CN102494911B - Device for detecting dedusting effect of electrostatic deduster - Google Patents
Device for detecting dedusting effect of electrostatic deduster Download PDFInfo
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- CN102494911B CN102494911B CN2011103964151A CN201110396415A CN102494911B CN 102494911 B CN102494911 B CN 102494911B CN 2011103964151 A CN2011103964151 A CN 2011103964151A CN 201110396415 A CN201110396415 A CN 201110396415A CN 102494911 B CN102494911 B CN 102494911B
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- stopple coupon
- pipeline
- dedusting effect
- detecting
- electrostatic deduster
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Abstract
The invention aims at providing a device for detecting dedusting effect of an electrostatic deduster, which is used for accurately detecting the dedusting effect of the electrostatic deduster in real time and can have a feedback control function. In order to achieve the effect, the device for detecting the dedusting effect of the electrostatic deduster comprises a first sampling opening installed on an air inlet pipeline, a second sampling opening arranged on the air outlet pipeline and gas for detecting outside environment. By means of the technical scheme and the analysis between a first sampling pipe and a second sampling pipe, the device for detecting the dedusting effect of the electrostatic deduster performs dynamic analysis on smoke in a gas inlet pipeline and smoke in a gas outlet pipeline. In addition, working environment smoke is introduced to serve as a third party evaluation standard so as to further determine the dedusting effect of the electrostatic deduster, estimate influence on the surrounding environment and evaluate the dedusting effect objectively.
Description
Technical field
The present invention relates to a kind of Environmental-protection dust removal device, relate in particular to device for detecting dedusting effect of electrostatic deduster.
Background technology
The principle of work of electrostatic precipitation is to utilize dust charged and deposit to electrodes for removing dust under the electric field force effect in electric field.The degree of charge of dust current field condition affects, is affected by the physics of smoke components, dust, chemical property also largely except being subject to.Usually, an electric precipitator is designed by certain special occasions, but the impact due to a variety of causes, the working condition of electrostatic precipitator is very different, therefore, cause the efficiency of dust collection of fly-ash separator that very large fluctuation may occur, if but every fly-ash separator all by the most difficult maximum conditions coal design of gathering dust, can greatly increase the investment of equipment.And if design according to theoretical value the effect that fearness does not reach desired design.To this, we need to detect by the dust removing effects for fly-ash separator in real time by the dust removing effects on-line measuring device.Not only can guarantee that dust removing effects has reached desired value, and can send early warning when dust removing effects weakens, remind the staff immediately to be safeguarded.
Relevant fly-ash separator pick-up unit is also arranged in prior art.As the patent No. be 200620072520.4 " a kind of online dust investigating of bag dust collector " and the patent No. be 200720014354.7 " the online remote detection device of impulse bag-type dust remover impulse valve working order " by being arranged on probe in pipeline and long distance control system to the dust monitoring state in fly-ash separator.But because the flue dust in pipeline distributes, be inhomogeneous, so the flue dust information that the probe of single-point collects is inaccurate.And the temperature in flue is very high, and high temperature can impact the sensitivity of probe, even be provided with the high-temperature insulation body, still can further affect the accuracy detected.And existing contrast number is not that test is arrived, but calculate.The error of such theoretical value is relatively large, is difficult to reflect real dust removing effects.
Summary of the invention
The purpose of this invention is to provide a kind of dedusting effect of electrostatic deduster real-time detection apparatus.For promptly and accurately detecting the dust removing effects of electrostatic precipitator, and can play the effect of warning and FEEDBACK CONTROL.
For reaching described effect, device for detecting dedusting effect of electrostatic deduster of the present invention, comprise the first sample tap be arranged on intake stack, the first sampling head is installed in the first sample tap, the first sampling head connects the first air pump, be connected to analytical equipment by the first stopple coupon, wind pipe is provided with the second sample tap; In the second sample tap, sampling head is installed, sampling head connects air pump, by the second stopple coupon, is connected to analytical equipment, and air pump also connects the 3rd stopple coupon; The 3rd stopple coupon one end connects external environment, and other end linking parsing device is analyzed the flue gas in the first stopple coupon, the second stopple coupon and the 3rd stopple coupon by analytical equipment in analytical equipment simultaneously.
Preferably, described analytical equipment comprises the laser generator of power match, on the first stopple coupon, the second stopple coupon and the 3rd stopple coupon, is provided with transparent observation port, and corresponding each transparent observation port rear is equipped with tablet, and tablet is connected to be processed in computer.After the transparent observation port of laser by stopple coupon that the laser generator penetrates, get on tablet.Tablet connects computer, for the weak flue dust distribution situation that analyzes of laser.Analytical equipment can be installed and used after demarcating by the dust determination method.Use is can detect analysis to the flue dust passed through in the first stopple coupon, the second stopple coupon and the 3rd stopple coupon in analytical equipment simultaneously, obtain detecting more accurately effect, can be gathered and be stored testing result by processing computer, and can feed back in time when detected data have when abnormal, impel the relevant staff to be overhauled.
Preferably, on the first stopple coupon, the second stopple coupon and the 3rd stopple coupon transparent observation port for shifting to install.The transparent observation port shifted to install can further reduce the interference of laser in testing process, also reduces the impact between different stopple coupons.
Preferably, described laser generator front end is provided with optical splitter.The laser that can produce single laser generator by optical splitter carries out even light splitting, guarantees a plurality of transparent observation ports to be carried out to the same level detection simultaneously, improves accuracy of detection.
Preferably, described laser generator is provided with stepper motor, and stepper motor is arranged on guide rail.Due to the limitation of on-the-spot installation environment, may not necessarily adopt high-power laser generator.Just can not adopt the mode of light splitting to be detected like that, and need by stepper motor, be detected before the laser generator is pushed to each different transparent observation ports.Such advantage is to adopt lower powered laser generator to be detected, but shortcoming is to three stopple coupons, to be detected simultaneously simultaneously.
Preferably, the micro-stopple coupon of 1-7 root is set on described sampling head, micro-stopple coupon is arranged on suspension, is evenly distributed in pipeline.
Further, when internal diameter of the pipeline is less than 0.8 meter, micro-stopple coupon is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter while being less than 1.5 meters, and micro-stopple coupon is 3, is arranged in pipeline to be equilateral triangle and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and while being less than 3.5 meters, micro-stopple coupon is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; When internal diameter of the pipeline is greater than 3.5 meters, micro-stopple coupon is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in pipeline.Such structure has been considered the micro-stopple coupon location mode under different situations, has guaranteed the stable and accurate of sampling.
Preferably, described the first stopple coupon length is identical with the distance that the second stopple coupon is connected to analytical equipment.The environmental facies that the both sides flue gas experiences in stopple coupon so seemingly, have reduced relative error.
Preferably, it is highly apart from 1.5 meters of stationary platforms that described the first sample tap arranges, and it is highly apart from 1.5 meters, ground that the second sample tap arranges.The height arranged like this is applicable to operating personnel and is constructed and safeguard.
Preferably, the inflow point of described the first stopple coupon, the second stopple coupon is equipped with the by-pass pipe that connects the 3rd stopple coupon, and described by-pass pipe is provided with flowmeter, also is provided with the restriction valve on by-pass pipe.Such structure is that in the flue gas sample obtained for fear of the first stopple coupon, flue gas concentration is too high, cause laser can't be penetrated on tablet, now need the clean gas in the 3rd stopple coupon is pro rata distributed in the first stopple coupon and the second stopple coupon, reduce the error of bringing due to the dilution flue gas.
Owing to having adopted described technical scheme, device for detecting dedusting effect of electrostatic deduster of the present invention is by the analysis between the first stopple coupon and the second stopple coupon, flue gas in admission line and the flue gas in outlet pipe are carried out to performance analysis, and introduced the 3rd stopple coupon, be that the outer flue gas of working environment is as third party's judgment criteria, can not only further determine the dust removing effects of electrostatic precipitator, and can also evaluate the impact that may bring surrounding environment, estimate more objectively the effect of dedusting.When fly-ash separator breaks down, while causing flue dust in admission line and the smoke content in outlet pipe approximate, also can and alarm, notify the staff to safeguard.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
The one-piece construction schematic diagram that Fig. 1 is device for detecting dedusting effect of electrostatic deduster of the present invention.
The A place structure enlarged diagram that Fig. 2 is device for detecting dedusting effect of electrostatic deduster of the present invention.
The analytical equipment structural representation of the employing light-dividing device that Fig. 3 is device for detecting dedusting effect of electrostatic deduster of the present invention.
The analytical equipment structural representation of the employing stepper motor that Fig. 4 is device for detecting dedusting effect of electrostatic deduster of the present invention.
Be arranged in parallel the structural representation of transparent observation port of the first stopple coupon that Fig. 5 is device for detecting dedusting effect of electrostatic deduster of the present invention, the second stopple coupon and the 3rd stopple coupon.
The first stopple coupon that Fig. 6 is device for detecting dedusting effect of electrostatic deduster of the present invention, the second stopple coupon and the 3rd stopple coupon shift to install the structural representation of transparent observation port.
Fig. 7 is that device for detecting dedusting effect of electrostatic deduster of the present invention arranges the distribution schematic diagram of micro-stopple coupon in caliber is 1.5-3.5 rice.
Embodiment
Embodiment 1:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 5, the present invention includes the first sample tap 2 be arranged on intake stack 1, the first sampling head 51 is installed in the first sample tap 2, the first sampling head 51 connects the first air pump 61, be connected to analytical equipment 10 by the first stopple coupon 7, wind pipe 3 is provided with the second sample tap 4, the second sampling head 52 is installed in the second sample tap 4, the second sampling head 52 connects the second air pump 62, be connected to analytical equipment 10 by the second stopple coupon 8, also connect the 3rd stopple coupon 9, the 3rd stopple coupon one end connects external environment, the other end is by the 3rd air pump 63 linking parsing devices 10, pass through analytical equipment in analytical equipment 10 simultaneously to the first stopple coupon 7, flue gas in the second stopple coupon 8 and the 3rd stopple coupon 9 is analyzed.The 3rd stopple coupon 9 length are 200-300 rice, avoid mixing with indoor environment as far as possible.Flue gas in the first stopple coupon 7, the second stopple coupon 8 and the 3rd stopple coupon 9 is analyzed to described the first stopple coupon 7 length by analytical equipment in analytical equipment 10 identical with the distance that the second stopple coupon 8 is connected to analytical equipment 10 simultaneously.Error when similar structure can reduce both and contrasts.It is highly apart from 1.5 meters of stationary platforms that described the first sample tap 2 arranges, and it is highly apart from 1.5 meters, ground that the second sample tap 4 arranges, handled easily personnel operation like this.
During work, under the effect of the first air pump 61, the second air pumps 62 and the 3rd air pump 63, the first stopple coupon 7, the second stopple coupon 8 and the 3rd stopple coupon 9 obtain smoke sampling respectively from intake stack 1, wind pipe 3 and external environment.And flue gas is delivered in analytical equipment 10 by being analyzed, described analytical equipment comprises laser generator 11, be provided with transparent observation port 12 on the first stopple coupon 7, the second stopple coupon 8 and the 3rd stopple coupon 9, corresponding each transparent observation port 12 rear are equipped with tablet 13, and tablet 13 is connected to be processed in computer 14.Described laser generator 11 front ends are provided with optical splitter 15.The laser produced in laser generator 11 like this is divided into 3 strands by optical splitter, through the transparent observation port 12 on the first stopple coupon 7, the second stopple coupon 8 and the 3rd stopple coupon 9, gets on tablet 13 simultaneously.Tablet 13 is connected to be processed in computer 14, processes computer 14 and goes out the situation of flue dust by the attenuation analysis of laser.So just can carry out Synchronization Analysis to the gas in intake stack 1, wind pipe 3 and external environment simultaneously.Can not only analyze the dust removing effects of electrostatic precipitator, and can also analyze the impact that gas that wind pipe 3 discharges may cause surrounding environment, judge whether to be keeped in repair or to promote electrostatic precipitator with this.Once and intake stack 1, the interior smoke content of wind pipe 3 are similar, just illustrate that electrostatic precipitator loses the purifying and dedusting effect, need repairing or change.
In order to ensure the result detected, arranging of sampling head is extremely important.The micro-stopple coupon 17 of 1-7 root is set on described sampling head, and micro-stopple coupon 17 is arranged on suspension 18, is evenly distributed in intake stack 1 and wind pipe 2.As shown in Figure 7, when internal diameter of the pipeline is less than 0.8 meter, micro-stopple coupon 17 is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter while being less than 1.5 meters, and micro-stopple coupon 17 is 3, is arranged in pipeline to be equilateral triangle and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and while being less than 3.5 meters, micro-stopple coupon 17 is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; When internal diameter of the pipeline is greater than 3.5 meters, micro-stopple coupon 17 is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in pipeline.So no matter what kind of pipeline, can sample by Obtaining Accurate.
As Fig. 1, Fig. 2, shown in Fig. 4 and Fig. 6, device for detecting dedusting effect of electrostatic deduster of the present invention, comprise the first sample tap 2 be arranged on intake stack 1, the first sampling head 51 is installed in the first sample tap 2, the first sampling head 51 connects the first air pump 61, be connected to analytical equipment 10 by the first stopple coupon 7, wind pipe 3 is provided with the second sample tap 4, the second sampling head 52 is installed in the second sample tap 4, the second sampling head 52 connects the second air pump 62, be connected to analytical equipment 10 by the second stopple coupon 8, the 3rd air pump 63 connects the 3rd stopple coupon 9, the 3rd stopple coupon 9 one ends connect external environment, other end linking parsing device 10, pass through analytical equipment in analytical equipment 10 simultaneously to the first stopple coupon 7, flue gas in the second stopple coupon 8 and the 3rd stopple coupon 9 is analyzed.Described the first stopple coupon 7 length are identical with the distance that the second stopple coupon 8 is connected to analytical equipment 10.It is highly apart from 1.5 meters of stationary platforms that described the first sample tap 2 arranges, and it is highly apart from 1.5 meters, ground that the second sample tap 4 arranges.
Described analytical equipment comprises on laser generator 11, the first stopple coupons 7, the second stopple coupon 8 and the 3rd stopple coupon 9 and is provided with transparent observation port 12, and corresponding each transparent observation port 12 rear are equipped with tablet 13, and tablet 13 is connected to be processed in computer 14.On the first stopple coupon 7, the second stopple coupon 8 and the 3rd stopple coupon 9, transparent observation port 12 is for shifting to install.Described laser generator 11 is provided with stepper motor, and stepper motor is arranged on guide rail 16.Such structure is in the lower-powered situation of laser generator 11.Now laser is not easy to light splitting, therefore by stepper motor, drives laser generator 11 and irradiates different corresponding transparent observation ports 12.
In order to ensure the result detected, arranging of sampling head 5 is extremely important.The micro-stopple coupon 17 of 1-7 root is set on described sampling head 5, and micro-stopple coupon 17 is arranged on suspension 18, is evenly distributed in intake stack 1 and wind pipe 2.As shown in Figure 7, when internal diameter of the pipeline is less than 0.8 meter, micro-stopple coupon 17 is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter while being less than 1.5 meters, and micro-stopple coupon 17 is 3, is arranged in pipeline to be equilateral triangle and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and while being less than 3.5 meters, micro-stopple coupon 17 is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; When internal diameter of the pipeline is greater than 3.5 meters, micro-stopple coupon 17 is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in pipeline.So no matter what kind of pipeline, can sample by Obtaining Accurate.
It is too large that but the obtained flue gas concentration of the first sample tap 2 on intake stack 1 sometimes may occur, and causes laser to penetrate.Under these circumstances, we need to first dilute flue gas and just can accurately sample.Therefore the inflow point of described the first stopple coupon 7, the second stopple coupon 8 is equipped with the by-pass pipe 91 that connects the 3rd stopple coupon 9, and described by-pass pipe 91 is provided with flowmeter 92, also is provided with on by-pass pipe 91 and limits valve 93.Once analytical equipment 10 finds that the flue gas overrich causes tablet 13 can't obtain laser intelligence like this, the restriction valve 93 that can be provided with by opening by-pass pipe 91, diluted being input in the first stopple coupon 7, the second stopple coupon 8 of environmental gas equal portions gathered in the 3rd stopple coupon 9 to flue gas.By-pass pipe 91 is provided with the diluents ratio passed under flowmeter 92 energy accurate recordings, for analytic system, calculates.By such structure, the present invention can not cause detecting inaccurate owing to having diluted flue gas.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification all are encompassed among the scope of the claims of the present invention.
Claims (7)
1. device for detecting dedusting effect of electrostatic deduster, it is characterized in that: comprise the first sample tap (2) be arranged on intake stack (1), the first sampling head (51) is installed in the first sample tap (2), the first sampling head (51) connects the first air pump (61), be connected to analytical equipment (10) by the first stopple coupon (7), wind pipe (3) is provided with the second sample tap (4), the second sampling head (52) is installed in the second sample tap (4), the second sampling head (52) connects the second air pump (62), be connected to analytical equipment (10) by the second stopple coupon (8), also connect the 3rd stopple coupon (9), the 3rd stopple coupon one end connects external environment, the other end is by the 3rd air pump (63) linking parsing device (10), by analytical equipment (10) simultaneously to the first stopple coupon (7), flue gas in the second stopple coupon (8) and the 3rd stopple coupon (9) is analyzed, described analytical equipment comprises laser generator (11), the first stopple coupon (7), be provided with transparent observation port (12) on the second stopple coupon (8) and the 3rd stopple coupon (9), corresponding each transparent observation port (12) rear is equipped with tablet (13), tablet (13) is connected to be processed in computer (14), the first stopple coupon (7), the upper transparent observation port (12) of the second stopple coupon (8) and the 3rd stopple coupon (9) is for shifting to install, described laser generator (11) is provided with stepper motor, stepper motor is arranged on guide rail (16).
2. device for detecting dedusting effect of electrostatic deduster as claimed in claim 1, it is characterized in that: described laser generator (11) front end is provided with optical splitter (15).
3. device for detecting dedusting effect of electrostatic deduster as claimed in claim 1, it is characterized in that: on described the first sampling head (51) and the second sampling head (52), the micro-stopple coupon of 1-7 root (17) all is set, it is upper that micro-stopple coupon (17) is arranged on suspension (18), is evenly distributed in intake stack (1) and wind pipe (2).
4. device for detecting dedusting effect of electrostatic deduster as claimed in claim 3, it is characterized in that: when internal diameter of the pipeline is less than 0.8 meter, micro-stopple coupon (17) is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter while being less than 1.5 meters, and micro-stopple coupon (17) is 3, is arranged in pipeline to be equilateral triangle and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and while being less than 3.5 meters, micro-stopple coupon (17) is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; When internal diameter of the pipeline is greater than 3.5 meters, micro-stopple coupon (17) is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in pipeline.
5. device for detecting dedusting effect of electrostatic deduster as claimed in claim 1 is characterized in that: described the first stopple coupon (7) length is identical with the distance that the second stopple coupon (8) is connected to analytical equipment (10).
6. device for detecting dedusting effect of electrostatic deduster as claimed in claim 1 is characterized in that: described the first sample tap (2) arranges highly as apart from 1.5 meters of stationary platforms, and it is highly apart from 1.5 meters, ground that the second sample tap (4) arranges.
7. device for detecting dedusting effect of electrostatic deduster as claimed in claim 1, it is characterized in that: the inflow point of described the first stopple coupon (7), the second stopple coupon (8) is equipped with the by-pass pipe (91) that connects the 3rd stopple coupon (9), described by-pass pipe (91) is provided with flowmeter (92), also is provided with on by-pass pipe (91) and limits valve (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103964151A CN102494911B (en) | 2011-12-02 | 2011-12-02 | Device for detecting dedusting effect of electrostatic deduster |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103964151A CN102494911B (en) | 2011-12-02 | 2011-12-02 | Device for detecting dedusting effect of electrostatic deduster |
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| CN102494911A CN102494911A (en) | 2012-06-13 |
| CN102494911B true CN102494911B (en) | 2013-12-11 |
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| CN2011103964151A Expired - Fee Related CN102494911B (en) | 2011-12-02 | 2011-12-02 | Device for detecting dedusting effect of electrostatic deduster |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155126B (en) * | 2013-05-13 | 2018-07-03 | 珠海格力电器股份有限公司 | The efficiency of dust collection detection device and detection method of electrostatic precipitator |
| CN104764682B (en) * | 2015-03-04 | 2018-04-17 | 盐城工学院 | A kind of laboratory smoke gas disposal evaluation study platform |
| CN104941801A (en) * | 2015-06-26 | 2015-09-30 | 上海纳米技术及应用国家工程研究中心有限公司 | Detecting device for evaluating dust collection efficiency of electrostatic dust collector |
| CN109696334A (en) * | 2018-04-28 | 2019-04-30 | 中电华创电力技术研究有限公司 | It is a kind of to synchronize the combined flue gas sampling device of multitube for carrying out smoke temperature sampling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29908215U1 (en) * | 1999-05-07 | 1999-08-12 | Dräger Sicherheitstechnik GmbH, 23560 Lübeck | Gas sampling device |
| CN2709976Y (en) * | 2004-07-13 | 2005-07-13 | 郑州市光力科技发展有限公司 | Integral device for powder sampling and investigating |
| CN101358956A (en) * | 2007-08-01 | 2009-02-04 | 中国科学院金属研究所 | Experimental apparatus for testing adsorption effect of electrostatic dust collection materials |
| CN100557408C (en) * | 2007-10-08 | 2009-11-04 | 西安电子科技大学 | Fume emission on-line continuous detecting system sampling apparatus |
| CN202793816U (en) * | 2011-12-02 | 2013-03-13 | 蒋敏 | Device for detecting dedusting effect of electrostatic deduster |
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Application publication date: 20120613 Assignee: Jinhua Huadong Environmental Protection Technology Co., Ltd. Assignor: Jiang Min Contract record no.: 2014330000001 Denomination of invention: Device for detecting dedusting effect of electrostatic deduster Granted publication date: 20131211 License type: Exclusive License Record date: 20140103 |
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Application publication date: 20120613 Assignee: Jinhua Huadong Environmental Protection Technology Co., Ltd. Assignor: Jiang Min Contract record no.: 2014330000001 Denomination of invention: Device for detecting dedusting effect of electrostatic deduster Granted publication date: 20131211 License type: Exclusive License Record date: 20140103 |
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