CN205117425U - Device of direct admission turbine inflation of saturated steam electricity generation - Google Patents
Device of direct admission turbine inflation of saturated steam electricity generation Download PDFInfo
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- CN205117425U CN205117425U CN201520698091.0U CN201520698091U CN205117425U CN 205117425 U CN205117425 U CN 205117425U CN 201520698091 U CN201520698091 U CN 201520698091U CN 205117425 U CN205117425 U CN 205117425U
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- 229920006395 saturated elastomer Polymers 0.000 title claims abstract description 50
- 230000005611 electricity Effects 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000006837 decompression Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 238000010248 power generation Methods 0.000 claims description 19
- 238000013022 venting Methods 0.000 claims description 19
- 230000000740 bleeding effect Effects 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
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- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
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- 239000002918 waste heat Substances 0.000 description 4
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- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
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- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a device of direct admission turbine inflation of saturated steam electricity generation belongs to resource and environment technical field. The device includes saturated steam heating system, gas -liquid separation system, the pipeline and the annex of the composite structure of throttling, cooling water circulation structure, deoxidization system and connection, is equipped with the extraction opening in the composite structure of throttling on the steam turbine, extraction opening pipe connection decompression surge damping valve, and the vapour mixing chamber is mended through mending the steam ports pipe connection to the decompression surge damping valve, and the generator is connected to the steam turbine, and the steam outlet of hydrophobic flash vessel passes through the surge damping valve and connects the mixing chamber. The utility model discloses do not have at final stage flow passage and remove under ordinary steam turbine (turbine) the condition of congealing the water measure, utilize the electricity generation of the direct admission turbine inflation of saturated steam, and ensure that the vapor expansion in -process does not produce the condensate water or the steam water capacity satisfies economy and safe service requirement.
Description
Technical field
The utility model relates to the device of a kind of saturated vapour direct admission turbine expansion power generation, especially for saturated vapour waste heat or the other forms of middle-low temperature heat of existing industrial discharge, solar electrical energy generation, the resourceful utilization of biomass power generation, geothermal power generation, belongs to resource and environment technical field.
Background technique
There are a large amount of residual heat resources in China, and it is higher that especially various fume afterheat resource has recovery feasibility, the feature of better economy.But low-temperature flue gas waste heat is not recycled in a lot of in the production process of 7 high energy consumption industries such as iron and steel, cement, caustic soda, synthetic ammonia, glass, sulfuric acid, calcium carbide, these resources can developing and utilizingpotentiality more than 100,000,000 tons of coals.Generally adopt exhaust heat boiler to add steam turbine mode at present and carry out Mist heat recovering, but because the degree of superheat of steam turbine to import flue gas there are certain requirements, in exhaust heat boiler, certain superheat section must be set, because superheat section pipe internal-external heat exchanger coefficient is all lower, cause exhaust heat boiler heat transfer area large, investment of equipment is very high, thus have impact on the enthusiasm of enterprise.In addition, many enterprises have a lot of mesolow saturated vapour to utilize, and cause enterprise energy utilization ratio lower, even cause the significant wastage of water resources.Therefore, this technology proposes to adopt saturated vapour direct admission turbine expansion power generation, can simplify exhaust heat boiler structure, reduce equipment manufacturing cost, or can the unnecessary saturated vapour waste heat of high efficiente callback enterprise.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the utility model is by the device of a kind of saturated vapour direct admission turbine expansion power generation.The technical problems to be solved in the utility model is: at final stage flow passage component without under common steam turbine (turbine) condition except solidifying water measure, utilize saturated vapour direct admission turbine expansion power generation, and guarantee in steam expansion process, not produce water of condensation or the satisfied economic and safe operation requirement of water content of steam, the utility model is achieved through the following technical solutions.
A device for saturated vapour direct admission turbine expansion power generation, this device comprises saturated vapour heating system, Separate System of Water-jet, throttling hybrid combination, cooling water circulation structure, the pipeline of deaerating type of cycles and connection and annex;
Described saturated vapour heating system is exhaust heat boiler 1, Separate System of Water-jet comprises gas-liquid separator 5 and hydrophobic development unit 13, throttling hybrid combination comprises admission cylinder 6, bleeding point 7, filling mouth 8, decompression venting valve 9, filling mixing chamber 10, steam turbine 11 and generator 12, cooling water circulation structure comprises water-cooled condenser 15, cooling tower 16 and circulating water pump 17, and deaerating type of cycles comprises oxygen-eliminating device 14;
Exhaust heat boiler 1 top of described saturated vapour heating system is provided with drum 4, and drum 4 is provided with steam (vapor) outlet 3, steam (vapor) outlet 3 respectively pipeline connects the oxygen-eliminating device 14 in Separate System of Water-jet in gas-liquid separator 5 and deaerating type of cycles, saturated vapour outlet in gas-liquid separator 5 connects the cylinder 6 of the steam turbine 11 in throttling hybrid combination, water of condensation outlet in gas-liquid separator 5 connects hydrophobic development unit 13, in throttling hybrid combination, steam turbine 11 is provided with bleeding point 7, bleeding point 7 pipeline connects decompression venting valve 9, decompression venting valve 9 connects filling mixing chamber 10 by filling mouth 8 pipeline, steam turbine 11 connects generator 12, the steam (vapor) outlet of hydrophobic development unit 13 connects mixing chamber 10 by pressure maintaining valve 9, the water of condensation outlet of hydrophobic development unit 13 connects oxygen-eliminating device 14, steam turbine 11 exhaust steam outlet connects water-cooled condenser 15, cooling water intake in water-cooled condenser 15 connects cooling tower 16 by circulating water pump 17, hot water outlet in water-cooled condenser 15 connects cooling tower 16, exhaust steam outlet in water-cooled condenser 15 connects oxygen-eliminating device 14 by condensate pump 18, the gas outlet of oxygen-eliminating device 14 connects the cyclic steam import 2 of exhaust heat boiler 1 by feed water pump 19.
When described throttling hybrid combination is main steam throttling hybrid combination, the saturated vapour outlet in Separate System of Water-jet in gas-liquid separator 5 connects cylinder 6 and the decompression venting valve 9 of the steam turbine 11 in throttling hybrid combination respectively.
The device working principle of this saturated vapour direct admission turbine expansion power generation:
One, centre throttling of bleeding is hybrid: saturated vapour enters steam turbine 11 through admission cylinder 6, saturated vapour carries out expansion work, its mass dryness fraction reduces, demi-inflation steam by bleeding point 7 through decompression venting valve 9 carry out reducing pressure by regulating flow to certain setting pressure (as pressure after reducing pressure be decompression before pressure 0.6-0.9 doubly), bleed through isenthalpic throttling by the known wet vapor of thermomechanics theorem, its mass dryness fraction can raise and even become superheated vapor, steam after throttling enters filling mixing chamber 10 by filling mouth 8, mix at tonifying Qi mixing chamber 10 with the wet vapor through multistage expansion, thus improve steam turbine (turbine) final stage exhaust steam mass dryness fraction, avoid water droplet to the erosion of blade.Steam turbine (turbine) expansion final stage steam is the wet vapor that saturated vapour or mass dryness fraction meet economic security standard, steam expansion power generation in steam turbine exports shaft work, steam turbine last stage exhaust steam mass dryness fraction meets the standard that Turbine Safety runs, thus steam turbine can run safely and efficiently.
Two, main steam throttling is hybrid: the saturated vapour in gas-liquid separator 5 go out main steam through decompression venting valve 9 carry out reducing pressure by regulating flow to certain setting pressure (as pressure after reducing pressure be decompression before pressure 0.6-0.9 doubly), in a part of saturated main steam throttling situation of employing, from thermodynamic principle, saturated vapour just becomes superheated vapor after isenthalpic throttling, and its mass dryness fraction increases, steam after throttling enters filling mixing chamber 10 by filling mouth 8, mix at tonifying Qi mixing chamber 10 with by the steam of inlet casing 6 through multistage expansion, thus improve steam turbine (turbine) final stage exhaust steam mass dryness fraction, avoid water droplet to blade flushing corrosion.Steam turbine (turbine) expansion final stage steam is the wet vapor that saturated vapour or mass dryness fraction meet economic security standard, steam expansion power generation in steam turbine exports shaft work, steam turbine last stage exhaust steam mass dryness fraction meets the standard that Turbine Safety runs, thus steam turbine can run safely and efficiently.
The utility model utilizes saturated vapour direct admission turbine expansion power generation, has following beneficial effect:
(1) saturated vapour directly enters steam turbine power generation, decreases superheat section, and heat-exchange performance improves, and equipment manufacturing cost reduces, to resistance to heat and the requirement of strength reduction of equipment appurtenance.
(2) saturated vapour directly enters steam turbine power generation, and the steam flow flowing through steam turbine in the unit time increases, and Effective power specific steam consumption reduces, and generated energy improves.
(3) saturated vapour in steam turbine is entered after expanding, some vapor through decompression venting valve reducing pressure by regulating flow to certain setting pressure, after throttling, steam quality improves, non-wiredrawn steam mass dryness fraction after expanding and doing manual work reduces, wiredrawn steam and non-wiredrawn steam enter tonifying Qi mixing chamber and mix, improving expansion steam mass dryness fraction makes it meet the mass dryness fraction scope of Turbine Safety stable operation, thus improves the mass dryness fraction of steam turbine (turbine) final stage exhaust steam, avoids it to rush corruption to blade.
(4) mass dryness fraction of steam turbine (turbine) expansion final stage steam is higher, and steam turbine inside can not produce water of condensation, and device does not need to arrange except solidifying water measure, and do not have water of condensation to be adsorbed on turbine blade in steam turbine operation process, steam turbine exports shaft work to be increased.
(5) use saturated vapour generating, the layout of waste heat boiler heating surface can be simplified.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram of the utility model saturated vapour direct admission turbine expansion power generation;
Fig. 2 is throttling hybrid combination schematic diagram of bleeding in the middle of the utility model;
Fig. 3 is the utility model main steam throttling hybrid combination schematic diagram.
Each label in figure: 1-exhaust heat boiler, the import of 2-cyclic steam, 3-steam (vapor) outlet, 4-drum, 5-gas-liquid separator, 6-admission cylinder, 7-bleeding point, 8-filling mouth, 9-decompression venting valve, 10-filling mixing chamber, 11-steam turbine, 12-generator, 13-hydrophobic development unit, 14-oxygen-eliminating device, 15-water-cooled condenser, 16-cooling tower, 17-circulating water pump, 18-condensate pump, 19-feed water pump.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 2, the device of this saturated vapour direct admission turbine expansion power generation, this device comprises saturated vapour heating system, Separate System of Water-jet, throttling hybrid combination, cooling water circulation structure, the pipeline of deaerating type of cycles and connection and annex;
Described saturated vapour heating system is exhaust heat boiler 1, Separate System of Water-jet comprises gas-liquid separator 5 and hydrophobic development unit 13, throttling hybrid combination comprises admission cylinder 6, bleeding point 7, filling mouth 8, decompression venting valve 9, filling mixing chamber 10, steam turbine 11 and generator 12, cooling water circulation structure comprises water-cooled condenser 15, cooling tower 16 and circulating water pump 17, and deaerating type of cycles comprises oxygen-eliminating device 14;
Exhaust heat boiler 1 top of described saturated vapour heating system is provided with drum 4, and drum 4 is provided with steam (vapor) outlet 3, steam (vapor) outlet 3 respectively pipeline connects the oxygen-eliminating device 14 in Separate System of Water-jet in gas-liquid separator 5 and deaerating type of cycles, saturated vapour outlet in gas-liquid separator 5 connects the cylinder 6 of the steam turbine 11 in throttling hybrid combination, water of condensation outlet in gas-liquid separator 5 connects hydrophobic development unit 13, in throttling hybrid combination, steam turbine 11 is provided with bleeding point 7, bleeding point 7 pipeline connects decompression venting valve 9, decompression venting valve 9 connects filling mixing chamber 10 by filling mouth 8 pipeline, steam turbine 11 connects generator 12, the steam (vapor) outlet of hydrophobic development unit 13 connects mixing chamber 10 by pressure maintaining valve 9, the water of condensation outlet of hydrophobic development unit 13 connects oxygen-eliminating device 14, steam turbine 11 exhaust steam outlet connects water-cooled condenser 15, cooling water intake in water-cooled condenser 15 connects cooling tower 16 by circulating water pump 17, hot water outlet in water-cooled condenser 15 connects cooling tower 16, exhaust steam outlet in water-cooled condenser 15 connects oxygen-eliminating device 14 by condensate pump 18, the gas outlet of oxygen-eliminating device 14 connects the cyclic steam import 2 of exhaust heat boiler 1 by feed water pump 19.
Embodiment 2
As shown in Figure 1,3, the device of this saturated vapour direct admission turbine expansion power generation, this device comprises saturated vapour heating system, Separate System of Water-jet, throttling hybrid combination, cooling water circulation structure, the pipeline of deaerating type of cycles and connection and annex;
Described saturated vapour heating system is exhaust heat boiler 1, Separate System of Water-jet comprises gas-liquid separator 5 and hydrophobic development unit 13, throttling hybrid combination comprises admission cylinder 6, bleeding point 7, filling mouth 8, decompression venting valve 9, filling mixing chamber 10, steam turbine 11 and generator 12, cooling water circulation structure comprises water-cooled condenser 15, cooling tower 16 and circulating water pump 17, and deaerating type of cycles comprises oxygen-eliminating device 14;
Exhaust heat boiler 1 top of described saturated vapour heating system is provided with drum 4, and drum 4 is provided with steam (vapor) outlet 3, steam (vapor) outlet 3 respectively pipeline connects the oxygen-eliminating device 14 in Separate System of Water-jet in gas-liquid separator 5 and deaerating type of cycles, saturated vapour outlet in gas-liquid separator 5 connects the cylinder 6 of the steam turbine 11 in throttling hybrid combination, water of condensation outlet in gas-liquid separator 5 connects hydrophobic development unit 13, in throttling hybrid combination, steam turbine 11 is provided with bleeding point 7, bleeding point 7 pipeline connects decompression venting valve 9, decompression venting valve 9 connects filling mixing chamber 10 by filling mouth 8 pipeline, steam turbine 11 connects generator 12, the steam (vapor) outlet of hydrophobic development unit 13 connects mixing chamber 10 by pressure maintaining valve 9, the water of condensation outlet of hydrophobic development unit 13 connects oxygen-eliminating device 14, steam turbine 11 exhaust steam outlet connects water-cooled condenser 15, cooling water intake in water-cooled condenser 15 connects cooling tower 16 by circulating water pump 17, hot water outlet in water-cooled condenser 15 connects cooling tower 16, exhaust steam outlet in water-cooled condenser 15 connects oxygen-eliminating device 14 by condensate pump 18, the gas outlet of oxygen-eliminating device 14 connects the cyclic steam import 2 of exhaust heat boiler 1 by feed water pump 19, when wherein throttling hybrid combination is main steam throttling hybrid combination, the saturated vapour outlet in Separate System of Water-jet in gas-liquid separator 5 connects cylinder 6 and the decompression venting valve 9 of the steam turbine 11 in throttling hybrid combination respectively.
Below by reference to the accompanying drawings embodiment of the present utility model is explained in detail, but the utility model is not limited to above-mentioned mode of execution, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (2)
1. a device for saturated vapour direct admission turbine expansion power generation, is characterized in that: this device comprises saturated vapour heating system, Separate System of Water-jet, throttling hybrid combination, cooling water circulation structure, the pipeline of deaerating type of cycles and connection and annex;
Described saturated vapour heating system is exhaust heat boiler (1), Separate System of Water-jet comprises gas-liquid separator (5) and hydrophobic development unit (13), throttling hybrid combination comprises admission cylinder (6), bleeding point (7), filling mouth (8), decompression venting valve (9), filling mixing chamber (10), steam turbine (11) and generator (12), cooling water circulation structure comprises water-cooled condenser (15), cooling tower (16) and circulating water pump (17), and deaerating type of cycles comprises oxygen-eliminating device (14);
Exhaust heat boiler (1) top of described saturated vapour heating system is provided with drum (4), and drum (4) is provided with steam (vapor) outlet (3), steam (vapor) outlet (3) respectively pipeline connects the oxygen-eliminating device (14) in Separate System of Water-jet in gas-liquid separator (5) and deaerating type of cycles, saturated vapour outlet in gas-liquid separator (5) connects the cylinder (6) of the steam turbine (11) in throttling hybrid combination, water of condensation outlet in gas-liquid separator (5) connects hydrophobic development unit (13), in throttling hybrid combination, steam turbine (11) is provided with bleeding point (7), bleeding point (7) pipeline connects decompression venting valve (9), decompression venting valve (9) connects filling mixing chamber (10) by filling mouth (8) pipeline, steam turbine (11) connects generator (12), the steam (vapor) outlet of hydrophobic development unit (13) connects mixing chamber (10) by pressure maintaining valve (9), the water of condensation outlet of hydrophobic development unit (13) connects oxygen-eliminating device (14), steam turbine (11) exhaust steam outlet connects water-cooled condenser (15), cooling water intake in water-cooled condenser (15) connects cooling tower (16) by circulating water pump (17), hot water outlet in water-cooled condenser (15) connects cooling tower (16), exhaust steam outlet in water-cooled condenser (15) connects oxygen-eliminating device (14) by condensate pump (18), the gas outlet of oxygen-eliminating device (14) connects the cyclic steam import (2) of exhaust heat boiler (1) by feed water pump (19).
2. the device of saturated vapour according to claim 1 direct admission turbine expansion power generation, it is characterized in that: when described throttling hybrid combination is main steam throttling hybrid combination, the saturated vapour outlet in Separate System of Water-jet in gas-liquid separator (5) connects cylinder (6) and the decompression venting valve (9) of the steam turbine (11) in throttling hybrid combination respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698091.0U CN205117425U (en) | 2015-09-10 | 2015-09-10 | Device of direct admission turbine inflation of saturated steam electricity generation |
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| CN201520698091.0U CN205117425U (en) | 2015-09-10 | 2015-09-10 | Device of direct admission turbine inflation of saturated steam electricity generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089723A (en) * | 2015-09-10 | 2015-11-25 | 昆明理工大学 | Device of saturated steam directly entering turbine for expansion power generation |
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- 2015-09-10 CN CN201520698091.0U patent/CN205117425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089723A (en) * | 2015-09-10 | 2015-11-25 | 昆明理工大学 | Device of saturated steam directly entering turbine for expansion power generation |
| CN105089723B (en) * | 2015-09-10 | 2016-12-07 | 昆明理工大学 | A kind of saturated vapor directly enters the device of turbine expansion generating |
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