CN102706456A - Online detection method and device of high temperature flue gas dedusting pipeline - Google Patents
Online detection method and device of high temperature flue gas dedusting pipeline Download PDFInfo
- Publication number
- CN102706456A CN102706456A CN2012101511062A CN201210151106A CN102706456A CN 102706456 A CN102706456 A CN 102706456A CN 2012101511062 A CN2012101511062 A CN 2012101511062A CN 201210151106 A CN201210151106 A CN 201210151106A CN 102706456 A CN102706456 A CN 102706456A
- Authority
- CN
- China
- Prior art keywords
- temperature
- pipeline
- preset
- dedusting
- dust removal
- 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.)
- Granted
Links
Images
Landscapes
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The embodiment of the invention provides an online detection method and device of a high temperature flue gas dedusting pipeline. The online detection method comprises the following steps of acquiring the temperature distribution situation information of pipelines within the preset scope of a high-temperature flue gas dedusting pipeline; analyzing the temperature distribution situation information to obtain the position of the pipeline with the temperature lower than the preset temperature among the pipelines within the preset scope, and detecting the dedusting area of the position of the pipeline with the temperature lower than the preset temperature; and determining the position of the pipeline with the temperature lower than the preset temperature as the position to be dedusted when the dedusting area is larger than the preset dedusting area. With the adoption of the online detection method and device provided by the invention, the situation of manually judging the position to be dedusted in the high temperature flue gas dedusting pipeline can be avoided, so that the aims of saving the labor capacity of workers and enhancing the work efficiency are realized.
Description
Technical field
The present invention relates to field of mechanical technique, in particular, relate to a kind of high temperature fume dust removal pipeline online test method and device.
Background technology
Along with the blast furnace development trend with the requirement of environmental protection high standard that maximizes, also increasingly high to the requirement of the dust removing effects of cleaner.Depression dust-removing is one of modal dust suppression; At the scene in the actual moving process; Owing to receive factor affecting such as pipe design, blower fan useful power; Carry the reduction that the speed of the wind of dedusting ash can paragraph in cleaning shaft inside, thereby cause the local sedimentation of dedusting ash, and then influence dust removing effects at cleaning shaft.
The high temperature fume dust removal pipeline is detected, with in time, judge accumulation place and the accumulating amount of dedusting ash at cleaner accurately, can reasonably arrange the stop time and the liquidating plan of cleaner, this is extremely important to the dust removing effects that guarantees cleaner.Existing high temperature fume dust removal method for detecting pipeline is through artificial experience judgement or makes the perforate inspection on cleaning shaft of cleaner shutdown back whether need dedusting with the pipeline place of judging this perforate correspondence, not only increased workman's labor capacity but also reduced work efficiency.
Summary of the invention
In view of this, the invention provides a kind of high temperature fume dust removal pipeline online test method and device, to overcome the problem that high temperature fume dust removal method for detecting pipeline of the prior art had not only increased workman's labor capacity but also influenced work efficiency.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of high temperature fume dust removal pipeline online test method comprises:
Obtain the temperature distribution state information of the pipeline of preset range in the said high temperature fume dust removal pipeline;
Analyze said temperature distribution state information, obtain in the pipeline of said preset range, be lower than the pipeline location of preset temperature, the temperature of the pipeline of said preset range when said preset temperature is the flue gas proper flow;
Detect the said dedusting ash area that is lower than the pipeline location of preset temperature;
Under the situation of said dedusting ash area, confirm that the said position that is lower than the pipeline of preset temperature is the position that needs dedusting greater than preset dedusting ash area.
Preferably, said temperature distribution state information is specially the temperature field distribution plan.
Wherein, after said definite said pipeline place that is lower than preset temperature needs dedusting, also comprise:
In the distribution plan of said temperature field with the warning of glimmering of the said corresponding position of pipeline that is lower than preset temperature.
A kind of high temperature fume dust removal pipeline on-line measuring device comprises:
Acquisition module is used for obtaining the temperature distribution state information of the pipeline of said high temperature fume dust removal pipeline preset range;
Analysis module; Be used to analyze said temperature distribution state information; Obtain in the pipeline of said preset range; Be lower than the pipeline location of preset temperature, detect the said dedusting ash area that is lower than the pipeline location of preset temperature, the temperature of the pipeline of said preset range when said preset temperature is the flue gas proper flow;
Determination module is used under the situation of said dedusting ash area greater than preset dedusting ash area, confirming that the said pipeline location that is lower than preset temperature is the position that needs dedusting.
Preferably, said temperature distribution state information is specially the temperature field distribution plan.
Preferably, also comprise:
Alarm module is used in said temperature field the warning of glimmering of distribution plan and the said corresponding position of pipeline that is lower than preset temperature.
Preferably, the said thermal module that obtains is specially thermal imaging system.
Can know via above-mentioned technical scheme; The disclosed a kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention; The temperature distribution state information of obtaining through analysis; Confirm to be lower than the pipeline location and the dedusting ash area of preset temperature, and confirm that when the dedusting ash area of the pipeline location that is lower than preset temperature can have influence on dust removing effects this place needs dedusting, thereby be easy to grasp accurately the position that needs dedusting in the high-temperature flue gas pipeline; Do not need artificial to judge or perforate inspection on pipeline, realized saving the purpose that workman's labor capacity is increased work efficiency again.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is embodiments of the invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the process flow diagram of the disclosed first kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention;
Fig. 2 is the process flow diagram of the disclosed second kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention;
The structural representation of the device of the online detection of first kind of high temperature fume dust removal pipeline that Fig. 3 provides for the embodiment of the invention;
The structural representation of the device of the online detection of second kind of high temperature fume dust removal pipeline that Fig. 4 provides for the embodiment of the invention;
Fig. 5 utilizes the temperature field distribution plan of the horizontal pipe of thermal imaging system test for the embodiment of the invention.
Embodiment
Embodiment one
See also accompanying drawing 1, be the process flow diagram of the disclosed first kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention, this method can comprise:
Step S101: the temperature distribution state information of obtaining the pipeline of preset range in the high temperature fume dust removal pipeline;
The pipeline of above-mentioned preset range can be the ducted pipe network of high temperature fume dust removal and each section of blower fan; Perhaps be meant ducted a certain section of high temperature fume dust removal; Which section the pipeline of preset range specifically refers to, does not influence the realization of the embodiment of the invention, so do not do concrete qualification here.
Step S102: analysis temperature distribution situation information, obtain in the pipeline of preset range, be lower than the pipeline location of preset temperature, detect the dedusting ash area of the pipeline location that is lower than preset temperature;
The temperature of the pipeline of preset range when preset temperature is the flue gas proper flow.
With the blast furnace is example, and blast furnace can produce a large amount of flue gases in the process of tapping a blast furnace, and the temperature that flue gas gets into behind the dust excluding hood mouth flue gas can reach more than 200 ℃; Belong to high-temperature flue gas; Also about 80 ℃, the temperature of the flue gas behind the entering cleaning shaft also is higher than indoor temperature to the temperature of flue gas, because the ducted flue-gas temperature of high temperature fume dust removal is higher than indoor temperature before getting into cleaner; The temperature that is the flue gas fluid motion is higher than indoor temperature; And the dead band temperature that exists dedusting ash to pile up is lower than indoor temperature, therefore, just can draw the position and the area of the accumulation of dedusting ash through above-mentioned temperature distribution state information.
Step S103: under the situation of dedusting ash area greater than preset dedusting ash area, the pipeline location of confirming to be lower than preset temperature is the position that needs dedusting.
Preset dedusting ash area is meant the dedusting ash stacked area when influencing the cleaner dust removing effects.Should can establish according to condition of different by preset dedusting area.
The disclosed a kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention; The temperature distribution state information of obtaining through analysis; Confirm to be lower than the pipeline location and the dedusting ash area of preset temperature; And, the dedusting ash area of the pipeline location that is lower than preset temperature confirms that this place needs dedusting when can having influence on dust removing effects; Thereby be easy to grasp accurately the position that needs dedusting in the high-temperature flue gas pipeline, do not need artificial to judge or perforate inspection on pipeline, realized saving the purpose that workman's labor capacity is increased work efficiency again.
Embodiment two
See also Fig. 2, be the process flow diagram of the disclosed second kind of high temperature fume dust removal pipeline online test method of the embodiment of the invention, this method can comprise:
Step S201: the temperature field distribution plan that obtains the pipeline of preset range in the said high temperature fume dust removal pipeline;
This temperature field distribution plan shows the ducted Temperature Distribution situation of preset range; The zone that can show different temperatures with various colors; So that distinguish, ordinate can displays temperature and the corresponding relation of color, and horizontal ordinate can be used for showing the particular location of high temperature fume dust removal pipeline.
Step S202: analyze said temperature field distribution plan, obtain in the pipeline of said preset range, be lower than the pipeline location of preset temperature, detect the said dedusting ash area that is lower than the pipeline location of preset temperature;
The temperature of the pipeline of said preset range when preset temperature is the flue gas proper flow.
If being lower than the pipeline of preset temperature demonstrates with grey in the distribution plan of temperature field; The pipeline that just can demonstrate which part in the pipeline of preset range during the temperature field distributes so intuitively has dedusting ash to pile up, and can learn the area of dedusting ash accumulation from the profile of grey.
Step S203: under the situation of said dedusting ash area, confirm that the said pipeline location that is lower than preset temperature is the position that needs dedusting greater than preset dedusting ash area;
Step S204: in the distribution plan of said temperature field with the warning of glimmering of the said corresponding position of pipeline that is lower than preset temperature everywhere.
The disclosed high temperature fume dust removal pipeline of embodiment of the invention online test method; Through the temperature field distribution plan that analysis is obtained, confirm to be lower than the pipeline location and the dedusting ash area of preset temperature, and confirm that when the dedusting ash area of the pipeline location that is lower than preset temperature can have influence on dust removing effects this place needs dedusting; The workman is autotelic to carry out dedusting to the high-temperature dust removal pipeline thereby make; Further, the dedusting of needs place is arranged in detecting pipeline after, also report to the police with the prompting workman carry out dedusting; Avoided which position needs dedusting in the artificial judgement high-temperature flue gas pipeline, thereby the labor capacity that has realized saving the workman has improved the purpose of work efficiency again.
Describe method in detail among the disclosed embodiment of the invention described above, can adopt the device of various ways to realize, therefore the invention also discloses two kinds of devices, provide concrete embodiment below and be elaborated for method of the present invention.
Embodiment three
See also Fig. 3, the structural representation of the device of the online detection of first kind of high temperature fume dust removal pipeline that provides for the embodiment of the invention, this device can comprise: acquisition module 301, analysis module 302 and determination module 303, wherein:
The disclosed high temperature fume dust removal pipeline of embodiment of the invention on-line measuring device; Analysis module 302 is through analyzing the temperature distribution state information that acquisition module 301 obtains; Confirm to be lower than the pipeline location and the dedusting ash area of preset temperature; When can having influence on dust removing effects, the dedusting ash area that determination module 303 detects the pipeline location that is lower than preset temperature confirms that this place needs dedusting; The workman is autotelic to carry out dedusting to the high-temperature dust removal pipeline thereby make, and has avoided which position needs dedusting in the artificial judgement high-temperature flue gas pipeline, thereby the labor capacity that has realized saving the workman has improved the purpose of work efficiency again.
Embodiment four
See also Fig. 4, the structural representation of the device of the online detection of second kind of high temperature fume dust removal pipeline that provides for the embodiment of the invention, this device can comprise: acquisition module 301, analysis module 302, determination module 303 and alarm module 401, wherein:
Obtain thermal module and be specially thermal imaging system.
The disclosed high temperature fume dust removal pipeline of embodiment of the invention on-line measuring device; Analysis module 302 is through analyzing the temperature distribution state information that acquisition module 301 obtains; Confirm to be lower than the pipeline location and the dedusting ash area of preset temperature; Confirm that this place needs dedusting when the dedusting ash area that determination module 303 detects the pipeline location that is lower than preset temperature can have influence on dust removing effects, the workman is autotelic to carry out dedusting to the high-temperature dust removal pipeline thereby make, further; After the dedusting of needs place is arranged in detecting pipeline; Alarm module 401 is also reported to the police and is carried out dedusting with the prompting workman, has avoided which position needs dedusting in the artificial judgement high-temperature flue gas pipeline, thereby the labor capacity that has realized saving the workman has improved the purpose of work efficiency again.
For those skilled in the art further understand the embodiment of the invention, the inventor utilizes thermal imaging system to test the temperature distribution state of the horizontal pipe of high temperature fume dust removal pipeline.
See also Fig. 5, utilize the temperature field distribution plan of the horizontal pipe of thermal imaging system test for the embodiment of the invention.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can be directly with the software modules of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a high temperature fume dust removal pipeline online test method is characterized in that, comprising:
Obtain the temperature distribution state information of the pipeline of preset range in the said high temperature fume dust removal pipeline;
Analyze said temperature distribution state information, obtain in the pipeline of said preset range, be lower than the pipeline location of preset temperature, the temperature of the pipeline of said preset range when said preset temperature is the flue gas proper flow;
Detect the said dedusting ash area that is lower than the pipeline location of preset temperature;
Under the situation of said dedusting ash area, confirm that the said position that is lower than the pipeline of preset temperature is the position that needs dedusting greater than preset dedusting ash area.
2. according to the said method of claim 1, it is characterized in that said temperature distribution state information is specially the temperature field distribution plan.
3. according to the said method of claim 2, it is characterized in that, after said definite said pipeline place that is lower than preset temperature needs dedusting, also comprise:
In the distribution plan of said temperature field with the warning of glimmering of the said corresponding position of pipeline that is lower than preset temperature.
4. a high temperature fume dust removal pipeline on-line measuring device is characterized in that, comprising:
Acquisition module is used for obtaining the temperature distribution state information of the pipeline of said high temperature fume dust removal pipeline preset range;
Analysis module; Be used to analyze said temperature distribution state information; Obtain in the pipeline of said preset range; Be lower than the pipeline location of preset temperature, detect the said dedusting ash area that is lower than the pipeline location of preset temperature, the temperature of the pipeline of said preset range when said preset temperature is the flue gas proper flow;
Determination module is used under the situation of said dedusting ash area greater than preset dedusting ash area, confirming that the said pipeline location that is lower than preset temperature is the position that needs dedusting.
5. according to the said device of claim 4, it is characterized in that said temperature distribution state information is specially the temperature field distribution plan.
6. according to the said device of claim 5, it is characterized in that, also comprise:
Alarm module is used in said temperature field the warning of glimmering of distribution plan and the said corresponding position of pipeline that is lower than preset temperature.
7. according to the said device of claim 1, it is characterized in that the said thermal module that obtains is specially thermal imaging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151106.2A CN102706456B (en) | 2012-05-07 | 2012-05-07 | Online detection method and device of high temperature flue gas dedusting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151106.2A CN102706456B (en) | 2012-05-07 | 2012-05-07 | Online detection method and device of high temperature flue gas dedusting pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102706456A true CN102706456A (en) | 2012-10-03 |
| CN102706456B CN102706456B (en) | 2015-06-10 |
Family
ID=46899406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210151106.2A Expired - Fee Related CN102706456B (en) | 2012-05-07 | 2012-05-07 | Online detection method and device of high temperature flue gas dedusting pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102706456B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104531A (en) * | 2013-01-15 | 2013-05-15 | 莱芜钢铁集团有限公司 | Method and device for detecting draught fan insufficient output fault |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003287201A (en) * | 2002-03-28 | 2003-10-10 | Sumitomo Metal Ind Ltd | Method and facility for waste heat recovery |
| CN101806626A (en) * | 2010-03-03 | 2010-08-18 | 四川东脑电气工程有限公司 | Online monitoring method for flue gas temperature of hearth outlet of power station boiler |
| CN101839634A (en) * | 2010-05-09 | 2010-09-22 | 中国铝业股份有限公司 | Method for detecting temperature and negative pressure of dust falling chamber of carbon rotary kiln |
| JP2010255972A (en) * | 2009-04-28 | 2010-11-11 | Mitsubishi Heavy Ind Ltd | Heat-transfer tube monitoring device |
| US20110203350A1 (en) * | 2008-11-06 | 2011-08-25 | Stanislaw Kaminski | Method for measuring dust concentration in flowing gas and device for measuring dust concentration in flowing gas |
-
2012
- 2012-05-07 CN CN201210151106.2A patent/CN102706456B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003287201A (en) * | 2002-03-28 | 2003-10-10 | Sumitomo Metal Ind Ltd | Method and facility for waste heat recovery |
| US20110203350A1 (en) * | 2008-11-06 | 2011-08-25 | Stanislaw Kaminski | Method for measuring dust concentration in flowing gas and device for measuring dust concentration in flowing gas |
| JP2010255972A (en) * | 2009-04-28 | 2010-11-11 | Mitsubishi Heavy Ind Ltd | Heat-transfer tube monitoring device |
| CN101806626A (en) * | 2010-03-03 | 2010-08-18 | 四川东脑电气工程有限公司 | Online monitoring method for flue gas temperature of hearth outlet of power station boiler |
| CN101839634A (en) * | 2010-05-09 | 2010-09-22 | 中国铝业股份有限公司 | Method for detecting temperature and negative pressure of dust falling chamber of carbon rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104531A (en) * | 2013-01-15 | 2013-05-15 | 莱芜钢铁集团有限公司 | Method and device for detecting draught fan insufficient output fault |
| CN103104531B (en) * | 2013-01-15 | 2015-08-12 | 莱芜钢铁集团有限公司 | A kind of fault detection method of blower fan undercapacity and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102706456B (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203578005U (en) | Electrostatic precipitator | |
| CN102760020A (en) | Method and device for detecting capacitive touch screen and mobile terminal | |
| CN103877801A (en) | Bag leakage detecting and positioning device and method for pulse bag dust collector | |
| AU2008266682B2 (en) | Automated system for waterwall cleaning and inspection | |
| CN103558230B (en) | A kind of optical detection apparatus | |
| CN102706456A (en) | Online detection method and device of high temperature flue gas dedusting pipeline | |
| CN105148632A (en) | On-line high-precision fixed point side emitting type leak detection device and leak detection method for bag type dust remover | |
| CN111500811A (en) | Device and method for automatically inspecting on blast furnace tuyere platform | |
| CN103104531B (en) | A kind of fault detection method of blower fan undercapacity and device | |
| CN110307953A (en) | A kind of infrared thermal imaging automatic leak-checking device for heat exchanger | |
| CN204556159U (en) | Duct pressure sampler and air and flue system | |
| CN204255579U (en) | A kind of dust leakage detection apparatus of many casings fly-ash separator | |
| CN211426155U (en) | Denitration catalyst abrasion strength detection device | |
| CN104436901B (en) | The method of dust-removal cloth-bag damage location on pulse dust collector is searched online during blowback | |
| CN204188532U (en) | Flue gas on-line analysis device | |
| CN103499463B (en) | The sampling method of a kind of desulfurization system heat exchanger tamper and system | |
| CN201731834U (en) | Central air conditioner elbow tester | |
| CN205506795U (en) | Exhaust pollution detection device | |
| JP2010133585A (en) | Leakage portion detecting device | |
| CN202581364U (en) | Smoke leakage detection chimney | |
| CN206762476U (en) | A kind of multistage environmental protection type dust arrester | |
| CN104406417A (en) | Dust removal system for high-temperature flue gas | |
| CN218465860U (en) | Blast furnace reveals guiding device of coal gas | |
| CN208254524U (en) | Heat-storage type burner honeycomb ceramics intelligent detection device | |
| CN104832937A (en) | Intelligent dust removal system for boiler flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Aiguo Inventor after: Zhao Xingyong Inventor after: Qi Yumin Inventor after: Lang Dahui Inventor after: Du Xianwei Inventor after: Zhang Haigang Inventor before: Zhao Xingyong Inventor before: Qi Yumin Inventor before: Lang Dahui Inventor before: Du Xianwei Inventor before: Zhang Haigang Inventor before: Li Aiguo |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO XINGYONG QI YUMIN LANG DAHUI DU XIANWEI ZHANG HAIGANG LI AIGUO TO: LI AIGUO ZHAO XINGYONG QI YUMIN LANG DAHUI DU XIANWEI ZHANG HAIGANG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20190507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |