CN218095878U - Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into - Google Patents
Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into Download PDFInfo
- Publication number
- CN218095878U CN218095878U CN202220185987.9U CN202220185987U CN218095878U CN 218095878 U CN218095878 U CN 218095878U CN 202220185987 U CN202220185987 U CN 202220185987U CN 218095878 U CN218095878 U CN 218095878U
- Authority
- CN
- China
- Prior art keywords
- steam
- pipe
- coal
- gas turbine
- fired
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses a coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into, including gas turbine exhaust-heat boiler steam pipe and coal-fired steam pipe, the outside of gas turbine exhaust-heat boiler steam pipe is equipped with coal-fired steam pipe, and the gas turbine exhaust-heat boiler steam pipe outside of coal-fired steam pipe one side is equipped with the steam turbine body, and the gas turbine exhaust-heat boiler steam pipe outside of steam turbine body one side is equipped with the tee bend valve of plugging into, and the tee bend is plugged into and is installed the steam turbine pipe on the outer wall of valve, and the one end of steam turbine pipe extends to the inside of steam turbine body. The utility model discloses not only realized plugging into through coal fired boiler steam and gas turbine exhaust-heat boiler steam, strengthened the flexibility of unit operational mode, guaranteed unit safe operation moreover, need not stop the steam turbine, improved the economic efficiency of unit.
Description
Technical Field
The utility model relates to a pipeline technical field that plugs into specifically is a coal fired boiler steam and gas-turbine exhaust-heat boiler device of plugging into.
Background
The operation mode of the power plant is as follows: when the gas turbine and the steam are in combined cycle, the coal-fired boiler is stopped, when the coal-fired boiler is operated, the gas turbine is stopped, and when the gas turbine and the steam are in combined cycle operation mode: the gas turbine is stopped, the coal-fired boiler is started in order to stop the steam turbine, and the generated steam is connected with the steam of the gas turbine waste heat boiler to supply the steam turbine to generate power.
Such kind of pipeline device of plugging into on the market is various today, can satisfy people's user demand basically, but still have certain problem, the coal fired boiler steam of generally not being convenient for when using of current such kind of pipeline device of plugging into plugs into with combustion engine exhaust-heat boiler steam, the in-process of plugging into, there is low temperature steam (or steam area water) to get into the steam turbine, the water hammer accident takes place, consequently, in order to solve the in-process of plugging into, prevent that low temperature steam (or steam area water) from getting into the steam turbine, need reasonable steam pipeline technology to arrange and the operation mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal fired boiler steam and gas-turbine exhaust-heat boiler device of plugging into to it is not convenient for coal fired boiler steam and gas-turbine exhaust-heat boiler steam to plug into to propose the pipeline device of plugging into among the above-mentioned background art, shuts down the problem of use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into, includes gas turbine exhaust-heat boiler steam pipe and coal-fired steam pipe, the outside of gas turbine exhaust-heat boiler steam pipe is equipped with coal-fired steam pipe, the gas turbine exhaust-heat boiler steam pipe outside of coal-fired steam pipe one side is equipped with the steam turbine body, the gas turbine exhaust-heat boiler steam pipe outside of steam turbine body one side is equipped with the tee bend valve of plugging into, install the steam turbine pipe on the outer wall of the valve is plugged into to the tee bend, and the one end of steam turbine pipe extends to the inside of steam turbine body, the one end of gas turbine exhaust-heat boiler steam pipe extends to the inside of tee bend valve of plugging into, the one end of coal-fired steam pipe extends to the inside of tee bend valve of plugging into.
Preferably, a gas turbine pipe parallel air valve is sleeved on the surface of the gas turbine waste heat boiler steam pipe above the three-way connection valve, and the inner wall of the gas turbine pipe parallel air valve is fixedly connected with the gas turbine waste heat boiler steam pipe.
Preferably, a coal-fired pipe parallel gas valve is sleeved on the surface of the coal-fired steam pipe on one side of the three-way connection valve, and the inner wall of the coal-fired pipe parallel gas valve is fixedly connected with the coal-fired steam pipe.
Preferably, the surface of the steam pipe of the gas turbine waste heat boiler above the gas turbine pipe parallel valve is sleeved with a gas turbine pipe pair evacuation atmosphere valve, and the surface of the coal-fired steam pipe at one side of the coal-fired pipe parallel valve is sleeved with a coal-fired pipe pair evacuation atmosphere valve.
Preferably, a gas turbine pipe thermometer is sleeved on the surface of the gas turbine waste heat boiler steam pipe, and a gas turbine pipe pressure gauge is sleeved on the surface of the gas turbine waste heat boiler steam pipe on one side of the gas turbine pipe thermometer.
Preferably, the surface of the coal-fired steam pipe is sleeved with a coal-fired pipe thermometer, and the surface of the coal-fired steam pipe on one side of the coal-fired pipe thermometer is sleeved with a coal-fired pipe pressure gauge.
Compared with the prior art, the beneficial effects of the utility model are that: the pipeline connection device not only realizes connection of the steam of the coal-fired boiler and the steam of the gas turbine waste heat boiler, enhances the flexibility of the unit operation mode, but also ensures the unit to safely operate without stopping the steam turbine, and improves the economic efficiency of the unit;
(1) When the temperature of the coal-fired steam pipe is close to that of the steam pipe of the gas turbine waste heat boiler, the three-way connection valve is opened through the steam turbine body, the temperature of the coal-fired steam pipe is immediately close to be consistent with that of the steam pipe of the gas turbine waste heat boiler, the pressure of the coal-fired steam pipe is higher than that of the steam pipe of the gas turbine waste heat boiler, steam flows in the forward direction, and steam connection is completed.
(2) The flexibility of the unit operation mode is enhanced by connecting the coal-fired boiler steam and the gas turbine waste heat boiler steam, the unit is ensured to operate safely, and the economic efficiency of the unit is improved.
(3) Meanwhile, low-temperature steam or steam with water is prevented from entering the steam turbine, water impact accidents occur, steam parameters entering the steam turbine body are matched, the starting time of the unit is greatly shortened, and meanwhile, the loss of the steam is reduced and the quick starting capability of the unit is improved.
Drawings
FIG. 1 is a schematic view of the system flow structure of the present invention;
fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;
FIG. 3 is an enlarged schematic view of the flow of the coal-fired steam pipe system of the present invention;
fig. 4 is the structure schematic diagram of the flow amplification of the steam pipe system of the gas turbine exhaust-heat boiler of the utility model.
In the figure: 1. a steam pipe of a gas turbine waste heat boiler; 2. a coal-fired steam pipe; 3. a gas turbine tube thermometer; 4. a combustion engine manifold pressure gauge; 5. the gas valve is evacuated by the gas pipe pair; 6. a gas valve is arranged in the gas pipe; 7. a three-way connection valve; 8. a steam turbine pipe; 9. a steam turbine body; 10. a coal burning pipe gas merging valve; 11. a coal pipe pressure gauge; 12. a coal fired tube thermometer; 13. the coal burning pipe pair is used for emptying the atmospheric valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a coal fired boiler steam and gas-turbine exhaust-heat boiler device of plugging into, including gas-turbine exhaust-heat boiler steam pipe 1 and coal-fired steam pipe 2, the outside of gas-turbine exhaust-heat boiler steam pipe 1 is equipped with coal-fired steam pipe 2, the outside of gas-turbine exhaust-heat boiler steam pipe 1 of coal-fired steam pipe 2 one side is equipped with steam turbine body 9, the outside of gas-turbine exhaust-heat boiler steam pipe 1 of steam turbine body 9 one side is equipped with tee junction valve 7, install steam turbine pipe 8 on the outer wall of tee junction valve 7, and one end of steam turbine pipe 8 extends to the inside of steam turbine body 9, one end of gas-turbine exhaust-heat boiler steam pipe 1 extends to the inside of tee junction valve 7, one end of coal-fired steam pipe 2 extends to the inside of tee junction valve 7;
a gas turbine tube and gas valve 6 is sleeved on the surface of the gas turbine waste heat boiler steam tube 1 above the three-way connection valve 7, and the inner wall of the gas turbine tube and gas valve 6 is fixedly connected with the gas turbine waste heat boiler steam tube 1;
the surface of the coal-fired steam pipe 2 at one side of the three-way connection valve 7 is sleeved with a coal-fired pipe parallel gas valve 10, the inner wall of the coal-fired pipe parallel gas valve 10 is fixedly connected with the coal-fired steam pipe 2, the surface of the steam pipe 1 of the gas turbine waste heat boiler above the gas turbine pipe parallel gas valve 6 is sleeved with a coal-fired pipe opposite air exhaust valve 5, and the surface of the coal-fired steam pipe 2 at one side of the coal-fired pipe parallel gas valve 10 is sleeved with a coal-fired pipe opposite air exhaust valve 13;
the surface of a steam pipe 1 of the gas turbine waste heat boiler is sleeved with a gas turbine pipe thermometer 3, the surface of the steam pipe 1 of the gas turbine waste heat boiler on one side of the gas turbine pipe thermometer 3 is sleeved with a gas turbine pipe pressure gauge 4, the surface of a coal-fired steam pipe 2 is sleeved with a coal-fired pipe thermometer 12, and the surface of the coal-fired steam pipe 2 on one side of the coal-fired pipe thermometer 12 is sleeved with a coal-fired pipe pressure gauge 11;
when the device is used, a steam pipe 1 of the gas turbine waste heat boiler and a coal-fired steam pipe 2 are connected in parallel through a pipeline with the same volume, the steam pipe 1 of the gas turbine waste heat boiler is transversely arranged, a gas turbine pipe thermometer 3, a gas turbine pipe pressure gauge 4, a gas turbine pipe pair evacuation atmosphere valve 5, a gas turbine pipe parallel air valve 6 and other devices are arranged on the surface of the steam pipe 1 of the gas turbine waste heat boiler, the coal-fired boiler is started, steam enters the interior of the steam pipe 1 of the gas turbine waste heat boiler, the gas turbine pipe thermometer 3 and the gas turbine pipe pair evacuation atmosphere valve 5 are monitored, the gas turbine pipe pair evacuation atmosphere valve 5 is controlled by the gas turbine pipe to be on and off, the drainage in the steam pipe 1 of the gas turbine waste heat boiler is exhausted, passes through the gas turbine pipe parallel air valve 6 and is communicated with the three-way connection valve 7, and the temperature of the steam thermometer of the coal-fired boiler is controlled through a coal-fired pipe 12 and a coal-fired pipe pressure gauge 11 on the surface of the coal-fired steam pipe 2, when the temperature of the coal-fired steam pipe 2 is close to that of the steam pipe 1 of the gas turbine waste heat boiler, the steam pressure in the gas valve 6 of the gas turbine waste heat boiler is controlled to be higher than the pressure in the gas valve 10 of the coal-fired pipe by 0.1-0.2 Mpa through the steam turbine body 9, the three-way connection valve 7 is opened, at the moment, a part of pressure in the steam pipe 1 of the gas turbine waste heat boiler is mixed with the steam in the coal-fired steam pipe 2, the steam flows reversely, low-temperature steam in the coal-fired steam pipe 2 is driven to flow to the air valve 13 of the coal-fired pipe pair of the coal-fired boiler, the coal-fired pipe controls the on-off of the air valve 13 to exhaust, the temperature of the coal-fired steam pipe 2 and the temperature of the pipeline of the gas turbine waste heat boiler steam pipe 1 are immediately close to be consistent, then the steam pressure of the coal-fired boiler is improved to be higher than that of the gas turbine waste heat boiler, at the moment, the pressure of the coal-fired steam pipe 2 is higher than that of the gas turbine waste heat boiler steam pipe 1, the steam flows forwards, and the steam connection is completed.
The flexibility of the unit operation mode is enhanced by connecting the steam of the coal-fired boiler and the steam of the gas turbine waste heat boiler, so that the steam parameters of the steam turbine body 9 entering the steam can be quickly matched, the safe operation of the unit is ensured, the steam of the coal-fired boiler is connected with the steam of the gas turbine waste heat boiler, the gas turbine is stopped or the coal-fired boiler is stopped, the steam turbine is not required to be stopped, and the economic efficiency of the unit is improved.
Meanwhile, low-temperature steam or steam with water is prevented from entering the steam turbine, water impact accidents are prevented, steam parameters of the steam entering the steam turbine body 9 are matched, the starting time of the unit is greatly shortened, the loss of the steam is reduced, the quick starting capability of the unit is improved, the steam parameters of the coal-fired boiler steam and the steam parameter of the gas turbine waste heat boiler are matched, the requirements of a steam pipeline and the metal temperature of a cylinder of the steam turbine body 9 are met, thermal impact on metal materials due to large steam temperature difference is avoided, and the service lives of the pipeline and the metal materials of the steam turbine are prolonged.
When the embodiment of the application is used: firstly, a steam pipe 1 of the gas turbine waste heat boiler and a coal-fired steam pipe 2 are connected in parallel through a pipeline with the same volume, the steam pipe 1 of the gas turbine waste heat boiler is transversely arranged, a gas turbine pipe thermometer 3, a gas turbine pipe pressure gauge 4, a gas turbine pipe pair evacuation atmosphere valve 5, a gas turbine pipe parallel gas valve 6 and other devices are arranged on the surface of the steam pipe 1 of the gas turbine waste heat boiler, the coal-fired boiler is started, steam enters the interior of the steam pipe 1 of the gas turbine waste heat boiler, the gas exhaust valve 5 is controlled by monitoring the gas turbine pipe thermometer 3 and the gas turbine pipe pair evacuation atmosphere valve 5, the on-off control of the gas turbine pipe pair evacuation atmosphere valve 5 is carried out, the drainage in the steam pipe 1 of the gas turbine waste heat boiler is exhausted, the drainage passes through the gas turbine pipe parallel gas valve 6 and is communicated with a three-way connection valve 7, the steam temperature of the coal-fired boiler is controlled by a coal-fired pipe thermometer 12 and a coal-fired pipe pressure gauge 11 on the surface of the coal-fired steam pipe 2, when the temperature in the steam pipe 2 of the gas turbine waste heat boiler is close to the temperature in the interior of the gas turbine waste heat boiler 1, when the steam pressure in the gas turbine tube parallel valve 6 is controlled to be higher than the pressure in the coal-fired tube parallel valve 10 by 0.1-0.2 Mpa through the steam turbine body 9, the three-way connection valve 7 is opened, at the moment, a part of the steam in the gas turbine waste heat boiler steam tube 1 is mixed with the steam in the coal-fired steam tube 2, the steam flows reversely to drive the low-temperature steam in the coal-fired steam tube 2 to the coal-fired tube pair evacuation atmosphere valve 13 of the coal-fired boiler, the coal-fired tube controls the on-off of the evacuation atmosphere valve 13 to exhaust, the pipeline temperature of the coal-fired steam tube 2 and the gas turbine waste heat boiler steam tube 1 is immediately close to be consistent, the steam pressure of the coal-fired boiler is improved to be higher than the steam pressure of the gas turbine waste heat boiler, at the moment, the pressure of the coal-fired steam tube 2 is higher than the steam tube 1 of the gas turbine waste heat boiler, the steam flows forwards, the steam connection is completed, and the steam of the coal-fired boiler is connected with the gas turbine waste heat boiler, the flexibility of the running mode of the unit is enhanced, and the use work of the pipeline connection device is completed.
Claims (6)
1. The utility model provides a coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into, includes gas turbine exhaust-heat boiler steam pipe (1) and coal-fired steam pipe (2), its characterized in that: the outside of gas turbine waste heat boiler steam pipe (1) is equipped with coal-fired steam pipe (2), the gas turbine waste heat boiler steam pipe (1) outside of coal-fired steam pipe (2) one side is equipped with steam turbine body (9), the gas turbine waste heat boiler steam pipe (1) outside of steam turbine body (9) one side is equipped with tee junction valve (7), install steam turbine pipe (8) on the outer wall of tee junction valve (7), and the one end of steam turbine pipe (8) extends to the inside of steam turbine body (9), the one end of gas turbine waste heat boiler steam pipe (1) extends to the inside of tee junction valve (7), the one end of coal-fired steam pipe (2) extends to the inside of tee junction valve (7).
2. The coal-fired boiler steam and gas turbine exhaust-heat boiler interfacing apparatus of claim 1, characterized in that: the surface of the steam pipe (1) of the gas turbine waste heat boiler above the three-way connection valve (7) is sleeved with a gas turbine pipe parallel valve (6), and the inner wall of the gas turbine pipe parallel valve (6) is fixedly connected with the steam pipe (1) of the gas turbine waste heat boiler.
3. The coal-fired boiler steam and gas turbine exhaust-heat boiler interfacing apparatus of claim 2, characterized in that: the surface of the coal-fired steam pipe (2) at one side of the three-way connection valve (7) is sleeved with a coal-fired pipe gas-mixing valve (10), and the inner wall of the coal-fired pipe gas-mixing valve (10) is fixedly connected with the coal-fired steam pipe (2).
4. The coal-fired boiler steam and gas turbine exhaust-heat boiler interfacing apparatus of claim 3, characterized in that: the surface of a steam pipe (1) of the gas turbine waste heat boiler above the gas turbine pipe parallel gas valve (6) is sleeved with a gas turbine pipe pair emptying atmosphere valve (5), and the surface of a coal burning steam pipe (2) at one side of the coal burning pipe parallel gas valve (10) is sleeved with a coal burning pipe pair emptying atmosphere valve (13).
5. The coal-fired boiler steam and gas turbine exhaust-heat boiler interfacing apparatus of claim 1, characterized in that: the surface of the steam pipe (1) of the gas turbine waste heat boiler is sleeved with a gas turbine pipe thermometer (3), and the surface of the steam pipe (1) of the gas turbine waste heat boiler on one side of the gas turbine pipe thermometer (3) is sleeved with a gas turbine pipe pressure gauge (4).
6. The coal-fired boiler steam and gas turbine exhaust-heat boiler interfacing apparatus of claim 1, characterized in that: the surface of the coal-fired steam pipe (2) is sleeved with a coal-fired pipe thermometer (12), and the surface of the coal-fired steam pipe (2) at one side of the coal-fired pipe thermometer (12) is sleeved with a coal-fired pipe pressure gauge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185987.9U CN218095878U (en) | 2022-01-24 | 2022-01-24 | Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185987.9U CN218095878U (en) | 2022-01-24 | 2022-01-24 | Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218095878U true CN218095878U (en) | 2022-12-20 |
Family
ID=84442693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220185987.9U Active CN218095878U (en) | 2022-01-24 | 2022-01-24 | Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218095878U (en) |
-
2022
- 2022-01-24 CN CN202220185987.9U patent/CN218095878U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218095878U (en) | Coal fired boiler steam and gas turbine exhaust-heat boiler device of plugging into | |
| CN205135796U (en) | Novel cold combined heat and power generation system | |
| CN203010570U (en) | Boiler waste heat energy-saving system | |
| CN101696080A (en) | Smoke exhaust system of glass melting furnace | |
| CN202328178U (en) | Energy-saving and emission-reducing combustion boiler device | |
| CN105987615A (en) | Blockage cleaning and dust removing equipment for industrial furnace | |
| CN208687696U (en) | A kind of three backhaul Split type gas steam generators | |
| CN210891595U (en) | Energy-saving steam generator | |
| CN202452482U (en) | Fuel oil combustion system | |
| CN201916007U (en) | Energy-saving shaft seal heater system | |
| CN202398266U (en) | Comprehensive waste gas treatment system | |
| CN201301726Y (en) | Mash gas adding system and safety protecting mechanism of coal mine air last methane oxygenizing device | |
| CN205784661U (en) | Industrial furnace block clearing cleaner | |
| CN111322595B (en) | Waste heat recovery device for thermal power generation | |
| CN220355168U (en) | Boiler exhaust steam recovery device | |
| CN210772821U (en) | Automatic heating and pressurizing boiler | |
| CN205717885U (en) | A kind of energy saving and environment friendly heating boiler | |
| CN219368458U (en) | Waste heat recovery device of air compressor | |
| CN208546237U (en) | A kind of distributed energy resource system | |
| CN206352819U (en) | A kind of steam boiler pressure controls energy saver | |
| CN214172548U (en) | Novel energy-conserving high-efficient gas boiler device | |
| CN221684575U (en) | Heat accumulating type incinerator | |
| CN214405588U (en) | Hydrophobic device for preventing steam-water mixing in steam pipeline | |
| CN220748404U (en) | Tangential gas turbine | |
| CN204060799U (en) | Helix steam motor and boiler water supply device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |