CN106840999A - A kind of air cleaner or filtering material combined test stand and method of testing - Google Patents
A kind of air cleaner or filtering material combined test stand and method of testing Download PDFInfo
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- CN106840999A CN106840999A CN201710019954.0A CN201710019954A CN106840999A CN 106840999 A CN106840999 A CN 106840999A CN 201710019954 A CN201710019954 A CN 201710019954A CN 106840999 A CN106840999 A CN 106840999A
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 238000001914 filtration Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000010998 test method Methods 0.000 title claims abstract description 15
- 239000000443 aerosol Substances 0.000 claims abstract description 69
- 239000011521 glass Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005352 clarification Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
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Abstract
The present invention relates to a kind of air cleaner or filtering material combined test stand and method of testing, the device is made up of four systemses：There is system, hybrid system, test system and automation control system in aerosol.Wherein aerosol generation system is made up of aerosol generator, electric butterfly valve, electromagnetic flowmeter, minipump；Hybrid system is made up of test box, fan with low voltage, humidifier, surface cooler, warm and humid sensor, aerosol detector；Test system includes test box, electric butterfly valve, flowmeter, fixture, slide glass, minipump, high efficiency particulate air filter；Automation control system is main to connect all of electric butterfly valve, fan with low voltage, electromagnetic flowmeter and minipump by by computer controls terminal.Design structure of the present invention is advanced rationally to realize Automated condtrol, and easy operation can be tested the strainability of filtering material, meanwhile, can also realize testing the filter effect of filter.
Description
Technical field
The invention belongs to air purification field, and in particular to a kind of air cleaner or filtering material combined test stand and survey
Method for testing.
Background technology
In modern city, the degree of room air pollution is higher by many times than open air, it is often more important that more than 80% city
City's population, 70% time is spent indoors, and children, pregnant woman and chronic patient, because residence time is than other people indoors
Group is longer, just more significantly by the harm of indoor environmental pollution, according to the World Health Organization（WHO）Statistics, the whole world has every year
100000 people die from asthma because of indoor environmental pollution.The present situation of room air pollution is tackled, in order to create a relative clean
Indoor environment, increasing family used indoor air filter.Lot of domestic and foreign producer in order to meet market needs,
It is proposed the different filter of kind.But because country there is no the quality standard and corresponding mark about air cleaner at present
Quasi- detection method, so it is determined that being had difficulties in terms of filter actual effect.At present, popular several filter effect detection sides
Method is rougher, it is impossible to reflect the clean-up effect of filter well[1], and at this stage, for the testboard of its filter efficiency,
There is following defect：（1）Most testing board object is relatively simple, the filtering effect of test filtering material that can only be single
Really.Such as 2014, the Decree of Patent Office of China, Authorization Notice No. was the patent of invention of the B of CN 102854087, entitled《It is a kind of empty
Gas filtering material testboard》；（2）Do not account for other conditions, such as temperature, humidity, the influence to strainability, it is impossible to it is determined that
Optimal purification condition, can not determine the most short clarification time, such as 2015, the Decree of Patent Office of China, and application publication number is
The patent of invention of the A of CN 105043672, it is entitled《A kind of high efficiency particulate air filter PAO test devices》.
[1] Zhao is high, Wang Zulu, and Deng is miscellaneous with health up to Exploration of Methods for Testing Effectiveness of Indoor Air Purifying Sets environment
Will .2000,17 (16):338-340.
[2] He Weilang, Lin Zhongping, Zhang Xiaolei, Lu Tao air cleaners performance test methods and standard simple analysis it is clean with
Air-conditioning technical .2012,9 (3):15-19.
The content of the invention
The technical problems to be solved by the invention are to make up above-mentioned the deficiencies in the prior art, there is provided one kind is realized to filter
And the strainability of filtering material can be tested and can determine that the air cleaner or filtering material of most short clarification time
Combined test stand and method of testing.
To reach above-mentioned technical requirements, the scheme that the present invention is taken is：
, there is system by aerosol, mix in air cleaner proposed by the present invention or filtering material combined test stand and method of testing
Syzygy system, test system and automation control system composition, wherein：
There is system by aerosol generator 1, the first electric butterfly valve 2-1, the first minipump 3-1 and the first electromagnetism in aerosol
Flowmeter 4-1 is connected in sequence by pipeline；
Hybrid system is by test box 5, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3, the 4th low
Pressure fan 6-4, humidifier 7, surface cooler 8, the aerosol detector 10-1 of warm and humid sensor 9 and first compositions；Fan with low voltage 6-1,
Second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4 are located at the surrounding of test box 5 respectively, in test box 5
Humidifier 7, surface cooler 8 are provided with, the bottom of test box 5 is provided with the aerosol detector 10-1 of warm and humid sensor 9 and first；
Test system includes the second electric butterfly valve 2-2, the second electromagnetic flowmeter 4-2, fixture 11, slide glass 12, the second micro vacuum
Pump 3-2, high efficiency particulate air filter 13, the second aerosol detector 10-2, the 3rd aerosol detector 10-3；The side bottom of test box 5 one
Pass sequentially through the second electric butterfly valve 2-2, the second electromagnetic flowmeter 4-2, the second aerosol detector 10-2 and pipeline jockey
11；The side roof part of test box 5 one passes sequentially through high efficiency particulate air filter 13, the second minipump 3-2, the 3rd aerosol detector 10-3
With pipeline jockey 11；Slide glass 12 is located between fixture 11；
Automation control system includes computer controls terminal 14；The computer controls terminal 14 connects the first electronic butterfly respectively
Valve 2-1, the second electric butterfly valve 2-2, the first minipump 3-1, the second minipump 3-2, the first electromagnetic flowmeter 4-1,
Second electromagnetic flowmeter 4-2, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3, the 4th low-pressure air
Machine 6-4, humidifier 7, surface cooler 8, warm and humid sensor 9, the first aerosol detector 10-1, the second aerosol detector 10-2 and
3rd aerosol detector 10-3.
In the present invention, all pipelines are stainless steel, and pipe diameter is 0.05-0.3m；Test box 5 is cube knot
Structure, its volume is controlled in 1-10m according to actual test needs3Between；All first fan with low voltage 6-1, the second fan with low voltage 6-
2nd, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4 are located at cornerwise 4 apexes of two strips in test box 5 respectively,
First fan with low voltage 6-1, the second fan with low voltage 6-2, the air outlet angle of the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4 with
Ground can adjust rotating speed into 30-45 degree angles, and rotating speed is 200-1000r/min, the first minipump 3-1 and second micro-
The range of type vavuum pump 3-2 is in -0.1MPa-0；Computer controls terminal 14 is set, by controlling the first electric butterfly valve
2-1, the second electric butterfly valve 2-2, make the first electromagnetic flowmeter 4-1, the second electromagnetic flowmeter 4-2 reach constant flow rate, and scope exists
0-5m/s。
Air cleaner proposed by the present invention or filtering material combined test stand and method of testing, described method of testing tool
There are two kinds of test patterns：
（1）Filter test pattern：Filter to be tested is placed in the middle of test box 5, in the case of testboard is totally enclosed,
The aerosol concentration in flow velocity, temperature, humidity and the test box 5 of the first electromagnetic flowmeter 4-1 is set, testboard can be cold by table
Device 8 and humidifier 7 make temperature and humidity reach requirement, open aerosol generator 1, the first electric butterfly valve 2-1 and first miniature
Vavuum pump 3-1, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4, when
First aerosol monitor 10-1 readings reach setting value, close aerosol generator 1, the first electric butterfly valve 2-1, first miniature
Vavuum pump 3-1, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4, connect
Lead to the power supply of filter to be measured, by after one section of clarification time, disconnecting filter power supply, open the first fan with low voltage 6-1, second
Fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4, treat the first aerosol monitor 10-1 stable readings
Afterwards, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4, first are closed
The ratio of reading is the filter efficiency of filter before and after aerosol monitor 10-1；
（2）Filtering material test pattern；Filtering material to be tested is placed on the slide glass 12 of fixture 11, in the totally enclosed feelings of device
Under condition, the aerosol concentration in flow velocity, temperature, humidity and the test box 5 of the first electromagnetic flowmeter 4-1 is set, system can pass through
Surface cooler 8 and humidifier 7 make temperature and humidity reach requirement, open aerosol generator 1, the first electric butterfly valve 2-1, first micro-
Type vavuum pump 3-1, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4,
After the first aerosol monitor 10-1 readings reach setting value, the first electric butterfly valve 2-1 and the first minipump 3- is closed
1st, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3 and the 4th fan with low voltage 6-4, open electronic butterfly
Valve 2-2, the second minipump 3-2, according to the ratio of both the second aerosol monitor 10-2, the 3rd aerosol monitor 10-3
Value is the strainability that can obtain filtering material, and test closes the second electric butterfly valve 2-2, the second minipump 3-2 after terminating.
The present invention relates to a kind of air cleaner or filtering material combined test stand and method of testing, with existing filtering material
Testboard is compared, and its feature and advantage are：
（1）A kind of air cleaner involved in the present invention or filtering material combined test stand and method of testing, can respectively to filtering
The strainability of device and filtering material carries out Validity Test.
（2）A kind of air cleaner involved in the present invention or filtering material combined test stand and method of testing, can true mould
Intend indoor environment, the strainability to filter and filtering material is tested, and can pass through filter efficiency and the pass of time
System's figure, obtains the most short clarification time.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of air cleaner of the invention or filtering material combined test stand and method of testing；
Fig. 2 is the graph of a relation of the time of embodiment 1 and filter efficiency；
Fig. 3 is the graph of a relation of the time of embodiment 1 and filter efficiency；
Label in figure：1 is aerosol generator, and 2-1,2-2 are first, second electric butterfly valve, and 3-1,3-2 are first, second micro-
Type vavuum pump, 4-1 and 4-2 are respectively first, second electromagnetic flowmeter, and 5 is test box, and 6-1,6-2,6-3,6-4 are respectively
First, second, third and the 4th fan with low voltage, 7 is surface cooler, and 8 is humidifier, and 9 is warm and humid receptor, 10-1,10-2,10-3 point
Not Wei first, second, and third aerosol monitor, 11 is fixture, and 12 is slide glass, and 13 is high efficiency particulate air filter, and 14 is computer control
Terminal processed.
Specific embodiment
The present invention is further illustrated below by embodiment combination accompanying drawing.
Embodiment 1：Strainability to certain brand filter is tested.
As shown in figure 1, this air cleaner or filtering material combined test stand and method of testing, the device is by four systemses
Composition：There is system, hybrid system, test system and automation control system in aerosol.Wherein there is system by gas in aerosol
Colloidal sol generator 1, the first electric butterfly valve 2-1, the first electromagnetic flowmeter 4-1, the first minipump 3-1 compositions；Hybrid system
By test box 5, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3, the 4th fan with low voltage 6-4, plus
Wet device 7, surface cooler 8, warm and humid sensor 9, the first aerosol detector 10-1 are constituted；Test system includes the second electric butterfly valve 2-
2nd, the second electromagnetic flowmeter 4-2, fixture 11, slide glass 12, the second minipump 3-2, high efficiency particulate air filter 13；Automated condtrol system
System mainly connects all of electric butterfly valve, fan with low voltage, electromagnetic flowmeter and micro vacuum by by computer controls terminal 14
Pump.All connecting pipes are stainless steel, and caliber is between 0.15m；The volume of test box 5 is 2m3Between；All low-pressure airs
Machine rotational speed regulation is in 500r/min.Filter is placed in the middle of test box 5, in the case of device is totally enclosed, the electricity of setting first
Aerosol concentration is 0.2mg/m in the flow velocity 1m/s of magnetic flowmeter 4-1,25 DEG C of temperature, humidity 50%, test box3And the clarification time
It is 2h.System can make temperature and humidity reach requirement by surface cooler 8 and humidifier 7, open the electricity of aerosol generator 1, first
Dynamic butterfly valve 2-1 and the first minipump 3-1, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3,
4th fan with low voltage 6-4, when the first aerosol monitor 10-1 readings reach setting value, closes the electricity of aerosol generator 1, first
Dynamic butterfly valve 2-1, the first minipump 3-1 and the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3,
4th fan with low voltage 6-4.The power supply of filter to be measured is connected, by after the 2h clarification times, disconnecting filter power supply, first is opened
Fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3, the 4th fan with low voltage 6-4, treat the first aerosol monitoring
After device 10-1 stable readings, all of fan with low voltage is closed, the ratio of reading was before and after the first aerosol monitor 10-1
The filter efficiency of filter.
By the Monitoring Data that obtains of test, the filter efficiency of this filter is up to 80%；Change the clarification time（0.5h/1h/
2.5h/3h）With the time as transverse axis, filter efficiency is the longitudinal axis, will obtain the graph of a relation of time and filter efficiency（Fig. 2）, from figure
It was found that, the most short clarification time is 2.5h, and the filter effect after 2.5h is not obvious.
Embodiment 2：Strainability to certain brand filtering material is tested
As shown in figure 1, this air cleaner or filtering material combined test stand and method of testing, the device is by four systemses group
Into：There is system, hybrid system, test system and automation control system in aerosol.Wherein aerosol generation system is molten by gas
Glue generator 1, the first electric butterfly valve 2-1, the first electromagnetic flowmeter 3-1, the first minipump 4-1 compositions；Hybrid system by
Test box 5, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3, the 4th fan with low voltage 6-4, humidification
Device 7, surface cooler 8, warm and humid sensor 9, the first aerosol detector 10-1 are constituted；Test system include the second electric butterfly valve 2-2,
Second electromagnetic flowmeter 3-2, fixture 11, slide glass 12, the second minipump 3-2, high efficiency particulate air filter 13；Automation control system
Mainly all of electric butterfly valve, fan with low voltage, electromagnetic flowmeter and minipump are connected by by computer controls terminal 14.
All connecting pipes are stainless steel, and caliber is between 0.1m；The volume of test box 5 is 2m3Between；All fan with low voltage turn
Velocity modulation section is in 400r/min.Filtering material to be tested is placed on the slide glass 12 of fixture 11, in the case of device is totally enclosed, if
Aerosol concentration is 0.2mg/m in flow velocity 1m/s, 25 DEG C of temperature, the humidity 50%, test box of fixed first electromagnetic flowmeter 4-13And
Clarification time is 3h., system can make temperature and humidity reach requirement, open aerosol generator by surface cooler 8 and humidifier 7
1st, the first electric butterfly valve 2-1 and the first minipump 3-1, the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd low pressure
Blower fan 6-3, the 4th fan with low voltage 6-4, after the first aerosol monitor 10-1 readings reach setting value, close the first electronic butterfly
Valve 2-1 and the first minipump 3-1 and the first fan with low voltage 6-1, the second fan with low voltage 6-2, the 3rd fan with low voltage 6-3,
Four fan with low voltage 6-4, open electric butterfly valve 2-2, the second minipump 3-2, according to the second aerosol monitor 10-2, the 3rd
The ratio of both aerosol monitor 10-3 is the strainability that can obtain filtering material, and test closes electric butterfly valve 2- after terminating
2nd, the second minipump 3-2.
Real-time Monitoring Data is obtained by test, the filter efficiency of this filtering material is up to 85%；Because data are real-time prison
Measured value, so by the way that with the time as transverse axis, filter efficiency is the longitudinal axis, the graph of a relation of time and filter efficiency will be obtained（Fig. 3）, most
The short clarification time is 1.5h, and the filter effect after 1.5h is not obvious.
Claims (3)
1. a kind of air cleaner or filtering material combined test stand, by aerosol occur system, hybrid system, test system and
Automation control system is constituted, it is characterised in that：
There is system by aerosol generator (1), the first electric butterfly valve (2-1), the first minipump (3-1) and the in aerosol
One electromagnetic flowmeter (4-1) is connected in sequence by pipeline；
Hybrid system is by test box (5), the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-
3), the 4th fan with low voltage (6-4), humidifier (7), surface cooler (8), warm and humid sensor (9) and the first aerosol detector (10-
1) constitute；Fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-3) and the 4th fan with low voltage (6-4) point
Not Wei Yu test box (5) surrounding, is provided with humidifier (7), surface cooler (8) in test box 5, test box (5) bottom is provided with temperature
Wet sensor (9) and the first aerosol detector (10-1)；
Test system includes the second electric butterfly valve (2-2), the second electromagnetic flowmeter (4-2), fixture (11), slide glass (12), second
Minipump (3-2), high efficiency particulate air filter 13, the second aerosol detector (10-2), the 3rd aerosol detector (10-3)；Survey
The examination side bottom of case (5) passes sequentially through the second electric butterfly valve (2-2), the second electromagnetic flowmeter (4-2), the second aerosol detector
(10-2) and pipeline jockey (11)；The side roof part of test box (5) passes sequentially through high efficiency particulate air filter (13), the second micro vacuum
Pump (3-2), the 3rd aerosol detector (10-3) and pipeline jockey (11)；Slide glass (12) is between fixture (11)；
Automation control system includes computer controls terminal (14)；The computer controls terminal (14) connects the first electricity respectively
Dynamic butterfly valve (2-1), the second electric butterfly valve (2-2), the first minipump (3-1), the second minipump (3-2), the first electricity
It is magnetic flowmeter (4-1), the second electromagnetic flowmeter (4-2), the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd low
Pressure fan (6-3), the 4th fan with low voltage (6-4), humidifier (7), surface cooler (8), warm and humid sensor (9), the inspection of the first aerosol
Survey device (10-1), the second aerosol detector (10-2) and the 3rd aerosol detector (10-3).
2. air cleaner according to claim 1 or filtering material combined test stand, it is characterised in that：All pipelines are equal
It is stainless steel, pipe diameter is 0.05-0.3m；Test box (5) is cube structure, and its volume is according to actual test need
Will, control in 1-10m3Between；All first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-3)
It is located at cornerwise 4 apexes of two strips in test box (5), the first fan with low voltage respectively with the 4th fan with low voltage (6-4)
Air outlet angle and the ground of (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-3) and the 4th fan with low voltage (6-4)
Into 30-45 degree angles, rotating speed is can adjust, rotating speed is 200-1000r/min, the first minipump (3-1) and second miniature
The range of vavuum pump (3-2) is in -0.1MPa-0；Computer controls terminal (14) is set, by controlling the first electronic butterfly
Valve (2-1), the second electric butterfly valve (2-2), make the first electromagnetic flowmeter (4-1), the second electromagnetic flowmeter reach constant flow rate, model
It is trapped among 0-5m/s.
3. a kind of method of testing of air cleaner as claimed in claim 1 or filtering material combined test stand, its feature exists
There are two kinds of test patterns in described method of testing：
（1）Filter test pattern：Filter to be tested is placed in the middle of test box (5), in the totally enclosed situation of testboard
Under, set the aerosol concentration in flow velocity, temperature, humidity and the test box (5) of the first electromagnetic flowmeter (4-1), testboard meeting
Temperature and humidity is reached requirement by surface cooler (8) and humidifier (7), open aerosol generator (1), the first electric butterfly valve
(2-1) and the first minipump (3-1), the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage
(6-3) and the 4th fan with low voltage (6-4), when the first aerosol monitor (10-1) reading reaches setting value, closes aerosol hair
Raw device (1), the first electric butterfly valve (2-1), the first minipump (3-1), the first fan with low voltage (6-1), the second fan with low voltage
(6-2), the 3rd fan with low voltage (6-3) and the 4th fan with low voltage (6-4), connect the power supply of filter to be measured, by one section of purification
After time, filter power supply is disconnected, open the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-
3) with the 4th fan with low voltage (6-4), after after the first aerosol monitor (10-1) stable reading, the first fan with low voltage (6- is closed
1), the second fan with low voltage (6-2), the 3rd fan with low voltage (6-3) and the 4th fan with low voltage (6-4), the first aerosol monitor
The ratio of reading is the filter efficiency of filter before and after (10-1)；
（2）Filtering material test pattern；Filtering material to be tested is placed on the slide glass of fixture (11) (12), totally-enclosed in device
In the case of, the aerosol concentration in flow velocity, temperature, humidity and the test box (5) of the first electromagnetic flowmeter (4-1) is set, be
System can make temperature and humidity reach requirement by surface cooler (8) and humidifier (7), opening aerosol generator (1), first electronic
Butterfly valve (2-1), the first minipump (3-1), the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd low-pressure air
Machine (6-3) and the 4th fan with low voltage (6-4), after the first aerosol monitor (10-1) reading reaches setting value, close first
It is electric butterfly valve (2-1) and the first minipump (3-1), the first fan with low voltage (6-1), the second fan with low voltage (6-2), the 3rd low
Pressure fan (6-3) and the 4th fan with low voltage (6-4), open electric butterfly valve (2-2), the second minipump (3-2), according to second
The ratio of both aerosol monitor (10-2), the 3rd aerosol monitor (10-3) is the filterability that can obtain filtering material
Can, test closes the second electric butterfly valve (2-2), the second minipump (3-2) after terminating.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421870A (en) * | 2017-07-31 | 2017-12-01 | 海宁文硕科技咨询有限公司 | A kind of filter bag test machine |
| CN109387601A (en) * | 2017-08-03 | 2019-02-26 | 裕亲有限公司 | Empty dirt test macro |
| CN110824109A (en) * | 2019-10-15 | 2020-02-21 | 同济大学 | Evaluation test method and test stand for dust holding performance of high-efficiency air filter material |
| CN111122406A (en) * | 2018-10-31 | 2020-05-08 | 北新集团建材股份有限公司 | Mineral wool board performance detection device and detection method |
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