CN209369886U - A kind of bypass double reheat power generator cooling using deep sea water - Google Patents
A kind of bypass double reheat power generator cooling using deep sea water Download PDFInfo
- Publication number
- CN209369886U CN209369886U CN201821779537.2U CN201821779537U CN209369886U CN 209369886 U CN209369886 U CN 209369886U CN 201821779537 U CN201821779537 U CN 201821779537U CN 209369886 U CN209369886 U CN 209369886U
- Authority
- CN
- China
- Prior art keywords
- entrance
- pressure
- low
- steam turbine
- bypass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A kind of bypass double reheat power generator cooling using deep sea water provided by the utility model, including boiler, steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder, condenser, condensate pump, low-pressure heating device, oxygen-eliminating device, the second feed pump, hyperbaric heating device, regulating valve, pass-out steam turbine, generator, bypass condenser and water pump, extraction section Steam Turbine Through IP Admission is discharged into the steam of low pressure (LP) cylinder, after regulating valve, into pass-out steam turbine, it does work in pass-out steam turbine, pass-out steam turbine steam discharge is sent into bypass condenser；Deep layer Mare Frigoris water is sent into bypass condenser by water pump, carries out the high temperature steam discharge in cooling bypass condenser；Deep layer Mare Frigoris water is discharged into ocean shallow-layer after heating up in bypass condenser.
Description
Technical field
The utility model belongs to coal fired power plant energy conservation field, and in particular to a kind of cooling using deep sea water
Bypass double reheat power generator.
Background technique
Coal-burning power plant's double reheat technology application start from the 1950s, the U.S., Japan, European Union etc. have it is secondary again
Heat engine group operational performance.In early phase by metal material, system structure is complicated, unit availability is not high the problems such as shadow
It rings, unit operational reliability and economy are poor；To in the 1980s, operating experience early period is being summarized by American Electric Power research institute
After lesson, feasibility optimizing research has been carried out according to technical level at that time.Since high efficiency burnt gas is greatly developed in American Electric Power industry
Steam Combined Cycle, double reheat are not implemented in the U.S., and there are Japan and several double reheat power generation sets of Denmark in current foreign countries
It remains operational, the representative are the Nordjylland power plant of the Chuan Yue power plant of Japan and Denmark.
China has created a collection of double reheat large size Thermal generation unit in recent years, with climbing for the fossil fuels cost such as coal
It rises and the increase of carbon emission reduction pressure will force China's consideration is large quantities of to use double reheat technology, further increase unit and integrally imitate
Rate reduces the consumption of fuel and the discharge amount of burning pollutant.However, the equipment cost of double reheat power generation sets is high, economy effect
Benefit is even lower than efficient single reheat unit.China at present in-service coal unit mainly based on single reheat unit.
Summary of the invention
The purpose of this utility model is to provide a kind of bypass double reheat power generator cooling using deep sea water, solutions
Determined existing double reheat power generation sets equipment cost it is high, economic benefit is even lower than the defect of efficient single reheat unit.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of bypass double reheat power generator cooling using deep sea water provided by the utility model, including boiler,
Steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder, condenser, condensate pump, low-pressure heating device, oxygen-eliminating device,
Two feed pumps, hyperbaric heating device, regulating valve, pass-out steam turbine, generator, bypass condenser and water pump, wherein the mistake of boiler
The entrance of hot steam outlet connection steam turbine high-pressure cylinder, the entrance of the superheated steam outlet connection boiler of steam turbine high-pressure cylinder；Pot
The entrance of the reheated steam outlet connection Steam Turbine Through IP Admission of furnace, the outlet connection turbine low pressure cylinder of Steam Turbine Through IP Admission enter
Mouthful, the outlet of turbine low pressure cylinder connects condenser entrance, and the room temperature liquid water of condenser adds by condensate pump connection low pressure
The entrance of thermal, the entrance of the outlet connection oxygen-eliminating device of low-pressure heating device, the outlet of oxygen-eliminating device connects hyperbaric heating device
Entrance, the outlet of hyperbaric heating device connects boiler；
Steam Turbine Through IP Admission and the connecting pipe of turbine low pressure cylinder are provided with branch's steam extraction bypass, and steam extraction bypass is passed through
Regulating valve connects the entrance of pass-out steam turbine, and the entrance of the exhaust vent connection bypass condenser of pass-out steam turbine bypasses condensing
The entrance of the condensation water out connection condensate pump of device；Deep layer Mare Frigoris water is entered by the cooling water that water pump enters bypass condenser
Mouthful.
Preferably, heating surface is provided in the horizontal flue of boiler, a steam extraction of Steam Turbine Through IP Admission is bypassed through toning
Save the entrance of valve connection heating surface, the entrance of the outlet connection pass-out steam turbine of heating surface.
Preferably, low-pressure heating device include the first low-pressure heater, the second low-pressure heater, third low-pressure heater and
4th low-pressure heater, wherein the outlet of condensate pump is sequentially connected the first low-pressure heater, the second low-pressure heater, third
The entrance of low-pressure heater and the 4th low-pressure heater, the entrance of the outlet connection oxygen-eliminating device of the 4th low-pressure heater.
Preferably, pressurized, heated device includes the first high-pressure heater, the second high-pressure heater, third high-pressure heater,
Wherein, the outlet of oxygen-eliminating device is sequentially connected the entrance of the first high-pressure heater, the second high-pressure heater and third high-pressure heater,
The entrance of the outlet connection boiler of third high-pressure heater.
Preferably, it is additionally provided with branch bypass in Steam Turbine Through IP Admission, which connects the entrance of small turbine, small
The entrance of the outlet connection condenser of steam turbine.
Preferably, it is additionally provided with branch bypass in Steam Turbine Through IP Admission, which connects the entrance of oxygen-eliminating device.
Compared with prior art, the utility model has the beneficial effects that
A kind of bypass double reheat power generator cooling using deep sea water provided by the utility model, from existing steamer
Extraction section steam in machine mesolow cylinder communicating pipe increases into a bypass low-pressure turbine, thickeies the steam turbine last stage leaf
Piece, steam exhaust is cooling using deep sea water, as far as possible reduces the exhaust pressure of the steam turbine, and reduce mass dryness fraction, to reduce combustion
Coal-fired plant's cold end loss；On the other hand, steam enters before bypass low-pressure turbine in this section, and steam is sent into boiler tail
Heating surface is overheated, and the temperature of this some vapor is improved.Steam turbine enthalpy drop is finally improved in terms of two, makes the bypass low pressure
The efficiency of steam turbine is higher than the efficiency of former turbine low pressure cylinder, realizes the purpose for reducing coal consumption.Due to being part steam extraction, need
Increased heated surface at the end of boiler is smaller, smaller on boiler system influence, and extracting seawater amount is less, engineered difficulty and investment
It can reduce.
Further, the bypass double reheat electricity-generating method cooling using deep sea water and dress provided by the utility model
It sets, the vapor (steam) temperature into pass-out steam turbine can be effectively improved, improve steam turbine power generation efficiency, reach and improve unit generation effect
Rate reduces the effect of coal consumption.
Further, the bypass double reheat electricity-generating method cooling using deep sea water and dress provided by the utility model
It sets, coal fired power plant cold end loss can be reduced, reduce turbine back pressure, reach raising efficiency of generating unit, reduce the effect of coal consumption.
Further, the bypass double reheat electricity-generating method cooling using deep sea water and dress provided by the utility model
It sets, system is simple and easy, and revamping workload is small, and economy is good.
Detailed description of the invention
Fig. 1 is the double reheat generating device structure schematic diagram of the utility model；
Wherein, 1, boiler 2, steam turbine high-pressure cylinder 3, Steam Turbine Through IP Admission 4, turbine low pressure cylinder 5, condenser 6,
Condensate pump 7, the first low-pressure heater 8, the second low-pressure heater 9, third low-pressure heater 10, the 4th low-pressure heater
11, oxygen-eliminating device 12, feed pump 13, the first high-pressure heater 14, the second high-pressure heater 15, third high-pressure heater 16,
Small turbine 17, regulating valve 18, pass-out steam turbine 19, generator 20, bypass condenser 21, water pump 22, heating surface.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of bypass double reheat power generator cooling using deep sea water provided by the utility model,
Specifically include boiler 1, steam turbine high-pressure cylinder 2, Steam Turbine Through IP Admission 3, turbine low pressure cylinder 4, condenser 5, condensate pump 6,
One low-pressure heater 7, the second low-pressure heater 8, third low-pressure heater 9, the 4th low-pressure heater 10, oxygen-eliminating device 11, water supply
Pump the 12, first high-pressure heater 13, the second high-pressure heater 14, third high-pressure heater 15, small turbine 16, regulating valve 17,
Pass-out steam turbine 18, generator 19, bypass condenser 20, water pump 21 and heating surface 22, wherein
The water outlet of third high-pressure heater 15 is connect with the water inlet of boiler 1, is fired in boiler 1 by coal dust and air
It burns the high-temperature flue gas generated to heat the water supply of third high-pressure heater 15, generates the superheated steam of high temperature and pressure；
Superheated steam outlet on boiler 1 is connect with the superheated steam entrance on steam turbine high-pressure cylinder 2, passes through steam turbine height
Cylinder pressure 2 does work, and is discharged into the superheated steam after acting heats again into boiler 1 later, forms reheated steam；
Reheated steam outlet on boiler 1 is connect with the reheated steam entrance in Steam Turbine Through IP Admission 3, by steam turbine
After cylinder pressure 3 does work, steam discharge enters into turbine low pressure cylinder 4 later, after the acting of turbine low pressure cylinder 4, is discharged into condenser 5
Cool down；
The room temperature liquid water generated in condenser 5 by condensate pump 6 pressurization after, successively by the first low-pressure heater 7,
Second low-pressure heater 8, third low-pressure heater 9 and the 4th low-pressure heater 10 carry out heating pressurization, enter oxygen-eliminating device later
In 11, the high temperature saturation water out on oxygen-eliminating device 11 successively passes through the first high-pressure heater 13, second after the pressurization of water pump 12
High-pressure heater 14 and third high-pressure heater 15 are sent into boiler 1, ultimately form the circulation of working medium.
Meanwhile three bypasses are additionally provided in Steam Turbine Through IP Admission 3, the steam extraction of a bypass is connect with oxygen-eliminating device 11；The
It the steam extractions of two bypasses and send to small turbine 16,16 steam discharge of small turbine is sent into condenser 5；The steam extraction warp of third branch bypass
It overregulates valve 17 to enter in 1 horizontal flue of boiler in increased heating surface 22, overheats steam again, form bypass double reheat
Process；Superheated steam in boiler 1 is discharged into pass-out steam turbine 18, acting and driven generator 19 in pass-out steam turbine 18,
The exhaust vent of pass-out steam turbine 18 with bypass condenser 20 entrance connect, enter to bypass coagulator in high-temperature steam and
Mare Frigoris water carries out heat exchange, and the room temperature liquid water after cooling enters in the first low-pressure heater 7 after the pressurization of condensate pump 6,
Meanwhile normal temperature seawater is discharged.
Seawater in Mare Frigoris water enters in bypass condenser 20 by water pump 21.
Its process are as follows:
Coal dust and air burn in boiler 1, and the high-temperature flue gas of generation is heated in boiler from third high-pressure heater 15
The water supply confessed is exported, the superheated steam of high temperature and pressure is generated, is sent to steam turbine high-pressure cylinder 2,2 steam discharge of steam turbine high-pressure cylinder is sent into
It is heated again in boiler 1, forms reheated steam, send to Steam Turbine Through IP Admission 3, it is low that 3 steam discharge of Steam Turbine Through IP Admission is discharged into steam turbine
Cylinder pressure 4,4 steam discharge of turbine low pressure cylinder are sent into condenser 5；Oxygen-eliminating device 11, part steam extraction are sent into 3 part steam extraction of Steam Turbine Through IP Admission
It send to small turbine 16,16 steam discharge of small turbine is sent into condenser 5；The room temperature liquid water that condenser 5 generates passes through condensate pump 6
After pressurization, successively pass through the first low-pressure heater 7, the second low-pressure heater 8, third low-pressure heater 9, the 4th low-pressure heater
After 10, it is sent into oxygen-eliminating device 11；The high temperature saturated water that oxygen-eliminating device 11 exports successively passes through the first high pressure after the pressurization of feed pump 12
After heater 13, the second high-pressure heater 14, third high-pressure heater 15, it is sent into boiler 1, ultimately forms working medium circulation.
Extraction section Steam Turbine Through IP Admission 3 is discharged into the steam of low pressure (LP) cylinder 4, after regulating valve 17, into the horizontal cigarette of boiler 1
Increased heating surface 22, overheats steam again in road, forms bypass double reheat process.Subsequent superheated steam enters bypass
Steam turbine 18, acting and driven generator 19 in pass-out steam turbine 18,18 steam discharge of pass-out steam turbine are sent into bypass condenser 20.
Deep layer Mare Frigoris water is sent into bypass condenser 20,18 steam discharge of pass-out steam turbine of cooling bypass condenser 20 by water pump 21.Deep layer
Mare Frigoris water is discharged into ocean shallow-layer after heating up in bypass condenser 20.
Claims (5)
1. a kind of bypass double reheat power generator cooling using deep sea water, it is characterised in that: including boiler (1), steamer
Machine high pressure cylinder (2), Steam Turbine Through IP Admission (3), turbine low pressure cylinder (4), condenser (5), condensate pump (6), low-pressure heating dress
It sets, oxygen-eliminating device (11), the second feed pump (12), hyperbaric heating device, regulating valve (17), pass-out steam turbine (18), generator
(19), condenser (20) and water pump (21) are bypassed, wherein superheated steam outlet connection steam turbine high-pressure cylinder (2) of boiler (1)
Entrance, the entrance of superheated steam outlet connection boiler (1) of steam turbine high-pressure cylinder (2)；The reheated steam of boiler (1) exports connection
The entrance of Steam Turbine Through IP Admission (3), the entrance of outlet connection turbine low pressure cylinder (4) of Steam Turbine Through IP Admission (3), steam turbine are low
The outlet of cylinder pressure (4) connects condenser (5) entrance, and the room temperature liquid water of condenser (5) adds by condensate pump (6) connection low pressure
The outlet of the entrance of thermal, the entrance of outlet connection oxygen-eliminating device (11) of low-pressure heating device, oxygen-eliminating device (11) connects high pressure
The outlet of the entrance of heating device, hyperbaric heating device connects boiler (1)；
Steam Turbine Through IP Admission (3) and the connecting pipe of turbine low pressure cylinder (4) are provided with branch's steam extraction bypass, steam extraction bypass warp
Overregulate the entrance of valve (17) connection pass-out steam turbine (18), the exhaust vent connection bypass condenser of pass-out steam turbine (18)
(20) entrance, the entrance of condensation water out connection condensate pump (6) of bypass condenser (20)；Deep layer Mare Frigoris water passes through water pump
(21) enter the cooling water inlet of bypass condenser (20)；Heating surface (22), steam turbine are provided in the horizontal flue of boiler (1)
Entrance of the steam extraction bypass of intermediate pressure cylinder (3) by regulating valve (17) connection heating surface (22), the outlet of heating surface (22) connects
Connect the entrance of pass-out steam turbine (18).
2. a kind of bypass double reheat power generator cooling using deep sea water according to claim 1, feature exist
In: low-pressure heating device include the first low-pressure heater (7), the second low-pressure heater (8), third low-pressure heater (9) and the
Four low-pressure heaters (10), wherein the outlet of condensate pump (6) is sequentially connected the first low-pressure heater (7), the second low-pressure heating
The outlet of the entrance of device (8), third low-pressure heater (9) and the 4th low-pressure heater (10), the 4th low-pressure heater (10) connects
Connect the entrance of oxygen-eliminating device (11).
3. a kind of bypass double reheat power generator cooling using deep sea water according to claim 1, feature exist
In: pressurized, heated device includes the first high-pressure heater (13), the second high-pressure heater (14), third high-pressure heater (15),
Wherein, the outlet of oxygen-eliminating device (11) is sequentially connected the first high-pressure heater (13), the second high-pressure heater (14) and third high pressure
The entrance of heater (15), the entrance of outlet connection boiler (1) of third high-pressure heater (15).
4. a kind of bypass double reheat power generator cooling using deep sea water according to claim 1, feature exist
In: Steam Turbine Through IP Admission is additionally provided with branch bypass on (3), which connects the entrance of small turbine (16), small steamer
The entrance of outlet connection condenser (5) of machine (16).
5. a kind of bypass double reheat power generator cooling using deep sea water according to claim 1, feature exist
In: Steam Turbine Through IP Admission is additionally provided with branch bypass on (3), which connects the entrance of oxygen-eliminating device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779537.2U CN209369886U (en) | 2018-10-30 | 2018-10-30 | A kind of bypass double reheat power generator cooling using deep sea water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779537.2U CN209369886U (en) | 2018-10-30 | 2018-10-30 | A kind of bypass double reheat power generator cooling using deep sea water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369886U true CN209369886U (en) | 2019-09-10 |
Family
ID=67835419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821779537.2U Active CN209369886U (en) | 2018-10-30 | 2018-10-30 | A kind of bypass double reheat power generator cooling using deep sea water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296413A (en) * | 2018-10-30 | 2019-02-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the bypass double reheat power generator and method cooling using deep sea water |
-
2018
- 2018-10-30 CN CN201821779537.2U patent/CN209369886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296413A (en) * | 2018-10-30 | 2019-02-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the bypass double reheat power generator and method cooling using deep sea water |
| CN109296413B (en) * | 2018-10-30 | 2024-01-30 | 中国华能集团清洁能源技术研究院有限公司 | Bypass secondary reheating power generation device and method cooled by deep seawater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106194296A (en) | A kind of thermoelectricity decoupling heating system from station boiler steam pumping | |
| CN106152093B (en) | The fuel-fired steam power cycle heat power generating system and its technique of full backheat | |
| CN104474851B (en) | A kind of is CO before burning 2the device and method of trapping system supply steam | |
| CN108167034A (en) | A kind of combustion and steam thermoelectricity cooperative system and method adjusted based on accumulation of heat steam | |
| CN207944993U (en) | A kind of integrated supercritical CO2The coal-fired double reheat Turbo-generator Set of cycle | |
| CN108843418A (en) | A kind of double pressure high efficiency burnt gas supercritical carbon dioxide association circulating power generation systems | |
| CN108005744A (en) | Supercritical CO2The machine furnace cooling of circulation can recycle and power generation and heat supply integral system | |
| CN109057892B (en) | Tower trough combines solar energy light and heat and oxygen boosting coal-fired unit coupling power generation system | |
| CN205825455U (en) | A kind of solar energy assisted coal fired unit hybrid power system run under multi-mode | |
| CN1971190A (en) | Power generation device by using residual heat and exhaust gas from converter | |
| CN106194431B (en) | Gas turbine presurized water reactor steam turbine combined cycle system without separator | |
| CN109296413A (en) | A kind of the bypass double reheat power generator and method cooling using deep sea water | |
| CN208042106U (en) | A kind of coal gas high-temperature high-voltage power generation system | |
| CN106523052A (en) | Combined-cycle power plant steam water back-heating and waste heat comprehensive utilization efficiency-improving system | |
| CN209369886U (en) | A kind of bypass double reheat power generator cooling using deep sea water | |
| CN105756732B (en) | A kind of LNG/ liquid oxygen direct combustion Mixed working fluid cycle TRT | |
| CN110159369B (en) | Energy efficient utilization system of coal-fired generating set | |
| CN102278205A (en) | Combined cycle method capable of being used for distributed air and fuel humidified gas turbine | |
| CN107143391A (en) | A kind of new middle backheating gas turbine combined cycle system | |
| CN201723313U (en) | Gas turbine combined cycling device for distributed air and fuel humidification | |
| CN208380648U (en) | A kind of association circulating power generation system of the double pressure supercritical carbon dioxide waste heat boilers of band | |
| CN204261537U (en) | A kind of is CO before burning 2the device of trapping system supply steam | |
| CN208347846U (en) | A kind of utilization system of Stirling-Rankine combined-cycle technology | |
| CN109488544A (en) | A kind of geothermal energy and gas theory complementary power generation system and method | |
| CN109099498A (en) | It is a kind of to couple the technique and method for generating thermoelectricity decoupling by coal dust firing flue gas shunting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |