CN204679367U - A kind of experimental provision for testing media performance - Google Patents
A kind of experimental provision for testing media performance Download PDFInfo
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- CN204679367U CN204679367U CN201520246808.8U CN201520246808U CN204679367U CN 204679367 U CN204679367 U CN 204679367U CN 201520246808 U CN201520246808 U CN 201520246808U CN 204679367 U CN204679367 U CN 204679367U
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Abstract
The utility model discloses a kind of experimental provision for testing media performance, this experimental provision can carry out Real-Time Monitoring to experimental terminal discharge, successive reaction terminal filtrate weight, when dust is attached on terminal filtrate, the increase of its weight can be sensed, and be automatically scaled concentration of emission and filtration efficiency, emissions profile can be read at any time from real-time monitor simultaneously, understand the strainability of filtrate under different time, different resistance; Experimental provision herein can carry out charged to dust, because the dust characteristic after charged will change, so media filtration performance also will change, by charged analysis of experiments, the strainability of tested filtrate after charged and strainability difference time not charged can be grasped, confirm that the charged impact on dust-filtering can change charged intensity simultaneously, analyze the charged effect of different levels to the impact of tested media filtration performance, test findings can be used for the type selecting, the design and devdlop that instruct removing dust project.
Description
Technical field
The utility model relates to dedusting technology field, particularly a kind of experimental provision for testing media performance.
Background technology
Along with developing rapidly of modern industry, especially coal-burning power plant, metallurgy, mine, cement and the industrial expansion such as chemical industry, casting, cause the severe contamination of China's air, therefore also constrains China's expanding economy.In recent years, the particularly seriously various places haze weather that causes of the pollution of PM2.5, is called one of urgently to be resolved hurrily and matter of utmost importance of controlling now.Therefore, development research cleaner that is efficient, energy-conserving and environment-protective is day by day urgent.
Wherein, in cleaner, the efficiency of dust collection of filtrate is one of important parameter affecting equipment efficiency of dust collection.The current efficiency of dust collection for filtrate is mainly through measuring with under type.Prior art arranges experimental provision usually, is installed on by filtrate in experimental provision, and experimental provision can simulate the dust removal process of cleaner, by measuring the efficiency of dust collection and the performance parameter thereof that are obtained filtrate by the experiment parameter of dust before and after filtrate.
The horizontal pipeline that experimental provision mainly comprises powder producer, vertical pipeline and is connected on vertical pipeline, dust is sent out after dirt through powder producer and is disperseed with pressurized air, form certain density air-flow, and be evenly distributed in whole vertical pipeline and flow downward, portion gas flows through tested filtrate and enters horizontal pipeline, the air-flow of media filtration constant density, constant flow rate is made, to simulate filter bag dust removal process by flow control.Dust in air-flow is retained down by filtrate, bisque cake is formed at filter material surface, along with filtration time constantly increases, before and after test filtrate, pressure drop increases gradually, in whole filter process, and the change of differential pressure pick-up Real-Time Monitoring pressure drop, once pressure drop reaches preset value, namely pulse valve once jets (i.e. level pressure winding-up can certainly adopt timing flow pattern), with analog pulse deashing process.A small amount of fine dust through test filtrate, along with air-flow arrives at the terminal filtrate of horizontal pipeline afterbody, and may take off and weigh after terminal filtrate is collected, and can obtain test media filtration effect through calculating.Can the filter effect of the different filtrate of test and comparison by prior art, and jetting pressure can be changed, pulse width, filtration velocity, powder producer send out the parameters such as dirt speed (namely change and send out a dust concentration), cleaning cycle, to investigate the impact of each parameter on filter effect, comprise the total filtration efficiency of filter material, PM2.5 filtration efficiency and drag characteristic.
Known by foregoing description, existing experimental provision is only confined to specific operation or selects different injection parameter to investigate media performance.But along with the continuous renewal of fly-ash separator type in prior art, the factor affecting filtrate dedusting also gets more and more, existing experimental provision cannot to simulate in fly-ash separator all parameters to the impact of dust, and then it is inaccurate to simulate the media performance obtained.
In addition, need in prior art, after filtration certain hour, terminal filtrate is taken off weighing, thus obtain attachment dust gain in weight, calculate concentration of emission and filtration efficiency further again, mounting or dismounting terminal filtrate process is loaded down with trivial details, and easily comes off pulling down dust in process, affects test findings.
In view of the above problems, how improving in prior art for testing the experimental provision of media performance, taking into full account each parameter in fly-ash separator use procedure, improve the accuracy of experimental result, is those skilled in that art's technical matterss urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is for providing a kind of experimental provision for testing media performance, and this experimental provision takes into full account that each parameter in fly-ash separator use procedure is on the impact of media filtration performance, improves the accuracy of experimental result.
For solving the problems of the technologies described above, the utility model provides a kind of experimental provision for testing media performance, comprises with lower component:
Powder producer, for disperseing dust, the outlet of described powder producer is extraneous by tested pipeline connection;
Air compressor, the gas outlet of described air compressor is communicated with described powder producer, and the dust disperseed in described powder producer is blown into described tested pipeline;
Tested filtrate, described tested filtrate is arranged on described tested pipeline;
First pumping section, after being arranged at described tested filtrate, under the effect of described first pumping section, at least part of air-flow in described tested pipeline flow to the external world through described tested filtrate;
Terminal filtrate, between described tested filtrate and described first pumping section, for adsorbing the dust after described tested filtrate in air-flow;
Charge device, be positioned at the outlet of described powder producer, the dust that described powder producer sends enters described tested pipeline through described charge device after charged.
Preferably, be also provided with independently charged switch, described charged switch can open separately or cut out described charge device, carries out charged or non-charged to control described charge device to dust.
Preferably, described tested pipeline comprises main line, the first arm, the top of described main line is communicated with the outlet of described powder producer, described first arm is communicated with described main line, described tested filtrate is arranged at described first arm and is communicated with position with described main line, and described first pumping section is arranged at described first arm;
Described main line is also provided with the bucket that gathers dust for collecting the dust that described tested filtrate is piled up;
Also comprise filtrate dust pelletizing system, described filtrate dust pelletizing system comprises jet pipe, and described jet pipe is provided with pulse valve, and an end of described jet pipe can be connected with described air compressor, and the other end is communicated with described first arm.
Preferably, described main line is vertically arranged, and described first arm is horizontally disposed with, and the link position of described main line and described first arm is located at by described filtrate; The described bucket that gathers dust is connected to the end of described main line;
Also comprise the second pumping section and the bucket that gathers dust described in being communicated with inner with the second extraneous arm, described second pumping section is arranged at the end of described second arm respectively.
Preferably, described second arm is also provided with clarifier, described clarifier gathers dust between bucket and described second pumping section described.
Preferably, also comprise clarifier dust pelletizing system, described clarifier dust pelletizing system comprises jet pipe, and described jet pipe is provided with clean valve, and an end of described jet pipe can be connected with described air compressor, and the other end is stretched in the filter bag of described clarifier.
Preferably, also comprise charged dust pelletizing system, for giving negative electrode and the anode dedusting of described charge device, described charged dust pelletizing system comprises the first jet pipe, one end of described first jet pipe is communicated with/disconnects the outlet of described air compressor, the other end is provided with some nozzles, and each described nozzle is arranged towards described negative electrode and described anode.
Preferably, also comprise the combination of PM2.5 cyclone, described PM2.5 cyclone combination is located on described tested pipeline, and after being positioned at described tested filtrate.
Preferably, the outlet of described powder producer is also provided with the link position of described tested pipeline the connecting pipeline being communicated with ambient atmosphere, and the end of described connecting pipeline is provided with the air filter module with certain windage.
Preferably, described first arm is also provided with terminal filtrate, after described terminal filtrate is positioned at described tested filtrate; Described experimental provision also comprises discharge real-time detector, and described discharge real-time monitor is used for the weight of terminal filtrate described in Real-Time Monitoring and successive reaction, and feeds back to controller.
Compared with prior art, experimental provision herein can carry out charged to dust, because the dust characteristic after charged will change, so media filtration performance also will change, by charged analysis of experiments, the strainability of tested filtrate after charged and strainability difference time not charged can be grasped, confirm that the charged impact on dust-filtering can change charged intensity simultaneously, analyze the charged effect of different levels to the impact of tested media filtration performance, test findings can be used for the type selecting, the design and devdlop that instruct removing dust project.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of experimental provision for testing media performance of the utility model;
Fig. 2 is the partial structurtes schematic diagram of charge device in a kind of specific embodiment of the utility model;
Fig. 3 is the structural representation of tested filtrate position in a kind of specific embodiment of the utility model.
Wherein, the one-to-one relationship in Fig. 1-3 between component names and Reference numeral is as follows:
Stand for experiment 1, powder producer 2, mixing tube section 3, charge device 4, main line 5, optical concentration detector 6, tested filtrate 7, the bucket 8 that gathers dust, air filter module 9, first arm 10, pulse valve 11, clean valve 12, PM2.5 cyclone combination 13, terminal filtrate 14, discharge real-time monitor 15, flowmeter 16, first pumping section 17, flowmeter 18, second pumping section 19, clarifier 20, air compressor 21, controller 22.
Embodiment
Core of the present utility model is for providing a kind of experimental provision for testing media performance, and this experimental provision takes into full account that each parameter in fly-ash separator use procedure is on the impact of media filtration performance, improves the accuracy of experimental result.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 3, Fig. 1 is the structural representation of a kind of experimental provision for testing media performance of the utility model; Fig. 3 is the structural representation of tested filtrate position in a kind of specific embodiment of the utility model; Wherein in Fig. 3, A represents the dust granules before filtration, and B is the dust granules by air-flow in tested filtrate.
The utility model provides a kind of experimental provision for testing media performance, this experimental provision can comprise air compressor 21, powder producer 2, tested filtrate 7, first pumping section 17, powder producer 2 is a kind of dust generator, experimentally need dust to be thrown in powder producer 2, for disperseing dust.The gas outlet of air compressor 21 is communicated with powder producer 2, air compressor 21 provides source of the gas power for the inner dust movement of powder producer 2, dust in powder producer 2 is blown into tested pipeline, tested filtrate 7 is arranged on tested pipeline, after first pumping section 17 is arranged at tested filtrate 7, under the effect of the first pumping section 17, the fraction in described tested pipeline flow to the external world through described tested filtrate 7.Can also comprise terminal filtrate 14 in this device, terminal filtrate 14 is arranged on the tested pipeline between the first pumping section 17 and tested filtrate 7, is mainly used in absorption through dust in tested filtrate 7 air-flow.
Experimental provision provided in this article also comprises charge device 4, and charge device 4 is arranged on tested pipeline, and exports between tested filtrate 7 at powder producer 2, and the dust that powder producer 2 sends is charged after charge device 4.
Certainly, in experimental provision, stand for experiment 1 can be set, for installing powder producer 2 or supporting the parts such as tested pipeline.Concrete structure for stand for experiment 1 does not describe in detail at this.
Dust is by after powder producer 2 fully dispersion, and dust concentration controls at 0.1-50g/m
3charge device 4 is flowed through along with air compressor 21 source of the gas, the voltage of charge device 4 can be set to adjustable mode, the adjustable extent of magnitude of voltage is: 0-30KV, and dust flows through vertical pipeline after charge device 4 is charged, when arriving at tested filtrate 7 position, great majority will be blocked, before and after filtrate after dust layer accumulation certain thickness, pressure reduction reaches preset value, and the preset value of pressure reduction can be ± 2000Pa, also can be other numerical value.Minority dust arrives at the terminal filtrate 14 of afterbody through tested filtrate 7 along with air-flow, is judged the strainability of tested filtrate 7 by the increase of terminal filtrate 14 weight.
Compared with prior art, experimental provision herein can carry out charged to dust, because the dust characteristic after charged will change, so media filtration performance also will change, by charged analysis of experiments, the strainability of tested filtrate after charged and strainability difference time not charged can be grasped, confirm that the charged impact on dust-filtering can change charged intensity simultaneously, analyze the charged effect of different levels to the impact of tested media filtration performance, test findings can be used for the type selecting, the design and devdlop that instruct removing dust project.
Through analysis of experiments, increase the change main cause of dust characteristic after charge device to be: cohesion is comparatively crude particle dust by the fine grained after charged, and charged rear dust is with like charges, fluffy dust layer is formed when being blocked on tested filtrate 7 surface, its gas penetration potential and common flour knoisphere completely different, be easy to deashing, and fluffy dust gas penetration potential is larger than the gas penetration potential of common flour knoisphere, under level pressure deashing test situation, cleaning cycle will be longer, better ash-removal effect can be obtained, finally improve filter effect.Cohesion is comparatively crude particle dust by the particle dust after charged, crude particle dust is easier to be blocked on filter material surface, simultaneously, after producing flocculating result, the amounts of fine particles of test filtrate actual filtration reduces, penetrate the fine grained discharge capacity of filtrate also by corresponding minimizing, final raising fine grained filter effect.This device takes into full account that each parameter in fly-ash separator use procedure is on the impact of media filtration performance, improves the accuracy of experimental result.
In a preferred embodiment, charge device 4 can also be provided with independently charged switch, independent charged switch can open or cut out charge device 4, whether control charge device 4 carries out charged to dust, when disconnecting charged switch, charge device 4 is in no power state, namely charge device 4 does not carry out charged to powder producer 2 dust out, this experimental provision can carry out the performance test of conventional tested filtrate 7, be convenient to more charged with not charged filter effect, thus realize the charged influence research to strainability.
In a kind of concrete embodiment, tested pipeline comprises main line, the first arm 10, the top of main line is communicated with the outlet of powder producer 2, first arm 10 is communicated with main line, tested filtrate 7 is arranged at the first arm 10 and is communicated with position with main line, and the first pumping section 17 is arranged at the first arm 10; Main line is also provided with the bucket 8 that gathers dust for collecting the dust that tested filtrate 7 is piled up.
Experimental provision can further include filtrate dust pelletizing system, and filtrate dust pelletizing system comprises jet pipe, jet pipe is provided with pulse valve 11, and an end of jet pipe can be connected with air compressor 21, and the other end is communicated with the first arm 10.
When the pressure drop testing filtrate reaches preset value, controller 22 cuts out the connecting pipeline between air compressor 21 and powder producer 2, unbalanced pulse valve 11 is communicated with air compressor 21 and the first arm 10, the gas of air compressor 21 is oppositely jetted to tested filtrate 7 by pulse valve 11, removed by the dust of attachment on tested filtrate 7, the dust of removing arrives and gathers dust in bucket 8.Certainly, also can by the unlatching of time control pulse valve 11 or closedown, after tested filtrate 7 carries out filtration work a period of time, controller 22 cuts out the connecting pipeline between air compressor 21 and powder producer 2, unbalanced pulse valve 11 is communicated with air compressor 21 and the first arm 10, carries out deashing work to tested filtrate 7.
In a preferred embodiment, main line is vertically arranged, and the first arm 10 is horizontally disposed with, and the link position of main line and the first arm 10 is located at by filtrate, and the end of described first arm 10 is located at by terminal filtrate 14; The bucket 8 that gathers dust is connected to the end of main line; Also comprise the second pumping section 19 and be communicated with the second inner and extraneous arm of the bucket 8 that gathers dust, the second pumping section 19 is arranged at the end of the second arm respectively.
Experiment proves, the even diffusion that main line is vertically arranged, the horizontally disposed mode of the first arm 10 is more conducive to dust, simulated effect is better.First pumping section 17 and the second pumping section 19 can be aspiration pump herein, also can be miscellaneous part.
In the various embodiments described above, second arm can also be provided with clarifier 20, clarifier 20 is gathering dust between bucket 8 and the second pumping section 19, in such main line not by the air-flow of tested filtrate 7 under the effect of the second pumping section 19, through gathering dust, bucket 8 and clarifier 20 flow to the external world, dust in air-flow is cleaned device 20 and filters, and can not affect external environment.
When calculating the strainability of tested filtrate 7, the dust that can consider on the dust of clarifier 20 inside and terminal filtrate 14 obtains the numerical value such as filtration efficiency.
Certainly, experimental provision in the various embodiments described above can further include clarifier 20 dust pelletizing system, and clarifier 20 dust pelletizing system comprises jet pipe, jet pipe is provided with clean valve 12, one end of jet pipe can be connected with air compressor 21, and the other end is stretched in the filter bag of clarifier 20.
Please comprehensive reference Fig. 2, Fig. 2 be the partial structurtes schematic diagram of charge device in a kind of specific embodiment of the utility model.
In order to ensure the reliability of charge device 4 long-term work, experimental provision can also comprise charged dust pelletizing system, for giving negative electrode and the anode dedusting of charge device 4, charged dust pelletizing system comprises the first jet pipe, one end of first jet pipe is communicated with/disconnects the outlet of air compressor 21, the other end is provided with some nozzles, and each nozzle is arranged towards negative electrode and anode.
In the various embodiments described above, experimental provision can further include PM2.5 cyclone combination 13, PM2.5 cyclone combination 13 and is located on tested pipeline, and after being positioned at tested filtrate 7.Add PM2.5 cyclone combination 13 in the present embodiment and can realize the research of filtrate to PM2.5, the application of experimental provision is wider.
In the various embodiments described above, the outlet of powder producer 2 is also provided with the link position of tested pipeline the connecting pipeline being communicated with ambient atmosphere, the end of connecting pipeline is provided with the air filter module 9 with certain windage, this section of tested pipeline connection air filter module 9 is defined as mixing tube section 3 herein, under the combined action of dust air-flow in mixing tube section 3, flows to tested filtrate 7.
Main line is communicated with outside air by air filter module 9, like this when the first pumping section 17 or/and the second pumping section 19 power change time, main line and ambient pressure can be balanced, avoid main line internal gas pressure excessive or too small.
In this, the first arm 10 and the second arm can also arrange flowmeter, for controlling the airshed on each arm, meet the experiment demand under different duty parameter condition, as shown in Figure 1, the first arm 10 and the second arm arrange flowmeter 16 and flowmeter 18 respectively.
In the various embodiments described above, experimental provision also comprises discharge real-time detector, discharge real-time monitor 15 is for the weight of Real-Time Monitoring and successive reaction terminal filtrate 14, result directly can be shown in the viewing area of discharge real-time monitor, also can be shown on the display screen be connected with controller.Experimental provision herein can carry out Real-Time Monitoring to experimental terminal discharge, successive reaction terminal filtrate 14 weight, when dust is attached on terminal filtrate 14, the increase of its weight can be sensed, and be automatically scaled concentration of emission and filtration efficiency, emissions profile can be read at any time from real-time monitor simultaneously, understand the strainability of filtrate under different time, different resistance.
Dust arrives at terminal filtrate 14 with air-flow after penetrating dust cake and filtrate, finally be attached on terminal filtrate 14, conventionally, need, after filtration certain hour, terminal filtrate 14 is taken off weighing, thus obtain attachment dust gain in weight, calculate concentration of emission and filtration efficiency further again, mounting or dismounting terminal filtrate 14 process is loaded down with trivial details, and easily come off pulling down dust in process, affect test findings, and adopt the discharge real-time monitor 15 in the application, namely when dust is attached on terminal filtrate 14, monitor 15 can sense and gain in weight, and be automatically scaled concentration of emission and filtration efficiency, dust releasing when avoiding feeding, improve test accuracy and simple operation, emissions profile can be read at any time simultaneously, understand the strainability of filtrate in different time points.
Above a kind of experimental provision for testing media performance provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. for testing an experimental provision for media performance, it is characterized in that, comprising with lower component:
Powder producer (2), for disperseing dust, the outlet of described powder producer (2) is extraneous by tested pipeline connection;
Air compressor (21), the gas outlet of described air compressor (21) is communicated with described powder producer (2), and the dust of dispersion in described powder producer (2) is blown into described tested pipeline;
Tested filtrate (7), described tested filtrate (7) is arranged on described tested pipeline;
First pumping section (17), after being arranged at described tested filtrate (7), under the effect of described first pumping section (17), at least part of air-flow in described tested pipeline flow to the external world through described tested filtrate (7);
Terminal filtrate, is positioned between described tested filtrate (7) and described first pumping section (17), for the dust of absorption after described tested filtrate (7) in air-flow;
Charge device (4), be positioned at described powder producer (2) outlet, the dust that described powder producer (2) sends enters described tested pipeline through described charge device (4) after charged.
2. experimental provision as claimed in claim 1, it is characterized in that, also be provided with independently charged switch, described charged switch can open separately or cut out described charge device (4), carries out charged or non-charged to control described charge device (4) to dust.
3. experimental provision as claimed in claim 1, it is characterized in that, described tested pipeline comprises main line (5), the first arm (10), the top of described main line (5) is communicated with the outlet of described powder producer (2), described first arm (10) is communicated with described main line (5), described tested filtrate (7) is arranged at described first arm (10) and is communicated with position with described main line (5), and described first pumping section (17) is arranged at described first arm (10);
Described main line (5) is also provided with the bucket that gathers dust (8) for collecting the upper dust piled up of described tested filtrate (7);
Also comprise filtrate dust pelletizing system, described filtrate dust pelletizing system comprises jet pipe, described jet pipe is provided with pulse valve (11), an end of described jet pipe can be connected with described air compressor (21), and the other end is communicated with described first arm (10).
4. experimental provision as claimed in claim 3, it is characterized in that, described main line (5) is vertically arranged, described first arm (10) is horizontally disposed with, the link position of described main line (5) and described first arm (10) is located at by described filtrate, and described terminal filtrate (14) is located at the end of described first arm (10); The described bucket that gathers dust (8) is connected to the end of described main line (5);
Also comprise the second pumping section (19) and the bucket (8) that gathers dust described in being communicated with inner with the second extraneous arm, described second pumping section (19) is arranged at the end of described second arm respectively.
5. experimental provision as claimed in claim 4, it is characterized in that, described second arm is also provided with clarifier (20), gathers dust described in described clarifier (20) is positioned between bucket (8) and described second pumping section (19).
6. experimental provision as claimed in claim 3, it is characterized in that, also comprise clarifier (20) dust pelletizing system, described clarifier (20) dust pelletizing system comprises jet pipe, described jet pipe is provided with clean valve (12), one end of described jet pipe can be connected with described air compressor (21), and the other end is stretched in the filter bag of described clarifier (20).
7. the experimental provision as described in any one of claim 1 to 6, it is characterized in that, also comprise charged dust pelletizing system, for giving negative electrode and the anode dedusting of described charge device (4), described charged dust pelletizing system comprises the first jet pipe, one end of described first jet pipe is communicated with/disconnects the outlet of described air compressor (21), and the other end is provided with some nozzles, and each described nozzle is arranged towards described negative electrode and described anode.
8. the experimental provision as described in any one of claim 1 to 6, it is characterized in that, also comprise PM2.5 cyclone combination (13), described PM2.5 cyclone combination (13) is located on described tested pipeline, and after being positioned at described tested filtrate (7).
9. experimental provision as claimed in claim 1, it is characterized in that, the outlet of described powder producer (2) is also provided with the link position of described tested pipeline the connecting pipeline being communicated with ambient atmosphere, and the end of described connecting pipeline is provided with the air filter module (9) with certain windage.
10. the experimental provision as described in any one of claim 1 to 6, it is characterized in that, described experimental provision also comprises discharge real-time detector, and described discharge real-time monitor (15) is for the weight of terminal filtrate (14) described in Real-Time Monitoring and successive reaction.
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| CN201520246808.8U CN204679367U (en) | 2015-04-22 | 2015-04-22 | A kind of experimental provision for testing media performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092810A (en) * | 2016-05-13 | 2016-11-09 | 薛景森 | Air purifier performance dynamic calibrating method |
| CN106092622A (en) * | 2016-05-13 | 2016-11-09 | 薛景森 | Air purifier performance static demarcating method |
| CN111141648A (en) * | 2020-01-06 | 2020-05-12 | 天津理工大学 | Experimental device for be used for testing static dust effect of inhibitor control |
-
2015
- 2015-04-22 CN CN201520246808.8U patent/CN204679367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092810A (en) * | 2016-05-13 | 2016-11-09 | 薛景森 | Air purifier performance dynamic calibrating method |
| CN106092622A (en) * | 2016-05-13 | 2016-11-09 | 薛景森 | Air purifier performance static demarcating method |
| CN111141648A (en) * | 2020-01-06 | 2020-05-12 | 天津理工大学 | Experimental device for be used for testing static dust effect of inhibitor control |
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