CN214745890U - Thermal power station boiler running state early warning system based on Internet of things - Google Patents
Thermal power station boiler running state early warning system based on Internet of things Download PDFInfo
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- CN214745890U CN214745890U CN202120599824.0U CN202120599824U CN214745890U CN 214745890 U CN214745890 U CN 214745890U CN 202120599824 U CN202120599824 U CN 202120599824U CN 214745890 U CN214745890 U CN 214745890U
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Abstract
The utility model discloses a thermal power station boiler running state early warning system based on thing networking relates to thermal power station boiler field, include: the flame monitor is arranged in a hearth of a thermal power station boiler; the gas pressure sensor is arranged in the hearth; one end of the gas analyzer is arranged at one end of the flue close to the hearth; the air exhaust equipment is communicated with the hearth; the ignition oil gun is arranged on one side of the hearth; the laser generator and the light intensity detector are respectively arranged at two sides in the flue, the laser generator and the light intensity detector are arranged oppositely, and the light intensity detector can receive laser emitted by the laser emitter and measure light intensity; the control unit is connected with the flame monitor, the gas pressure sensor, the gas analyzer, the exhaust equipment, the ignition oil gun and the light intensity detector; the communication module is arranged in the control unit and can be in communication connection with a remote terminal; the realization is foreseen boiler equipment's trouble, avoids causing the influence to boiler equipment's life-span, reduces thermal power plant boiler equipment's running cost.
Description
Technical Field
The utility model belongs to thermal power station boiler field, more specifically relates to a thermal power station boiler running state early warning system based on thing networking.
Background
Due to the important position of boiler equipment in the operation process of a thermal power station, real-time parameters of a boiler need to be monitored, particularly the temperature of a hearth: when the temperature of the hearth rises, molten ash or flue coking can be generated; the furnace temperature reduces, can produce the combustion rate and descend and lead to the generated energy to reduce, can take place the furnace even and put out a fire and influence the serious accident of power plant's safe economic operation, not only can lead to the fuel damage when generated energy reduces and relight, still can cause other accidents, if not in time discover and cut off fuel or oil gun reveal when putting out a fire, can cause the fire extinguishing blasting etc. in case these circumstances appear, light then influence the life of boiler, heavy then shut down, the blowing out, lead to boiler or steam turbine to damage even, in addition, put out a fire and still lead to boiler and steam turbine to receive the effect of repetition alternation thermal stress, there is certain influence to the life-span of equipment, increase the running cost of thermal power station boiler equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough that exists among the prior art, provide a thermal power station boiler running state early warning system based on thing networking, monitor the operational aspect of furnace and flue through the control unit, the monitoring data who acquires transmits remote terminal through communication module, realize forecasting boiler equipment's trouble, make the staff learn in advance and adjust, avoid causing the influence to boiler equipment's life-span, reduce thermal power station boiler equipment's running cost.
In order to realize the above-mentioned purpose, a thermal power station boiler running state early warning system based on thing networking is provided, includes:
the flame monitor is arranged in a hearth of a thermal power station boiler;
the gas pressure sensor is arranged in the hearth;
one end of the gas analyzer is arranged at one end, close to the hearth, of the flue of the thermal power station boiler;
the air exhaust equipment is communicated with the hearth;
the ignition oil gun is arranged on one side of the hearth;
the laser generator and the light intensity detector are respectively arranged on two sides in the flue, the laser generator and the light intensity detector are oppositely arranged, and the light intensity detector can receive laser emitted by the laser emitter and measure light intensity;
the control unit is connected with the flame monitor, the gas pressure sensor, the gas analyzer, the exhaust equipment, the ignition oil gun and the light intensity detector;
and the communication module is arranged in the control unit and can be in communication connection with a remote terminal.
Optionally, the gas pressure sensor is disposed below the exhaust device, and the plurality of gas pressure sensors are disposed along a vertical direction of the furnace.
Optionally, the flue gas temperature monitoring device further comprises a temperature sensor buried in the outer wall of the flue and used for monitoring the temperature of the outer wall of the flue.
Optionally, the exhaust device comprises a coal-feeding fan and a smoke-exhausting fan.
Optionally, the coal feeding fan is arranged on one side of the hearth, and the smoke exhaust fan is arranged on the other side of the hearth.
Optionally, the ignition oil gun is arranged on the side wall of the hearth in a penetrating mode.
Optionally, a sealing ring is arranged on the circumferential outer side of the ignition oil gun, and the inner side and the outer side of the sealing ring are respectively connected with the ignition oil gun and the hearth side wall.
Optionally, the control unit further includes a data processing module, a data storage module, and an early warning module, and the early warning module can transmit early warning information to the cloud server through the communication module.
The utility model provides a thermal power station boiler running state early warning system based on thing networking, its beneficial effect lies in:
1. the early warning system monitors the operation process of the boiler in real time through the control unit, performs data acquisition on gas pressure, oxygen content and flue light intensity, sends early warning information through the communication module when finding that the measured data exceeds a standard numerical range, adjusts and solves the early warning information in advance, and reduces the accident frequency of the boiler;
2. in a control unit of the early warning system, collected data are analyzed and processed through a data processing module, the collected data are compared with a threshold value set in a data storage module in advance, whether an early warning module is started or not is determined according to a comparison result, if an early warning signal needs to be sent, and early warning information is transmitted to a cloud server to achieve early warning and reminding of faults in a network.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows according to the utility model discloses an embodiment one based on the boiler running state early warning system of thermal power station structural schematic diagram.
Fig. 2 shows a schematic structural diagram of a control unit according to a first embodiment of the present invention.
Description of reference numerals:
1. a flame monitor; 2. a gas pressure sensor; 3. a gas analyzer; 4. an ignition oil gun; 5. A laser generator; 6. a light intensity detector; 7. a control unit; 8. a communication module; 9. a temperature sensor; 10. a coal feeding fan; 11. a smoke exhaust fan; 12. a seal ring; 13. a data processing module; 14. A data storage module; 15. an early warning module; 16. and (4) a cloud server.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a thermal power station boiler running state early warning system based on thing networking, include:
the flame monitor is arranged in a hearth of a thermal power station boiler;
the gas pressure sensor is arranged in the hearth;
one end of the gas analyzer is arranged at one end, close to the hearth, of a flue of the thermal power station boiler;
the air exhaust equipment is communicated with the hearth;
the ignition oil gun is arranged on one side of the hearth;
the laser generator and the light intensity detector are respectively arranged on two sides in the flue, the laser generator and the light intensity detector are arranged oppositely, and the light intensity detector can receive laser emitted by the laser generator and measure light intensity;
the control unit is connected with the flame monitor, the gas pressure sensor, the gas analyzer, the exhaust equipment, the ignition oil gun and the light intensity detector;
and the communication module is arranged in the control unit and can be in communication connection with the remote terminal.
Specifically, the flame monitor monitors combustion conditions in the hearth, when the gas pressure sensor and the gas analyzer detect that the steam pressure is rapidly reduced and the oxygen content is increased, the control unit enables the ignition oil gun to support the flame, so that the combustion stability in the hearth is ensured, the communication module sends out an early warning signal through the remote terminal, a worker pays close attention through the remote terminal, precautionary measures are taken in advance, and meanwhile, the early warning system automatically starts a hearth temperature reduction fault coping program; when the trend of continuous steam pressure reduction and oxygen content rising in the hearth is not changed, the flame monitor confirms the combustion flame in the hearth, the fire extinguishing condition of the hearth occurs, the communication module sends out an early warning signal through the remote terminal to remind workers of taking precautionary measures, the control unit controls the exhaust equipment, stops continuously supplying fuel to the hearth and keeps the ventilation state in the hearth, and prepares for re-igniting the hearth to avoid safety accidents after the hearth extinguishes; laser generator and light intensity detector detect the coking condition at the flue, if light intensity detector can't receive laser or luminous intensity reduces, communication module sends early warning signal, and the staff begins to follow the interior flame condition of furnace, and this early warning system passes through ignition oil gun adjustment flame central point and puts, starts air exhaust equipment, clears away the coking of flue.
In one embodiment, the gas analyzer may be an oxygen content sensor.
Optionally, the gas pressure sensor is arranged below the exhaust device, and the gas pressure sensors are arranged in plurality along the vertical direction of the hearth.
Specifically, the gas pressure sensor is arranged along the vertical direction, the gas pressure in the hearth is monitored in real time, and the combustion condition of the hearth is monitored more accurately by acquiring the change conditions of the gas pressure at different height positions; meanwhile, the change condition of the gas pressure is recorded, and the change condition is synchronously compared with the data detected by the exhaust equipment, so that reference data is provided for better controlling the normal combustion in the hearth.
Optionally, the device further comprises a temperature sensor buried in the outer wall of the flue and used for monitoring the temperature of the outer wall of the flue.
Specifically, the temperature sensor detects the temperature of the flue, when the temperature of the flue changes, the temperature is transmitted to the remote terminal through the communication module, fault early warning is achieved, and the control system starts to confirm whether a fault coping program is normal or not, so that preparation is made for the occurrence of faults.
Optionally, the exhaust device comprises a coal-feeding fan and a smoke-exhausting fan.
Optionally, the coal feeding fan is arranged on one side of the hearth, and the smoke exhaust fan is arranged on the other side of the hearth.
Specifically, the coal feeding fan blows fire coal into the hearth according to the instruction of the control unit, and the coal feeding fan stops feeding when the hearth extinguishes; when the processing unit judges that the hearth meets the re-ignition condition, preparing to continuously blow coal into the hearth; the smoke exhaust fan is used for extracting the flue gas after combustion out of the hearth, so that normal combustion in the hearth is guaranteed, and after the hearth extinguishes, the combustible gas in the hearth is discharged, and the boiler is prevented from blasting.
Optionally, the ignition oil gun is arranged on the side wall of the hearth in a penetrating mode.
Optionally, a sealing ring is arranged on the circumferential outer side of the ignition oil gun, and the inner side and the outer side of the sealing ring are respectively connected with the ignition oil gun and the side wall of the hearth.
Specifically, a sealing ring is arranged between the ignition oil gun and the side wall of the hearth, so that the inner sealing performance of the hearth is guaranteed, when the hearth sends out an early warning signal, the control unit starts the ignition oil gun to support combustion of flame in the hearth, and when the hearth ignites again, the fire coal is ignited to complete restarting work.
Optionally, the control unit further comprises a data processing module, a data storage module and an early warning module, and the early warning module can transmit early warning information to the cloud server through the communication module.
Specifically, in a control unit of the early warning system, collected data are analyzed and processed by a data processing module, the collected data are compared with a preset threshold value in a data storage module, whether an early warning module is started or not is determined according to a comparison result, if an early warning signal needs to be sent, early warning information is transmitted to a cloud server to achieve fault early warning reminding; the data storage module can record furnace parameters of the whole process of the fault, the furnace parameters are compared and recorded, the reason of the fault can be known by a worker through a comparison result, the set threshold value is accurately corrected, and the working efficiency of the early warning system is improved.
Examples
As shown in fig. 1-2, the utility model provides a thermal power station boiler running state early warning system based on thing networking, include:
the flame monitor 1 is arranged in a hearth of a thermal power station boiler;
the gas pressure sensor 2 is arranged in the hearth;
one end of the gas analyzer 3 is arranged at one end, close to the hearth, of a flue of the thermal power station boiler;
the air exhaust equipment is communicated with the hearth;
the ignition oil gun 4 is arranged on one side of the hearth;
the laser generator 5 and the light intensity detector 6 are respectively arranged on two sides of the interior of the flue, the laser generator 5 is arranged opposite to the light intensity detector 6, and the light intensity detector 6 can receive laser emitted by the laser generator 5 and measure light intensity;
the control unit 7 is connected with the flame monitor 1, the gas pressure sensor 2, the gas analyzer 3, the exhaust equipment, the ignition oil gun 4 and the light intensity detector 6;
and the communication module 8 is arranged in the control unit 7 and can be in communication connection with a remote terminal.
In the present embodiment, the gas pressure sensor 2 is disposed below the exhaust device, and the gas pressure sensor 2 is provided in plurality in the vertical direction of the furnace.
In this embodiment, the device further comprises a temperature sensor 9 embedded in the outer wall of the flue for monitoring the temperature of the outer wall of the flue.
In this embodiment, the exhaust equipment includes a coal-feeding fan 10 and a smoke-exhausting fan 11.
In this embodiment, the coal feeding fan 10 is disposed on one side of the furnace, and the smoke exhaust fan 11 is disposed on the other side of the furnace.
In the embodiment, the ignition oil gun 4 is arranged on the side wall of the hearth in a penetrating way.
In the present embodiment, the circumferential outer side of the ignition oil gun 4 is provided with a seal ring 12, and the inner side and the outer side of the seal ring 12 are respectively connected with the ignition oil gun 4 and the hearth side wall.
In this embodiment, the control unit 7 further includes a data processing module 13, a data storage module 14, and an early warning module 15, and the early warning module 15 can transmit the early warning information to the cloud server 16 through the communication module 8.
To sum up, the flame monitor 1 monitors the combustion condition in the hearth, when the gas pressure sensor 2 and the gas analyzer 3 detect the trends of rapid decrease of the steam pressure and increase of the oxygen content, the control unit 7 supports the flame by the ignition oil gun 4, and the communication module 8 sends out early warning information to ensure the combustion stability in the hearth; when the trend of continuous steam pressure reduction and oxygen content rising in the hearth is not changed, the flame monitor 1 confirms the combustion flame in the hearth, the fire extinguishing condition of the hearth occurs, the coal feeding fan 9 stops feeding coal, the smoke exhaust fan 11 starts to exhaust combustible gas in the hearth, and the communication module 8 sends out early warning information; the temperature sensor 9 monitors the temperature of the side wall of the flue, measures the temperature of the gas in the flue, when the temperature exceeds a threshold value set in the data storage module 14, the early warning module 15 sends out early warning information, and a worker takes preventive measures and emergency treatment in advance to avoid the phenomenon that the temperature of flame in the hearth rises to cause flue coking and influence the service life of boiler equipment.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a thermal power station boiler running state early warning system based on thing networking which characterized in that includes:
the flame monitor is arranged in a hearth of a thermal power station boiler;
the gas pressure sensor is arranged in the hearth;
one end of the gas analyzer is arranged at one end, close to the hearth, of the flue of the thermal power station boiler;
the air exhaust equipment is communicated with the hearth;
the ignition oil gun is arranged on one side of the hearth;
the laser generator and the light intensity detector are respectively arranged on two sides in the flue, the laser generator and the light intensity detector are oppositely arranged, and the light intensity detector can receive laser emitted by the laser generator and measure light intensity;
the control unit is connected with the flame monitor, the gas pressure sensor, the gas analyzer, the exhaust equipment, the ignition oil gun and the light intensity detector;
and the communication module is arranged in the control unit and can be in communication connection with a remote terminal.
2. The thermal power station boiler running state early warning system based on the internet of things according to claim 1, wherein the gas pressure sensors are arranged below the exhaust equipment, and the gas pressure sensors are arranged in plurality along the vertical direction of the hearth.
3. The thermal power station boiler running state early warning system based on the internet of things according to claim 1, further comprising a temperature sensor buried in the outer wall of the flue and used for monitoring the temperature of the outer wall of the flue.
4. The thermal power station boiler operation state early warning system based on the internet of things according to claim 1, wherein the exhaust equipment comprises a coal feeding fan and a smoke exhaust fan.
5. The thermal power station boiler running state early warning system based on the Internet of things according to claim 4, wherein the coal feeding fan is arranged on one side of the hearth, and the smoke exhaust fan is arranged on the other side of the hearth.
6. The thermal power station boiler running state early warning system based on the internet of things according to claim 1, wherein the ignition oil gun is arranged on the side wall of the hearth in a penetrating mode.
7. The thermal power station boiler running state early warning system based on the Internet of things according to claim 6, wherein a sealing ring is arranged on the circumferential outer side of the ignition oil gun, and the inner side and the outer side of the sealing ring are respectively connected with the ignition oil gun and the hearth side wall.
8. The thermal power station boiler running state early warning system based on the Internet of things according to claim 1, wherein the control unit further comprises a data processing module, a data storage module and an early warning module, and the early warning module can transmit early warning information to a cloud server through the communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120599824.0U CN214745890U (en) | 2021-03-24 | 2021-03-24 | Thermal power station boiler running state early warning system based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120599824.0U CN214745890U (en) | 2021-03-24 | 2021-03-24 | Thermal power station boiler running state early warning system based on Internet of things |
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| CN214745890U true CN214745890U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120599824.0U Active CN214745890U (en) | 2021-03-24 | 2021-03-24 | Thermal power station boiler running state early warning system based on Internet of things |
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| CN (1) | CN214745890U (en) |
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2021
- 2021-03-24 CN CN202120599824.0U patent/CN214745890U/en active Active
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