CN215066098U - Steam detection device of flue gas heat exchanger - Google Patents
Steam detection device of flue gas heat exchanger Download PDFInfo
- Publication number
- CN215066098U CN215066098U CN202120727591.8U CN202120727591U CN215066098U CN 215066098 U CN215066098 U CN 215066098U CN 202120727591 U CN202120727591 U CN 202120727591U CN 215066098 U CN215066098 U CN 215066098U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- gas heat
- heat exchanger
- receiving
- detection 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.)
- Expired - Fee Related
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a gas heater's steam detection device, include: the transmitting end is connected with a laser transmitter; the receiving end is connected with the signal processing device; the transmitting device and the receiving device are respectively arranged at two ends of the flue gas heat exchanger pipeline, the transmitting device and the receiving device are arranged in an aligned mode, the transmitting device is used for transmitting laser signals, and the receiving device is used for receiving the laser signals. The detection device is arranged on a pipeline of the flue gas heat exchanger and used for measuring the steam content in the pipeline. The transmitting end of the detection device is provided with a protruding structure, wherein the transmitting end is aligned with the receiving end, the transmitting end can be prevented from being influenced by smoke, and the signal transmitting and receiving accuracy of the detection device can be realized.
Description
Technical Field
The utility model relates to a gaseous detection area, in particular to gas heater's steam detection device.
Background
At present, the tubular GGH flue gas heat exchanger can be widely applied to coal-fired power plants. The flue gas cooler in the tubular GGH flue gas heat exchanger is generally arranged between an air preheater and electric dust removal, because factors such as corrosion, abrasion, design and manufacture, the problem of flue gas cooler heat exchange tube leakage begins to emerge, because the flue gas composition therein is more complicated, the concentration of various components in the flue gas, especially the concentration of water vapor, can help us to better know the combustion condition in the boiler furnace, also can judge whether the heat exchange tube leaks and its leakage degree, take corresponding measures in advance according to the result of judging and can guarantee the normal stable operation of the unit, avoid unnecessary loss.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of them aim at provides a gas heater's steam detection device, detection device sets up on gas heater's pipeline for measure the steam content in the pipeline.
Another object of the utility model is to provide a gas heater's steam detection device, detection device's transmitting terminal is equipped with outstanding structure, and wherein transmitting terminal and receiving terminal align, can avoid the transmitting terminal to receive the flue gas influence, can realize detection device signalling and receiving accuracy.
In order to realize at least one above-mentioned utility model purpose, the utility model discloses further provide a gas heater's steam detection device, include:
the transmitting end is connected with a laser transmitter;
the receiving end is connected with the signal processing device;
the transmitting device and the receiving device are respectively arranged at two ends of the flue gas heat exchanger pipeline, the transmitting device and the receiving device are arranged in an aligned mode, the transmitting device is used for transmitting laser signals, and the receiving device is used for receiving the laser signals.
According to the utility model discloses one of them preferred embodiment, emitter has an emission mouth on the emitter, the emission mouth sets up in the flue, emitter is fixed in the wallboard of gas heater pipeline, the emission mouth is located on a medial surface of the wallboard of gas heater pipeline.
According to the utility model discloses another preferred embodiment, receiving arrangement is last to have a receiving opening, the flue is located to the receiving opening, receiving arrangement is fixed in flue gas heat transfer pipeline's wallboard, the receiving opening is located require flue gas heat transfer pipeline's wallboard with on another medial surface that the transmission mouth is relative.
According to the utility model discloses another preferred embodiment, be equipped with first mounting flange on the emitter, be equipped with the screw hole on the first mounting flange, be used for with the emitter is fixed in on the wallboard of flue gas heat transfer pipeline.
According to the utility model discloses another preferred embodiment, be equipped with second mounting flange on the receiving arrangement, be equipped with the screw hole on the second mounting flange, be used for with the receiving arrangement is fixed in on the wallboard of flue gas heat transfer pipeline.
According to the utility model discloses another preferred embodiment, be equipped with first extension pipeline on the emitter, the one end intercommunication of first extension pipeline emitter's first mounting flange, infrared laser process first extension pipeline transmission.
According to another preferred embodiment of the present invention, a first extension duct extends inwardly of the flue, wherein said first extension duct extends from said flue perpendicularly to said first mounting flange inwardly of the flue to a distance of 0.5-1.5 m.
According to the utility model discloses another preferred embodiment, be equipped with the second extension pipeline on the receiving arrangement, the second extension pipeline intercommunication second mounting flange, the second extension pipeline perpendicular to the second mounting flange extends outward to the flue.
According to the utility model discloses another preferred embodiment, emitter and receiver have one respectively and sweep and cool off the trachea, have a mirror surface in emitter and the receiver respectively, sweep and cool off trachea intercommunication the mirror surface for sweep the dust of mirror surface.
According to another preferred embodiment of the present invention, the first extension pipe and the first fixing flange are fixedly connected.
Drawings
Fig. 1 shows the utility model relates to a flue gas heat exchanger's steam detection device sketch map.
Wherein, the launching device-10, the first fixed flange-11, the first extension pipeline-12, the receiving device-20, the second fixed flange-21, the second extension pipeline-22, the blowing and cooling air pipe-30,
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Please refer to fig. 1 for a schematic diagram of a steam detection device of a flue gas heat exchanger of the present invention, the detection device includes: a transmitting device 10, a receiving device 20; the transmitting device 10 is provided with a transmitting opening, the transmitting opening is arranged on a flue wall plate, the tail end of the transmitting device 10 is connected with a laser transmitter and used for generating transmitting laser, or the tail end of the transmitting device 10 is connected with an optical fiber, the optical fiber is connected with the laser transmitter, and a laser signal is transmitted to the receiving device 20 through the transmitting opening. The receiving device 20 has a receiving opening, the receiving opening is disposed on the flue wall plate, and the transmitting opening and the receiving opening are disposed opposite to each other, so that an aligned optical path is formed between the transmitting opening and the receiving opening. The end of the receiving device 20 is connected to a signal processing device, and the signal processing device may be provided with a communication module, and is configured to convert an optical signal into an electrical signal and upload related data of the electrical signal through the communication device.
Specifically, the transmitting device 10 includes a first fixing flange 11, wherein the first fixing flange 11 has a plurality of threaded holes, the first fixing flange 11 is used to fix the transmitting device 10 to a wall plate of the flue, the receiving device 20 is further provided with a first extension pipe 12, the first extension pipe 12 is communicated with the first fixing flange 11, the first extension pipe 12 intercepts a laser transmitter or an optical fiber, and transmits a laser signal to the receiving device 20 through the first extension pipe 12, specifically, the first extension pipe 12 is disposed perpendicular to the first fixing flange 11, and the first extension pipe 12 extends inward to 0.5-1.5 m, preferably 1 m, along the flue wall plate.
The emission device 10 is further provided with a blowing and cooling air pipe 30, the emission device 10 is provided with a mirror surface, and an opening of the blowing and cooling air pipe 30 faces the mirror surface, so that a blowing air path can be formed on the mirror surface, and dust can be effectively prevented from being stained on the mirror surface.
The receiving device 20 is provided with a second fixing flange 21, the second fixing flange 21 is provided with a plurality of threaded holes, the second fixing flange 21 is used for fixing the receiving device 20 on the flue wall plate, a second extension pipe 22 is arranged in a receiving hole of the receiving device 20, the second extension pipe 22 is communicated with the second fixing flange 21, and the second extension pipe 22 is perpendicular to the second fixing flange 21 and extends outwards from the flue. A lens is arranged in the receiving device 20, a purging and cooling air pipe 30 is arranged on the inner wall of the second extension pipeline 22 of the receiving device 20, and a purging air path is formed on the lens of the receiving device 20 and used for purging and cooling air above the lens, so that dust can be effectively prevented from being contaminated by the lens.
The launching device 10 is also provided with lenses and purging and cooling air pipes 30, the two purging and cooling air pipes 30 can be connected with an external air pump, and purging and cooling pipelines are respectively formed on different lenses under the action of the air pump.
It is understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention, the objects of which have been fully and effectively achieved, the functions and structural principles of which have been shown and described in the embodiments, and that the embodiments of the present invention may be modified or adapted without departing from said principles.
Claims (10)
1. The utility model provides a steam detection device of gas heater, its characterized in that includes:
the transmitting end is connected with a laser transmitter;
the receiving end is connected with the signal processing device;
the transmitting device and the receiving device are respectively arranged at two ends of the flue gas heat exchanger pipeline, the transmitting device and the receiving device are arranged in an aligned mode, the transmitting device is used for transmitting laser signals, and the receiving device is used for receiving the laser signals.
2. The steam detection device of the flue gas heat exchanger according to claim 1, wherein the emission device is provided with an emission port, the emission port is arranged in the flue, the emission device is fixed on a wall plate of the flue gas heat exchanger pipeline, and the emission port is arranged on one inner side surface of the wall plate of the flue gas heat exchanger pipeline.
3. The steam detection device of a flue gas heat exchanger according to claim 2, wherein the receiving device has a receiving opening, the receiving opening is disposed in the flue, the receiving device is fixed to a wall plate of the flue gas heat exchange pipe, and the receiving opening is disposed on another inner side surface of the wall plate of the flue gas heat exchange pipe opposite to the transmitting opening.
4. The steam detection device for the flue gas heat exchanger according to claim 1, wherein a first fixing flange is provided on the emitter, and a threaded hole is provided on the first fixing flange for fixing the emitter to a wall plate of the flue gas heat exchange pipe.
5. The steam detection device for the flue gas heat exchanger as recited in claim 4, wherein a second fixing flange is provided on the receiving device, and a threaded hole is provided on the second fixing flange for fixing the receiving device on the wall plate of the flue gas heat exchange pipeline.
6. The steam detection device of the flue gas heat exchanger according to claim 4, wherein a first extension pipe is arranged on the emission device, one end of the first extension pipe is communicated with a first fixing flange of the emission device, and the infrared laser is emitted through the first extension pipe.
7. The steam detection device for the flue gas heat exchanger as recited in claim 6, wherein a first extension pipe extends inwards the flue, wherein the first extension pipe extends inwards the flue from the flue to 0.5-1.5 m perpendicular to the first fixing flange.
8. The steam detection device for the flue gas heat exchanger according to claim 5, wherein a second extension pipe is arranged on the receiving device, the second extension pipe is communicated with the second fixing flange, and the second extension pipe extends outwards from the flue perpendicular to the second fixing flange.
9. The steam detection device of the flue gas heat exchanger according to claim 1, wherein the emitting device and the receiving device are respectively provided with a purging and cooling air pipe, the emitting device and the receiving device are respectively provided with a mirror surface, and the purging and cooling air pipe is communicated with the mirror surface and used for purging dust on the mirror surface.
10. The steam detection device of the flue gas heat exchanger as recited in claim 1, wherein the first extension pipe and the first fixing flange are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120727591.8U CN215066098U (en) | 2021-04-09 | 2021-04-09 | Steam detection device of flue gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120727591.8U CN215066098U (en) | 2021-04-09 | 2021-04-09 | Steam detection device of flue gas heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066098U true CN215066098U (en) | 2021-12-07 |
Family
ID=79148617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120727591.8U Expired - Fee Related CN215066098U (en) | 2021-04-09 | 2021-04-09 | Steam detection device of flue gas heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562685A (en) * | 2022-03-16 | 2022-05-31 | 浙江浙能绍兴滨海热电有限责任公司 | TDLAS extraction type tubular smoke cooler leakage monitoring system and method |
-
2021
- 2021-04-09 CN CN202120727591.8U patent/CN215066098U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562685A (en) * | 2022-03-16 | 2022-05-31 | 浙江浙能绍兴滨海热电有限责任公司 | TDLAS extraction type tubular smoke cooler leakage monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |