CN105334148A - Air purification filter element performance analysis detector - Google Patents
Air purification filter element performance analysis detector Download PDFInfo
- Publication number
- CN105334148A CN105334148A CN201410382704.XA CN201410382704A CN105334148A CN 105334148 A CN105334148 A CN 105334148A CN 201410382704 A CN201410382704 A CN 201410382704A CN 105334148 A CN105334148 A CN 105334148A
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- filter core
- air
- test box
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- hatch door
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Abstract
An air purification filter element performance analysis detector includes a cuboid test box, and an air inlet hatch door and an air outlet hatch door, which are respectively arranged in the middle of the front and back sides of the test box; a filter element neck is in the middle of the cuboid test box; the filter element is in clamp connection in the filter element neck of the test box; the changes of pressure drop with time are recorded by the changes of the mercury height of a U-type tube pressure gauge; an air inlet cabin hygrometer and an air outlet cabin hygrometer record the changes of the temperature with time on both sides; and an air inlet sampling tube and an air outlet sampling tube collect the sample to record the changes of the air sample concentration with time on both sides. The invention has the advantages of simple structure, wide applicability and low production cost; the size of the filter element neck can be designed according to customer demand; the detector overcomes the defects of air purification filter element performance analysis scheme and the lack of equipment, can effectively conduct detection of performances of purification rate and wind resistance of various air purifying filter elements, and is of great value in the market.
Description
Technical field
The present invention relates to technical field of air purification, be specifically related to a kind of air purifying filter core performance evaluation detecting device.
Background technology
Along with improving constantly of expanding economy and living standards of the people, people are also improving constantly the requirement of air quality, but the raising of the continuous increase of automobile quantity and social urbanization industrialized level, make the use amount of the mineral fuel such as colliery, oil in continuous increase, thing followed impact be the packet content of molecule in air also in raising, these molecules are very easy to, by breathing, enter human respiratory tract's system, cause breathing problem, affect the health of human body.Meanwhile, uneven finishing material also makes the toxic and harmfuls such as the formaldehyde in home environment get more and more, and purifies, ensures the quality of air, have important meaning to guarantee the healthy of the people to air.At present, on market, the kind of air clearing product is a lot, for the air purification facility of tiny dust particles in air, principle of work is roughly filtration core by superfine or filtration core, air is filtered, and stop or absorption tiny dust particles, for this air purification facility, if the filtration eyelet of filtration core is too large, the effect of purification of air will be affected, so the filtration core of this air purification facility or the filtration eyelet of filtration core are general very fine and closely woven, as easy as rolling off a log blocking, needs often to change.
Now under condition, as the filter core of air purifier core component, the quality of its performance directly affects the quality of product itself, but current most detection platform and detecting device are all detect for clarifier, there is no and carries out analyzing the equipment appearance detected for air purifying filter core performance.
Summary of the invention
The object of the invention is to make up the defect that prior art and product scope exist, provide a kind of structure simple, applicability is wide, can the air purifying filter core performance evaluation detecting device various material filter core being carried out to Performance Detection of efficient quick.
Technical scheme of the present invention is:
A kind of air purifying filter core performance evaluation detecting device, the air inlet hatch door comprising a rectangular parallelepiped test box and be arranged at respectively before and after test box in the middle of two sides and hatch door of giving vent to anger, described rectangular parallelepiped test box middle is provided with filter core draw-in groove, described rectangular parallelepiped test box top respectively has an aperture and is used for respectively connecting air inlet sampling pipe and sampling pipe of giving vent to anger along filter core draw-in groove both sides, described rectangular parallelepiped test box top has two little aperture apparatus U-tube pressure gauges along filter core draw-in groove both sides, described rectangular parallelepiped test box inwall is respectively equipped with inlet air compartment Hygrothermograph and cabin Hygrothermograph of giving vent to anger in filter core draw-in groove both sides, described rectangular parallelepiped test box top is also provided with stopwatch.
Mercury is equipped with in described U-tube pressure gauge inside, is detected the leeway of cabin, filter core draw-in groove both sides body by the difference in height of both sides mercury slug.
The valve of opening of described stopwatch and air inlet hatch door is linked by electric-control system, and while valve opening, stopwatch starts timing.
Described air inlet hatch door and hatch door of giving vent to anger all adopt push-pull structure.
A kind of method implementing air purifying filter core performance evaluation detecting device of the present invention is as follows:
(1) be installed in the filter core draw-in groove of detecting device test box by seamless for detection filter core to be analyzed, ensure the sealing of filter core and filter core draw-in groove engagement edge;
(2) open hatch door of giving vent to anger, close air inlet hatch door, by air inlet hatch and standard distribution concentration C 0(mg/m
3) supply air system connect, set air output Q(m
3/ h) after, open air inlet hatch door, linked by electric-control system simultaneously and automatically start stop watch figures;
(3) by the both sides pressure drop of U-tube pressure gauge mercury height change record filter core over time, change in time respectively by inlet air compartment Hygrothermograph and Hygrothermograph record both sides, cabin humiture of giving vent to anger, record by sampling pipe collected specimens of giving vent to anger the gas sample concentration Ct over time that gives vent to anger;
(4) be figure to the variation tendency of Ct and t and obtain filter core breakthrough curve, when exit concentration Ct reaches C0 value one half, recording this time mark is tc, and filter core single purifying rate is better, and tc value is higher, and performance is better.
Structure of the present invention is simple, applicability is wide, production cost is low, the size of filter core draw-in groove can be designed according to customer demand, overcome the defect that air purifying filter core performance analysis schemes and equipment lack, effectively can carry out the detection of the performance such as purifying rate and windage to various air purifying filter core, there is great marketable value.
Accompanying drawing explanation
Fig. 1 is air purifying filter core performance evaluation detecting device perspective view of the present invention.
Fig. 2 is air purifying filter core performance evaluation detecting device front elevation of the present invention.
In figure, 1-air inlet hatch door; 2-air inlet sampling pipe; 3-gives vent to anger sampling pipe; 4-U type tube manometer; 5-stopwatch; 6-inlet air compartment temperature & relative humidity indicator; 7-gives vent to anger cabin temperature & relative humidity indicator; 8-filter core draw-in groove; 9-test box; 10-gives vent to anger hatch door.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, a kind of air purifying filter core performance evaluation detecting device, the air inlet hatch door 1 comprising a rectangular parallelepiped test box 9 and be arranged at respectively before and after test box in the middle of two sides and hatch door 10 of giving vent to anger, described rectangular parallelepiped test box 9 middle is provided with filter core draw-in groove 8, described rectangular parallelepiped test box 9 top respectively has an aperture and is used for respectively connecting air inlet sampling pipe 2 and sampling pipe 3 of giving vent to anger along filter core draw-in groove 8 both sides, described rectangular parallelepiped test box 9 top has two little aperture apparatus U-tube pressure gauges 4 along filter core draw-in groove 8 both sides, described rectangular parallelepiped test box 9 inwall is respectively equipped with inlet air compartment Hygrothermograph 6 and cabin Hygrothermograph 7 of giving vent to anger in filter core draw-in groove 8 both sides, described rectangular parallelepiped test box 9 top is also provided with stopwatch 5.
The principle of work of the specific embodiment of the invention is described below: the filter core draw-in groove 8 li first filter core installing card to be measured being connected to test box 9, ensure the sealing of filter core to be measured and casing engagement edge, opening hatch door 10 of giving vent to anger subsequently, close air inlet hatch door 1, is C by air inlet hatch 1 and containing concentration
0the standard configuration gas supply air system of gas connects, open air inlet hatch door 1, automatically start stopwatch 5 reading by electric-control system interlock simultaneously, stopwatch 5 reading by minute in units of, be designated as t, by the both sides pressure drop of U-tube pressure gauge 4 mercury height change record filter core over time, record both sides humiture respectively by inlet air compartment Hygrothermograph 6 and cabin Hygrothermograph 7 of giving vent to anger to change in time, respectively by air inlet sampling pipe 2 with give vent to anger sampling pipe 3 collected specimens to record both sides gas sample concentration over time, sampling pipe 3 collected specimens of wherein giving vent to anger gas sample concentration over time numerical value is designated as C
t, with C
tvariation tendency with t does the breakthrough curve that figure obtains filter core to be measured, works as C
t=C
0when/2, recording this time is t
c, be the time of break-through of this filter core, judge the quality of filter core performance according to the size of time of break-through.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (5)
1. an air purifying filter core performance evaluation detecting device, the air inlet hatch door (1) comprising a rectangular parallelepiped test box (9) and be arranged at respectively before and after test box in the middle of two sides and hatch door of giving vent to anger (10), described rectangular parallelepiped test box (9) middle is provided with filter core draw-in groove (8), described rectangular parallelepiped test box (9) top respectively has an aperture and is used for respectively connecting air inlet sampling pipe (2) and sampling pipe of giving vent to anger (3) along filter core draw-in groove (8) both sides, described rectangular parallelepiped test box (9) top has two little aperture apparatus U-tube pressure gauges (4) along filter core draw-in groove (8) both sides, described rectangular parallelepiped test box (9) inwall is respectively equipped with inlet air compartment Hygrothermograph (6) and cabin Hygrothermograph (7) of giving vent to anger in filter core draw-in groove (8) both sides, described rectangular parallelepiped test box (9) top is also provided with stopwatch (5).
2. air purifying filter core performance evaluation detecting device according to claim 1, be is characterized in that mercury is equipped with in described U-tube pressure gauge (4) inside, is detected the leeway of filter core draw-in groove (8) cabin, both sides body by the difference in height of both sides mercury slug.
3. air purifying filter core performance evaluation detecting device according to claim 1, it is characterized in that described stopwatch (5) is linked by electric-control system with the valve of opening of air inlet hatch door (1), while valve opening, stopwatch (5) starts timing.
4. air purifying filter core performance evaluation detecting device according to claim 1, is characterized in that described air inlet hatch door (1) and hatch door of giving vent to anger (10) all adopt push-pull structure.
5. implement the claims a method for air purifying filter core performance evaluation detecting device described in 1, it is characterized in that:
(1) be installed in the filter core draw-in groove (8) of detecting device test box (9) by seamless for detection filter core to be analyzed, ensure the sealing of filter core and filter core draw-in groove (8) engagement edge;
(2) open hatch door (10) of giving vent to anger, close air inlet hatch door (1), by air inlet hatch and standard distribution concentration C 0(mg/m
3) supply air system connect, set air output Q(m
3/ h) after, open air inlet hatch door (1), linked by electric-control system simultaneously and automatically start stopwatch (5) reading;
(3) by the both sides pressure drop of U-tube pressure gauge (4) mercury height change record filter core over time, change in time respectively by inlet air compartment Hygrothermograph (6) and cabin Hygrothermograph (7) of giving vent to anger record both sides humiture, record by sampling pipe of giving vent to anger (3) collected specimens the gas sample concentration Ct over time that gives vent to anger;
(4) be figure to the variation tendency of Ct and t and obtain filter core breakthrough curve, when exit concentration Ct reaches C0 value one half, recording this time mark is tc, and filter core single purifying rate is better, and tc value is higher, and performance is better.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382704.XA CN105334148A (en) | 2014-08-06 | 2014-08-06 | Air purification filter element performance analysis detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382704.XA CN105334148A (en) | 2014-08-06 | 2014-08-06 | Air purification filter element performance analysis detector |
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| Publication Number | Publication Date |
|---|---|
| CN105334148A true CN105334148A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410382704.XA Pending CN105334148A (en) | 2014-08-06 | 2014-08-06 | Air purification filter element performance analysis detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290746A (en) * | 2016-10-31 | 2017-01-04 | 合肥美菱股份有限公司 | A kind of abnormal flavour test box |
| CN106769766A (en) * | 2016-12-23 | 2017-05-31 | 奇竹（北京）科技发展有限公司 | Cylinder air purifying filter element performance evaluation detector |
| CN108498967A (en) * | 2018-02-26 | 2018-09-07 | 南昌大学 | A kind of water column pressure measurement mask type continuous positive pressure PM2.5 filters of personal use |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290746A (en) * | 2016-10-31 | 2017-01-04 | 合肥美菱股份有限公司 | A kind of abnormal flavour test box |
| CN106769766A (en) * | 2016-12-23 | 2017-05-31 | 奇竹（北京）科技发展有限公司 | Cylinder air purifying filter element performance evaluation detector |
| CN108498967A (en) * | 2018-02-26 | 2018-09-07 | 南昌大学 | A kind of water column pressure measurement mask type continuous positive pressure PM2.5 filters of personal use |
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Application publication date: 20160217 |