CN209558398U - A kind of thermal power plant's air preheater visualization status monitoring device - Google Patents
A kind of thermal power plant's air preheater visualization status monitoring device Download PDFInfo
- Publication number
- CN209558398U CN209558398U CN201821814181.1U CN201821814181U CN209558398U CN 209558398 U CN209558398 U CN 209558398U CN 201821814181 U CN201821814181 U CN 201821814181U CN 209558398 U CN209558398 U CN 209558398U
- Authority
- CN
- China
- Prior art keywords
- air preheater
- detection pipes
- power plant
- thermal power
- endoscope head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012800 visualization Methods 0.000 title claims abstract description 24
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 238000012544 monitoring process Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- -1 polytetrafluoroethylene ethylene Polymers 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000000428 dust Substances 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 238000013517 stratification Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 239000004071 soot Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000005121 Sorbus torminalis Nutrition 0.000 description 1
- 244000152100 Sorbus torminalis Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a kind of thermal power plant's air preheater visualization status monitoring devices, the device includes image capture component and industrial personal computer, image capture component includes support tube and detection pipes, detection pipes are for being inserted into the monitoring holes being arranged on air preheater, the end of detection pipes is equipped with heat-resisting eyeglass, detection pipes and heat-resisting eyeglass form sealing structure, the inside of detection pipes is equipped with industrial endoscope head, the inner wall of detection pipes is equipped with thermal insulation layer, the outer wall of detection pipes is equipped with infrared temperature probe, the image of industrial endoscope head monitoring and the temperature data of infrared temperature probe monitoring reach the industrial personal computer by detecting conducting wire, industrial personal computer is according to the chocking-up degree inside the industrial endoscope head image monitored and the temperature data detection air preheater of infrared temperature probe monitoring.The utility model is able to solve the prior art can not effectively recognize the problem of whether air preheater has accumulated tamper.
Description
Technical field
The utility model relates to power plant boiler flue gas application technology fields, more particularly to a kind of thermal power plant's air preheat
Device visualization status monitoring device.
Background technique
Rotary regenerative air preheater is widely used in power plant boiler at present, and disadvantage is exactly to be easy to produce fouling phenomenon, institute
Become daily the having of guarantee air preheater normal work to optimize soot blowing to air preheater by optimized sootblowing system
Effect measure.
Optimized sootblowing system mainly carries out the switching of working condition according to the practical dust stratification degree of air preheater, empty at present
The practical dust stratification degree of air preheater is mainly to import and export the differential pressure of operation flue gas according to air preheater to judge, works as differential pressure value
When reaching certain setting value, it just will start air preheater optimized sootblowing system, soot blower put into operation.
With the increasingly exacerbation of environmental issue, China requires to be increasingly stringenter to the pollutant emission of coal-fired power plant, state
Interior most of power plant have installed selective catalytic reduction (SCR) denitrification apparatus additional and have increased ammonia spraying amount to further decrease NOx's
Discharge.But in SCR denitration device during catalytic reduction of NOx generated by-product ammonium hydrogen sulfate (ABS) have viscosity and
Corrosivity, it is attached together with the flying dust in flue gas to be sticked on the pre- device heat exchange element of air, aggravate the air preheater of upstream device
Stifled ash, dust stratification problem, and traditional optimized sootblowing mode is that the differential pressure of operation flue gas is imported and exported according to air preheater at present
It carries out, can not effectively recognize whether air preheater has accumulated tamper, cause to be difficult to remove tamper in time, affect machine
Group safe and stable operation, can even force unit outage when serious.
Utility model content
The purpose of this utility model is that a kind of thermal power plant's air preheater visualization status monitoring device is proposed, to solve
The prior art can not effectively recognize the problem of whether air preheater has accumulated tamper.
A kind of thermal power plant's air preheater visualization status monitoring device, including image capture component and industrial personal computer, it is described
Image capture component includes support tube and the detection pipes that connect with the support tube, and the detection pipes are for being inserted into air preheater
The monitoring holes of upper setting, the end of the detection pipes are equipped with heat-resisting eyeglass, and the detection pipes and the heat-resisting eyeglass composition seal
Structure, the inside of the detection pipes are equipped with industrial endoscope head, and the inner wall of the detection pipes is equipped with thermal insulation layer, the detection pipes
Outer wall is equipped with infrared temperature probe, the industrial endoscope head and the infrared temperature probe and passes through detection conducting wire and institute
State industrial personal computer electric connection, the image of the industrial endoscope head monitoring and the temperature number of infrared temperature probe monitoring
Reach the industrial personal computer according to by the detection conducting wire, image that the industrial personal computer is monitored according to the industrial endoscope head and
The temperature data of the infrared temperature probe monitoring detects the chocking-up degree inside the air preheater.
According to the utility model proposes thermal power plant's air preheater visualization status monitoring device, be inserted by detection pipes
Industrial endoscope head, the image of industrial endoscope head monitoring is arranged in the monitoring holes being arranged on air preheater, the inside of detection pipes
Industrial personal computer is reached by detecting conducting wire, the image and infrared temperature probe monitored by industrial personal computer according to industrial endoscope head is supervised
Chocking-up degree inside the temperature data detection air preheater of survey, realizes to the online of air preheater inside stopping state
Visualizing monitor can effectively recognize air preheater and whether accumulate tamper, and can to block part, chocking-up degree into
The accurate identification of row, which becomes visual realtime graphic and information for sightless boiler internal state, convenient for operation people
Member understands air preheater in real time and blocks situation of change, according to the start and stop of stopping state real-time instruction soot blower system, to guarantee
Air preheater being capable of safe and stable operation.In addition, the device is inserted into the monitoring holes being arranged on air preheater by detection pipes,
It will not influence air preheater normal operation, thermal insulation layer be equipped with by the inner wall in detection pipes, be equipped in the end of detection pipes resistance to
Heat mirror piece can guarantee image capture component normal photographing when air preheater is run.
In addition, can also be had according to thermal power plant's air preheater visualization status monitoring device provided by the utility model
There is following additional technical characteristic:
Further, the industrial endoscope head includes colored rotation the focusing full shot, mirror that diameter of lens is 47mm
The colored wide-angle that the colored wide-angle direct-view camera lens and diameter of lens that head diameter is 24mm are 18mm looks at camera lens straight.
Further, tensioner is equipped between the support tube and the detection pipes.
Further, the inside of the detection pipes is equipped with connecting rod, and one end of the connecting rod is fixed with the detection pipes
Connection, the other end of the connecting rod are detachably connected with the industrial endoscope head.
Further, the both ends of the heat-resisting eyeglass are equipped with convex block, and the inner wall of the detection pipes two sides is equipped with groove, institute
It is corresponding with the position of the groove to state convex block, and the convex block and convex block cooperation are clamped.
Further, the outer wall of the detection pipes is equipped with corrosion-resistant coating.
Further, the corrosion-resistant coating uses carbon fiber layer or polytetrafluoroethylene ethylene layer.
The monitoring method of above-mentioned thermal power plant's air preheater visualization status monitoring device, comprising the following steps:
It selects suitable position to open up monitoring holes in one side flue of air preheater, and pacifies in the position of the monitoring holes
It fills described image and absorbs component, the detection pipes is made to be inserted into the monitoring holes；
At the scene of air preheater the industrial personal computer is installed on the spot, the air is monitored by the industrial endoscope head
Image in preheater, and the temperature in the air preheater is monitored by the infrared temperature probe；
Temperature of the industrial personal computer to the industrial endoscope head image monitored and infrared temperature probe monitoring
Degree is according to being handled and being analyzed, and to detect the chocking-up degree inside the air preheater, and is referred in real time according to stopping state
Lead the start and stop of soot blower system.
Wherein, air preheater ash deposition monitoring model is established using following methods in advance in the industrial personal computer:
It is calculated using the following equation frictional resistance；
Wherein, Δ p is the pressure drop of air preheater flue gas, and v is flue gas flow rate, and ρ is smoke density, and C is resistance system；
Enabling D is effective flue gas actual internal area of heating surface, then obtains following formula:
It enablesAfter substituting into above-mentioned formula, obtain:
Wherein, when air preheater dust stratification degree aggravates, resistance coefficient C becomes larger, and flue cross section product D becomes smaller, dust stratification journey
Degree index λ becomes larger, conversely, dust stratification extent index λ becomes smaller, in the air preheater ash deposition monitoring model, according to dust stratification degree
Index λ reacts fouling of heating surface state indirectly.
Wherein, the industrial personal computer is handled using the image that following methods monitor the industrial endoscope head:
Using the image enchancing method based on transform domain, the image information conversion that will acquire is rolled up to frequency domain, and using template
Product method is pre-processed；
The image data obtained after pretreatment is simplified using mathematical morphology, removes incoherent structure, is used
Structural element with default form goes to measure and extracts the correspondingly-shaped in image data, to be analyzed image and be known
Not.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is thermal power plant's air preheater visualization status monitoring device of an embodiment of the present invention in air preheat
Mounting structure schematic diagram on device；
Fig. 2 is image capture in thermal power plant's air preheater visualization status monitoring device of an embodiment of the present invention
The schematic cross-sectional view of component；
Fig. 3 is the electric connection of thermal power plant's air preheater visualization status monitoring device of an embodiment of the present invention
Schematic diagram；
Fig. 4 is heat-resisting eyeglass in thermal power plant's air preheater visualization status monitoring device of an embodiment of the present invention
Structural schematic diagram.
Specific embodiment
It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand
Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
Thermal power plant's air preheater visualization status prison that an embodiment of the utility model proposes referring to FIG. 1 to FIG. 4,
Survey device, including image capture component 10 and industrial personal computer 20, described image absorb component 10 include support tube 11 and with the branch
The detection pipes 12 that stay tube 11 connects, for the detection pipes 12 for being inserted into the monitoring holes 31 being arranged on air preheater 30, air is pre-
Hot device 30 specifically can be rotary regenerative air preheater.The outer diameter of detection pipes 12 should match with the diameter of monitoring holes 31.Tool
When body is implemented, suitable position can be selected to output monitoring holes 31 in 30 1 side flue of air preheater in advance.Monitoring holes 31
And 10 quantity of image capture component can be to be multiple, herein with no restrictions.
The end of the detection pipes 12 is equipped with heat-resisting eyeglass 13, and the detection pipes 12 are sealed with the heat-resisting composition of eyeglass 13
Structure, the inside of the detection pipes 12 are equipped with industrial endoscope head 14, and the inner wall of the detection pipes 12 is equipped with thermal insulation layer 15, described
The outer wall of detection pipes 12 is equipped with infrared temperature probe 16, the industrial endoscope head 14 and the infrared temperature probe 16
It is electrically connected by detection conducting wire 17 and the industrial personal computer 20, image that the industrial endoscope head 14 monitors and described infrared
The temperature data that temperature transducer 16 monitors reaches the industrial personal computer 20,20 basis of industrial personal computer by the detection conducting wire 17
The temperature data that the image and the infrared temperature probe 16 that the industrial endoscope head 14 monitors monitor detects the sky
Chocking-up degree inside air preheater 30.
Specifically, the industrial endoscope head 14 may include the colored rotation focusing panorama that diameter of lens is 47mm
The colored wide-angle direct-view camera lens that head, diameter of lens are 24mm and the colored wide-angle that diameter of lens is 18mm look at camera lens straight.Wherein,
The colored rotation focusing full shot that diameter of lens is 47mm can be realized radial 220 ° of overturnings, axial 360 ° of unlimited rotaries, can
Electromotion focusing, using 1/4CCD sensitive chip.
It detects conducting wire 17 and specifically uses 25 rice noodles disks, line footpath 4.5mm.
Anti-skid chequer can be set in the outer surface of support tube 11, convenient for the user to operate.
As an alternative embodiment, tensioner 18 is equipped between the support tube 11 and the detection pipes 12,
For realizing the sealing between support tube 11 and detection pipes 12.
Optionally, connecting rod 19, one end of the connecting rod 19 and the detection are equipped in the inside of the detection pipes 12
Pipe 12 is fixedly connected, and the other end of the connecting rod 19 is detachably connected with the industrial endoscope head 14, due to connecting rod 19
The type for the replacement camera lens that is flexibly connected, therefore can be convenient with industrial endoscope head 14.
Wherein, heat-resisting eyeglass 13 can be installed in the following ways in the end of detection pipes 12, the two of heat-resisting eyeglass 13
End setting convex block 131, is equipped with groove on the inner wall of 12 two sides of detection pipes, and the convex block 131 is corresponding with the position of the groove,
And the convex block 131 is clamped with groove cooperation.
In the present embodiment, the outer wall of the detection pipes 12 is equipped with corrosion-resistant coating 122.Preferably, the corrosion-resistant coating 122 is adopted
With carbon fiber layer or polytetrafluoroethylene ethylene layer, to guarantee that detection pipes 12 will not be influenced by 30 internal corrosion object of air preheater.
The embodiments of the present invention also proposed the prison of above-mentioned thermal power plant's air preheater visualization status monitoring device
Survey method, comprising the following steps:
Suitable position is selected to open up monitoring holes 31 in 30 1 side flue of air preheater, and in the monitoring holes 31
Position installs described image and absorbs component 10, and the detection pipes 12 is made to be inserted into the monitoring holes 31；
At the scene of air preheater 30 industrial personal computer 20 is installed on the spot, institute is monitored by the industrial endoscope head 14
The image in air preheater 30 is stated, and the temperature in the air preheater 30 is monitored by the infrared temperature probe 16
Degree；
The image and the prison of the infrared temperature probe 16 that the industrial personal computer 20 monitors the industrial endoscope head 14
The temperature data of survey is handled and is analyzed, to detect the chocking-up degree inside the air preheater 30, and according to blocking feelings
The start and stop of condition real-time instruction soot blower system.
Wherein, there is dedicated air preheater visualization status monitoring of software, for rotary in the industrial personal computer 20
Air preheater, main resistance are frictional resistance, and the calculating for general smoke power can not consider repairing for heat exchange
Just, therefore, industrial personal computer 20 can establish air preheater ash deposition monitoring model using following methods in advance:
It is calculated using the following equation frictional resistance；
Wherein, Δ p is air preheater flue gas pressure drop (unit kPa), and v is flue gas flow rate (unit m3/ s), ρ is that flue gas is close
Spend (units/kg/m3), C is resistance system；
Enabling D is effective flue gas actual internal area of heating surface, then obtains following formula:
It can be seen that the flue gas pressure drop of rotary regenerative air preheater and dust stratification degree, smoke density and the flue gas stream of air preheater
It measures related；
It enablesAfter substituting into above-mentioned formula, obtain:
Wherein, when air preheater dust stratification degree aggravates, resistance coefficient C becomes larger, and flue cross section product D becomes smaller, dust stratification journey
Degree index λ becomes larger, conversely, dust stratification extent index λ becomes smaller, in the air preheater ash deposition monitoring model, according to dust stratification degree
Index λ reacts fouling of heating surface state indirectly.
Specifically, use is following when the image that the industrial personal computer 20 monitors the industrial endoscope head 14 is handled
Method:
Using the image enchancing method based on transform domain, the image information conversion that will acquire is rolled up to frequency domain, and using template
Product method is handled.
Specifically, the industrial personal computer 20 is using mathematical morphology to the image obtained after pretreatment after the completion of pretreatment
Data are simplified, and incoherent structure is removed, and are gone measurement using the structural element with default form and are extracted image data
In correspondingly-shaped, to be analyzed image and be identified, thus obtain image identification as a result, determine air preheater 30 inside
With the presence or absence of tamper, the position of tamper and chocking-up degree etc..
According to thermal power plant's air preheater visualization status monitoring device that the present embodiment proposes, it is inserted by detection pipes empty
Industrial endoscope head is arranged in the monitoring holes being arranged on air preheater, the inside of detection pipes, and the image of industrial endoscope head monitoring is logical
It crosses detection conducting wire and reaches industrial personal computer, the image and infrared temperature probe monitored by industrial personal computer according to industrial endoscope head monitors
Temperature data detection air preheater inside chocking-up degree, realizing can to the online of air preheater inside stopping state
It is monitored depending on changing, can effectively recognize whether air preheater has accumulated tamper, and block part, chocking-up degree can carried out
Sightless boiler internal state is become visual realtime graphic and information by accurate identification, the device, is convenient for operations staff
Air preheater is understood in real time and blocks situation of change, according to the start and stop of stopping state real-time instruction soot blower system, to guarantee sky
Air preheater being capable of safe and stable operation.In addition, the device is inserted into the monitoring holes being arranged on air preheater by detection pipes, no
It will affect air preheater normal operation, thermal insulation layer be equipped with by the inner wall in detection pipes, be equipped in the end of detection pipes heat-resisting
Eyeglass can guarantee image capture component normal photographing when air preheater is run.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of thermal power plant's air preheater visualization status monitoring device, which is characterized in that including image capture component and work
Control machine, described image absorb the detection pipes that component includes support tube and connect with the support tube, and the detection pipes are for being inserted into
The end of the monitoring holes being arranged on air preheater, the detection pipes is equipped with heat-resisting eyeglass, the detection pipes and the resistance to heat mirror
Piece forms sealing structure, and the inside of the detection pipes is equipped with industrial endoscope head, and the inner wall of the detection pipes is equipped with thermal insulation layer, institute
The outer wall for stating detection pipes is equipped with infrared temperature probe, and the industrial endoscope head and the infrared temperature probe pass through inspection
It surveys conducting wire and the industrial personal computer is electrically connected, the image and infrared temperature probe prison of the industrial endoscope head monitoring
The temperature data of survey reaches the industrial personal computer by the detection conducting wire, and the industrial personal computer is monitored according to the industrial endoscope head
Image and the infrared temperature probe monitoring temperature data detect the chocking-up degree inside the air preheater.
2. thermal power plant's air preheater visualization status monitoring device according to claim 1, which is characterized in that the work
Industry endoscope head include diameter of lens be 47mm colored rotation focusing full shot, diameter of lens be 24mm colored wide-angle it is straight
The colored wide-angle that visor head and diameter of lens are 18mm looks at camera lens straight.
3. thermal power plant's air preheater visualization status monitoring device according to claim 1, which is characterized in that the branch
Tensioner is equipped between stay tube and the detection pipes.
4. thermal power plant's air preheater visualization status monitoring device according to claim 1, which is characterized in that the spy
The inside of test tube is equipped with connecting rod, and one end of the connecting rod is fixedly connected with the detection pipes, the other end of the connecting rod
It is detachably connected with the industrial endoscope head.
5. thermal power plant's air preheater visualization status monitoring device according to claim 1, which is characterized in that described resistance to
The both ends of heat mirror piece are equipped with convex block, and the inner wall of the detection pipes two sides is equipped with groove, the position of the convex block and the groove
It is corresponding, and the convex block and convex block cooperation are clamped.
6. thermal power plant's air preheater visualization status monitoring device according to claim 1, which is characterized in that the spy
The outer wall of test tube is equipped with corrosion-resistant coating.
7. thermal power plant's air preheater visualization status monitoring device according to claim 6, which is characterized in that described anti-
Corrosion layer uses carbon fiber layer or polytetrafluoroethylene ethylene layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814181.1U CN209558398U (en) | 2018-11-06 | 2018-11-06 | A kind of thermal power plant's air preheater visualization status monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814181.1U CN209558398U (en) | 2018-11-06 | 2018-11-06 | A kind of thermal power plant's air preheater visualization status monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209558398U true CN209558398U (en) | 2019-10-29 |
Family
ID=68299495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821814181.1U Active CN209558398U (en) | 2018-11-06 | 2018-11-06 | A kind of thermal power plant's air preheater visualization status monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209558398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442469A (en) * | 2018-11-06 | 2019-03-08 | 国网江西省电力有限公司电力科学研究院 | A kind of thermal power plant's air preheater visualization status monitoring device and method |
| CN113432463A (en) * | 2021-06-25 | 2021-09-24 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Electric brush temperature measuring system for heat storage element of rotary air preheater |
-
2018
- 2018-11-06 CN CN201821814181.1U patent/CN209558398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442469A (en) * | 2018-11-06 | 2019-03-08 | 国网江西省电力有限公司电力科学研究院 | A kind of thermal power plant's air preheater visualization status monitoring device and method |
| CN109442469B (en) * | 2018-11-06 | 2023-12-29 | 国网江西省电力有限公司电力科学研究院 | Visual state monitoring device and method for air preheater of thermal power plant |
| CN113432463A (en) * | 2021-06-25 | 2021-09-24 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Electric brush temperature measuring system for heat storage element of rotary air preheater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109442469A (en) | A kind of thermal power plant's air preheater visualization status monitoring device and method | |
| CN209558398U (en) | A kind of thermal power plant's air preheater visualization status monitoring device | |
| CN110568014B (en) | Intelligent accumulated dust sampling device and method for online measurement of effective thermal conductivity of accumulated dust | |
| CN102252780B (en) | Apparatus of measuring power station boiler furnace gas temperature and measuring method thereof | |
| CN207008181U (en) | Minor diameter hot industry endoscope cooling device | |
| CN205826473U (en) | Flue cross section smoke components concentration field and the dynamic on-line measuring device of velocity field multiple spot | |
| CN206020262U (en) | A kind of continuous on-line monitoring system of CEMS flue gases | |
| CN207570855U (en) | CEMS flue gas sampling probes | |
| CN202853655U (en) | Flue gas monitoring system | |
| CN108120622B (en) | Gas sampling device capable of preventing dust and heating | |
| CN107631916A (en) | A kind of more dot matrix high-temperature sampling probes of gaseous contaminant | |
| CN108871046A (en) | Automatic purging system and automatic blow-washing method | |
| CN105842401A (en) | No-leakage rapid environment-friendly flue gas pretreater | |
| CN205958127U (en) | Carbide stove high temperature end flue gas temperature -detecting device | |
| CN109459097B (en) | Matrix distributed flow measuring device for online descaling and cold-hot state comparison | |
| CN204758344U (en) | Be used for hot sampling tube of boiler near -zero release measuring companion | |
| CN105466645A (en) | System and method for quickly detecting air leakage factor of boiler tail flue | |
| CN208488177U (en) | A kind of burning on fume in high temperature temperature infrared measuring device | |
| CN114486225B (en) | Testing device for testing flow and conversion performance of engine catalytic converter | |
| CN103353538B (en) | Detect the Pitot tube device that a flue gas flow rate is measured more | |
| CN202974350U (en) | Air supply flow real-time detection device for rectangular section pipeline | |
| CN205643304U (en) | Flue gas preprocessor of swift environmental protection of ne -leakage | |
| CN211205941U (en) | Differential pressure type flue gas gridding multi-point sampling device | |
| CN203502161U (en) | Pressure sampling device for smoke/gas pressure detection of molten-salt chlorination furnace | |
| CN209296166U (en) | A kind of small-bore pipeline temperature measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |