be provided with described induced draft fan from top to bottom successively, stop water droplet by the described filler unit of the described water eliminator of described induced draft fan, the described water distributor introducing moisture, the described condensing coil receiving described water distributor spray water and dividing, the drippage moisture that receives described condensing coil and guide moisture flow to described flow deflector; The corresponding described main box position of described water distributor is provided with water-in; The lower end of the described main box of described filler unit correspondence position is provided with blast inlet.
2. organic Rankine bottoming cycle generating set according to claim 1, it is characterised in that: the described main box position that the end that described flow deflector flows to is corresponding is provided with pod apertures.
3. one kind adopts the power generation system of organic Rankine bottoming cycle generating set described in claim 1 or 2, it is characterised in that: comprise heat power supply device and N group organic Rankine bottoming cycle generating set; N group described organic Rankine bottoming cycle generating set is connected by main road pipeline with described heat power supply device, and wherein N is natural number.
4. power generation system according to claim 3, it is characterised in that: when N is more than or equal to 2, it is parallel-connected on the pipeline of described main road by bypass line between the described generating set of N group.
5. power generation system according to claim 4, it is characterised in that: described bypass line is provided with branch road valve, and described main road pipeline is provided with main road valve.
6. one kind adopts the organic Rankine cycle power generation system of split type vaporizer-condenser according to claim 1, it is characterised in that: comprise heat power supply device, waterworks and the N group generating set containing described split type vaporizer-condenser; Described waterworks is connected with the described generating set of N group; The described generating set of N group is connected by main road pipeline with described heat power supply device; Wherein N is natural number.
7. organic Rankine cycle power generation system according to claim 6, it is characterised in that: described waterworks comprises water pump, water tank, water processing control device, chemicals dosing plant and blowdown apparatus; The described generating set of N group comprises N group water distributor and N group main box; The described water distributor of N group is connected with described water tank by water supply pipeline; Described water supply pipeline is provided with described water pump; Described water tank is connected by water return pipeline with the described main box of N group; Described water tank is connected with described chemicals dosing plant; Described water tank bottom is provided with blowdown apparatus; Described water tank is provided with the described water processing control device of the described chemicals dosing plant of control and blowdown apparatus.
8. organic Rankine cycle power generation system according to claim 7, it is characterised in that: when N is more than or equal to 2, it is connected on described water supply pipeline after the described water distributor parallel connection of N group; It is connected on described water return pipeline after the described main box parallel connection of N group.
9. organic Rankine cycle power generation system according to claim 7, it is characterised in that: described water supply pipeline is equipped with spray valve door.
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| CN203534263U (en) * | 2013-10-31 | 2014-04-09 | 北京华航盛世能源技术有限公司 | Evaporative condenser and organic Rankine cycle power generation system adopting the same |
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- 2013-10-31 CN CN201310532832.3A patent/CN104594965B/en active Active
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| JP2008522081A (en) * | 2004-11-30 | 2008-06-26 | キャリア コーポレイション | Waste heat power generation method and apparatus |
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Denomination of invention: An organic Rankine cycle power generation system Effective date of registration: 20210205 Granted publication date: 20160601 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BEIJING HUAHANG SHENGSHI ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021990000151 |
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Date of cancellation: 20230421 Granted publication date: 20160601 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BEIJING HUAHANG SHENGSHI ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021990000151 |