CN207036622U - A kind of PM2.5 cutting heads - Google Patents
A kind of PM2.5 cutting heads Download PDFInfo
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- CN207036622U CN207036622U CN201721044914.3U CN201721044914U CN207036622U CN 207036622 U CN207036622 U CN 207036622U CN 201721044914 U CN201721044914 U CN 201721044914U CN 207036622 U CN207036622 U CN 207036622U
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- separator
- separation bin
- breather pipe
- head body
- cutting
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Abstract
It the utility model is related to atmosphere particle monitoring technical field, in particular a kind of PM2.5 cutting heads, including cutting head body, separation bin I and separator I, the separation bin I is arranged on the port of export of cutting head body, the separator I is arranged in separation bin I, it is connected by flexible pipe with water collect tank, ion generator, installed in the arrival end of the cutting head body；Pneumatic conveyer dryer, one end be arranged on ventilate it is two-tube on, the other end extends to the surface of the separator I；Separation bin II, it is connected with the exit of the separation bin I；Separator II, it is arranged in the separation bin II；Separator III, it is arranged in the separation bin II；Power supply, it is electrically connected with respectively with the ion generator, separator III by controlling switch.The utility model, there is pollution of the larger particles to cutter in the air that greatly avoids, obtain more accurately cutting grain flux, the characteristics of particle size analyzer detection error is small, precision is high.
Description
Technical field
Atmosphere particle monitoring technical field is the utility model is related to, specially a kind of PM2.5 cutting heads.
Background technology
Atmospheric particulates are dispersed in solid-state or the general name of liquid particles shape material in air.Particle diameter is 0.01 μm~100 μ
M Atmospheric particulates, it is referred to as overall suspended pellet TSP.It is big less than or equal to 2.5 μm that PM2.5 refers to aerodynamic diameter
Aerated particle thing.PM2.5 can enter human body alveolar, be referred to as lung particulate matter.PM2.5 easily suspends in the air for a long time,
Except lung can be entered, moreover it is possible into alveolar even blood.Cause lung and systemic inflammatorome, increase artery sclerosis, blood fat rise
Risk, cause cardiac arrhythmia, blood pressure rise etc..And PM2.5 harm is multiple, it can form gray haze, and reduction can be shown in
Degree, ecological environment can be also influenceed, and by long-distance sand transport, cause regional or global environmental problem, or even influence weather
Change, what PM2.5 had become environmental air quality monitoring must survey parameter.In Chinese Authorization Notice No. CN103018076B
A kind of particulate matter PM2.5 particle diameter cutter devices are devised, the prime particle size as enviromental monitoring equipment is cut, but its
The larger particulate matter of particle diameter also can may together enter escape pipe with particulate matter of the particle diameter less than 2.5 μm when work,
So as to influence to detect.
Utility model content
The purpose of this utility model is to provide a kind of PM2.5 cutting heads, asked with solve to propose in above-mentioned background technology
Topic.The PM2.5 cutting heads have pollution of the larger particles to cutter in the air greatly avoided, obtain more accurate
Cut grain flux, the characteristics of particle size analyzer detection error is small, precision is high.
To achieve the above object, the utility model provides following technical scheme：
A kind of PM2.5 cutting heads, including cutting head body, separation bin I and separator I, the separation bin I are arranged on cutting
The port of export of head body, the separator I are arranged in separation bin I, and it is connected by flexible pipe with water collect tank,
Ion generator, installed in the arrival end of the cutting head body；
Ventilate two-tube；One end is connected to the entrance of the cutting head body, the other end be located at the separator I just on
Side；
Pneumatic conveyer dryer, one end be arranged on ventilate it is two-tube on, the other end extends to the surface of the separator I；
Separation bin II, it is connected with the exit of the separation bin I；
Separator II, it is arranged in the separation bin II；
Separator III, it is arranged in the separation bin II；
Power supply, it is electrically connected with respectively with the ion generator, separator III by controlling switch.
Preferably, the ventilation is two-tube including two specification identical pipelines, wherein, it is tightly connected all the way with breather pipe I,
Another way is connected with the pneumatic conveyer dryer.
Preferably, the separator I includes breather pipe I, breather pipe II and water leg, wherein, the breather pipe I, which runs through, to be divided
From the particle size analyzer for being connected to detect air PM2.5 numbers of particles concentration behind storehouse II, the breather pipe II and separation bin II
Connection, the height of the water leg is less than breather pipe I, the height of breather pipe II, and it is additionally provided between pneumatic conveyer dryer
Drying layer.
Preferably, the exit of the separation bin II is connected with particle size analyzer.
Preferably, the separator II is made up of layer glass fibrous filter membrane, and the reserved cavity in centre, the separator III is put
In in the cavity.
Preferably, the separator III includes insulated ring and along the equally distributed electric discharge prong of its inner ring, the electric discharge
Prong passes through controlling switch and power sources in series.
Compared with prior art, the beneficial effects of the utility model are：Air is ionized by ion generator, will wherein
The two-tube equipartition of ventilation is entered after particulate matter is powered, all the way as the number concentration for referring to measurement and not cutting particle,
Another way enters back into the number concentration of separator II and the cut particle of the measurement of separator III through drying；Dry and avoid measurement from missing
Difference, layer glass fibrous filter membrane and electric discharge prong effect make the big particulate matter of the particle diameter in tested air be intercepted by filtering, pole
Pollution of the larger particles to cutter in the big air avoided, obtains more accurately cutting grain flux, particle size analyzer
Detection error is small, precision is high.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the schematic diagram of the utility model separator I；
Fig. 3 is the schematic diagram of the utility model separator II；
Fig. 4 is the overlook open schematic diagram of the utility model separator III.
In figure：1 cutting head body, 2 ion generators, two-tube, 5 pneumatic conveyer dryers of 3 separation bins I, 4 ventilation, 6 separators I,
60 breather pipes I, 62 breather pipes II, 7 water collect tanks, 8 separation bins II, 9 separators II, 10 separators III, 100 insulated rings, 101 electric discharges
Prong, 11 power supplys, 12 cover bodies, 13 air trajectories.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1~4 are referred to, the utility model provides a kind of technical scheme：
A kind of PM2.5 cutting heads, including cutting head body 1, separation bin I 3 and separator I 6, the separation bin I 3 are arranged on
The port of export of cutting head body 1, the separator I 6 are arranged in separation bin I 3, and it is connected by flexible pipe with water collect tank 7, is catchmented
Tank 7 is used to collect the water in air；
Ion generator 2, installed in the arrival end of the cutting head body 1；Ion generator 2 will go into cutting head sheet
Sample gas in body 1 is ionized, and makes particulate matter therein powered, it is gathered after being discharged the point discharge of prong 101 in pin
Around；
Ventilate two-tube 4；One end is connected to the entrance of the cutting head body 1, and the other end is being located at the separator I 6 just
Top；The ventilation two-tube 4 includes two specification identical pipelines, wherein, it is tightly connected all the way with breather pipe I 60, another way
It is connected with the pneumatic conveyer dryer 5, because the sample gas for being tightly connected such two-way pipe would not string；
The separator I 6 includes breather pipe I 60, breather pipe II 61 and water leg, except breather pipe I 60, breather pipe II 61 with
Separation bin II 8 is connected, and other are sealed with separation bin I 3, wherein, the breather pipe I 60 is connected to after running through separation bin II 8
The particle size analyzer of air PM2.5 numbers of particles concentration is detected, the breather pipe II 61 connects with separation bin II 8, described to catchment
The height of groove is less than breather pipe I 60, the height of breather pipe II 61, and it is additionally provided with drying layer between pneumatic conveyer dryer 5；
Pneumatic conveyer dryer 5, one end are arranged in ventilation two-tube 4, and the other end extends to the surface of the separator I 6；
Sample gas is first dried by pneumatic conveyer dryer 5, then passes through the drying layer again, the pneumatic conveyer dryer 5 uses
Activated carbon or fiber desiccant are contained in corrosion resistant housing, drying layer water absorbent net flaggy made of water-absorbing resin, is used for
The sample gas for entering breather pipe II 61 is dried, the two mutual cooperation booster action, controls the humidity of sample gas, reduce humidity
Influence to measurement result；
Separation bin II 8, it is connected with the exit of the separation bin I 3；The exit of the separation bin II 8 and granularmetric analysis
Instrument connects；Two specification identical pipelines ensure that air process averagely can enter breather pipe I 60, breather pipe II 61,
The number concentration of particle is cut as measurement as the number concentration that particle is not cut with reference to measurement, another way all the way,
And measured by particle size analyzer； Wherein, dacIt is the air force of sample gas test particle
Learn diameter, n1It is the number concentration of the particle of breather pipe II 61, n2For the number concentration of the particle of breather pipe I 60, P (dac) it is (being less than)
2.5 μm of particulate matter supplementary set efficiency, fits the cutting characteristic curve of aerodynamics and supplementary set efficiency, obtains D accordingly50With it is several
What standard deviation.
Separator II 9, it is arranged in the separation bin II 8；The separator II 9 is made up of layer glass fibrous filter membrane,
The reserved cavity in centre, the separator III 10 are placed in the cavity；Separator III 10, it is arranged in the separation bin II 8；It is described
Separator III 10 includes insulated ring 100 and passed through along the equally distributed electric discharge prong 101 of its inner ring, the electric discharge prong 101
Controlling switch is connected with power supply 11；Power supply 11, it is electrical with the ion generator 2, separator III 10 respectively by controlling switch
Connection；Power supply 11 is sent into ion generator 2 after controlling switch again transformation, is powered for ion generator 2, makes its work, mistake
Controlling switch is sent into electric discharge prong 101, puts its tip, the larger particle of such particle diameter gathers around it；And particle diameter is less than 2.5
μm particulate matter, flowed out with air-flow from the exit of separation bin II 8, and finally lead to and enter particle size analyzer, two layers among these
Glass fiber filter first layer carries out the larger particle filtering of particle diameter, and electric discharge prong 101 carries out second and filtered, and sample gas passes through again
Last layer of glass fiber filter causes the particulate matter very high purity that the particle diameter in sample gas is less than 2.5 μm, avoids particle diameter larger
Disturbance caused, the measurement accuracy that can be calibrated, the polarity of power supply 11 and particle charge phase after the ionization sample gas of ion generator 2
Instead, voltage 0.2KV, in order that sample gas is from breather pipe I 60, the outflow of separation bin II 8, it is necessary in exit cut-in quality flow control
Device and aspiration pump processed, this is known technology, and the utility model does not elaborate the public affairs for partly belonging to those skilled in the art
Know general knowledge, will not be described here；Wherein, ventilation two-tube 4 with breather pipe I 60, breather pipe I 60, breather pipe II 61 and granularmetric analysis
Instrument junction, separation bin I and the junction of separation bin II 8 are equipped with O-ring seals, safeguard for convenience, separator II 9, separation
Device III 10 is detachable assembling with separation bin II 8.
The course of work of the present utility model is：Air trajectory 13 is sample gas air-flow, is ionized through cover body 12, ion generator 2
Afterwards, ventilation two-tube 4 is entered, then has respectively entered breather pipe I 60, the breather pipe II 61 of separator I 6, the sample of breather pipe I 60
Gas is as the particle size analyzer entered with reference to measurement diameter for detecting air PM2.5 numbers of particles concentration, breather pipe II
61 sample gas enters separation bin II 8 after the drying of pneumatic conveyer dryer 5, and particle diameter is carried out in layer glass fibrous filter membrane first layer
Larger particle filtering, electric discharge prong 101 carry out second and filtered, and sample gas passes through the common work of last layer of glass fiber filter again
Under, the particulate matter higher than incising control is trapped within layer glass fibrous filter membrane and discharged around prong 101, and particle diameter is
2.5 μm of particulate matter was inhaled into particle size analyzer and analyzed (being less than)；So that the particle diameter in sample gas is less than 2.5 μm of particulate matter
Very high purity, obtain more accurately cutting grain flux, particle size analyzer detection error is small, precision is high.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of PM2.5 cutting heads, including cutting head body (1), separation bin I (3) and separator I (6), the separation bin I (3)
The port of export installed in cutting head body (1), the separator I (6) are arranged in separation bin I (3), and it is by flexible pipe with catchmenting
Tank (7) connects, it is characterised in that：
Ion generator (2), installed in the arrival end of the cutting head body (1)；
Ventilate two-tube (4)；One end is connected to the entrance of the cutting head body (1), and the other end is located at the separator I (6)
Surface；
Pneumatic conveyer dryer (5), one end, which is arranged on, ventilates on two-tube (4), and the other end extends to the surface of the separator I (6)；
Separation bin II (8), it is connected with the exit of the separation bin I (3)；
Separator II (9), it is arranged in the separation bin II (8)；
Separator III (10), it is arranged in the separation bin II (8)；
Power supply (11), it is electrically connected with respectively with the ion generator (2), separator III (10) by controlling switch.
A kind of 2. PM2.5 cutting heads according to claim 1, it is characterised in that：The ventilation two-tube (4) includes two rule
Lattice identical pipeline, wherein, it is tightly connected all the way with breather pipe I (60), another way is connected with the pneumatic conveyer dryer (5).
A kind of 3. PM2.5 cutting heads according to claim 1, it is characterised in that：The separator I (6) includes breather pipe I
(60), breather pipe II (61) and water leg, wherein, the breather pipe I (60) is connected to detection sky after running through separation bin II (8)
The particle size analyzer of gas PM2.5 numbers of particles concentration, the breather pipe II (61) connect with separation bin II (8), the water leg
Height be less than breather pipe I (60), the height of breather pipe II (61), and it is additionally provided with drying between pneumatic conveyer dryer (5)
Layer.
A kind of 4. PM2.5 cutting heads according to claim 1, it is characterised in that：The exit of the separation bin II (8) with
Particle size analyzer connects.
A kind of 5. PM2.5 cutting heads according to claim 1, it is characterised in that：The separator II (9) is by layer glass
Fibrous filter membrane is formed, and the reserved cavity in centre, the separator III (10) is placed in the cavity.
A kind of 6. PM2.5 cutting heads according to claim 1 or 5, it is characterised in that：The separator III (10) includes exhausted
Edge circle (100) and along its inner ring it is equally distributed electric discharge prong (101), it is described electric discharge prong (101) by controlling switch with
Power supply (11) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044914.3U CN207036622U (en) | 2017-08-21 | 2017-08-21 | A kind of PM2.5 cutting heads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044914.3U CN207036622U (en) | 2017-08-21 | 2017-08-21 | A kind of PM2.5 cutting heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036622U true CN207036622U (en) | 2018-02-23 |
Family
ID=61488061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721044914.3U Active CN207036622U (en) | 2017-08-21 | 2017-08-21 | A kind of PM2.5 cutting heads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352749A (en) * | 2019-06-11 | 2019-10-22 | 浙江大学 | One kind is for making plant be only exposed to PM2.5Or PM1Culture apparatus |
-
2017
- 2017-08-21 CN CN201721044914.3U patent/CN207036622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352749A (en) * | 2019-06-11 | 2019-10-22 | 浙江大学 | One kind is for making plant be only exposed to PM2.5Or PM1Culture apparatus |
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