CN209086014U - A kind of anti-dust atmosphere sampler - Google Patents
A kind of anti-dust atmosphere sampler Download PDFInfo
- Publication number
- CN209086014U CN209086014U CN201821540580.3U CN201821540580U CN209086014U CN 209086014 U CN209086014 U CN 209086014U CN 201821540580 U CN201821540580 U CN 201821540580U CN 209086014 U CN209086014 U CN 209086014U
- Authority
- CN
- China
- Prior art keywords
- bend pipe
- sampling
- general pipeline
- depositing dust
- header
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a kind of anti-dust atmosphere samplers, it includes sampling general pipeline and aspiration pump, sampling general pipeline is vertically arranged, aspiration pump is connected to sampling general pipeline, the upper end sampling general pipeline is connected with depositing dust bend pipe, the depositing dust bend pipe curves shear wave shape, and the shear wave that depositing dust bend pipe curves includes at least a trough, receiving flask is connected on the depositing dust bend pipe, the bottleneck of receiving flask is connected to upward at the shear wave trough of depositing dust bend pipe formation, receiving flask is connected to dedusting bend pipe, and depositing dust bend pipe one end is connected to the end of sampling general pipeline.There is the utility model reduction particulate matter to enter the amount of sampling general pipeline, thus the advantages of reducing the cleaning frequency.
Description
Technical field
The utility model relates to atmospheric monitoring equipment technical fields, fill more particularly, to a kind of anti-dust atmospheric sampling
It sets.
Background technique
Atmosphere environment supervision includes normally gaseous pollutant load monitoring in air, generallys use real time monitoring to normal
The forecast of gaseous pollutant content progress accurately and timely is advised, it is convenient that early warning is carried out to emergency event, while can also be to improve sky
Makings amount provides data and supports.It include sampling apparatus in the monitoring device used during normally gaseous pollutant monitoring
And detecting instrument, detecting instrument are connected on sampling apparatus, sampling apparatus is for taking atmospheric samples, and detecting instrument is to sampling cartridge
Gas in setting carries out gaseous pollutant assay.
Sampling apparatus in the prior art includes sampling general pipeline, and sampling general pipeline is vertically-mounted, samples the upper end setting of general pipeline
There is sampling head, sampling head is taper hat type, and the conical lower portion of sampling head is provided with filter screen, and sampling skull is upper sampling general pipeline's
End, filter screen are metal mesh, and filter screen is used in the end of sampling pipe, and sampling head and filter screen can stop rainwater or biggish
Particulate matter enters in sampling general pipeline, and sampling general pipeline is connected with aspiration pump, and the draft that aspiration pump generates is formed in sampling general pipeline
Vacuum, so that atmosphere be made to be entered in sampling general pipeline from sampling head.
But such sampling apparatus, under wind sand environment, the granule content in air is high, process of the aspiration pump in pumping
In, be easy to enter in sampling general pipeline by filter screen close to the molecule of filter screen, enter in sampling general pipeline just all
It is hoarded in pipeline, is easy to influence detection data, so that staff be needed continually to clear up sampling apparatus.
Utility model content
The purpose of the utility model is to provide a kind of anti-dust atmosphere samplers, and there is reduction particulate matter to enter
The amount of general pipeline is sampled, thus the advantages of reducing the cleaning frequency.
The foregoing invention purpose of the utility model has the technical scheme that
A kind of anti-dust atmosphere sampler, including sampling general pipeline and aspiration pump, sampling general pipeline are vertically arranged, aspiration pump
It is connected to sampling general pipeline, the upper end sampling general pipeline is connected with depositing dust bend pipe, and the depositing dust bend pipe curves shear wave shape, and depositing dust
The shear wave that bend pipe curves includes at least a trough, is connected with receiving flask on the depositing dust bend pipe, the bottleneck of receiving flask connects upward
It connects at the shear wave trough that depositing dust bend pipe is formed, receiving flask is connected to dedusting bend pipe, and depositing dust bend pipe one end is connected to sampling
The end of general pipeline.
By using above-mentioned technical proposal, in use, sampling general pipeline passes vertically through floor and is fixed on floor, aspiration pump connects
Pass through sampling general pipeline, the draft that aspiration pump generates, which makes to sample, forms negative pressure in general pipeline, sampling the upper end of general pipeline, to be connected with depositing dust curved
Pipe, depositing dust bend pipe becomes shear wave shape, and the shear wave that depositing dust bend pipe curves includes at least a trough, curves in depositing dust bend pipe
Receiving flask is connected at the trough of shear wave, upward, receiving flask is connected to the bottleneck of receiving flask with depositing dust bend pipe, and the sampling for forming negative pressure is total
Pipe makes air along depositing dust moving in bent pipe, when air-flow enters depositing dust bend pipe from one end of depositing dust bend pipe, and it is curved in wavy depositing dust
In pipe when movement, the inner wall of particulate matter and depositing dust bend pipe collides and is adhered on the inner wall of depositing dust bend pipe, and particulate matter increases
Afterwards, particulate matter can be slipped in receiving flask along the inner wall of depositing dust bend pipe under gravity, to reduce total into sampling
Particulate matter in pipe, and then reduce the frequency of cleaning.
The utility model is further arranged to: the sampling pipe and depositing dust bend pipe include inner and outer tubes, and inner tube is poly-
Inner tube made of tetrafluoroethene material, outer tube are outer tube made of stainless steel material, and outer tube is set in inner tube.
By using above-mentioned technical proposal, sampling pipe and depositing dust bend pipe include inner and outer tubes, and inner tube is polytetrafluoroethyl-ne
Alkene material is made, and outer tube is made of stainless steel material, and on inner pipe, inner tube contacts outer tube sleeve with particulate matter, and outer tube connects with sunlight
On the one hand touching reduces absorption of the sampling pipe to gas pollutant, on the other hand guarantees the intensity and durability of inner tube.
The utility model is further arranged to: the lower end sampling general pipeline is provided with sampling header, and sampling header is set vertically
It sets, the upper end for sampling header is fixed on the lower end of sampling general pipeline, and the lower end for sampling header is fixed with deposition bottle, and samples general pipeline
Including inner tube extend downward into deposition bottle in;The aspiration pump is connected to the top of sampling header, and samples header and sink
The internal diameter of product bottle is all larger than the inner tube outside diameter that sampling general pipeline includes;Multiple sampling pipes are provided on the outer wall of the sampling header
Mouthful.
By using above-mentioned technical proposal, the lower end that header is mounted on sampling general pipeline is sampled, and samples what general pipeline included
Inner tube extends downwardly into the deposition bottle for being located at sampling header lower end, and aspiration pump is connected to the top of sampling header, and samples and converge
The internal diameter of pipe and deposition bottle is all larger than the inner tube outside diameter that sampling general pipeline includes, and the air-flow that aspiration pump is formed is reached along inner tube and deposited
Bottle after, from sampling header and inner tube between gap flow in aspiration pump, thus enable deposit bottle in air moisture and
Particulate matter is collected again, reduces the particle content for entering sampling header, reduces influence of the particulate matter to detection data.
The utility model is further arranged to: the sampling header is that header is sampled made of polytetrafluoroethylene material.
By using above-mentioned technical proposal, sampling header is during ingress of air, and polytetrafluoroethylene material will not
The gas pollutant in air is adsorbed, to guarantee the accuracy of detection data.
The utility model is further arranged to: the deposition bottle and receiving flask are Clear glass bottles and jars, and receiving flask screw thread connects
It connects on depositing dust bend pipe, deposition bottle is threaded on sampling header.
By using above-mentioned technical proposal, deposits bottle and receiving flask is transparent vial, staff can penetrate
Deposition bottle and receiving flask check internal gathering particle object amount, if collect particulate matter it is more, staff can be by from drop
Receiving flask or deposition bottle are removed on dirt bend pipe or sampling header, it is convenient that the particulate matter of its inside is cleared up.
The utility model is further arranged to: the depositing dust bend pipe is equipped with sampling head far from one end of sampling general pipeline, adopts
The setting of sample head erect, the upper end of sampling head are fixed on end of the depositing dust bend pipe far from sampling general pipeline, and the other end is provided with filter screen.
By using above-mentioned technical proposal, sampling head is mounted on the end of depositing dust bend pipe, and sampling head is vertically arranged, and adopts
Sample head lower end is provided with filter screen, and filter screen can tentatively be filtered the bulky grain for entering depositing dust bend pipe, on the other hand
Sampling is arranged upside down, prevents rainwater from dropping into depositing dust bend pipe, guarantees effective work of depositing dust bend pipe.
The utility model is further arranged to: being used and is threadedly coupled between the sampling head and depositing dust bend pipe.
By using above-mentioned technical proposal, sampling head, using being threadedly coupled, facilitates sampling head curved from depositing dust with depositing dust bend pipe
Sampling head is removed on pipe, facilitates the cleaning of sampling head.
The utility model is further arranged to: the depositing dust bend pipe includes the first bend pipe, the second bend pipe and third bend pipe, the
One bend pipe, the second bend pipe and third bend pipe successively join end to end, and the first bend pipe, the second bend pipe and third bend pipe curve semi arch
Shape, third bend pipe are connected to the upper end of sampling general pipeline far from one end of the second bend pipe.
By using above-mentioned technical proposal, depositing dust bend pipe is connected together using the first bend pipe, the second bend pipe, third bend pipe
Composition, so that depositing dust bend pipe be made to become modularization sub-structure, assembly and disassembly are simple and convenient, to realize the clear of single module
It washes, reduces the disassembly of sampling general pipeline, save maintenance workload.
The utility model is further arranged to: the connection between first bend pipe and the second bend pipe is connected using fast-assembling flange
It connects, the connection between the second bend pipe and third bend pipe is connected using fast-assembling flange, the connection between third bend pipe and sampling general pipeline
It is connected using fast-assembling flange.
By using above-mentioned technical proposal, the connection between each section of depositing dust bend pipe is all made of fast-assembling flange connection, fastly
Dress flange can make to realize quickly assembling between adjacent two parts and decompose.
The utility model is further arranged to: the fast-assembling flange connection includes being arranged in two tube ends interconnected
Flange, and the snap ring for being stuck on two flange opposing surfaces, snap ring there are two and be semicircle, two snap rings pair
Title is arranged in the circumferential direction of flange, and two snap ring one end are hinged, and the other end is equipped with otic placode, the otic placode on two snap rings
It is fixedly connected by a bolt.
By using above-mentioned technical proposal, two snap rings are oppositely arranged in the circumferential direction of flange, and snap ring is stuck in two
The opposite surface of adjacent flange is bolted on together between two snap rings, so that snap ring be made to stick two flanges, group
A bolt on otic placode is directly operated when assembly and disassembly, is operated fast.
In conclusion the advantageous effects of the utility model are as follows:
1. by sampling general pipeline upper end be arranged depositing dust bend pipe, depositing dust bend pipe to enter sampling general pipeline air-flow in
Particulate matter enters absorption, to be collected by receiving flask, to reduce into the particle content in sampling general pipeline;
2. the inner tube that sampling general pipeline includes, which reaches, is connected to sampling remittance by the sampling header that the sampling lower end general pipeline is arranged in
The deposition bottle of pipe lower end under the gravity of particulate matter, is collected into deposition bottle, makes to sample particle content in header into one
Step reduces;
3. being divided into multiple bend pipes by depositing dust general pipeline, and connected between each bend pipe using fast-assembling flange, keeps depositing dust total
Tube capacity is quick detachable and assembles, and facilitates the cleaning and maintenance of depositing dust general pipeline.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the half section structure diagram of the utility model;
Fig. 3 is the attachment structure schematic diagram of the second bend pipe and third bend pipe;
Fig. 4 is the partial enlargement diagram of part A in Fig. 2.
In figure, 1, sampling general pipeline;11, inner tube;12, outer tube;2, mounting flange;21, floor;3, bottle is deposited;4, depositing dust is curved
Pipe;41, the first bend pipe;42, the second bend pipe;43, third bend pipe;5, header is sampled;51, nozzle is sampled;6, aspiration pump;7, it collects
Bottle;8, sampling head;81, filter screen;91, flange;92, snap ring;93, otic placode;94, bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is the anti-dust atmosphere sampler of one kind disclosed by the utility model, including sampling general pipeline 1, sampling with reference to Fig. 1
The middle part of general pipeline 1 is provided with mounting flange 2, and sampling general pipeline 1 passes vertically through floor 21, and, sampling fixed by mounting flange 2
The upper end of general pipeline 1 is communicated with depositing dust bend pipe 4, and lower end is connected with sampling header 5, and sampling header 5 is connected to sampling general pipeline 1, and
Aspiration pump 6 is connected on sampling header 5, aspiration pump 6 is communicated to sampling general pipeline 1 by sampling header 5, what aspiration pump 6 generated
Air-flow successively passes through depositing dust bend pipe 4, sampling general pipeline 1 and sampling header 5, and is provided with sampling on the side wall of sampling header 5
Nozzle 51, sampling nozzle 51 are used for connecting detection instrument, and detector is used to detect the gas sample in sampling header 5.
With reference to Fig. 2, depositing dust bend pipe 4 includes the first bend pipe 41, the second bend pipe 42 and third bend pipe 43, the first bend pipe 41, the
Two bend pipes 42 and third bend pipe 43 curve semicircle arcuation, and the first bend pipe 41, the second bend pipe 42 and third bend pipe 43 are successively
It joins end to end to form band there are two the depositing dust bend pipe 4 of the shear wave shape of wave crest and a trough, the first bend pipe 41 is total far from sampling
One end of pipe 1 is connected with sampling head 8, and sampling head 8 is vertically arranged, and it is separate that the threaded upper ends of sampling head 8 are connected to the first bend pipe 41
One end of second bend pipe 42, the lower end of sampling head 8 are provided with filter screen 81, and filter screen 81 can be to entering in depositing dust bend pipe 4
Gas once filtered, for stopping biggish particle to enter depositing dust bend pipe 4;Third bend pipe 43 is far from the second bend pipe 42
One end is connected to the upper end of sampling general pipeline 1.
With reference to Fig. 3 and Fig. 4, one end, the both ends of second bend pipe 42, third bend pipe 43 of first bend pipe 41 far from sampling head 8
Both ends and sampling general pipeline 1 close to one end of third bend pipe 43 be provided with flange 91, the first bend pipe 41, the second bend pipe 42, the
When three bend pipes 43 and the sampling connection of general pipeline 1, there are two snap ring 92, two snap rings 92 are half for setting at two opposite flanges 91
Circle, two 92 one end of snap ring are hinged, and the other end is provided with otic placode 93, and two snap rings 92 are symmetricly set on flange 91
On circumferencial direction, and snap ring 92 is stuck in simultaneously on two opposite surfaces of two flanges 91, the otic placode 93 on two snap rings 92
Between be provided with bolt 94, bolt 94 is for fixing two otic placodes 93, two of two adjacent flanges 91 and flange connector 91
Snap ring 92 forms fast-assembling flange.
With reference to Fig. 2, the middle part of the second bend pipe 42 is threaded with receiving flask 7, and receiving flask 7 is made of borosilicate material
Clear glass bottles and jars, upward, and the connection of receiving flask 7 and curved two bend pipe, the second bend pipe 42 are connected to first to the bottleneck of receiving flask 7
When on bend pipe 41 and third bend pipe 43, receiving flask 7 is located exactly at the trough of the formation of depositing dust bend pipe 4, and air-flow is curved by second
When pipe 42, the inner wall of particulate matter and depositing dust bend pipe 4 collides and is sticked on the inner wall of depositing dust bend pipe 4, particulate matter a part by
Effect to gravity is slipped in receiving flask 7, and is collected in receiving flask 7, and staff can check particle through receiving flask 7
The amount of object is cleared up so that staff can back out receiving flask 7 from the second bend pipe 42.
With reference to Fig. 2, sampling general pipeline 1 includes inner tube 11 and outer tube 12, samples header 5 and inner tube 11 is polytetrafluoroethylene (PTFE) material
Material is made, and outer tube 12 is made of stainless steel material, and sampling header 5 is vertically arranged, and the lower thread of sampling header 5 is connected with deposition
Bottle 3 deposits the bottleneck of bottle 3 upward and is connected to sampling header 5, and the lower end of sampling header 5 is connected under sampling general pipeline 1
End samples inner tube 11 included by general pipeline 1 and reaches in sampling header 5 and extend downwardly into deposition bottle 3, and samples header 5
Internal diameter and the bottleneck diameter of deposition bottle 3 be all larger than the outer diameter of inner tube 11, make to form gap between inner tube 11 and sampling header 5,
Also there are gap between inner tube 11 and bottleneck, aspiration pump 6 is connected to the top of sampling header 5, so that air-flow is along 11 lower end of inner tube
It enters in sampling header 5 after outflow by gap, is further collected using the particulate matter in deposition 3 pairs of air-flows of bottle, and
And deposition bottle 3 is Clear glass bottles and jars made of borosilicate material.
With reference to Fig. 4, the first bend pipe 41, the second bend pipe 42 and third bend pipe 43, which are all made of, curves semicircular outer tube 12 and interior
Pipe 11 is set-located to be formed, and air-flow is by the first bend pipe 41, the second bend pipe 42, third bend pipe 43, sampling general pipeline 1 and sampling
Material in contact with 5 whole process of header is polytetrafluoroethylene material, reduce to sulfur dioxide in gas, nitrogen oxides or
The absorption of the gas pollutants such as person's ozone guarantees the Accurate Determining to gas pollutant content in atmosphere.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of anti-dust atmosphere sampler, including sampling general pipeline (1) and aspiration pump (6), sampling general pipeline (1) are set vertically
It sets, aspiration pump (6) is connected to sampling general pipeline (1), it is characterised in that: sampling general pipeline (1) upper end is connected with depositing dust bend pipe
(4), the depositing dust bend pipe (4) curves shear wave shape, and the shear wave that depositing dust bend pipe (4) curves includes at least a trough, described
It is connected on depositing dust bend pipe (4) receiving flask (7), the bottleneck of receiving flask (7) is connected to the shear wave of depositing dust bend pipe (4) formation upward
At paddy, receiving flask (7) is connected to dedusting bend pipe, and described depositing dust bend pipe (4) one end is connected to the end of sampling general pipeline (1).
2. the anti-dust atmosphere sampler of one kind according to claim 1, it is characterised in that: the sampling general pipeline (1)
It include inner tube (11) and outer tube (12) with depositing dust bend pipe (4), inner tube (11) is inner tube (11) made of polytetrafluoroethylene material,
Outer tube (12) is outer tube (12) made of stainless steel material, and outer tube (12) is set on inner tube (11).
3. the anti-dust atmosphere sampler of one kind according to claim 2, it is characterised in that: the sampling general pipeline (1)
Lower end is provided with sampling header (5), and sampling header (5) is vertically arranged, and the upper end of sampling header (5) is fixed on sampling general pipeline (1)
Lower end, the lower end of sampling header (5) is fixed with deposition bottle (3), and samples the inner tube (11) that general pipeline (1) includes and extend downwardly
To deposition bottle (3);The aspiration pump (6) is connected to the top of sampling header (5), and samples header (5) and deposition bottle (3)
Internal diameter be all larger than sampling general pipeline (1) inner tube (11) outer diameter for including;Multiple adopt is provided on the outer wall of sampling header (5)
Sample nozzle (51).
4. the anti-dust atmosphere sampler of one kind according to claim 3, it is characterised in that: the sampling header (5)
To sample header (5) made of polytetrafluoroethylene material.
5. the anti-dust atmosphere sampler of one kind according to claim 3 or 4, it is characterised in that: the deposition bottle (3)
It is Clear glass bottles and jars with receiving flask (7), receiving flask (7) is threaded on depositing dust bend pipe (4), and deposition bottle (3) is threadedly coupled
In sampling header (5).
6. the anti-dust atmosphere sampler of one kind according to claim 1, it is characterised in that: the depositing dust bend pipe (4)
One end far from sampling general pipeline (1) is equipped with sampling head (8), and sampling head (8) is vertically arranged, and the upper end of sampling head (8) is fixed on
End of the depositing dust bend pipe (4) far from sampling general pipeline (1), the other end are provided with filter screen (81).
7. the anti-dust atmosphere sampler of one kind according to claim 6, it is characterised in that: the sampling head (8) with
Using threaded connection between depositing dust bend pipe (4).
8. the anti-dust atmosphere sampler of one kind according to claim 1, it is characterised in that: the depositing dust bend pipe (4)
Including the first bend pipe (41), the second bend pipe (42) and third bend pipe (43), the first bend pipe (41), the second bend pipe (42) and third are curved
Pipe (43) successively joins end to end, and the first bend pipe (41), the second bend pipe (42) and third bend pipe (43) curve semicircular arc, third
Bend pipe (43) is connected to the upper end of sampling general pipeline (1) far from the one end of the second bend pipe (42).
9. the anti-dust atmosphere sampler of one kind according to claim 8, it is characterised in that: first bend pipe (41)
And the second connection between bend pipe (42) is connected using fast-assembling flange, the connection between the second bend pipe (42) and third bend pipe (43)
It is connected using fast-assembling flange, the connection between third bend pipe (43) and sampling general pipeline (1) is connect using fast-assembling flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821540580.3U CN209086014U (en) | 2018-09-19 | 2018-09-19 | A kind of anti-dust atmosphere sampler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821540580.3U CN209086014U (en) | 2018-09-19 | 2018-09-19 | A kind of anti-dust atmosphere sampler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209086014U true CN209086014U (en) | 2019-07-09 |
Family
ID=67116977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821540580.3U Expired - Fee Related CN209086014U (en) | 2018-09-19 | 2018-09-19 | A kind of anti-dust atmosphere sampler |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209086014U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111521456A (en) * | 2020-06-17 | 2020-08-11 | 河北正态环境检测有限公司 | Sampling method and device suitable for low-concentration particulate matters |
-
2018
- 2018-09-19 CN CN201821540580.3U patent/CN209086014U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111521456A (en) * | 2020-06-17 | 2020-08-11 | 河北正态环境检测有限公司 | Sampling method and device suitable for low-concentration particulate matters |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102608009A (en) | Automatic particle monitor | |
CN104913953B (en) | A kind of particle sampling head of low concentration particulate matter sampling detector for multifunctional and the device | |
CN106422619A (en) | Building construction site dust removal device convenient to move | |
CN102369426A (en) | Device and method for continuously measuring horizontal flux of falling particulate matter in atmosphere | |
CN207248581U (en) | A kind of sampling system for being used to measure escape ammonia density total in flue gas | |
CN209086014U (en) | A kind of anti-dust atmosphere sampler | |
CN102818905A (en) | Automatic two-channel atmospheric particulate monitoring device | |
CN202869934U (en) | Novel real-time monitoring device for mass concentration of PM2.5 | |
CN106323697B (en) | The method of sampling of atmosphere reactive gaseous mercury is carried out using passive sampling apparatus | |
CN200951363Y (en) | Bag type dust collection device having means for detecting leakage | |
CN209432538U (en) | A kind of no matrix interference type sampler | |
CN107560903B (en) | Pavement dust sampling cover | |
CN105738168B (en) | The method of sampling and sampling apparatus of particulate matter and gaseous pollutants sample in a kind of tunnel | |
CN207263718U (en) | A kind of printing and dyeing industry exhaust gas intelligent measurement processing unit | |
CN207301023U (en) | A kind of ground vapor interface mercury flux on-line measurement system | |
CN206081982U (en) | A section of thick bamboo is strained in particulate matter monitoring | |
CN211425989U (en) | Atmosphere sampling instrument for classified sampling | |
CN206459927U (en) | A kind of monitoring smoke dust equipment | |
CN202794199U (en) | Dual-channel automatic monitoring device for atmospheric particulates | |
CN2278933Y (en) | Cyclone sampler capable of sucking particle material | |
CN2630826Y (en) | Flue-gas diluted mixing multi-channel stepped sampler | |
CN208270277U (en) | A kind of air granule sampler | |
CN207366283U (en) | A kind of dust from construction sites collection and detection device | |
CN212586073U (en) | Automatic monitoring data acquisition instrument for pollution sources | |
CN206440507U (en) | A kind of air reactive gaseous mercury sampling apparatus using natural wind as power |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200919 |
|
CF01 | Termination of patent right due to non-payment of annual fee |