CN214664341U - Electric boiler hydrogen concentration detection and replacement system - Google Patents
Electric boiler hydrogen concentration detection and replacement system Download PDFInfo
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- CN214664341U CN214664341U CN202121021726.5U CN202121021726U CN214664341U CN 214664341 U CN214664341 U CN 214664341U CN 202121021726 U CN202121021726 U CN 202121021726U CN 214664341 U CN214664341 U CN 214664341U
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- electric boiler
- hydrogen concentration
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- detection
- convection
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 69
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 69
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000010977 unit operation Methods 0.000 abstract description 3
- 238000005235 decoking Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric boiler hydrogen concentration detection replacement system, include: the device comprises an electric boiler, an air supply replacement mechanism and a controller; the top of the electric boiler is connected with a hydrogen concentration detector and an exhaust valve; the gas supply replacement mechanism is communicated with the bottom of the electric boiler through a connecting pipe; the input end of the controller is electrically connected with the hydrogen concentration detector through a lead, and the output end of the controller is connected with the exhaust valve and the air supply displacement mechanism through leads. The utility model discloses in, detect the hydrogen concentration that the electric boiler produced in service through setting up hydrogen concentration detector in real time to data transmission to the controller that will detect, the controller carries out the analysis, and when the concentration is unqualified, the controller sends alarm signal and automatic control supplies the replacement mechanism with the inside hydrogen replacement of electric boiler away, promotes the security of unit operation.
Description
Technical Field
The utility model relates to an electric boiler hydrogen detects technical field, especially relates to an electric boiler hydrogen concentration detection replacement system.
Background
New energy is vigorously developed, the survival profit space of the traditional thermal power industry is gradually extruded, thermal power units participate in deep peak regulation in a burst mode, and peak regulation subsidies are obtained; the electric boiler has better thermoelectric decoupling characteristic, can reduce the grid-connected electric quantity of the thermal power generating unit to the maximum extent in the heat supply period, realizes the maximum peak regulation benefit, and therefore, the electric boiler is widely applied to northeast regions, particularly heat supply power plants.
If the application publication number is CN112649255A, the application publication date is 2021.04.13, and the name is 'a gas detection system for a power plant boiler', the gas detection system for a power plant boiler comprises a gas collection hole for collecting gas in an inner cavity of the boiler, wherein the gas collection hole penetrates through the side wall of the boiler and is communicated with the inner cavity of the boiler, and a decoking mechanism for removing coking in the gas collection hole is arranged on the outer side of the side wall of the boiler; the decoking mechanism comprises a decoking rod and a driving device for driving the decoking rod to move, the decoking rod is arranged in the gas production hole in a penetrating way, and the decoking rod can extend into or withdraw from the inner cavity of the boiler along the axial direction of the gas production hole; and an auxiliary gas production hole is formed in the side wall of the boiler, one end, extending into the side wall of the boiler, of the auxiliary gas production hole is communicated with one side, close to the inner cavity of the boiler, of the gas production hole, and the other end of the auxiliary gas production hole is communicated with a gas concentration analyzer through a pipeline.
As is known, an electric boiler can generate partial hydrogen in the process of operation, when the hydrogen concentration is between explosion limits, explosion can be generated when open fire occurs, most of the existing gas detection systems of the electric boiler detect the flue gas of the electric boiler, and a system for detecting and processing the hydrogen concentration generated in the process of operation of the electric boiler is lacked, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a hydrogen concentration detection and replacement system for an electric boiler, which can automatically detect the hydrogen concentration generated by the electric boiler in the running process, and when the hydrogen concentration is unqualified, sends out an alarm signal and automatically controls an air supply replacement mechanism to replace the hydrogen in the electric boiler, so that the running safety of a unit is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric boiler hydrogen concentration detection and replacement system comprises: the device comprises an electric boiler, an air supply replacement mechanism and a controller; the top of the electric boiler is connected with a hydrogen concentration detector and an exhaust valve; the gas supply replacement mechanism is communicated with the bottom of the electric boiler through a connecting pipe; the input end of the controller is electrically connected with the hydrogen concentration detector through a lead, and the output end of the controller is connected with the exhaust valve and the air supply displacement mechanism through leads.
As a further description of the above technical solution:
the air supply replacement mechanism comprises an air compressor, an outlet of the air compressor is communicated with the bottom of the electric boiler through a connecting pipe, and an inlet pneumatic valve is arranged in a connecting pipeline of the air compressor and the electric boiler.
As a further description of the above technical solution:
the input ends of the air compressor and the inlet pneumatic valve are electrically connected with the output end of the controller.
As a further description of the above technical solution:
and a pressure stabilizing tank is also arranged in a connecting pipeline of the air compressor and the electric boiler.
As a further description of the above technical solution:
the hydrogen concentration detector comprises a detection tube and a concentration meter; two ends of the detection pipe are connected with convection connecting pipes, and the convection connecting pipes are communicated with the top of the electric boiler; the concentration meter is arranged on the detection tube, and the concentration meter is connected with a detection probe which is arranged in the detection tube.
As a further description of the above technical solution:
the output of concentration appearance and the input electric connection of controller, the concentration appearance is used for detecting hydrogen concentration and transmits the data communication that detects to the controller.
As a further description of the above technical solution:
the top of convection current connecting pipe is fixed with the convection current motor, the last transmission of convection current motor is connected with the pivot, the pivot extends to in the convection current connecting pipe, and the pivot is located the inside section of convection current connecting pipe and is fixed with the circulation flabellum.
As a further description of the above technical solution:
and the detection pipe and the convection connecting pipe are wound with heat tracing bands at the outer sides.
The utility model provides an electricity boiler hydrogen concentration detection replacement system. The method has the following beneficial effects:
this electric boiler hydrogen concentration detects replacement system is through setting up the hydrogen concentration detector, detect the hydrogen concentration that the electric boiler produced in service in real time, and data transmission to the controller with detecting, the controller analyzes, when the concentration is unqualified, the controller sends alarm signal and automatic control supplies the hydrogen replacement of replacement mechanism with the electric boiler inside away, promote the security of unit operation, its hydrogen concentration detects and is connected with electric boiler through detector cooperation convection current connecting pipe, carry out hydrogen replacement and examine time measuring, can rotate through convection current motor cooperation pivot drive circulation flabellum on the convection current connecting pipe and realize taking a breath to the measuring tube convection current, improve the sensitivity and the degree of accuracy that detect, and set up the tracing band outside convection current connecting pipe and measuring tube, prevent freezing winter, convection current connecting pipe and measuring tube protect.
Drawings
Fig. 1 is a schematic view of the overall structure of a hydrogen concentration detection and replacement system for an electric boiler according to the present invention;
FIG. 2 is a schematic structural diagram of a hydrogen concentration detector according to the present invention;
fig. 3 is a control flow block diagram of the hydrogen concentration detection and replacement system of the electric boiler provided by the utility model.
Illustration of the drawings:
1. an air compressor; 2. a surge tank; 3. an inlet pneumatic valve; 4. an electric boiler; 5. a manhole door; 6. a hydrogen concentration detector; 61. a detection tube; 62. a convection connecting pipe; 63. a heat tracing band; 64. a concentration meter; 65. detecting a probe; 66. a convection motor; 67. a rotating shaft; 68. circulating fan blades; 7. an exhaust valve; 8. and a controller.
Detailed Description
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.
Referring to fig. 1-3, an electric boiler hydrogen concentration detection and replacement system includes: an electric boiler 4, an air supply replacement mechanism and a controller 8; the top of the electric boiler 4 is connected with a hydrogen concentration detector 6 and an exhaust valve 7; the electric boiler 4 is also provided with a manhole door 5, and the air supply replacement mechanism is communicated with the bottom of the electric boiler 4 through a connecting pipe; the input end of the controller 8 is electrically connected with the hydrogen concentration detector 6 through a lead, and the output end of the controller 8 is connected with the exhaust valve 7 and the air supply replacement mechanism through leads.
Specifically, the embodiment provides an electricity boiler hydrogen concentration detects replacement system it is used for detecting the hydrogen concentration that electricity boiler 4 produced in service, and when hydrogen concentration is improper, hydrogen replacement to electricity boiler inside, there is hydrogen concentration detector 6 to connect the top at electricity boiler 4, hydrogen rises to electricity boiler 4's top, 6 real-time detection hydrogen concentration of hydrogen concentration detector, and data transmission to controller 8 with detecting, controller 8 analyzes, when hydrogen concentration is unqualified, controller 8 sends alarm signal, and controller 8 and automatic control supply replacement mechanism go out the inside hydrogen replacement of electricity boiler 4, promote the security of unit operation.
The air supply replacement mechanism comprises an air compressor 1, an outlet of the air compressor 1 is communicated with the bottom of the electric boiler 4 through a connecting pipe, and an inlet pneumatic valve 3 is arranged in a connecting pipeline of the air compressor 1 and the electric boiler 4. The input ends of the air compressor 1 and the inlet pneumatic valve 3 are electrically connected with the output end of the controller 8. Specifically, controller 8's model is XT50-M, the inside hydrogen replacement of electric boiler 4 is gone out to the air feed replacement mechanism, concrete process does, controller 8 analyzes, when hydrogen concentration is unqualified, controller 8 control discharge valve 7, entry pneumatic valve 3 is opened, and start air compressor machine 1, air compressor machine 1 injects the air into electric boiler 4 through the cooperation connecting pipe of entry pneumatic valve 3, the discharge valve 7 of hydrogen follow electric boiler 4 top connection in the electric boiler 4 discharges, hydrogen concentration detector 6 synchronous real-time detection electric boiler 4 in this moment, when hydrogen concentration is qualified, controller 8 control discharge valve 7, entry pneumatic valve 3 closes, and close air compressor machine 1, stop carrying out the air feed replacement to electric boiler 4.
Still be provided with surge tank 2 in the connecting line of air compressor machine 1 and electric boiler 4, improve the stability of air compressor machine 1 operation through setting up surge tank 2.
The hydrogen concentration detector 6 includes a detection pipe 61 and a concentration meter 64; both ends of the detection pipe 61 are connected with convection connecting pipes 62, and the convection connecting pipes 62 are communicated with the top of the electric boiler 4; concentration meter 64 installs on the sense tube 61, and be connected with test probe 65 on the concentration meter 64, test probe 65 is built-in the sense tube 61, concentration meter 64's output and controller 8's input electric connection, concentration meter 64 is used for detecting hydrogen concentration and transmits the data communication who detects to controller 8, convection current connecting pipe 62's top is fixed with convection current motor 66, the last transmission connection of convection current motor 66 has pivot 67, pivot 67 extends to in the convection current connecting pipe 62, and pivot 67 is located the inside section of convection current connecting pipe 62 and is fixed with circulation flabellum 68.
Specifically, the type of the concentration meter 64 is ZC60-QCB87C, when the hydrogen concentration detector 6 detects the hydrogen concentration in the electric boiler 4, the hydrogen in the electric boiler 4 automatically floats up and enters the detection pipe 61 through the convection connection pipe 62, the detection probe 65 of the concentration meter 64 detects the hydrogen concentration, when the electric boiler 4 is replaced by supplying gas through the gas replacement mechanism, the controller 8 synchronously controls and starts the convection motor 66, the convection motor 66 drives the circulation fan 68 to rotate through the rotating shaft 67, the circulation fan 68 cooperates with the convection connection pipe 62 to discharge the gas in the detection pipe 61 into the electric boiler 4, and the convection connection pipe 62 sucks the gas in the electric boiler 4 from the other end, so as to realize circulation detection, improve the sensitivity and accuracy of detection, and prevent the gas from flowing or flowing weakly in the detection pipe 61 when the gas replacement mechanism replaces the electric boiler 4, therefore, the detection value is always inconvenient or slow in reaction, and the stability of system operation is influenced.
The detection tube 61 and the convection connection tube 62 are wound with a heat tracing band 63 on the outer side. The detection pipe 61 and the convection connection pipe 62 are prevented from being frozen in winter, and the detection pipe 61 and the convection connection pipe 62 are protected.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an electricity boiler hydrogen concentration detection replacement system which characterized in that includes: an electric boiler (4), an air supply replacement mechanism and a controller (8);
the top of the electric boiler (4) is connected with a hydrogen concentration detector (6) and an exhaust valve (7);
the gas supply replacement mechanism is communicated with the bottom of the electric boiler (4) through a connecting pipe;
the input end of the controller (8) is electrically connected with the hydrogen concentration detector (6) through a lead, and the output end of the controller (8) is connected with the exhaust valve (7) and the air supply displacement mechanism through leads.
2. The electric boiler hydrogen concentration detection and replacement system according to claim 1, characterized in that the air supply replacement mechanism comprises an air compressor (1), an outlet of the air compressor (1) is communicated with the bottom of the electric boiler (4) through a connecting pipe, and an inlet pneumatic valve (3) is arranged in a connecting pipeline of the air compressor (1) and the electric boiler (4).
3. The electric boiler hydrogen concentration detection and replacement system according to claim 2, wherein the input ends of the air compressor (1) and the inlet pneumatic valve (3) are electrically connected with the output end of the controller (8).
4. The system for detecting and replacing the hydrogen concentration of the electric boiler according to claim 2, wherein a pressure stabilizing tank (2) is further arranged in a connecting pipeline between the air compressor (1) and the electric boiler (4).
5. An electric boiler hydrogen concentration detecting and replacing system according to claim 1, characterized in that, the hydrogen concentration detector (6) comprises a detecting tube (61) and a concentration meter (64);
two ends of the detection pipe (61) are connected with convection connecting pipes (62), and the convection connecting pipes (62) are communicated with the top of the electric boiler (4);
the concentration meter (64) is installed on the detection tube (61), a detection probe (65) is connected to the concentration meter (64), and the detection probe (65) is built in the detection tube (61).
6. The electric boiler hydrogen concentration detection and replacement system according to claim 5, wherein the output end of the concentration meter (64) is electrically connected with the input end of the controller (8), and the concentration meter (64) is used for detecting the hydrogen concentration and communicating the detected data to the controller (8).
7. The electric boiler hydrogen concentration detection and replacement system according to claim 5, characterized in that a convection motor (66) is fixed on the top of the convection connecting pipe (62), a rotating shaft (67) is connected to the convection motor (66) in a transmission manner, the rotating shaft (67) extends into the convection connecting pipe (62), and a circulating fan blade (68) is fixed on the rotating shaft (67) in the inner section of the convection connecting pipe (62).
8. The electric boiler hydrogen concentration detecting and replacing system according to claim 5, wherein the detecting pipe (61) and the convection connecting pipe (62) are wound with a heat tracing band (63) at the outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021726.5U CN214664341U (en) | 2021-05-13 | 2021-05-13 | Electric boiler hydrogen concentration detection and replacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021726.5U CN214664341U (en) | 2021-05-13 | 2021-05-13 | Electric boiler hydrogen concentration detection and replacement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214664341U true CN214664341U (en) | 2021-11-09 |
Family
ID=78488146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121021726.5U Expired - Fee Related CN214664341U (en) | 2021-05-13 | 2021-05-13 | Electric boiler hydrogen concentration detection and replacement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214664341U (en) |
-
2021
- 2021-05-13 CN CN202121021726.5U patent/CN214664341U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |