CN218544379U - Gas and steam combined cycle unit bubble wall temperature difference control device - Google Patents
Gas and steam combined cycle unit bubble wall temperature difference control device Download PDFInfo
- Publication number
- CN218544379U CN218544379U CN202222643812.0U CN202222643812U CN218544379U CN 218544379 U CN218544379 U CN 218544379U CN 202222643812 U CN202222643812 U CN 202222643812U CN 218544379 U CN218544379 U CN 218544379U
- Authority
- CN
- China
- Prior art keywords
- bubble wall
- gas
- rigid coupling
- furnace
- control device
- 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 belongs to the technical field of the energy comprehensive utilization technique and specifically relates to a gas steam combined cycle unit bubble wall difference in temperature controlling means, including bottom plate and furnace base, temperature control device is installed in the top left side of bottom plate, circulating device is installed on the top right side of bottom plate. When the device is started, the flue gas generated by the work of the gas turbine can be introduced into the first air inlet pipe from the tail part of the gas turbine, and then enters the heat exchanger through the first air inlet pipe, so that the high-temperature flue gas is heated into steam in the heat exchanger, the steam can enter the bubble wall body through the third air inlet pipe, and the furnace water in the bubble wall body is subjected to waste heat in advance by matching with the thermometer, meanwhile, the air inflow of the third air inlet pipe is limited, so that the pressure rise rate of the high-pressure steam pocket can be effectively controlled and delayed, and the temperature difference between the upper wall and the lower wall of the bubble wall body in the furnace body can be preliminarily controlled within 50 ℃ of requirements.
Description
Technical Field
The utility model relates to an energy comprehensive utilization technical field specifically is a gas steam combined cycle unit bubble wall difference in temperature controlling means.
Background
The gas-steam combined cycle unit is a power device integrating steam turbine circulation and gas turbine circulation, is an energy comprehensive utilization technology, has high heat efficiency, far exceeds the power generation efficiency of a coal-fired power generator unit, has good environmental protection performance and causes little pollution to the environment.
However, the existing gas-steam combined cycle unit still has some problems when in use, for example, in the starting process of a boiler in the gas-steam combined cycle unit, the natural circulation of high-pressure drum boiler water is not established, saturated steam generated by the high-pressure drum boiler water meets the upper wall of a relatively cold high-pressure drum and can generate condensation heat exchange phenomenon, and the condensation heat exchange coefficient is much larger than the natural convection heat exchange coefficient, so that the temperature rising speed of metal on the upper wall of the high-pressure drum is higher than that of metal on the lower wall of the high-pressure drum, the temperature of the upper wall of the high-pressure drum is higher than that of the lower wall of the high-pressure drum in the starting process of the boiler, the service life of the high-pressure drum of the boiler in the gas-steam combined cycle unit is further reduced, and the stable operation and safety of the unit cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the temperature difference can appear in the high-pressure steam pocket inside the starting process of the existing gas-steam combined cycle unit, thereby the stable operation and safety of the unit can not be guaranteed, and the provided gas-steam combined cycle unit bubble wall temperature difference control device.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a gas steam combined cycle unit bubble wall difference in temperature controlling means, includes bottom plate and furnace base, the rigid coupling has the furnace base in the middle of the top of bottom plate, the preceding terminal surface of furnace base rotates through the hinge and is connected with the furnace gate, the top rigid coupling of furnace base has the furnace body, temperature control device is installed in the top left side of bottom plate, circulating device is installed on the top right side of bottom plate.
Preferably, temperature control device includes the heat exchanger, the below and the bottom plate looks rigid coupling of heat exchanger, the left side below and the right side top of heat exchanger rigid coupling respectively have first intake pipe and second intake pipe, the top intercommunication of second intake pipe has the third intake pipe, and the outer wall of third intake pipe and second intake pipe all with furnace body looks rigid coupling, the right side intercommunication of third intake pipe and second intake pipe has the bubble wall body, and the below and the furnace base looks rigid coupling of bubble wall body.
Preferably, the thermometer is fixedly connected to the lower portion of the right side of the bubble wall body, the middle outer wall of the thermometer is fixedly connected with the furnace body, and therefore the temperature of the lower portion inside the bubble wall body can be monitored through the thermometer.
Preferably, the circulating device includes the water tank, the below and the bottom plate looks rigid coupling of water tank, the rigid coupling has first diaphragm in the middle of the left side of water tank, and the inside rigid coupling of first diaphragm has the pump body, the water inlet and the delivery port of the pump body rigid coupling respectively have first water pipe and second water pipe, and the other end of first water pipe and second water pipe all is linked together with the inside of water tank, the left end of second water pipe runs through the furnace body and links to each other with the top outer wall winding of bubble wall body.
Preferably, the left side top rigid coupling of water tank has the second diaphragm, and the inside of second diaphragm and the outer wall looks rigid coupling of second water pipe, can make the second water pipe more stable through the second diaphragm like this.
Preferably, a drain pipe is communicated with the lower part of the right side of the water tank, so that water in the water tank can be drained through the drain pipe.
The utility model provides a pair of gas steam combined cycle unit bubble wall difference in temperature controlling means, beneficial effect lies in: the first air inlet pipe on the heat exchanger can be connected with the tail part of the gas turbine, so that a gas-steam combined cycle unit can be formed through the steam turbine, the heat exchanger, the furnace body and the internal structure thereof, when the device is started, the flue gas generated by the work of the gas turbine can be introduced into the first air inlet pipe from the tail part of the gas turbine and then enters the heat exchanger through the first air inlet pipe, so that the high-temperature flue gas is heated into steam in the heat exchanger, at the moment, the valve on the second air inlet pipe is in a closed state, the valve on the third air inlet pipe is in an open state, the steam can enter the bubble wall body through the third air inlet pipe and is matched with the thermometer to carry out advanced waste heat on the furnace water in the bubble wall body, the air input of third intake pipe is limited simultaneously, just so can effectual control delay high-pressure steam pocket pressure rate of rising, can tentatively with the bubble wall body in the furnace body about the difference in temperature control within required 50 ℃, later open the valve in the second intake pipe, start the pump body simultaneously, make the pump body through the water suction of first water pipe in with the water tank, again with in the second water pipe with water, make water carry out cooling to the upper wall department of bubble wall body through the second water pipe, the rate of rising temperature of wall body upper wall metal department has just so reduced, thereby great difference in temperature appears when avoiding this device cold starting, and then just prolonged the life-span and its steady operation of device, the security has also been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of the second gas inlet pipe, the furnace base and the heat exchanger in FIG. 2;
FIG. 4 is a schematic view of the pump body of FIG. 2, the first cross plate and the second cross plate;
fig. 5 is a schematic structural view of the main valve body, the air outlet part and the second water pipe in fig. 2.
In the figure: 1. the bottom plate, 2, the furnace base, 3, temperature control device, 301, the heat exchanger, 302, first intake pipe, 303, the second intake pipe, 304, the third intake pipe, 305, the bubble wall body, 3A1, the portion of giving vent to anger, 3A2, the manometer, 3A3, total valve body, 4, circulating device, 401, the water tank, 402, first diaphragm, 403, the pump body, 404, first water pipe, 405, the second water pipe, 5, the furnace gate, 6, the furnace body, 7, the thermometer, 8, the second diaphragm, 9, the fluid-discharge tube.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Example 1:
referring to the attached drawings 1-5, in the embodiment, a gas steam combined cycle unit bubble wall temperature difference control device, including bottom plate 1 and furnace base 2, the rigid coupling has furnace base 2 in the middle of the top of bottom plate 1, the preceding terminal surface of furnace base 2 is connected with furnace gate 5 through the hinge rotation, the top rigid coupling of furnace base 2 has furnace body 6, protect inside structure maliciously through furnace body 6, temperature control device 3 is installed in the top left side of bottom plate 1, can carry out the waste heat to the inside structure of furnace body 6 through temperature control device 3, thereby reduce the difference in temperature, circulating device 4 is installed on the top right side of bottom plate 1, can avoid the top of the inside structure of furnace body 6 to heat up too fast through circulating device 4.
Referring to fig. 1-3, the temperature control device 3 includes a heat exchanger 301, a first air inlet pipe 302, a second air inlet pipe 302, a third air inlet pipe 303 and a bubble wall body 305, the lower side of the heat exchanger 301 is fixedly connected to the bottom plate 1, the type of the heat exchanger 301 can be selected according to the user's requirements, the first air inlet pipe 302 and the second air inlet pipe 303 are fixedly connected to the lower left side and the upper right side of the heat exchanger 301 respectively, the third air inlet pipe 304 is communicated with the upper side of the second air inlet pipe 303, valves are mounted on the third air inlet pipe 304 and the second air inlet pipe 303, the outer walls of the third air inlet pipe 304 and the second air inlet pipe 303 are fixedly connected to the furnace body 6, a one-way valve is disposed at the portion of the third air inlet pipe 304 and the second air inlet pipe 303 located in the bubble wall body 305, the right side of the third air inlet pipe 304 and the right side of the second air inlet pipe 303 is communicated with the bubble wall body 303, a water inlet and outlet structure is disposed at the rear end of the bubble wall body 305, the lower side of the bubble wall body 305 is fixedly connected to the furnace body 2, a bubble thermometer 7 is fixedly connected to the right side of the bubble wall body 305, a bubble thermometer 7 is fixedly connected to the furnace body 305, the thermometer 7 can detect the temperature in the furnace body 305, and the outer wall body 6 is fixedly connected to the thermometer wall body 7;
the first air inlet pipe 302 on the heat exchanger 301 can be connected with the tail part of the gas turbine, so that a gas-steam combined cycle unit can be formed through the gas turbine, the heat exchanger 301, the furnace body 6 and the internal structure thereof, when the device is started, smoke generated by the work of the gas turbine can be introduced into the first air inlet pipe 302 from the tail part of the gas turbine, and then enters the heat exchanger 301 through the first air inlet pipe 302, so that high-temperature smoke is heated into steam in the heat exchanger 301, at the moment, the valve on the second air inlet pipe 303 is in a closed state, the valve on the third air inlet pipe 304 is in an open state, the steam can enter the bubble wall body 305 through the third air inlet pipe 304, and the thermometer 7 is matched to carry out waste heat advance on furnace water in the bubble wall body 305, meanwhile, the air inflow of the third air inlet pipe 304 is limited, so that the pressure rise rate of the high-pressure steam pocket can be effectively controlled and delayed, and the temperature difference between the upper wall body 305 and the lower wall body 305 in the furnace body 6 can be preliminarily controlled within 50 ℃.
Referring to fig. 1, 2, 4 and 5, the circulation device 4 includes a water tank 401, a first horizontal plate 402, a pump body 403, a first water pipe 404 and a second water pipe 405, the lower portion of the water tank 401 is fixedly connected to the bottom plate 1, the water tank 401 is provided with a cover body, the middle of the left side of the water tank 401 is fixedly connected to the first horizontal plate 402, the pump body 403 is fixedly connected to the inside of the first horizontal plate 402, the model of the pump body 403 can be selected according to the user's requirements, the water inlet and the water outlet of the pump body 403 are fixedly connected to the first water pipe 404 and the second water pipe 405 respectively, the other ends of the first water pipe 404 and the second water pipe 405 are both communicated with the inside of the water tank 401, the left end of the second water pipe 405 penetrates through the furnace body 6 and is wound and connected to the upper outer wall of the bubble wall body 305, so that the circulating water in the second water pipe 405 can cool the upper wall of the bubble wall body 305, the upper portion of the left side of the water tank 401 is fixedly connected to the second horizontal plate 8, the inside of the second horizontal plate 8 is fixedly connected to the outer wall of the second water pipe 405, the outer wall 405, the right side of the water tank 401 is communicated with the liquid discharge pipe 9, and the valve 9 is provided with the liquid discharge pipe 9;
can open the valve in the second intake pipe 303, start the pump body 403 simultaneously, make the pump body 403 through the water suction of first water pipe 404 in with water tank 401, go into second water pipe 405 with the water again, make water carry out cooling to the upper wall department of bubble wall body 305 through second water pipe 405, the programming rate of temperature of bubble wall body 305 upper wall metal department has just so been reduced, thereby great difference in temperature appears when avoiding this device cold starting, and then just prolonged the life-span of device and its steady operation, the security has also been improved.
In this embodiment, when an operator needs to use the bubble wall temperature difference control device of the gas-steam combined cycle unit, the operator may connect the first air inlet pipe 302 on the heat exchanger 301 with the tail of the gas turbine, so that the gas-steam combined cycle unit may be formed by the gas turbine, the heat exchanger 301, the furnace body 6 and the internal structure thereof, when the device is started, the flue gas generated by the gas turbine may be introduced into the first air inlet pipe 302 from the tail thereof, and then enters the heat exchanger 301 through the first air inlet pipe 302, so that the high-temperature flue gas is heated into water vapor in the heat exchanger 301, at this time, the valve on the second air inlet pipe 303 is in a closed state, the valve on the third air inlet pipe 304 is in an open state, the water vapor may enter the bubble wall body 305 through the third air inlet pipe 304, and cooperate with the thermometer 7 to carry out waste heat advance on the furnace water in the bubble wall body 305, and at the same time, the air intake amount of the third air inlet pipe 304 is limited, so that the pressure rising rate of the high-pressure steam drum may be effectively controlled to delay, the temperature difference between the upper and lower wall of the bubble 305 by 50 ℃, and then the temperature difference of the water tank is reduced, and the temperature of the water tank is reduced by the cooling water tank 405, thereby reducing the temperature difference control device, and the water tank 405, and the cooling water tank 405, and the water tank is further, the water tank is started, and the water tank is started.
Example 2:
referring to fig. 1-5, in this embodiment, the utility model provides a technical solution: a temperature control device for a bubble wall temperature difference of a gas-steam combined cycle unit, wherein the temperature control device 3 further comprises a gas outlet part 3A1, a pressure gauge 3A2 and a main valve body 3A3, the middle and the lower part of the gas outlet part 3A1 are fixedly connected with a furnace body 6 and a bubble wall body 305 respectively, the left side and the right side of the gas outlet part 3A1 are communicated with the pressure gauge 3A2 and the main valve body 3A3 respectively, the pressure at the gas outlet part 3A1 can be detected through the pressure gauge 3A2, the pressure can be relieved through the main valve body 3A3, and the middle outer walls of the pressure gauge 3A2 and the main valve body 3A3 are fixedly connected with the furnace body 6;
can set up manometer 3A2 and main valve body 3A3 in the left and right sides of the portion of giving vent to anger 3A1, can detect the atmospheric pressure of the portion of giving vent to anger 3A1 department through manometer 3A2 like this, can carry out the pressure release etc. through main valve body 3A3 to safety more.
In this embodiment, when operating personnel need use gas steam combined cycle unit bubble wall temperature difference controlling means, can set up manometer 3A2 and main valve body 3A3 in the left and right sides of the portion of giving vent to anger 3A1, can detect the atmospheric pressure of the portion of giving vent to anger 3A1 department through manometer 3A2 like this, can carry out the pressure release etc. through main valve body 3A3 to safety more.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (6)
1. The utility model provides a gas steam combined cycle unit bubble wall temperature difference controlling means, includes bottom plate (1) and stove seat (2), the rigid coupling has stove seat (2), its characterized in that in the middle of the top of bottom plate (1): the furnace comprises a furnace base (2), and is characterized in that the front end face of the furnace base (2) is rotatably connected with a furnace door (5) through a hinge, a furnace body (6) is fixedly connected to the upper side of the furnace base (2), a temperature control device (3) is installed on the left side of the upper side of a bottom plate (1), and a circulating device (4) is installed on the right side of the upper side of the bottom plate (1).
2. The gas-steam combined cycle unit bubble wall temperature difference control device according to claim 1, characterized in that: temperature control device (3) include heat exchanger (301), the below and bottom plate (1) looks rigid coupling of heat exchanger (301), the left side below and the right side top of heat exchanger (301) rigid coupling respectively have first intake pipe (302) and second intake pipe (303), the top intercommunication of second intake pipe (303) has third intake pipe (304), and the outer wall of third intake pipe (304) and second intake pipe (303) all with furnace body (6) looks rigid coupling, the right side intercommunication of third intake pipe (304) and second intake pipe (303) has bubble wall body (305), and the below and the furnace base (2) looks rigid coupling of bubble wall body (305).
3. The gas-steam combined cycle unit bubble wall temperature difference control device according to claim 2, characterized in that: a thermometer (7) is fixedly connected to the lower portion of the right side of the bubble wall body (305), and the middle outer wall of the thermometer (7) is fixedly connected with the furnace body (6).
4. The gas-steam combined cycle unit bubble wall temperature difference control device according to claim 1, characterized in that: circulating device (4) include water tank (401), the below and bottom plate (1) looks rigid coupling of water tank (401), the rigid coupling has first diaphragm (402) in the middle of the left side of water tank (401), and the inside rigid coupling of first diaphragm (402) has pump body (403), the water inlet and the delivery port of pump body (403) rigid coupling respectively have first water pipe (404) and second water pipe (405), and the other end of first water pipe (404) and second water pipe (405) all are linked together with the inside of water tank (401), the left end of second water pipe (405) runs through furnace body (6) and links to each other with the top outer wall winding of bubble wall body (305).
5. The gas-steam combined cycle unit bubble wall temperature difference control device according to claim 4, characterized in that: the left side top rigid coupling of water tank (401) has second diaphragm (8), and the inside of second diaphragm (8) and the outer wall looks rigid coupling of second water pipe (405).
6. The gas-steam combined cycle unit bubble wall temperature difference control device according to claim 4, characterized in that: a liquid discharge pipe (9) is communicated with the lower part of the right side of the water tank (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643812.0U CN218544379U (en) | 2022-10-09 | 2022-10-09 | Gas and steam combined cycle unit bubble wall temperature difference control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643812.0U CN218544379U (en) | 2022-10-09 | 2022-10-09 | Gas and steam combined cycle unit bubble wall temperature difference control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218544379U true CN218544379U (en) | 2023-02-28 |
Family
ID=85276863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222643812.0U Active CN218544379U (en) | 2022-10-09 | 2022-10-09 | Gas and steam combined cycle unit bubble wall temperature difference control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218544379U (en) |
-
2022
- 2022-10-09 CN CN202222643812.0U patent/CN218544379U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218544379U (en) | Gas and steam combined cycle unit bubble wall temperature difference control device | |
| CN208040541U (en) | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system | |
| CN204704011U (en) | A kind of distributed energy fume afterheat deep exploitation system | |
| CN110863924B (en) | Heat production recovery system of cogeneration unit | |
| CN212005895U (en) | Wall-mounted graphene electric heating stove | |
| CN212869828U (en) | Oil-fired boiler | |
| CN210921355U (en) | Steam boiler waste heat recovery device | |
| CN210801116U (en) | Gas hot water-steam generator | |
| CN210584290U (en) | Oil refining chemical industry safety environmental protection gas collection system | |
| CN207849537U (en) | A kind of heating thermal storage equipment of multi-stage heat exchanger | |
| CN207333049U (en) | A kind of hot gas fused salt low temperature Stirling electricity generation system | |
| CN206737965U (en) | A kind of Stirling engine Waste Heat Reuse electricity generation system | |
| CN214791012U (en) | High-heat-conductivity graded heat-conducting gas turbine waste heat boiler | |
| CN210663342U (en) | Gas heating stove with good energy-saving effect | |
| CN218723345U (en) | Flue gas waste heat recovery device | |
| CN112178605A (en) | Integrated two-stage temperature-rising efficient energy-saving heat pipe steam generator | |
| CN201297614Y (en) | Automatic vacuum maintain device | |
| CN212456779U (en) | Novel heating and ventilation air conditioner heat source equipment | |
| CN219674191U (en) | Comprehensive utilization device for flue gas waste heat of gas boiler | |
| CN211060415U (en) | Intelligent efficient energy-saving wall-mounted furnace | |
| CN215765015U (en) | Circulating steam generator capable of recycling flue gas | |
| CN211502741U (en) | Steam heat energy cyclic utilization boiler | |
| CN215216723U (en) | Pressure-fired phase-change hot water boiler | |
| CN211176747U (en) | Novel dual-purpose device of through-flow steam engine and water heater | |
| CN217635718U (en) | Natural gas boiler flue gas waste heat recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |