CN109164027A - air filter performance test system - Google Patents
air filter performance test system Download PDFInfo
- Publication number
- CN109164027A CN109164027A CN201810968044.1A CN201810968044A CN109164027A CN 109164027 A CN109164027 A CN 109164027A CN 201810968044 A CN201810968044 A CN 201810968044A CN 109164027 A CN109164027 A CN 109164027A
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- air filter
- bellows
- air
- pressure
- downstream
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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
-
- 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- 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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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Air filter Performance Test System of the present invention, air filtration mechanism is connected to by air duct with bellows, bellows are connected to blower, it is placed in bellows and offers hole on the corresponding bellows side wall of regional location of air filter, the upstream of bellows inner region position is equipped with first pressure sensor and particle sensor, and the downstream of bellows inner region position is equipped with second pressure sensor and particle sensor；Air filtration mechanism obtains clean free from admixture air to Efficient air filtering is entered, and cleaned air enters in bellows through air duct；It is automatic to spray grey unit towards the hole spray ash on bellows side wall；First pressure sensor detects the pressure of air filter upstream, and the first particle sensor detects the dust granule number of air filter upstream；Second pressure sensor detects the pressure in the downstream of air filter, and the second particle sensor detects the dust granule number in the downstream of air filter；The dust granule for the filtering that processing unit calculates air filter according to the pressure and dust granule number of upstream and downstream counts.
Description
Technical field
The present invention relates to air filter technical fields, more particularly to a kind of air filter Performance Test System.
Background technique
Original filter capability measuring technology has the following problems: one, due to being surveyed using the method for measurement impurity weight
Filter clogging effect is tried, test result can not filter deimpurity ability by filter response comprehensively, can only measure filter and remove
The weight efficiency of impurity cannot measure the filter efficiency that filter removes different-grain diameter impurity, i.e., cannot react the mistake of filter
Filter precision.Two, acquisition sample is influenced by complicated environmental condition, and sample acquires insufficient, inaccurate and sample secondary pollution, is made
It is bigger than normal at test error.Three, product is remodeled inconvenience, no observation window.Four, pressure point is single, and error is big.Five, pipeline configuration
And material is poor, duct resistance is big.
Summary of the invention
The present invention is in view of the problems of the existing technology and insufficient, provides a kind of air filter Performance Test System.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of air filter Performance Test System, it is characterized in that comprising a blower, a bellows,
One air duct, an air filtration mechanism, an automatic spray ash unit and a processing unit, the air filtration mechanism pass through air duct and wind
Case is connected, and the bellows are connected with blower, for placing the corresponding wind of regional location of air filter in the bellows
Hole is offered on case side wall, the upstream for the regional location for being used to place air filter in the bellows is provided with first pressure biography
The downstream of sensor and the first particle sensor, the interior regional location for placing air filter of the bellows is provided with the second pressure
Force snesor and the second particle sensor；
The air filtration mechanism is used to carry out high efficiency filter to the air of entrance to obtain the air of clean free from admixture, does
The air of net free from admixture enters in bellows through air duct；
The automatic spray ash unit is used to spray ash towards the hole on bellows side wall；
The first pressure sensor is used to detect the pressure of the upstream of air filter, and first particle sensor is used
Dust granule number in the upstream of detection air filter；
The second pressure sensor is used to detect the pressure in the downstream of air filter, and second particle sensor is used
Dust granule number in the downstream of detection air filter；
The processing unit for sampling the upstream and downstream of air filter simultaneously, according to the pressure and dust granule of upstream
The dust granule that several and downstream pressure and dust granule number calculate the filtering of air filter counts.
Preferably, the upstream of the regional location in the bellows for placing air filter is enclosed equipped with the first ring type pressure
Pipeline, the first ring type pressure pipeline are equipped with multiple first pressure sensors, and the processing unit is for receiving multiple the
Pressure value that one pressure sensor transmits simultaneously takes the average value of those pressure values as the pressure of upstream.
Preferably, the downstream of the regional location in the bellows for placing air filter is enclosed equipped with the second ring type pressure
Pipeline, the second ring type pressure pipeline are equipped with multiple second pressure sensors, and the processing unit is for receiving multiple the
Pressure value that two pressure sensors transmit simultaneously takes the average value of those pressure values as the pressure in downstream.
Preferably, embedding on the corresponding bellows front in upstream for the regional location for being used to place air filter in the bellows
Equipped with visualization window, on the corresponding bellows front in the downstream of the regional location in the bellows for placing air filter
It is embedded with visualization window.
Preferably, the visualization window includes air inlet chamber door, tempered glass, the first sealing strip, cover board and the second sealing
Item, the bottom of the air inlet chamber door is articulated on bellows, top is connected on bellows, and the tempered glass passes through the first sealing strip
It is sealed in the interior along inboard of air inlet chamber door, the cover board is sealed in the interior along outside of air inlet chamber door by the second sealing strip.
Preferably, the automatic spray ash unit includes ashtray and ash-blowing tube road, the ash-blowing tube road is connected with ashtray,
Multiple ash-spraying nozzles are laid on the ash-blowing tube road.
Preferably, the air duct uses multiple stainless steel pipes, those stainless steel pipes pass through clamp connection.
Preferably, the air filtration mechanism include inlet plate, it is the first sealing plate, high efficiency particulate air filter, the second sealing plate, quiet
Press case, third sealing plate and side plate；
The high efficiency particulate air filter is sealed in the inside of plenum chamber by the second sealing plate, and the inlet plate passes through the first sealing
Plate is sealed in the bottom of plenum chamber, and the side of the plenum chamber offers a hole, and the side plate is sealed in by third sealing plate
In hole.
Preferably, the processing unit be computer, the system also includes rack, the computer, air filtration mechanism and
The automatic spray ash unit is placed in rack.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
The ability that present invention detection air filter filters out particle can not only measure air filtration using granule counting method
Device filters deimpurity weight efficiency, moreover it is possible to the filter efficiency that air filter filters out impurity different-diameter particle is measured, it can be anti-
It answers air filter to filter deimpurity efficiency, and air filter can be reacted and filter deimpurity precision, air can be reacted more comprehensively
Filter filters deimpurity integration capability.
The present invention uses totally-enclosed sampling system, and the method counted using automatic dynamic sampling on-line analysis, mentions significantly
High counting quality, avoids secondary pollution of the poor environment to sample.
Simultaneously to air filter upstream and downstream Dynamic sampling, the measurement for reducing air filter upstream and downstream misses the present invention
Difference.
The present invention is designed using completely new mechanism, is realized visualized operation to air filter to be tested, was entirely tested
Cheng Zhongke constantly observes the situation of air filter.
The present invention uses ring type pressure, greatly improves the accuracy of test pressure.
The present invention uses Novel filtration structure, effectively filters out introduced contaminants, introduced contaminants is avoided to enter air duct.
The present invention is dropped using the bright and clean stainless steel tube of advanced inner wall and its jointing instead of old flange steel tube significantly
The low resistance of ducting, greatly improves testing efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air filter Performance Test System of present pre-ferred embodiments.
Fig. 2 is the structural schematic diagram of the air filtration mechanism of present pre-ferred embodiments.
Fig. 3 is the structural schematic diagram of the bellows of present pre-ferred embodiments.
Fig. 4 is the structural schematic diagram of the visualization window of present pre-ferred embodiments.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of air filter Performance Test Systems comprising a blower 1, a bellows
2, grey unit 5, a processing unit 6 and bracket 7 are sprayed automatically in an air duct 3, an air filtration mechanism 4, one, and the processing unit 6 can
To use computer.
The processing unit 6, air filtration mechanism 4 and the automatic spray ash unit 5 are placed in rack, the air mistake
Filter structure 4 is connected by air duct 3 with bellows 2, and the bellows 2 are connected with blower 1, for placing air in the bellows 2
Hole is offered on the corresponding bellows side wall of the regional location of filter, is used to place the region of air filter in the bellows 2
The upstream of position is provided with first pressure sensor and the first particle sensor, is used to place air filter in the bellows 2
The downstream of regional location be provided with second pressure sensor and the second particle sensor, the automatic spray ash unit 5 is towards wind
Hole on 2 side wall of case, the first pressure sensor, the first particle sensor, second pressure sensor and the second particle sensing
Device is electrically connected with processing unit 6.
The air filtration mechanism 4 is used to carry out high efficiency filter to the air of entrance to obtain the air of clean free from admixture,
The air of clean free from admixture enters in bellows 2 through air duct 3, it is ensured that into the clean free from admixture of air in test macro.
Specifically, as shown in Fig. 2, the air filtration mechanism 4 includes inlet plate 41, the first sealing plate 42, high efficiency filter
Device 43, the second sealing plate 44, plenum chamber 45, third sealing plate 46 and side plate 47；The high efficiency particulate air filter 43 passes through the second sealing
Plate 44 is sealed in the inside of plenum chamber 45, and the inlet plate 41 is sealed in the bottom of plenum chamber 45, institute by the first sealing plate 42
The side for stating plenum chamber 45 offers a hole, and the side plate 47 is sealed in hole by third sealing plate 46.This structure guarantee into
Enter the air in plenum chamber 45 and have to pass through the progress high efficiency filter of high efficiency particulate air filter 43, it is ensured that is dry into the air in test macro
Net free from admixture.Using Novel filtration structure, introduced contaminants can be effectively filtered out, introduced contaminants is avoided to enter air duct.In addition, side plate
47 setting facilitates displacement high efficiency particulate air filter 43.
Blower 1 provides the flow and flow rate for testing necessary air-flow, i.e. offer negative pressure, is conducive to the air in bellows 2
Bottom is flowed by top.
The automatic spray ash unit 5 is used to spray ash towards the hole on 2 side wall of bellows.The automatic spray ash unit 5 includes spray
Grey device and ash-blowing tube road, the ash-blowing tube road are connected with ashtray, are laid with multiple ash-spraying nozzles, ash-spraying nozzle on the ash-blowing tube road
Mouthpiece diameter be 2mm.
The first pressure sensor is used to detect the pressure of the upstream of air filter, and first particle sensor is used
Dust granule number in the upstream of detection air filter；The second pressure sensor is used to detect the downstream of air filter
Pressure, second particle sensor be used for detect air filter downstream dust granule number；The processing unit 6 is used
It is sampled simultaneously in the upstream and downstream to air filter, according to the pressure of upstream and dust granule number and the pressure and dust in downstream
The dust granule that particle number basis calculates the filtering of air filter counts.
Preferably, see Fig. 3, the upstream for the regional location for being used to place air filter in the bellows 2 is enclosed equipped with first
Ring type pressure pipeline 21, the first ring type pressure pipeline 21 are equipped with multiple first pressure sensors, and the processing unit 6 is used
In receiving pressure value that multiple first pressure sensors transmit and take the average value of those pressure values as the pressure of upstream.It is described
It encloses equipped with the second ring type pressure pipeline 22, second ring in the downstream of regional location in bellows 2 for placing air filter
Formula pressure pipeline 22 is equipped with multiple second pressure sensors, and the processing unit 6 is for receiving multiple second pressure sensors
The pressure value that transmits simultaneously takes the average value of those pressure values as the pressure in downstream, using ring type pressure, greatly improves test pressure
The accuracy of power.
Being embedded on the corresponding bellows front in the upstream of regional location in the bellows 2 for placing air filter can
It is also embedding on the corresponding bellows front in the downstream of the regional location in the bellows 2 for placing air filter depending on change window 23
Equipped with visualization window 24.
Specifically, as shown in figure 4, the visualization window includes air inlet chamber door 231, tempered glass 232, the first sealing strip
233, cover board 234 and the second sealing strip 235, the bottom of the air inlet chamber door 231 is articulated on bellows 2, top is connected to bellows 2
On, the tempered glass 232 is sealed in the interior along inboard of air inlet chamber door 231 by the first sealing strip 233, and the cover board 234 is logical
It crosses the second sealing strip 235 and is sealed in the interior along outside of air inlet chamber door 231.It is designed using completely new mechanism, to air mistake to be tested
Filter realizes visualized operation, and the situation of air filter can be constantly observed in entire test process.
In addition, the air duct 3 uses multiple stainless steel pipes, those stainless steel pipes pass through clamp connection.Using advanced
The bright and clean stainless steel tube of inner wall and its jointing instead of old flange steel tube substantially reduce the resistance of ducting, greatly improve test
Efficiency.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (9)
1. a kind of air filter Performance Test System, which is characterized in that it includes a blower, a bellows, an air duct, an air
Filter mechanism, an automatic spray ash unit and a processing unit, the air filtration mechanism is connected by air duct with bellows, described
Bellows are connected with blower, offer on the corresponding bellows side wall of regional location in the bellows for placing air filter
The upstream in hole, the interior regional location for placing air filter of the bellows is provided with first pressure sensor and the first particle
The downstream of sensor, the interior regional location for placing air filter of the bellows is provided with second pressure sensor and second
Particle sensor；
The air filtration mechanism is used to carry out high efficiency filter to the air of entrance to obtain the air of clean free from admixture, clean nothing
The air of impurity enters in bellows through air duct；
The automatic spray ash unit is used to spray ash towards the hole on bellows side wall；
The first pressure sensor is used to detect the pressure of the upstream of air filter, and first particle sensor is for examining
Survey the dust granule number of the upstream of air filter；
The second pressure sensor is used to detect the pressure in the downstream of air filter, and second particle sensor is for examining
Survey the dust granule number in the downstream of air filter；
The processing unit for being sampled simultaneously to the upstream and downstream of air filter, according to the pressure of upstream and dust granule number with
And the pressure and dust granule number in downstream calculate the dust granule counting of the filtering of air filter.
2. air filter Performance Test System as described in claim 1, which is characterized in that for placing sky in the bellows
The upstream of the regional location of air filter is enclosed equipped with the first ring type pressure pipeline, and the first ring type pressure pipeline is equipped with multiple
First pressure sensor, the processing unit are used to receive the pressure value that multiple first pressure sensors transmit and take those pressure
Pressure of the average value of value as upstream.
3. air filter Performance Test System as described in claim 1, which is characterized in that for placing sky in the bellows
The downstream of the regional location of air filter is enclosed equipped with the second ring type pressure pipeline, and the second ring type pressure pipeline is equipped with multiple
Second pressure sensor, the processing unit are used to receive the pressure value that multiple second pressure sensors transmit and take those pressure
Pressure of the average value of value as downstream.
4. air filter Performance Test System as described in claim 1, which is characterized in that for placing sky in the bellows
The upstream of the regional location of air filter is embedded with visualization window on corresponding bellows front, is used to place sky in the bellows
The downstream of the regional location of air filter is also embedded with visualization window on corresponding bellows front.
5. air filter Performance Test System as claimed in claim 4, which is characterized in that the visualization window include into
The bottom of gas tank door, tempered glass, the first sealing strip, cover board and the second sealing strip, the air inlet chamber door is articulated on bellows, pushes up
Portion is connected on bellows, and the tempered glass is sealed in the interior along inboard of air inlet chamber door by the first sealing strip, and the cover board is logical
It crosses the second sealing strip and is sealed in the interior along outside of air inlet chamber door.
6. air filter Performance Test System as described in claim 1, which is characterized in that the automatic spray ash unit includes
Ashtray and ash-blowing tube road, the ash-blowing tube road are connected with ashtray, are laid with multiple ash-spraying nozzles on the ash-blowing tube road.
7. air filter Performance Test System as described in claim 1, which is characterized in that the air duct is using multiple stainless
Steel conduit, those stainless steel pipes pass through clamp connection.
8. air filter Performance Test System as described in claim 1, which is characterized in that the air filtration mechanism includes
Inlet plate, the first sealing plate, high efficiency particulate air filter, the second sealing plate, plenum chamber, third sealing plate and side plate；
The high efficiency particulate air filter is sealed in the inside of plenum chamber by the second sealing plate, and the inlet plate is close by the first sealing plate
It is enclosed in the bottom of plenum chamber, the side of the plenum chamber offers a hole, and the side plate is sealed in hole by third sealing plate.
9. air filter Performance Test System as described in claim 1, which is characterized in that the processing unit is computer,
The system also includes rack, the computer, air filtration mechanism and the automatic spray ash unit are placed in rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968044.1A CN109164027A (en) | 2018-08-23 | 2018-08-23 | air filter performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968044.1A CN109164027A (en) | 2018-08-23 | 2018-08-23 | air filter performance test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109164027A true CN109164027A (en) | 2019-01-08 |
Family
ID=64896554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968044.1A Pending CN109164027A (en) | 2018-08-23 | 2018-08-23 | air filter performance test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109164027A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940627A (en) * | 2019-12-06 | 2020-03-31 | 苏州工业园区安泽汶环保技术有限公司 | Filter screen service life detection device and detection method thereof |
| CN111521538A (en) * | 2020-04-30 | 2020-08-11 | 佛山市顺德区阿波罗环保器材有限公司 | Device for detecting material resistance and filter element production equipment with same |
| CN113237812A (en) * | 2021-05-07 | 2021-08-10 | 宁波威霖住宅设施有限公司 | Device for detecting filtering effect of gas-phase filtering material and using method |
| CN117760936A (en) * | 2024-02-22 | 2024-03-26 | 沈阳格瑞普环保技术有限公司 | Filter element processing testing device and method |
| CN117760936B (en) * | 2024-02-22 | 2024-04-30 | 沈阳格瑞普环保技术有限公司 | Filter element processing testing device and method |
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Application publication date: 20190108 |
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