CN102494911A - Device for detecting dedusting effect of electrostatic deduster - Google Patents
Device for detecting dedusting effect of electrostatic deduster Download PDFInfo
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- CN102494911A CN102494911A CN2011103964151A CN201110396415A CN102494911A CN 102494911 A CN102494911 A CN 102494911A CN 2011103964151 A CN2011103964151 A CN 2011103964151A CN 201110396415 A CN201110396415 A CN 201110396415A CN 102494911 A CN102494911 A CN 102494911A
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- stopple coupon
- pipeline
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- dust removing
- electrostatic precipitator
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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 arrester, relate in particular to electrostatic precipitator dust removing effects pick-up unit.
Background technology
The principle of work of electrostatic precipitation is to utilize dust charged and under the electric field force effect, deposit to electrodes for removing dust in electric field.The degree of charge of dust is influenced by the physics of smoke components, dust, chemical property also largely except receiving current field condition influences.Usually; An electric precipitator designs by certain special occasion, but because the influence of 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 big fluctuation possibly take place, if but every fly-ash separator all by the most difficult maximum conditions coal design of gathering dust, then can increase investment of devices greatly.And if design the effect that fearness does not reach desired design according to theoretical value.To this, we need detect through the dust removing effects of dust removing effects on-line measuring device for fly-ash separator in real time.Not only can guarantee that dust removing effects has reached desired value, and when dust removing effects weakens, can send early warning, remind the staff to safeguard immediately.
Relevant fly-ash separator pick-up unit is also arranged in the prior art.Like the patent No. is that 200620072520.4 " a kind of online dust investigating of bag dust collector " and the patent No. are that 200720014354.7 " the online remote detection device of pulse bag type dust collector pulse valve duty " monitored the dust state in the fly-ash separator through the probe and the long distance control system that are installed in the pipeline.But because the flue dust in the pipeline distributes is uneven, so the flue dust information that probe collected of single-point is inaccurate.And the temperature in the 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 influence the accuracy that detects.And existing contrast number is not what test, 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 electrostatic precipitator dust removing effects real-time detection apparatus.Be used for promptly and accurately detecting the dust removing effects of electrostatic precipitator, and can play the effect of warning and FEEDBACK CONTROL.
For reaching said effect; Electrostatic precipitator dust removing effects pick-up unit of the present invention; Comprise first sample tap that is installed on the intake stack, first sampling head is installed in first sample tap, first sampling head connects first air pump; Be connected to analytical equipment through first stopple coupon, wind pipe is provided with second sample tap; In second sample tap sampling head is installed, sampling head connects air pump, is connected to analytical equipment through second stopple coupon, and air pump also connects the 3rd stopple coupon; The 3rd stopple coupon one end connects external environment, and the other end connects analytical equipment, simultaneously the flue gas in first stopple coupon, second stopple coupon and the 3rd stopple coupon is compared analysis through analytical equipment in the analytical equipment.
Preferably, said analytical equipment comprises the laser generator of power match, and first stopple coupon, second stopple coupon and the 3rd stopple coupon are provided with transparent observation port, and corresponding each transparent observation port rear is equipped with tablet, and tablet is connected in the processing computer.Get on the tablet behind the transparent observation port of laser that the laser generator penetrates through stopple coupon.Tablet promptly 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 in analytical equipment, can carry out check and analysis to the flue dust that passes through in first stopple coupon, second stopple coupon and the 3rd stopple coupon simultaneously; Detected effect more accurately; Can gather and store testing result through processing computer; And can in time feed back when unusual when detected data have, impel the related work personnel to overhaul.
Preferably, on first stopple coupon, second stopple coupon and the 3rd stopple coupon transparent observation port for shifting to install.The transparent observation port that shifts to install can further reduce the interference of laser in the testing process, also reduces the influence between the different stopple coupons.
Preferably, said laser generator front end is provided with optical splitter.The laser that can be produced single laser generator through optical splitter carries out even beam split, guarantees simultaneously a plurality of transparent observation ports to be carried out same horizontal detection, improves accuracy of detection.
Preferably, said laser generator is provided with stepper motor, and stepper motor is installed on the guide rail.Because the limitation of on-the-spot installation environment may not necessarily adopt high-power laser generator.Such just can not adopt the mode of beam split to detect, and need to pass through stepper motor, detect before the laser generator is pushed to each different transparent observation ports.Such advantage is to adopt lower powered laser generator to detect, but shortcoming is and can not detects simultaneously three stopple coupons simultaneously.
Preferably, the little stopple coupon of 1-7 root is set on the said sampling head, little stopple coupon is installed on the suspension, is evenly distributed in the pipeline.
Further, internal diameter of the pipeline is during less than 0.8 meter, and little stopple coupon is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter during less than 1.5 meters, and little stopple coupon is 3, is arranged on to be equilateral triangle in the pipeline and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and during less than 3.5 meters, little stopple coupon is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; Internal diameter of the pipeline is during greater than 3.5 meters, and little stopple coupon is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in the pipeline.Such structure has been considered the little stopple coupon location mode under the different situations, has guaranteed the stable and accurate of sampling.
Preferably, the said first stopple coupon length is identical with the distance that second stopple coupon is connected to analytical equipment.The flue gas environmental facies that in stopple coupon, experienced in both sides have seemingly reduced relative error like this.
Preferably, said first sample tap is provided with and is that highly it highly is apart from 1.5 meters on ground that 1.5 meters on fixed distance platform, second sample tap are provided with.The suitable operating personnel of the height that is provided with like this construct and safeguard.
Preferably, the inflow point of said first stopple coupon, second stopple coupon is equipped with the by-pass pipe that connects the 3rd stopple coupon, and said by-pass pipe is provided with flowmeter, also is provided with the qualification valve on the by-pass pipe.Such structure is that flue gas concentration is too high in the flue gas sample that is obtained for fear of first stopple coupon; Cause laser can't be penetrated on the tablet; Need pro rata distribute the clean gas in the 3rd stopple coupon in first stopple coupon and second stopple coupon this moment, reduces because the dilution error that flue gas brought.
Owing to adopted said technical scheme; Electrostatic precipitator dust removing effects pick-up unit of the present invention is through the analysis between first stopple coupon and second stopple coupon; Flue gas in the admission line and the flue gas in the outlet pipe are carried out performance analysis; And introduced the 3rd stopple coupon, promptly the outer flue gas of working environment can not only further be confirmed the dust removing effects of electrostatic precipitator as third party's judgment criteria; And can also assess out the influence that possibly bring to surrounding environment, estimate the effect of dedusting more objectively.When fly-ash separator breaks down, when causing interior flue dust of admission line and the smoke content in the outlet pipe approximate, also can in time report to the police, notify the staff to safeguard.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is the one-piece construction synoptic diagram of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 2 is the A place structure enlarged diagram of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 3 is the analytical equipment structural representation of the employing light-dividing device of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 4 is the analytical equipment structural representation of the employing stepper motor of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 5 is the laterally arrange structural representation of transparent observation port of first stopple coupon, second stopple coupon and the 3rd stopple coupon of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 6 shifts to install the structural representation of transparent observation port for first stopple coupon, second stopple coupon and the 3rd stopple coupon of electrostatic precipitator dust removing effects pick-up unit of the present invention.
Fig. 7 is provided with the distribution schematic diagram of little stopple coupon in caliber is 1.5-3.5 rice for electrostatic precipitator dust removing effects pick-up unit of the present invention.
Embodiment
Embodiment 1:
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 5, the present invention includes in first sample tap, 2, the first sample taps 2 that are installed on the intake stack 1 first sampling head 51 is installed; First sampling head 51 connects first air pump 61; Be connected to analytical equipment 10 through first stopple coupon 7, wind pipe 3 is provided with in second sample tap, 4, the second sample taps 4 second sampling head 52 is installed; Second sampling head 52 connects second air pump 62; Be connected to analytical equipment 10 through second stopple coupon 8, also connect the 3rd stopple coupon 9, the three stopple coupons one end and connect external environment; The other end connects analytical equipments 10 through the 3rd air pump 63, simultaneously the flue gas in first stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9 is compared analysis through analytical equipment in the analytical equipment 10.The 3rd stopple coupon 9 length are 200-300 rice, avoid mixing with indoor environment as far as possible.Simultaneously the flue gas in first stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9 is compared through analytical equipment in the analytical equipment 10 that to analyze said first stopple coupon, 7 length identical with the distance that second stopple coupon 8 is connected to analytical equipment 10.Error when similar structure can reduce both and contrasts.Said first sample tap 2 is provided with and is that highly it highly is apart from 1.5 meters on ground that 1.5 meters on fixed distance platform, second sample tap 4 are provided with, like this handled easily personnel operation.
During work, under the effect of first air pump, 61, the second air pumps 62 and the 3rd air pump 63, first stopple coupon 7, 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 the analytical equipment 10 through analyzing; Said analytical equipment comprises laser generator 11; First stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9 are provided with transparent observation port 12; Corresponding each transparent observation port 12 rear are equipped with tablet 13, and tablet 13 is connected in the processing computer 14.Said laser generator 11 front ends are provided with optical splitter 15.The laser that is produced in the laser generator 11 like this is divided into 3 strands through optical splitter, passes the transparent observation port 12 on first stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9 simultaneously, gets on the tablet 13.Tablet 13 is connected in the processing computer 14, and processing computer 14 goes out the situation of flue dust through the attenuation analysis of laser.So just can carry out Synchronization Analysis to the gas in intake stack 1, wind pipe 3 and the external environment simultaneously.Can not only analyze the dust removing effects of electrostatic precipitator, and can also analyze the influence that gas that wind pipe 3 discharged possibly cause surrounding environment, judge whether and to keep in repair or to promote electrostatic precipitator with this.In case and smoke contents are similar in the intake stack 1, wind pipe 3, electrostatic precipitator forfeiture purifying and dedusting effect just is described, need repairing or change.
In order to ensure the result who detects, being provided with of sampling head is extremely important.The little stopple coupon 17 of 1-7 root is set on the said sampling head, and little stopple coupon 17 is installed on the suspension 18, is evenly distributed in intake stack 1 and the wind pipe 2.As shown in Figure 7, internal diameter of the pipeline is during less than 0.8 meter, and little stopple coupon 17 is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter during less than 1.5 meters, and little stopple coupon 17 is 3, is arranged on to be equilateral triangle in the pipeline and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and during less than 3.5 meters, little stopple coupon 17 is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; Internal diameter of the pipeline is during greater than 3.5 meters, and little stopple coupon 17 is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in the pipeline.So no matter what kind of pipeline can both accurately obtain sampling.
Embodiment 2,
Like Fig. 1, Fig. 2, Fig. 4 and shown in Figure 6, electrostatic precipitator dust removing effects pick-up unit of the present invention comprises first sample tap 2 that is installed on the intake stack 1; First sampling head, 51, the first sampling heads 51 are installed in first sample tap 2 connect first air pump 61, be connected to analytical equipment 10 through first stopple coupon 7; Wind pipe 3 is provided with second sample tap 4; Second sampling head, 52, the second sampling heads 52 are installed in second sample tap 4 connect second air pump 62, be connected to analytical equipment 10 through 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, and the other end connects analytical equipment 10, simultaneously the flue gas in first stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9 are compared analysis through analytical equipment in the analytical equipment 10.Said first stopple coupon, 7 length are identical with the distance that second stopple coupon 8 is connected to analytical equipment 10.Said first sample tap 2 is provided with and is that highly it highly is apart from 1.5 meters on ground that 1.5 meters on fixed distance platform, second sample tap 4 are provided with.
Said analytical equipment comprises that laser generator 11, the first stopple coupons 7, second stopple coupon 8 and the 3rd stopple coupon 9 are provided with transparent observation port 12, and corresponding each transparent observation port 12 rear are equipped with tablet 13, and tablet 13 is connected in the processing computer 14.Transparent observation port 12 is for shifting to install on first stopple coupon 7, second stopple coupon 8 and the 3rd stopple coupon 9.Said laser generator 11 is provided with stepper motor, and stepper motor is installed on the guide rail 16.Such structure is used under the laser generator 11 lower-powered situation.This moment, laser was not easy to beam split, therefore drove the different corresponding transparent observation ports 12 of laser generator 11 irradiations through stepper motor.
In order to ensure the result who detects, being provided with of sampling head 5 is extremely important.The little stopple coupon 17 of 1-7 root is set on the said sampling head 5, and little stopple coupon 17 is installed on the suspension 18, is evenly distributed in intake stack 1 and the wind pipe 2.As shown in Figure 7, internal diameter of the pipeline is during less than 0.8 meter, and little stopple coupon 17 is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter during less than 1.5 meters, and little stopple coupon 17 is 3, is arranged on to be equilateral triangle in the pipeline and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and during less than 3.5 meters, little stopple coupon 17 is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; Internal diameter of the pipeline is during greater than 3.5 meters, and little stopple coupon 17 is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in the pipeline.So no matter what kind of pipeline can both accurately obtain sampling.
It is too big that but the flue gas concentration that first sample tap 2 on the intake stack 1 obtained sometimes may take place, and causes laser to penetrate.Under these circumstances, we need elder generation's dilution flue gas just can accurately sample.The inflow point of therefore said first stopple coupon 7, second stopple coupon 8 is equipped with the by-pass pipe 91 that connects the 3rd stopple coupon 9, and said by-pass pipe 91 is provided with flowmeter 92, also is provided with on the by-pass pipe 91 to limit valve 93.In case analytical equipment 10 finds that the flue gas overrich causes tablet 13 can't obtain laser intelligence like this; Can be through opening the qualification valve 93 that is provided with on the by-pass pipe 91, being input in first stopple coupon 7, second stopple coupon 8 of the environmental gas equal portions of gathering in the 3rd stopple coupon 9 diluted flue gas.By-pass pipe 91 is provided with the diluents ratio that flowmeter 92 ability accurate recordings feed down, supplies analytic system to calculate use.Through such structure, the present invention can not cause detecting inaccurate owing to having diluted flue gas.
The above is merely specific embodiment of the present invention, but architectural feature of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.
Claims (10)
1. electrostatic precipitator dust removing effects pick-up unit; It is characterized in that: comprise first sample tap (2) that is installed on the intake stack (1); First sampling head (51) is installed in first sample tap (2), and first sampling head (51) connects first air pump (61), is connected to analytical equipment (10) through first stopple coupon (7); Wind pipe (3) is provided with second sample tap (4); Second sampling head (52) is installed in second sample tap (4), and second sampling head (52) connects second air pump (62), is connected to analytical equipment (10) through second stopple coupon (8); Also connect the 3rd stopple coupon (9); The 3rd stopple coupon one end connects external environment, and the other end connects analytical equipment (10) through the 3rd air pump (63), simultaneously the flue gas in first stopple coupon (7), second stopple coupon (8) and the 3rd stopple coupon (9) is compared analysis through analytical equipment in the analytical equipment (10).
2. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 1; It is characterized in that: said analytical equipment comprises laser generator (11); First stopple coupon (7), second stopple coupon (8) and the 3rd stopple coupon (9) are provided with transparent observation port (12); Corresponding each transparent observation port (12) rear is equipped with tablet (13), and tablet (13) is connected in the processing computer (14).
3. according to claim 1 or claim 2 electrostatic precipitator dust removing effects pick-up unit, it is characterized in that: first stopple coupon (7), second stopple coupon (8) and the 3rd stopple coupon (9) are gone up transparent observation port (12) for shifting to install.
4. according to claim 1 or claim 2 electrostatic precipitator dust removing effects pick-up unit, it is characterized in that: said laser generator (11) front end is provided with optical splitter (15).
5. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 3 is characterized in that: said laser generator (11) is provided with stepper motor, and stepper motor is installed on the guide rail (16).
6. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 1; It is characterized in that: the little stopple coupon of 1-7 root (17) is set on the said sampling head (5); Little stopple coupon (17) is installed on the suspension (18), is evenly distributed in intake stack (1) and the wind pipe (2).
7. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 6 is characterized in that: internal diameter of the pipeline is during less than 0.8 meter, and little stopple coupon (17) is 1, is arranged on the pipeline center; Internal diameter of the pipeline is greater than 0.8 meter during less than 1.5 meters, and little stopple coupon (17) is 3, is arranged on to be equilateral triangle in the pipeline and to distribute; Internal diameter of the pipeline is greater than 1.5 meters, and during less than 3.5 meters, little stopple coupon (17) is 5, and one is arranged on the pipeline center, and all the other are square profile in pipeline; Internal diameter of the pipeline is during greater than 3.5 meters, and little stopple coupon (17) is 7, and one is arranged on the pipeline center, and all the other are regular hexagon and are distributed in the pipeline.
8. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 1 is characterized in that: said first stopple coupon (7) length is identical with the distance that second stopple coupon (8) is connected to analytical equipment (10).
9. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 1 is characterized in that: said first sample tap (2) is provided with and is that highly it highly is apart from 1.5 meters on ground that 1.5 meters on fixed distance platform, second sample tap (4) are provided with.
10. electrostatic precipitator dust removing effects pick-up unit as claimed in claim 1; It is characterized in that: the inflow point of said first stopple coupon (7), second stopple coupon (8) is equipped with the by-pass pipe (91) that connects the 3rd stopple coupon (9); Said by-pass pipe (91) is provided with flowmeter (92), also is provided with on the by-pass pipe (91) to limit valve (93).
Priority Applications (1)
| 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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| 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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| CN102494911A true CN102494911A (en) | 2012-06-13 |
| CN102494911B 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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Cited By (4)
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| CN104155126A (en) * | 2013-05-13 | 2014-11-19 | 珠海格力电器股份有限公司 | Dedusting efficiency detecting device and method of electrostatic dust collector |
| CN104764682A (en) * | 2015-03-04 | 2015-07-08 | 盐城工学院 | Laboratory flue gas treatment evaluation research 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155126A (en) * | 2013-05-13 | 2014-11-19 | 珠海格力电器股份有限公司 | Dedusting efficiency detecting device and method of electrostatic dust collector |
| CN104764682A (en) * | 2015-03-04 | 2015-07-08 | 盐城工学院 | Laboratory flue gas treatment evaluation research platform |
| 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 |
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| CN102494911B (en) | 2013-12-11 |
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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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Granted publication date: 20131211 Termination date: 20161202 |