CN110793007A - Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method - Google Patents
Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method Download PDFInfo
- Publication number
- CN110793007A CN110793007A CN201911021171.1A CN201911021171A CN110793007A CN 110793007 A CN110793007 A CN 110793007A CN 201911021171 A CN201911021171 A CN 201911021171A CN 110793007 A CN110793007 A CN 110793007A
- Authority
- CN
- China
- Prior art keywords
- steam
- outlet
- heater
- pressure
- inlet
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/08—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/38—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating the engines being of turbine type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/40—Use of two or more feed-water heaters in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/005—Steam superheating characterised by heating method the heat being supplied by steam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a reheating steam combined middle exhaust steam heating water supply and heat supply system, which comprises a straight condensing steam turbine thermal power generator unit and a combined heat supply system; the straight condensing steam turbine thermal power generating unit mainly comprises a boiler, a steam turbine high-pressure cylinder, a steam turbine medium-pressure cylinder, a steam turbine low-pressure cylinder, a high-pressure heater, a deaerator, a low-pressure heater, a condenser, a feed water pre-pump and a steam feed water pump; the combined heating system mainly comprises a primary surface type feedwater heater, a steam generator and a secondary surface type steam heater. The invention provides a method for supplying heat to water by heating exhausted steam in a reheat steam combination. The invention utilizes the superheat degree of the middle exhaust steam, the steam exhaust amount of the unit is smaller, the loss of the cold end is smaller, the unit efficiency is higher, and the energy level gradient utilization is more reasonable; the evaporator is used for replacing direct water spraying heat exchange, so that heat supply parameters are more stable, and fluctuation is small. The system has reasonable structure, reliable system, good load adaptability and high host safety.
Description
Technical Field
The invention belongs to the technical field of energy, and particularly relates to a novel energy-saving steam combined water and heat supply system and method.
Background
In order to improve the economy of the units and respond to the national call for energy conservation and emission reduction, at present, most of domestic thermal power generating units are technically improved and externally subjected to steam extraction and heat supply.
The thermal power generating unit carries out steam extraction and heat supply transformation, and the improvement range of the economical efficiency is related to a plurality of factors such as steam extraction parameters, steam extraction quantity and steam extraction position. On the premise of the same heat supply requirement, the key point of researching a thermodynamic system is to select an extraction scheme which is suitable for a unit and has the maximum economical efficiency.
At present, a plurality of steam extraction sources are selected in a conventional heat supply mode, and a direct water spraying throttling mode is adopted to reduce temperature and pressure according to parameter requirements so as to supply heat to the outside. The heating mode has the following defects: the unit has large steam discharge, large cold end loss, low unit efficiency and unreasonable energy level gradient utilization; the heat supply parameters of water spraying heat exchange are unstable and have large fluctuation.
Disclosure of Invention
The invention aims to provide a steam extraction and heat supply system which is reasonable in structure, reliable in system, good in load adaptability, small in heat supply parameter fluctuation and high in host safety.
In order to solve the technical problem, the technical scheme of the invention is to provide a reheating steam combined middle-discharge steam heating water supply and heat supply system, which is characterized in that: the system comprises a straight condensing steam turbine thermal power generator unit and a combined type heat supply system;
the pure condensation steam turbine thermal power generator unit comprises a boiler, a boiler steam outlet is connected with a steam turbine high-pressure cylinder inlet, a steam turbine high-pressure cylinder outlet is connected with a boiler reheat steam inlet, a boiler reheat steam outlet is connected with a steam turbine intermediate pressure cylinder inlet, a steam turbine intermediate pressure cylinder outlet is connected with a steam turbine low-pressure cylinder inlet, a steam turbine low-pressure cylinder outlet is connected with a steam condenser inlet, a steam condenser outlet is connected with one side inlet of a low-pressure heater, the side outlet of the low-pressure heater is connected with a deaerator inlet, the deaerator outlet is connected with one side inlet of the high-pressure heater;
the combined heat supply system comprises a primary surface type feed water heater, wherein a low-temperature side inlet of the primary surface type feed water heater is connected with an outlet of the deaerator, a low-temperature side outlet of the primary surface type feed water heater is connected with an inlet of the steam generator, a high-temperature side inlet of the primary surface type feed water heater is connected with an outlet of the steam turbine medium pressure cylinder, and a high-temperature side outlet of the primary surface type feed water heater is connected with an inlet of the deaerator; the outlet of the steam generator is connected with the low-temperature side inlet of the secondary surface type saturated steam heater, the high-temperature side inlet of the secondary surface type saturated steam heater is connected with the outlet of the high-pressure cylinder of the steam turbine and/or the inlet of the medium-pressure cylinder of the steam turbine, the high-temperature side outlet of the secondary surface type saturated steam heater is connected with the inlet of the steam generator, and the low-temperature side outlet of the secondary surface type saturated steam heater is connected with an external heat supply pipeline.
Preferably, the outlet of the deaerator is connected with the inlet of a water supply preposed pump, the outlet of the water supply preposed pump is connected with the inlet of a steam-driven water supply pump, and the outlet of the steam-driven water supply pump is connected with the inlet of one side of the high-pressure heater.
More preferably, the low-temperature side inlet of the one-stage surface type feedwater heater is connected with the outlet of the feedwater preposition pump.
Preferably, the primary surface type feedwater heater is used for heating part of feedwater at the outlet of the deaerator by using middle exhaust steam at the outlet of the steam turbine intermediate pressure cylinder; and the medium-discharge steam is introduced to the deaerator after being cooled.
More preferably, the steam generator performs a secondary mixed heating of the feedwater at the outlet of the primary surface-type feedwater heater by using the reheated steam after heat exchange by the secondary surface-type steam heater, and evaporates the reheated steam into saturated steam.
Further, the secondary surface type steam heater heats saturated steam at the outlet of the steam generator for three times by using reheated steam at the outlet of the high-pressure cylinder of the steam turbine and/or the inlet of the intermediate pressure cylinder; the superheated steam heated by the secondary surface type steam heater supplies heat to the outside.
The invention also provides a method for heating water and supplying heat by exhaust steam in the reheat steam combination, which is characterized in that: the reheating steam combined middle-exhaust steam heating water supply and heat supply system comprises the following steps:
step 1: the low-pressure water supply is subjected to primary surface heating by middle-exhaust steam;
the low-pressure feed water is led out from the outlet of the deaerator, the low-pressure feed water is firstly subjected to primary surface heating by a primary surface feed water heater, and the heating heat source is middle exhaust steam at the outlet of a steam turbine intermediate pressure cylinder;
step 2: the low-pressure feed water is secondarily mixed and heated by the reheat steam;
the low-pressure feed water heated in the step 1 enters a steam generator, and the heating heat source of the steam generator is reheated steam subjected to heat exchange by a two-stage surface saturated steam heater; in a steam generator, the low-pressure feed water heated in the step 1 is mixed and heated by the reheated steam and is evaporated into saturated steam;
and step 3: saturated steam is heated by reheat steam in a three-time surface mode;
the saturated steam generated in the step 2 enters a secondary surface type saturated steam heater and is heated until superheated steam supplies heat to the outside; the heating heat source of the two-stage surface saturated steam heater is reheated steam at the outlet of a high-pressure cylinder of the steam turbine and/or at the inlet of a medium-pressure cylinder of the steam turbine.
Compared with the traditional direct steam extraction temperature and pressure reduction heat supply system, the reheating steam combined middle-exhaust steam heating water supply heat supply system provided by the invention has the following beneficial effects:
1. the superheat degree of the middle exhaust steam is utilized, the steam exhaust amount of the unit is smaller, the loss of a cold end is smaller, the unit efficiency is higher, and the energy level gradient utilization is more reasonable;
2. the evaporator is used for replacing direct water spraying heat exchange, so that heat supply parameters are more stable, and fluctuation is small.
3. The structure is reasonable, the system is reliable, the load adaptability is good, and the safety of the host is high.
Drawings
FIG. 1 is a schematic view of a reheat steam combined middle exhaust steam heating feedwater heating system provided in this embodiment;
description of reference numerals:
the system comprises a boiler 1, a turbine 2, a turbine high-pressure cylinder 3, a turbine medium-pressure cylinder 4, a turbine low-pressure cylinder 5, a high-pressure heater 6, a deaerator 7, a low-pressure heater 8, a condenser 9, a feed water pre-pump 10, a steam-driven feed water pump 11, a primary surface type feed water heater 12, a steam generator 13 and a secondary surface type saturated steam heater.
Detailed Description
The invention will be further illustrated with reference to the following specific examples.
Fig. 1 is a schematic view of a reheat steam combined medium-exhaust steam heating feedwater heating system provided in this embodiment, the reheat steam combined medium-exhaust steam heating feedwater heating system includes a boiler 1, a steam turbine high-pressure cylinder 2, a steam turbine medium-pressure cylinder 3, a steam turbine low-pressure cylinder 4, a high-pressure heater 5, a deaerator 6, a low-pressure heater 7, a condenser 8, a feedwater pre-pump 9, a steam-driven feedwater pump 10, a primary surface type feedwater heater 11, a steam generator 12, a secondary surface type saturated steam heater 13, and the like.
Wherein, the boiler 1, the turbine high pressure cylinder 2, the turbine intermediate pressure cylinder 3, the turbine low pressure cylinder 4, the high pressure heater 5, the deaerator 6, the low pressure heater 7, the condenser 8, the feed water pre-pump 9 and the steam-driven feed water pump 10 jointly form a conventional pure condensing turbine thermal power generator unit.
The primary surface type water supply heater 11, the steam generator 12 and the secondary surface type saturated steam heater 13 jointly form a combined type heating system. The combined heat supply system utilizes the middle exhaust steam and the reheated steam of the pure condensation steam turbine thermal power generator unit to heat the low-pressure feed water to the superheated steam, and supplies heat to the outside.
The concrete structure is as follows:
pure steam turbine thermal power generating unit includes boiler 1, 2 imports of 1 steam exit linkage steam turbine high pressure jar of boiler, 1 reheat steam import of 2 exit linkage boiler of steam turbine high pressure jar, 3 imports of 1 reheat steam exit linkage steam turbine intermediate pressure jar of boiler, 3 exit linkage steam turbine low pressure jar 4 imports of steam turbine intermediate pressure jar, 4 exit linkage condensers 8 imports of steam turbine low pressure jar, 7 one side imports of 8 exit linkage low pressure feed water heater of condenser, 7 this side exit linkage deaerators 6 imports of low pressure feed water heater, 6 exit linkage feedwater front mounted pump 9 imports of deaerators, 9 exit linkage steam feed water pump 10 imports of feedwater front mounted pump, 5 one side imports of 5 exit linkage high pressure feed water heater of 10 exit linkage high pressure feed water pump, 5 this side exit linkage boiler 1 steam import of high pressure feed.
The combined type heating system comprises a primary surface type water supply heater 11, wherein a low-temperature side inlet of the primary surface type water supply heater 11 is connected with an outlet of a water supply pre-pump 9, a low-temperature side outlet of the primary surface type water supply heater 11 is connected with an inlet of a steam generator 12, a high-temperature side inlet of the primary surface type water supply heater 11 is connected with an outlet of a steam turbine intermediate pressure cylinder 3, and a high-temperature side outlet of the primary surface type water supply heater 11 is connected with an inlet of a deaerator 6. The outlet of the steam generator 12 is connected with the inlet of the low-temperature side of the secondary surface type saturated steam heater 13, the inlet of the high-temperature side of the secondary surface type saturated steam heater 13 is connected with the outlet of the high-pressure cylinder 2 of the steam turbine and/or the inlet of the medium-pressure cylinder 3 of the steam turbine, the outlet of the high-temperature side of the secondary surface type saturated steam heater 13 is connected with the inlet of the steam generator 12, and the outlet of the low-temperature side of the secondary surface type saturated steam heater.
In this embodiment, the heated working medium of the primary surface type water supply heater 11 is taken from the low-pressure water supply at the outlet of the deaerator 6, and is introduced to the steam generator 12 after being heated, and the heated working medium is taken from the medium exhaust steam at the outlet of the steam turbine intermediate pressure cylinder 3, and is introduced to the deaerator 6 after heat exchange.
The heated working medium of the two-stage surface saturated steam heater 13 comes from saturated steam at the outlet of the steam generator 12, the saturated steam is heated to overheat to supply heat to the outside, the heating working medium is taken from reheated steam at the outlet of the high-pressure cylinder 2 of the steam turbine or at the inlet of the medium-pressure cylinder 3 of the steam turbine, and the reheated steam is introduced to the steam generator 12 after heat exchange.
The working medium to be heated of the steam generator 12 is low-pressure feed water from the outlet of the primary surface type feed water heater 11, the heating working medium is reheated steam from the outlet of the secondary surface type saturated steam heater 13, and the low-pressure feed water is mixed with the reheated steam in the steam generator 12 and heated into saturated steam and then led to the secondary surface type saturated steam heater 13.
The operation process of the reheat steam combined middle-exhaust steam heating feedwater heating system provided by the embodiment is as follows:
the heated medium in the working process is low-pressure feed water, and the heating medium is medium-discharge steam and reheat steam. The working process is mainly divided into three flows.
In the first process, low-pressure feed water is subjected to primary surface heating by medium-discharge steam. The low-pressure feed water of the system is led out from a main pipe at the outlet of a feed water pre-pump 9, and the low-pressure feed water is firstly subjected to primary surface heating by a primary surface type feed water heater 11. The heating heat source is middle exhaust steam at the outlet of the steam turbine middle pressure cylinder 3.
In the second flow, the low-pressure feed water is secondarily mixed and heated by the reheat steam. The low-pressure feed water heated in the first process enters the steam generator 12, and the heat source in the process is reheated steam subjected to heat exchange in the third process. In the steam generator 12, low-pressure feed water is mixed and heated by reheat steam, and evaporated into saturated steam.
In the third process, the saturated steam is heated by the reheat steam three times in a surface mode. Saturated steam generated in the second flow enters the secondary surface type saturated steam heater 13 and is heated until superheated steam supplies heat to the outside. The heating heat source is reheat steam at the outlet of the high-pressure turbine cylinder 2 or the inlet of the intermediate-pressure turbine cylinder 3.
The reheating steam combined middle-discharge steam heating water supply and heat supply system provided by the invention firstly utilizes the superheat degree of middle-discharge steam to heat water and then enters the steam generator, the evaporation heat source of the steam generator adopts reheating steam, the superheat degree of the reheating steam is firstly used for overheating and heat absorption of saturated steam at the outlet of the steam generator and then enters the evaporator, and latent heat required by conversion of saturated water to saturated steam is provided. Compared with a direct temperature and pressure reduction heat supply system for extracting steam, the system utilizes the superheat degree of the middle exhaust steam, the steam exhaust amount of the unit is smaller, the cold end loss is smaller, the unit efficiency is higher, and the energy level gradient utilization is more reasonable.
Compared with a direct temperature and pressure reducing heat supply system for steam extraction, the system utilizes the evaporator to replace direct water spraying heat exchange, and has more stable heat supply parameters and small fluctuation. Taking a 600MW steam turbine generator unit for supplying heat to the outside at 400t/h as an example, after the system is applied, the coal consumption of the unit for generating electricity is reduced by 4.5g/kWh, the annual electricity generation amount is 330000 thousands of kWh, the annual coal saving amount is 14850t, the unit price of standard coal is 800 yuan/t, and the annual hair income is increased by 1188 ten thousand yuan.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that the foregoing and other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a row's steam heating feedwater heating system in reheat steam is united which characterized in that: the system comprises a straight condensing steam turbine thermal power generator unit and a combined type heat supply system;
the pure condensing steam turbine thermal power generating unit comprises a boiler (1), wherein a steam outlet of the boiler (1) is connected with an inlet of a high-pressure steam cylinder (2), an outlet of the high-pressure steam cylinder (2) is connected with a reheat steam inlet of the boiler (1), a reheat steam outlet of the boiler (1) is connected with an inlet of a medium-pressure steam cylinder (3), an outlet of the medium-pressure steam cylinder (3) is connected with an inlet of a low-pressure steam cylinder (4), an outlet of the low-pressure steam cylinder (4) is connected with an inlet of a condenser (8), an outlet of the condenser (8) is connected with an inlet of one side of a low-pressure heater (7), an outlet of the low-pressure heater (7) on the side is connected with an inlet of a deaerator (6), an outlet of the deaerator (6) is connected;
the combined heating system comprises a primary surface type water-feeding heater (11), wherein a low-temperature side inlet of the primary surface type water-feeding heater (11) is connected with an outlet of the deaerator (6), a low-temperature side outlet of the primary surface type water-feeding heater (11) is connected with an inlet of the steam generator (12), a high-temperature side inlet of the primary surface type water-feeding heater (11) is connected with an outlet of the steam turbine intermediate pressure cylinder (3), and a high-temperature side outlet of the primary surface type water-feeding heater (11) is connected with an inlet of the deaerator (6); the outlet of the steam generator (12) is connected with the low-temperature side inlet of the secondary surface type saturated steam heater (13), the high-temperature side inlet of the secondary surface type saturated steam heater (13) is connected with the outlet of the high-pressure cylinder (2) of the steam turbine and/or the inlet of the medium-pressure cylinder (3) of the steam turbine, the high-temperature side outlet of the secondary surface type saturated steam heater (13) is connected with the inlet of the steam generator (12), and the low-temperature side outlet of the secondary surface type saturated steam heater (13) is connected with an external heat supply pipeline.
2. A reheat steam combined mid-discharge steam heating feedwater heating system as claimed in claim 1, wherein: the deaerator (6) is connected with the inlet of a water supply preposed pump (9) in an outlet mode, the water supply preposed pump (9) is connected with the inlet of a steam water supply pump (10) in an outlet mode, and the steam water supply pump (10) is connected with the inlet of one side of the high-pressure heater (5).
3. A reheat steam combined mid-discharge steam heated feedwater heating system as claimed in claim 2 wherein: and the low-temperature side inlet of the primary surface type feedwater heater (11) is connected with the outlet of the feedwater pre-pump (9).
4. A reheat steam combined middle exhaust steam heating water supply and heat supply system as claimed in any one of claims 1 to 3, wherein: the primary surface type feed water heater (11) heats part of feed water at the outlet of the deaerator (6) by using the middle exhaust steam at the outlet of the steam turbine intermediate pressure cylinder (3); and the medium-discharge steam is introduced to the deaerator (6) after being cooled.
5. A reheat steam combined mid-discharge steam heated feedwater heating system as claimed in claim 4 wherein: the steam generator (12) performs mixed secondary heating on the feedwater at the outlet of the primary surface type feedwater heater (11) by using the reheated steam after heat exchange by the secondary surface type steam heater (13), and evaporates the reheated steam into saturated steam.
6. A reheat steam combined mid-discharge steam heated water heating system as claimed in claim 5, wherein: the two-stage surface type steam heater (13) heats saturated steam at the outlet of the steam generator (12) for three times by using reheated steam at the outlet of the high-pressure steam cylinder (2) of the steam turbine and/or at the inlet of the intermediate-pressure steam cylinder (3); the superheated steam heated by the secondary surface type steam heater (13) supplies heat to the outside.
7. A reheating steam combined middle-exhaust steam heating feedwater heating method is characterized in that: the reheating steam combined middle discharge steam heating water supply and heat supply system adopting any one of claims 1-6, comprising the following steps:
step 1: the low-pressure water supply is subjected to primary surface heating by middle-exhaust steam;
the low-pressure feed water is led out from the outlet of the deaerator (6), the low-pressure feed water is firstly subjected to primary surface heating by a primary surface feed water heater (11), and a heating heat source is middle exhaust steam at the outlet of a steam turbine intermediate pressure cylinder (3);
step 2: the low-pressure feed water is secondarily mixed and heated by the reheat steam;
the low-pressure feed water heated in the step 1 enters a steam generator (12), and a heating heat source of the steam generator (12) is reheated steam subjected to heat exchange by a two-stage surface saturated steam heater (13); in a steam generator (12), the low-pressure feed water heated in the step (1) is mixed and heated by the reheated steam and is evaporated into saturated steam;
and step 3: saturated steam is heated by reheat steam in a three-time surface mode;
the saturated steam generated in the step 2 enters a secondary surface type saturated steam heater (13) and is heated until superheated steam supplies heat to the outside; the heating heat source of the two-stage surface saturated steam heater (13) is reheated steam at the outlet of the high-pressure cylinder (2) of the steam turbine and/or at the inlet of the medium-pressure cylinder (3) of the steam turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021171.1A CN110793007A (en) | 2019-10-25 | 2019-10-25 | Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021171.1A CN110793007A (en) | 2019-10-25 | 2019-10-25 | Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793007A true CN110793007A (en) | 2020-02-14 |
Family
ID=69441358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911021171.1A Pending CN110793007A (en) | 2019-10-25 | 2019-10-25 | Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425274A (en) * | 2020-04-16 | 2020-07-17 | 京能(赤峰)能源发展有限公司 | Combined heat and power generation system capable of meeting resident and industrial heat supply requirements during deep peak shaving |
-
2019
- 2019-10-25 CN CN201911021171.1A patent/CN110793007A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425274A (en) * | 2020-04-16 | 2020-07-17 | 京能(赤峰)能源发展有限公司 | Combined heat and power generation system capable of meeting resident and industrial heat supply requirements during deep peak shaving |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314628B (en) | A kind of coal unit and gas turbine combined power generation system | |
| CN204301176U (en) | Reduce the energy-saving heating system of heat supply return water temperature and recovery city used heat | |
| CN101696643B (en) | Low-temperature heat energy recovering apparatus of heat and electricity co-generation and recovering method thereof | |
| CN201560812U (en) | Cogeneration low temperature thermal energy recovery device | |
| CN106979041A (en) | A kind of turbine low pressure cylinder high vacuum takes off the remodeling method that cylinder runs thermoelectricity decoupled system | |
| CN112856363B (en) | System and method for improving heat supply steam parameters of deep peak shaving heat supply unit | |
| CN106761982A (en) | A kind of new part backheating gas turbine combined cycle system | |
| CN102997309A (en) | Classification heating system with high-temperature heat source heater bypass pipe | |
| CN204225940U (en) | A kind of coal unit and gas turbine combined power generation system | |
| CN101638998A (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN106437875A (en) | Thermal power generating unit working medium shunting circulation peak shaving system | |
| CN101806448B (en) | Application of second type absorption type heat pump in heat exchange cycle system of power plant | |
| CN211316126U (en) | Reheating steam combined middle-discharge steam heating water supply and heat supply system | |
| CN109099414A (en) | The double reheat system of integral external steam condenser and regenerative steam turbine | |
| CN205714295U (en) | Based on supercritical carbon dioxide and the thermal electric generator of Steam Combined Cycle | |
| CN110793007A (en) | Reheating steam combined middle-exhaust steam heating water supply and heat supply system and method | |
| CN101788141B (en) | Application of absorption type heat regenerator in regenerative circulation system of power plant | |
| CN116291782A (en) | Steam turbine-molten salt heat storage parallel deep peak regulation system and peak regulation method | |
| CN102997310A (en) | Low-temperature heat source warming and heating system of air cooling unit | |
| CN215174935U (en) | High-low temperature heat storage peak shaving system of thermal power plant | |
| CN111706898B (en) | Method for improving heat supply capacity of unit after high-back-pressure heat supply transformation | |
| CN104373310B (en) | Solar energy and fuel complementary power generation system | |
| CN209130851U (en) | The double reheat system of integral external steam condenser and regenerative steam turbine | |
| CN207179770U (en) | A kind of Combined Cycle Unit Gateway Station in Heating Network system based on SSS clutches | |
| CN203036738U (en) | Low-temperature heat-source heating system with air cooling unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |