CN214660396U - Coupling peak shaving system based on middle row and cooling of middle row among units - Google Patents
Coupling peak shaving system based on middle row and cooling of middle row among units Download PDFInfo
- Publication number
- CN214660396U CN214660396U CN202120568627.2U CN202120568627U CN214660396U CN 214660396 U CN214660396 U CN 214660396U CN 202120568627 U CN202120568627 U CN 202120568627U CN 214660396 U CN214660396 U CN 214660396U
- Authority
- CN
- China
- Prior art keywords
- pressure cylinder
- low
- conventional unit
- steam
- generator set
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Control Of Turbines (AREA)
Abstract
本实用新型公开了机组间基于中排及其冷却的耦合调峰系统，该系统包括第一常规单元制发电机组(13)和第二常规单元制发电机组(14)；第一常规单元制发电机组(13)包括第一中压缸(7)、第一低压缸(8)、第一凝结水泵(11)和第一中压缸排汽控制、隔离阀组(1)，第二常规单元制发电机组(14)包括第二中压缸(9)、第二低压缸(10)、第二凝结水泵(12)和第二中压缸排汽控制、隔离阀组(2)；该系统的运行方法实现了第一常规单元制发电机组(13)和第二常规单元制发电机组(14)的自由切换。本实用新型无需对锅炉侧进行技术改造，即可提升机组的深度调峰能力，增加机组运行的灵活性。
The utility model discloses a coupled peak regulation system based on a middle row and its cooling between units. The system comprises a first conventional unit-made generator set (13) and a second conventional unit-made generator set (14); the first conventional unit-made power generation unit The unit (13) includes a first medium-pressure cylinder (7), a first low-pressure cylinder (8), a first condensate pump (11), a first medium-pressure cylinder exhaust control, isolation valve group (1), and a second conventional unit The generator set (14) comprises a second medium-pressure cylinder (9), a second low-pressure cylinder (10), a second condensate pump (12) and a second medium-pressure cylinder exhaust control and isolation valve group (2); the system The operation method of the invention realizes the free switching of the first conventional unit-made generating set (13) and the second conventional unit-made generating set (14). The utility model can improve the deep peak shaving capability of the unit and increase the flexibility of the unit operation without the need for technical transformation on the boiler side.
Description
Technical Field
The utility model belongs to the technical field of thermal power generation, concretely relates to unit room is based on well row and refrigerated coupling peak shaving system.
Background
At present, a unit system operation method is widely adopted in domestic large-capacity thermal power plants, namely, a boiler supplies steam for a steam turbine, and the steam turbine drives a generator to generate electricity, so that an independent power generation unit of the boiler, the steam turbine and the generator is formed. And the power generation units are basically not in transverse connection. The minimum electric load of the existing thermal power generating unit is generally limited to about 30-40% due to the limitation of the minimum stable combustion output of the auxiliary fuel which is not put into the coal-fired boiler, and the safe and continuous operation of the boiler is adversely affected if the minimum electric load is continuously reduced. Chinese patent publication CN109653810A discloses a thermodynamic system with two machines switching operation in one furnace, which is characterized in that a superheated steam and reheated steam bypass and a control valve are added, when one boiler fails, the other boiler is used to drive two steam turbines to generate electricity, at this time, the set has a certain peak shaving capability, but the system is complex in arrangement, low in operation flexibility, and poor in operability in actual operation of a power plant.
In recent years, with the continuous promotion of upgrading and transforming work of thermal power generating units, a thermodynamic system and an operation method capable of realizing coupling connection among high-capacity thermal power generating units are urgently needed to enhance the flexibility of the units adapting to electric load dispatching instructions and improve the deep peak regulation capability of the units.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a between unit is based on well row and refrigerated coupling peak shaving system thereof, and it need not to carry out technical transformation to the boiler side, can promote the degree of depth peak shaving ability of unit, increases the flexibility of unit operation.
The utility model discloses a realize through following technical scheme:
the inter-unit coupling peak shaving system based on the middle row and cooling of the inter-unit coupling peak shaving system comprises a first conventional unit-made generating set and a second conventional unit-made generating set;
the first conventional unit system generator set comprises a first intermediate pressure cylinder, a first low pressure cylinder, a first condensate pump, a first intermediate pressure cylinder steam exhaust control and isolation valve group, and the second conventional unit system generator set comprises a second intermediate pressure cylinder, a second low pressure cylinder, a second condensate pump, a second intermediate pressure cylinder steam exhaust control and isolation valve group;
the steam exhaust outlet of the first intermediate pressure cylinder of the two turbines is connected with the steam exhaust outlet of the second intermediate pressure cylinder through an intermediate pressure cylinder steam exhaust connecting pipe, and a control and isolation valve group of the intermediate pressure cylinder steam exhaust connecting pipe is installed on the intermediate pressure cylinder steam exhaust connecting pipe;
a first intermediate pressure cylinder steam exhaust control and isolation valve group is connected between the steam exhaust port of the first intermediate pressure cylinder and the steam inlet of the first low pressure cylinder, and a second intermediate pressure cylinder steam exhaust control and isolation valve group is connected between the steam exhaust port of the second intermediate pressure cylinder and the steam inlet of the second low pressure cylinder;
a first low-pressure cylinder minimum cooling steam pipeline is connected between the inlet and the outlet of the first intermediate-pressure cylinder steam exhaust control and isolation valve group, a second low-pressure cylinder minimum cooling steam pipeline is connected between the inlet and the outlet of the second intermediate-pressure cylinder steam exhaust control and isolation valve group, a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group is installed on the first low-pressure cylinder minimum cooling steam pipeline, and a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group is installed on the second low-pressure cylinder minimum cooling steam pipeline;
and a low-pressure water supply connecting pipe is connected between the outlet of the first condensate pump and the outlet of the second condensate pump of the two turbines, and a low-pressure water supply connecting pipe control and isolation valve group is installed on the low-pressure water supply connecting pipe.
The utility model discloses further improvement lies in, first conventional unit system generating set and second conventional unit system generating set's generating capacity is the same, the capacity is equivalent, and equipment type and thermodynamic system design are unanimous.
The utility model discloses further improvement lies in, and the running state of first conventional unit system generating set and second conventional unit system generating set is that two boilers, two steam turbines all are in running state.
The utility model discloses further improvement lies in, and the first intermediate pressure jar exhaust steam of first conventional unit system generating set can get into the second low pressure jar acting of the conventional unit system generating set of second through intermediate pressure jar exhaust steam interconnecting pipe.
The second intermediate pressure cylinder exhaust steam of the second conventional unit-made generator set can enter the first low pressure cylinder of the first conventional unit-made generator set to do work through the intermediate pressure cylinder exhaust steam communication pipe.
The utility model discloses further improvement lies in, the first condensate pump export condensate water of first conventional unit system generating set can be by the low pressure water supply tie pipe entering second conventional unit system generating set's low pressure water supply system in order to maintain the oxygen-eliminating device water level stability of second conventional unit system generating set.
The condensed water at the outlet of the second condensed water pump of the second conventional unit generator set can enter the low-pressure water supply system of the first conventional unit generator set through the low-pressure water supply communication pipe so as to maintain the water level of the deaerator of the first conventional unit generator set stable.
The utility model discloses further improvement lies in, when second intermediate pressure jar steam extraction control, the isolation valves of second conventional unit system generating set were closed, the low pressure jar of first conventional unit system generating set steam extraction can get into second low pressure jar cooling low pressure jar via first low pressure jar steam extraction pipe, low pressure jar steam extraction tie pipe and second low pressure jar minimum cooling steam pipeline, guarantees the safe operation of low pressure jar.
The utility model discloses further improvement lies in, when first intermediate pressure jar steam extraction control, the isolation valves of first conventional unit system generating set were closed, the low pressure jar of second conventional unit system generating set steam extraction can get into first low pressure jar cooling low pressure jar via second low pressure jar steam extraction pipe, low pressure jar steam extraction tie pipe and the minimum cooling steam pipeline of first low pressure jar, guarantees the safe operation of low pressure jar.
Compared with the prior art, the utility model discloses following profitable technological effect has at least:
the utility model realizes the switching of the depth peak regulation operation mode of any unit by additionally arranging the intermediate pressure cylinder steam exhaust connecting pipe, the low pressure water supply connecting pipe and the low pressure cylinder minimum cooling steam pipeline; when one unit operates in deep peak regulation, the steam inlet flow of the low-pressure cylinder can be reduced to the minimum, the low-pressure cylinder maintains the minimum work capacity at the moment, and the deep peak regulation capacity of the unit is increased. Utilize the utility model discloses, under the degree of depth peak regulation operating mode, can carry the most low pressure jar steam admission volume of a unit to another unit low pressure jar, realized that a unit is littleer technique and exerted oneself. The flexibility of the unit adapting to the dispatching electric load instruction is enhanced, the deep peak regulation electricity price income of the power plant is increased, and the production and operation benefits of the power plant are improved.
Drawings
Fig. 1 is a schematic diagram of a thermodynamic system of a coupled peak shaving system between units based on a middle row and cooling thereof according to an embodiment of the present invention.
Description of reference numerals:
1. a first intermediate pressure cylinder steam exhaust control and isolation valve group, 2, a second intermediate pressure cylinder steam exhaust control and isolation valve group; 3. a control and isolation valve group of the intermediate pressure cylinder exhaust connecting pipe; 4. the intermediate pressure cylinder exhausts the union pipe; 5. a low pressure feed water interconnecting pipe; 6. a low-pressure water supply connecting pipe control and isolation valve group; 7. a first intermediate pressure cylinder; 8. a first low pressure cylinder; 9. a second intermediate pressure cylinder; 10. a second low pressure cylinder; 11. a first condensate pump 12, a second condensate pump; 13. a first conventional unit-made generator set, 14, a second conventional unit-made generator set; 15. a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 17 and a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group; 16. a first low pressure cylinder minimum cooling steam line, 18, a second low pressure cylinder minimum cooling steam line.
Detailed Description
The present invention will now be described in further detail with reference to specific embodiments thereof, which are illustrated and not limited by the accompanying drawings.
As shown in fig. 1, the utility model provides a coupling peak shaving system based on middle row and its cooling between unit, including two capacity, equipment type and the basically unanimous first conventional unit system generating set 13 of thermodynamic system and second conventional unit system generating set 14.
The first conventional unit system generator set 13 comprises a first intermediate pressure cylinder 7, a first low pressure cylinder 8, a first condensate pump 11 and a first intermediate pressure cylinder steam exhaust control and isolation valve group 1, and the second conventional unit system generator set 14 comprises a second intermediate pressure cylinder 9, a second low pressure cylinder 10, a second condensate pump 12 and a second intermediate pressure cylinder steam exhaust control and isolation valve group 2; the steam exhaust outlet of a first intermediate pressure cylinder 7 and the steam exhaust outlet of a second intermediate pressure cylinder 9 of the two turbines are connected through an intermediate pressure cylinder steam exhaust connecting pipe 4, and an intermediate pressure cylinder steam exhaust connecting pipe control and isolation valve group 3 is installed on the intermediate pressure cylinder steam exhaust connecting pipe 4; a first intermediate pressure cylinder steam exhaust control and isolation valve group 1 is connected between a steam exhaust port of the first intermediate pressure cylinder 7 and a steam inlet of the first low pressure cylinder 8, and a second intermediate pressure cylinder steam exhaust control and isolation valve group 2 is connected between a steam exhaust port of the second intermediate pressure cylinder 9 and a steam inlet of the second low pressure cylinder 10; a first low-pressure cylinder minimum cooling steam pipeline 16 is further connected between the inlet and the outlet of the first intermediate-pressure cylinder steam exhaust control and isolation valve group 1, a second low-pressure cylinder minimum cooling steam pipeline 18 is further connected between the inlet and the outlet of the second intermediate-pressure cylinder steam exhaust control and isolation valve group 2, a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 15 is installed on the first low-pressure cylinder minimum cooling steam pipeline 16, and a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 17 is installed on the second low-pressure cylinder minimum cooling steam pipeline 18; a low-pressure water supply connecting pipe 5 is connected between an outlet of a first condensate pump 11 and an outlet of a second condensate pump 12 of the two turbines, and a low-pressure water supply connecting pipe control and isolation valve group 6 is installed on the low-pressure water supply connecting pipe 5.
Preferably, the intermediate pressure cylinder steam exhaust connecting pipe control and isolation valve group 3 is arranged on the intermediate pressure cylinder steam exhaust connecting pipe 4, so that the switching of the deep peak regulation operation mode of a single unit is realized;
preferably, a first intermediate pressure cylinder steam exhaust control and isolation valve group 1 is installed on a medium pressure cylinder steam exhaust pipe of the first conventional unit-made generator set 13, and the valve group can control the steam inlet amount of the first low pressure cylinder 8 and adjust the output force of the first low pressure cylinder 8 of the first conventional unit-made generator set 13;
preferably, a second intermediate pressure cylinder steam exhaust control and isolation valve group 2 is installed on a steam exhaust pipe of an intermediate pressure cylinder of the second conventional unit-made generator set 14, and the valve group can control the steam inlet amount of the second low pressure cylinder 10 and adjust the output force of the second low pressure cylinder 10 of the second conventional unit-made generator set 14;
preferably, a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 15 is installed on a first low-pressure cylinder minimum cooling steam pipeline 16 of the first conventional unit-system generator set 13, and the valve group can maintain the minimum steam inlet quantity of the first low-pressure cylinder 8 of the first conventional unit-system generator set 13 and ensure the safe operation of the first low-pressure cylinder 8;
preferably, a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 17 is installed on a second low-pressure cylinder minimum cooling steam pipeline 18 of the second conventional unit-system generator set 14, and the valve group can maintain the minimum steam inlet quantity of the second low-pressure cylinder 10 of the second conventional unit-system generator set 14 and ensure the safe operation of the second low-pressure cylinder 10;
preferably, a low-pressure water supply connecting pipe control and isolation valve group 6 is arranged on the low-pressure water supply connecting pipe 5 and used for adjusting the low-pressure water supply flow of the two units in the deep peak shaving process and maintaining the stable water level of the deaerator.
The utility model provides an operation method of inter-unit coupling peak shaving system based on well row and cooling thereof, including following step:
step 2, opening a medium pressure cylinder steam exhaust connecting pipe control and isolation valve group 3 of a medium pressure cylinder steam exhaust connecting pipe 4; a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 15 of the first conventional unit generator set 13 is opened; the first intermediate pressure cylinder steam exhaust control and isolation valve group 1 of the first conventional unit system generator set 13 is slowly closed; the low-pressure water supply connecting pipe control and isolation valve group 6 of the low-pressure water supply connecting pipe 5 is slowly opened; maintaining the water level of the deaerator of the first conventional unit generator set 13 to be stable; the deep peak regulation operation of the first conventional unit generator set 13 is realized;
step 3, the intermediate pressure cylinder steam exhaust connecting pipe control and isolation valve group of the intermediate pressure cylinder steam exhaust connecting pipe 4 is kept open; a first intermediate pressure cylinder steam exhaust control and isolation valve group 1 of a first conventional unit-system generator set 13 is slowly opened; a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group 17 of the second conventional unit generator set 14 is opened; the second intermediate pressure cylinder steam exhaust control and isolation valve group 2 is slowly closed; the low-pressure water supply control and isolation valve group 6 is kept open; maintaining the water level of the deaerator of the second conventional unit generator set 14 to be stable; and realizing the deep peak shaving operation of the second conventional unit generator set 14.
The above only is the concrete implementation of the preferred embodiment of the present invention, not therefore the limitation of the patent scope of the present invention, all the applications of the equivalent structure or equivalent flow transformation made by the contents of the specification and the drawings or the application to multiple units, or the direct or indirect application in other related technical fields, all the same principles are included in the patent protection scope of the present invention.
Claims (9)
1. The inter-unit coupling peak shaving system based on the middle row and cooling of the inter-unit coupling peak shaving system is characterized by comprising a first conventional unit generating set (13) and a second conventional unit generating set (14);
the first conventional unit system generator set (13) comprises a first intermediate pressure cylinder (7), a first low pressure cylinder (8), a first condensate pump (11) and a first intermediate pressure cylinder steam exhaust control and isolation valve group (1), and the second conventional unit system generator set (14) comprises a second intermediate pressure cylinder (9), a second low pressure cylinder (10), a second condensate pump (12) and a second intermediate pressure cylinder steam exhaust control and isolation valve group (2);
the steam exhaust outlet of a first intermediate pressure cylinder (7) and the steam exhaust outlet of a second intermediate pressure cylinder (9) of the two turbines are connected through an intermediate pressure cylinder steam exhaust connecting pipe (4), and an intermediate pressure cylinder steam exhaust connecting pipe control and isolation valve group (3) is installed on the intermediate pressure cylinder steam exhaust connecting pipe (4);
a first intermediate pressure cylinder steam exhaust control and isolation valve group (1) is connected between a steam exhaust port of the first intermediate pressure cylinder (7) and a steam inlet of the first low pressure cylinder (8), and a second intermediate pressure cylinder steam exhaust control and isolation valve group (2) is connected between a steam exhaust port of the second intermediate pressure cylinder (9) and a steam inlet of the second low pressure cylinder (10);
a first low-pressure cylinder minimum cooling steam pipeline (16) is further connected between an inlet and an outlet of the first intermediate-pressure cylinder steam exhaust control and isolation valve group (1), a second low-pressure cylinder minimum cooling steam pipeline (18) is further connected between an inlet and an outlet of the second intermediate-pressure cylinder steam exhaust control and isolation valve group (2), a first low-pressure cylinder minimum cooling steam pipeline control and isolation valve group (15) are installed on the first low-pressure cylinder minimum cooling steam pipeline (16), and a second low-pressure cylinder minimum cooling steam pipeline control and isolation valve group (17) are installed on the second low-pressure cylinder minimum cooling steam pipeline (18);
a low-pressure water supply connecting pipe (5) is connected between an outlet of a first condensate pump (11) and an outlet of a second condensate pump (12) of the two turbines, and a low-pressure water supply connecting pipe control and isolation valve group (6) is installed on the low-pressure water supply connecting pipe (5).
2. Inter-plant mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the first conventional unit-system generator set (13) and the second conventional unit-system generator set (14) have the same power generation capacity, equivalent capacity, and consistent equipment type and thermodynamic system design.
3. Inter-plant mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the first conventional unit generator set (13) and the second conventional unit generator set (14) are in operation with both boilers and both turbines in operation.
4. The inter-unit mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the exhaust steam of the first intermediate pressure cylinder (7) of the first conventional unit generator set (13) can enter the second low pressure cylinder (10) of the second conventional unit generator set (14) through the intermediate pressure cylinder exhaust steam communication pipe (4) to perform work.
5. The inter-unit mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the second intermediate pressure cylinder (9) exhaust of the second conventional unit generator set (14) can enter the first low pressure cylinder (8) of the first conventional unit generator set (13) through the intermediate pressure cylinder exhaust connecting pipe (4) to do work.
6. Inter-plant mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the condensate at the outlet of the first condensate pump (11) of the first conventional unit generator set (13) can be fed from the low-pressure feed water connection (5) to the low-pressure feed water system of the second conventional unit generator set (14) to maintain the deaerator level of the second conventional unit generator set (14) stable.
7. Inter-plant mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that the outlet condensate of the second condensate pump (12) of the second conventional unit generator set (14) can be fed into the low-pressure feed water system of the first conventional unit generator set (13) through the low-pressure feed water connection pipe (5) to maintain the deaerator water level of the first conventional unit generator set (13) stable.
8. The inter-unit mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that when the second intermediate-pressure cylinder steam exhaust control and isolation valve group (2) of the second conventional unit generator set (14) is closed, the low-pressure cylinder steam extraction of the first conventional unit generator set (13) can enter the second low-pressure cylinder (10) to cool the low-pressure cylinder through the first low-pressure cylinder steam extraction pipe (19), the low-pressure cylinder steam extraction connecting pipe (22) and the second low-pressure cylinder minimum cooling steam pipeline (18), so as to ensure the safe operation of the low-pressure cylinder.
9. The inter-unit mid-row and cooling-based coupled peak shaving system according to claim 1, characterized in that when the first intermediate-pressure cylinder steam exhaust control and isolation valve group (1) of the first conventional unit generator set (13) is closed, the low-pressure cylinder steam extraction of the second conventional unit generator set (14) can enter the first low-pressure cylinder (8) to cool the low-pressure cylinder via the second low-pressure cylinder steam extraction pipe (20), the low-pressure cylinder steam extraction connecting pipe (22) and the first low-pressure cylinder minimum cooling steam pipeline (16), so as to ensure the safe operation of the low-pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568627.2U CN214660396U (en) | 2021-03-19 | 2021-03-19 | Coupling peak shaving system based on middle row and cooling of middle row among units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568627.2U CN214660396U (en) | 2021-03-19 | 2021-03-19 | Coupling peak shaving system based on middle row and cooling of middle row among units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214660396U true CN214660396U (en) | 2021-11-09 |
Family
ID=78454431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120568627.2U Withdrawn - After Issue CN214660396U (en) | 2021-03-19 | 2021-03-19 | Coupling peak shaving system based on middle row and cooling of middle row among units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214660396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153470A (en) * | 2021-03-19 | 2021-07-23 | 西安热工研究院有限公司 | Coupling peak shaving system based on middle row and cooling of units and operation method thereof |
| CN113153470B (en) * | 2021-03-19 | 2025-04-11 | 西安热工研究院有限公司 | Coupling peak-shaving system between units based on middle row and its cooling and operation method thereof |
-
2021
- 2021-03-19 CN CN202120568627.2U patent/CN214660396U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153470A (en) * | 2021-03-19 | 2021-07-23 | 西安热工研究院有限公司 | Coupling peak shaving system based on middle row and cooling of units and operation method thereof |
| CN113153470B (en) * | 2021-03-19 | 2025-04-11 | 西安热工研究院有限公司 | Coupling peak-shaving system between units based on middle row and its cooling and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452611B (en) | Combined-cycle combined heat and power system | |
| CN109854316B (en) | Combined cycle heat supply and power peak regulation coupling system based on energy cascade utilization and operation method thereof | |
| CN110701663A (en) | Method and system of exhaust steam recovery and heating supply of ejector heat pump based on complete thermo-decoupling | |
| CN109869784B (en) | Combined cycle device for steam extraction integration and heat accumulation peak shaving coupling and operation method thereof | |
| CN210509309U (en) | Steam complementary energy utilization coupling steam extraction heat supply system for thermoelectric unit electric power peak regulation | |
| CN108119200A (en) | A kind of new bottom type back pressure heat supply steam turbine and its operation method | |
| CN210858830U (en) | A deep thermal and electrolytic coupling system of ejector gas distribution based on axial thrust balance | |
| CN210088955U (en) | Combined cycle device for steam extraction integration and heat storage peak regulation coupling | |
| CN105156160A (en) | Through-flow parameter optimization effect improvement and peak regulation system for main compound turbine of front machine | |
| CN210179723U (en) | Combined cycle device based on heat supply and electric power peak regulation coupling | |
| CN112065520B (en) | Cold and hot re-cooperative steam supply system and method | |
| CN214464456U (en) | Coupled peak shaving system based on middle exhaust and low pressure extraction steam cooling | |
| CN214464455U (en) | Depth peak regulation system based on thermodynamic system coupling among units | |
| CN114046186A (en) | A composite thermal mass bypass heating and heating system with high flexibility and large thermoelectric ratio | |
| CN214464457U (en) | Peak Shaving System Based on Steam Turbine Medium Pressure Cylinder Exhaust Coupling | |
| CN113431651A (en) | Low-load operation system with one furnace and two machines | |
| CN110056402B (en) | Steam complementary energy utilization coupling steam extraction heat supply system and adjusting method | |
| CN113175367A (en) | Master control system for improving peak regulation capacity and flexibility of unit and operation method | |
| CN109779705B (en) | Heating system for flexibly regulating steam inlet of steam turbine of coal-fired heat supply power plant | |
| CN214660396U (en) | Coupling peak shaving system based on middle row and cooling of middle row among units | |
| CN111828115A (en) | Thermo-decoupling method and system of high and low pressure cutting cylinder based on built-in group injection of exhausted steam | |
| CN207864014U (en) | A kind of heat regenerative system based on back pressure turbine | |
| CN111396155B (en) | Injection self-balancing type high-pressure steam supply full-load thermal decoupling method with medium-pressure valve being regulated | |
| CN214660379U (en) | A thermal system with one furnace and two machines operating at ultra-low load | |
| CN214660397U (en) | Device for improving heat supply steam extraction parameters during low-load operation of double-low-pressure-cylinder steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211109 Effective date of abandoning: 20250411 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211109 Effective date of abandoning: 20250411 |