CN203606155U - Performance test system for air filter for general ventilation - Google Patents
Performance test system for air filter for general ventilation Download PDFInfo
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- CN203606155U CN203606155U CN201320704777.7U CN201320704777U CN203606155U CN 203606155 U CN203606155 U CN 203606155U CN 201320704777 U CN201320704777 U CN 201320704777U CN 203606155 U CN203606155 U CN 203606155U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 29
- 238000011056 performance test Methods 0.000 title claims description 15
- 239000000443 aerosol Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses an air cleaner capability test system for general ventilation, take place mixing unit, filter test unit, air flow measurement unit, the unit of airing exhaust including new trend unit, the aerosol of establishing ties in proper order, still include the return air unit that also takes place mixing unit with the aerosol and link to each other. The utility model discloses a test system not only can measure general ventilation air cleaner's combination performance, can also measure air cleaner and filter PM2.5 and PM 10's performance.
Description
Technical field
The utility model belongs to air strainer technical field of performance test, and particularly a kind of general ventilation used air strainer Performance Test System.
Background technology
General ventilation comprises low efficient filter, medium effeciency filter, high-medium efficient filtrator and inferior high efficiency filter four classes with air strainer.They in air conditioner ventilating system, can protect ventilation equipment and parts, extension device as the serviceable life of high efficiency particulate air filter, strengthen the long-term heat exchange property of heat interchanger, reduce or delay the postrun secondary pollution of air-conditioning system.Although they have certain importance, people are not high for their attention degree.Comparatively speaking, people pay much attention to high efficiency particulate air filter and super high efficient filter, because they are as the air-supply end in toilet, the cleanliness factor in toilet are played to vital effect.Not only the filtrate of high efficiency particulate air filter and super high efficient filter is carried out to performance test, and to high efficiency particulate air filter and super high efficient filter overall performance, especially easy penetrating efficiency is carried out test bed testing for this reason.In addition, also strengthen factory dispatch from the factory leak detection and on-the-spot leak detection work.It is pointed out that the actual performance of high efficiency particulate air filter and super high efficient filter will be subject to great impact so if there is no suitable general ventilation air strainer.
At present, China is inadequate by the performance attention degree of filtrator to general ventilation, is mainly evaluation and the method for testing in default of corresponding testing standard and test macro and science.The GB GB/T14295 " air strainer " promulgating for 2008 stipulates by the Performance Detection of air strainer general ventilation, has wherein adopted the heavy Efficiency Method of manmade dust meter and manmade dust counting efficiency method.In addition, Chinese utility model patent " Full serial air filter property detector " (application number: 03257991.8, open day: 2004.4.18) " general ventilation with the detection of air strainer " and " detection of high efficiency particle air filter " are combined, by adopt special fixed support in air channel, can in same test macro, detect the filtrator of different size specification.But in GB GB/T14295 and above-mentioned patent, all do not consider how to evaluate and measure the performance characteristics of general ventilation air strainer filtration PM2.5 and PM10.GB GB/T14295 and above-mentioned patent only consider single filtrator to measure simultaneously, do not evaluate and measuring method with the composite behaviour of air strainer for general ventilation.
Utility model content
The purpose of this utility model is to provide a kind of general ventilation to use air strainer Performance Test System, not only can measure with the composite behaviour of air strainer general ventilation, can also measure the performance characteristics of air strainer filtration PM2.5 and PM10.
The technical solution that realizes the utility model object is: a kind of general ventilation used air strainer Performance Test System, comprise new wind unit, gasoloid generation mixed cell, filter test unit, airflow measurement unit, the air exhaust units of series connection successively, also comprise the return air unit being also connected with gasoloid generation mixed cell, described new wind unit comprises the new wind low efficient filter of being connected successively by airduct, new wind medium effeciency filter, new wind high efficiency particulate air filter, surface exchanger, humidifier and new air-valve;
Described return air unit comprises air returning valve and the return air high efficiency particulate air filter of being connected successively by airduct;
Described colloidal sol generation mixed cell comprises gasoloid mixed cabin and is placed in the mixing blower fan in gasoloid mixed cabin;
Described filter test unit comprises the tested low efficient filter of being connected successively by airduct, tested medium effeciency filter, tested high efficiency particulate air filter;
The first entrance of described gasoloid mixed cabin is connected with the outlet of new air-valve, and its second entrance is connected with the outlet of return air high efficiency particulate air filter, and the outlet of gasoloid mixed cabin is connected with the entrance of tested low efficient filter;
Described airflow measurement unit comprises the Venturi meter being placed in airduct;
Described air exhaust units comprises exhaust blower.
The utility model compared with prior art, its remarkable advantage:
1, low efficient filter, medium effeciency filter and the high efficiency particulate air filter on external environment air-treatment pipeline is all dismountable, can obtain like this performance characteristics of general ventilation air strainer filtration real atmosphere dirt.
2, outdoor air, after overheated wet process, can be combined the rotating speed of blower fan, obtains the air-flow of different humitures and air pressure, can measure like this strainability of general ventilation air strainer under varying environment Parameter Conditions.
3,, by indoor air channel is set, can measure the clean-up effect of general ventilation air strainer to indoor particle thing.
4, native system can be measured the airfiltering combined effect of general ventilation.
5, measure the laser particle counter of particle diameter shelves, the heavy concentration air quality instrument of meter with PM2.5 and PM10 cutting head and poidometer by employing, not only can obtain the classification efficiency of general ventilation air strainer, and can obtain the heavy efficiency of its meter and PM2.5, PM10 filtration efficiency.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the utility model generally ventilates with the structural representation of air strainer Performance Test System.
In figure: 1 new wind unit, 2 gasoloid generation mixed cells, 3 filter test unit, 4 airflow measurement unit, 5 air exhaust units, 6 return air unit, 7 control modules,
11 new wind low efficient filters, 12 new wind medium effeciency filters, 13 new wind high efficiency particulate air filters, 14 surface exchangers, 15 humidifiers, 16 new air-valves,
21 gasoloid mixed cabins, 22 aerosol generators, 23 feed dirt device, and 24 mix blower fan,
31 tested low efficient filters, 32 tested medium effeciency filters, 33 tested high efficiency particulate air filters,
41 Venturi meters, 51 exhaust blowers, 61 air returning valves, 62 return air high efficiency particulate air filters,
311 first sampling of aerosol heads, 321 second sampling of aerosol heads, 331 the 3rd sampling of aerosol heads, 341 the 4th sampling of aerosol heads,
312 first microbarographs, 322 second microbarographs, 332 the 3rd microbarographs, 342 the 4th microbarographs,
313,323,333 diluters, 314,324,334,344 corpuscular counters.
Embodiment
As shown in Figure 1, the utility model generally ventilates and uses air strainer Performance Test System, comprise new wind unit 1, gasoloid generation mixed cell 2, filter test unit 3, airflow measurement unit 4, the air exhaust units 5 of series connection successively, also comprise the return air unit 6 being also connected with gasoloid generation mixed cell 2
Described new wind unit 1 comprises the new wind low efficient filter 11 of being connected successively by airduct, new wind medium effeciency filter 12, new wind high efficiency particulate air filter 13, surface exchanger 14, humidifier 15 and new air-valve 16;
Described return air unit 6 comprises air returning valve 61 and the return air high efficiency particulate air filter 62 of being connected successively by airduct;
Described colloidal sol generation mixed cell 2 comprises gasoloid mixed cabin 21 and is placed in the mixing blower fan 24 in gasoloid mixed cabin 21;
Described filter test unit 3 comprises tested low efficient filter 31, tested medium effeciency filter 32, the tested high efficiency particulate air filter 33 of being connected successively by airduct;
The first entrance of described gasoloid mixed cabin 21 is connected with the outlet of new air-valve 16, and its second entrance is connected with the outlet of return air high efficiency particulate air filter 62, and the outlet of gasoloid mixed cabin 21 is connected with the entrance of tested low efficient filter 31;
Described airflow measurement unit 4 comprises the Venturi meter 41 being placed in airduct;
Described air exhaust units 5 comprises exhaust blower 51.
Described colloidal sol generation mixed cell 2 also comprises the aerosol generator 22 that discharging opening communicates with gasoloid mixed cabin 21 and feeds dirt device 23.
Before the tested low efficient filter 31 of described filter test unit 3, be provided with the piezometric tube that the first sampling of aerosol head 311, tested low efficient filter 31 front and back are provided with the first microbarograph 312, before described tested medium effeciency filter 32, be provided with the piezometric tube that the second sampling of aerosol head 321, tested medium effeciency filter 32 front and back are provided with the second microbarograph 322, before described tested high efficiency particulate air filter 33, be provided with the piezometric tube that the 3rd sampling of aerosol head 331, tested high efficiency particulate air filter 33 front and back are provided with the 3rd microbarograph 332, after tested high efficiency particulate air filter 33, be provided with the 4th sampling of aerosol head 341.
The import of another termination diluter (313,323,333) of described sampling of aerosol head (311,321,331,341), the outlet of diluter (313,323,333) connects the entrance of corpuscular counter (314,324,334,344), and the outlet of corpuscular counter (314,324,334,344) connects computing unit (7).Be that the first end of each sampling of aerosol is located at before the interior tested effect filtrator of airduct, a sampling of aerosol head is connected with a diluter, a corpuscular counter, is finally connected to control module 7.
Select the heavy concentration air quality of the other end tape splicing PM2.5 of described sampling of aerosol head (311,321,331,341) and the meter of PM10 cutting head instrument as another kind.
Venturi meter 41 front and back of described airflow measurement unit 4 are provided with the piezometric tube of the 4th microbarograph 342.
As shown in Figure 1, in the time utilizing external environment air and manmade dust to carry out filter capability test, new air-valve 16 is opened, and air returning valve 61 is closed.External environment air is through new wind low efficient filter 11, new wind medium effeciency filter 12, new wind high efficiency particulate air filter 13, filtering air borne dust, carry out hot wet process through surface exchanger 14, humidifier 15 again, the humiture of air is adjusted in suitable scope, enter gasoloid mixed cabin 21, the gasoloid producing with aerosol generator 22 and hello dirt device 23 under the agitaion that mixes blower fan 24 fully mixes; Carry aerocolloidal air-flow and pass through successively tested low efficient filter 31, tested medium effeciency filter 32, tested high efficiency particulate air filter 33, to measure the strainability of tested low efficient filter 31, tested medium effeciency filter 32, tested high efficiency particulate air filter 33; Air-flow is again by Venturi meter 41, to measure the air mass flow of the airduct of flowing through; Discharged by exhaust blower 51 finally by air exhaust units 5.
Before the tested low efficient filter 31 of described filter test unit 3, be provided with the piezometric tube that the first sampling of aerosol head 311, tested low efficient filter 31 front and back are provided with the first microbarograph 312, before described tested medium effeciency filter 32, be provided with the piezometric tube that the second sampling of aerosol head 321, tested medium effeciency filter 32 front and back are provided with the second microbarograph 322, before described tested high efficiency particulate air filter 33, be provided with the piezometric tube that the 3rd sampling of aerosol head 331, tested high efficiency particulate air filter 33 front and back are provided with the 3rd microbarograph 332, after tested high efficiency particulate air filter 33, be provided with the 4th sampling of aerosol head 341.
Air-flow before tested low efficient filter 31 samples through the first sampling of aerosol head 311, first through the first diluter 313, then enters the first corpuscular counter 314.
Air-flow before tested medium effeciency filter 32 samples through the second sampling of aerosol head 321, first through the second diluter 323, then enters the second corpuscular counter 324.
Air-flow before tested high efficiency particulate air filter 33 samples through the 3rd sampling of aerosol head 331, first through the 3rd diluter 333, then enters the 3rd corpuscular counter 334.
Air-flow after tested high efficiency particulate air filter 33 samples through the 4th sampling of aerosol head 341, directly enters the 4th corpuscular counter 344.
By tested filtrator is sampled, can measure respectively efficiency and whole efficiency in starting efficiency, the laying dust process of tested low efficient filter 31, tested medium effeciency filter 32 and high efficiency particulate air filter 33.
Specifically which tested filtrator is sampled, determined by control module 7.This control module can be common computer, can be also special opertaing device.
The first microbarograph 312, the second microbarograph 322, the 3rd microbarograph 332 are used for measuring respectively resistance and the whole resistance in initial resistance, the laying dust process of tested low efficient filter 31, tested medium effeciency filter 32 and high efficiency particulate air filter 33.
As testing for ventilation when the PM2.5 of air strainer, PM10 filtration efficiency, sampling air flow directly directly enters the meter weight concentration air quality instrument with PM2.5 and PM10 cutting head by sampling of aerosol head (311,321,331,341).
As shown in Figure 1, in the time utilizing room air and manmade dust to carry out filter test, new air-valve 16 cuts out, and air returning valve 61 is opened.Room air is introduced test macro through return air unit 6, through return air high efficiency particulate air filter 62, particle in room air is filtered out, enter gasoloid mixed cabin 21, the gasoloid producing with aerosol generator 22 and hello dirt device 23 under the agitaion that mixes blower fan 24 fully mixes.Subsequent process, with to utilize external environment air and manmade dust to carry out the step in filter capability when test identical, repeats no more.
In the time measuring the performance characteristics of general ventilation air strainer filtration real atmosphere dirt, new air-valve 16 is opened, and return air 1 air-valve 61 cuts out.From new wind unit 1, take out new wind low efficient filter 11, new wind medium effeciency filter 12, new wind high efficiency particulate air filter 13, the outdoor air that comprises atmospheric dust is directly introduced test macro, filters without new wind.
Test is general ventilates while weighing efficiency with the meter of air strainer, and manmade dust, by feeding dirt device 23 spout ejections, mixes with air.The manmade dust weight of wherein feeding the generation of dirt device is known (m1).
In the time that needs are measured tested low efficient filter 31, test macro is only installed tested low efficient filter 31 and tested high efficiency particulate air filter 34, and tested medium effeciency filter 33 is not arranged in test macro.Before test, first measure the weight (m2) of tested high efficiency particulate air filter 34 with weighing instrument.Feed dirt and finish when feeding dirt device, measure tested high efficiency particulate air filter 34(m3 with weighing instrument).To be deposited to the manmade dust (m4) on airduct between tested low efficient filter 31 and tested high efficiency particulate air filter 34 and feed between dirt device 23 spouts and survey low efficient filter 31 manmade dust (m5) on airduct and clean and collect and weigh with brush.Can obtain the heavy efficiency of manmade dust meter of tested low efficient filter 31, be [(m1-m5)-(m3-m2)-m4]/(m1-m5).
In the time that needs are measured tested medium effeciency filter 32, test macro is only installed tested medium effeciency filter 32 and tested high efficiency particulate air filter 34, and tested low efficient filter 31 is not arranged in test macro.Before test, first measure the weight (m6) of tested high efficiency particulate air filter 34 with weighing instrument.Finish when feeding dirt device 23 hello dirt, measure the weight (m7) of tested high efficiency particulate air filter 34 with weighing instrument.Brush will be deposited to the manmade dust (m8) on airduct between tested medium effeciency filter 32 and tested high efficiency particulate air filter 34 and feed between dirt device 23 spouts and tested medium effeciency filter 32 manmade dust (m9) on airduct and clean and collect and weigh.Can obtain the heavy efficiency of manmade dust meter of tested low efficient filter 32, be [(m1-m9)-(m7-m6)-m8]/(m1-m9).
In the time need to measuring the heavy efficiency of the combination meter of tested low efficient filter 31 and tested medium effeciency filter 32, tested low efficient filter 31, tested medium effeciency filter 32 and survey high efficiency particulate air filter 34 are all arranged in test macro.Before test, first measure the weight (m10) of high efficiency particulate air filter 34 with weighing instrument.Finish when feeding dirt device 23 hello dirt, measure the weight (m11) of high efficiency particulate air filter 34 with weighing instrument.Brush will be deposited to tested medium effeciency filter 32 and survey the manmade dust (m12) on airduct between high efficiency particulate air filter 34, feeds between dirt device spout and tested low efficient filter 31 manmade dust (m13) on airduct and clean and collect and weigh.Can obtain the heavy efficiency of manmade dust combination meter of tested low efficient filter 31 and tested medium effeciency filter 32, be [(m1-m13)-(m11-m10)-m12]/(m1-m13).Wherein between tested low efficient filter 31 and tested medium effeciency filter 32, airduct is very short, and manmade dust sedimentation is negligible.
By the removable bracing frame that steps up, can rapidly tested filtrator be stepped up.For the tested filtrator of irregular size, can be at the upstream and downstream reducer of the tested medium effeciency filter 32 of next-door neighbour.While now measuring the resistance of filtrator, need to the in the situation that of fixed filter not, measure the resistance of reducer, the overall resistance that reducer is stepped up after tested medium effeciency filter 32 deducts above-mentioned resistance.
Claims (6)
1. general a ventilation used air strainer Performance Test System, comprise new wind unit (1), gasoloid generation mixed cell (2), filter test unit (3), airflow measurement unit (4), the air exhaust units (5) of series connection successively, also comprise the return air unit (6) being also connected with gasoloid generation mixed cell (2), it is characterized in that:
Described new wind unit (1) comprises the new wind low efficient filter (11) of being connected successively by airduct, new wind medium effeciency filter (12), new wind high efficiency particulate air filter (13), surface exchanger (14), humidifier (15) and new air-valve (16);
Described return air unit (6) comprises air returning valve (61) and the return air high efficiency particulate air filter (62) of being connected successively by airduct;
Described colloidal sol generation mixed cell (2) comprises gasoloid mixed cabin (21) and is placed in the mixing blower fan (24) in gasoloid mixed cabin (21);
Described filter test unit (3) comprises the tested low efficient filter (31) of being connected successively by airduct, tested medium effeciency filter (32), tested high efficiency particulate air filter (33);
The first entrance of described gasoloid mixed cabin (21) is connected with the outlet of new air-valve (16), and its second entrance is connected with the outlet of return air high efficiency particulate air filter (62), and the outlet of gasoloid mixed cabin (21) is connected with the entrance of tested low efficient filter (31);
Described airflow measurement unit (4) comprises the Venturi meter (41) being placed in airduct;
Described air exhaust units (5) comprises exhaust blower (51).
2. general ventilation air strainer Performance Test System according to claim 1, is characterized in that: described colloidal sol generation mixed cell (2) also comprises the aerosol generator (22) that discharging opening communicates with gasoloid mixed cabin (21) and feeds dirt device (23).
3. general ventilation air strainer Performance Test System according to claim 1, it is characterized in that: the front first sampling of aerosol head (311) that is provided with of tested low efficient filter (31) of described filter test unit (3), before and after tested low efficient filter (31), be provided with the piezometric tube of the first microbarograph (312), the front second sampling of aerosol head (321) that is provided with of described tested medium effeciency filter (32), before and after tested medium effeciency filter (32), be provided with the piezometric tube of the second microbarograph (322), front the 3rd sampling of aerosol head (331) that is provided with of described tested high efficiency particulate air filter (33), before and after tested high efficiency particulate air filter (33), be provided with the piezometric tube of the 3rd microbarograph (332), after tested high efficiency particulate air filter (33), be provided with the 4th sampling of aerosol head (341).
4. general ventilation air strainer Performance Test System according to claim 3, it is characterized in that: the import of another termination diluter (313,323,333) of described sampling of aerosol head (311,321,331,341), the outlet of diluter (313,323,333) connects the entrance of corpuscular counter (314,324,334,344), and the outlet of corpuscular counter (314,324,334,344) connects control module (7).
5. general ventilation air strainer Performance Test System according to claim 3, is characterized in that: the heavy concentration air quality of the other end tape splicing PM2.5 of described sampling of aerosol head (311,321,331,341) and the meter of PM10 cutting head instrument.
6. general ventilation air strainer Performance Test System according to claim 1, is characterized in that: the piezometric tube that is provided with the 4th microbarograph (342) before and after the Venturi meter (41) of described airflow measurement unit (4).
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| CN201320704777.7U CN203606155U (en) | 2013-11-08 | 2013-11-08 | Performance test system for air filter for general ventilation |
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| CN201320704777.7U CN203606155U (en) | 2013-11-08 | 2013-11-08 | Performance test system for air filter for general ventilation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592147A (en) * | 2013-11-08 | 2014-02-19 | 南京工业大学 | Performance test system for air filter for general ventilation |
| CN104568489A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Cooling air circulation system for performance test of heat exchanger |
| CN104949852A (en) * | 2015-06-30 | 2015-09-30 | 国电科学技术研究院 | On-site contrast test system and method for incoming air filtering system of gas turbine |
| CN106198350A (en) * | 2016-07-29 | 2016-12-07 | 北京京丰燃气发电有限责任公司 | A kind of gas turbine inlet air filtration device on-hook detecting system and determination method |
| CN111781119A (en) * | 2020-05-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Device and method for testing back-blowing recovery performance of pulse type filter of gas turbine on site |
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2013
- 2013-11-08 CN CN201320704777.7U patent/CN203606155U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592147A (en) * | 2013-11-08 | 2014-02-19 | 南京工业大学 | Performance test system for air filter for general ventilation |
| CN103592147B (en) * | 2013-11-08 | 2016-02-10 | 南京工业大学 | Performance test system for air filter for general ventilation |
| CN104568489A (en) * | 2015-01-09 | 2015-04-29 | 无锡佳龙换热器股份有限公司 | Cooling air circulation system for performance test of heat exchanger |
| CN104949852A (en) * | 2015-06-30 | 2015-09-30 | 国电科学技术研究院 | On-site contrast test system and method for incoming air filtering system of gas turbine |
| CN104949852B (en) * | 2015-06-30 | 2019-05-03 | 国电科学技术研究院 | A kind of gas turbine inlet air filtration system for field contrast test system and test method |
| CN106198350A (en) * | 2016-07-29 | 2016-12-07 | 北京京丰燃气发电有限责任公司 | A kind of gas turbine inlet air filtration device on-hook detecting system and determination method |
| CN106198350B (en) * | 2016-07-29 | 2019-08-09 | 北京京丰燃气发电有限责任公司 | A kind of gas turbine inlet air filtration device on-hook detection system and determination method |
| CN111781119A (en) * | 2020-05-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Device and method for testing back-blowing recovery performance of pulse type filter of gas turbine on site |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20161108 |