CN107036859A - Multistage particulate matter cutter - Google Patents
Multistage particulate matter cutter Download PDFInfo
- Publication number
- CN107036859A CN107036859A CN201611194696.1A CN201611194696A CN107036859A CN 107036859 A CN107036859 A CN 107036859A CN 201611194696 A CN201611194696 A CN 201611194696A CN 107036859 A CN107036859 A CN 107036859A
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- China
- Prior art keywords
- adsorption layer
- cutting box
- particulate matter
- nozzle
- filter bores
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000013618 particulate matter Substances 0.000 title claims abstract description 41
- 238000001179 sorption measurement Methods 0.000 claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 10
- 229920002545 silicone oil Polymers 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 241000237509 Patinopecten sp. Species 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 235000020637 scallop Nutrition 0.000 claims description 5
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 238000007363 ring formation reaction Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Filtering Materials (AREA)
Abstract
Present invention mainly discloses Multistage particulate matter cutter, including airscoop shroud, filter screen in airscoop shroud, nozzle, cutting box and sealing ring, cutting box is connected with airscoop shroud inner wall sealing, filter screen and nozzle are provided with filter bores, first cutting box upper surface is provided with the first adsorption layer corresponding with above and below the filter bores at top, opposite side on first cutting box positioned at the first adsorption layer is provided with by-pass filtration hole, second cutting box upper surface is provided with the second adsorption layer corresponding with above and below by-pass filtration hole, opposite side on second cutting box positioned at the second adsorption layer is provided with secondary filtration hole, this structure good cutting effect, upper cutting box adsorption layer, filter bores in filter bores and lower cutting box, adsorption layer is corresponded to respectively, under effect of inertia, bulky grain is avoided to being adsorbed onto in filter bores, so as to block filter bores；Adsorption layer is easy to the cleaning to particulate matter by the absorption to bulky grain thing, while avoiding the shock of bulky grain thing and other particles after absorption and reducing cutting efficiency.
Description
Technical field
The present invention relates to a kind of particulate matter filter device, and in particular to a kind of Multistage particulate matter cutter.
Background technology
With the fast development and the swift and violent increase of vehicle guaranteeding organic quantity of social economy, China's environmental air pollution is increasingly
Significantly, regional atmosphere polluting problem is on the rise, and air PM2.5 pollutions in developed regions are on the rise, into future pollution
The trend of development, not only causes visibility to reduce, and also causes resident's circulatory system and respiratory system morbidity and mortality to rise,
Harm is produced to health.
At present, conventional cutter for particles is not only complicated, technological requirement is high, it is expensive, operation and transport not
Just, easy care difficulty is big, be difficult to promote, and the filter on cutter is generally by parts such as nozzle, filter, filter bores
Composition, cut particle stays in nozzle, on filter after cutter is filtered repeatedly, even filter bores, if clear not in time
Wash, can not just continue normal cutting.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides Multistage particulate matter cutter, and the above can be overcome to lack
Fall into.
In order to achieve the above object, the present invention is achieved through the following technical solutions：Multistage particulate matter cutter, including enter
Gas hood, be provided with the top of airscoop shroud in air admission hole, airscoop shroud be sequentially provided with from top to bottom the filter screen for sealing against each other connection, nozzle,
First cutting box, the second cutting box and sealing ring, the second cutting box are connected with airscoop shroud inner wall sealing, if filter screen is provided with
Dry first filter bores, have to be formed in an impulse chamber, nozzle between nozzle and filter screen and are located at impulse chamber bottom provided with the
Two filter bores, the first cutting box upper surface is provided with the first adsorption layer corresponding with above and below the second filter bores, and the first cutting box is upper
By-pass filtration hole is provided with the opposite side of the first adsorption layer, the second cutting box upper surface is provided with corresponding up and down with by-pass filtration hole
The second adsorption layer, the opposite side that the second adsorption layer is located on the second cutting box is provided with secondary filtration hole.
As preferred：The by-pass filtration hole is located in the middle part of the first cutting box, and the first adsorption layer is located at by-pass filtration hole
Edge, the second adsorption layer is located in the middle part of the second cutting box, and secondary filtration hole is located at the second adsorption layer edge, and the second filter bores are located at
Nozzle bottom edge, the first adsorption layer and the second adsorption layer are made up and density respectively 5.4Kg/m of powder metallurgy3With
4.8Kg/m3, scribble in the first adsorption layer, the second adsorption layer and filter screen for adsorption particle thing can viscous oil.
By inlaying the first adsorption layer and the second adsorption layer on cutting box, and in the first adsorption layer and the second adsorption layer
It is absorbable can viscous oil, rational in infrastructure, granular absorption effect is good, is easy to cleaning, and easily manufactured, the first adsorption layer and second
Adsorption layer is made up of powder metallurgy.
As preferred：It is described can viscous oil use silicone oil, the first adsorption layer and the second adsorption layer are by powder of stainless steel system
Into.
As preferred：Second filter bores are provided with four and uniform ring is located at nozzle bottom, first adsorption layer
It is located at the first cutting box edge and is arranged to loop configuration.
As preferred：The nozzle is using cylindrical structural and inside is provided with a groove, and the second filter bores are located at groove-bottom
Portion.
As preferred：Second cutting box is tightly connected with airscoop shroud inwall by sealing ring, the bottom of the second cutting box 5
Provided with the step coordinated with sealing ring.
As preferred：The filter screen, which is used, is uniformly provided with multiple polygonal first filterings in filter screen 2, filter screen
Hole, nozzle bottom is provided with four polygonal second filter bores.
As preferred：The by-pass filtration hole is hexagonal hole, and secondary filtration hole is set using four scallop holes and uniform ring
Around the second adsorption layer.
As preferred：The air admission hole is provided with four and uniform ring is located at the top edge of airscoop shroud.
The present invention has the beneficial effect that：
First, this cutter is cut using multistage, good cutting effect, upper cutting box adsorption layer, filter bores and lower cutting box
On filter bores, adsorption layer correspond to respectively, it is rational in infrastructure, under the effect of inertia of particle, it is to avoid bulky grain is to being adsorbed onto filtering
In hole, so as to block filter bores；Second, adsorption layer is easy to follow-up to particle by the absorption to bulky grain thing, advantages of good adsorption effect
The cleaning of thing, while avoiding the shock of bulky grain thing and other particles after absorption and reducing cutting efficiency.
Brief description of the drawings
Fig. 1 is exploded perspective view of the invention；
Fig. 2 is the structure chart of airscoop shroud in the embodiment of the present invention；
Fig. 3 is the structural representation of filter screen of the present invention；
Fig. 4 is the structural representation of nozzle in the embodiment of the present invention；
Fig. 5 is the structural representation of the first cutting box in the embodiment of the present invention；
Fig. 6 is the second cutting box structural representation in the embodiment of the present invention；
Fig. 7 is the structural representation of the second cutting box bottom in the embodiment of the present invention.
Brief description of the drawings：1st, airscoop shroud；2nd, filter screen；3rd, nozzle；4th, the first cutting box；5th, the second cutting box；6th, sealing ring；
7th, step；8th, the first filter bores；9th, the second filter bores；10th, the first adsorption layer；11st, air admission hole；12nd, impulse chamber；13rd, one-level mistake
Filter opening；14th, the second adsorption layer；15th, secondary filtration hole.
Embodiment
With reference to accompanying drawing, present pre-ferred embodiments are described in further details.
Embodiment 1
Show such as Fig. 1-7, Multistage particulate matter cutter, including airscoop shroud 1, the top of airscoop shroud 1 is provided with air admission hole 11, airscoop shroud
The filter screen 2 for sealing against each other connection, nozzle 3, the first cutting box 4, the second cutting box 5 and close are sequentially provided with 1 from top to bottom
Seal 6, the second cutting box 5 is connected with the inner wall sealing of airscoop shroud 1, filter screen 2 be provided with several first filter bores 8, nozzle 3 with
Have to be formed in an impulse chamber 12, nozzle 3 between filter screen 2 and be located at the bottom of impulse chamber 12 provided with the second filter bores 9, first cuts
Cut the upper surface of box 4 and be provided with and be located at the first absorption about 9 on corresponding first adsorption layer 10, the first cutting box 4 with the second filter bores
Layer 10 opposite side be provided with by-pass filtration hole 13, the upper surface of the second cutting box 5 be provided with by-pass filtration hole about 13 it is corresponding
Opposite side on second adsorption layer 14, the second cutting box 5 positioned at the second adsorption layer 14 is provided with secondary filtration hole 15；The one-level
Filter bores 13 are located at the middle part of the first cutting box 4, and the first adsorption layer 10 is located at the edge in by-pass filtration hole 13, and the second adsorption layer 14 is set
At the middle part of the second cutting box 5, secondary filtration hole 15 is located at the edge of the second adsorption layer 14, and the second filter bores 9 are located at the bottom sides of nozzle 3
Edge, the first adsorption layer 10 and the second adsorption layer 14 are made up and density respectively 5.4Kg/m of powder metallurgy3And 4.8Kg/m3,
Scribbled in first adsorption layer 10, the second adsorption layer 14 and filter screen 2 for adsorption particle thing can viscous oil；It is described to glue
Property oil uses silicone oil, and the first adsorption layer 10 and the second adsorption layer 14 are made by powder of stainless steel；Second filter bores 9 are provided with
Four and uniform ring is located at the bottom of nozzle 3, first adsorption layer 10 is located at the edge of the first cutting box 4 and is arranged to ring junction
Structure；The nozzle 3 is using cylindrical structural and inside is provided with a groove, and the second filter bores 9 are located at bottom portion of groove；Described second cuts
Cut box 5 to be tightly connected by sealing ring 6 with the inwall of airscoop shroud 1, the bottom of the second cutting box 5 is provided with the step coordinated with sealing ring 6
7；The filter screen 2 is used and is uniformly provided with multiple polygonal first filter bores 8 in filter screen 2, filter screen 2, and the bottom of nozzle 3 is set
There are four polygonal second filter bores 9；The by-pass filtration hole 13 is hexagonal hole, and secondary filtration hole 15 is using four sectors
Simultaneously uniform ring is located at around the second adsorption layer 14 in hole；The air admission hole 11 is provided with four and uniform ring is located at the top of airscoop shroud 1
Edge.
During practical operation, PM1.0：Particulate matter in air enters cutting by four air admission holes 11 of airscoop shroud side
In device, particulate matter first passes around multiple equirotal pentagonal first filter bores 8 in filter screen 2, filter screen 2, due to mistake
The surface of reseau 2 is scribbled with silicone oil, when diameter >=1.4 millimeter of particulate matter, will be stayed in filter screen 2, will not be entered
The next part of cutter, silicone oil has certain adsorptivity, can be some hairs, soft flocks absorption on the surface of filter screen 2, diameter
The particulate matter that 1.4 millimeters of ＜ is down through nozzle, and the edge uniform ring of nozzle 3 has the second filter bores 9 of 4 hexagons, the
There is a certain distance in the face of plane to the filter screen 22 in the hole of two filter bores 9, forms the impulse chamber 12 of a particulate matter, works as particulate matter
Entered from the first filter bores 8 after nozzle 3, because flow inertance can produce certain weight, when the milli of diameter >=0.2 of particulate matter
Meter Shi Hui is stayed in nozzle 3, will not enter next part of cutter, and the particulate matter that 0.2 millimeter of diameter ＜ passes through in nozzle
Between 4 the second filter bores of hexagon 9 enter the cutting box 4 of the first cutting box 4 first and be made of plastics, centre studs with stainless steel
First adsorption layer 10 of powder pressing forming, because stainless steel alloy material density is relatively low, density is respectively 5.4Kg/m3, shaping
Many tiny holes for being used to absorb silicone oil are had afterwards, because flow inertance can produce certain weight, as particulate matter diameter ＞
At 2.5 microns, impinge upon on the first cutting box 4, can be adsorbed by the silicone oil on the surface of the first cutting box 4, diameter≤2.5 micron
Particulate matter by the by-pass filtration hole 13 of the hexagon in the middle of the first cutting box 4 enter the cutting box 5 of the second cutting box 5 second by
Plastics are made, and centre studs with the second compressing adsorption layer 14 of powder of stainless steel, and alloy material density is relatively low, and (density is
4.8Kg/m3), many tiny holes for absorbing silicone oil are had after shaping, because flow inertance can produce certain weight, when
During 1.0 microns of grain thing diameter ＞, impinge upon on the second cutting box 5, can be adsorbed by the silicone oil on the surface of the second cutting box 5, diameter
≤ 1.0 microns of particulate matter enters instrument internal by four scallop holes in the middle of the second cutting box 5, is detected, cutter
Bottommost sealing ring 6 is housed, between the outer wall and airscoop shroud inwall to ensure cutter Inner plastic part gap stay into
Grain thing will not enter instrument internal.
Embodiment 2
PM2.5：Difference with embodiment 1 is, after particle enters nozzle, because flow inertance can produce certain weight
Amount, can stay in nozzle when diameter >=0.4 millimeter of particulate matter, will not enter next part of cutter, diameter ＜
0.4 millimeter of particulate matter enters the first cutting box 4 by the second filter bores 9 of 4 hexagons in the middle of nozzle, due to air-flow
Inertia can produce certain weight, as 4 microns of particulate matter diameter ＞, impinge upon on the first cutting box 4, can be by the first cutting box
The silicone oil on 4 surfaces is adsorbed, and the particulate matter of diameter≤4 micron enters second by the hexagonal hole in the middle of the first cutting box 4
Cutting box 5, because flow inertance can produce certain weight, as 2.5 microns of particulate matter diameter ＞, impinges upon the second cutting box
On 5, can be adsorbed by the silicone oil on the surface of the second cutting box 5, the particulate matters of diameter≤2.5 micron by the second cutting box 5 in the middle of
Four scallop holes enter instrument internal, are detected.
Embodiment 3
PM10：Difference with embodiment 1 is, after particulate matter enters nozzle from surrounding, because flow inertance can be produced
Certain weight, can be stayed in nozzle when diameter >=1 millimeter of particulate matter, will not enter next part of cutter, directly
The particulate matter that 1 millimeter of footpath ＜ enters the first cutting box 4 by the second filter bores 9 of 4 hexagons in the middle of nozzle 3, due to
Flow inertance can produce certain weight, as 12 microns of particulate matter diameter ＞, impinge upon on the first cutting box 4, can be by first
The silicone oil on the surface of cutting box 4 is adsorbed, and the particulate matter of diameter≤12 micron is entered by the hexagonal hole in the middle of the first cutting box 4
To the second cutting box 5, because flow inertance can produce certain weight, as 10 microns of particulate matter diameter ＞, second is impinged upon
On cutting box 5, it can be adsorbed by the silicone oil on the surface of the second cutting box 5, the particulate matter of diameter≤10 micron passes through the second cutting box 5
Middle four scallop holes enter instrument internal, are detected.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes for carrying out unsubstantiality to the present invention using this design, all should fall into protection scope of the present invention.
Claims (9)
1. Multistage particulate matter cutter, it is characterised in that：Including airscoop shroud (1), air admission hole (11) is provided with the top of airscoop shroud (1),
The filter screen (2) for sealing against each other connection, nozzle (3), the first cutting box (4), second are sequentially provided with from top to bottom in airscoop shroud (1)
Cutting box (5) and sealing ring (6), the second cutting box (5) are connected with airscoop shroud (1) inner wall sealing, and filter screen (2) is if be provided with
Dry the first filter bores (8), have between nozzle (3) and filter screen (2) and form an impulse chamber (12), and nozzle (3) is interior to be located at
Impulse chamber (12) bottom is provided with the second filter bores (9), and the first cutting box (4) upper surface is provided with right up and down with the second filter bores (9)
Opposite side on the first adsorption layer (10) answered, the first cutting box (4) positioned at the first adsorption layer (10) is provided with by-pass filtration hole
(13), the second cutting box (5) upper surface is provided with and corresponding second adsorption layer (14) above and below by-pass filtration hole (13), the second cutting
Opposite side on box (5) positioned at the second adsorption layer (14) is provided with secondary filtration hole (15).
2. Multistage particulate matter cutter according to claim 1, it is characterised in that：The by-pass filtration hole (13) is located at
In the middle part of one cutting box (4), the first adsorption layer (10) is located at the edge of by-pass filtration hole (13), and the second adsorption layer (14) is located at second
In the middle part of cutting box (5), secondary filtration hole (15) are located at the second adsorption layer (14) edge, and the second filter bores (9) are located at nozzle (3) bottom
Portion edge, the first adsorption layer (10) and the second adsorption layer (14) are made up and density respectively 5.4Kg/m of powder metallurgy3With
4.8Kg/m3, scribble in the first adsorption layer (10), the second adsorption layer (14) and filter screen (2) for adsorption particle thing can
Viscous oil.
3. Multistage particulate matter cutter according to claim 2, it is characterised in that：It is described can viscous oil just use silicone oil,
One adsorption layer (10) and the second adsorption layer (14) are made by powder of stainless steel.
4. Multistage particulate matter cutter according to claim 1, it is characterised in that：Second filter bores (9) are provided with four
Individual and uniform ring is located at nozzle (3) bottom, and first adsorption layer (10) is located at the first cutting box (4) edge and sets cyclization
Shape structure.
5. Multistage particulate matter cutter according to claim 1, it is characterised in that：The nozzle (3) is tied using cylinder
Structure and it is internal be provided with a groove, the second filter bores (9) are located at bottom portion of groove.
6. Multistage particulate matter cutter according to claim 1, it is characterised in that：Second cutting box (5) and air inlet
Cover (1) inwall is tightly connected by sealing ring (6), and the second cutting box (5) bottom is provided with the step (7) coordinated with sealing ring (6).
7. Multistage particulate matter cutter according to claim 1, it is characterised in that：The filter screen (2) uses stainless steel
Screen, is uniformly provided with multiple polygonal first filter bores (8) in filter screen (2), and nozzle (3) bottom is provided with four polygonal the
Two filter bores (9).
8. Multistage particulate matter cutter according to claim 1, it is characterised in that：The by-pass filtration hole (13) is six sides
Shape hole, secondary filtration hole (15) are located at around the second adsorption layer (14) using four scallop holes and uniform ring.
9. Multistage particulate matter cutter according to claim 1, it is characterised in that：The air admission hole (11) is provided with four simultaneously
Uniform ring is located at the top edge of airscoop shroud (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194696.1A CN107036859A (en) | 2016-12-22 | 2016-12-22 | Multistage particulate matter cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194696.1A CN107036859A (en) | 2016-12-22 | 2016-12-22 | Multistage particulate matter cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036859A true CN107036859A (en) | 2017-08-11 |
Family
ID=59530752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611194696.1A Pending CN107036859A (en) | 2016-12-22 | 2016-12-22 | Multistage particulate matter cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036859A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854919A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of green starch packs the special waste gas reclamation treatment system of film preparation |
| CN107899322A (en) * | 2017-11-23 | 2018-04-13 | 丹阳市华诚包装有限公司 | A kind of special exhaust gas filtering frock of green starch packaging film preparation |
| CN109916678A (en) * | 2019-03-11 | 2019-06-21 | 成都智胜欣业环保科技有限公司 | A kind of sampling cutter |
| CN114766691A (en) * | 2022-03-27 | 2022-07-22 | 东台市汉源食品机械制造有限公司 | Impact separation type extrusion device for food processing |
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| CN2352949Y (en) * | 1998-11-16 | 1999-12-08 | 李玉国 | Large flow rate atmosphere sampler |
| CN201611314U (en) * | 2009-10-21 | 2010-10-20 | 武汉市天虹仪表有限责任公司 | Single-channel multi-functional medium-flow atmospheric particulate grading sampling cutter |
| US20110167932A1 (en) * | 2008-09-17 | 2011-07-14 | Research Triangle Institute | Coarse particle exposure monitor |
| CN102680349A (en) * | 2012-03-30 | 2012-09-19 | 北京盈胜泰科技术有限公司 | PM2.5 monitoring equipment |
| CN102778369A (en) * | 2012-08-13 | 2012-11-14 | 宇星科技发展(深圳)有限公司 | Multistage atmospheric particulates cutterbar |
| CN206311397U (en) * | 2016-12-22 | 2017-07-07 | 杭州克霾环保科技有限公司 | Multistage particulate matter cutter |
-
2016
- 2016-12-22 CN CN201611194696.1A patent/CN107036859A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2352949Y (en) * | 1998-11-16 | 1999-12-08 | 李玉国 | Large flow rate atmosphere sampler |
| US20110167932A1 (en) * | 2008-09-17 | 2011-07-14 | Research Triangle Institute | Coarse particle exposure monitor |
| CN201611314U (en) * | 2009-10-21 | 2010-10-20 | 武汉市天虹仪表有限责任公司 | Single-channel multi-functional medium-flow atmospheric particulate grading sampling cutter |
| CN102680349A (en) * | 2012-03-30 | 2012-09-19 | 北京盈胜泰科技术有限公司 | PM2.5 monitoring equipment |
| CN102778369A (en) * | 2012-08-13 | 2012-11-14 | 宇星科技发展(深圳)有限公司 | Multistage atmospheric particulates cutterbar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854919A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of green starch packs the special waste gas reclamation treatment system of film preparation |
| CN107899322A (en) * | 2017-11-23 | 2018-04-13 | 丹阳市华诚包装有限公司 | A kind of special exhaust gas filtering frock of green starch packaging film preparation |
| CN109916678A (en) * | 2019-03-11 | 2019-06-21 | 成都智胜欣业环保科技有限公司 | A kind of sampling cutter |
| CN114766691A (en) * | 2022-03-27 | 2022-07-22 | 东台市汉源食品机械制造有限公司 | Impact separation type extrusion device for food processing |
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