CN103104531B - A kind of fault detection method of blower fan undercapacity and device - Google Patents
A kind of fault detection method of blower fan undercapacity and device Download PDFInfo
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- CN103104531B CN103104531B CN201310014599.XA CN201310014599A CN103104531B CN 103104531 B CN103104531 B CN 103104531B CN 201310014599 A CN201310014599 A CN 201310014599A CN 103104531 B CN103104531 B CN 103104531B
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- preset range
- pipeline
- check point
- setting threshold
- temperature value
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003546 flue gas Substances 0.000 claims abstract description 22
- 238000010410 dusting Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 239000003517 fume Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
This application provides a kind of fault detection method and device of blower fan undercapacity, the method comprises: the temperature value obtaining each Check point in preset range pipeline; Obtain temperature value in described preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value; Judge whether the quantity of the Check point of described acquisition is greater than the second setting threshold value, if so, then in described preset range pipe section, the flow of high-temperature flue gas is large, determines that the pipeline air intake of described preset range is not smooth.The fault detection method of the blower fan undercapacity that the application provides and device, utilize the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.
Description
Technical field
The present invention relates to the fault detection technique field of dusting apparatus, particularly relate to a kind of fault detection method and device of blower fan undercapacity.
Background technique
Blast furnace can produce a large amount of flue dust in the process of tapping a blast furnace, and according to the requirement of Ironmaking Design specification and environmental protection, effectively must control pollution sources, therefore, is generally blast furnace configuration dusting apparatus.Along with blast furnace maximizes and the high standardization of environmental requirement, also improve further the requirement of the dusting apparatus supporting with blast furnace, the dusting apparatus usually chosen is all high-power, Wind Volume.
The blower fan undercapacity of dusting apparatus is the most common failure of dusting apparatus, and the existence of fault not only affects the site environment of cast house, pollutes, and also causes device efficiency low, causes the waste of the energy.Therefore, most important to the detection of the fault of blower fan undercapacity.
In prior art, usually use instrument to detect wind speed, the pressure and other parameters of each point in blower fan and pipe network system, detected by the fault of various parameters to blower fan undercapacity detected.But due to the restriction of site space, and elbow in pipe network, reducing are very many, and the straight section measuring point meeting examination criteria is few, therefore, the data of detection can distortion, thus directly impact is carried out the source of trouble analyzing the accuracy judged.
Summary of the invention
In view of this, the invention provides a kind of fault detection method and device of blower fan undercapacity, detect data distortion in order to solve, thus directly impact is carried out the source of trouble analyzing the accuracy judged, its technological scheme is as follows:
A fault detection method for blower fan undercapacity, comprising:
Obtain the temperature value of each Check point in preset range pipeline;
Obtain temperature value in described preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value;
Judge whether the quantity of the Check point of described acquisition is greater than the second setting threshold value, if so, then in described preset range pipe section, the flow of high-temperature flue gas is large, determines that the pipeline air intake of described preset range is not smooth.
Also comprise after the temperature distribution state information of described acquisition preset range pipeline:
Data processing is carried out to the described temperature value stating each Check point in preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
When the quantity of the Check point of described acquisition is greater than the second setting threshold value, also comprise:
In described thermo parameters method figure, carry out flicker report to the police.
A Fail detecting apparatus for blower fan undercapacity, comprising:
First acquisition module, for obtaining the temperature distribution state information of preset range pipeline, described temperature distribution state information comprises: the temperature value of each Check point in described preset range pipeline;
Second acquisition module, is greater than the quantity of the Check point of the first setting threshold value for obtaining temperature value in described preset range pipeline;
Judge module, for judging whether the quantity of the Check point of described acquisition is greater than the second setting threshold value;
Determination module, when the quantity for the Check point when described acquisition is greater than the second setting threshold value, determines that described preset range pipe section air intake is not smooth.
Above-mentioned Fail detecting apparatus, also comprises:
Data processing module, for carrying out data processing to the temperature value of each Check point in described preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
Above-mentioned Fail detecting apparatus, also comprises:
Alarm module, when the quantity for the Check point when described acquisition is greater than the second setting threshold value, carries out flicker and reports to the police in described thermo parameters method figure.
First fault detection method provided by the invention and device obtain the temperature value of each Check point in preset range pipeline, then obtain temperature value in described preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value, finally judge whether the quantity of the Check point of described acquisition is greater than the second setting threshold value, if, then in described preset range pipe section, the flow of high-temperature flue gas is large, determines that the pipeline air intake of described preset range is not smooth.The present invention utilizes the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The schematic flow sheet of the fault detection method of the blower fan undercapacity that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of the fault detection method of the blower fan undercapacity that Fig. 2 provides for the embodiment of the present invention two;
The structural representation of the Fail detecting apparatus of the blower fan undercapacity that Fig. 3 provides for the embodiment of the present invention three;
The structural representation of the Fail detecting apparatus of the blower fan undercapacity that Fig. 4 provides for the embodiment of the present invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Because cast house flue gas has uniform temperature, dust shield mouth temperature can reach more than 200 DEG C, belong to high-temperature flue gas, enter the temperature before deduster also at about 80 DEG C, the temperature feature that the present invention utilizes cast house flue gas to have, provide a kind of fault detection method of blower fan undercapacity, the schematic flow sheet of the method that Fig. 1 provides for the embodiment of the present invention one, the method can comprise:
S101: the temperature value obtaining each Check point in preset range pipeline.
S102: obtain temperature value in preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value.
S103: judge whether the quantity that temperature value in preset range pipeline is greater than the Check point of the first setting threshold value is greater than the second setting threshold value.
S104: if the quantity that in preset range pipeline, temperature value is greater than the Check point of the first setting threshold value is greater than the second setting threshold value, then illustrate that the flow of high-temperature flue gas in preset range pipe section is large, determine that the pipeline air intake of this preset range is not smooth, if the quantity that in preset range pipeline, temperature value is greater than the Check point of the first setting threshold value is less than or equal to the second setting threshold value, then determine that the pipeline air intake of this preset range is unobstructed.
In the present embodiment, the pipeline of prespecified range is a certain section of the ducted pipe network of high temperature fume dust removal and blower fan, certainly, those skilled in the art is easy to learn, the detecting method that other pipe section of the ducted pipe network of high temperature fume dust removal and blower fan also provides by the embodiment of the present invention one carries out the detection of fault.
The fault detection method that the embodiment of the present invention one provides utilizes the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.
Embodiment two
The embodiment of the present invention two provides a kind of fault detection method of blower fan undercapacity, and Fig. 2 is the schematic flow sheet of the method, and the method can comprise:
S201: the temperature value obtaining each Check point in preset range pipeline.
S202: data processing is carried out to the temperature value of Check point each in preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
S203: obtain temperature value in preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value.
S204: judge whether the quantity that temperature value in preset range pipeline is greater than the Check point of the first setting threshold value is greater than the second setting threshold value.
S205: if the quantity that in preset range pipeline, temperature value is greater than the Check point of the first setting threshold value is greater than the second setting threshold value, then in preset range pipe section, the flow of high-temperature flue gas is large, determines that the pipeline air intake of preset range is smooth, then performs step S206; If the quantity that in preset range pipeline, temperature value is greater than the Check point of the first setting threshold value is less than or equal to the second setting threshold value, then determine that the pipeline air intake of preset range is unobstructed.
S206: carry out flicker and report to the police in the thermo parameters method figure corresponding with preset range pipeline.
In the present embodiment, the pipeline of above-mentioned prespecified range is a certain section of the ducted pipe network of high temperature fume dust removal and blower fan, certainly, those skilled in the art is easy to learn, the detecting method that other pipe section of the ducted pipe network of high temperature fume dust removal and blower fan also provides by the embodiment of the present invention two carries out the detection of fault.
In the present embodiment, thermo parameters method figure shows the ducted profiling temperatures of preset range.
In thermo parameters method figure, different colors is adopted to show the temperature of zones of different, such as, the region that in preset range pipeline, temperature value is greater than the first setting threshold value represents by redness, the region that temperature value is less than the first setting threshold value represents by other color, if thermo parameters method figure red area is more, then show that in default pipeline, high-temperature flue gas flow is large, then can determine that this pipeline air intake is not smooth.
The fault detection method that the embodiment of the present invention two provides utilizes the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.In addition, thermo parameters method figure can show the profiling temperatures of default pipeline more intuitively, whether this thermo parameters method figure also can ventilates not smooth basis for estimation as default pipeline, for staff's reference, thus can determine the conduit region that air intake is not smooth more accurately.
Describe method in detail in embodiment disclosed in the invention described above, the device of various ways can be adopted to realize for method of the present invention, therefore present invention also offers two kinds of devices, provide specific embodiment below and be described in detail.
Embodiment three
The embodiment of the present invention three provides a kind of Fail detecting apparatus of blower fan undercapacity, and Fig. 3 is the structural representation of this device, and this Fail detecting apparatus comprises: the first acquisition module 101, second acquisition module 102, judge module 103 and determination module 104.
First acquisition module 101, for obtaining the temperature value of each Check point in preset range pipeline.
Second acquisition module 102, is greater than the quantity of the Check point of the first setting threshold value for obtaining temperature value in preset range pipeline.
Judge module 103, for judging whether the quantity that the temperature value that the second acquisition module 102 obtains is greater than the Check point of the first setting threshold value is greater than the second setting threshold value.
Determination module 104, when the quantity for the Check point being greater than the first setting threshold value when temperature value is greater than the second setting threshold value, determines that preset range pipeline air intake is not smooth.
The Fail detecting apparatus that the embodiment of the present invention three provides utilizes the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.
Embodiment four
The embodiment of the present invention four provides a kind of Fail detecting apparatus of blower fan undercapacity, Fig. 4 is the structural representation of this device, and this Fail detecting apparatus comprises: the first acquisition module 201, data processing module 202, second acquisition module 203, judge module 204, determination module 205 and alarm module 206.
First acquisition module 201, for obtaining the temperature distribution state information of preset range pipeline, wherein, temperature distribution state information comprises the temperature value of each Check point in preset range pipeline.
Data processing module 202, for carrying out data processing to the temperature value of Check point each in preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
Second acquisition module 203, is greater than the quantity of the Check point of the first setting threshold value for obtaining temperature value in preset range pipeline.
Judge module 204, for judging whether the quantity that the temperature value that the second acquisition module 203 obtains is greater than the Check point of the first setting threshold value is greater than the second setting threshold value.
Determination module 205, when the quantity for the Check point being greater than the first setting threshold value when temperature value is greater than the second setting threshold value, determines that preset range pipeline air intake is not smooth.
Alarm module 206, for when preset range pipeline air intake is not smooth, carries out flicker and reports to the police in thermo parameters method figure.
The Fail detecting apparatus that the embodiment of the present invention four provides utilizes the temperature feature of flue gas in pipeline, the temperature value and the temperature value that pass through Check point in obtained pipeline are greater than the quantity setting threshold detection point, judge the pipeline that high-temperature flue gas flow is large, thus be easy to the conduit region of determining that air intake is not smooth accurately, for the operational efficiency improving blower fan further provides foundation.In addition, thermo parameters method figure can show the profiling temperatures of default pipeline more intuitively, whether this thermo parameters method figure also can preset pipeline as judgement and to ventilate not smooth basis for estimation, for staff's reference, thus can determine the conduit region that air intake is not smooth more accurately.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a fault detection method for blower fan undercapacity, is characterized in that, comprising:
Obtain the temperature value of each Check point in preset range pipeline;
Obtain temperature value in described preset range pipeline and be greater than the quantity of the Check point of the first setting threshold value;
Judge whether the quantity of the Check point of described acquisition is greater than the second setting threshold value, if so, then in described preset range pipe section, the flow of high-temperature flue gas is large, determines that the pipeline air intake of described preset range is not smooth.
2. method according to claim 1, is characterized in that, also comprises after the temperature distribution state information of described acquisition preset range pipeline:
Data processing is carried out to the described temperature value stating each Check point in preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
3. method according to claim 2, is characterized in that, when the quantity of the Check point of described acquisition is greater than the second setting threshold value, also comprises:
In described thermo parameters method figure, carry out flicker report to the police.
4. a Fail detecting apparatus for blower fan undercapacity, is characterized in that, comprising:
First acquisition module, for obtaining the temperature distribution state information of preset range pipeline, described temperature distribution state information comprises: the temperature value of each Check point in described preset range pipeline;
Second acquisition module, is greater than the quantity of the Check point of the first setting threshold value for obtaining temperature value in described preset range pipeline;
Judge module, for judging whether the quantity of the Check point of described acquisition is greater than the second setting threshold value;
Determination module, when the quantity for the Check point when described acquisition is greater than the second setting threshold value, determines that described preset range pipe section air intake is not smooth.
5. device according to claim 4, is characterized in that, also comprises:
Data processing module, for carrying out data processing to the temperature value of each Check point in described preset range pipeline, the thermo parameters method figure that generation temperature value and Color pair are answered.
6. device according to claim 5, is characterized in that, also comprises:
Alarm module, when the quantity for the Check point when described acquisition is greater than the second setting threshold value, carries out flicker and reports to the police in described thermo parameters method figure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014599.XA CN103104531B (en) | 2013-01-15 | 2013-01-15 | A kind of fault detection method of blower fan undercapacity and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310014599.XA CN103104531B (en) | 2013-01-15 | 2013-01-15 | A kind of fault detection method of blower fan undercapacity and device |
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| CN103104531A CN103104531A (en) | 2013-05-15 |
| CN103104531B true CN103104531B (en) | 2015-08-12 |
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| CN108490913B (en) * | 2018-03-22 | 2020-12-22 | 深圳市沃特沃德股份有限公司 | Method and device for controlling temperature of vehicle-mounted system |
| CN110107359B (en) * | 2019-05-14 | 2021-05-07 | 安徽理工大学 | Be applied to ventilation monitoring device in coal mine safety production |
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| DE29702431U1 (en) * | 1997-02-12 | 1998-02-12 | Shin Jiuh Corp., Shin-Tien, Taipeh/T'ai-pei | Device for detecting a fan failure with a microprocessor |
| CN1710401A (en) * | 2005-06-17 | 2005-12-21 | 上海宝钢工业检测公司 | Chaotic control method in monitoring on-line state of large centrifugal fan |
| CN201318306Y (en) * | 2008-12-19 | 2009-09-30 | 河南奥鑫合金有限公司 | Automatic frequency-changing speed-regulating system of electric stove environmental-protection dust-removing blower |
| CN102706456A (en) * | 2012-05-07 | 2012-10-03 | 莱芜钢铁集团有限公司 | Online detection method and device of high temperature flue gas dedusting pipeline |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000073043A (en) * | 1999-05-04 | 2000-12-05 | 구자홍 | Fan trouble sensing method for air conditioner |
| JP4269884B2 (en) * | 2003-10-22 | 2009-05-27 | パナソニック株式会社 | vending machine |
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2013
- 2013-01-15 CN CN201310014599.XA patent/CN103104531B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29702431U1 (en) * | 1997-02-12 | 1998-02-12 | Shin Jiuh Corp., Shin-Tien, Taipeh/T'ai-pei | Device for detecting a fan failure with a microprocessor |
| CN1710401A (en) * | 2005-06-17 | 2005-12-21 | 上海宝钢工业检测公司 | Chaotic control method in monitoring on-line state of large centrifugal fan |
| CN201318306Y (en) * | 2008-12-19 | 2009-09-30 | 河南奥鑫合金有限公司 | Automatic frequency-changing speed-regulating system of electric stove environmental-protection dust-removing blower |
| CN102706456A (en) * | 2012-05-07 | 2012-10-03 | 莱芜钢铁集团有限公司 | Online detection method and device of high temperature flue gas dedusting pipeline |
Non-Patent Citations (1)
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| 新型风机快速测温仪在风机中的应用;侯利军等;《风机技术》;20040108(第6期);第15-16页 * |
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Inventor after: Qi Yu Min Inventor after: Zhao Xingyong Inventor after: Du Xianwei Inventor after: Zhang Haigang Inventor after: Lang Dahui Inventor after: Zhang Zuocheng Inventor after: Hu Jiangshan Inventor before: Qi Yu Min Inventor before: Zhao Xingyong Inventor before: Du Xianwei Inventor before: Zhang Haigang Inventor before: Lang Dahui |
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Free format text: CORRECT: INVENTOR; FROM: QI YUMIN ZHAO XINGYONG DU XIANWEI ZHANG HAIGANG LANG DAHUI TO: QI YUMIN ZHAO XINGYONG DU XIANWEI ZHANG HAIGANG LANG DAHUI ZHANG ZUOCHENG HU JIANGSHAN |
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