CN202006068U - Bag-leaking positioning device of pulse dust remover - Google Patents
Bag-leaking positioning device of pulse dust remover Download PDFInfo
- Publication number
- CN202006068U CN202006068U CN2011200600479U CN201120060047U CN202006068U CN 202006068 U CN202006068 U CN 202006068U CN 2011200600479 U CN2011200600479 U CN 2011200600479U CN 201120060047 U CN201120060047 U CN 201120060047U CN 202006068 U CN202006068 U CN 202006068U
- Authority
- CN
- China
- Prior art keywords
- leak
- bag
- pulse
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a bag-leaking positioning device of a pulse dust remover, which has precise positioning and low cost. The pulse dust remover is composed of at least two single chambers, and each single chamber is corresponding to at least two air outlets. The air outlets of the single chambers positioned in the same position are connected to the same one outlet header pipe which is provided with a dust concentration detection probe. Injection devices of each line of filter bags in each single chamber are controlled by same one electromagnetic valve, and each electromagnetic valve is connected with a pulse controller. The positioning device comprises a bag-leaking alarm controller, and the pulse controller and a dust concentration monitoring device respectively transfer a pulse switching signal and a dust concentration signal to the bag-leaking alarm controller. The inner part of the bag-leaking alarm controller is provided with a bag-leaking positioning function module which is used for calculating the pulse switching signal and the dust concentration signal and outputting a bag-leaking positioning signal. The bag-leaking positioning device realizes the accurate bag-breaking positioning function with less detecting equipment, therefore the dust emission is reduced, the service life of cloth bags is reasonably prolonged, and the labor strength of operating personnel is reduced.
Description
Technical field
The utility model relates to a kind of pulse dust collector, especially a kind of positioner of pulse dust collector leak-off pocket.
Background technology
According to the measuring and calculating of State Environmental Protection Administration, the loss that China's environmental pollution is caused accounts for 10% of gross national product, and pollution problem is very serious.Especially electrolytic aluminium is acknowledged as and pollutes the industry big, that consumption of natural resource is big, each aluminium electrolysis enterprise all drops into great amount of manpower, financial resources aspect energy-conservation and control emission at present, attempt to improve the pollution problem and the resource consumption problem of Aluminum Electrolysis Production process, make it become healthy, sustainable development industry.
The main method of existing aluminum smelting technology all adopts the electrolysis molten-salt growth method, for reducing the aluminium electroloysis temperature, need to add fluoride salt, fluoride salt is in pyrolytic and the reaction of airborne water generates, so a large amount of gases such as hydrogen fluoride are arranged in electrolysis flue gas, in order to collect and handle electrolysis flue gas, the existing main aluminium oxide of better characteristic that adopts is made adsorbent, absorption hydrogen fluoride, thereby reach the purpose that purifies flue gas, simultaneously, the aluminium oxide behind the suction fluorine separates by deduster, is sent to electrolytic cell as primary raw material and uses.
General industrial comprises a plurality of single chambers in one line with deduster, each single chamber has an air inlet to enter for dust-contained airflow, usually have two or more air outlets to discharge for the clean gas flow after gathering dust, the air outlet that each single chamber is in same position is connected to same outlet header.According to the difference of deduster specification, thousands of filter bags of hundreds of are arranged generally in each single chamber.
Efficiency of dust collection is a main index of weighing deduster, and tradition is guaranteed dust collector efficiency preferably, all is manually to make regular check on.Yet total ten hundreds of filter bag will check comparatively difficulty of its damage location, and high temperature and high dust atmosphere in the deduster also is unfavorable for long working.
Along with development of science and technology and application, online measuring technique for all kinds of kind of dust that form in the industrial processes is very ripe, all there is the industrial smoke dust concentration online detection instrument that adopts the different principle development various countries, as adopt the Britain LAND dust detector of double turbidimetry technology, adopt the Britain Casella CEL company dust detector of laser defusing measure technology, adopt the U.S. AUBURN dust on-line detecting system of electrostatic induction measuring technique, online detection alarm device of Australia's plateau company's dust or the like, its purposes is mainly the monitoring fume emission, at this moment, only need the dust concentration monitoring device be set each outlet header; Secondly, also this kind equipment can be used for monitoring in real time the dust concentration at the air outlet place of deduster single chamber, find damaged filter bag and change with timely, this just need install the dust concentration monitoring device at each air outlet of deduster single chamber, when detecting the rising of discovery concentration abnormality, then judging in this single chamber has leak-off pocket in the part filter bag corresponding to this air outlet.Because in the single chamber of large-scale deduster hundreds of bar filter bag is arranged usually, this location to leak-off pocket is too rough, use inconvenience, simultaneously, because each single chamber has several air outlets usually, the dust concentration monitoring device platform number that need use is more, and cost is very high.
The utility model content
In order to overcome the accurate inadequately and higher deficiency of cost in existing deduster leak-off pocket location, technical problem to be solved in the utility model provides the more accurate and lower-cost pulse dust collector leak-off pocket positioner in a kind of location.
The technical scheme that its technical problem that solves the utility model adopts is: pulse dust collector leak-off pocket positioner, described pulse dust collector is made up of at least two single chambers, the corresponding air inlet of each single chamber and at least two air outlets, the air outlet that each single chamber is in same position is connected to same outlet header, have in each single chamber and be arranged as a plurality of filter bags that row are arranged, each filter bag correspondence is provided with blowing device, the blowing device of every row filter bag is by same solenoid control, each magnetic valve is connected to impulse controller, in each outlet header, be provided with the detection probe of dust concentration monitoring device, positioner comprises the leak-off pocket alarm controller, impulse controller and dust concentration monitoring device are incited somebody to action pulse switch signal separately respectively, the dust concentration signal is delivered to the leak-off pocket alarm controller, is equipped with pulse switch signal in the leak-off pocket alarm controller, the dust concentration signal carries out computing and exports the leak-off pocket localization function module of leak-off pocket framing signal.
Described leak-off pocket framing signal is a visual alarm signals.
Described dust concentration monitoring device is a dynamic charge induction dust gauge.
Described impulse controller promptly is the leak-off pocket alarm controller.
The beneficial effects of the utility model are: combine by the leak-off pocket localization function module in dust concentration monitoring device, impulse controller and the leak-off pocket alarm controller, realized broken bag positioning function more accurately with less checkout equipment, for operating personnel provide task instruction, thereby reduce dust discharge amount, rationally prolong cloth bag service life, alleviate labor intensity of operating staff.
Description of drawings
Fig. 1 is a principle schematic of the present utility model.
Fig. 2 is the structural representation of pulse dust collector.
Be labeled as 1-filter bag, 2-magnetic valve among the figure, the 3-pulse dust collector, 4-air outlet, 5-outlet header, the 6-detection probe, 7-dust concentration monitoring device, 8-leak-off pocket alarm controller, the 9-impulse controller, 10-auxiliary reclay, 11-one row filter bag, the 31-single chamber, the 32-air inlet, 33-air outlet, 34-row center line.
Fig. 2 hollow core arrow is depicted as the air intake direction, and solid arrow is depicted as air-out direction.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, shown in Figure 2, pulse dust collector 3 is made up of at least two single chambers 31, each single chamber 31 a corresponding air inlet 32 and at least two air outlet 33, the air outlet 33 that each single chamber 31 is in same position is connected to same outlet header 5, have in each single chamber 31 and be arranged as a plurality of filter bags 1 that row are arranged, each filter bag 1 correspondence is provided with blowing device, the blowing device of every row filter bag 1 is by same magnetic valve 2 controls, each magnetic valve 2 is connected to impulse controller 9, in each outlet header 5, be provided with the detection probe 6 of dust concentration monitoring device 7, pulse dust collector leak-off pocket positioner of the present utility model comprises leak-off pocket alarm controller 8, impulse controller 9 and dust concentration monitoring device 7 are incited somebody to action pulse switch signal separately respectively, the dust concentration signal is delivered to leak-off pocket alarm controller 8, is equipped with pulse switch signal in the leak-off pocket alarm controller 8, the dust concentration signal carries out computing and exports the leak-off pocket localization function module of leak-off pocket framing signal.
Its course of work and principle are: impulse controller 9 sends pulse switch signal, and be delivered to blowing device by auxiliary reclay 10, magnetic valve 2, successively each the row filter bag 1 in the single chamber 31 is jetted, lamination is dropped in the dust stratification layer shake of filter bag 1 outside, keep the dust removing effects of filter bag 1.The utility model utilizes pulse switch signal to carry out the leak-off pocket location dexterously: if having leak-off pocket in the row filter bag 1, after the dust stratification layer drops, dust-contained airflow just can not flow out from air outlet by filter bag 1 with hindering, then the winding-up this row filter bag 1 after in short-term in, the detection probe 6 that is installed in air outlet 33 or goes out in the dirt house steward 5 can detect a unusual dust concentration peak, if do not have leak-off pocket in the row filter bag 1, then the dust concentration peak can not occur.Because the time that the dust concentration peak occurs lacks at interval than the winding-up between the two row filter bags 1 usually, which row filter bag 1 this just can judge in according to the appearance on dust concentration peak exists leak-off pocket, and the investigation scope of leak-off pocket is narrowed down to row.The function of the required realization of leak-off pocket localization function module just contrasts according to pulse switch signal and dust concentration signal judges corresponding leak-off pocket position, after above-mentioned principle explanation, those skilled in the art can write control corresponding software easily or control program is realized such location.
Because the control of the filter-bag blowing of deduster is undertaken by row by the chamber usually, and at least two air outlets of each single chamber 31 correspondence 33, the air outlet 33 that each single chamber 31 is in same position is connected to same outlet header 5, so when the detection probe 6 in a certain outlet header 5 detects unusual dust concentration peak, correspondence only is in a certain row filter bag 1 in the single chamber of winding-up state the air-flow of some filter bag 1 and discharges by this outlet header 5, just can further judge is leak-off pocket to have occurred in that group filter bag 1 corresponding to this outlet header 6 in this interior row filter bag 1 of certain single chamber again, further dwindle the investigation scope, reduced the inspection workload.
Compare with existing leak-off pocket positioning means, need only in each outlet header 5, installation and measuring pop one's head in 6, and must be at each air outlet 33 installation and measurings probe 6 of each single chamber 31, reduced cost of equipment, investigation scope with leak-off pocket is contracted to the filter bag quantity of a row filter bag 1 corresponding to same outlet header 5 by the filter bag quantity corresponding to same outlet header 5 in the single chamber 31 simultaneously, has reduced working strength.
For showing the leak-off pocket position intuitively, best described leak-off pocket framing signal is a visual alarm signals, for example, can be that screen shows the position that all respectively organize filter bag 1, the corresponding LED lamp in each position, when detection probe 6 can detect a unusual dust concentration peak, utilize the leak-off pocket localization function module to send signal and light this LED lamp and carry out audible alarm simultaneously, realize visual alarm.
As from the foregoing, the precision positive correlation of leak-off pocket positional accuracy and dust concentration monitoring device 7, for improving the leak-off pocket positional accuracy, described dust concentration monitoring device 7 should be preferably the higher dynamic charge induction dust gauge of precision.
But described impulse controller 9 also double as is installed the leak-off pocket alarm controller 8 of described leak-off pocket localization function module, and soon the dust concentration signal is input in the impulse controller 9 and carries out computing with pulse switch signal, and by impulse controller 9 output leak-off pocket framing signals.Usually, impulse controller 9 can adopt PLC.
Embodiment:
As shown in Figure 2, certain deduster 3 has four single chambers 31, be arranged as row in each single chamber 31 and be furnished with a plurality of filter bags 1, the center line of filter bag 1 is positioned on the vertical guide, each single chamber 31 is provided with an air inlet 32, air inlet 32 is positioned at the bottom of single chamber 31, be provided with five air outlets 35, five air outlets 35 are arranged in order at the single chamber top, the air outlet 35 that each single chamber 31 is in same position is connected to same outlet header 5 again separately, this just each row filter bag of each single chamber 31 1 minute for five groups, the row center line 34 of each row filter bag is vertical with outlet header's 5 axis, and is parallel relation between air intake direction and the row center line 34.
As shown in Figure 1, adopt dynamic charge induction dust gauge as dust concentration monitoring device 7, its measurement category: 0.01mg/m with automatic zero point compensate function
3～999mg/m
3, resolution ratio: 0.01mg/m
3I micrometer grain 0.1um, in each root outlet header 5 of pulse dust collector, all be furnished with relevant detection probe 6, detect in real time, the detection probe 6 that coaxial cable will be distributed in diverse location couples together with dynamic charge induction dust gauge 7, dynamic charge induction dust gauge 7 output dust concentration signals enter PLC9, PLC 9 links to each other with each winding-up magnetic valve 2 by auxiliary reclay 10, the pulse switch signal that the dust concentration signal that real-time monitors and PLC 9 are sent is all sent into the worker and is visited in the machine 8 and compare computing, catching pulse switch signal sends, the respective electrical magnet valve moves back 20 seconds with the highest interior dust concentration value, if the dust concentration value exceeds setting value, then judge in the row filter bag 1 corresponding to this magnetic valve leak-off pocket is arranged, and on leak-off pocket alarm controller 8, the position of this row filter bag is shown in the mode of reporting to the police, thereby realize deduster leak-off pocket positioning function.
Claims (4)
1. pulse dust collector leak-off pocket positioner, described pulse dust collector (3) is made up of at least two single chambers (31), the corresponding air inlet (32) of each single chamber (31) and at least two air outlets (33), the air outlet (33) that each single chamber (31) is in same position is connected to same outlet header (5), have in each single chamber (31) and be arranged as a plurality of filter bags (1) that row are arranged, each filter bag (1) correspondence is provided with blowing device, the blowing device of every row filter bag (1) is controlled by same magnetic valve (2), each magnetic valve (2) is connected to impulse controller (9), in each outlet header (5), be provided with the detection probe (6) of dust concentration monitoring device (7), it is characterized in that: positioner comprises leak-off pocket alarm controller (8), impulse controller (9) and dust concentration monitoring device (7) are incited somebody to action pulse switch signal separately respectively, the dust concentration signal is delivered to leak-off pocket alarm controller (8), and the leak-off pocket alarm controller is equipped with pulse switch signal in (8), the dust concentration signal carries out computing and exports the leak-off pocket localization function module of leak-off pocket framing signal.
2. pulse dust collector leak-off pocket positioner as claimed in claim 1 is characterized in that: described leak-off pocket framing signal is a visual alarm signals.
3. pulse dust collector leak-off pocket positioner as claimed in claim 1 is characterized in that: described dust concentration monitoring device (7) is dynamic charge induction dust gauge.
4. pulse dust collector leak-off pocket positioner as claimed in claim 1 is characterized in that: described impulse controller (9) promptly is leak-off pocket alarm controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600479U CN202006068U (en) | 2011-03-09 | 2011-03-09 | Bag-leaking positioning device of pulse dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200600479U CN202006068U (en) | 2011-03-09 | 2011-03-09 | Bag-leaking positioning device of pulse dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006068U true CN202006068U (en) | 2011-10-12 |
Family
ID=44747732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200600479U Expired - Lifetime CN202006068U (en) | 2011-03-09 | 2011-03-09 | Bag-leaking positioning device of pulse dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202006068U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764550A (en) * | 2012-08-02 | 2012-11-07 | 中冶赛迪工程技术股份有限公司 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
| CN102989242A (en) * | 2012-11-30 | 2013-03-27 | 鞍钢股份有限公司 | Method for detecting damage of dust removal cloth bag |
| CN103849899A (en) * | 2013-05-10 | 2014-06-11 | 洛阳宇航重工机械有限公司 | Forcible dust collection device for electrolyte cleaning system |
| CN103877801A (en) * | 2014-04-14 | 2014-06-25 | 中材装备集团有限公司 | Bag leakage detecting and positioning device and method for pulse bag dust collector |
| CN104443582A (en) * | 2014-12-10 | 2015-03-25 | 秦皇岛燕大源达机电科技股份有限公司 | Damage detection device for Inner bags of large powder packaging bags |
| CN104492184A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Leakage detecting and alarming system of normal-temperature bag-type dust collector |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN105107302A (en) * | 2015-09-18 | 2015-12-02 | 上海西重所重型机械成套有限公司 | Cloth bag leakage detecting device for cloth bag dust collector and leakage detecting method of cloth bag leakage detecting device |
| CN105854438A (en) * | 2016-06-01 | 2016-08-17 | 淮南市宜留机械科技有限公司 | Filter bag locating device of medium efficiency filter based on air supply rate |
| CN107158831A (en) * | 2017-07-18 | 2017-09-15 | 江苏鼎盛滤袋有限公司 | A kind of dedusting filtering bag with damage testing function |
| CN107238475A (en) * | 2017-06-29 | 2017-10-10 | 江苏鼎昇环保科技有限公司 | A kind of bag-type duster filtering bag on-line real time monitoring system |
| CN109682730A (en) * | 2018-11-13 | 2019-04-26 | 北京天凯华尊科技有限公司 | Dirt pocket leak-off pocket detection method and dirt pocket leak-off pocket detection device |
| CN110836839A (en) * | 2018-08-16 | 2020-02-25 | 成都瑞柯林工程技术有限公司 | Dust monitoring method and system and signal processing device |
| CN112362118A (en) * | 2020-10-13 | 2021-02-12 | 成都瑞柯林工程技术有限公司 | Micro-charge induction device, dust removal system and monitoring method, equipment and device thereof |
| CN112525436A (en) * | 2020-12-16 | 2021-03-19 | 浙江大学 | System for detecting damage of filter bag based on charge method and detection method thereof |
| CN114669131A (en) * | 2022-02-28 | 2022-06-28 | 广东韶钢工程技术有限公司 | Device and method for intelligently detecting blockage of bag-type dust collector |
-
2011
- 2011-03-09 CN CN2011200600479U patent/CN202006068U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764550A (en) * | 2012-08-02 | 2012-11-07 | 中冶赛迪工程技术股份有限公司 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
| CN102989242A (en) * | 2012-11-30 | 2013-03-27 | 鞍钢股份有限公司 | Method for detecting damage of dust removal cloth bag |
| CN103849899A (en) * | 2013-05-10 | 2014-06-11 | 洛阳宇航重工机械有限公司 | Forcible dust collection device for electrolyte cleaning system |
| CN103877801B (en) * | 2014-04-14 | 2015-04-22 | 中材装备集团有限公司 | Bag leakage detecting and positioning device and method for pulse bag dust collector |
| CN103877801A (en) * | 2014-04-14 | 2014-06-25 | 中材装备集团有限公司 | Bag leakage detecting and positioning device and method for pulse bag dust collector |
| CN104443582A (en) * | 2014-12-10 | 2015-03-25 | 秦皇岛燕大源达机电科技股份有限公司 | Damage detection device for Inner bags of large powder packaging bags |
| CN104443582B (en) * | 2014-12-10 | 2016-08-24 | 秦皇岛燕大源达机电科技股份有限公司 | Powder body big packaging bag inner bag damage detection device |
| CN104492184A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Leakage detecting and alarming system of normal-temperature bag-type dust collector |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN105107302A (en) * | 2015-09-18 | 2015-12-02 | 上海西重所重型机械成套有限公司 | Cloth bag leakage detecting device for cloth bag dust collector and leakage detecting method of cloth bag leakage detecting device |
| CN105854438A (en) * | 2016-06-01 | 2016-08-17 | 淮南市宜留机械科技有限公司 | Filter bag locating device of medium efficiency filter based on air supply rate |
| CN107238475A (en) * | 2017-06-29 | 2017-10-10 | 江苏鼎昇环保科技有限公司 | A kind of bag-type duster filtering bag on-line real time monitoring system |
| CN107158831A (en) * | 2017-07-18 | 2017-09-15 | 江苏鼎盛滤袋有限公司 | A kind of dedusting filtering bag with damage testing function |
| CN107158831B (en) * | 2017-07-18 | 2018-04-24 | 江苏鼎盛滤袋有限公司 | It is a kind of that there is the dedusting filtering bag of damage testing |
| CN110836839B (en) * | 2018-08-16 | 2022-02-22 | 成都瑞柯林工程技术有限公司 | Dust monitoring method and system and signal processing device |
| CN110836839A (en) * | 2018-08-16 | 2020-02-25 | 成都瑞柯林工程技术有限公司 | Dust monitoring method and system and signal processing device |
| CN109682730A (en) * | 2018-11-13 | 2019-04-26 | 北京天凯华尊科技有限公司 | Dirt pocket leak-off pocket detection method and dirt pocket leak-off pocket detection device |
| CN112362118A (en) * | 2020-10-13 | 2021-02-12 | 成都瑞柯林工程技术有限公司 | Micro-charge induction device, dust removal system and monitoring method, equipment and device thereof |
| WO2022078378A1 (en) * | 2020-10-13 | 2022-04-21 | 成都瑞柯林工程技术有限公司 | Triboelectric instrument, and dust removal system and monitoring method, device, and apparatus therefor |
| CN112362118B (en) * | 2020-10-13 | 2023-04-21 | 成都瑞柯林工程技术有限公司 | Micro-charge induction device, dust removal system, monitoring method, equipment and device thereof |
| CN112525436A (en) * | 2020-12-16 | 2021-03-19 | 浙江大学 | System for detecting damage of filter bag based on charge method and detection method thereof |
| CN114669131A (en) * | 2022-02-28 | 2022-06-28 | 广东韶钢工程技术有限公司 | Device and method for intelligently detecting blockage of bag-type dust collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202006068U (en) | Bag-leaking positioning device of pulse dust remover | |
| CN109270237A (en) | A kind of Monitoring And Analysis of The Quality system based on big data | |
| CN203249846U (en) | PM2.5 monitor with environmental factor correction function | |
| CN108318630B (en) | Urban air quality real-time monitoring system and early warning method | |
| US11035712B2 (en) | Metering system for calculating real-time profit or loss of gas stations | |
| CN103364580A (en) | System and method for multi-point grid on-line flow velocity measurement | |
| CN101614528A (en) | Pipe is to tube vision inspection device | |
| CN202715319U (en) | Flue gas collecting, treating and detecting and controlling system for small-sized sintering furnace | |
| CN103877801B (en) | Bag leakage detecting and positioning device and method for pulse bag dust collector | |
| CN112162309A (en) | Cabinet type air-borne radioactive integrated monitoring device | |
| CN210514221U (en) | Be applied to thermal power plant's carbon dioxide measuring equipment and device | |
| CN201575797U (en) | Pipe-to-pipe visual detection device | |
| CN111238427B (en) | A real-time monitoring method for damage of tower crane tower body steel structure | |
| CN107238475A (en) | A kind of bag-type duster filtering bag on-line real time monitoring system | |
| CN112191043A (en) | Low-cost bag-type dust collector intelligent leakage detection monitoring system | |
| CN101738972A (en) | Test method for detecting monitoring accuracy of on-line coal consumption monitoring system | |
| CN112926826B (en) | Online evaluation method and system for operation state of flue gas dust removal system of iron and steel enterprise | |
| CN201795972U (en) | On-line dust detector | |
| CN201390787Y (en) | Alumina input automatic control device | |
| CN103247231A (en) | Novel environment-friendly LED bus station board | |
| CN216208975U (en) | Early warning and monitoring system for agricultural disaster prevention and reduction prevention | |
| CN1363728A (en) | Method and device for automatically measuring distribution of anode current in Al electrolyzer | |
| CN110458480A (en) | A kind of power plant chemical instruments accuracy online rating system | |
| CN214309741U (en) | Air particulate matter collection device for atmosphere monitoring | |
| CN115601946A (en) | Online monitoring and alarming system for oil quality of steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |