CN218381384U - Hearth pressure monitoring device for thermal power plant - Google Patents
Hearth pressure monitoring device for thermal power plant Download PDFInfo
- Publication number
- CN218381384U CN218381384U CN202222710799.6U CN202222710799U CN218381384U CN 218381384 U CN218381384 U CN 218381384U CN 202222710799 U CN202222710799 U CN 202222710799U CN 218381384 U CN218381384 U CN 218381384U
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- Prior art keywords
- expansion tank
- brush
- alarm
- monitoring device
- electric brush
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- 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- Withdrawn - After Issue
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/04—Measuring pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Audible And Visible Signals (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a firepower factory furnace pressure monitoring device, including mount pad and expansion tank, the outside of mount pad is equipped with the expansion tank, the outside of expansion tank is equipped with the alarm box, install pressure detection pipe on the outer wall of mount pad, and the one end of pressure detection pipe extends to the inside of expansion tank, the inside of expansion tank is equipped with elastic diaphragm, and elastic diaphragm divide into two upper and lower cavities with the expansion tank, the manometer is installed on the expansion tank top of elastic diaphragm top, and the inside support that is equipped with of expansion tank of manometer below, the guide pin bushing is installed to the bottom of support, the outside of guide pin bushing is equipped with the brush carrier, install the negative pole brush on the outer wall of brush carrier. The utility model discloses not only realized that pressure monitoring device is to the multistage monitoring early warning of thermal power factory furnace, made things convenient for the timely discovery of operation personnel to be alert feelings, improved pressure monitoring device's alarm display effect moreover.
Description
Technical Field
The utility model relates to a pressure monitoring technical field specifically is thermal power factory furnace pressure monitoring device.
Background
The boiler is one of the main equipment of the thermal power plant, the fuel burns in the furnace, carries on the energy conversion, if the wind, the fuel and the system parameter are not matched properly, may cause the combustion instability or extinguishes the fire, after the furnace extinguishes, if the misoperation happens, may explode and cause the serious equipment damage accident, therefore, install the furnace safety monitoring system, is the important measure to prevent the boiler accident caused by the inflammable matter accumulation and the misoperation, the protection of the boiler equipment has the great difference depending on its capacity, parameter, operation mode and the thermal system, generally has the main steam pressure, the steam pocket water level, the furnace safety, the reheating temperature is high, the load is reduced, the emergency shut-down, the feed water pump chain, the furnace, the machine, the electric chain protection measures, etc., the pressure monitoring device has the important application in the thermal power plant furnace pressure monitoring.
For example, the patent of the diaphragm type high-temperature hearth pressure monitoring device disclosed in the publication No. CN109100082A realizes that the pressure monitoring device adopts the elastic diaphragm to separate the pressure gauge from the high-temperature gas in the hearth, so that the pressure gauge is not damaged; in addition, because the deformation of the elastic diaphragm is utilized to conduct the hearth air pressure, the pressure gauge can monitor the hearth air pressure.
But do not solve present this kind of pressure monitoring device and generally be not convenient for when using to the multistage monitoring early warning of thermal power factory furnace, can not make things convenient for the timely discovery of operation personnel to be alert, great influence the suggestion effect of reporting to the police when pressure monitoring device uses, the operation that gives people uses and has brought very big inconvenience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide thermal power factory furnace pressure monitoring device to it is not convenient for the problem to the multistage monitoring early warning of thermal power factory furnace to provide pressure monitoring device in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a firepower factory furnace pressure monitoring device, includes mount pad (1) and expansion tank (4), expansion tank (4) are equipped with in mount pad (1), expansion tank (4) are equipped with alarm box (16), pressure detection pipe (2) are equipped with on mount pad (1), just pressure detection pipe (2) extend to in expansion tank (4), establish elastic diaphragm (3) in expansion tank (4), just elastic diaphragm (3) will expansion tank (4) divide into two cavities, manometer (8) are equipped with in expansion tank (4) of elastic diaphragm (3) top, support (7) are equipped with in expansion tank (4) of manometer (8) below, support (7) are equipped with guide pin bushing (6), brush holder (12) is equipped with outside guide pin bushing (6), brush holder (12) are equipped with negative pole brush (13), just negative pole brush (13) extend to in guide pin bushing (6), brush holder (12) are equipped with first brush (11), and first brush (11) extend to in brush pin bushing (6), second brush holder (10) is equipped with in second brush holder (10) second brush (10) and guide pin bushing (9), and the third electric brush (9) extends into the guide sleeve (6), a guide post (5) is arranged in the guide sleeve (6), and the bottom end of the guide post (5) is connected with the elastic membrane (3).
According to the hearth pressure monitoring device for the thermal power plant, a rotary table (21) is mounted on the alarm box (16), an alarm horn (24) is mounted on the rotary table (21), and a red and blue alarm lamp (23) is mounted on the rotary table (21) beside the alarm horn (24); alarm box (16) are equipped with data conversion module (14), data conversion module (14) are connected with negative pole brush (13), first brush (11), second brush (10) and third brush (9) electricity, control panel (15) are equipped with on alarm box (16), control panel (15) are connected with rotary driving piece (20), red and blue alarm lamp (23), warning loudspeaker (24) electricity.
According to the hearth pressure monitoring device of the thermal power plant, a driven gear (17) is arranged in the alarm box (16), a shaft of the driven gear (17) is connected with a rotating frame (22), and the rotating frame (22) is connected with a rotating table (21); a rotary driving piece (20) is arranged in an alarm box (16) on the side face of the driven gear (17), the rotary driving piece (20) is connected with a driving gear (19), the driving gear (19) is meshed with a transmission gear (18), and an intermediate wheel coaxial with the transmission gear is meshed with the driven gear (17).
Advantageous effects
The pressure monitoring device not only realizes the multi-stage monitoring and early warning of the pressure monitoring device on the hearth of the thermal power plant, facilitates the timely finding of the warning condition of the operating personnel, but also improves the warning display effect of the pressure monitoring device;
(1) When the pressure continues to increase, the air pressure pushes the elastic diaphragm to move upwards, the elastic diaphragm drives the guide post to move upwards, when the guide post is in contact with the first electric brush, the negative electrode brush and the first electric brush form a loop and feed back to the data conversion module, the data conversion module feeds back to the control panel for pressure early warning, when the pressure of the hearth of the thermal power plant continues to increase, the guide post is in contact with the second electric brush for pressure middle-stage early warning, the guide post is in contact with the third electric brush for pressure high-stage early warning, the pressure relief operation of the hearth of the thermal power plant is started at the moment, the multistage monitoring and early warning of the hearth of the thermal power plant by the pressure monitoring device are realized, and the timely reaction pressure condition is facilitated;
(2) The red and blue alarm lamps give out flash alarm through the control panel, the control panel gives back to the alarm horn, and the alarm horn gives out sound alarm, so that the convenient acousto-optic alarm of the pressure monitoring device is realized, and the alarm display effect of the pressure monitoring device is improved;
(3) Open the rotary driving spare through control panel, it is rotatory by rotary driving spare drive driving gear, rotatory by swivel mount drive revolving stage, drive red blue alarm lamp and report to the police loudspeaker by the revolving stage and rotate, realized pressure monitoring device rotation type acousto-optic warning, made things convenient for the timely discovery of operation personnel alert feelings.
Firstly, a hole is opened in a hearth of a thermal power plant, a mounting seat 1 is aligned with the hole and connected with the hearth of the thermal power plant, high-pressure gas in the hearth of the thermal power plant enters a pressure detection pipe 2 and is conveyed to the inside of an expansion tank 4 through the pressure detection pipe 2, when the pressure continues to increase, the air pressure pushes an elastic diaphragm 3 to move upwards, the elastic diaphragm 3 drives a guide post 5 to move upwards, the guide post 5 slides in a guide sleeve 6, when the guide post 5 is contacted with a first electric brush 11, a negative brush 13 and the first electric brush 11 form a loop and feed back to a data conversion module 14, the data conversion module 14 feeds back to a control panel 15 for pressure early warning, when the pressure continues to increase, the elastic diaphragm 3 drives the guide post 5 to move upwards, the guide post 5 is contacted with a second electric brush 10, and at the moment, the second electric brush 10 and the negative brush 13 form a loop, when the pressure of the hearth of the thermal power plant continues to increase, the guide post 5 contacts with the third electric brush 9, at the moment, the third electric brush 9 and the negative electrode brush 13 form a loop to perform high-level pressure early warning, at the moment, the pressure relief operation of the hearth of the thermal power plant is started, then the received data is fed back to the control panel 15 through the data conversion module 14, the data is comprehensively processed by the control panel 15, the data is fed back to the red and blue alarm lamp 23 through the control panel 15, the red and blue alarm lamp 23 flashes and is fed back to the alarm horn 24 through the control panel 15, the alarm horn 24 performs sound alarm, the rotary driving piece 20 is opened through the control panel 15, the driving gear 19 is driven to rotate by the rotary driving gear 20, the driving gear 18 rotates to drive the driven gear 17 to rotate, the rotary frame 22 is driven to rotate by the driven gear 17, the rotating platform 21 is driven by the rotating frame 22 to rotate, and the red and blue alarm lamp 23 and the alarm horn 24 are driven by the rotating platform 21 to rotate, so that the use work of the pressure monitoring device is completed.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the front cross-section structure of the alarm box of the present invention;
FIG. 3 is a side view, sectional and schematic view of the alarm box of the present invention;
fig. 4 is a schematic view of the front view enlarged structure of the expansion tank of the present invention.
In the figure: 1. a mounting seat; 2. a pressure detection tube; 3. an elastic diaphragm; 4. an expansion tank; 5. a guide post; 6. a guide sleeve; 7. a support; 8. a pressure gauge; 9. a third electric brush; 10. a second brush; 11. a first brush; 12. a brush holder; 13. a negative electrode brush; 14. a data conversion module; 15. a control panel; 16. an alarm box; 17. a driven gear; 18. a transmission gear; 19. a driving gear; 20. a rotary drive (motor); 21. a rotating table; 22. a rotating frame; 23. a red and blue alarm lamp; 24. and an alarm horn.
Detailed Description
Referring to fig. 1-4, the present invention provides an embodiment: the hearth pressure monitoring device for the thermal power plant comprises a mounting seat 1 and an expansion tank 4, wherein the expansion tank 4 is arranged outside the mounting seat 1, an alarm box 16 is arranged outside the expansion tank 4, a pressure detection tube 2 is mounted on the outer wall of the mounting seat 1, one end of the pressure detection tube 2 extends into the expansion tank 4, an elastic diaphragm 3 is arranged inside the expansion tank 4, the expansion tank 4 is divided into an upper chamber and a lower chamber by the elastic diaphragm 3, a pressure gauge 8 is mounted at the top end of the expansion tank 4 above the elastic diaphragm 3, a support 7 is arranged inside the expansion tank 4 below the pressure gauge 8, a guide sleeve 6 is mounted at the bottom end of the support 7, the guide sleeve 6 is made of an insulating material, an electric brush holder 12 is arranged outside the guide sleeve 6, a negative brush 13 is mounted on the outer wall of the electric brush holder 12, one end of the negative brush 13 extends into the guide sleeve 6, a first brush 11 is mounted on the outer wall of the electric brush holder 12 above the negative brush 13, one end of the first brush 11 extends into the guide sleeve 6, a second brush 10 is mounted on the outer wall of the electric brush holder 12, and a guide sleeve 5 is made of the guide sleeve 5, and the guide sleeve 5 is made of the elastic diaphragm 3;
when the pressure of the hearth of the thermal power plant is continuously increased, the elastic diaphragm 3 drives the guide pillar 5 to move upwards, the guide pillar 5 slides in the guide sleeve 6, when the guide pillar 5 is in contact with the first electric brush 11, the negative brush 13 and the first electric brush 11 form a loop and feed back to the data conversion module 14, the data conversion module 14 feeds back to the control panel 15 for pressure early warning, when the pressure of the hearth of the thermal power plant is continuously increased, the elastic diaphragm 3 drives the guide pillar 5 to move upwards, the guide pillar 5 is in contact with the second electric brush 10, the second electric brush 10 and the negative brush 13 form a loop to perform pressure middle-level early warning, when the pressure of the hearth of the thermal power plant is continuously increased, the guide pillar 5 is in contact with the third electric brush 9, the third electric brush 9 and the negative brush 13 form a loop to perform pressure high-level early warning, pressure relief is performed, the pressure early warning is performed on the hearth, and the pressure monitoring of the hearth of the thermal power plant is convenient, and the pressure early warning of the hearth of the thermal power plant is monitored;
a rotating platform 21 is installed at the top end of the alarm box 16, an alarm horn 24 is installed at the top end of the rotating platform 21, a red and blue alarm lamp 23 is installed at the top end of the rotating platform 21 on one side of the alarm horn 24, a control panel 15 is installed on the outer wall of the alarm box 16 below the data conversion module 14, a single chip processor is contained in the control panel 15, and the output end of the control panel 15 is electrically connected with the input ends of the rotary driving piece 20, the red and blue alarm lamp 23 and the alarm horn 24;
when the pressure monitoring device is used, the received data is fed back to the control panel 15 through the data conversion module 14, the data is comprehensively processed by the control panel 15 and fed back to the red and blue alarm lamp 23 through the control panel 15, the red and blue alarm lamp 23 gives a flash alarm and is fed back to the alarm horn 24 through the control panel 15, and the alarm horn 24 gives an audible alarm, so that the convenient acousto-optic alarm of the pressure monitoring device is realized, and the alarm display effect of the pressure monitoring device is improved;
a driven gear 17 is arranged inside the alarm box 16, a rotating frame 22 is arranged at the top end of the driven gear 17, the top end of the rotating frame 22 is connected with a rotating table 21, a rotary driving piece 20 is arranged inside the alarm box 16 on one side of the driven gear 17, a driving gear 19 is arranged at the top end of the rotary driving piece 20, a transmission gear 18 is arranged inside the alarm box 16 on one side of the driving gear 19, a data conversion module 14 is arranged on the outer wall of the alarm box 16, and the data conversion module 14 is connected with a negative electrode brush 13, a first electric brush 11, a second electric brush 10 and a third electric brush 9 through conducting wires;
open rotary driving piece 20 through control panel 15 during the use, it is rotatory by rotary driving piece 20 drive driving gear 19, it is rotatory by driving gear 19 drive gear 18, drive gear 18 rotary drive driven gear 17 rotates, it is rotatory by driven gear 17 drive swivel mount 22, it is rotatory by swivel mount 22 drive revolving stage 21, it rotates with warning loudspeaker 24 to drive red blue alarm lamp 23 by revolving stage 21, pressure monitoring device rotation type acousto-optic warning has been realized, the timely discovery warning situation of operation personnel has been made things convenient for.
Claims (3)
1. The utility model provides a thermal power factory furnace pressure monitoring device, includes mount pad (1) and expansion tank (4), its characterized in that: the device is characterized in that an expansion tank (4) is arranged on the mounting seat (1), an alarm box (16) is arranged on the expansion tank (4), a pressure detection tube (2) is arranged on the mounting seat (1), the pressure detection tube (2) extends into the expansion tank (4), an elastic diaphragm (3) is arranged in the expansion tank (4), the elastic diaphragm (3) divides the expansion tank (4) into two chambers, a pressure gauge (8) is arranged on the expansion tank (4) above the elastic diaphragm (3), a support (7) is arranged in the expansion tank (4) below the pressure gauge (8), a guide sleeve (6) is arranged on the support (7), an electric brush holder (12) is arranged outside the guide sleeve (6), a negative brush (13) is arranged on the electric brush holder (12), the negative brush (13) extends into the guide sleeve (6), a first electric brush (11) is arranged on the electric brush holder (12), the first electric brush (11) extends into the guide sleeve (6), a second electric brush (10) is arranged on the first electric brush (11), the second electric brush (10) extends into the guide sleeve (9), and a third electric brush holder (9) extends into the guide sleeve (6), a guide post (5) is arranged in the guide sleeve (6), and the bottom end of the guide post (5) is connected with the elastic diaphragm (3).
2. The thermal power plant furnace pressure monitoring device of claim 1, characterized in that: a rotating table (21) is arranged on the alarm box (16), an alarm horn (24) is arranged on the rotating table (21), and a red and blue alarm lamp (23) is arranged on the rotating table (21) beside the alarm horn (24); alarm box (16) are equipped with data conversion module (14), data conversion module (14) are connected with negative pole brush (13), first brush (11), second brush (10) and third brush (9) electricity, control panel (15) are equipped with on alarm box (16), control panel (15) are connected with rotary driving piece (20), red and blue alarm lamp (23), warning loudspeaker (24) electricity.
3. The thermal power plant furnace pressure monitoring device of claim 2, characterized in that: a driven gear (17) is arranged in the alarm box (16), a shaft of the driven gear (17) is connected with a rotating frame (22), and the rotating frame (22) is connected with a rotating table (21); a rotary driving piece (20) is arranged in an alarm box (16) on the side face of the driven gear (17), the rotary driving piece (20) is connected with a driving gear (19), the driving gear (19) is meshed with a transmission gear (18), and an intermediate wheel coaxial with the transmission gear is meshed with the driven gear (17).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222710799.6U CN218381384U (en) | 2022-10-14 | 2022-10-14 | Hearth pressure monitoring device for thermal power plant |
| DE202023105939.2U DE202023105939U1 (en) | 2022-10-14 | 2023-10-16 | Combustion chamber pressure monitoring device for a thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222710799.6U CN218381384U (en) | 2022-10-14 | 2022-10-14 | Hearth pressure monitoring device for thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381384U true CN218381384U (en) | 2023-01-24 |
Family
ID=84930850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222710799.6U Withdrawn - After Issue CN218381384U (en) | 2022-10-14 | 2022-10-14 | Hearth pressure monitoring device for thermal power plant |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218381384U (en) |
| DE (1) | DE202023105939U1 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100082A (en) | 2018-09-20 | 2018-12-28 | 张家港市鑫州焊割机械有限公司 | Diaphragm type high-temperature burner hearth pressure monitoring device |
-
2022
- 2022-10-14 CN CN202222710799.6U patent/CN218381384U/en not_active Withdrawn - After Issue
-
2023
- 2023-10-16 DE DE202023105939.2U patent/DE202023105939U1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE202023105939U1 (en) | 2023-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230124 Effective date of abandoning: 20240109 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20230124 Effective date of abandoning: 20240109 |